func buildFunc(b *builder, f *tast.Func, irFunc *ir.Func) {
b.f = irFunc
if f.Receiver != nil {
// bind the receiver
t := f.Receiver.ObjType.(types.T)
ref := newAddressableRef(t, irFunc.ThisRef())
f.Receiver.Obj = &objVar{f.Receiver.Name(), ref}
} else if f.This != nil {
// bind this pointer
b.this = newRef(f.This, irFunc.ThisRef())
}
// bind arg symbols
args := irFunc.ArgRefs()
if f.IsMethod() {
args = args[1:] // skip <this>
}
for i, s := range f.Args {
if s != nil {
t := s.ObjType.(types.T)
ref := newAddressableRef(t, args[i])
s.Obj = &objVar{s.Name(), ref}
}
}
// bind named return symbols
rets := irFunc.RetRefs()
t := f.Sym.ObjType.(*types.Func)
b.fretRef = makeRetRef(t.Rets, rets)
if f.NamedRets != nil {
for i, s := range f.NamedRets {
if s != nil {
s.Obj = &objVar{s.Name(), b.fretRef.At(i)}
}
}
}
b.b = b.f.NewBlock(nil)
for _, stmt := range f.Body {
b.buildStmt(stmt)
}
}
func buildFunc(b *builder, f *pkgFunc) *tast.Func {
b.scope.Push()
defer scopePopAndCheck(b)
t := f.sym.ObjType.(*types.Func)
b.retNamed = f.f.NamedRet()
b.retType = t.RetTypes
ret := new(tast.Func)
ret.Sym = f.sym
if b.this != nil {
if f.f.Recv != nil {
if recvTok := f.f.Recv.Recv; recvTok != nil {
recvSym := declareVar(b, recvTok, b.thisType, true)
if recvSym == nil {
return nil
}
ret.Receiver = recvSym
}
} else {
// marking keyword <this> if it is an inlined method
ret.This = b.thisType
}
}
if b.this != nil {
ret.Args = declareParas(b, f.f.Args, t.Args[1:])
} else {
ret.Args = declareParas(b, f.f.Args, t.Args)
}
if b.retNamed {
ret.NamedRets = declareParas(b, f.f.Rets, t.Rets)
}
ret.Body = buildStmts(b, f.f.Body.Stmts)
if len(b.retType) > 0 && !isBlockTerminal(f.f.Body) {
b.Errorf(f.f.Body.Rbrace.Pos, "missing return at the end of function")
}
// clear for safety
b.retType = nil
b.retNamed = false
return ret
}
func buildFunc(b *builder, f *pkgFunc) *tast.Func {
b.scope.Push()
defer b.scope.Pop()
t := f.sym.ObjType.(*types.Func)
b.retNamed = f.f.NamedRet()
b.retType = t.RetTypes
ret := new(tast.Func)
ret.Sym = f.sym
if b.this != nil {
if f.f.Recv != nil {
if recvTok := f.f.Recv.Recv; recvTok != nil {
recvSym := declareVar(b, recvTok, b.thisType)
if recvSym == nil {
return nil
}
ret.Receiver = recvSym
}
} else {
// marking keyword <this> if it is an inlined method
ret.This = b.thisType
}
}
if b.this != nil {
ret.Args = declareParas(b, f.f.Args, t.Args[1:])
} else {
ret.Args = declareParas(b, f.f.Args, t.Args)
}
if b.retNamed {
ret.NamedRets = declareParas(b, f.f.Rets, t.Rets)
}
ret.Body = buildStmts(b, f.f.Body.Stmts)
// clear for safety
b.retType = nil
b.retNamed = false
return ret
}