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c-parser.c (c_parser_declaration_or_fndef): Pass init_loc to maybe_warn_string_init.

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* c-parser.c (c_parser_declaration_or_fndef): Pass init_loc to
	maybe_warn_string_init.
	(c_parser_postfix_expression_after_paren_type): Pass type_loc to
	maybe_warn_string_init.
	* c-tree.h (maybe_warn_string_init): Update declaration.
	* c-typeck.c (maybe_warn_string_init): Add location parameter.
	Call pedwarn_init with loc instead of with input_location.
	(digest_init): Pass init_loc to maybe_warn_string_init.
	(pop_init_level): Call pedwarn_init with loc instead of with
	input_location.
	(set_init_index): Likewise.
	(process_init_element): Likewise.

	* gcc.dg/pedwarn-init.c: New test.
	* gcc.dg/init-string-1.c: Adjust dg-error.

From-SVN: r210300
This commit is contained in:
Marek Polacek 2014-05-10 20:03:57 +00:00 committed by Marek Polacek
parent 0059920267
commit d033409e94
7 changed files with 60 additions and 21 deletions
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15
gcc/c/ChangeLog
View File

@ -1,3 +1,18 @@
2014-05-10 Marek Polacek <polacek@redhat.com>
* c-parser.c (c_parser_declaration_or_fndef): Pass init_loc to
maybe_warn_string_init.
(c_parser_postfix_expression_after_paren_type): Pass type_loc to
maybe_warn_string_init.
* c-tree.h (maybe_warn_string_init): Update declaration.
* c-typeck.c (maybe_warn_string_init): Add location parameter.
Call pedwarn_init with loc instead of with input_location.
(digest_init): Pass init_loc to maybe_warn_string_init.
(pop_init_level): Call pedwarn_init with loc instead of with
input_location.
(set_init_index): Likewise.
(process_init_element): Likewise.
2014-05-09 Marek Polacek <polacek@redhat.com>
PR c/61096

6
gcc/c/c-parser.c
View File

@ -1777,9 +1777,9 @@ c_parser_declaration_or_fndef (c_parser *parser, bool fndef_ok,
}
if (d != error_mark_node)
{
maybe_warn_string_init (TREE_TYPE (d), init);
maybe_warn_string_init (init_loc, TREE_TYPE (d), init);
finish_decl (d, init_loc, init.value,
init.original_type, asm_name);
init.original_type, asm_name);
}
}
else
@ -7599,7 +7599,7 @@ c_parser_postfix_expression_after_paren_type (c_parser *parser,
}
init = c_parser_braced_init (parser, type, false);
finish_init ();
maybe_warn_string_init (type, init);
maybe_warn_string_init (type_loc, type, init);
if (type != error_mark_node
&& !ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (type))

2
gcc/c/c-tree.h
View File

@ -602,7 +602,7 @@ extern tree build_compound_expr (location_t, tree, tree);
extern tree c_cast_expr (location_t, struct c_type_name *, tree);
extern tree build_c_cast (location_t, tree, tree);
extern void store_init_value (location_t, tree, tree, tree);
extern void maybe_warn_string_init (tree, struct c_expr);
extern void maybe_warn_string_init (location_t, tree, struct c_expr);
extern void start_init (tree, tree, int);
extern void finish_init (void);
extern void really_start_incremental_init (tree);

30
gcc/c/c-typeck.c
View File

@ -5596,13 +5596,13 @@ warning_init (location_t loc, int opt, const char *gmsgid)
object of type TYPE. */
void
maybe_warn_string_init (tree type, struct c_expr expr)
maybe_warn_string_init (location_t loc, tree type, struct c_expr expr)
{
if (pedantic
&& TREE_CODE (type) == ARRAY_TYPE
&& TREE_CODE (expr.value) == STRING_CST
&& expr.original_code != STRING_CST)
pedwarn_init (input_location, OPT_Wpedantic,
pedwarn_init (loc, OPT_Wpedantic,
"array initialized from parenthesized string constant");
}
@ -5657,14 +5657,14 @@ convert_for_assignment (location_t location, location_t expr_loc, tree type,
/* This macro is used to emit diagnostics to ensure that all format
strings are complete sentences, visible to gettext and checked at
compile time. */
#define WARN_FOR_ASSIGNMENT(LOCATION, OPT, AR, AS, IN, RE) \
#define WARN_FOR_ASSIGNMENT(LOCATION, OPT, AR, AS, IN, RE) \
do { \
switch (errtype) \
{ \
case ic_argpass: \
if (pedwarn (LOCATION, OPT, AR, parmnum, rname)) \
inform ((fundecl && !DECL_IS_BUILTIN (fundecl)) \
? DECL_SOURCE_LOCATION (fundecl) : LOCATION, \
? DECL_SOURCE_LOCATION (fundecl) : LOCATION, \
"expected %qT but argument is of type %qT", \
type, rhstype); \
break; \
@ -5675,7 +5675,7 @@ convert_for_assignment (location_t location, location_t expr_loc, tree type,
pedwarn_init (LOCATION, OPT, IN); \
break; \
case ic_return: \
pedwarn (LOCATION, OPT, RE); \
pedwarn (LOCATION, OPT, RE); \
break; \
default: \
gcc_unreachable (); \
@ -6541,7 +6541,7 @@ digest_init (location_t init_loc, tree type, tree init, tree origtype,
expr.value = inside_init;
expr.original_code = (strict_string ? STRING_CST : ERROR_MARK);
expr.original_type = NULL;
maybe_warn_string_init (type, expr);
maybe_warn_string_init (init_loc, type, expr);
if (TYPE_DOMAIN (type) && !TYPE_MAX_VALUE (TYPE_DOMAIN (type)))
pedwarn_init (init_loc, OPT_Wpedantic,
@ -7430,7 +7430,7 @@ pop_init_level (location_t loc, int implicit,
if (constructor_depth > 2)
error_init (loc, "initialization of flexible array member in a nested context");
else
pedwarn_init (input_location, OPT_Wpedantic,
pedwarn_init (loc, OPT_Wpedantic,
"initialization of a flexible array member");
/* We have already issued an error message for the existence
@ -7650,7 +7650,7 @@ push_range_stack (tree range_end, struct obstack * braced_init_obstack)
void
set_init_index (location_t loc, tree first, tree last,
struct obstack * braced_init_obstack)
struct obstack *braced_init_obstack)
{
if (set_designator (loc, 1, braced_init_obstack))
return;
@ -7668,7 +7668,7 @@ set_init_index (location_t loc, tree first, tree last,
{
first = c_fully_fold (first, false, NULL);
if (TREE_CODE (first) == INTEGER_CST)
pedwarn_init (input_location, OPT_Wpedantic,
pedwarn_init (loc, OPT_Wpedantic,
"array index in initializer is not "
"an integer constant expression");
}
@ -7677,7 +7677,7 @@ set_init_index (location_t loc, tree first, tree last,
{
last = c_fully_fold (last, false, NULL);
if (TREE_CODE (last) == INTEGER_CST)
pedwarn_init (input_location, OPT_Wpedantic,
pedwarn_init (loc, OPT_Wpedantic,
"array index in initializer is not "
"an integer constant expression");
}
@ -8745,7 +8745,7 @@ process_init_element (location_t loc, struct c_expr value, bool implicit,
if (constructor_fields == 0)
{
pedwarn_init (input_location, 0,
pedwarn_init (loc, 0,
"excess elements in union initializer");
break;
}
@ -8835,7 +8835,7 @@ process_init_element (location_t loc, struct c_expr value, bool implicit,
&& (tree_int_cst_lt (constructor_max_index, constructor_index)
|| integer_all_onesp (constructor_max_index)))
{
pedwarn_init (input_location, 0,
pedwarn_init (loc, 0,
"excess elements in array initializer");
break;
}
@ -8869,7 +8869,7 @@ process_init_element (location_t loc, struct c_expr value, bool implicit,
always have a fixed size derived from their type. */
if (tree_int_cst_lt (constructor_max_index, constructor_index))
{
pedwarn_init (input_location, 0,
pedwarn_init (loc, 0,
"excess elements in vector initializer");
break;
}
@ -8901,7 +8901,7 @@ process_init_element (location_t loc, struct c_expr value, bool implicit,
else if (constructor_type != error_mark_node
&& constructor_fields == 0)
{
pedwarn_init (input_location, 0,
pedwarn_init (loc, 0,
"excess elements in scalar initializer");
break;
}
@ -9413,7 +9413,7 @@ do_case (location_t loc, tree low_value, tree high_value)
{
low_value = c_fully_fold (low_value, false, NULL);
if (TREE_CODE (low_value) == INTEGER_CST)
pedwarn (input_location, OPT_Wpedantic,
pedwarn (loc, OPT_Wpedantic,
"case label is not an integer constant expression");
}

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2014-05-10 Marek Polacek <polacek@redhat.com>
* gcc.dg/pedwarn-init.c: New test.
* gcc.dg/init-string-1.c: Adjust dg-error.
2014-05-10 Hans-Peter Nilsson <hp@bitrange.com>
* lib/target-supports.exp

4
gcc/testsuite/gcc.dg/init-string-1.c
View File

@ -30,7 +30,7 @@ struct s j = {
1,
(L"j")
}; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "parenthesized|near init" "paren array" { target *-*-* } 32 } */
/* { dg-error "parenthesized|near init" "paren array" { target *-*-* } 31 } */
struct s k = {
(("k")), /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "parenthesized|near init" "paren array" { target *-*-* } 35 } */
@ -48,7 +48,7 @@ struct s m = {
.c = L"m",
.a = ("m")
}; /* { dg-bogus "warning" "warning in place of error" } */
/* { dg-error "parenthesized|near init" "paren array" { target *-*-* } 50 } */
/* { dg-error "parenthesized|near init" "paren array" { target *-*-* } 49 } */
char *n = (char []){ "n" };

19
gcc/testsuite/gcc.dg/pedwarn-init.c Normal file
View File

@ -0,0 +1,19 @@
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wpedantic" } */
/* { dg-prune-output ".*near initialization for.*" } */
typedef unsigned vec __attribute__ ((vector_size (2 * sizeof (int))));
union u { int a; double d; };
struct S { int i; char fam[]; };
int i;
vec v = { 1, 2, 3 }; /* { dg-warning "17:excess elements in vector initializer" } */
int a1 = { 1, 2 }; /* { dg-warning "15:excess elements in scalar initializer" } */
int a2[2] = { 1, 2, 3 }; /* { dg-warning "21:excess elements in array initializer" } */
int a3[] = { [1 ? 1 : i] = 0 }; /* { dg-warning "15:array index in initializer is not an integer constant expression" } */
int a4[] = { [1 ... 1 ? 2 : i] = 0 }; /* { dg-warning "15:array index in initializer is not an integer constant expression" } */
char a5[] = ("lol"); /* { dg-warning "13:array initialized from parenthesized string constant" } */
char a6[] = { ("foo") }; /* { dg-warning "13:array initialized from parenthesized string constant" } */
char *a7 = (char []) { ("bar") }; /* { dg-warning "12:array initialized from parenthesized string constant" } */
union u u = { 1, 1.0 }; /* { dg-warning "18:excess elements in union initializer" } */
struct S s = { 1, 2 }; /* { dg-warning "14:initialization of a flexible array member" } */