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cmd/compile: separate out parameter and field export encoding
These two types of *types.Field encode different concepts, so we encode them separately (and ignore fields that don't matter for each concept). Change-Id: I9d1608413949a109f12a3ebd52cd7af5f476e415 Reviewed-on: https://go-review.googlesource.com/c/go/+/312130 Trust: Keith Randall <khr@golang.org> Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org>
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@ -749,8 +749,16 @@ func (w *exportWriter) exoticParam(f *types.Field) {
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w.uint64(uint64(f.Offset))
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w.exoticType(f.Type)
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w.bool(f.IsDDD())
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}
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func (w *exportWriter) exoticField(f *types.Field) {
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w.pos(f.Pos)
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w.exoticSym(f.Sym)
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w.uint64(uint64(f.Offset))
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w.exoticType(f.Type)
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w.string(f.Note)
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}
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func (w *exportWriter) exoticSym(s *types.Sym) {
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if s == nil {
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w.string("")
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@ -1593,7 +1601,7 @@ func (w *exportWriter) expr(n ir.Node) {
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if go117ExportTypes {
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w.exoticType(n.Type())
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if n.Op() == ir.ODOT || n.Op() == ir.ODOTPTR || n.Op() == ir.ODOTINTER {
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w.exoticParam(n.Selection)
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w.exoticField(n.Selection)
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}
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// n.Selection is not required for OMETHEXPR, ODOTMETH, and OCALLPART. It will
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// be reconstructed during import.
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@ -592,7 +592,21 @@ func (r *importReader) exoticParam() *types.Field {
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f.Nname = ir.NewNameAt(pos, sym)
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}
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f.SetIsDDD(ddd)
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f.Note = r.string()
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return f
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}
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func (r *importReader) exoticField() *types.Field {
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pos := r.pos()
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sym := r.exoticSym()
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off := r.uint64()
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typ := r.exoticType()
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note := r.string()
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f := types.NewField(pos, sym, typ)
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f.Offset = int64(off)
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if sym != nil {
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f.Nname = ir.NewNameAt(pos, sym)
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}
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f.Note = note
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return f
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}
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@ -1202,7 +1216,7 @@ func (r *importReader) node() ir.Node {
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n.SetType(r.exoticType())
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switch op {
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case ir.ODOT, ir.ODOTPTR, ir.ODOTINTER:
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n.Selection = r.exoticParam()
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n.Selection = r.exoticField()
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case ir.ODOTMETH, ir.OCALLPART, ir.OMETHEXPR:
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// These require a Lookup to link to the correct declaration.
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rcvrType := expr.Type()
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