widl: Require a constant expression for case statements.

6f902029 · Rob Shearman · Alexandre Julliard · b599d259 · 6f902029
Commit 6f902029 authored Apr 22, 2008 by Rob Shearman Committed by Alexandre Julliard Apr 22, 2008
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parser.y tools/widl/parser.y +1 -1

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--- a/tools/widl/parser.y
+++ b/tools/widl/parser.y
@@ -547,7 +547,7 @@ cases:						{ $$ = NULL; }
 	| cases case				{ $$ = append_var( $1, $2 ); }
 	;

-case:	  tCASE expr ':' field			{ attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
+case:	  tCASE expr_const ':' field		{ attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
 						  $$ = $4; if (!$$) $$ = make_var(NULL);
 						  $$->attrs = append_attr( $$->attrs, a );
 						}