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re PR c++/17964 (cpp error messages contain wrong line in C++)

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gcc:
	PR c++/17964
	* diagnostic.c (diagnostic_set_info_translated): New function.
	(diagnostic_set_info): Use it.  Add comment.
	* diagnostic.h (diagnostic_set_info_translated): Declare.

gcc/cp:
	* error.c (cp_cpp_error): New function.
	* cp-tree.h (cp_cpp_error): Declare.
	* parser.c (cp_lexer_new_main): Set CPP option client_diagnostic
	and error callback after lexing.

gcc/testsuite:
	* g++.dg/cpp/string-1.C: New test.

libcpp:
	* include/cpplib.h (struct cpp_options): Add client_diagnostic.
	(struct cpp_callbacks): Add error.
	* errors.c (cpp_error): If client_diagnostic, use error callback.
	* charset.c (convert_escape): Don't use %03o in diagnostic.

From-SVN: r106454
This commit is contained in:
Joseph Myers 2005-11-03 23:08:18 +00:00 committed by Joseph Myers
parent b0ae01d7f9
commit 178b58b59e
13 changed files with 132 additions and 19 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
PR c++/17964
* diagnostic.c (diagnostic_set_info_translated): New function.
(diagnostic_set_info): Use it. Add comment.
* diagnostic.h (diagnostic_set_info_translated): Declare.
2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
* dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.

8
gcc/cp/ChangeLog
View File

@ -1,3 +1,11 @@
2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
PR c++/17964
* error.c (cp_cpp_error): New function.
* cp-tree.h (cp_cpp_error): Declare.
* parser.c (cp_lexer_new_main): Set CPP option client_diagnostic
and error callback after lexing.
2005-11-03 Mark Mitchell <mark@codesourcery.com>
PR c++/21627

3
gcc/cp/cp-tree.h
View File

@ -4437,5 +4437,8 @@ extern void cp_genericize (tree);
#else
#define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
#endif
extern void cp_cpp_error (cpp_reader *, int,
const char *, va_list)
ATTRIBUTE_GCC_CXXDIAG(3,0);
#endif /* ! GCC_CP_TREE_H */

33
gcc/cp/error.c
View File

@ -2327,3 +2327,36 @@ cp_printer (pretty_printer *pp, text_info *text, const char *spec,
#undef next_lang
#undef next_int
}
/* Callback from cpp_error for PFILE to print diagnostics arising from
interpreting strings. The diagnostic is of type LEVEL; MSG is the
translated message and AP the arguments. */
void
cp_cpp_error (cpp_reader *pfile ATTRIBUTE_UNUSED, int level,
const char *msg, va_list ap)
{
diagnostic_info diagnostic;
diagnostic_t dlevel;
switch (level)
{
case CPP_DL_WARNING:
case CPP_DL_WARNING_SYSHDR:
dlevel = DK_WARNING;
break;
case CPP_DL_PEDWARN:
dlevel = pedantic_error_kind ();
break;
case CPP_DL_ERROR:
dlevel = DK_ERROR;
break;
case CPP_DL_ICE:
dlevel = DK_ICE;
break;
default:
gcc_unreachable ();
}
diagnostic_set_info_translated (&diagnostic, msg, &ap,
input_location, dlevel);
report_diagnostic (&diagnostic);
}

5
gcc/cp/parser.c
View File

@ -297,6 +297,11 @@ cp_lexer_new_main (void)
string constant concatenation. */
c_lex_return_raw_strings = false;
/* Subsequent preprocessor diagnostics should use compiler
diagnostic functions to get the compiler source location. */
cpp_get_options (parse_in)->client_diagnostic = true;
cpp_get_callbacks (parse_in)->error = cp_cpp_error;
gcc_assert (lexer->next_token->type != CPP_PURGED);
return lexer;
}

24
gcc/diagnostic.c
View File

@ -112,17 +112,29 @@ diagnostic_initialize (diagnostic_context *context)
context->lock = 0;
}
/* Initialize DIAGNOSTIC, where the message MSG has already been
translated. */
void
diagnostic_set_info_translated (diagnostic_info *diagnostic, const char *msg,
va_list *args, location_t location,
diagnostic_t kind)
{
diagnostic->message.err_no = errno;
diagnostic->message.args_ptr = args;
diagnostic->message.format_spec = msg;
diagnostic->location = location;
diagnostic->kind = kind;
diagnostic->option_index = 0;
}
/* Initialize DIAGNOSTIC, where the message GMSGID has not yet been
translated. */
void
diagnostic_set_info (diagnostic_info *diagnostic, const char *gmsgid,
va_list *args, location_t location,
diagnostic_t kind)
{
diagnostic->message.err_no = errno;
diagnostic->message.args_ptr = args;
diagnostic->message.format_spec = _(gmsgid);
diagnostic->location = location;
diagnostic->kind = kind;
diagnostic->option_index = 0;
diagnostic_set_info_translated (diagnostic, _(gmsgid), args, location, kind);
}
/* Return a malloc'd string describing a location. The caller is

4
gcc/diagnostic.h
View File

@ -184,6 +184,10 @@ extern void diagnostic_report_diagnostic (diagnostic_context *,
#ifdef ATTRIBUTE_GCC_DIAG
extern void diagnostic_set_info (diagnostic_info *, const char *, va_list *,
location_t, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
extern void diagnostic_set_info_translated (diagnostic_info *, const char *,
va_list *, location_t,
diagnostic_t)
ATTRIBUTE_GCC_DIAG(2,0);
#endif
extern char *diagnostic_build_prefix (diagnostic_info *);

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
PR c++/17964
* g++.dg/cpp/string-1.C: New test.
2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
* gcc.target/powerpc: New directory.

9
gcc/testsuite/g++.dg/cpp/string-1.C Normal file
View File

@ -0,0 +1,9 @@
// Test location of diagnostics for interpreting strings. Bug 17964.
// Origin: Joseph Myers <joseph@codesourcery.com>
// { dg-do compile }
const char *s = "\q"; // { dg-error "unknown escape sequence" }
const char *t = "\ "; // { dg-error "unknown escape sequence" }
const char *u = "";

8
libcpp/ChangeLog
View File

@ -1,3 +1,11 @@
2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
PR c++/17964
* include/cpplib.h (struct cpp_options): Add client_diagnostic.
(struct cpp_callbacks): Add error.
* errors.c (cpp_error): If client_diagnostic, use error callback.
* charset.c (convert_escape): Don't use %03o in diagnostic.
2005-10-21 James E Wilson <wilson@specifix.com>
PR preprocessor/15220

10
libcpp/charset.c
View File

@ -1277,8 +1277,14 @@ convert_escape (cpp_reader *pfile, const uchar *from, const uchar *limit,
cpp_error (pfile, CPP_DL_PEDWARN,
"unknown escape sequence '\\%c'", (int) c);
else
cpp_error (pfile, CPP_DL_PEDWARN,
"unknown escape sequence: '\\%03o'", (int) c);
{
/* diagnostic.c does not support "%03o". When it does, this
code can use %03o directly in the diagnostic again. */
char buf[32];
sprintf(buf, "%03o", (int) c);
cpp_error (pfile, CPP_DL_PEDWARN,
"unknown escape sequence: '\\%s'", buf);
}
}
/* Now convert what we have to the execution character set. */

27
libcpp/errors.c
View File

@ -140,20 +140,25 @@ cpp_error (cpp_reader * pfile, int level, const char *msgid, ...)
va_start (ap, msgid);
if (CPP_OPTION (pfile, traditional))
{
if (pfile->state.in_directive)
src_loc = pfile->directive_line;
else
src_loc = pfile->line_table->highest_line;
}
if (CPP_OPTION (pfile, client_diagnostic))
pfile->cb.error (pfile, level, _(msgid), ap);
else
{
src_loc = pfile->cur_token[-1].src_loc;
}
if (CPP_OPTION (pfile, traditional))
{
if (pfile->state.in_directive)
src_loc = pfile->directive_line;
else
src_loc = pfile->line_table->highest_line;
}
else
{
src_loc = pfile->cur_token[-1].src_loc;
}
if (_cpp_begin_message (pfile, level, src_loc, 0))
v_message (msgid, ap);
if (_cpp_begin_message (pfile, level, src_loc, 0))
v_message (msgid, ap);
}
va_end (ap);
}

8
libcpp/include/cpplib.h
View File

@ -435,6 +435,9 @@ struct cpp_options
/* True means return pragmas as tokens rather than processing
them directly. */
bool defer_pragmas;
/* True means error callback should be used for diagnostics. */
bool client_diagnostic;
};
/* Callback for header lookup for HEADER, which is the name of a
@ -467,6 +470,11 @@ struct cpp_callbacks
int (*valid_pch) (cpp_reader *, const char *, int);
void (*read_pch) (cpp_reader *, const char *, int, const char *);
missing_header_cb missing_header;
/* Called to emit a diagnostic if client_diagnostic option is true.
This callback receives the translated message. */
void (*error) (cpp_reader *, int, const char *, va_list)
ATTRIBUTE_PRINTF(3,0);
};
/* Chain of directories to look for include files in. */