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[dev.typeparams] cmd/compile: extract SetBaseTypeIndex function

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The unified IR importer requires a way to set symbol indices for
imported types, so provide an exported API for this.

Change-Id: I2f088628f56d5b9f1097196dc1aa23f0a8b8d496
Reviewed-on: https://go-review.googlesource.com/c/go/+/327050
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
This commit is contained in:
Matthew Dempsky 2021-06-11 01:10:56 -07:00
parent 18788245ea
commit 62e32dd386
1 changed files with 8 additions and 1 deletions
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9
src/cmd/compile/internal/typecheck/iimport.go
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@ -993,7 +993,13 @@ func (r *importReader) symIdx(s *types.Sym) {
func (r *importReader) typeExt(t *types.Type) {
t.SetNotInHeap(r.bool())
i, pi := r.int64(), r.int64()
SetBaseTypeIndex(t, r.int64(), r.int64())
}
func SetBaseTypeIndex(t *types.Type, i, pi int64) {
if t.Obj() == nil {
base.Fatalf("SetBaseTypeIndex on non-defined type %v", t)
}
if i != -1 && pi != -1 {
typeSymIdx[t] = [2]int64{i, pi}
}
@ -1001,6 +1007,7 @@ func (r *importReader) typeExt(t *types.Type) {
// Map imported type T to the index of type descriptor symbols of T and *T,
// so we can use index to reference the symbol.
// TODO(mdempsky): Store this information directly in the Type's Name.
var typeSymIdx = make(map[*types.Type][2]int64)
func BaseTypeIndex(t *types.Type) int64 {