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compiler: refactor typeinfo functions

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This commit is contained in:
Evgenii Stratonikov 2020-05-13 18:09:55 +03:00
parent b9b1066435
commit 70d0ff869d
4 changed files with 93 additions and 114 deletions
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52
pkg/compiler/analysis.go
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@ -205,50 +205,6 @@ func isBuiltin(expr ast.Expr) bool {
return false
}
func (c *codegen) isCompoundArrayType(t ast.Expr) bool {
switch s := t.(type) {
case *ast.ArrayType:
return true
case *ast.Ident:
arr, ok := c.typeInfo.Types[s].Type.Underlying().(*types.Slice)
return ok && !isByte(arr.Elem())
}
return false
}
func isByte(t types.Type) bool {
e, ok := t.(*types.Basic)
return ok && e.Kind() == types.Byte
}
func (c *codegen) isStructType(t ast.Expr) (int, bool) {
switch s := t.(type) {
case *ast.StructType:
return s.Fields.NumFields(), true
case *ast.Ident:
st, ok := c.typeInfo.Types[s].Type.Underlying().(*types.Struct)
if ok {
return st.NumFields(), true
}
}
return 0, false
}
func isByteArray(lit *ast.CompositeLit, tInfo *types.Info) bool {
if len(lit.Elts) == 0 {
if typ, ok := lit.Type.(*ast.ArrayType); ok {
if name, ok := typ.Elt.(*ast.Ident); ok {
return name.Name == "byte" || name.Name == "uint8"
}
}
return false
}
typ := tInfo.Types[lit.Elts[0]].Type.Underlying()
return isByte(typ)
}
func isSyscall(fun *funcScope) bool {
if fun.selector == nil {
return false
@ -256,11 +212,3 @@ func isSyscall(fun *funcScope) bool {
_, ok := syscalls[fun.selector.Name][fun.name]
return ok
}
func isByteArrayType(t types.Type) bool {
return t.String() == "[]byte"
}
func isStringType(t types.Type) bool {
return t.String() == "string"
}