diagnostic.c (diagnostic_args): New macro.
2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com> * diagnostic.c (diagnostic_args): New macro. (diagnostic_msg): Likewise. (output_formatted_integer): Likewise. (output_state): New data type. (digit_buffer): Make global. (output_add_integer): Rename to output_decimal. Squeeze digit_buffer. (output_long_decimal, output_unsigned_decimal, output_long_unsigned_decimal, output_octal, output_long_octal, output_hexadecimal, output_long_hexadecimal): New functions. (output_append_r): New function. (output_append): Tweak. (output_flush_on): Rename to output_to_stream. (output_format): Change prototype. Improve documentation. Handle more format specifiers. (build_location_prefix): Rename to context_as_prefix. (output_notice): Rename to output_do_printf. (output_printf): Tweak. (line_wrapper_printf): Likewise. (vline_wrapper_message_with_location): Adjust call to renamed functions. (v_message_with_decl): Likewise. (default_print_error_function): Likewise. (save_output_state): New function. (restore_output_state): Likewise. (output_do_verbatim): Likewise. (output_verbatim): Define. (verbatim): Likewise. * diagnostic.h (printer_fn): Change return type from void to int. Improve documentation. (output_add_integer): Rename to output_decimal. (output_flush_on, output_format): Don't export. (output_verbatim, verbatim): Declare. From-SVN: r34932
This commit is contained in:
parent
8da603135f
commit
8514e31898
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@ -1,3 +1,40 @@
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2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
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* diagnostic.c (diagnostic_args): New macro.
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(diagnostic_msg): Likewise.
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(output_formatted_integer): Likewise.
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(output_state): New data type.
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(digit_buffer): Make global.
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(output_add_integer): Rename to output_decimal. Squeeze
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digit_buffer.
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(output_long_decimal, output_unsigned_decimal,
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output_long_unsigned_decimal, output_octal, output_long_octal,
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output_hexadecimal, output_long_hexadecimal): New functions.
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(output_append_r): New function.
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(output_append): Tweak.
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(output_flush_on): Rename to output_to_stream.
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(output_format): Change prototype. Improve documentation. Handle
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more format specifiers.
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(build_location_prefix): Rename to context_as_prefix.
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(output_notice): Rename to output_do_printf.
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(output_printf): Tweak.
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(line_wrapper_printf): Likewise.
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(vline_wrapper_message_with_location): Adjust call to renamed
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functions.
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(v_message_with_decl): Likewise.
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(default_print_error_function): Likewise.
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(save_output_state): New function.
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(restore_output_state): Likewise.
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(output_do_verbatim): Likewise.
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(output_verbatim): Define.
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(verbatim): Likewise.
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* diagnostic.h (printer_fn): Change return type from void to int.
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Improve documentation.
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(output_add_integer): Rename to output_decimal.
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(output_flush_on, output_format): Don't export.
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(output_verbatim, verbatim): Declare.
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2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
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* fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
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382
gcc/diagnostic.c
382
gcc/diagnostic.c
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@ -42,14 +42,40 @@ Boston, MA 02111-1307, USA. */
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#define obstack_chunk_alloc xmalloc
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#define obstack_chunk_free free
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#define diagnostic_args diagnostic_buffer->format_args
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#define diagnostic_msg diagnostic_buffer->cursor
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#define output_formatted_integer(BUFFER, FORMAT, INTEGER) \
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do { \
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sprintf (digit_buffer, FORMAT, INTEGER); \
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output_add_string (BUFFER, digit_buffer); \
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} while (0)
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/* This data structure serves to save/restore an output_buffer state. */
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typedef struct
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{
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const char *prefix;
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int maximum_length;
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int ideal_maximum_length;
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int emitted_prefix_p;
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int prefixing_rule;
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const char *cursor;
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va_list format_args;
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} output_state;
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/* Prototypes. */
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static int doing_line_wrapping PARAMS ((void));
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static void output_do_verbatim PARAMS ((output_buffer *));
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static void output_to_stream PARAMS ((output_buffer *, FILE *));
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static void output_format PARAMS ((output_buffer *));
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static char *vbuild_message_string PARAMS ((const char *, va_list));
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static char *build_message_string PARAMS ((const char *, ...))
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ATTRIBUTE_PRINTF_1;
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static char *build_location_prefix PARAMS ((const char *, int, int));
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static void output_notice PARAMS ((output_buffer *, const char *));
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static char *context_as_prefix PARAMS ((const char *, int, int));
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static void output_do_printf PARAMS ((output_buffer *, const char *));
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static void line_wrapper_printf PARAMS ((FILE *, const char *, ...))
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ATTRIBUTE_PRINTF_2;
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static void vline_wrapper_message_with_location PARAMS ((const char *, int,
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static void vnotice PARAMS ((FILE *, const char *, va_list));
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static void set_real_maximum_length PARAMS ((output_buffer *));
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static void save_output_state PARAMS ((const output_buffer *, output_state *));
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static void restore_output_state PARAMS ((const output_state *,
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output_buffer *));
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static void output_unsigned_decimal PARAMS ((output_buffer *, unsigned int));
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static void output_long_decimal PARAMS ((output_buffer *, long int));
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static void output_long_unsigned_decimal PARAMS ((output_buffer *,
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long unsigned int));
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static void output_octal PARAMS ((output_buffer *, int));
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static void output_long_octal PARAMS ((output_buffer *, long int));
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static void output_hexadecimal PARAMS ((output_buffer *, int));
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static void output_long_hexadecimal PARAMS ((output_buffer *, long int));
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static void output_append_r PARAMS ((output_buffer *, const char *, int));
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extern int rtl_dump_and_exit;
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extern int inhibit_warnings;
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extern int warnings_are_errors;
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/* Front-end specific tree formatter, if non-NULL. */
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printer_fn lang_printer = NULL;
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/* This must be large enough to hold any printed integer or
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floating-point value. */
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static char digit_buffer[128];
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/* An output_buffer surrogate for stderr. */
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static output_buffer global_output_buffer;
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output_buffer *diagnostic_buffer = &global_output_buffer;
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++buffer->line_length;
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}
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/* Add the stringified version of an integer to BUFFER. */
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/* These functions format an INTEGER into BUFFER as suggested by their
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names. */
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void
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output_add_integer (buffer, i)
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output_decimal (buffer, i)
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output_buffer *buffer;
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HOST_WIDE_INT i;
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int i;
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{
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/* This must be large enough to hold any printed integer or
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floating-point value. */
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static char digit_buffer[128];
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output_formatted_integer (buffer, "%d", i);
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}
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sprintf (digit_buffer, HOST_WIDE_INT_PRINT_DEC, i);
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output_add_string (buffer, digit_buffer);
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static void
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output_long_decimal (buffer, i)
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output_buffer *buffer;
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long int i;
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{
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output_formatted_integer (buffer, "%ld", i);
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}
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static void
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output_unsigned_decimal (buffer, i)
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output_buffer *buffer;
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unsigned int i;
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{
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output_formatted_integer (buffer, "%u", i);
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}
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static void
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output_long_unsigned_decimal (buffer, i)
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output_buffer *buffer;
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long unsigned int i;
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{
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output_formatted_integer (buffer, "%lu", i);
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}
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static void
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output_octal (buffer, i)
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output_buffer *buffer;
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int i;
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{
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output_formatted_integer (buffer, "%o", i);
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}
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static void
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output_long_octal (buffer, i)
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output_buffer *buffer;
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long int i;
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{
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output_formatted_integer (buffer, "%lo", i);
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}
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static void
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output_hexadecimal (buffer, i)
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output_buffer *buffer;
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int i;
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{
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output_formatted_integer (buffer, "%x", i);
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}
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static void
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output_long_hexadecimal (buffer, i)
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output_buffer *buffer;
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long int i;
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{
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output_formatted_integer (buffer, "%lx", i);
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}
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/* Append to BUFFER a string specified by its STARTING character
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and LENGTH. */
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static void
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output_append_r (buffer, start, length)
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output_buffer *buffer;
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const char *start;
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int length;
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{
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obstack_grow (&buffer->obstack, start, length);
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buffer->line_length += length;
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}
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/* Append a string deliminated by START and END to BUFFER. No wrapping is
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done. The caller must ensure that it is safe to do so. */
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done. However, if beginning a new line then emit BUFFER->PREFIX and
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skip any leading whitespace if appropriate. The caller must ensure
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that it is safe to do so. */
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void
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output_append (buffer, start, end)
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output_buffer *buffer;
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const char *start;
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const char *end;
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{
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int n;
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/* Emit prefix and skip whitespace if we're starting a new line. */
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if (buffer->line_length == 0)
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{
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output_emit_prefix (buffer);
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while (start != end && *start == ' ')
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++start;
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if (output_is_line_wrapping (buffer))
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while (start != end && *start == ' ')
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++start;
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}
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n = end - start;
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obstack_grow (&buffer->obstack, start, n);
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buffer->line_length += n;
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output_append_r (buffer, start, end - start);
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}
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/* Wrap a STRing into BUFFER. */
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/* Flush the content of BUFFER onto FILE and reinitialize BUFFER. */
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void
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output_flush_on (buffer, file)
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static void
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output_to_stream (buffer, file)
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output_buffer *buffer;
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FILE *file;
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{
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output_clear (buffer);
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}
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/* Format MESSAGE into BUFFER. */
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void
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output_format (buffer, msg)
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/* Format a message pointed to by BUFFER->CURSOR using BUFFER->CURSOR
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as appropriate. The following format specifiers are recognized as
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being language independent:
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%d, %i: (signed) integer in base ten.
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%u: unsigned integer in base ten.
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%o: (signed) integer in base eight.
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%x: (signged) integer in base sixteen.
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%ld, %li, %lo, %lu, %lx: long versions of the above.
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%c: character.
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%s: string.
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%%: `%'.
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%*.s: a substring the length of which is specified by an integer. */
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static void
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output_format (buffer)
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output_buffer *buffer;
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const char *msg;
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{
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for (buffer->cursor = msg; *buffer->cursor; ++buffer->cursor)
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const char *msg = buffer->cursor;
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for (; *buffer->cursor; ++buffer->cursor)
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{
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int long_integer = 0;
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/* Ignore text. */
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if (*buffer->cursor != '%')
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{
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@ -443,24 +561,86 @@ output_format (buffer, msg)
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continue;
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}
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/* We got a '%'. Let's see what happens. */
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++buffer->cursor;
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/* Let's handle the traditional cases. */
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if (*buffer->cursor == 's')
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output_add_string (buffer, va_arg (buffer->format_args, const char *));
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else if (*buffer->cursor == 'd')
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output_add_integer (buffer, va_arg (buffer->format_args, int));
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else if (*buffer->cursor == '%')
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/* It was a '%%'. Just output a '%'. */
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output_add_character (buffer, '%');
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else if (lang_printer)
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(*lang_printer) (buffer);
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else
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/* We got a '%'. Let's see what happens. Record whether we're
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parsing a long integer format specifier. */
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if (*++buffer->cursor == 'l')
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{
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/* Hmmm. The front-end failed to install a format translator
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but called us with an unrecognized format. Sorry. */
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abort();
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long_integer = 1;
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++buffer->cursor;
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}
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/* Handle %c, %d, %i, %ld, %li, %lo, %lu, %lx, %o, %s, %u,
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%x, %.*s; %%. And nothing else. Front-ends should install
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printers to grok language specific format specifiers. */
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switch (*buffer->cursor)
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{
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case 'c':
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output_add_character
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(buffer, va_arg (buffer->format_args, int));
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break;
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case 'd':
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case 'i':
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if (long_integer)
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output_long_decimal
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(buffer, va_arg (buffer->format_args, long int));
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else
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output_decimal (buffer, va_arg (buffer->format_args, int));
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break;
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case 'o':
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if (long_integer)
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output_long_octal
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(buffer, va_arg (buffer->format_args, long int));
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else
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output_octal (buffer, va_arg (buffer->format_args, int));
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break;
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case 's':
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output_add_string
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(buffer, va_arg (buffer->format_args, const char *));
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break;
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case 'u':
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if (long_integer)
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output_long_unsigned_decimal
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(buffer, va_arg (buffer->format_args, long unsigned int));
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else
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output_unsigned_decimal
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(buffer, va_arg (buffer->format_args, unsigned int));
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case 'x':
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if (long_integer)
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output_long_hexadecimal
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(buffer, va_arg (buffer->format_args, long int));
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else
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output_hexadecimal (buffer, va_arg (buffer->format_args, int));
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break;
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case '%':
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output_add_character (buffer, '%');
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break;
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case '.':
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{
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int n;
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/* We handle no precision specifier but `%.*s'. */
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if (*++buffer->cursor != '*')
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abort ();
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else if (*++buffer->cursor != 's')
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abort();
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n = va_arg (buffer->format_args, int);
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output_append (buffer, msg, msg + n);
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}
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break;
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default:
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if (!lang_printer || !(*lang_printer) (buffer))
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{
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/* Hmmm. The front-end failed to install a format translator
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but called us with an unrecognized format. Sorry. */
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abort();
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}
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}
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}
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output_finish (buffer);
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|
@ -507,7 +687,7 @@ build_message_string VPARAMS ((const char *msgid, ...))
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responsible for freeing the memory. */
|
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|
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static char *
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build_location_prefix (file, line, warn)
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context_as_prefix (file, line, warn)
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const char *file;
|
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int line;
|
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int warn;
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|
@ -531,7 +711,7 @@ build_location_prefix (file, line, warn)
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/* Format a MESSAGE into BUFFER. Automatically wrap lines. */
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|
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static void
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output_notice (buffer, msgid)
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output_do_printf (buffer, msgid)
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output_buffer *buffer;
|
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const char *msgid;
|
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{
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|
@ -552,17 +732,20 @@ output_printf VPARAMS ((struct output_buffer *buffer, const char *msgid, ...))
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const char *msgid;
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#endif
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va_list ap;
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va_list old_args;
|
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|
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VA_START (ap, msgid);
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|
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#ifndef ANSI_PROTOTYPES
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buffer = va_arg (ap, struct output_buffer *);
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msgid = va_arg (ap, const char *);
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#endif
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va_copy (old_args, buffer->format_args);
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va_copy (buffer->format_args, ap);
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output_notice (buffer, msgid);
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output_do_printf (buffer, msgid);
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va_end (buffer->format_args);
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va_copy (buffer->format_args, old_args);
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}
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|
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|
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|
@ -578,7 +761,7 @@ line_wrapper_printf VPARAMS ((FILE *file, const char *msgid, ...))
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#endif
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output_buffer buffer;
|
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|
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init_output_buffer (&buffer, NULL, diagnostic_message_length_per_line);
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default_initialize_buffer (&buffer);
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VA_START (buffer.format_args, msgid);
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|
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#ifndef ANSI_PROTOTYPES
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|
@ -586,8 +769,8 @@ line_wrapper_printf VPARAMS ((FILE *file, const char *msgid, ...))
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msgid = va_arg (buffer.format_args, const char *);
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#endif
|
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|
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output_notice (&buffer, msgid);
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output_flush_on (&buffer, file);
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output_do_printf (&buffer, msgid);
|
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output_to_stream (&buffer, file);
|
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|
||||
va_end (buffer.format_args);
|
||||
}
|
||||
|
@ -603,11 +786,11 @@ vline_wrapper_message_with_location (file, line, warn, msgid, ap)
|
|||
{
|
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output_buffer buffer;
|
||||
|
||||
init_output_buffer (&buffer, build_location_prefix (file, line, warn),
|
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init_output_buffer (&buffer, context_as_prefix (file, line, warn),
|
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diagnostic_message_length_per_line);
|
||||
va_copy (buffer.format_args, ap);
|
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output_notice (&buffer, msgid);
|
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output_flush_on (&buffer, stderr);
|
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output_do_printf (&buffer, msgid);
|
||||
output_to_stream (&buffer, stderr);
|
||||
|
||||
output_destroy_prefix (&buffer);
|
||||
fputc ('\n', stderr);
|
||||
|
@ -692,7 +875,7 @@ v_message_with_decl (decl, warn, msgid, ap)
|
|||
if (doing_line_wrapping ())
|
||||
{
|
||||
init_output_buffer
|
||||
(&buffer, build_location_prefix
|
||||
(&buffer, context_as_prefix
|
||||
(DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl), warn),
|
||||
diagnostic_message_length_per_line);
|
||||
}
|
||||
|
@ -747,7 +930,7 @@ v_message_with_decl (decl, warn, msgid, ap)
|
|||
if (doing_line_wrapping ())
|
||||
{
|
||||
va_copy (buffer.format_args, ap);
|
||||
output_notice (&buffer, p);
|
||||
output_do_printf (&buffer, p);
|
||||
va_copy (ap, buffer.format_args);
|
||||
}
|
||||
else
|
||||
|
@ -756,7 +939,7 @@ v_message_with_decl (decl, warn, msgid, ap)
|
|||
|
||||
if (doing_line_wrapping())
|
||||
{
|
||||
output_flush_on (&buffer, stderr);
|
||||
output_to_stream (&buffer, stderr);
|
||||
output_destroy_prefix (&buffer);
|
||||
}
|
||||
|
||||
|
@ -1255,7 +1438,7 @@ default_print_error_function (file)
|
|||
last_error_function = current_function_decl;
|
||||
|
||||
if (doing_line_wrapping ())
|
||||
output_flush_on (&buffer, stderr);
|
||||
output_to_stream (&buffer, stderr);
|
||||
|
||||
free ((char*) prefix);
|
||||
}
|
||||
|
@ -1508,3 +1691,88 @@ warning VPARAMS ((const char *msgid, ...))
|
|||
va_end (ap);
|
||||
}
|
||||
|
||||
/* Save BUFFER's STATE. */
|
||||
static void
|
||||
save_output_state (buffer, state)
|
||||
const output_buffer *buffer;
|
||||
output_state *state;
|
||||
{
|
||||
state->prefix = buffer->prefix;
|
||||
state->maximum_length = buffer->maximum_length;
|
||||
state->ideal_maximum_length = buffer->ideal_maximum_length;
|
||||
state->emitted_prefix_p = buffer->emitted_prefix_p;
|
||||
state->prefixing_rule = buffer->prefixing_rule;
|
||||
state->cursor = buffer->cursor;
|
||||
va_copy (state->format_args, buffer->format_args);
|
||||
}
|
||||
|
||||
/* Restore BUFFER's previously saved STATE. */
|
||||
static void
|
||||
restore_output_state (state, buffer)
|
||||
const output_state *state;
|
||||
output_buffer *buffer;
|
||||
{
|
||||
buffer->prefix = state->prefix;
|
||||
buffer->maximum_length = state->maximum_length;
|
||||
buffer->ideal_maximum_length = state->ideal_maximum_length;
|
||||
buffer->emitted_prefix_p = state->emitted_prefix_p;
|
||||
buffer->prefixing_rule = state->prefixing_rule;
|
||||
buffer->cursor = state->cursor;
|
||||
va_copy (buffer->format_args, state->format_args);
|
||||
}
|
||||
|
||||
/* Helper subroutine of output_verbatim and verbatim. Do the approriate
|
||||
settings needed by BUFFER for a verbatim formatting. */
|
||||
static void
|
||||
output_do_verbatim (buffer)
|
||||
output_buffer *buffer;
|
||||
{
|
||||
buffer->prefix = NULL;
|
||||
buffer->prefixing_rule = DIAGNOSTICS_SHOW_PREFIX_NEVER;
|
||||
output_set_maximum_length (buffer, 0);
|
||||
output_format (buffer);
|
||||
}
|
||||
|
||||
/* Output MESSAGE verbatim into BUFFER. */
|
||||
void
|
||||
output_verbatim VPARAMS ((output_buffer *buffer, const char *msg, ...))
|
||||
{
|
||||
#ifndef ANSI_PROTOTYPES
|
||||
output_buffer *buffer;
|
||||
const char *msg;
|
||||
#endif
|
||||
output_state previous_state;
|
||||
va_list ap;
|
||||
|
||||
VA_START (ap, msg);
|
||||
#ifndef ANSI_PROTOTYPES
|
||||
buffer = va_arg (ap, output_buffer *);
|
||||
msg = va_arg (ap, const char *);
|
||||
#endif
|
||||
save_output_state (buffer, &previous_state);
|
||||
buffer->cursor = msg;
|
||||
va_copy (buffer->format_args, ap);
|
||||
output_do_verbatim(buffer);
|
||||
va_end (buffer->format_args);
|
||||
restore_output_state (&previous_state, buffer);
|
||||
}
|
||||
|
||||
/* Same as above but use diagnostic_buffer. */
|
||||
void
|
||||
verbatim VPARAMS ((const char *msg, ...))
|
||||
{
|
||||
#ifndef ANSI_PROTOTYPES
|
||||
const char *msg;
|
||||
#endif
|
||||
output_state previous_state;
|
||||
save_output_state (diagnostic_buffer, &previous_state);
|
||||
VA_START (diagnostic_args, msg);
|
||||
#ifndef ANSI_PROTOTYPES
|
||||
msg = va_arg (diagnostic_args, const char *);
|
||||
#endif
|
||||
diagnostic_msg = msg;
|
||||
output_do_verbatim (diagnostic_buffer);
|
||||
output_to_stream (diagnostic_buffer, stderr);
|
||||
va_end (diagnostic_args);
|
||||
restore_output_state (&previous_state, diagnostic_buffer);
|
||||
}
|
||||
|
|
|
@ -32,8 +32,9 @@ typedef struct output_buffer output_buffer;
|
|||
#define DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE 0x2
|
||||
|
||||
/* The type of front-end specific hook that formats trees into an
|
||||
output_buffer. */
|
||||
typedef void (*printer_fn) PARAMS ((output_buffer *));
|
||||
output_buffer. A language specific printer returns a truth value if
|
||||
everything goes well. */
|
||||
typedef int (*printer_fn) PARAMS ((output_buffer *));
|
||||
|
||||
/* The output buffer datatype. This is best seen as an abstract datatype. */
|
||||
struct output_buffer
|
||||
|
@ -109,14 +110,15 @@ int output_space_left PARAMS ((const output_buffer *));
|
|||
void output_append PARAMS ((output_buffer *, const char *,
|
||||
const char *));
|
||||
void output_add_character PARAMS ((output_buffer *, int));
|
||||
void output_add_integer PARAMS ((output_buffer *, HOST_WIDE_INT));
|
||||
void output_decimal PARAMS ((output_buffer *, int));
|
||||
void output_add_string PARAMS ((output_buffer *, const char *));
|
||||
const char *output_finish PARAMS ((output_buffer *));
|
||||
void output_flush_on PARAMS ((output_buffer *, FILE *));
|
||||
void output_printf PARAMS ((output_buffer *, const char *,
|
||||
...)) ATTRIBUTE_PRINTF_2;
|
||||
void output_format PARAMS ((output_buffer *, const char *));
|
||||
int output_is_line_wrapping PARAMS ((output_buffer *));
|
||||
void set_message_prefixing_rule PARAMS ((int));
|
||||
void output_verbatim PARAMS ((output_buffer *, const char *, ...))
|
||||
ATTRIBUTE_PRINTF_2;
|
||||
void verbatim PARAMS ((const char *, ...)) ATTRIBUTE_PRINTF_1;
|
||||
|
||||
#endif /* __GCC_DIAGNOSTIC_H__ */
|
||||
|
|
Loading…
Reference in New Issue