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gimple-parser.c (c_parser_gimple_compound_statement): Improve error recovery.

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2016-12-20  Richard Biener  <rguenther@suse.de>

	c/
	* gimple-parser.c (c_parser_gimple_compound_statement): Improve
	error recovery.
	(c_parser_gimple_statement): Only build assigns for non-error
	stmts.
	(c_parser_gimple_postfix_expression_after): Improve error recovery.

From-SVN: r243823
This commit is contained in:
Richard Biener 2016-12-20 12:50:09 +00:00 committed by Richard Biener
parent a676a9a8c5
commit aa90531ea4
2 changed files with 26 additions and 9 deletions
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8
gcc/c/ChangeLog
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@ -1,3 +1,11 @@
2016-12-20 Richard Biener <rguenther@suse.de>
* gimple-parser.c (c_parser_gimple_compound_statement): Improve
error recovery.
(c_parser_gimple_statement): Only build assigns for non-error
stmts.
(c_parser_gimple_postfix_expression_after): Improve error recovery.
2016-12-14 Martin Jambor <mjambor@suse.cz>
* c-parser.c: Include omp-general.h and omp-offload.h instead of

27
gcc/c/gimple-parser.c
View File

@ -215,7 +215,7 @@ c_parser_gimple_compound_statement (c_parser *parser, gimple_seq *seq)
expr_stmt:
c_parser_gimple_statement (parser, seq);
if (! c_parser_require (parser, CPP_SEMICOLON, "expected %<;%>"))
return return_p;
c_parser_skip_until_found (parser, CPP_SEMICOLON, NULL);
}
}
c_parser_consume_token (parser);
@ -327,9 +327,12 @@ c_parser_gimple_statement (c_parser *parser, gimple_seq *seq)
case CPP_NOT:
case CPP_MULT: /* pointer deref */
rhs = c_parser_gimple_unary_expression (parser);
assign = gimple_build_assign (lhs.value, rhs.value);
gimple_set_location (assign, loc);
gimple_seq_add_stmt (seq, assign);
if (rhs.value != error_mark_node)
{
assign = gimple_build_assign (lhs.value, rhs.value);
gimple_set_location (assign, loc);
gimple_seq_add_stmt (seq, assign);
}
return;
default:;
@ -385,10 +388,13 @@ c_parser_gimple_statement (c_parser *parser, gimple_seq *seq)
&& lookup_name (c_parser_peek_token (parser)->value))
{
rhs = c_parser_gimple_unary_expression (parser);
gimple *call = gimple_build_call_from_tree (rhs.value);
gimple_call_set_lhs (call, lhs.value);
gimple_seq_add_stmt (seq, call);
gimple_set_location (call, loc);
if (rhs.value != error_mark_node)
{
gimple *call = gimple_build_call_from_tree (rhs.value);
gimple_call_set_lhs (call, lhs.value);
gimple_seq_add_stmt (seq, call);
gimple_set_location (call, loc);
}
return;
}
@ -802,7 +808,10 @@ c_parser_gimple_postfix_expression_after_primary (c_parser *parser,
tree idx = c_parser_gimple_unary_expression (parser).value;
if (! c_parser_require (parser, CPP_CLOSE_SQUARE, "expected %<]%>"))
break;
{
c_parser_skip_until_found (parser, CPP_CLOSE_SQUARE, NULL);
break;
}
start = expr.get_start ();
finish = c_parser_tokens_buf (parser, 0)->location;