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Refactoring of AST is now ok

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This commit is contained in:
Marc Vertes
2018-02-20 17:11:18 +01:00
parent 20753f94e3
commit 41bd7a8505
6 changed files with 95 additions and 310 deletions
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33
interp/run.go
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@@ -42,8 +42,8 @@ func Run(def *Node, cf *Frame, args []*Node, rets []int) {
// Execute by walking the CFG and running node func at each step
body := def.Child[2]
for n := body.Start; n != nil; {
//fmt.Println("run", n.index)
n.run(n, &f)
//fmt.Println("run", n.index, n.kind, n.action, value(n, &f))
if n.fnext == nil || value(n, &f).(bool) {
n = n.tnext
} else {
@@ -90,33 +90,34 @@ func and(n *Node, f *Frame) {
}
func printa(n []*Node, f *Frame) {
for _, m := range n {
fmt.Printf("%v ", value(m, f))
for i, m := range n {
if i > 0 {
fmt.Printf(" ")
}
fmt.Printf("%v", value(m, f))
}
fmt.Println("")
}
func (interp *Interpreter) call(n *Node, f *Frame) {
//func (interp *Interpreter) call(n *Node, f *Frame) {
func call(n *Node, f *Frame) {
//fmt.Println("call", n.Child[0].ident)
// FIXME: builtin detection should be done at CFG generation
if n.Child[0].ident == "println" {
printa(n.Child[1:], f)
return
}
// FIXME: resolve fn during compile, not exec ?
if fn := interp.def[n.Child[0].ident]; fn != nil {
var rets []int
if len(fn.Child[1].Child) > 1 {
if fieldList := fn.Child[1].Child[1]; fieldList != nil {
rets = make([]int, len(fieldList.Child))
for i, _ := range fieldList.Child {
rets[i] = n.findex + i
}
fn := n.val.(*Node)
var rets []int
if len(fn.Child[1].Child) > 1 {
if fieldList := fn.Child[1].Child[1]; fieldList != nil {
rets = make([]int, len(fieldList.Child))
for i, _ := range fieldList.Child {
rets[i] = n.findex + i
}
}
Run(fn, f, n.Child[1:], rets)
} else {
panic("function not found")
}
Run(fn, f, n.Child[1:], rets)
}
func getIndex(n *Node, f *Frame) {