You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_PRETTY_PRINT_H
#define GCC_PRETTY_PRINT_H
#include "obstack.h"
#include "input.h"
+/* Maximum number of format string arguments. */
+#define PP_NL_ARGMAX 30
+
/* The type of a text to be formatted according a format specification
along with a list of things. */
typedef struct
const char *format_spec;
va_list *args_ptr;
int err_no; /* for %m */
+ location_t *locus;
} text_info;
/* How often diagnostics are prefixed by their locations:
DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE = 0x2
} diagnostic_prefixing_rule_t;
+/* The chunk_info data structure forms a stack of the results from the
+ first phase of formatting (pp_base_format) which have not yet been
+ output (pp_base_output_formatted_text). A stack is necessary because
+ the diagnostic starter may decide to generate its own output by way
+ of the formatter. */
+struct chunk_info
+{
+ /* Pointer to previous chunk on the stack. */
+ struct chunk_info *prev;
+
+ /* Array of chunks to output. Each chunk is a NUL-terminated string.
+ In the first phase of formatting, even-numbered chunks are
+ to be output verbatim, odd-numbered chunks are format specifiers.
+ The second phase replaces all odd-numbered chunks with formatted
+ text, and the third phase simply emits all the chunks in sequence
+ with appropriate line-wrapping. */
+ const char *args[PP_NL_ARGMAX * 2];
+};
+
/* The output buffer datatype. This is best seen as an abstract datatype
whose fields should not be accessed directly by clients. */
typedef struct
{
- /* The obstack where the text is built up. */
- struct obstack obstack;
+ /* Obstack where the text is built up. */
+ struct obstack formatted_obstack;
+
+ /* Obstack containing a chunked representation of the format
+ specification plus arguments. */
+ struct obstack chunk_obstack;
+
+ /* Currently active obstack: one of the above two. This is used so
+ that the text formatters don't need to know which phase we're in. */
+ struct obstack *obstack;
+
+ /* Stack of chunk arrays. These come from the chunk_obstack. */
+ struct chunk_info *cur_chunk_array;
/* Where to output formatted text. */
FILE *stream;
pp_none, pp_before, pp_after
} pp_padding;
+/* Structure for switching in and out of verbatim mode in a convenient
+ manner. */
+typedef struct
+{
+ /* Current prefixing rule. */
+ diagnostic_prefixing_rule_t rule;
+
+ /* The ideal upper bound of number of characters per line, as suggested
+ by front-end. */
+ int line_cutoff;
+} pp_wrapping_mode_t;
+
+/* Maximum characters per line in automatic line wrapping mode.
+ Zero means don't wrap lines. */
+#define pp_line_cutoff(PP) pp_base (PP)->wrapping.line_cutoff
+
+/* Prefixing rule used in formatting a diagnostic message. */
+#define pp_prefixing_rule(PP) pp_base (PP)->wrapping.rule
+
+/* Get or set the wrapping mode as a single entity. */
+#define pp_wrapping_mode(PP) pp_base (PP)->wrapping
+
/* The type of a hook that formats client-specific data onto a pretty_pinter.
A client-supplied formatter returns true if everything goes well,
otherwise it returns false. */
typedef struct pretty_print_info pretty_printer;
-typedef bool (*printer_fn) (pretty_printer *, text_info *);
+typedef bool (*printer_fn) (pretty_printer *, text_info *, const char *,
+ int, bool, bool, bool);
/* Client supplied function used to decode formats. */
#define pp_format_decoder(PP) pp_base (PP)->format_decoder
formatting. */
#define pp_needs_newline(PP) pp_base (PP)->need_newline
-/* Maximum characters per line in automatic line wrapping mode.
- Zero means don't wrap lines. */
-#define pp_line_cutoff(PP) pp_base (PP)->ideal_maximum_length
-
/* True if PRETTY-PTINTER is in line-wrapping mode. */
#define pp_is_wrapping_line(PP) (pp_line_cutoff (PP) > 0)
-/* Prefixing rule used in formatting a diagnostic message. */
-#define pp_prefixing_rule(PP) pp_base (PP)->prefixing_rule
-
/* The amount of whitespace to be emitted when starting a new line. */
#define pp_indentation(PP) pp_base (PP)->indent_skip
account the case of a very very looong prefix. */
int maximum_length;
- /* The ideal upper bound of number of characters per line, as suggested
- by front-end. */
- int ideal_maximum_length;
-
/* Indentation count. */
int indent_skip;
- /* Current prefixing rule. */
- diagnostic_prefixing_rule_t prefixing_rule;
+ /* Current wrapping mode. */
+ pp_wrapping_mode_t wrapping;
/* If non-NULL, this function formats a TEXT into the BUFFER. When called,
TEXT->format_spec points to a format code. FORMAT_DECODER should call
#define pp_append_text(PP, B, E) \
pp_base_append_text (pp_base (PP), B, E)
#define pp_flush(PP) pp_base_flush (pp_base (PP))
-#define pp_prepare_to_format(PP, TI, LOC) \
- pp_base_prepare_to_format (pp_base (PP), TI, LOC)
-#define pp_format_text(PP, TI) pp_base_format_text (pp_base (PP), TI)
+#define pp_format(PP, TI) pp_base_format (pp_base (PP), TI)
+#define pp_output_formatted_text(PP) \
+ pp_base_output_formatted_text (pp_base (PP))
#define pp_format_verbatim(PP, TI) \
pp_base_format_verbatim (pp_base (PP), TI)
#define pp_decimal_int(PP, I) pp_scalar (PP, "%d", I)
#define pp_wide_integer(PP, I) \
pp_scalar (PP, HOST_WIDE_INT_PRINT_DEC, (HOST_WIDE_INT) I)
+#define pp_widest_integer(PP, I) \
+ pp_scalar (PP, HOST_WIDEST_INT_PRINT_DEC, (HOST_WIDEST_INT) I)
#define pp_pointer(PP, P) pp_scalar (PP, "%p", P)
#define pp_identifier(PP, ID) pp_string (PP, ID)
IDENTIFIER_POINTER (T) + IDENTIFIER_LENGTH (T))
#define pp_unsupported_tree(PP, T) \
- pp_verbatim (pp_base (PP), "#`%s' not supported by %s#", \
+ pp_verbatim (pp_base (PP), "#%qs not supported by %s#", \
tree_code_name[(int) TREE_CODE (T)], __FUNCTION__)
extern void pp_printf (pretty_printer *, const char *, ...)
ATTRIBUTE_GCC_PPDIAG(2,3);
-extern void pp_verbatim (pretty_printer *, const char *, ...);
+extern void pp_verbatim (pretty_printer *, const char *, ...)
+ ATTRIBUTE_GCC_PPDIAG(2,3);
extern void pp_base_flush (pretty_printer *);
-extern void pp_base_prepare_to_format (pretty_printer *, text_info *,
- location_t *);
-extern void pp_base_format_text (pretty_printer *, text_info *);
+extern void pp_base_format (pretty_printer *, text_info *);
+extern void pp_base_output_formatted_text (pretty_printer *);
extern void pp_base_format_verbatim (pretty_printer *, text_info *);
extern void pp_base_indent (pretty_printer *);
extern void pp_write_text_to_stream (pretty_printer *pp);
extern void pp_base_maybe_space (pretty_printer *);
+/* Switch into verbatim mode and return the old mode. */
+static inline pp_wrapping_mode_t
+pp_set_verbatim_wrapping_ (pretty_printer *pp)
+{
+ pp_wrapping_mode_t oldmode = pp_wrapping_mode (pp);
+ pp_line_cutoff (pp) = 0;
+ pp_prefixing_rule (pp) = DIAGNOSTICS_SHOW_PREFIX_NEVER;
+ return oldmode;
+}
+#define pp_set_verbatim_wrapping(PP) pp_set_verbatim_wrapping_ (pp_base (PP))
+
#endif /* GCC_PRETTY_PRINT_H */
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