// InjectMethods injects some methods into a class.
//
func (p *Compiler) InjectMethods(cls *exec.Class, code []byte) (err error) {
defer func() {
if e := recover(); e != nil {
switch v := e.(type) {
case string:
err = errors.New(v)
case error:
err = v
default:
panic(e)
}
}
}()
engine, err := ipt.New(p, p.Opts)
if err != nil {
return
}
p.ipt = engine
src, err := engine.Tokenize(code, "")
if err != nil {
return
}
p.cl(engine, "methods", src)
arity := p.popArity()
members := p.gstk.PopNArgs(arity)
p.addMethods(cls, engine, members)
p.Done()
return
}
// Cl compiles a qlang source code.
//
func (p *Compiler) Cl(codeText []byte, fname string) int {
engine, err := interpreter.New(p, p.Opts)
if err != nil {
panic(err)
}
p.ipt = engine
p.gvars["__dir__"] = path.Dir(fname)
p.gvars["__file__"] = fname
err = engine.MatchExactly(codeText, fname)
if err != nil {
panic(err)
}
return p.code.Len()
}