Improve errors for missing ; and unexpected )

CHANGES.current

@@ -13,12 +13,8 @@ Version 3.0.4 (in progress)
 	    problem.
 
 2015-01-08: olly
-	    Improve error message for extraneous '%}'.
+	    Improve error messages for a few cases which previously gave the
-
+	    one of the cryptic catch-all errors "Syntax error in input".
-2015-01-08: olly
-	    Improve error message when an unknown SWIG directive is used - this
-	    previously gave the cryptic "Error: Syntax error in input(1).", but
-	    now gives "Error: Unknown directive '%foo'."
 
 2015-01-08: olly
 	    Provide -cppext as a general command line option for setting the

Examples/test-suite/errors/c_missing_semi.stderr

@@ -1 +1 @@
-c_missing_semi.i:3: Error: Syntax error in input(1).
+c_missing_semi.i:3: Error: Syntax error - missing ';'?

Examples/test-suite/errors/cpp_extra_brackets.stderr

@@ -1 +1 @@
-cpp_extra_brackets.i:5: Error: Syntax error in input(3).
+cpp_extra_brackets.i:5: Error: Unexpected ')'.

Source/CParse/parser.y

@@ -3024,6 +3024,15 @@ c_decl_tail    : SEMI {
                    skip_balanced('{','}');
                    $$ = 0;
                }
+               | error {
+		   $$ = 0;
+		   if (yychar == RPAREN) {
+		       Swig_error(cparse_file, cparse_line, "Unexpected ')'.\n");
+		   } else {
+		       Swig_error(cparse_file, cparse_line, "Syntax error - missing ';'?\n");
+		   }
+		   exit(1);
+               }
               ;
 
 initializer   : def_args {