| // Copyright 2021 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package generator |
| |
| import ( |
| "bytes" |
| "fmt" |
| ) |
| |
| // typedefparm describes a parameter that is a typedef of some other |
| // type; it implements the "parm" interface |
| type typedefparm struct { |
| aname string |
| qname string |
| target parm |
| isBlank |
| addrTakenHow |
| isGenValFunc |
| skipCompare |
| } |
| |
| func (p typedefparm) Declare(b *bytes.Buffer, prefix string, suffix string, caller bool) { |
| n := p.aname |
| if caller { |
| n = p.qname |
| } |
| b.WriteString(fmt.Sprintf("%s %s%s", prefix, n, suffix)) |
| } |
| |
| func (p typedefparm) GenElemRef(elidx int, path string) (string, parm) { |
| _, isarr := p.target.(*arrayparm) |
| _, isstruct := p.target.(*structparm) |
| _, ismap := p.target.(*mapparm) |
| rv, rp := p.target.GenElemRef(elidx, path) |
| // this is hacky, but I don't see a nicer way to do this |
| if isarr || isstruct || ismap { |
| return rv, rp |
| } |
| rp = &p |
| return rv, rp |
| } |
| |
| func (p typedefparm) GenValue(s *genstate, f *funcdef, value int, caller bool) (string, int) { |
| n := p.aname |
| if caller { |
| n = p.qname |
| } |
| rv, v := s.GenValue(f, p.target, value, caller) |
| rv = n + "(" + rv + ")" |
| return rv, v |
| } |
| |
| func (p typedefparm) IsControl() bool { |
| return false |
| } |
| |
| func (p typedefparm) NumElements() int { |
| return p.target.NumElements() |
| } |
| |
| func (p typedefparm) String() string { |
| return fmt.Sprintf("%s typedef of %s", p.aname, p.target.String()) |
| |
| } |
| |
| func (p typedefparm) TypeName() string { |
| return p.aname |
| |
| } |
| |
| func (p typedefparm) QualName() string { |
| return p.qname |
| } |
| |
| func (p typedefparm) HasPointer() bool { |
| return p.target.HasPointer() |
| } |
| |
| func (s *genstate) makeTypedefParm(f *funcdef, target parm, pidx int) parm { |
| var tdp typedefparm |
| ns := len(f.typedefs) |
| tdp.aname = fmt.Sprintf("MyTypeF%dS%d", f.idx, ns) |
| tdp.qname = fmt.Sprintf("%s.MyTypeF%dS%d", s.checkerPkg(pidx), f.idx, ns) |
| tdp.target = target |
| tdp.SetBlank(uint8(s.wr.Intn(100)) < tunables.blankPerc) |
| f.typedefs = append(f.typedefs, tdp) |
| return &tdp |
| } |