mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-12-27 08:55:39 +00:00
91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package compiler
|
|
|
|
import (
|
|
"encoding/gob"
|
|
"fmt"
|
|
"io"
|
|
"reflect"
|
|
|
|
"github.com/d5/tengo/compiler/source"
|
|
"github.com/d5/tengo/objects"
|
|
)
|
|
|
|
// Bytecode is a compiled instructions and constants.
|
|
type Bytecode struct {
|
|
FileSet *source.FileSet
|
|
MainFunction *objects.CompiledFunction
|
|
Constants []objects.Object
|
|
}
|
|
|
|
// Encode writes Bytecode data to the writer.
|
|
func (b *Bytecode) Encode(w io.Writer) error {
|
|
enc := gob.NewEncoder(w)
|
|
|
|
if err := enc.Encode(b.FileSet); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := enc.Encode(b.MainFunction); err != nil {
|
|
return err
|
|
}
|
|
|
|
// constants
|
|
return enc.Encode(b.Constants)
|
|
}
|
|
|
|
// CountObjects returns the number of objects found in Constants.
|
|
func (b *Bytecode) CountObjects() int {
|
|
n := 0
|
|
|
|
for _, c := range b.Constants {
|
|
n += objects.CountObjects(c)
|
|
}
|
|
|
|
return n
|
|
}
|
|
|
|
// FormatInstructions returns human readable string representations of
|
|
// compiled instructions.
|
|
func (b *Bytecode) FormatInstructions() []string {
|
|
return FormatInstructions(b.MainFunction.Instructions, 0)
|
|
}
|
|
|
|
// FormatConstants returns human readable string representations of
|
|
// compiled constants.
|
|
func (b *Bytecode) FormatConstants() (output []string) {
|
|
for cidx, cn := range b.Constants {
|
|
switch cn := cn.(type) {
|
|
case *objects.CompiledFunction:
|
|
output = append(output, fmt.Sprintf("[% 3d] (Compiled Function|%p)", cidx, &cn))
|
|
for _, l := range FormatInstructions(cn.Instructions, 0) {
|
|
output = append(output, fmt.Sprintf(" %s", l))
|
|
}
|
|
default:
|
|
output = append(output, fmt.Sprintf("[% 3d] %s (%s|%p)", cidx, cn, reflect.TypeOf(cn).Elem().Name(), &cn))
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func init() {
|
|
gob.Register(&source.FileSet{})
|
|
gob.Register(&source.File{})
|
|
gob.Register(&objects.Array{})
|
|
gob.Register(&objects.Bool{})
|
|
gob.Register(&objects.Bytes{})
|
|
gob.Register(&objects.Char{})
|
|
gob.Register(&objects.Closure{})
|
|
gob.Register(&objects.CompiledFunction{})
|
|
gob.Register(&objects.Error{})
|
|
gob.Register(&objects.Float{})
|
|
gob.Register(&objects.ImmutableArray{})
|
|
gob.Register(&objects.ImmutableMap{})
|
|
gob.Register(&objects.Int{})
|
|
gob.Register(&objects.Map{})
|
|
gob.Register(&objects.String{})
|
|
gob.Register(&objects.Time{})
|
|
gob.Register(&objects.Undefined{})
|
|
gob.Register(&objects.UserFunction{})
|
|
}
|