[vala/wip/ricotz/lsp: 4/13] langserver: handle if_statement bad syntax

[Rico Tzschichholz <ricotz src gnome org>]

commit 706103a5d2b103b81ee5eb8ce443773b18e4ef56
Author: Princeton Ferro <princetonferro gmail com>
Date:   Wed Dec 25 14:47:37 2019 -0500

    langserver: handle if_statement bad syntax

 vala/valaparser.vala | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)
---
diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index d44b61154..79aa98713 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -1756,8 +1756,16 @@ public class Vala.Parser : CodeVisitor {
 
                var block = new Block (get_src (get_location ()));
 
-               var stmt = parse_embedded_statement_without_block (statement_name, accept_empty_body);
-               block.add_statement (stmt);
+               try {
+                       var stmt = parse_embedded_statement_without_block (statement_name, accept_empty_body);
+                       block.add_statement (stmt);
+               } catch (ParseError e) {
+                       if (context.keep_going) {
+                               report_parse_error (e);
+                       } else {
+                               throw e;        // rethrow
+                       }
+               }
                block.source_reference.end = get_last_src ().end;
 
                return block;
@@ -1969,7 +1977,13 @@ public class Vala.Parser : CodeVisitor {
                expect (TokenType.IF);
                expect (TokenType.OPEN_PARENS);
                var condition = parse_expression ();
-               expect (TokenType.CLOSE_PARENS);
+               if (context.keep_going) {
+                       if (!accept (TokenType.CLOSE_PARENS)) {
+                               report_parse_error (new ParseError.SYNTAX ("expected %s".printf 
(TokenType.CLOSE_PARENS.to_string ())), false);
+                       }
+               } else {
+                       expect (TokenType.CLOSE_PARENS);
+               }
                var src = get_src (begin);
                var true_stmt = parse_embedded_statement ("if", false);
                Block false_stmt = null;