mirror of
https://github.com/cwinfo/matterbridge.git
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91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
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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"reflect"
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"github.com/d5/tengo/compiler/source"
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"github.com/d5/tengo/objects"
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)
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// Bytecode is a compiled instructions and constants.
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type Bytecode struct {
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FileSet *source.FileSet
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MainFunction *objects.CompiledFunction
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Constants []objects.Object
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}
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// Encode writes Bytecode data to the writer.
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func (b *Bytecode) Encode(w io.Writer) error {
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enc := gob.NewEncoder(w)
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if err := enc.Encode(b.FileSet); err != nil {
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return err
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}
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if err := enc.Encode(b.MainFunction); err != nil {
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return err
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}
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// constants
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return enc.Encode(b.Constants)
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}
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// CountObjects returns the number of objects found in Constants.
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func (b *Bytecode) CountObjects() int {
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n := 0
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for _, c := range b.Constants {
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n += objects.CountObjects(c)
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}
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return n
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}
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// FormatInstructions returns human readable string representations of
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// compiled instructions.
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func (b *Bytecode) FormatInstructions() []string {
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return FormatInstructions(b.MainFunction.Instructions, 0)
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}
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// FormatConstants returns human readable string representations of
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// compiled constants.
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func (b *Bytecode) FormatConstants() (output []string) {
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for cidx, cn := range b.Constants {
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switch cn := cn.(type) {
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case *objects.CompiledFunction:
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output = append(output, fmt.Sprintf("[% 3d] (Compiled Function|%p)", cidx, &cn))
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for _, l := range FormatInstructions(cn.Instructions, 0) {
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output = append(output, fmt.Sprintf(" %s", l))
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}
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default:
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output = append(output, fmt.Sprintf("[% 3d] %s (%s|%p)", cidx, cn, reflect.TypeOf(cn).Elem().Name(), &cn))
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}
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}
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return
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}
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func init() {
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gob.Register(&source.FileSet{})
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gob.Register(&source.File{})
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gob.Register(&objects.Array{})
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gob.Register(&objects.Bool{})
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gob.Register(&objects.Bytes{})
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gob.Register(&objects.Char{})
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gob.Register(&objects.Closure{})
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gob.Register(&objects.CompiledFunction{})
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gob.Register(&objects.Error{})
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gob.Register(&objects.Float{})
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gob.Register(&objects.ImmutableArray{})
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gob.Register(&objects.ImmutableMap{})
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gob.Register(&objects.Int{})
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gob.Register(&objects.Map{})
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gob.Register(&objects.String{})
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gob.Register(&objects.Time{})
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gob.Register(&objects.Undefined{})
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gob.Register(&objects.UserFunction{})
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}
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