[vala/0.42] parser: Restrict source_reference for catch/lock expression to its header

[Rico Tzschichholz <ricotz src gnome org>]

commit e2352a3a20b97f927b15a253e364fedeecd4c3eb
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Mar 8 18:46:02 2019 +0100

    parser: Restrict source_reference for catch/lock expression to its header

 vala/valaparser.vala | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index 59d659f35..239de6bc1 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -2113,8 +2113,9 @@ public class Vala.Parser : CodeVisitor {
        }
 
        void parse_catch_clauses (List<CatchClause> catch_clauses) throws ParseError {
-               while (accept (TokenType.CATCH)) {
+               while (current () == TokenType.CATCH) {
                        var begin = get_location ();
+                       expect (TokenType.CATCH);
                        DataType type = null;
                        string id = null;
                        if (accept (TokenType.OPEN_PARENS)) {
@@ -2122,8 +2123,9 @@ public class Vala.Parser : CodeVisitor {
                                id = parse_identifier ();
                                expect (TokenType.CLOSE_PARENS);
                        }
+                       var src = get_src (begin);
                        var block = parse_block ();
-                       catch_clauses.add (new CatchClause (type, id, block, get_src (begin)));
+                       catch_clauses.add (new CatchClause (type, id, block, src));
                }
        }
 
@@ -2139,11 +2141,12 @@ public class Vala.Parser : CodeVisitor {
                expect (TokenType.OPEN_PARENS);
                var expr = parse_expression ();
                expect (TokenType.CLOSE_PARENS);
+               var src = get_src (begin);
                Block? stmt = null;
                if (current () != TokenType.SEMICOLON) {
                        stmt = parse_embedded_statement ("lock", false);
                }
-               return new LockStatement (expr, stmt, get_src (begin));
+               return new LockStatement (expr, stmt, src);
        }
 
        Statement parse_unlock_statement () throws ParseError {