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compiler: support shadowing via Block statements

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This commit is contained in:
Evgenii Stratonikov 2020-06-29 16:59:13 +03:00
parent 40bacc6775
commit 26cfae7c9a
2 changed files with 11 additions and 0 deletions
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10
pkg/compiler/codegen.go
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@ -890,6 +890,16 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
return nil
case *ast.BlockStmt:
c.scope.vars.newScope()
defer c.scope.vars.dropScope()
for i := range n.List {
ast.Walk(c, n.List[i])
}
return nil
case *ast.ForStmt:
c.scope.vars.newScope()
defer c.scope.vars.dropScope()

1
pkg/compiler/global_test.go
View file

@ -81,4 +81,5 @@ func TestShadow(t *testing.T) {
t.Run("For", runCase("for i := 0; i < 1; i++ {"))
t.Run("Range", runCase("for range []int{1} {"))
t.Run("Switch", runCase("switch true {\ncase false: x += 2\ncase true:"))
t.Run("Block", runCase("{"))
}