X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser_proc_grammar.y;h=5c2e24dc2d3f9992a33eef5bd995d0e27816b685;hp=b23683cb85711d63e4a77ba43229cca7d9711d9e;hb=39bbd983561a028dc67a52c2da1c6b13981d2e14;hpb=7b47ebb6e09fd8d50709fe7730995308d7d92054

diff --git a/src/parser_proc_grammar.y b/src/parser_proc_grammar.y
index b23683c..5c2e24d 100644
--- a/src/parser_proc_grammar.y
+++ b/src/parser_proc_grammar.y
@@ -390,7 +390,7 @@ struct psi_parser;
 %type		<struct psi_token **>				impl_stmt
 %destructor	{psi_impl_stmt_free(&$$);}			impl_stmt
 %type		<struct psi_token *>				impl_type_token impl_type_restricted_token impl_type_extended_token callback_rval let_func_token set_func_token assert_stmt_token
-%destructor	{psi_token_free(&$$);}				impl_type_token impl_type_restricted_token impl_type_extended_token callback_rval let_func_token set_func_token assert_stmt_token
+%destructor	{}									impl_type_token impl_type_restricted_token impl_type_extended_token callback_rval let_func_token set_func_token assert_stmt_token
 %type		<struct psi_plist *>				impl_args impl_stmts let_exps let_func_exps callback_arg_list callback_args set_exps set_func_exps free_exps
 %destructor	{psi_plist_free($$);}				impl_args impl_stmts let_exps let_func_exps callback_arg_list callback_args set_exps set_func_exps free_exps
 
@@ -2296,7 +2296,7 @@ static int psi_parser_proc_lex(YYSTYPE *lvalp, struct psi_parser *P, struct psi_
 #if PSI_DEBUG_LEX
 	PSI_DEBUG_PRINT(P, "PSI: LEX index %4zu ", *index);
 #endif
-	if (psi_plist_get(tokens, (*index)++, &token)) {
+	if (psi_plist_get(tokens, (*index)++, &token) && token) {
 #if PSI_DEBUG_LEX	
 		PSI_DEBUG_DUMP(P, psi_token_dump, token);
 #endif
@@ -2329,11 +2329,22 @@ static void psi_parser_proc_error(struct psi_parser *P, struct psi_plist *tokens
 		
 		P->error(PSI_DATA(P), T, PSI_WARNING, "PSI %s at col %u", msg, T->col);
 		while (i <= last || T->type != PSI_T_EOS) {
+			const char *pos;
+			
 			if (!psi_plist_get(tokens, i++, &T)) {
 				break;
 			}
+			
+			if (i < last + 1) {
+				pos = "preceding";
+			} else if (i > last + 1) {
+				pos = "following";
+			} else {
+				pos = "offending";
+			}
+			
 			P->error(PSI_DATA(P), T, PSI_WARNING, "PSI %s token '%s' at col %u", 
-					i<last+1?"preceding":i>last+1?"following":"offending", T->text->val, T->col);
+					pos, T ? T->text->val : "<deleted>", T ? T->col : 0);
 		}
 	} else {
 		P->error(PSI_DATA(P), NULL, PSI_WARNING, "PSI %s", msg);