From 2c4ccd122e6bf151bfdbcb4e729ad316d8ff2b2f Mon Sep 17 00:00:00 2001
From: Stephen Dolan <mu@netsoc.tcd.ie>
Date: Mon, 3 Jun 2013 23:08:17 +0100
Subject: [PATCH] Better error handling for .foo case in parser. See #141.

---
 parser.y | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/parser.y b/parser.y
index 461b9c9..c9563a0 100644
--- a/parser.y
+++ b/parser.y
@@ -227,7 +227,7 @@ Term "as" '$' IDENT '|' Exp {
 "if" Exp "then" Exp ElseBody {
   $$ = gen_cond($2, $4, $5);
 } |
-"if" Exp error {
+"if" Exp "then" error {
   FAIL(@$, "Possibly unterminated 'if' statment");
   $$ = $2;
 } |
@@ -405,6 +405,15 @@ Term '.' IDENT {
 '.' IDENT { 
   $$ = gen_index(gen_noop(), gen_const($2)); 
 } |
+'.' error {
+  FAIL(@$, "try .[\"field\"] instead of .field for unusually named fields");
+  $$ = gen_noop();
+} |
+'.' IDENT error {
+  jv_free($2);
+  FAIL(@$, "try .[\"field\"] instead of .field for unusually named fields");
+  $$ = gen_noop();
+} | 
 /* FIXME: string literals */
 Term '[' Exp ']' {
   $$ = gen_index($1, $3); 
-- 
2.40.0