本文整理汇总了Golang中github.com/rocky/ssa-interp/interp.Frame.Env方法的典型用法代码示例。如果您正苦于以下问题：Golang Frame.Env方法的具体用法？Golang Frame.Env怎么用？Golang Frame.Env使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/rocky/ssa-interp/interp.Frame的用法示例。
在下文中一共展示了Frame.Env方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: EnvLookup
func EnvLookup(fr *interp.Frame, name string,
scope *ssa2.Scope) (ssa2.Value, interp.Value, *ssa2.Scope) {
fn := fr.Fn()
reg := fr.Var2Reg[name]
for ; scope != nil; scope = ssa2.ParentScope(fn, scope) {
nameScope := ssa2.NameScope{
Name: name,
Scope: scope,
}
if i := fn.LocalsByName[nameScope]; i > 0 {
nameVal := fn.Locals[i-1]
val := fr.Env()[nameVal]
return nameVal, val, nameVal.Scope
}
}
names := []string{name, reg}
for _, name := range names {
for nameVal, val := range fr.Env() {
if name == nameVal.Name() {
switch nameVal := nameVal.(type) {
case *ssa2.Alloc:
return nameVal, val, nameVal.Scope
default:
return nameVal, val, nil
}
}
}
}
// FIXME: Why we would find things here and not by the
// above scope lookup?
if val := fn.Pkg.Var(name); val != nil {
return val, nil, nil
}
return nil, nil, nil
}示例2: printLocInfo
func printLocInfo(fr *interp.Frame, inst *ssa2.Instruction,
event ssa2.TraceEvent) {
defer func() {
if x := recover(); x != nil {
Errmsg("Internal error in getting location info")
debug.PrintStack()
}
}()
s := Event2Icon[event] + " "
fn := fr.Fn()
sig := fn.Signature
name := fn.Name()
if fn.Signature.Recv() != nil {
if len(fn.Params) == 0 {
panic("Receiver method " + name + " should have at least 1 param. Has 0.")
}
s += fmt.Sprintf("(%s).%s()", fn.Params[0].Type(), name)
} else {
s += fmt.Sprintf("%s.%s", fn.Pkg.Object.Path(), name)
if len(name) > 0 {
s += "()"
}
}
if *terse && (event != ssa2.STEP_INSTRUCTION) {
Msg(s)
} else {
Msg("%s block %d insn %d", s, fr.Block().Index, fr.PC())
}
var syntax ast.Node = nil
switch event {
case ssa2.CALL_RETURN:
if sig.Results() == nil {
Msg("return void")
} else {
Msg("return type: %s", sig.Results())
Msg("return value: %s", Deref2Str(fr.Result(), nil))
}
case ssa2.CALL_ENTER:
syntax = fn.Syntax()
for _, p := range fn.Params {
if val := fr.Env()[p]; val != nil {
ssaVal := ssa2.Value(p)
Msg("%s %s", p, Deref2Str(val, &ssaVal))
} else {
Msg("%s nil", p)
}
}
case ssa2.PANIC:
// fmt.Printf("panic arg: %s\n", fr.Get(instr.X))
}
Msg(fr.PositionRange())
if Instr != nil {
switch s := (*Instr).(type) {
case *ssa2.Trace:
syntax = s.Syntax()
}
if syntax != nil {
PrintSyntaxFirstLine(syntax, fn.Prog.Fset)
}
}
}