Wim
5 years ago
committed by
GitHub
parent
cdf33e5748
commit
115d20373c
@ -0,0 +1,97 @@
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package compiler
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import (
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"encoding/gob"
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"fmt"
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"io"
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"github.com/d5/tengo/objects"
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)
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// Decode reads Bytecode data from the reader.
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func (b *Bytecode) Decode(r io.Reader, modules *objects.ModuleMap) error {
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if modules == nil {
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modules = objects.NewModuleMap()
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}
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dec := gob.NewDecoder(r)
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if err := dec.Decode(&b.FileSet); err != nil {
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return err
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}
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// TODO: files in b.FileSet.File does not have their 'set' field properly set to b.FileSet
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// as it's private field and not serialized by gob encoder/decoder.
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if err := dec.Decode(&b.MainFunction); err != nil {
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return err
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}
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if err := dec.Decode(&b.Constants); err != nil {
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return err
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}
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for i, v := range b.Constants {
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fv, err := fixDecoded(v, modules)
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if err != nil {
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return err
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}
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b.Constants[i] = fv
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}
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return nil
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}
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func fixDecoded(o objects.Object, modules *objects.ModuleMap) (objects.Object, error) {
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switch o := o.(type) {
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case *objects.Bool:
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if o.IsFalsy() {
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return objects.FalseValue, nil
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}
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return objects.TrueValue, nil
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case *objects.Undefined:
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return objects.UndefinedValue, nil
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case *objects.Array:
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for i, v := range o.Value {
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fv, err := fixDecoded(v, modules)
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if err != nil {
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return nil, err
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}
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o.Value[i] = fv
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}
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case *objects.ImmutableArray:
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for i, v := range o.Value {
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fv, err := fixDecoded(v, modules)
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if err != nil {
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return nil, err
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}
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o.Value[i] = fv
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}
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case *objects.Map:
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for k, v := range o.Value {
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fv, err := fixDecoded(v, modules)
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if err != nil {
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return nil, err
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}
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o.Value[k] = fv
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}
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case *objects.ImmutableMap:
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modName := moduleName(o)
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if mod := modules.GetBuiltinModule(modName); mod != nil {
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return mod.AsImmutableMap(modName), nil
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}
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for k, v := range o.Value {
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// encoding of user function not supported
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if _, isUserFunction := v.(*objects.UserFunction); isUserFunction {
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return nil, fmt.Errorf("user function not decodable")
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}
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fv, err := fixDecoded(v, modules)
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if err != nil {
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return nil, err
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}
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o.Value[k] = fv
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}
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}
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return o, nil
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}
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@ -0,0 +1,129 @@
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package compiler
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import (
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"fmt"
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"github.com/d5/tengo/objects"
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)
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// RemoveDuplicates finds and remove the duplicate values in Constants.
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// Note this function mutates Bytecode.
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func (b *Bytecode) RemoveDuplicates() {
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var deduped []objects.Object
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indexMap := make(map[int]int) // mapping from old constant index to new index
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ints := make(map[int64]int)
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strings := make(map[string]int)
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floats := make(map[float64]int)
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chars := make(map[rune]int)
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immutableMaps := make(map[string]int) // for modules
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for curIdx, c := range b.Constants {
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switch c := c.(type) {
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case *objects.CompiledFunction:
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// add to deduped list
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indexMap[curIdx] = len(deduped)
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deduped = append(deduped, c)
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case *objects.ImmutableMap:
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modName := moduleName(c)
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newIdx, ok := immutableMaps[modName]
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if modName != "" && ok {
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indexMap[curIdx] = newIdx
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} else {
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newIdx = len(deduped)
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immutableMaps[modName] = newIdx
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indexMap[curIdx] = newIdx
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deduped = append(deduped, c)
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}
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case *objects.Int:
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if newIdx, ok := ints[c.Value]; ok {
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indexMap[curIdx] = newIdx
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} else {
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newIdx = len(deduped)
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ints[c.Value] = newIdx
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indexMap[curIdx] = newIdx
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deduped = append(deduped, c)
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}
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case *objects.String:
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if newIdx, ok := strings[c.Value]; ok {
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indexMap[curIdx] = newIdx
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} else {
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newIdx = len(deduped)
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strings[c.Value] = newIdx
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indexMap[curIdx] = newIdx
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deduped = append(deduped, c)
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}
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case *objects.Float:
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if newIdx, ok := floats[c.Value]; ok {
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indexMap[curIdx] = newIdx
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} else {
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newIdx = len(deduped)
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floats[c.Value] = newIdx
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indexMap[curIdx] = newIdx
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deduped = append(deduped, c)
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}
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case *objects.Char:
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if newIdx, ok := chars[c.Value]; ok {
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indexMap[curIdx] = newIdx
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} else {
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newIdx = len(deduped)
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chars[c.Value] = newIdx
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indexMap[curIdx] = newIdx
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deduped = append(deduped, c)
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}
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default:
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panic(fmt.Errorf("unsupported top-level constant type: %s", c.TypeName()))
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}
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}
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// replace with de-duplicated constants
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b.Constants = deduped
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// update CONST instructions with new indexes
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// main function
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updateConstIndexes(b.MainFunction.Instructions, indexMap)
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// other compiled functions in constants
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for _, c := range b.Constants {
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switch c := c.(type) {
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case *objects.CompiledFunction:
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updateConstIndexes(c.Instructions, indexMap)
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}
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}
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}
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func updateConstIndexes(insts []byte, indexMap map[int]int) {
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i := 0
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for i < len(insts) {
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op := insts[i]
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numOperands := OpcodeOperands[op]
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_, read := ReadOperands(numOperands, insts[i+1:])
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switch op {
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case OpConstant:
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curIdx := int(insts[i+2]) | int(insts[i+1])<<8
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newIdx, ok := indexMap[curIdx]
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if !ok {
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panic(fmt.Errorf("constant index not found: %d", curIdx))
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}
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copy(insts[i:], MakeInstruction(op, newIdx))
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case OpClosure:
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curIdx := int(insts[i+2]) | int(insts[i+1])<<8
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numFree := int(insts[i+3])
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newIdx, ok := indexMap[curIdx]
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if !ok {
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panic(fmt.Errorf("constant index not found: %d", curIdx))
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}
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copy(insts[i:], MakeInstruction(op, newIdx, numFree))
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}
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i += 1 + read
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}
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}
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func moduleName(mod *objects.ImmutableMap) string {
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if modName, ok := mod.Value["__module_name__"].(*objects.String); ok {
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return modName.Value
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}
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return ""
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}
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@ -1,37 +0,0 @@
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package objects
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import "github.com/d5/tengo/compiler/token"
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// Break represents a break statement.
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type Break struct{}
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// TypeName returns the name of the type.
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func (o *Break) TypeName() string {
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return "break"
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}
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func (o *Break) String() string {
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return "<break>"
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}
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// BinaryOp returns another object that is the result of
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// a given binary operator and a right-hand side object.
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func (o *Break) BinaryOp(op token.Token, rhs Object) (Object, error) {
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return nil, ErrInvalidOperator
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}
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// Copy returns a copy of the type.
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func (o *Break) Copy() Object {
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return &Break{}
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}
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// IsFalsy returns true if the value of the type is falsy.
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func (o *Break) IsFalsy() bool {
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return false
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}
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// Equals returns true if the value of the type
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// is equal to the value of another object.
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func (o *Break) Equals(x Object) bool {
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return false
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}
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@ -1,60 +0,0 @@
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package objects
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import (
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"encoding/json"
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"github.com/d5/tengo"
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)
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// to_json(v object) => bytes
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func builtinToJSON(args ...Object) (Object, error) {
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if len(args) != 1 {
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return nil, ErrWrongNumArguments
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}
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res, err := json.Marshal(objectToInterface(args[0]))
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if err != nil {
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return &Error{Value: &String{Value: err.Error()}}, nil
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}
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if len(res) > tengo.MaxBytesLen {
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return nil, ErrBytesLimit
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}
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return &Bytes{Value: res}, nil
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}
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// from_json(data string/bytes) => object
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func builtinFromJSON(args ...Object) (Object, error) {
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if len(args) != 1 {
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return nil, ErrWrongNumArguments
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}
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var target interface{}
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switch o := args[0].(type) {
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case *Bytes:
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err := json.Unmarshal(o.Value, &target)
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if err != nil {
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return &Error{Value: &String{Value: err.Error()}}, nil
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}
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case *String:
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err := json.Unmarshal([]byte(o.Value), &target)
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if err != nil {
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return &Error{Value: &String{Value: err.Error()}}, nil
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}
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default:
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return nil, ErrInvalidArgumentType{
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Name: "first",
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Expected: "bytes/string",
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Found: args[0].TypeName(),
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}
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}
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res, err := FromInterface(target)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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@ -0,0 +1,23 @@
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package objects
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// BuiltinModule is an importable module that's written in Go.
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type BuiltinModule struct {
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Attrs map[string]Object
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}
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// Import returns an immutable map for the module.
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func (m *BuiltinModule) Import(moduleName string) (interface{}, error) {
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return m.AsImmutableMap(moduleName), nil
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}
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// AsImmutableMap converts builtin module into an immutable map.
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func (m *BuiltinModule) AsImmutableMap(moduleName string) *ImmutableMap {
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attrs := make(map[string]Object, len(m.Attrs))
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for k, v := range m.Attrs {
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attrs[k] = v.Copy()
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}
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attrs["__module_name__"] = &String{Value: moduleName}
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return &ImmutableMap{Value: attrs}
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}
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@ -1,83 +0,0 @@
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package objects
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import (
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"fmt"
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"github.com/d5/tengo"
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)
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// print(args...)
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func builtinPrint(args ...Object) (Object, error) {
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for _, arg := range args {
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if str, ok := arg.(*String); ok {
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fmt.Println(str.Value)
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} else {
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fmt.Println(arg.String())
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}
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}
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return nil, nil
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}
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// printf("format", args...)
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func builtinPrintf(args ...Object) (Object, error) {
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numArgs := len(args)
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if numArgs == 0 {
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return nil, ErrWrongNumArguments
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}
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format, ok := args[0].(*String)
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if !ok {
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return nil, ErrInvalidArgumentType{
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Name: "format",
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Expected: "string",
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Found: args[0].TypeName(),
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}
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}
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if numArgs == 1 {
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fmt.Print(format)
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return nil, nil
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}
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formatArgs := make([]interface{}, numArgs-1, numArgs-1)
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for idx, arg := range args[1:] {
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formatArgs[idx] = objectToInterface(arg)
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}
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fmt.Printf(format.Value, formatArgs...)
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return nil, nil
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}
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// sprintf("format", args...)
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func builtinSprintf(args ...Object) (Object, error) {
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numArgs := len(args)
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if numArgs == 0 {
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return nil, ErrWrongNumArguments
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}
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format, ok := args[0].(*String)
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if !ok {
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return nil, ErrInvalidArgumentType{
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Name: "format",
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Expected: "string",
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Found: args[0].TypeName(),
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}
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}
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if numArgs == 1 {
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return format, nil // okay to return 'format' directly as String is immutable
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}
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formatArgs := make([]interface{}, numArgs-1, numArgs-1)
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for idx, arg := range args[1:] {
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formatArgs[idx] = objectToInterface(arg)
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}
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s := fmt.Sprintf(format.Value, formatArgs...)
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if len(s) > tengo.MaxStringLen {
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return nil, ErrStringLimit
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}
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return &String{Value: s}, nil
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}
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@ -0,0 +1,57 @@
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package objects
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import "github.com/d5/tengo/compiler/token"
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// BytesIterator represents an iterator for a string.
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type BytesIterator struct {
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v []byte
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i int
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l int
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}
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// TypeName returns the name of the type.
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func (i *BytesIterator) TypeName() string {
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return "bytes-iterator"
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}
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func (i *BytesIterator) String() string {
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return "<bytes-iterator>"
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}
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// BinaryOp returns another object that is the result of
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// a given binary operator and a right-hand side object.
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func (i *BytesIterator) BinaryOp(op token.Token, rhs Object) (Object, error) {
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return nil, ErrInvalidOperator
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}
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// IsFalsy returns true if the value of the type is falsy.
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func (i *BytesIterator) IsFalsy() bool {
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return true
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}
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// Equals returns true if the value of the type
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// is equal to the value of another object.
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func (i *BytesIterator) Equals(Object) bool {
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return false
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}
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// Copy returns a copy of the type.
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func (i *BytesIterator) Copy() Object {
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return &BytesIterator{v: i.v, i: i.i, l: i.l}
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}
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// Next returns true if there are more elements to iterate.
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func (i *BytesIterator) Next() bool {
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i.i++
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return i.i <= i.l
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}
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// Key returns the key or index value of the current element.
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func (i *BytesIterator) Key() Object {
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return &Int{Value: int64(i.i - 1)}
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}
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// Value returns the value of the current element.
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func (i *BytesIterator) Value() Object {
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return &Int{Value: int64(i.v[i.i-1])}
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}
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@ -1,38 +0,0 @@
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package objects
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import "github.com/d5/tengo/compiler/token"
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|
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// Continue represents a continue statement.
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type Continue struct {
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}
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|
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// TypeName returns the name of the type.
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func (o *Continue) TypeName() string {
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return "continue"
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}
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func (o *Continue) String() string {
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return "<continue>"
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}
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|
||||
// BinaryOp returns another object that is the result of
|
||||
// a given binary operator and a right-hand side object.
|
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func (o *Continue) BinaryOp(op token.Token, rhs Object) (Object, error) {
|
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return nil, ErrInvalidOperator
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}
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|
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// Copy returns a copy of the type.
|
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func (o *Continue) Copy() Object {
|
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return &Continue{}
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}
|
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|
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// IsFalsy returns true if the value of the type is falsy.
|
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func (o *Continue) IsFalsy() bool {
|
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return false
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}
|
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|
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// Equals returns true if the value of the type
|
||||
// is equal to the value of another object.
|
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func (o *Continue) Equals(x Object) bool {
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return false
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}
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@ -0,0 +1,31 @@
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package objects
|
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|
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// CountObjects returns the number of objects that a given object o contains.
|
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// For scalar value types, it will always be 1. For compound value types,
|
||||
// this will include its elements and all of their elements recursively.
|
||||
func CountObjects(o Object) (c int) {
|
||||
c = 1
|
||||
|
||||
switch o := o.(type) {
|
||||
case *Array:
|
||||
for _, v := range o.Value {
|
||||
c += CountObjects(v)
|
||||
}
|
||||
case *ImmutableArray:
|
||||
for _, v := range o.Value {
|
||||
c += CountObjects(v)
|
||||
}
|
||||
case *Map:
|
||||
for _, v := range o.Value {
|
||||
c += CountObjects(v)
|
||||
}
|
||||
case *ImmutableMap:
|
||||
for _, v := range o.Value {
|
||||
c += CountObjects(v)
|
||||
}
|
||||
case *Error:
|
||||
c += CountObjects(o.Value)
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
@ -0,0 +1,7 @@
|
||||
package objects
|
||||
|
||||
// Importable interface represents importable module instance.
|
||||
type Importable interface {
|
||||
// Import should return either an Object or module source code ([]byte).
|
||||
Import(moduleName string) (interface{}, error)
|
||||
}
|
||||
@ -0,0 +1,77 @@
|
||||
package objects
|
||||
|
||||
// ModuleMap represents a set of named modules.
|
||||
// Use NewModuleMap to create a new module map.
|
||||
type ModuleMap struct {
|
||||
m map[string]Importable
|
||||
}
|
||||
|
||||
// NewModuleMap creates a new module map.
|
||||
func NewModuleMap() *ModuleMap {
|
||||
return &ModuleMap{
|
||||
m: make(map[string]Importable),
|
||||
}
|
||||
}
|
||||
|
||||
// Add adds an import module.
|
||||
func (m *ModuleMap) Add(name string, module Importable) {
|
||||
m.m[name] = module
|
||||
}
|
||||
|
||||
// AddBuiltinModule adds a builtin module.
|
||||
func (m *ModuleMap) AddBuiltinModule(name string, attrs map[string]Object) {
|
||||
m.m[name] = &BuiltinModule{Attrs: attrs}
|
||||
}
|
||||
|
||||
// AddSourceModule adds a source module.
|
||||
func (m *ModuleMap) AddSourceModule(name string, src []byte) {
|
||||
m.m[name] = &SourceModule{Src: src}
|
||||
}
|
||||
|
||||
// Remove removes a named module.
|
||||
func (m *ModuleMap) Remove(name string) {
|
||||
delete(m.m, name)
|
||||
}
|
||||
|
||||
// Get returns an import module identified by name.
|
||||
// It returns if the name is not found.
|
||||
func (m *ModuleMap) Get(name string) Importable {
|
||||
return m.m[name]
|
||||
}
|
||||
|
||||
// GetBuiltinModule returns a builtin module identified by name.
|
||||
// It returns if the name is not found or the module is not a builtin module.
|
||||
func (m *ModuleMap) GetBuiltinModule(name string) *BuiltinModule {
|
||||
mod, _ := m.m[name].(*BuiltinModule)
|
||||
return mod
|
||||
}
|
||||
|
||||
// GetSourceModule returns a source module identified by name.
|
||||
// It returns if the name is not found or the module is not a source module.
|
||||
func (m *ModuleMap) GetSourceModule(name string) *SourceModule {
|
||||
mod, _ := m.m[name].(*SourceModule)
|
||||
return mod
|
||||
}
|
||||
|
||||
// Copy creates a copy of the module map.
|
||||
func (m *ModuleMap) Copy() *ModuleMap {
|
||||
c := &ModuleMap{
|
||||
m: make(map[string]Importable),
|
||||
}
|
||||
for name, mod := range m.m {
|
||||
c.m[name] = mod
|
||||
}
|
||||
return c
|
||||
}
|
||||
|
||||
// Len returns the number of named modules.
|
||||
func (m *ModuleMap) Len() int {
|
||||
return len(m.m)
|
||||
}
|
||||
|
||||
// AddMap adds named modules from another module map.
|
||||
func (m *ModuleMap) AddMap(o *ModuleMap) {
|
||||
for name, mod := range o.m {
|
||||
m.m[name] = mod
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,41 @@
|
||||
package objects
|
||||
|
||||
import (
|
||||
"github.com/d5/tengo/compiler/token"
|
||||
)
|
||||
|
||||
// ObjectPtr represents a free variable.
|
||||
type ObjectPtr struct {
|
||||
Value *Object
|
||||
}
|
||||
|
||||
func (o *ObjectPtr) String() string {
|
||||
return "free-var"
|
||||
}
|
||||
|
||||
// TypeName returns the name of the type.
|
||||
func (o *ObjectPtr) TypeName() string {
|
||||
return "<free-var>"
|
||||
}
|
||||
|
||||
// BinaryOp returns another object that is the result of
|
||||
// a given binary operator and a right-hand side object.
|
||||
func (o *ObjectPtr) BinaryOp(op token.Token, rhs Object) (Object, error) {
|
||||
return nil, ErrInvalidOperator
|
||||
}
|
||||
|
||||
// Copy returns a copy of the type.
|
||||
func (o *ObjectPtr) Copy() Object {
|
||||
return o
|
||||
}
|
||||
|
||||
// IsFalsy returns true if the value of the type is falsy.
|
||||
func (o *ObjectPtr) IsFalsy() bool {
|
||||
return o.Value == nil
|
||||
}
|
||||
|
||||
// Equals returns true if the value of the type
|
||||
// is equal to the value of another object.
|
||||
func (o *ObjectPtr) Equals(x Object) bool {
|
||||
return o == x
|
||||
}
|
||||
@ -1,39 +0,0 @@
|
||||
package objects
|
||||
|
||||
import "github.com/d5/tengo/compiler/token"
|
||||
|
||||
// ReturnValue represents a value that is being returned.
|
||||
type ReturnValue struct {
|
||||
Value Object
|
||||
}
|
||||
|
||||
// TypeName returns the name of the type.
|
||||
func (o *ReturnValue) TypeName() string {
|
||||
return "return-value"
|
||||
}
|
||||
|
||||
func (o *ReturnValue) String() string {
|
||||
return "<return-value>"
|
||||
}
|
||||
|
||||
// BinaryOp returns another object that is the result of
|
||||
// a given binary operator and a right-hand side object.
|
||||
func (o *ReturnValue) BinaryOp(op token.Token, rhs Object) (Object, error) {
|
||||
return nil, ErrInvalidOperator
|
||||
}
|
||||
|
||||
// Copy returns a copy of the type.
|
||||
func (o *ReturnValue) Copy() Object {
|
||||
return &ReturnValue{Value: o.Copy()}
|
||||
}
|
||||
|
||||
// IsFalsy returns true if the value of the type is falsy.
|
||||
func (o *ReturnValue) IsFalsy() bool {
|
||||
return false
|
||||
}
|
||||
|
||||
// Equals returns true if the value of the type
|
||||
// is equal to the value of another object.
|
||||
func (o *ReturnValue) Equals(x Object) bool {
|
||||
return false
|
||||
}
|
||||
@ -0,0 +1,11 @@
|
||||
package objects
|
||||
|
||||
// SourceModule is an importable module that's written in Tengo.
|
||||
type SourceModule struct {
|
||||
Src []byte
|
||||
}
|
||||
|
||||
// Import returns a module source code.
|
||||
func (m *SourceModule) Import(_ string) (interface{}, error) {
|
||||
return m.Src, nil
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,33 +0,0 @@
|
||||
package script
|
||||
|
||||
import (
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
func objectToInterface(o objects.Object) interface{} {
|
||||
switch val := o.(type) {
|
||||
case *objects.Array:
|
||||
return val.Value
|
||||
case *objects.Map:
|
||||
return val.Value
|
||||
case *objects.Int:
|
||||
return val.Value
|
||||
case *objects.Float:
|
||||
return val.Value
|
||||
case *objects.Bool:
|
||||
if val == objects.TrueValue {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
case *objects.Char:
|
||||
return val.Value
|
||||
case *objects.String:
|
||||
return val.Value
|
||||
case *objects.Bytes:
|
||||
return val.Value
|
||||
case *objects.Undefined:
|
||||
return nil
|
||||
}
|
||||
|
||||
return o
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
package stdlib
|
||||
|
||||
import "github.com/d5/tengo/objects"
|
||||
|
||||
// BuiltinModules are builtin type standard library modules.
|
||||
var BuiltinModules = map[string]map[string]objects.Object{
|
||||
"math": mathModule,
|
||||
"os": osModule,
|
||||
"text": textModule,
|
||||
"times": timesModule,
|
||||
"rand": randModule,
|
||||
"fmt": fmtModule,
|
||||
"json": jsonModule,
|
||||
}
|
||||
@ -0,0 +1,11 @@
|
||||
package stdlib
|
||||
|
||||
import "github.com/d5/tengo/objects"
|
||||
|
||||
func wrapError(err error) objects.Object {
|
||||
if err == nil {
|
||||
return objects.TrueValue
|
||||
}
|
||||
|
||||
return &objects.Error{Value: &objects.String{Value: err.Error()}}
|
||||
}
|
||||
@ -0,0 +1,116 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/d5/tengo"
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
var fmtModule = map[string]objects.Object{
|
||||
"print": &objects.UserFunction{Name: "print", Value: fmtPrint},
|
||||
"printf": &objects.UserFunction{Name: "printf", Value: fmtPrintf},
|
||||
"println": &objects.UserFunction{Name: "println", Value: fmtPrintln},
|
||||
"sprintf": &objects.UserFunction{Name: "sprintf", Value: fmtSprintf},
|
||||
}
|
||||
|
||||
func fmtPrint(args ...objects.Object) (ret objects.Object, err error) {
|
||||
printArgs, err := getPrintArgs(args...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
_, _ = fmt.Print(printArgs...)
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func fmtPrintf(args ...objects.Object) (ret objects.Object, err error) {
|
||||
numArgs := len(args)
|
||||
if numArgs == 0 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
format, ok := args[0].(*objects.String)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "format",
|
||||
Expected: "string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
if numArgs == 1 {
|
||||
fmt.Print(format)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
formatArgs := make([]interface{}, numArgs-1, numArgs-1)
|
||||
for idx, arg := range args[1:] {
|
||||
formatArgs[idx] = objects.ToInterface(arg)
|
||||
}
|
||||
|
||||
fmt.Printf(format.Value, formatArgs...)
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func fmtPrintln(args ...objects.Object) (ret objects.Object, err error) {
|
||||
printArgs, err := getPrintArgs(args...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
printArgs = append(printArgs, "\n")
|
||||
_, _ = fmt.Print(printArgs...)
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func fmtSprintf(args ...objects.Object) (ret objects.Object, err error) {
|
||||
numArgs := len(args)
|
||||
if numArgs == 0 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
format, ok := args[0].(*objects.String)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "format",
|
||||
Expected: "string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
if numArgs == 1 {
|
||||
return format, nil // okay to return 'format' directly as String is immutable
|
||||
}
|
||||
|
||||
formatArgs := make([]interface{}, numArgs-1, numArgs-1)
|
||||
for idx, arg := range args[1:] {
|
||||
formatArgs[idx] = objects.ToInterface(arg)
|
||||
}
|
||||
|
||||
s := fmt.Sprintf(format.Value, formatArgs...)
|
||||
|
||||
if len(s) > tengo.MaxStringLen {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
return &objects.String{Value: s}, nil
|
||||
}
|
||||
|
||||
func getPrintArgs(args ...objects.Object) ([]interface{}, error) {
|
||||
var printArgs []interface{}
|
||||
l := 0
|
||||
for _, arg := range args {
|
||||
s, _ := objects.ToString(arg)
|
||||
slen := len(s)
|
||||
if l+slen > tengo.MaxStringLen { // make sure length does not exceed the limit
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
l += slen
|
||||
|
||||
printArgs = append(printArgs, s)
|
||||
}
|
||||
|
||||
return printArgs, nil
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,53 @@
|
||||
// +build ignore
|
||||
|
||||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"regexp"
|
||||
"strconv"
|
||||
)
|
||||
|
||||
var tengoModFileRE = regexp.MustCompile(`^srcmod_(\w+).tengo$`)
|
||||
|
||||
func main() {
|
||||
modules := make(map[string]string)
|
||||
|
||||
// enumerate all Tengo module files
|
||||
files, err := ioutil.ReadDir(".")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
for _, file := range files {
|
||||
m := tengoModFileRE.FindStringSubmatch(file.Name())
|
||||
if m != nil {
|
||||
modName := m[1]
|
||||
|
||||
src, err := ioutil.ReadFile(file.Name())
|
||||
if err != nil {
|
||||
log.Fatalf("file '%s' read error: %s", file.Name(), err.Error())
|
||||
}
|
||||
|
||||
modules[modName] = string(src)
|
||||
}
|
||||
}
|
||||
|
||||
var out bytes.Buffer
|
||||
out.WriteString(`// Code generated using gensrcmods.go; DO NOT EDIT.
|
||||
|
||||
package stdlib
|
||||
|
||||
// SourceModules are source type standard library modules.
|
||||
var SourceModules = map[string]string{` + "\n")
|
||||
for modName, modSrc := range modules {
|
||||
out.WriteString("\t\"" + modName + "\": " + strconv.Quote(modSrc) + ",\n")
|
||||
}
|
||||
out.WriteString("}\n")
|
||||
|
||||
const target = "source_modules.go"
|
||||
if err := ioutil.WriteFile(target, out.Bytes(), 0644); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,126 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
gojson "encoding/json"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
"github.com/d5/tengo/stdlib/json"
|
||||
)
|
||||
|
||||
var jsonModule = map[string]objects.Object{
|
||||
"decode": &objects.UserFunction{Name: "decode", Value: jsonDecode},
|
||||
"encode": &objects.UserFunction{Name: "encode", Value: jsonEncode},
|
||||
"indent": &objects.UserFunction{Name: "encode", Value: jsonIndent},
|
||||
"html_escape": &objects.UserFunction{Name: "html_escape", Value: jsonHTMLEscape},
|
||||
}
|
||||
|
||||
func jsonDecode(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
switch o := args[0].(type) {
|
||||
case *objects.Bytes:
|
||||
v, err := json.Decode(o.Value)
|
||||
if err != nil {
|
||||
return &objects.Error{Value: &objects.String{Value: err.Error()}}, nil
|
||||
}
|
||||
return v, nil
|
||||
case *objects.String:
|
||||
v, err := json.Decode([]byte(o.Value))
|
||||
if err != nil {
|
||||
return &objects.Error{Value: &objects.String{Value: err.Error()}}, nil
|
||||
}
|
||||
return v, nil
|
||||
default:
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "bytes/string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func jsonEncode(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
b, err := json.Encode(args[0])
|
||||
if err != nil {
|
||||
return &objects.Error{Value: &objects.String{Value: err.Error()}}, nil
|
||||
}
|
||||
|
||||
return &objects.Bytes{Value: b}, nil
|
||||
}
|
||||
|
||||
func jsonIndent(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 3 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
prefix, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "prefix",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
indent, ok := objects.ToString(args[2])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "indent",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
switch o := args[0].(type) {
|
||||
case *objects.Bytes:
|
||||
var dst bytes.Buffer
|
||||
err := gojson.Indent(&dst, o.Value, prefix, indent)
|
||||
if err != nil {
|
||||
return &objects.Error{Value: &objects.String{Value: err.Error()}}, nil
|
||||
}
|
||||
return &objects.Bytes{Value: dst.Bytes()}, nil
|
||||
case *objects.String:
|
||||
var dst bytes.Buffer
|
||||
err := gojson.Indent(&dst, []byte(o.Value), prefix, indent)
|
||||
if err != nil {
|
||||
return &objects.Error{Value: &objects.String{Value: err.Error()}}, nil
|
||||
}
|
||||
return &objects.Bytes{Value: dst.Bytes()}, nil
|
||||
default:
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "bytes/string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func jsonHTMLEscape(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
switch o := args[0].(type) {
|
||||
case *objects.Bytes:
|
||||
var dst bytes.Buffer
|
||||
gojson.HTMLEscape(&dst, o.Value)
|
||||
return &objects.Bytes{Value: dst.Bytes()}, nil
|
||||
case *objects.String:
|
||||
var dst bytes.Buffer
|
||||
gojson.HTMLEscape(&dst, []byte(o.Value))
|
||||
return &objects.Bytes{Value: dst.Bytes()}, nil
|
||||
default:
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "bytes/string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,374 @@
|
||||
// A modified version of Go's JSON implementation.
|
||||
|
||||
// Copyright 2010 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package json
|
||||
|
||||
import (
|
||||
"strconv"
|
||||
"unicode"
|
||||
"unicode/utf16"
|
||||
"unicode/utf8"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
// Decode parses the JSON-encoded data and returns the result object.
|
||||
func Decode(data []byte) (objects.Object, error) {
|
||||
var d decodeState
|
||||
err := checkValid(data, &d.scan)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
d.init(data)
|
||||
d.scan.reset()
|
||||
d.scanWhile(scanSkipSpace)
|
||||
|
||||
return d.value()
|
||||
}
|
||||
|
||||
// decodeState represents the state while decoding a JSON value.
|
||||
type decodeState struct {
|
||||
data []byte
|
||||
off int // next read offset in data
|
||||
opcode int // last read result
|
||||
scan scanner
|
||||
}
|
||||
|
||||
// readIndex returns the position of the last byte read.
|
||||
func (d *decodeState) readIndex() int {
|
||||
return d.off - 1
|
||||
}
|
||||
|
||||
const phasePanicMsg = "JSON decoder out of sync - data changing underfoot?"
|
||||
|
||||
func (d *decodeState) init(data []byte) *decodeState {
|
||||
d.data = data
|
||||
d.off = 0
|
||||
return d
|
||||
}
|
||||
|
||||
// scanNext processes the byte at d.data[d.off].
|
||||
func (d *decodeState) scanNext() {
|
||||
if d.off < len(d.data) {
|
||||
d.opcode = d.scan.step(&d.scan, d.data[d.off])
|
||||
d.off++
|
||||
} else {
|
||||
d.opcode = d.scan.eof()
|
||||
d.off = len(d.data) + 1 // mark processed EOF with len+1
|
||||
}
|
||||
}
|
||||
|
||||
// scanWhile processes bytes in d.data[d.off:] until it
|
||||
// receives a scan code not equal to op.
|
||||
func (d *decodeState) scanWhile(op int) {
|
||||
s, data, i := &d.scan, d.data, d.off
|
||||
for i < len(data) {
|
||||
newOp := s.step(s, data[i])
|
||||
i++
|
||||
if newOp != op {
|
||||
d.opcode = newOp
|
||||
d.off = i
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
d.off = len(data) + 1 // mark processed EOF with len+1
|
||||
d.opcode = d.scan.eof()
|
||||
}
|
||||
|
||||
func (d *decodeState) value() (objects.Object, error) {
|
||||
switch d.opcode {
|
||||
default:
|
||||
panic(phasePanicMsg)
|
||||
|
||||
case scanBeginArray:
|
||||
o, err := d.array()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
d.scanNext()
|
||||
|
||||
return o, nil
|
||||
|
||||
case scanBeginObject:
|
||||
o, err := d.object()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
d.scanNext()
|
||||
|
||||
return o, nil
|
||||
|
||||
case scanBeginLiteral:
|
||||
return d.literal()
|
||||
}
|
||||
}
|
||||
|
||||
func (d *decodeState) array() (objects.Object, error) {
|
||||
var arr []objects.Object
|
||||
for {
|
||||
// Look ahead for ] - can only happen on first iteration.
|
||||
d.scanWhile(scanSkipSpace)
|
||||
if d.opcode == scanEndArray {
|
||||
break
|
||||
}
|
||||
|
||||
o, err := d.value()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
arr = append(arr, o)
|
||||
|
||||
// Next token must be , or ].
|
||||
if d.opcode == scanSkipSpace {
|
||||
d.scanWhile(scanSkipSpace)
|
||||
}
|
||||
if d.opcode == scanEndArray {
|
||||
break
|
||||
}
|
||||
if d.opcode != scanArrayValue {
|
||||
panic(phasePanicMsg)
|
||||
}
|
||||
}
|
||||
|
||||
return &objects.Array{Value: arr}, nil
|
||||
}
|
||||
|
||||
func (d *decodeState) object() (objects.Object, error) {
|
||||
m := make(map[string]objects.Object)
|
||||
for {
|
||||
// Read opening " of string key or closing }.
|
||||
d.scanWhile(scanSkipSpace)
|
||||
if d.opcode == scanEndObject {
|
||||
// closing } - can only happen on first iteration.
|
||||
break
|
||||
}
|
||||
if d.opcode != scanBeginLiteral {
|
||||
panic(phasePanicMsg)
|
||||
}
|
||||
|
||||
// Read string key.
|
||||
start := d.readIndex()
|
||||
d.scanWhile(scanContinue)
|
||||
item := d.data[start:d.readIndex()]
|
||||
key, ok := unquote(item)
|
||||
if !ok {
|
||||
panic(phasePanicMsg)
|
||||
}
|
||||
|
||||
// Read : before value.
|
||||
if d.opcode == scanSkipSpace {
|
||||
d.scanWhile(scanSkipSpace)
|
||||
}
|
||||
if d.opcode != scanObjectKey {
|
||||
panic(phasePanicMsg)
|
||||
}
|
||||
d.scanWhile(scanSkipSpace)
|
||||
|
||||
// Read value.
|
||||
o, err := d.value()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
m[key] = o
|
||||
|
||||
// Next token must be , or }.
|
||||
if d.opcode == scanSkipSpace {
|
||||
d.scanWhile(scanSkipSpace)
|
||||
}
|
||||
if d.opcode == scanEndObject {
|
||||
break
|
||||
}
|
||||
if d.opcode != scanObjectValue {
|
||||
panic(phasePanicMsg)
|
||||
}
|
||||
}
|
||||
|
||||
return &objects.Map{Value: m}, nil
|
||||
}
|
||||
|
||||
func (d *decodeState) literal() (objects.Object, error) {
|
||||
// All bytes inside literal return scanContinue op code.
|
||||
start := d.readIndex()
|
||||
d.scanWhile(scanContinue)
|
||||
|
||||
item := d.data[start:d.readIndex()]
|
||||
|
||||
switch c := item[0]; c {
|
||||
case 'n': // null
|
||||
return objects.UndefinedValue, nil
|
||||
|
||||
case 't', 'f': // true, false
|
||||
if c == 't' {
|
||||
return objects.TrueValue, nil
|
||||
}
|
||||
return objects.FalseValue, nil
|
||||
|
||||
case '"': // string
|
||||
s, ok := unquote(item)
|
||||
if !ok {
|
||||
panic(phasePanicMsg)
|
||||
}
|
||||
return &objects.String{Value: s}, nil
|
||||
|
||||
default: // number
|
||||
if c != '-' && (c < '0' || c > '9') {
|
||||
panic(phasePanicMsg)
|
||||
}
|
||||
|
||||
n, _ := strconv.ParseFloat(string(item), 10)
|
||||
return &objects.Float{Value: n}, nil
|
||||
}
|
||||
}
|
||||
|
||||
// getu4 decodes \uXXXX from the beginning of s, returning the hex value,
|
||||
// or it returns -1.
|
||||
func getu4(s []byte) rune {
|
||||
if len(s) < 6 || s[0] != '\\' || s[1] != 'u' {
|
||||
return -1
|
||||
}
|
||||
var r rune
|
||||
for _, c := range s[2:6] {
|
||||
switch {
|
||||
case '0' <= c && c <= '9':
|
||||
c = c - '0'
|
||||
case 'a' <= c && c <= 'f':
|
||||
c = c - 'a' + 10
|
||||
case 'A' <= c && c <= 'F':
|
||||
c = c - 'A' + 10
|
||||
default:
|
||||
return -1
|
||||
}
|
||||
r = r*16 + rune(c)
|
||||
}
|
||||
return r
|
||||
}
|
||||
|
||||
// unquote converts a quoted JSON string literal s into an actual string t.
|
||||
// The rules are different than for Go, so cannot use strconv.Unquote.
|
||||
func unquote(s []byte) (t string, ok bool) {
|
||||
s, ok = unquoteBytes(s)
|
||||
t = string(s)
|
||||
return
|
||||
}
|
||||
|
||||
func unquoteBytes(s []byte) (t []byte, ok bool) {
|
||||
if len(s) < 2 || s[0] != '"' || s[len(s)-1] != '"' {
|
||||
return
|
||||
}
|
||||
s = s[1 : len(s)-1]
|
||||
|
||||
// Check for unusual characters. If there are none,
|
||||
// then no unquoting is needed, so return a slice of the
|
||||
// original bytes.
|
||||
r := 0
|
||||
for r < len(s) {
|
||||
c := s[r]
|
||||
if c == '\\' || c == '"' || c < ' ' {
|
||||
break
|
||||
}
|
||||
if c < utf8.RuneSelf {
|
||||
r++
|
||||
continue
|
||||
}
|
||||
rr, size := utf8.DecodeRune(s[r:])
|
||||
if rr == utf8.RuneError && size == 1 {
|
||||
break
|
||||
}
|
||||
r += size
|
||||
}
|
||||
if r == len(s) {
|
||||
return s, true
|
||||
}
|
||||
|
||||
b := make([]byte, len(s)+2*utf8.UTFMax)
|
||||
w := copy(b, s[0:r])
|
||||
for r < len(s) {
|
||||
// Out of room? Can only happen if s is full of
|
||||
// malformed UTF-8 and we're replacing each
|
||||
// byte with RuneError.
|
||||
if w >= len(b)-2*utf8.UTFMax {
|
||||
nb := make([]byte, (len(b)+utf8.UTFMax)*2)
|
||||
copy(nb, b[0:w])
|
||||
b = nb
|
||||
}
|
||||
switch c := s[r]; {
|
||||
case c == '\\':
|
||||
r++
|
||||
if r >= len(s) {
|
||||
return
|
||||
}
|
||||
switch s[r] {
|
||||
default:
|
||||
return
|
||||
case '"', '\\', '/', '\'':
|
||||
b[w] = s[r]
|
||||
r++
|
||||
w++
|
||||
case 'b':
|
||||
b[w] = '\b'
|
||||
r++
|
||||
w++
|
||||
case 'f':
|
||||
b[w] = '\f'
|
||||
r++
|
||||
w++
|
||||
case 'n':
|
||||
b[w] = '\n'
|
||||
r++
|
||||
w++
|
||||
case 'r':
|
||||
b[w] = '\r'
|
||||
r++
|
||||
w++
|
||||
case 't':
|
||||
b[w] = '\t'
|
||||
r++
|
||||
w++
|
||||
case 'u':
|
||||
r--
|
||||
rr := getu4(s[r:])
|
||||
if rr < 0 {
|
||||
return
|
||||
}
|
||||
r += 6
|
||||
if utf16.IsSurrogate(rr) {
|
||||
rr1 := getu4(s[r:])
|
||||
if dec := utf16.DecodeRune(rr, rr1); dec != unicode.ReplacementChar {
|
||||
// A valid pair; consume.
|
||||
r += 6
|
||||
w += utf8.EncodeRune(b[w:], dec)
|
||||
break
|
||||
}
|
||||
// Invalid surrogate; fall back to replacement rune.
|
||||
rr = unicode.ReplacementChar
|
||||
}
|
||||
w += utf8.EncodeRune(b[w:], rr)
|
||||
}
|
||||
|
||||
// Quote, control characters are invalid.
|
||||
case c == '"', c < ' ':
|
||||
return
|
||||
|
||||
// ASCII
|
||||
case c < utf8.RuneSelf:
|
||||
b[w] = c
|
||||
r++
|
||||
w++
|
||||
|
||||
// Coerce to well-formed UTF-8.
|
||||
default:
|
||||
rr, size := utf8.DecodeRune(s[r:])
|
||||
r += size
|
||||
w += utf8.EncodeRune(b[w:], rr)
|
||||
}
|
||||
}
|
||||
return b[0:w], true
|
||||
}
|
||||
@ -0,0 +1,147 @@
|
||||
// A modified version of Go's JSON implementation.
|
||||
|
||||
// Copyright 2010 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package json
|
||||
|
||||
import (
|
||||
"encoding/base64"
|
||||
"errors"
|
||||
"math"
|
||||
"strconv"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
// Encode returns the JSON encoding of the object.
|
||||
func Encode(o objects.Object) ([]byte, error) {
|
||||
var b []byte
|
||||
|
||||
switch o := o.(type) {
|
||||
case *objects.Array:
|
||||
b = append(b, '[')
|
||||
len1 := len(o.Value) - 1
|
||||
for idx, elem := range o.Value {
|
||||
eb, err := Encode(elem)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
b = append(b, eb...)
|
||||
if idx < len1 {
|
||||
b = append(b, ',')
|
||||
}
|
||||
}
|
||||
b = append(b, ']')
|
||||
case *objects.ImmutableArray:
|
||||
b = append(b, '[')
|
||||
len1 := len(o.Value) - 1
|
||||
for idx, elem := range o.Value {
|
||||
eb, err := Encode(elem)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
b = append(b, eb...)
|
||||
if idx < len1 {
|
||||
b = append(b, ',')
|
||||
}
|
||||
}
|
||||
b = append(b, ']')
|
||||
case *objects.Map:
|
||||
b = append(b, '{')
|
||||
len1 := len(o.Value) - 1
|
||||
idx := 0
|
||||
for key, value := range o.Value {
|
||||
b = strconv.AppendQuote(b, key)
|
||||
b = append(b, ':')
|
||||
eb, err := Encode(value)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
b = append(b, eb...)
|
||||
if idx < len1 {
|
||||
b = append(b, ',')
|
||||
}
|
||||
idx++
|
||||
}
|
||||
b = append(b, '}')
|
||||
case *objects.ImmutableMap:
|
||||
b = append(b, '{')
|
||||
len1 := len(o.Value) - 1
|
||||
idx := 0
|
||||
for key, value := range o.Value {
|
||||
b = strconv.AppendQuote(b, key)
|
||||
b = append(b, ':')
|
||||
eb, err := Encode(value)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
b = append(b, eb...)
|
||||
if idx < len1 {
|
||||
b = append(b, ',')
|
||||
}
|
||||
idx++
|
||||
}
|
||||
b = append(b, '}')
|
||||
case *objects.Bool:
|
||||
if o.IsFalsy() {
|
||||
b = strconv.AppendBool(b, false)
|
||||
} else {
|
||||
b = strconv.AppendBool(b, true)
|
||||
}
|
||||
case *objects.Bytes:
|
||||
b = append(b, '"')
|
||||
encodedLen := base64.StdEncoding.EncodedLen(len(o.Value))
|
||||
dst := make([]byte, encodedLen)
|
||||
base64.StdEncoding.Encode(dst, o.Value)
|
||||
b = append(b, dst...)
|
||||
b = append(b, '"')
|
||||
case *objects.Char:
|
||||
b = strconv.AppendInt(b, int64(o.Value), 10)
|
||||
case *objects.Float:
|
||||
var y []byte
|
||||
|
||||
f := o.Value
|
||||
if math.IsInf(f, 0) || math.IsNaN(f) {
|
||||
return nil, errors.New("unsupported float value")
|
||||
}
|
||||
|
||||
// Convert as if by ES6 number to string conversion.
|
||||
// This matches most other JSON generators.
|
||||
abs := math.Abs(f)
|
||||
fmt := byte('f')
|
||||
if abs != 0 {
|
||||
if abs < 1e-6 || abs >= 1e21 {
|
||||
fmt = 'e'
|
||||
}
|
||||
}
|
||||
y = strconv.AppendFloat(y, f, fmt, -1, 64)
|
||||
if fmt == 'e' {
|
||||
// clean up e-09 to e-9
|
||||
n := len(y)
|
||||
if n >= 4 && y[n-4] == 'e' && y[n-3] == '-' && y[n-2] == '0' {
|
||||
y[n-2] = y[n-1]
|
||||
y = y[:n-1]
|
||||
}
|
||||
}
|
||||
|
||||
b = append(b, y...)
|
||||
case *objects.Int:
|
||||
b = strconv.AppendInt(b, o.Value, 10)
|
||||
case *objects.String:
|
||||
b = strconv.AppendQuote(b, o.Value)
|
||||
case *objects.Time:
|
||||
y, err := o.Value.MarshalJSON()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
b = append(b, y...)
|
||||
case *objects.Undefined:
|
||||
b = append(b, "null"...)
|
||||
default:
|
||||
// unknown type: ignore
|
||||
}
|
||||
|
||||
return b, nil
|
||||
}
|
||||
@ -0,0 +1,559 @@
|
||||
// A modified version of Go's JSON implementation.
|
||||
|
||||
// Copyright 2010 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package json
|
||||
|
||||
import "strconv"
|
||||
|
||||
func checkValid(data []byte, scan *scanner) error {
|
||||
scan.reset()
|
||||
for _, c := range data {
|
||||
scan.bytes++
|
||||
if scan.step(scan, c) == scanError {
|
||||
return scan.err
|
||||
}
|
||||
}
|
||||
if scan.eof() == scanError {
|
||||
return scan.err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// A SyntaxError is a description of a JSON syntax error.
|
||||
type SyntaxError struct {
|
||||
msg string // description of error
|
||||
Offset int64 // error occurred after reading Offset bytes
|
||||
}
|
||||
|
||||
func (e *SyntaxError) Error() string { return e.msg }
|
||||
|
||||
// A scanner is a JSON scanning state machine.
|
||||
// Callers call scan.reset() and then pass bytes in one at a time
|
||||
// by calling scan.step(&scan, c) for each byte.
|
||||
// The return value, referred to as an opcode, tells the
|
||||
// caller about significant parsing events like beginning
|
||||
// and ending literals, objects, and arrays, so that the
|
||||
// caller can follow along if it wishes.
|
||||
// The return value scanEnd indicates that a single top-level
|
||||
// JSON value has been completed, *before* the byte that
|
||||
// just got passed in. (The indication must be delayed in order
|
||||
// to recognize the end of numbers: is 123 a whole value or
|
||||
// the beginning of 12345e+6?).
|
||||
type scanner struct {
|
||||
// The step is a func to be called to execute the next transition.
|
||||
// Also tried using an integer constant and a single func
|
||||
// with a switch, but using the func directly was 10% faster
|
||||
// on a 64-bit Mac Mini, and it's nicer to read.
|
||||
step func(*scanner, byte) int
|
||||
|
||||
// Reached end of top-level value.
|
||||
endTop bool
|
||||
|
||||
// Stack of what we're in the middle of - array values, object keys, object values.
|
||||
parseState []int
|
||||
|
||||
// Error that happened, if any.
|
||||
err error
|
||||
|
||||
// total bytes consumed, updated by decoder.Decode
|
||||
bytes int64
|
||||
}
|
||||
|
||||
// These values are returned by the state transition functions
|
||||
// assigned to scanner.state and the method scanner.eof.
|
||||
// They give details about the current state of the scan that
|
||||
// callers might be interested to know about.
|
||||
// It is okay to ignore the return value of any particular
|
||||
// call to scanner.state: if one call returns scanError,
|
||||
// every subsequent call will return scanError too.
|
||||
const (
|
||||
// Continue.
|
||||
scanContinue = iota // uninteresting byte
|
||||
scanBeginLiteral // end implied by next result != scanContinue
|
||||
scanBeginObject // begin object
|
||||
scanObjectKey // just finished object key (string)
|
||||
scanObjectValue // just finished non-last object value
|
||||
scanEndObject // end object (implies scanObjectValue if possible)
|
||||
scanBeginArray // begin array
|
||||
scanArrayValue // just finished array value
|
||||
scanEndArray // end array (implies scanArrayValue if possible)
|
||||
scanSkipSpace // space byte; can skip; known to be last "continue" result
|
||||
|
||||
// Stop.
|
||||
scanEnd // top-level value ended *before* this byte; known to be first "stop" result
|
||||
scanError // hit an error, scanner.err.
|
||||
)
|
||||
|
||||
// These values are stored in the parseState stack.
|
||||
// They give the current state of a composite value
|
||||
// being scanned. If the parser is inside a nested value
|
||||
// the parseState describes the nested state, outermost at entry 0.
|
||||
const (
|
||||
parseObjectKey = iota // parsing object key (before colon)
|
||||
parseObjectValue // parsing object value (after colon)
|
||||
parseArrayValue // parsing array value
|
||||
)
|
||||
|
||||
// reset prepares the scanner for use.
|
||||
// It must be called before calling s.step.
|
||||
func (s *scanner) reset() {
|
||||
s.step = stateBeginValue
|
||||
s.parseState = s.parseState[0:0]
|
||||
s.err = nil
|
||||
s.endTop = false
|
||||
}
|
||||
|
||||
// eof tells the scanner that the end of input has been reached.
|
||||
// It returns a scan status just as s.step does.
|
||||
func (s *scanner) eof() int {
|
||||
if s.err != nil {
|
||||
return scanError
|
||||
}
|
||||
if s.endTop {
|
||||
return scanEnd
|
||||
}
|
||||
s.step(s, ' ')
|
||||
if s.endTop {
|
||||
return scanEnd
|
||||
}
|
||||
if s.err == nil {
|
||||
s.err = &SyntaxError{"unexpected end of JSON input", s.bytes}
|
||||
}
|
||||
return scanError
|
||||
}
|
||||
|
||||
// pushParseState pushes a new parse state p onto the parse stack.
|
||||
func (s *scanner) pushParseState(p int) {
|
||||
s.parseState = append(s.parseState, p)
|
||||
}
|
||||
|
||||
// popParseState pops a parse state (already obtained) off the stack
|
||||
// and updates s.step accordingly.
|
||||
func (s *scanner) popParseState() {
|
||||
n := len(s.parseState) - 1
|
||||
s.parseState = s.parseState[0:n]
|
||||
if n == 0 {
|
||||
s.step = stateEndTop
|
||||
s.endTop = true
|
||||
} else {
|
||||
s.step = stateEndValue
|
||||
}
|
||||
}
|
||||
|
||||
func isSpace(c byte) bool {
|
||||
return c == ' ' || c == '\t' || c == '\r' || c == '\n'
|
||||
}
|
||||
|
||||
// stateBeginValueOrEmpty is the state after reading `[`.
|
||||
func stateBeginValueOrEmpty(s *scanner, c byte) int {
|
||||
if c <= ' ' && isSpace(c) {
|
||||
return scanSkipSpace
|
||||
}
|
||||
if c == ']' {
|
||||
return stateEndValue(s, c)
|
||||
}
|
||||
return stateBeginValue(s, c)
|
||||
}
|
||||
|
||||
// stateBeginValue is the state at the beginning of the input.
|
||||
func stateBeginValue(s *scanner, c byte) int {
|
||||
if c <= ' ' && isSpace(c) {
|
||||
return scanSkipSpace
|
||||
}
|
||||
switch c {
|
||||
case '{':
|
||||
s.step = stateBeginStringOrEmpty
|
||||
s.pushParseState(parseObjectKey)
|
||||
return scanBeginObject
|
||||
case '[':
|
||||
s.step = stateBeginValueOrEmpty
|
||||
s.pushParseState(parseArrayValue)
|
||||
return scanBeginArray
|
||||
case '"':
|
||||
s.step = stateInString
|
||||
return scanBeginLiteral
|
||||
case '-':
|
||||
s.step = stateNeg
|
||||
return scanBeginLiteral
|
||||
case '0': // beginning of 0.123
|
||||
s.step = state0
|
||||
return scanBeginLiteral
|
||||
case 't': // beginning of true
|
||||
s.step = stateT
|
||||
return scanBeginLiteral
|
||||
case 'f': // beginning of false
|
||||
s.step = stateF
|
||||
return scanBeginLiteral
|
||||
case 'n': // beginning of null
|
||||
s.step = stateN
|
||||
return scanBeginLiteral
|
||||
}
|
||||
if '1' <= c && c <= '9' { // beginning of 1234.5
|
||||
s.step = state1
|
||||
return scanBeginLiteral
|
||||
}
|
||||
return s.error(c, "looking for beginning of value")
|
||||
}
|
||||
|
||||
// stateBeginStringOrEmpty is the state after reading `{`.
|
||||
func stateBeginStringOrEmpty(s *scanner, c byte) int {
|
||||
if c <= ' ' && isSpace(c) {
|
||||
return scanSkipSpace
|
||||
}
|
||||
if c == '}' {
|
||||
n := len(s.parseState)
|
||||
s.parseState[n-1] = parseObjectValue
|
||||
return stateEndValue(s, c)
|
||||
}
|
||||
return stateBeginString(s, c)
|
||||
}
|
||||
|
||||
// stateBeginString is the state after reading `{"key": value,`.
|
||||
func stateBeginString(s *scanner, c byte) int {
|
||||
if c <= ' ' && isSpace(c) {
|
||||
return scanSkipSpace
|
||||
}
|
||||
if c == '"' {
|
||||
s.step = stateInString
|
||||
return scanBeginLiteral
|
||||
}
|
||||
return s.error(c, "looking for beginning of object key string")
|
||||
}
|
||||
|
||||
// stateEndValue is the state after completing a value,
|
||||
// such as after reading `{}` or `true` or `["x"`.
|
||||
func stateEndValue(s *scanner, c byte) int {
|
||||
n := len(s.parseState)
|
||||
if n == 0 {
|
||||
// Completed top-level before the current byte.
|
||||
s.step = stateEndTop
|
||||
s.endTop = true
|
||||
return stateEndTop(s, c)
|
||||
}
|
||||
if c <= ' ' && isSpace(c) {
|
||||
s.step = stateEndValue
|
||||
return scanSkipSpace
|
||||
}
|
||||
ps := s.parseState[n-1]
|
||||
switch ps {
|
||||
case parseObjectKey:
|
||||
if c == ':' {
|
||||
s.parseState[n-1] = parseObjectValue
|
||||
s.step = stateBeginValue
|
||||
return scanObjectKey
|
||||
}
|
||||
return s.error(c, "after object key")
|
||||
case parseObjectValue:
|
||||
if c == ',' {
|
||||
s.parseState[n-1] = parseObjectKey
|
||||
s.step = stateBeginString
|
||||
return scanObjectValue
|
||||
}
|
||||
if c == '}' {
|
||||
s.popParseState()
|
||||
return scanEndObject
|
||||
}
|
||||
return s.error(c, "after object key:value pair")
|
||||
case parseArrayValue:
|
||||
if c == ',' {
|
||||
s.step = stateBeginValue
|
||||
return scanArrayValue
|
||||
}
|
||||
if c == ']' {
|
||||
s.popParseState()
|
||||
return scanEndArray
|
||||
}
|
||||
return s.error(c, "after array element")
|
||||
}
|
||||
return s.error(c, "")
|
||||
}
|
||||
|
||||
// stateEndTop is the state after finishing the top-level value,
|
||||
// such as after reading `{}` or `[1,2,3]`.
|
||||
// Only space characters should be seen now.
|
||||
func stateEndTop(s *scanner, c byte) int {
|
||||
if !isSpace(c) {
|
||||
// Complain about non-space byte on next call.
|
||||
s.error(c, "after top-level value")
|
||||
}
|
||||
return scanEnd
|
||||
}
|
||||
|
||||
// stateInString is the state after reading `"`.
|
||||
func stateInString(s *scanner, c byte) int {
|
||||
if c == '"' {
|
||||
s.step = stateEndValue
|
||||
return scanContinue
|
||||
}
|
||||
if c == '\\' {
|
||||
s.step = stateInStringEsc
|
||||
return scanContinue
|
||||
}
|
||||
if c < 0x20 {
|
||||
return s.error(c, "in string literal")
|
||||
}
|
||||
return scanContinue
|
||||
}
|
||||
|
||||
// stateInStringEsc is the state after reading `"\` during a quoted string.
|
||||
func stateInStringEsc(s *scanner, c byte) int {
|
||||
switch c {
|
||||
case 'b', 'f', 'n', 'r', 't', '\\', '/', '"':
|
||||
s.step = stateInString
|
||||
return scanContinue
|
||||
case 'u':
|
||||
s.step = stateInStringEscU
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in string escape code")
|
||||
}
|
||||
|
||||
// stateInStringEscU is the state after reading `"\u` during a quoted string.
|
||||
func stateInStringEscU(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
|
||||
s.step = stateInStringEscU1
|
||||
return scanContinue
|
||||
}
|
||||
// numbers
|
||||
return s.error(c, "in \\u hexadecimal character escape")
|
||||
}
|
||||
|
||||
// stateInStringEscU1 is the state after reading `"\u1` during a quoted string.
|
||||
func stateInStringEscU1(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
|
||||
s.step = stateInStringEscU12
|
||||
return scanContinue
|
||||
}
|
||||
// numbers
|
||||
return s.error(c, "in \\u hexadecimal character escape")
|
||||
}
|
||||
|
||||
// stateInStringEscU12 is the state after reading `"\u12` during a quoted string.
|
||||
func stateInStringEscU12(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
|
||||
s.step = stateInStringEscU123
|
||||
return scanContinue
|
||||
}
|
||||
// numbers
|
||||
return s.error(c, "in \\u hexadecimal character escape")
|
||||
}
|
||||
|
||||
// stateInStringEscU123 is the state after reading `"\u123` during a quoted string.
|
||||
func stateInStringEscU123(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
|
||||
s.step = stateInString
|
||||
return scanContinue
|
||||
}
|
||||
// numbers
|
||||
return s.error(c, "in \\u hexadecimal character escape")
|
||||
}
|
||||
|
||||
// stateNeg is the state after reading `-` during a number.
|
||||
func stateNeg(s *scanner, c byte) int {
|
||||
if c == '0' {
|
||||
s.step = state0
|
||||
return scanContinue
|
||||
}
|
||||
if '1' <= c && c <= '9' {
|
||||
s.step = state1
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in numeric literal")
|
||||
}
|
||||
|
||||
// state1 is the state after reading a non-zero integer during a number,
|
||||
// such as after reading `1` or `100` but not `0`.
|
||||
func state1(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' {
|
||||
s.step = state1
|
||||
return scanContinue
|
||||
}
|
||||
return state0(s, c)
|
||||
}
|
||||
|
||||
// state0 is the state after reading `0` during a number.
|
||||
func state0(s *scanner, c byte) int {
|
||||
if c == '.' {
|
||||
s.step = stateDot
|
||||
return scanContinue
|
||||
}
|
||||
if c == 'e' || c == 'E' {
|
||||
s.step = stateE
|
||||
return scanContinue
|
||||
}
|
||||
return stateEndValue(s, c)
|
||||
}
|
||||
|
||||
// stateDot is the state after reading the integer and decimal point in a number,
|
||||
// such as after reading `1.`.
|
||||
func stateDot(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' {
|
||||
s.step = stateDot0
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "after decimal point in numeric literal")
|
||||
}
|
||||
|
||||
// stateDot0 is the state after reading the integer, decimal point, and subsequent
|
||||
// digits of a number, such as after reading `3.14`.
|
||||
func stateDot0(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' {
|
||||
return scanContinue
|
||||
}
|
||||
if c == 'e' || c == 'E' {
|
||||
s.step = stateE
|
||||
return scanContinue
|
||||
}
|
||||
return stateEndValue(s, c)
|
||||
}
|
||||
|
||||
// stateE is the state after reading the mantissa and e in a number,
|
||||
// such as after reading `314e` or `0.314e`.
|
||||
func stateE(s *scanner, c byte) int {
|
||||
if c == '+' || c == '-' {
|
||||
s.step = stateESign
|
||||
return scanContinue
|
||||
}
|
||||
return stateESign(s, c)
|
||||
}
|
||||
|
||||
// stateESign is the state after reading the mantissa, e, and sign in a number,
|
||||
// such as after reading `314e-` or `0.314e+`.
|
||||
func stateESign(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' {
|
||||
s.step = stateE0
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in exponent of numeric literal")
|
||||
}
|
||||
|
||||
// stateE0 is the state after reading the mantissa, e, optional sign,
|
||||
// and at least one digit of the exponent in a number,
|
||||
// such as after reading `314e-2` or `0.314e+1` or `3.14e0`.
|
||||
func stateE0(s *scanner, c byte) int {
|
||||
if '0' <= c && c <= '9' {
|
||||
return scanContinue
|
||||
}
|
||||
return stateEndValue(s, c)
|
||||
}
|
||||
|
||||
// stateT is the state after reading `t`.
|
||||
func stateT(s *scanner, c byte) int {
|
||||
if c == 'r' {
|
||||
s.step = stateTr
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal true (expecting 'r')")
|
||||
}
|
||||
|
||||
// stateTr is the state after reading `tr`.
|
||||
func stateTr(s *scanner, c byte) int {
|
||||
if c == 'u' {
|
||||
s.step = stateTru
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal true (expecting 'u')")
|
||||
}
|
||||
|
||||
// stateTru is the state after reading `tru`.
|
||||
func stateTru(s *scanner, c byte) int {
|
||||
if c == 'e' {
|
||||
s.step = stateEndValue
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal true (expecting 'e')")
|
||||
}
|
||||
|
||||
// stateF is the state after reading `f`.
|
||||
func stateF(s *scanner, c byte) int {
|
||||
if c == 'a' {
|
||||
s.step = stateFa
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal false (expecting 'a')")
|
||||
}
|
||||
|
||||
// stateFa is the state after reading `fa`.
|
||||
func stateFa(s *scanner, c byte) int {
|
||||
if c == 'l' {
|
||||
s.step = stateFal
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal false (expecting 'l')")
|
||||
}
|
||||
|
||||
// stateFal is the state after reading `fal`.
|
||||
func stateFal(s *scanner, c byte) int {
|
||||
if c == 's' {
|
||||
s.step = stateFals
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal false (expecting 's')")
|
||||
}
|
||||
|
||||
// stateFals is the state after reading `fals`.
|
||||
func stateFals(s *scanner, c byte) int {
|
||||
if c == 'e' {
|
||||
s.step = stateEndValue
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal false (expecting 'e')")
|
||||
}
|
||||
|
||||
// stateN is the state after reading `n`.
|
||||
func stateN(s *scanner, c byte) int {
|
||||
if c == 'u' {
|
||||
s.step = stateNu
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal null (expecting 'u')")
|
||||
}
|
||||
|
||||
// stateNu is the state after reading `nu`.
|
||||
func stateNu(s *scanner, c byte) int {
|
||||
if c == 'l' {
|
||||
s.step = stateNul
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal null (expecting 'l')")
|
||||
}
|
||||
|
||||
// stateNul is the state after reading `nul`.
|
||||
func stateNul(s *scanner, c byte) int {
|
||||
if c == 'l' {
|
||||
s.step = stateEndValue
|
||||
return scanContinue
|
||||
}
|
||||
return s.error(c, "in literal null (expecting 'l')")
|
||||
}
|
||||
|
||||
// stateError is the state after reaching a syntax error,
|
||||
// such as after reading `[1}` or `5.1.2`.
|
||||
func stateError(s *scanner, c byte) int {
|
||||
return scanError
|
||||
}
|
||||
|
||||
// error records an error and switches to the error state.
|
||||
func (s *scanner) error(c byte, context string) int {
|
||||
s.step = stateError
|
||||
s.err = &SyntaxError{"invalid character " + quoteChar(c) + " " + context, s.bytes}
|
||||
return scanError
|
||||
}
|
||||
|
||||
// quoteChar formats c as a quoted character literal
|
||||
func quoteChar(c byte) string {
|
||||
// special cases - different from quoted strings
|
||||
if c == '\'' {
|
||||
return `'\''`
|
||||
}
|
||||
if c == '"' {
|
||||
return `'"'`
|
||||
}
|
||||
|
||||
// use quoted string with different quotation marks
|
||||
s := strconv.Quote(string(c))
|
||||
return "'" + s[1:len(s)-1] + "'"
|
||||
}
|
||||
@ -0,0 +1,74 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"math"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
var mathModule = map[string]objects.Object{
|
||||
"e": &objects.Float{Value: math.E},
|
||||
"pi": &objects.Float{Value: math.Pi},
|
||||
"phi": &objects.Float{Value: math.Phi},
|
||||
"sqrt2": &objects.Float{Value: math.Sqrt2},
|
||||
"sqrtE": &objects.Float{Value: math.SqrtE},
|
||||
"sqrtPi": &objects.Float{Value: math.SqrtPi},
|
||||
"sqrtPhi": &objects.Float{Value: math.SqrtPhi},
|
||||
"ln2": &objects.Float{Value: math.Ln2},
|
||||
"log2E": &objects.Float{Value: math.Log2E},
|
||||
"ln10": &objects.Float{Value: math.Ln10},
|
||||
"log10E": &objects.Float{Value: math.Log10E},
|
||||
"abs": &objects.UserFunction{Name: "abs", Value: FuncAFRF(math.Abs)},
|
||||
"acos": &objects.UserFunction{Name: "acos", Value: FuncAFRF(math.Acos)},
|
||||
"acosh": &objects.UserFunction{Name: "acosh", Value: FuncAFRF(math.Acosh)},
|
||||
"asin": &objects.UserFunction{Name: "asin", Value: FuncAFRF(math.Asin)},
|
||||
"asinh": &objects.UserFunction{Name: "asinh", Value: FuncAFRF(math.Asinh)},
|
||||
"atan": &objects.UserFunction{Name: "atan", Value: FuncAFRF(math.Atan)},
|
||||
"atan2": &objects.UserFunction{Name: "atan2", Value: FuncAFFRF(math.Atan2)},
|
||||
"atanh": &objects.UserFunction{Name: "atanh", Value: FuncAFRF(math.Atanh)},
|
||||
"cbrt": &objects.UserFunction{Name: "cbrt", Value: FuncAFRF(math.Cbrt)},
|
||||
"ceil": &objects.UserFunction{Name: "ceil", Value: FuncAFRF(math.Ceil)},
|
||||
"copysign": &objects.UserFunction{Name: "copysign", Value: FuncAFFRF(math.Copysign)},
|
||||
"cos": &objects.UserFunction{Name: "cos", Value: FuncAFRF(math.Cos)},
|
||||
"cosh": &objects.UserFunction{Name: "cosh", Value: FuncAFRF(math.Cosh)},
|
||||
"dim": &objects.UserFunction{Name: "dim", Value: FuncAFFRF(math.Dim)},
|
||||
"erf": &objects.UserFunction{Name: "erf", Value: FuncAFRF(math.Erf)},
|
||||
"erfc": &objects.UserFunction{Name: "erfc", Value: FuncAFRF(math.Erfc)},
|
||||
"exp": &objects.UserFunction{Name: "exp", Value: FuncAFRF(math.Exp)},
|
||||
"exp2": &objects.UserFunction{Name: "exp2", Value: FuncAFRF(math.Exp2)},
|
||||
"expm1": &objects.UserFunction{Name: "expm1", Value: FuncAFRF(math.Expm1)},
|
||||
"floor": &objects.UserFunction{Name: "floor", Value: FuncAFRF(math.Floor)},
|
||||
"gamma": &objects.UserFunction{Name: "gamma", Value: FuncAFRF(math.Gamma)},
|
||||
"hypot": &objects.UserFunction{Name: "hypot", Value: FuncAFFRF(math.Hypot)},
|
||||
"ilogb": &objects.UserFunction{Name: "ilogb", Value: FuncAFRI(math.Ilogb)},
|
||||
"inf": &objects.UserFunction{Name: "inf", Value: FuncAIRF(math.Inf)},
|
||||
"is_inf": &objects.UserFunction{Name: "is_inf", Value: FuncAFIRB(math.IsInf)},
|
||||
"is_nan": &objects.UserFunction{Name: "is_nan", Value: FuncAFRB(math.IsNaN)},
|
||||
"j0": &objects.UserFunction{Name: "j0", Value: FuncAFRF(math.J0)},
|
||||
"j1": &objects.UserFunction{Name: "j1", Value: FuncAFRF(math.J1)},
|
||||
"jn": &objects.UserFunction{Name: "jn", Value: FuncAIFRF(math.Jn)},
|
||||
"ldexp": &objects.UserFunction{Name: "ldexp", Value: FuncAFIRF(math.Ldexp)},
|
||||
"log": &objects.UserFunction{Name: "log", Value: FuncAFRF(math.Log)},
|
||||
"log10": &objects.UserFunction{Name: "log10", Value: FuncAFRF(math.Log10)},
|
||||
"log1p": &objects.UserFunction{Name: "log1p", Value: FuncAFRF(math.Log1p)},
|
||||
"log2": &objects.UserFunction{Name: "log2", Value: FuncAFRF(math.Log2)},
|
||||
"logb": &objects.UserFunction{Name: "logb", Value: FuncAFRF(math.Logb)},
|
||||
"max": &objects.UserFunction{Name: "max", Value: FuncAFFRF(math.Max)},
|
||||
"min": &objects.UserFunction{Name: "min", Value: FuncAFFRF(math.Min)},
|
||||
"mod": &objects.UserFunction{Name: "mod", Value: FuncAFFRF(math.Mod)},
|
||||
"nan": &objects.UserFunction{Name: "nan", Value: FuncARF(math.NaN)},
|
||||
"nextafter": &objects.UserFunction{Name: "nextafter", Value: FuncAFFRF(math.Nextafter)},
|
||||
"pow": &objects.UserFunction{Name: "pow", Value: FuncAFFRF(math.Pow)},
|
||||
"pow10": &objects.UserFunction{Name: "pow10", Value: FuncAIRF(math.Pow10)},
|
||||
"remainder": &objects.UserFunction{Name: "remainder", Value: FuncAFFRF(math.Remainder)},
|
||||
"signbit": &objects.UserFunction{Name: "signbit", Value: FuncAFRB(math.Signbit)},
|
||||
"sin": &objects.UserFunction{Name: "sin", Value: FuncAFRF(math.Sin)},
|
||||
"sinh": &objects.UserFunction{Name: "sinh", Value: FuncAFRF(math.Sinh)},
|
||||
"sqrt": &objects.UserFunction{Name: "sqrt", Value: FuncAFRF(math.Sqrt)},
|
||||
"tan": &objects.UserFunction{Name: "tan", Value: FuncAFRF(math.Tan)},
|
||||
"tanh": &objects.UserFunction{Name: "tanh", Value: FuncAFRF(math.Tanh)},
|
||||
"trunc": &objects.UserFunction{Name: "trunc", Value: FuncAFRF(math.Trunc)},
|
||||
"y0": &objects.UserFunction{Name: "y0", Value: FuncAFRF(math.Y0)},
|
||||
"y1": &objects.UserFunction{Name: "y1", Value: FuncAFRF(math.Y1)},
|
||||
"yn": &objects.UserFunction{Name: "yn", Value: FuncAIFRF(math.Yn)},
|
||||
}
|
||||
@ -0,0 +1,492 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"os/exec"
|
||||
|
||||
"github.com/d5/tengo"
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
var osModule = map[string]objects.Object{
|
||||
"o_rdonly": &objects.Int{Value: int64(os.O_RDONLY)},
|
||||
"o_wronly": &objects.Int{Value: int64(os.O_WRONLY)},
|
||||
"o_rdwr": &objects.Int{Value: int64(os.O_RDWR)},
|
||||
"o_append": &objects.Int{Value: int64(os.O_APPEND)},
|
||||
"o_create": &objects.Int{Value: int64(os.O_CREATE)},
|
||||
"o_excl": &objects.Int{Value: int64(os.O_EXCL)},
|
||||
"o_sync": &objects.Int{Value: int64(os.O_SYNC)},
|
||||
"o_trunc": &objects.Int{Value: int64(os.O_TRUNC)},
|
||||
"mode_dir": &objects.Int{Value: int64(os.ModeDir)},
|
||||
"mode_append": &objects.Int{Value: int64(os.ModeAppend)},
|
||||
"mode_exclusive": &objects.Int{Value: int64(os.ModeExclusive)},
|
||||
"mode_temporary": &objects.Int{Value: int64(os.ModeTemporary)},
|
||||
"mode_symlink": &objects.Int{Value: int64(os.ModeSymlink)},
|
||||
"mode_device": &objects.Int{Value: int64(os.ModeDevice)},
|
||||
"mode_named_pipe": &objects.Int{Value: int64(os.ModeNamedPipe)},
|
||||
"mode_socket": &objects.Int{Value: int64(os.ModeSocket)},
|
||||
"mode_setuid": &objects.Int{Value: int64(os.ModeSetuid)},
|
||||
"mode_setgui": &objects.Int{Value: int64(os.ModeSetgid)},
|
||||
"mode_char_device": &objects.Int{Value: int64(os.ModeCharDevice)},
|
||||
"mode_sticky": &objects.Int{Value: int64(os.ModeSticky)},
|
||||
"mode_type": &objects.Int{Value: int64(os.ModeType)},
|
||||
"mode_perm": &objects.Int{Value: int64(os.ModePerm)},
|
||||
"path_separator": &objects.Char{Value: os.PathSeparator},
|
||||
"path_list_separator": &objects.Char{Value: os.PathListSeparator},
|
||||
"dev_null": &objects.String{Value: os.DevNull},
|
||||
"seek_set": &objects.Int{Value: int64(io.SeekStart)},
|
||||
"seek_cur": &objects.Int{Value: int64(io.SeekCurrent)},
|
||||
"seek_end": &objects.Int{Value: int64(io.SeekEnd)},
|
||||
"args": &objects.UserFunction{Name: "args", Value: osArgs}, // args() => array(string)
|
||||
"chdir": &objects.UserFunction{Name: "chdir", Value: FuncASRE(os.Chdir)}, // chdir(dir string) => error
|
||||
"chmod": osFuncASFmRE("chmod", os.Chmod), // chmod(name string, mode int) => error
|
||||
"chown": &objects.UserFunction{Name: "chown", Value: FuncASIIRE(os.Chown)}, // chown(name string, uid int, gid int) => error
|
||||
"clearenv": &objects.UserFunction{Name: "clearenv", Value: FuncAR(os.Clearenv)}, // clearenv()
|
||||
"environ": &objects.UserFunction{Name: "environ", Value: FuncARSs(os.Environ)}, // environ() => array(string)
|
||||
"exit": &objects.UserFunction{Name: "exit", Value: FuncAIR(os.Exit)}, // exit(code int)
|
||||
"expand_env": &objects.UserFunction{Name: "expand_env", Value: osExpandEnv}, // expand_env(s string) => string
|
||||
"getegid": &objects.UserFunction{Name: "getegid", Value: FuncARI(os.Getegid)}, // getegid() => int
|
||||
"getenv": &objects.UserFunction{Name: "getenv", Value: FuncASRS(os.Getenv)}, // getenv(s string) => string
|
||||
"geteuid": &objects.UserFunction{Name: "geteuid", Value: FuncARI(os.Geteuid)}, // geteuid() => int
|
||||
"getgid": &objects.UserFunction{Name: "getgid", Value: FuncARI(os.Getgid)}, // getgid() => int
|
||||
"getgroups": &objects.UserFunction{Name: "getgroups", Value: FuncARIsE(os.Getgroups)}, // getgroups() => array(string)/error
|
||||
"getpagesize": &objects.UserFunction{Name: "getpagesize", Value: FuncARI(os.Getpagesize)}, // getpagesize() => int
|
||||
"getpid": &objects.UserFunction{Name: "getpid", Value: FuncARI(os.Getpid)}, // getpid() => int
|
||||
"getppid": &objects.UserFunction{Name: "getppid", Value: FuncARI(os.Getppid)}, // getppid() => int
|
||||
"getuid": &objects.UserFunction{Name: "getuid", Value: FuncARI(os.Getuid)}, // getuid() => int
|
||||
"getwd": &objects.UserFunction{Name: "getwd", Value: FuncARSE(os.Getwd)}, // getwd() => string/error
|
||||
"hostname": &objects.UserFunction{Name: "hostname", Value: FuncARSE(os.Hostname)}, // hostname() => string/error
|
||||
"lchown": &objects.UserFunction{Name: "lchown", Value: FuncASIIRE(os.Lchown)}, // lchown(name string, uid int, gid int) => error
|
||||
"link": &objects.UserFunction{Name: "link", Value: FuncASSRE(os.Link)}, // link(oldname string, newname string) => error
|
||||
"lookup_env": &objects.UserFunction{Name: "lookup_env", Value: osLookupEnv}, // lookup_env(key string) => string/false
|
||||
"mkdir": osFuncASFmRE("mkdir", os.Mkdir), // mkdir(name string, perm int) => error
|
||||
"mkdir_all": osFuncASFmRE("mkdir_all", os.MkdirAll), // mkdir_all(name string, perm int) => error
|
||||
"readlink": &objects.UserFunction{Name: "readlink", Value: FuncASRSE(os.Readlink)}, // readlink(name string) => string/error
|
||||
"remove": &objects.UserFunction{Name: "remove", Value: FuncASRE(os.Remove)}, // remove(name string) => error
|
||||
"remove_all": &objects.UserFunction{Name: "remove_all", Value: FuncASRE(os.RemoveAll)}, // remove_all(name string) => error
|
||||
"rename": &objects.UserFunction{Name: "rename", Value: FuncASSRE(os.Rename)}, // rename(oldpath string, newpath string) => error
|
||||
"setenv": &objects.UserFunction{Name: "setenv", Value: FuncASSRE(os.Setenv)}, // setenv(key string, value string) => error
|
||||
"symlink": &objects.UserFunction{Name: "symlink", Value: FuncASSRE(os.Symlink)}, // symlink(oldname string newname string) => error
|
||||
"temp_dir": &objects.UserFunction{Name: "temp_dir", Value: FuncARS(os.TempDir)}, // temp_dir() => string
|
||||
"truncate": &objects.UserFunction{Name: "truncate", Value: FuncASI64RE(os.Truncate)}, // truncate(name string, size int) => error
|
||||
"unsetenv": &objects.UserFunction{Name: "unsetenv", Value: FuncASRE(os.Unsetenv)}, // unsetenv(key string) => error
|
||||
"create": &objects.UserFunction{Name: "create", Value: osCreate}, // create(name string) => imap(file)/error
|
||||
"open": &objects.UserFunction{Name: "open", Value: osOpen}, // open(name string) => imap(file)/error
|
||||
"open_file": &objects.UserFunction{Name: "open_file", Value: osOpenFile}, // open_file(name string, flag int, perm int) => imap(file)/error
|
||||
"find_process": &objects.UserFunction{Name: "find_process", Value: osFindProcess}, // find_process(pid int) => imap(process)/error
|
||||
"start_process": &objects.UserFunction{Name: "start_process", Value: osStartProcess}, // start_process(name string, argv array(string), dir string, env array(string)) => imap(process)/error
|
||||
"exec_look_path": &objects.UserFunction{Name: "exec_look_path", Value: FuncASRSE(exec.LookPath)}, // exec_look_path(file) => string/error
|
||||
"exec": &objects.UserFunction{Name: "exec", Value: osExec}, // exec(name, args...) => command
|
||||
"stat": &objects.UserFunction{Name: "stat", Value: osStat}, // stat(name) => imap(fileinfo)/error
|
||||
"read_file": &objects.UserFunction{Name: "read_file", Value: osReadFile}, // readfile(name) => array(byte)/error
|
||||
}
|
||||
|
||||
func osReadFile(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
fname, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
bytes, err := ioutil.ReadFile(fname)
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
if len(bytes) > tengo.MaxBytesLen {
|
||||
return nil, objects.ErrBytesLimit
|
||||
}
|
||||
|
||||
return &objects.Bytes{Value: bytes}, nil
|
||||
}
|
||||
|
||||
func osStat(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
fname, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
stat, err := os.Stat(fname)
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
fstat := &objects.ImmutableMap{
|
||||
Value: map[string]objects.Object{
|
||||
"name": &objects.String{Value: stat.Name()},
|
||||
"mtime": &objects.Time{Value: stat.ModTime()},
|
||||
"size": &objects.Int{Value: stat.Size()},
|
||||
"mode": &objects.Int{Value: int64(stat.Mode())},
|
||||
},
|
||||
}
|
||||
|
||||
if stat.IsDir() {
|
||||
fstat.Value["directory"] = objects.TrueValue
|
||||
} else {
|
||||
fstat.Value["directory"] = objects.FalseValue
|
||||
}
|
||||
|
||||
return fstat, nil
|
||||
}
|
||||
|
||||
func osCreate(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
res, err := os.Create(s1)
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
return makeOSFile(res), nil
|
||||
}
|
||||
|
||||
func osOpen(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
res, err := os.Open(s1)
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
return makeOSFile(res), nil
|
||||
}
|
||||
|
||||
func osOpenFile(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 3 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
i3, ok := objects.ToInt(args[2])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
res, err := os.OpenFile(s1, i2, os.FileMode(i3))
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
return makeOSFile(res), nil
|
||||
}
|
||||
|
||||
func osArgs(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 0 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
arr := &objects.Array{}
|
||||
for _, osArg := range os.Args {
|
||||
if len(osArg) > tengo.MaxStringLen {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
arr.Value = append(arr.Value, &objects.String{Value: osArg})
|
||||
}
|
||||
|
||||
return arr, nil
|
||||
}
|
||||
|
||||
func osFuncASFmRE(name string, fn func(string, os.FileMode) error) *objects.UserFunction {
|
||||
return &objects.UserFunction{
|
||||
Name: name,
|
||||
Value: func(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 2 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
i2, ok := objects.ToInt64(args[1])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
return wrapError(fn(s1, os.FileMode(i2))), nil
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func osLookupEnv(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
res, ok := os.LookupEnv(s1)
|
||||
if !ok {
|
||||
return objects.FalseValue, nil
|
||||
}
|
||||
|
||||
if len(res) > tengo.MaxStringLen {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
return &objects.String{Value: res}, nil
|
||||
}
|
||||
|
||||
func osExpandEnv(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
var vlen int
|
||||
var failed bool
|
||||
s := os.Expand(s1, func(k string) string {
|
||||
if failed {
|
||||
return ""
|
||||
}
|
||||
|
||||
v := os.Getenv(k)
|
||||
|
||||
// this does not count the other texts that are not being replaced
|
||||
// but the code checks the final length at the end
|
||||
vlen += len(v)
|
||||
if vlen > tengo.MaxStringLen {
|
||||
failed = true
|
||||
return ""
|
||||
}
|
||||
|
||||
return v
|
||||
})
|
||||
|
||||
if failed || len(s) > tengo.MaxStringLen {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
return &objects.String{Value: s}, nil
|
||||
}
|
||||
|
||||
func osExec(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) == 0 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
name, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
var execArgs []string
|
||||
for idx, arg := range args[1:] {
|
||||
execArg, ok := objects.ToString(arg)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: fmt.Sprintf("args[%d]", idx),
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1+idx].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
execArgs = append(execArgs, execArg)
|
||||
}
|
||||
|
||||
return makeOSExecCommand(exec.Command(name, execArgs...)), nil
|
||||
}
|
||||
|
||||
func osFindProcess(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
proc, err := os.FindProcess(i1)
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
return makeOSProcess(proc), nil
|
||||
}
|
||||
|
||||
func osStartProcess(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 4 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
name, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
var argv []string
|
||||
var err error
|
||||
switch arg1 := args[1].(type) {
|
||||
case *objects.Array:
|
||||
argv, err = stringArray(arg1.Value, "second")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
case *objects.ImmutableArray:
|
||||
argv, err = stringArray(arg1.Value, "second")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
default:
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "array",
|
||||
Found: arg1.TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
dir, ok := objects.ToString(args[2])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
var env []string
|
||||
switch arg3 := args[3].(type) {
|
||||
case *objects.Array:
|
||||
env, err = stringArray(arg3.Value, "fourth")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
case *objects.ImmutableArray:
|
||||
env, err = stringArray(arg3.Value, "fourth")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
default:
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "fourth",
|
||||
Expected: "array",
|
||||
Found: arg3.TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
proc, err := os.StartProcess(name, argv, &os.ProcAttr{
|
||||
Dir: dir,
|
||||
Env: env,
|
||||
})
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
return makeOSProcess(proc), nil
|
||||
}
|
||||
|
||||
func stringArray(arr []objects.Object, argName string) ([]string, error) {
|
||||
var sarr []string
|
||||
for idx, elem := range arr {
|
||||
str, ok := elem.(*objects.String)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: fmt.Sprintf("%s[%d]", argName, idx),
|
||||
Expected: "string",
|
||||
Found: elem.TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
sarr = append(sarr, str.Value)
|
||||
}
|
||||
|
||||
return sarr, nil
|
||||
}
|
||||
@ -0,0 +1,113 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"os/exec"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
func makeOSExecCommand(cmd *exec.Cmd) *objects.ImmutableMap {
|
||||
return &objects.ImmutableMap{
|
||||
Value: map[string]objects.Object{
|
||||
// combined_output() => bytes/error
|
||||
"combined_output": &objects.UserFunction{Name: "combined_output", Value: FuncARYE(cmd.CombinedOutput)}, //
|
||||
// output() => bytes/error
|
||||
"output": &objects.UserFunction{Name: "output", Value: FuncARYE(cmd.Output)}, //
|
||||
// run() => error
|
||||
"run": &objects.UserFunction{Name: "run", Value: FuncARE(cmd.Run)}, //
|
||||
// start() => error
|
||||
"start": &objects.UserFunction{Name: "start", Value: FuncARE(cmd.Start)}, //
|
||||
// wait() => error
|
||||
"wait": &objects.UserFunction{Name: "wait", Value: FuncARE(cmd.Wait)}, //
|
||||
// set_path(path string)
|
||||
"set_path": &objects.UserFunction{
|
||||
Name: "set_path",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
cmd.Path = s1
|
||||
|
||||
return objects.UndefinedValue, nil
|
||||
},
|
||||
},
|
||||
// set_dir(dir string)
|
||||
"set_dir": &objects.UserFunction{
|
||||
Name: "set_dir",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
cmd.Dir = s1
|
||||
|
||||
return objects.UndefinedValue, nil
|
||||
},
|
||||
},
|
||||
// set_env(env array(string))
|
||||
"set_env": &objects.UserFunction{
|
||||
Name: "set_env",
|
||||
Value: func(args ...objects.Object) (objects.Object, error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
var env []string
|
||||
var err error
|
||||
switch arg0 := args[0].(type) {
|
||||
case *objects.Array:
|
||||
env, err = stringArray(arg0.Value, "first")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
case *objects.ImmutableArray:
|
||||
env, err = stringArray(arg0.Value, "first")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
default:
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "array",
|
||||
Found: arg0.TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
cmd.Env = env
|
||||
|
||||
return objects.UndefinedValue, nil
|
||||
},
|
||||
},
|
||||
// process() => imap(process)
|
||||
"process": &objects.UserFunction{
|
||||
Name: "process",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 0 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
return makeOSProcess(cmd.Process), nil
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,96 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"os"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
func makeOSFile(file *os.File) *objects.ImmutableMap {
|
||||
return &objects.ImmutableMap{
|
||||
Value: map[string]objects.Object{
|
||||
// chdir() => true/error
|
||||
"chdir": &objects.UserFunction{Name: "chdir", Value: FuncARE(file.Chdir)}, //
|
||||
// chown(uid int, gid int) => true/error
|
||||
"chown": &objects.UserFunction{Name: "chown", Value: FuncAIIRE(file.Chown)}, //
|
||||
// close() => error
|
||||
"close": &objects.UserFunction{Name: "close", Value: FuncARE(file.Close)}, //
|
||||
// name() => string
|
||||
"name": &objects.UserFunction{Name: "name", Value: FuncARS(file.Name)}, //
|
||||
// readdirnames(n int) => array(string)/error
|
||||
"readdirnames": &objects.UserFunction{Name: "readdirnames", Value: FuncAIRSsE(file.Readdirnames)}, //
|
||||
// sync() => error
|
||||
"sync": &objects.UserFunction{Name: "sync", Value: FuncARE(file.Sync)}, //
|
||||
// write(bytes) => int/error
|
||||
"write": &objects.UserFunction{Name: "write", Value: FuncAYRIE(file.Write)}, //
|
||||
// write(string) => int/error
|
||||
"write_string": &objects.UserFunction{Name: "write_string", Value: FuncASRIE(file.WriteString)}, //
|
||||
// read(bytes) => int/error
|
||||
"read": &objects.UserFunction{Name: "read", Value: FuncAYRIE(file.Read)}, //
|
||||
// chmod(mode int) => error
|
||||
"chmod": &objects.UserFunction{
|
||||
Name: "chmod",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
return wrapError(file.Chmod(os.FileMode(i1))), nil
|
||||
},
|
||||
},
|
||||
// seek(offset int, whence int) => int/error
|
||||
"seek": &objects.UserFunction{
|
||||
Name: "seek",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
res, err := file.Seek(i1, i2)
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
return &objects.Int{Value: res}, nil
|
||||
},
|
||||
},
|
||||
// stat() => imap(fileinfo)/error
|
||||
"stat": &objects.UserFunction{
|
||||
Name: "start",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 0 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
return osStat(&objects.String{Value: file.Name()})
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,62 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"os"
|
||||
"syscall"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
func makeOSProcessState(state *os.ProcessState) *objects.ImmutableMap {
|
||||
return &objects.ImmutableMap{
|
||||
Value: map[string]objects.Object{
|
||||
"exited": &objects.UserFunction{Name: "exited", Value: FuncARB(state.Exited)}, //
|
||||
"pid": &objects.UserFunction{Name: "pid", Value: FuncARI(state.Pid)}, //
|
||||
"string": &objects.UserFunction{Name: "string", Value: FuncARS(state.String)}, //
|
||||
"success": &objects.UserFunction{Name: "success", Value: FuncARB(state.Success)}, //
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func makeOSProcess(proc *os.Process) *objects.ImmutableMap {
|
||||
return &objects.ImmutableMap{
|
||||
Value: map[string]objects.Object{
|
||||
"kill": &objects.UserFunction{Name: "kill", Value: FuncARE(proc.Kill)}, //
|
||||
"release": &objects.UserFunction{Name: "release", Value: FuncARE(proc.Release)}, //
|
||||
"signal": &objects.UserFunction{
|
||||
Name: "signal",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
return wrapError(proc.Signal(syscall.Signal(i1))), nil
|
||||
},
|
||||
},
|
||||
"wait": &objects.UserFunction{
|
||||
Name: "wait",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 0 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
state, err := proc.Wait()
|
||||
if err != nil {
|
||||
return wrapError(err), nil
|
||||
}
|
||||
|
||||
return makeOSProcessState(state), nil
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,102 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"math/rand"
|
||||
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
var randModule = map[string]objects.Object{
|
||||
"int": &objects.UserFunction{Name: "int", Value: FuncARI64(rand.Int63)},
|
||||
"float": &objects.UserFunction{Name: "float", Value: FuncARF(rand.Float64)},
|
||||
"intn": &objects.UserFunction{Name: "intn", Value: FuncAI64RI64(rand.Int63n)},
|
||||
"exp_float": &objects.UserFunction{Name: "exp_float", Value: FuncARF(rand.ExpFloat64)},
|
||||
"norm_float": &objects.UserFunction{Name: "norm_float", Value: FuncARF(rand.NormFloat64)},
|
||||
"perm": &objects.UserFunction{Name: "perm", Value: FuncAIRIs(rand.Perm)},
|
||||
"seed": &objects.UserFunction{Name: "seed", Value: FuncAI64R(rand.Seed)},
|
||||
"read": &objects.UserFunction{
|
||||
Name: "read",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
y1, ok := args[0].(*objects.Bytes)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "bytes",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
res, err := rand.Read(y1.Value)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
return &objects.Int{Value: int64(res)}, nil
|
||||
},
|
||||
},
|
||||
"rand": &objects.UserFunction{
|
||||
Name: "rand",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
src := rand.NewSource(i1)
|
||||
|
||||
return randRand(rand.New(src)), nil
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
func randRand(r *rand.Rand) *objects.ImmutableMap {
|
||||
return &objects.ImmutableMap{
|
||||
Value: map[string]objects.Object{
|
||||
"int": &objects.UserFunction{Name: "int", Value: FuncARI64(r.Int63)},
|
||||
"float": &objects.UserFunction{Name: "float", Value: FuncARF(r.Float64)},
|
||||
"intn": &objects.UserFunction{Name: "intn", Value: FuncAI64RI64(r.Int63n)},
|
||||
"exp_float": &objects.UserFunction{Name: "exp_float", Value: FuncARF(r.ExpFloat64)},
|
||||
"norm_float": &objects.UserFunction{Name: "norm_float", Value: FuncARF(r.NormFloat64)},
|
||||
"perm": &objects.UserFunction{Name: "perm", Value: FuncAIRIs(r.Perm)},
|
||||
"seed": &objects.UserFunction{Name: "seed", Value: FuncAI64R(r.Seed)},
|
||||
"read": &objects.UserFunction{
|
||||
Name: "read",
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
y1, ok := args[0].(*objects.Bytes)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "bytes",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
res, err := r.Read(y1.Value)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
return &objects.Int{Value: int64(res)}, nil
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,8 @@
|
||||
// Code generated using gensrcmods.go; DO NOT EDIT.
|
||||
|
||||
package stdlib
|
||||
|
||||
// SourceModules are source type standard library modules.
|
||||
var SourceModules = map[string]string{
|
||||
"enum": "is_enumerable := func(x) {\n return is_array(x) || is_map(x) || is_immutable_array(x) || is_immutable_map(x)\n}\n\nis_array_like := func(x) {\n return is_array(x) || is_immutable_array(x)\n}\n\nexport {\n // all returns true if the given function `fn` evaluates to a truthy value on\n // all of the items in `x`. It returns undefined if `x` is not enumerable.\n all: func(x, fn) {\n if !is_enumerable(x) { return undefined }\n\n for k, v in x {\n if !fn(k, v) { return false }\n }\n\n return true\n },\n // any returns true if the given function `fn` evaluates to a truthy value on\n // any of the items in `x`. It returns undefined if `x` is not enumerable.\n any: func(x, fn) {\n if !is_enumerable(x) { return undefined }\n\n for k, v in x {\n if fn(k, v) { return true }\n }\n\n return false\n },\n // chunk returns an array of elements split into groups the length of size.\n // If `x` can't be split evenly, the final chunk will be the remaining elements.\n // It returns undefined if `x` is not array.\n chunk: func(x, size) {\n if !is_array_like(x) || !size { return undefined }\n\n numElements := len(x)\n if !numElements { return [] }\n\n res := []\n idx := 0\n for idx < numElements {\n res = append(res, x[idx:idx+size])\n idx += size\n }\n\n return res\n },\n // at returns an element at the given index (if `x` is array) or\n // key (if `x` is map). It returns undefined if `x` is not enumerable.\n at: func(x, key) {\n if !is_enumerable(x) { return undefined }\n\n if is_array_like(x) {\n if !is_int(key) { return undefined }\n } else {\n if !is_string(key) { return undefined }\n }\n\n return x[key]\n },\n // each iterates over elements of `x` and invokes `fn` for each element. `fn` is\n // invoked with two arguments: `key` and `value`. `key` is an int index\n // if `x` is array. `key` is a string key if `x` is map. It does not iterate\n // and returns undefined if `x` is not enumerable.\n each: func(x, fn) {\n if !is_enumerable(x) { return undefined }\n\n for k, v in x {\n fn(k, v)\n }\n },\n // filter iterates over elements of `x`, returning an array of all elements `fn`\n // returns truthy for. `fn` is invoked with two arguments: `key` and `value`.\n // `key` is an int index if `x` is array. `key` is a string key if `x` is map.\n // It returns undefined if `x` is not enumerable.\n filter: func(x, fn) {\n if !is_array_like(x) { return undefined }\n\n dst := []\n for k, v in x {\n if fn(k, v) { dst = append(dst, v) }\n }\n\n return dst\n },\n // find iterates over elements of `x`, returning value of the first element `fn`\n // returns truthy for. `fn` is invoked with two arguments: `key` and `value`.\n // `key` is an int index if `x` is array. `key` is a string key if `x` is map.\n // It returns undefined if `x` is not enumerable.\n find: func(x, fn) {\n if !is_enumerable(x) { return undefined }\n\n for k, v in x {\n if fn(k, v) { return v }\n }\n },\n // find_key iterates over elements of `x`, returning key or index of the first\n // element `fn` returns truthy for. `fn` is invoked with two arguments: `key`\n // and `value`. `key` is an int index if `x` is array. `key` is a string key if\n // `x` is map. It returns undefined if `x` is not enumerable.\n find_key: func(x, fn) {\n if !is_enumerable(x) { return undefined }\n\n for k, v in x {\n if fn(k, v) { return k }\n }\n },\n // map creates an array of values by running each element in `x` through `fn`.\n // `fn` is invoked with two arguments: `key` and `value`. `key` is an int index\n // if `x` is array. `key` is a string key if `x` is map. It returns undefined\n // if `x` is not enumerable.\n map: func(x, fn) {\n if !is_enumerable(x) { return undefined }\n\n dst := []\n for k, v in x {\n dst = append(dst, fn(k, v))\n }\n\n return dst\n },\n // key returns the first argument.\n key: func(k, _) { return k },\n // value returns the second argument.\n value: func(_, v) { return v }\n}\n",
|
||||
}
|
||||
@ -0,0 +1,128 @@
|
||||
is_enumerable := func(x) {
|
||||
return is_array(x) || is_map(x) || is_immutable_array(x) || is_immutable_map(x)
|
||||
}
|
||||
|
||||
is_array_like := func(x) {
|
||||
return is_array(x) || is_immutable_array(x)
|
||||
}
|
||||
|
||||
export {
|
||||
// all returns true if the given function `fn` evaluates to a truthy value on
|
||||
// all of the items in `x`. It returns undefined if `x` is not enumerable.
|
||||
all: func(x, fn) {
|
||||
if !is_enumerable(x) { return undefined }
|
||||
|
||||
for k, v in x {
|
||||
if !fn(k, v) { return false }
|
||||
}
|
||||
|
||||
return true
|
||||
},
|
||||
// any returns true if the given function `fn` evaluates to a truthy value on
|
||||
// any of the items in `x`. It returns undefined if `x` is not enumerable.
|
||||
any: func(x, fn) {
|
||||
if !is_enumerable(x) { return undefined }
|
||||
|
||||
for k, v in x {
|
||||
if fn(k, v) { return true }
|
||||
}
|
||||
|
||||
return false
|
||||
},
|
||||
// chunk returns an array of elements split into groups the length of size.
|
||||
// If `x` can't be split evenly, the final chunk will be the remaining elements.
|
||||
// It returns undefined if `x` is not array.
|
||||
chunk: func(x, size) {
|
||||
if !is_array_like(x) || !size { return undefined }
|
||||
|
||||
numElements := len(x)
|
||||
if !numElements { return [] }
|
||||
|
||||
res := []
|
||||
idx := 0
|
||||
for idx < numElements {
|
||||
res = append(res, x[idx:idx+size])
|
||||
idx += size
|
||||
}
|
||||
|
||||
return res
|
||||
},
|
||||
// at returns an element at the given index (if `x` is array) or
|
||||
// key (if `x` is map). It returns undefined if `x` is not enumerable.
|
||||
at: func(x, key) {
|
||||
if !is_enumerable(x) { return undefined }
|
||||
|
||||
if is_array_like(x) {
|
||||
if !is_int(key) { return undefined }
|
||||
} else {
|
||||
if !is_string(key) { return undefined }
|
||||
}
|
||||
|
||||
return x[key]
|
||||
},
|
||||
// each iterates over elements of `x` and invokes `fn` for each element. `fn` is
|
||||
// invoked with two arguments: `key` and `value`. `key` is an int index
|
||||
// if `x` is array. `key` is a string key if `x` is map. It does not iterate
|
||||
// and returns undefined if `x` is not enumerable.
|
||||
each: func(x, fn) {
|
||||
if !is_enumerable(x) { return undefined }
|
||||
|
||||
for k, v in x {
|
||||
fn(k, v)
|
||||
}
|
||||
},
|
||||
// filter iterates over elements of `x`, returning an array of all elements `fn`
|
||||
// returns truthy for. `fn` is invoked with two arguments: `key` and `value`.
|
||||
// `key` is an int index if `x` is array. `key` is a string key if `x` is map.
|
||||
// It returns undefined if `x` is not enumerable.
|
||||
filter: func(x, fn) {
|
||||
if !is_array_like(x) { return undefined }
|
||||
|
||||
dst := []
|
||||
for k, v in x {
|
||||
if fn(k, v) { dst = append(dst, v) }
|
||||
}
|
||||
|
||||
return dst
|
||||
},
|
||||
// find iterates over elements of `x`, returning value of the first element `fn`
|
||||
// returns truthy for. `fn` is invoked with two arguments: `key` and `value`.
|
||||
// `key` is an int index if `x` is array. `key` is a string key if `x` is map.
|
||||
// It returns undefined if `x` is not enumerable.
|
||||
find: func(x, fn) {
|
||||
if !is_enumerable(x) { return undefined }
|
||||
|
||||
for k, v in x {
|
||||
if fn(k, v) { return v }
|
||||
}
|
||||
},
|
||||
// find_key iterates over elements of `x`, returning key or index of the first
|
||||
// element `fn` returns truthy for. `fn` is invoked with two arguments: `key`
|
||||
// and `value`. `key` is an int index if `x` is array. `key` is a string key if
|
||||
// `x` is map. It returns undefined if `x` is not enumerable.
|
||||
find_key: func(x, fn) {
|
||||
if !is_enumerable(x) { return undefined }
|
||||
|
||||
for k, v in x {
|
||||
if fn(k, v) { return k }
|
||||
}
|
||||
},
|
||||
// map creates an array of values by running each element in `x` through `fn`.
|
||||
// `fn` is invoked with two arguments: `key` and `value`. `key` is an int index
|
||||
// if `x` is array. `key` is a string key if `x` is map. It returns undefined
|
||||
// if `x` is not enumerable.
|
||||
map: func(x, fn) {
|
||||
if !is_enumerable(x) { return undefined }
|
||||
|
||||
dst := []
|
||||
for k, v in x {
|
||||
dst = append(dst, fn(k, v))
|
||||
}
|
||||
|
||||
return dst
|
||||
},
|
||||
// key returns the first argument.
|
||||
key: func(k, _) { return k },
|
||||
// value returns the second argument.
|
||||
value: func(_, v) { return v }
|
||||
}
|
||||
@ -0,0 +1,34 @@
|
||||
package stdlib
|
||||
|
||||
//go:generate go run gensrcmods.go
|
||||
|
||||
import "github.com/d5/tengo/objects"
|
||||
|
||||
// AllModuleNames returns a list of all default module names.
|
||||
func AllModuleNames() []string {
|
||||
var names []string
|
||||
for name := range BuiltinModules {
|
||||
names = append(names, name)
|
||||
}
|
||||
for name := range SourceModules {
|
||||
names = append(names, name)
|
||||
}
|
||||
return names
|
||||
}
|
||||
|
||||
// GetModuleMap returns the module map that includes all modules
|
||||
// for the given module names.
|
||||
func GetModuleMap(names ...string) *objects.ModuleMap {
|
||||
modules := objects.NewModuleMap()
|
||||
|
||||
for _, name := range names {
|
||||
if mod := BuiltinModules[name]; mod != nil {
|
||||
modules.AddBuiltinModule(name, mod)
|
||||
}
|
||||
if mod := SourceModules[name]; mod != "" {
|
||||
modules.AddSourceModule(name, []byte(mod))
|
||||
}
|
||||
}
|
||||
|
||||
return modules
|
||||
}
|
||||
@ -0,0 +1,737 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"regexp"
|
||||
"strconv"
|
||||
"strings"
|
||||
"unicode/utf8"
|
||||
|
||||
"github.com/d5/tengo"
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
var textModule = map[string]objects.Object{
|
||||
"re_match": &objects.UserFunction{Name: "re_match", Value: textREMatch}, // re_match(pattern, text) => bool/error
|
||||
"re_find": &objects.UserFunction{Name: "re_find", Value: textREFind}, // re_find(pattern, text, count) => [[{text:,begin:,end:}]]/undefined
|
||||
"re_replace": &objects.UserFunction{Name: "re_replace", Value: textREReplace}, // re_replace(pattern, text, repl) => string/error
|
||||
"re_split": &objects.UserFunction{Name: "re_split", Value: textRESplit}, // re_split(pattern, text, count) => [string]/error
|
||||
"re_compile": &objects.UserFunction{Name: "re_compile", Value: textRECompile}, // re_compile(pattern) => Regexp/error
|
||||
"compare": &objects.UserFunction{Name: "compare", Value: FuncASSRI(strings.Compare)}, // compare(a, b) => int
|
||||
"contains": &objects.UserFunction{Name: "contains", Value: FuncASSRB(strings.Contains)}, // contains(s, substr) => bool
|
||||
"contains_any": &objects.UserFunction{Name: "contains_any", Value: FuncASSRB(strings.ContainsAny)}, // contains_any(s, chars) => bool
|
||||
"count": &objects.UserFunction{Name: "count", Value: FuncASSRI(strings.Count)}, // count(s, substr) => int
|
||||
"equal_fold": &objects.UserFunction{Name: "equal_fold", Value: FuncASSRB(strings.EqualFold)}, // "equal_fold(s, t) => bool
|
||||
"fields": &objects.UserFunction{Name: "fields", Value: FuncASRSs(strings.Fields)}, // fields(s) => [string]
|
||||
"has_prefix": &objects.UserFunction{Name: "has_prefix", Value: FuncASSRB(strings.HasPrefix)}, // has_prefix(s, prefix) => bool
|
||||
"has_suffix": &objects.UserFunction{Name: "has_suffix", Value: FuncASSRB(strings.HasSuffix)}, // has_suffix(s, suffix) => bool
|
||||
"index": &objects.UserFunction{Name: "index", Value: FuncASSRI(strings.Index)}, // index(s, substr) => int
|
||||
"index_any": &objects.UserFunction{Name: "index_any", Value: FuncASSRI(strings.IndexAny)}, // index_any(s, chars) => int
|
||||
"join": &objects.UserFunction{Name: "join", Value: textJoin}, // join(arr, sep) => string
|
||||
"last_index": &objects.UserFunction{Name: "last_index", Value: FuncASSRI(strings.LastIndex)}, // last_index(s, substr) => int
|
||||
"last_index_any": &objects.UserFunction{Name: "last_index_any", Value: FuncASSRI(strings.LastIndexAny)}, // last_index_any(s, chars) => int
|
||||
"repeat": &objects.UserFunction{Name: "repeat", Value: textRepeat}, // repeat(s, count) => string
|
||||
"replace": &objects.UserFunction{Name: "replace", Value: textReplace}, // replace(s, old, new, n) => string
|
||||
"split": &objects.UserFunction{Name: "split", Value: FuncASSRSs(strings.Split)}, // split(s, sep) => [string]
|
||||
"split_after": &objects.UserFunction{Name: "split_after", Value: FuncASSRSs(strings.SplitAfter)}, // split_after(s, sep) => [string]
|
||||
"split_after_n": &objects.UserFunction{Name: "split_after_n", Value: FuncASSIRSs(strings.SplitAfterN)}, // split_after_n(s, sep, n) => [string]
|
||||
"split_n": &objects.UserFunction{Name: "split_n", Value: FuncASSIRSs(strings.SplitN)}, // split_n(s, sep, n) => [string]
|
||||
"title": &objects.UserFunction{Name: "title", Value: FuncASRS(strings.Title)}, // title(s) => string
|
||||
"to_lower": &objects.UserFunction{Name: "to_lower", Value: FuncASRS(strings.ToLower)}, // to_lower(s) => string
|
||||
"to_title": &objects.UserFunction{Name: "to_title", Value: FuncASRS(strings.ToTitle)}, // to_title(s) => string
|
||||
"to_upper": &objects.UserFunction{Name: "to_upper", Value: FuncASRS(strings.ToUpper)}, // to_upper(s) => string
|
||||
"trim_left": &objects.UserFunction{Name: "trim_left", Value: FuncASSRS(strings.TrimLeft)}, // trim_left(s, cutset) => string
|
||||
"trim_prefix": &objects.UserFunction{Name: "trim_prefix", Value: FuncASSRS(strings.TrimPrefix)}, // trim_prefix(s, prefix) => string
|
||||
"trim_right": &objects.UserFunction{Name: "trim_right", Value: FuncASSRS(strings.TrimRight)}, // trim_right(s, cutset) => string
|
||||
"trim_space": &objects.UserFunction{Name: "trim_space", Value: FuncASRS(strings.TrimSpace)}, // trim_space(s) => string
|
||||
"trim_suffix": &objects.UserFunction{Name: "trim_suffix", Value: FuncASSRS(strings.TrimSuffix)}, // trim_suffix(s, suffix) => string
|
||||
"atoi": &objects.UserFunction{Name: "atoi", Value: FuncASRIE(strconv.Atoi)}, // atoi(str) => int/error
|
||||
"format_bool": &objects.UserFunction{Name: "format_bool", Value: textFormatBool}, // format_bool(b) => string
|
||||
"format_float": &objects.UserFunction{Name: "format_float", Value: textFormatFloat}, // format_float(f, fmt, prec, bits) => string
|
||||
"format_int": &objects.UserFunction{Name: "format_int", Value: textFormatInt}, // format_int(i, base) => string
|
||||
"itoa": &objects.UserFunction{Name: "itoa", Value: FuncAIRS(strconv.Itoa)}, // itoa(i) => string
|
||||
"parse_bool": &objects.UserFunction{Name: "parse_bool", Value: textParseBool}, // parse_bool(str) => bool/error
|
||||
"parse_float": &objects.UserFunction{Name: "parse_float", Value: textParseFloat}, // parse_float(str, bits) => float/error
|
||||
"parse_int": &objects.UserFunction{Name: "parse_int", Value: textParseInt}, // parse_int(str, base, bits) => int/error
|
||||
"quote": &objects.UserFunction{Name: "quote", Value: FuncASRS(strconv.Quote)}, // quote(str) => string
|
||||
"unquote": &objects.UserFunction{Name: "unquote", Value: FuncASRSE(strconv.Unquote)}, // unquote(str) => string/error
|
||||
}
|
||||
|
||||
func textREMatch(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
matched, err := regexp.MatchString(s1, s2)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
if matched {
|
||||
ret = objects.TrueValue
|
||||
} else {
|
||||
ret = objects.FalseValue
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textREFind(args ...objects.Object) (ret objects.Object, err error) {
|
||||
numArgs := len(args)
|
||||
if numArgs != 2 && numArgs != 3 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
re, err := regexp.Compile(s1)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if numArgs < 3 {
|
||||
m := re.FindStringSubmatchIndex(s2)
|
||||
if m == nil {
|
||||
ret = objects.UndefinedValue
|
||||
return
|
||||
}
|
||||
|
||||
arr := &objects.Array{}
|
||||
for i := 0; i < len(m); i += 2 {
|
||||
arr.Value = append(arr.Value, &objects.ImmutableMap{Value: map[string]objects.Object{
|
||||
"text": &objects.String{Value: s2[m[i]:m[i+1]]},
|
||||
"begin": &objects.Int{Value: int64(m[i])},
|
||||
"end": &objects.Int{Value: int64(m[i+1])},
|
||||
}})
|
||||
}
|
||||
|
||||
ret = &objects.Array{Value: []objects.Object{arr}}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
i3, ok := objects.ToInt(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
m := re.FindAllStringSubmatchIndex(s2, i3)
|
||||
if m == nil {
|
||||
ret = objects.UndefinedValue
|
||||
return
|
||||
}
|
||||
|
||||
arr := &objects.Array{}
|
||||
for _, m := range m {
|
||||
subMatch := &objects.Array{}
|
||||
for i := 0; i < len(m); i += 2 {
|
||||
subMatch.Value = append(subMatch.Value, &objects.ImmutableMap{Value: map[string]objects.Object{
|
||||
"text": &objects.String{Value: s2[m[i]:m[i+1]]},
|
||||
"begin": &objects.Int{Value: int64(m[i])},
|
||||
"end": &objects.Int{Value: int64(m[i+1])},
|
||||
}})
|
||||
}
|
||||
|
||||
arr.Value = append(arr.Value, subMatch)
|
||||
}
|
||||
|
||||
ret = arr
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textREReplace(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 3 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s3, ok := objects.ToString(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
re, err := regexp.Compile(s1)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
} else {
|
||||
s, ok := doTextRegexpReplace(re, s2, s3)
|
||||
if !ok {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: s}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textRESplit(args ...objects.Object) (ret objects.Object, err error) {
|
||||
numArgs := len(args)
|
||||
if numArgs != 2 && numArgs != 3 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
var i3 = -1
|
||||
if numArgs > 2 {
|
||||
i3, ok = objects.ToInt(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
re, err := regexp.Compile(s1)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
arr := &objects.Array{}
|
||||
for _, s := range re.Split(s2, i3) {
|
||||
arr.Value = append(arr.Value, &objects.String{Value: s})
|
||||
}
|
||||
|
||||
ret = arr
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textRECompile(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
re, err := regexp.Compile(s1)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
} else {
|
||||
ret = makeTextRegexp(re)
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textReplace(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 4 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s3, ok := objects.ToString(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i4, ok := objects.ToInt(args[3])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "fourth",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[3].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s, ok := doTextReplace(s1, s2, s3, i4)
|
||||
if !ok {
|
||||
err = objects.ErrStringLimit
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: s}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textRepeat(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
if len(s1)*i2 > tengo.MaxStringLen {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
return &objects.String{Value: strings.Repeat(s1, i2)}, nil
|
||||
}
|
||||
|
||||
func textJoin(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
return nil, objects.ErrWrongNumArguments
|
||||
}
|
||||
|
||||
var slen int
|
||||
var ss1 []string
|
||||
switch arg0 := args[0].(type) {
|
||||
case *objects.Array:
|
||||
for idx, a := range arg0.Value {
|
||||
as, ok := objects.ToString(a)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: fmt.Sprintf("first[%d]", idx),
|
||||
Expected: "string(compatible)",
|
||||
Found: a.TypeName(),
|
||||
}
|
||||
}
|
||||
slen += len(as)
|
||||
ss1 = append(ss1, as)
|
||||
}
|
||||
case *objects.ImmutableArray:
|
||||
for idx, a := range arg0.Value {
|
||||
as, ok := objects.ToString(a)
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: fmt.Sprintf("first[%d]", idx),
|
||||
Expected: "string(compatible)",
|
||||
Found: a.TypeName(),
|
||||
}
|
||||
}
|
||||
slen += len(as)
|
||||
ss1 = append(ss1, as)
|
||||
}
|
||||
default:
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "array",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
return nil, objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
}
|
||||
|
||||
// make sure output length does not exceed the limit
|
||||
if slen+len(s2)*(len(ss1)-1) > tengo.MaxStringLen {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
return &objects.String{Value: strings.Join(ss1, s2)}, nil
|
||||
}
|
||||
|
||||
func textFormatBool(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
b1, ok := args[0].(*objects.Bool)
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "bool",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if b1 == objects.TrueValue {
|
||||
ret = &objects.String{Value: "true"}
|
||||
} else {
|
||||
ret = &objects.String{Value: "false"}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textFormatFloat(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 4 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
f1, ok := args[0].(*objects.Float)
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "float",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i3, ok := objects.ToInt(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i4, ok := objects.ToInt(args[3])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "fourth",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[3].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: strconv.FormatFloat(f1.Value, s2[0], i3, i4)}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textFormatInt(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := args[0].(*objects.Int)
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: strconv.FormatInt(i1.Value, i2)}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textParseBool(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := args[0].(*objects.String)
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
parsed, err := strconv.ParseBool(s1.Value)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
if parsed {
|
||||
ret = objects.TrueValue
|
||||
} else {
|
||||
ret = objects.FalseValue
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textParseFloat(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := args[0].(*objects.String)
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
parsed, err := strconv.ParseFloat(s1.Value, i2)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Float{Value: parsed}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func textParseInt(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 3 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := args[0].(*objects.String)
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i3, ok := objects.ToInt(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
parsed, err := strconv.ParseInt(s1.Value, i2, i3)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: parsed}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// Modified implementation of strings.Replace
|
||||
// to limit the maximum length of output string.
|
||||
func doTextReplace(s, old, new string, n int) (string, bool) {
|
||||
if old == new || n == 0 {
|
||||
return s, true // avoid allocation
|
||||
}
|
||||
|
||||
// Compute number of replacements.
|
||||
if m := strings.Count(s, old); m == 0 {
|
||||
return s, true // avoid allocation
|
||||
} else if n < 0 || m < n {
|
||||
n = m
|
||||
}
|
||||
|
||||
// Apply replacements to buffer.
|
||||
t := make([]byte, len(s)+n*(len(new)-len(old)))
|
||||
w := 0
|
||||
start := 0
|
||||
for i := 0; i < n; i++ {
|
||||
j := start
|
||||
if len(old) == 0 {
|
||||
if i > 0 {
|
||||
_, wid := utf8.DecodeRuneInString(s[start:])
|
||||
j += wid
|
||||
}
|
||||
} else {
|
||||
j += strings.Index(s[start:], old)
|
||||
}
|
||||
|
||||
ssj := s[start:j]
|
||||
if w+len(ssj)+len(new) > tengo.MaxStringLen {
|
||||
return "", false
|
||||
}
|
||||
|
||||
w += copy(t[w:], ssj)
|
||||
w += copy(t[w:], new)
|
||||
start = j + len(old)
|
||||
}
|
||||
|
||||
ss := s[start:]
|
||||
if w+len(ss) > tengo.MaxStringLen {
|
||||
return "", false
|
||||
}
|
||||
|
||||
w += copy(t[w:], ss)
|
||||
|
||||
return string(t[0:w]), true
|
||||
}
|
||||
@ -0,0 +1,228 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"regexp"
|
||||
|
||||
"github.com/d5/tengo"
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
func makeTextRegexp(re *regexp.Regexp) *objects.ImmutableMap {
|
||||
return &objects.ImmutableMap{
|
||||
Value: map[string]objects.Object{
|
||||
// match(text) => bool
|
||||
"match": &objects.UserFunction{
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if re.MatchString(s1) {
|
||||
ret = objects.TrueValue
|
||||
} else {
|
||||
ret = objects.FalseValue
|
||||
}
|
||||
|
||||
return
|
||||
},
|
||||
},
|
||||
|
||||
// find(text) => array(array({text:,begin:,end:}))/undefined
|
||||
// find(text, maxCount) => array(array({text:,begin:,end:}))/undefined
|
||||
"find": &objects.UserFunction{
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
numArgs := len(args)
|
||||
if numArgs != 1 && numArgs != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if numArgs == 1 {
|
||||
m := re.FindStringSubmatchIndex(s1)
|
||||
if m == nil {
|
||||
ret = objects.UndefinedValue
|
||||
return
|
||||
}
|
||||
|
||||
arr := &objects.Array{}
|
||||
for i := 0; i < len(m); i += 2 {
|
||||
arr.Value = append(arr.Value, &objects.ImmutableMap{Value: map[string]objects.Object{
|
||||
"text": &objects.String{Value: s1[m[i]:m[i+1]]},
|
||||
"begin": &objects.Int{Value: int64(m[i])},
|
||||
"end": &objects.Int{Value: int64(m[i+1])},
|
||||
}})
|
||||
}
|
||||
|
||||
ret = &objects.Array{Value: []objects.Object{arr}}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
m := re.FindAllStringSubmatchIndex(s1, i2)
|
||||
if m == nil {
|
||||
ret = objects.UndefinedValue
|
||||
return
|
||||
}
|
||||
|
||||
arr := &objects.Array{}
|
||||
for _, m := range m {
|
||||
subMatch := &objects.Array{}
|
||||
for i := 0; i < len(m); i += 2 {
|
||||
subMatch.Value = append(subMatch.Value, &objects.ImmutableMap{Value: map[string]objects.Object{
|
||||
"text": &objects.String{Value: s1[m[i]:m[i+1]]},
|
||||
"begin": &objects.Int{Value: int64(m[i])},
|
||||
"end": &objects.Int{Value: int64(m[i+1])},
|
||||
}})
|
||||
}
|
||||
|
||||
arr.Value = append(arr.Value, subMatch)
|
||||
}
|
||||
|
||||
ret = arr
|
||||
|
||||
return
|
||||
},
|
||||
},
|
||||
|
||||
// replace(src, repl) => string
|
||||
"replace": &objects.UserFunction{
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s, ok := doTextRegexpReplace(re, s1, s2)
|
||||
if !ok {
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: s}
|
||||
|
||||
return
|
||||
},
|
||||
},
|
||||
|
||||
// split(text) => array(string)
|
||||
// split(text, maxCount) => array(string)
|
||||
"split": &objects.UserFunction{
|
||||
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
||||
numArgs := len(args)
|
||||
if numArgs != 1 && numArgs != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
var i2 = -1
|
||||
if numArgs > 1 {
|
||||
i2, ok = objects.ToInt(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
arr := &objects.Array{}
|
||||
for _, s := range re.Split(s1, i2) {
|
||||
arr.Value = append(arr.Value, &objects.String{Value: s})
|
||||
}
|
||||
|
||||
ret = arr
|
||||
|
||||
return
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
// Size-limit checking implementation of regexp.ReplaceAllString.
|
||||
func doTextRegexpReplace(re *regexp.Regexp, src, repl string) (string, bool) {
|
||||
idx := 0
|
||||
out := ""
|
||||
|
||||
for _, m := range re.FindAllStringSubmatchIndex(src, -1) {
|
||||
var exp []byte
|
||||
exp = re.ExpandString(exp, repl, src, m)
|
||||
|
||||
if len(out)+m[0]-idx+len(exp) > tengo.MaxStringLen {
|
||||
return "", false
|
||||
}
|
||||
|
||||
out += src[idx:m[0]] + string(exp)
|
||||
idx = m[1]
|
||||
}
|
||||
if idx < len(src) {
|
||||
if len(out)+len(src)-idx > tengo.MaxStringLen {
|
||||
return "", false
|
||||
}
|
||||
|
||||
out += src[idx:]
|
||||
}
|
||||
|
||||
return string(out), true
|
||||
}
|
||||
@ -0,0 +1,989 @@
|
||||
package stdlib
|
||||
|
||||
import (
|
||||
"time"
|
||||
|
||||
"github.com/d5/tengo"
|
||||
"github.com/d5/tengo/objects"
|
||||
)
|
||||
|
||||
var timesModule = map[string]objects.Object{
|
||||
"format_ansic": &objects.String{Value: time.ANSIC},
|
||||
"format_unix_date": &objects.String{Value: time.UnixDate},
|
||||
"format_ruby_date": &objects.String{Value: time.RubyDate},
|
||||
"format_rfc822": &objects.String{Value: time.RFC822},
|
||||
"format_rfc822z": &objects.String{Value: time.RFC822Z},
|
||||
"format_rfc850": &objects.String{Value: time.RFC850},
|
||||
"format_rfc1123": &objects.String{Value: time.RFC1123},
|
||||
"format_rfc1123z": &objects.String{Value: time.RFC1123Z},
|
||||
"format_rfc3339": &objects.String{Value: time.RFC3339},
|
||||
"format_rfc3339_nano": &objects.String{Value: time.RFC3339Nano},
|
||||
"format_kitchen": &objects.String{Value: time.Kitchen},
|
||||
"format_stamp": &objects.String{Value: time.Stamp},
|
||||
"format_stamp_milli": &objects.String{Value: time.StampMilli},
|
||||
"format_stamp_micro": &objects.String{Value: time.StampMicro},
|
||||
"format_stamp_nano": &objects.String{Value: time.StampNano},
|
||||
"nanosecond": &objects.Int{Value: int64(time.Nanosecond)},
|
||||
"microsecond": &objects.Int{Value: int64(time.Microsecond)},
|
||||
"millisecond": &objects.Int{Value: int64(time.Millisecond)},
|
||||
"second": &objects.Int{Value: int64(time.Second)},
|
||||
"minute": &objects.Int{Value: int64(time.Minute)},
|
||||
"hour": &objects.Int{Value: int64(time.Hour)},
|
||||
"january": &objects.Int{Value: int64(time.January)},
|
||||
"february": &objects.Int{Value: int64(time.February)},
|
||||
"march": &objects.Int{Value: int64(time.March)},
|
||||
"april": &objects.Int{Value: int64(time.April)},
|
||||
"may": &objects.Int{Value: int64(time.May)},
|
||||
"june": &objects.Int{Value: int64(time.June)},
|
||||
"july": &objects.Int{Value: int64(time.July)},
|
||||
"august": &objects.Int{Value: int64(time.August)},
|
||||
"september": &objects.Int{Value: int64(time.September)},
|
||||
"october": &objects.Int{Value: int64(time.October)},
|
||||
"november": &objects.Int{Value: int64(time.November)},
|
||||
"december": &objects.Int{Value: int64(time.December)},
|
||||
"sleep": &objects.UserFunction{Name: "sleep", Value: timesSleep}, // sleep(int)
|
||||
"parse_duration": &objects.UserFunction{Name: "parse_duration", Value: timesParseDuration}, // parse_duration(str) => int
|
||||
"since": &objects.UserFunction{Name: "since", Value: timesSince}, // since(time) => int
|
||||
"until": &objects.UserFunction{Name: "until", Value: timesUntil}, // until(time) => int
|
||||
"duration_hours": &objects.UserFunction{Name: "duration_hours", Value: timesDurationHours}, // duration_hours(int) => float
|
||||
"duration_minutes": &objects.UserFunction{Name: "duration_minutes", Value: timesDurationMinutes}, // duration_minutes(int) => float
|
||||
"duration_nanoseconds": &objects.UserFunction{Name: "duration_nanoseconds", Value: timesDurationNanoseconds}, // duration_nanoseconds(int) => int
|
||||
"duration_seconds": &objects.UserFunction{Name: "duration_seconds", Value: timesDurationSeconds}, // duration_seconds(int) => float
|
||||
"duration_string": &objects.UserFunction{Name: "duration_string", Value: timesDurationString}, // duration_string(int) => string
|
||||
"month_string": &objects.UserFunction{Name: "month_string", Value: timesMonthString}, // month_string(int) => string
|
||||
"date": &objects.UserFunction{Name: "date", Value: timesDate}, // date(year, month, day, hour, min, sec, nsec) => time
|
||||
"now": &objects.UserFunction{Name: "now", Value: timesNow}, // now() => time
|
||||
"parse": &objects.UserFunction{Name: "parse", Value: timesParse}, // parse(format, str) => time
|
||||
"unix": &objects.UserFunction{Name: "unix", Value: timesUnix}, // unix(sec, nsec) => time
|
||||
"add": &objects.UserFunction{Name: "add", Value: timesAdd}, // add(time, int) => time
|
||||
"add_date": &objects.UserFunction{Name: "add_date", Value: timesAddDate}, // add_date(time, years, months, days) => time
|
||||
"sub": &objects.UserFunction{Name: "sub", Value: timesSub}, // sub(t time, u time) => int
|
||||
"after": &objects.UserFunction{Name: "after", Value: timesAfter}, // after(t time, u time) => bool
|
||||
"before": &objects.UserFunction{Name: "before", Value: timesBefore}, // before(t time, u time) => bool
|
||||
"time_year": &objects.UserFunction{Name: "time_year", Value: timesTimeYear}, // time_year(time) => int
|
||||
"time_month": &objects.UserFunction{Name: "time_month", Value: timesTimeMonth}, // time_month(time) => int
|
||||
"time_day": &objects.UserFunction{Name: "time_day", Value: timesTimeDay}, // time_day(time) => int
|
||||
"time_weekday": &objects.UserFunction{Name: "time_weekday", Value: timesTimeWeekday}, // time_weekday(time) => int
|
||||
"time_hour": &objects.UserFunction{Name: "time_hour", Value: timesTimeHour}, // time_hour(time) => int
|
||||
"time_minute": &objects.UserFunction{Name: "time_minute", Value: timesTimeMinute}, // time_minute(time) => int
|
||||
"time_second": &objects.UserFunction{Name: "time_second", Value: timesTimeSecond}, // time_second(time) => int
|
||||
"time_nanosecond": &objects.UserFunction{Name: "time_nanosecond", Value: timesTimeNanosecond}, // time_nanosecond(time) => int
|
||||
"time_unix": &objects.UserFunction{Name: "time_unix", Value: timesTimeUnix}, // time_unix(time) => int
|
||||
"time_unix_nano": &objects.UserFunction{Name: "time_unix_nano", Value: timesTimeUnixNano}, // time_unix_nano(time) => int
|
||||
"time_format": &objects.UserFunction{Name: "time_format", Value: timesTimeFormat}, // time_format(time, format) => string
|
||||
"time_location": &objects.UserFunction{Name: "time_location", Value: timesTimeLocation}, // time_location(time) => string
|
||||
"time_string": &objects.UserFunction{Name: "time_string", Value: timesTimeString}, // time_string(time) => string
|
||||
"is_zero": &objects.UserFunction{Name: "is_zero", Value: timesIsZero}, // is_zero(time) => bool
|
||||
"to_local": &objects.UserFunction{Name: "to_local", Value: timesToLocal}, // to_local(time) => time
|
||||
"to_utc": &objects.UserFunction{Name: "to_utc", Value: timesToUTC}, // to_utc(time) => time
|
||||
}
|
||||
|
||||
func timesSleep(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
time.Sleep(time.Duration(i1))
|
||||
ret = objects.UndefinedValue
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesParseDuration(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
dur, err := time.ParseDuration(s1)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(dur)}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesSince(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(time.Since(t1))}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesUntil(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(time.Until(t1))}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesDurationHours(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Float{Value: time.Duration(i1).Hours()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesDurationMinutes(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Float{Value: time.Duration(i1).Minutes()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesDurationNanoseconds(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: time.Duration(i1).Nanoseconds()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesDurationSeconds(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Float{Value: time.Duration(i1).Seconds()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesDurationString(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: time.Duration(i1).String()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesMonthString(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: time.Month(i1).String()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesDate(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 7 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
i3, ok := objects.ToInt(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
i4, ok := objects.ToInt(args[3])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "fourth",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[3].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
i5, ok := objects.ToInt(args[4])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "fifth",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[4].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
i6, ok := objects.ToInt(args[5])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "sixth",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[5].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
i7, ok := objects.ToInt(args[6])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "seventh",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[6].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: time.Date(i1, time.Month(i2), i3, i4, i5, i6, i7, time.Now().Location())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesNow(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 0 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: time.Now()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesParse(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
s1, ok := objects.ToString(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
parsed, err := time.Parse(s1, s2)
|
||||
if err != nil {
|
||||
ret = wrapError(err)
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: parsed}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesUnix(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
i1, ok := objects.ToInt64(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt64(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: time.Unix(i1, i2)}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesAdd(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt64(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: t1.Add(time.Duration(i2))}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesSub(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
t2, ok := objects.ToTime(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Sub(t2))}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesAddDate(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 4 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i2, ok := objects.ToInt(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i3, ok := objects.ToInt(args[2])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "third",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[2].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
i4, ok := objects.ToInt(args[3])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "fourth",
|
||||
Expected: "int(compatible)",
|
||||
Found: args[3].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: t1.AddDate(i2, i3, i4)}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesAfter(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
t2, ok := objects.ToTime(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if t1.After(t2) {
|
||||
ret = objects.TrueValue
|
||||
} else {
|
||||
ret = objects.FalseValue
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesBefore(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
t2, ok := objects.ToTime(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if t1.Before(t2) {
|
||||
ret = objects.TrueValue
|
||||
} else {
|
||||
ret = objects.FalseValue
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeYear(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Year())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeMonth(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Month())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeDay(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Day())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeWeekday(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Weekday())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeHour(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Hour())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeMinute(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Minute())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeSecond(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Second())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeNanosecond(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Nanosecond())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeUnix(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.Unix())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeUnixNano(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Int{Value: int64(t1.UnixNano())}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeFormat(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 2 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s2, ok := objects.ToString(args[1])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "second",
|
||||
Expected: "string(compatible)",
|
||||
Found: args[1].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
s := t1.Format(s2)
|
||||
if len(s) > tengo.MaxStringLen {
|
||||
|
||||
return nil, objects.ErrStringLimit
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: s}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesIsZero(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if t1.IsZero() {
|
||||
ret = objects.TrueValue
|
||||
} else {
|
||||
ret = objects.FalseValue
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesToLocal(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: t1.Local()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesToUTC(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.Time{Value: t1.UTC()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeLocation(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: t1.Location().String()}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func timesTimeString(args ...objects.Object) (ret objects.Object, err error) {
|
||||
if len(args) != 1 {
|
||||
err = objects.ErrWrongNumArguments
|
||||
return
|
||||
}
|
||||
|
||||
t1, ok := objects.ToTime(args[0])
|
||||
if !ok {
|
||||
err = objects.ErrInvalidArgumentType{
|
||||
Name: "first",
|
||||
Expected: "time(compatible)",
|
||||
Found: args[0].TypeName(),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
ret = &objects.String{Value: t1.String()}
|
||||
|
||||
return
|
||||
}
|
||||
Loading…
Reference in New Issue