44 lines
872 B
Go
44 lines
872 B
Go
package compiler
|
|
|
|
import (
|
|
"go/ast"
|
|
"go/types"
|
|
)
|
|
|
|
func (c *codegen) typeAndValueOf(e ast.Expr) types.TypeAndValue {
|
|
return c.typeInfo.Types[e]
|
|
}
|
|
|
|
func (c *codegen) typeOf(e ast.Expr) types.Type {
|
|
return c.typeAndValueOf(e).Type
|
|
}
|
|
|
|
func isBasicTypeOfKind(typ types.Type, ks ...types.BasicKind) bool {
|
|
if t, ok := typ.Underlying().(*types.Basic); ok {
|
|
k := t.Kind()
|
|
for i := range ks {
|
|
if k == ks[i] {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func isByte(typ types.Type) bool {
|
|
return isBasicTypeOfKind(typ, types.Uint8, types.Int8)
|
|
}
|
|
|
|
func isString(typ types.Type) bool {
|
|
return isBasicTypeOfKind(typ, types.String)
|
|
}
|
|
|
|
func isCompoundSlice(typ types.Type) bool {
|
|
t, ok := typ.Underlying().(*types.Slice)
|
|
return ok && !isByte(t.Elem())
|
|
}
|
|
|
|
func isByteSlice(typ types.Type) bool {
|
|
t, ok := typ.Underlying().(*types.Slice)
|
|
return ok && isByte(t.Elem())
|
|
}
|