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author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2007-12-04 21:10:09 +0000 |
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committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2007-12-04 21:10:09 +0000 |
commit | 3d57f0f08572758a796bffe8776703c9cf16ea75 (patch) | |
tree | 313749fb7158038f9f43d8e9be00ac5f9872e858 | |
parent | 2f93f02ca356a40d90f3df0eac1adf1239572d27 (diff) | |
download | gcc-3d57f0f08572758a796bffe8776703c9cf16ea75.zip gcc-3d57f0f08572758a796bffe8776703c9cf16ea75.tar.gz gcc-3d57f0f08572758a796bffe8776703c9cf16ea75.tar.bz2 |
c-parser (c_parser_statement_after_labels): Move error from here...
2007-12-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* c-parser (c_parser_statement_after_labels): Move error from here...
(c_parser_label): ... to here. Check that the declaration is not
actually just another label.
testsuite/
* gcc.dg/parse-decl-after-if.c: New.
* gcc.dg/20031223-1.c: Adjust.
From-SVN: r130606
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/c-parser.c | 25 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/20031223-1.c | 1 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/parse-decl-after-if.c | 11 |
5 files changed, 37 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9c32e26..a7eb6a2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-12-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * c-parser (c_parser_statement_after_labels): Move error from here... + (c_parser_label): ... to here. Check that the declaration is not + actually just another label. + 2007-12-04 Richard Guenther <rguenther@suse.de> PR middle-end/34334 diff --git a/gcc/c-parser.c b/gcc/c-parser.c index 1e32b5b..c2e5435 100644 --- a/gcc/c-parser.c +++ b/gcc/c-parser.c @@ -3638,7 +3638,20 @@ c_parser_label (c_parser *parser) } } if (label) - SET_EXPR_LOCATION (label, loc1); + { + SET_EXPR_LOCATION (label, loc1); + if (c_parser_next_token_starts_declspecs (parser) + && !(c_parser_next_token_is (parser, CPP_NAME) + && c_parser_peek_2nd_token (parser)->type == CPP_COLON)) + { + error ("%Ha label can only be part of a statement and " + "a declaration is not a statement", + &c_parser_peek_token (parser)->location); + c_parser_declaration_or_fndef (parser, /*fndef_ok*/ false, + /*nested*/ true, /*empty_ok*/ false, + /*start_attr_ok*/ true); + } + } } /* Parse a statement (C90 6.6, C99 6.8). @@ -3864,16 +3877,6 @@ c_parser_statement_after_labels (c_parser *parser) break; default: expr_stmt: - if (c_parser_next_token_starts_declspecs (parser)) - { - error ("%Ha label can only be part of a statement and " - "a declaration is not a statement", - &c_parser_peek_token (parser)->location); - c_parser_declaration_or_fndef (parser, /*fndef_ok*/ false, - /*nested*/ true, /*empty_ok*/ false, - /*start_attr_ok*/ true); - return; - } stmt = c_finish_expr_stmt (c_parser_expression_conv (parser).value); expect_semicolon: c_parser_skip_until_found (parser, CPP_SEMICOLON, "expected %<;%>"); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 13e2cba..a4fc563 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-12-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * gcc.dg/parse-decl-after-if.c: New. + * gcc.dg/20031223-1.c: Adjust. + 2007-12-04 Douglas Gregor <doug.gregor@gmail.com> PR c++/33509 diff --git a/gcc/testsuite/gcc.dg/20031223-1.c b/gcc/testsuite/gcc.dg/20031223-1.c index d44a9cd..c2f35fc 100644 --- a/gcc/testsuite/gcc.dg/20031223-1.c +++ b/gcc/testsuite/gcc.dg/20031223-1.c @@ -9,4 +9,5 @@ void f () { l: int; /* { dg-error "a label can only be part of a statement and a declaration is not a statement" } */ /* { dg-warning "useless type name in empty declaration" "" { target *-*-* } 10 } */ + /* { dg-error "label at end of compound statement" "" { target *-*-* } 10 } */ } diff --git a/gcc/testsuite/gcc.dg/parse-decl-after-if.c b/gcc/testsuite/gcc.dg/parse-decl-after-if.c new file mode 100644 index 0000000..f48e6df --- /dev/null +++ b/gcc/testsuite/gcc.dg/parse-decl-after-if.c @@ -0,0 +1,11 @@ +/* Parse error recovery +{ dg-do compile } +{ dg-options "-fsyntax-only" } +*/ + +void f(x) +{ + if (x > 1) + int ret = 1; /* { dg-error "expected expression before 'int'" } */ + +} |