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cmd/compile/internal/syntax: generalize error about var decls in init clauses

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Change-Id: I62f9748b97bec245338ebf9686fbf6ad6dc6a9c2
Reviewed-on: https://go-review.googlesource.com/36931
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Robert Griesemer 2017-02-13 15:08:04 -08:00
parent f823d30514
commit efb3cab960
3 changed files with 17 additions and 13 deletions
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4
src/cmd/compile/internal/syntax/parser.go
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@ -1703,8 +1703,8 @@ func (p *parser) header(keyword token) (init SimpleStmt, cond Expr, post SimpleS
if p.tok != _Semi {
// accept potential varDecl but complain
if keyword == _For && p.got(_Var) {
p.syntax_error("var declaration not allowed in for initializer")
if p.got(_Var) {
p.syntax_error(fmt.Sprintf("var declaration not allowed in %s initializer", keyword.String()))
}
init = p.simpleStmt(nil, keyword == _For)
// If we have a range clause, we are done (can only happen for keyword == _For).