From: Robert Griesemer <gri@golang.org>
Date: Tue, 15 Dec 2020 00:07:05 +0000 (-0800)
Subject: [dev.typeparams] cmd/compile/internal/gc: provide types2 selection info to noder
X-Git-Tag: go1.17beta1~1473^2~153
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=5aff757efc;p=gostls13.git

[dev.typeparams] cmd/compile/internal/gc: provide types2 selection info to noder

Change-Id: I231e3a1c9f663e2a63c0ad73d571c7a00005f50b
Reviewed-on: https://go-review.googlesource.com/c/go/+/278092
Trust: Robert Griesemer <gri@golang.org>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
---

diff --git a/src/cmd/compile/internal/gc/noder.go b/src/cmd/compile/internal/gc/noder.go
index 7ec81e34b0..8ae88a100c 100644
--- a/src/cmd/compile/internal/gc/noder.go
+++ b/src/cmd/compile/internal/gc/noder.go
@@ -114,9 +114,10 @@ func parseFiles(filenames []string) (lines uint) {
 			},
 		}
 		info := types2.Info{
-			Types: make(map[syntax.Expr]types2.TypeAndValue),
-			Defs:  make(map[*syntax.Name]types2.Object),
-			Uses:  make(map[*syntax.Name]types2.Object),
+			Types:      make(map[syntax.Expr]types2.TypeAndValue),
+			Defs:       make(map[*syntax.Name]types2.Object),
+			Uses:       make(map[*syntax.Name]types2.Object),
+			Selections: make(map[*syntax.SelectorExpr]*types2.Selection),
 			// expand as needed
 		}
 		conf.Check(base.Ctxt.Pkgpath, files, &info)
@@ -283,6 +284,11 @@ func (p *noder) use(x *syntax.Name) types2.Object {
 	return p.typeInfo.Uses[x]
 }
 
+// sel returns the selection information for the given selector expression.
+func (p *noder) sel(x *syntax.SelectorExpr) *types2.Selection {
+	return p.typeInfo.Selections[x]
+}
+
 func (p *noder) funcBody(fn *ir.Func, block *syntax.BlockStmt) {
 	oldScope := p.scope
 	p.scope = 0