/* Various declarations for language-independent diagnostics subroutines.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifndef __GCC_DIAGNOSTIC_H__
-#define __GCC_DIAGNOSTIC_H__
+#ifndef GCC_DIAGNOSTIC_H
+#define GCC_DIAGNOSTIC_H
#include "obstack.h"
/* Forward declarations. */
typedef struct output_buffer output_buffer;
+typedef struct diagnostic_context diagnostic_context;
+typedef void (*diagnostic_starter_fn) PARAMS ((output_buffer *,
+ diagnostic_context *));
+typedef diagnostic_starter_fn diagnostic_finalizer_fn;
+
+typedef enum
+{
+#define DEFINE_DIAGNOSTIC_KIND(K, M) K,
+#include "diagnostic.def"
+#undef DEFINE_DIAGNOSTIC_KIND
+ DK_LAST_DIAGNOSTIC_KIND
+} diagnostic_t;
+
+#define pedantic_error_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
#define DIAGNOSTICS_SHOW_PREFIX_ONCE 0x0
#define DIAGNOSTICS_SHOW_PREFIX_NEVER 0x1
everything goes well. */
typedef int (*printer_fn) PARAMS ((output_buffer *));
-/* This data structure encapulates an output_buffer's state. */
+/* This data structure encapsulates an output_buffer's state. */
typedef struct
{
/* The prefix for each new line. */
const char *prefix;
/* The real upper bound of number of characters per line, taking into
- accompt the case of a very very looong prefix. */
+ 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;
+
/* Nonzero if current PREFIX was emitted at least once. */
int emitted_prefix_p;
+
+ /* Nonzero means one should emit a newline before outputing anything. */
+ int need_newline_p;
+
/* Tells how often current PREFIX should be emitted:
o DIAGNOSTICS_SHOW_PREFIX_NEVER: never - not yet supported;
o DIAGNOSTICS_SHOW_PREFIX_ONCE: emit current PREFIX only once;
/* Internal data. These fields should not be accessed directly by
front-ends. */
+ /* Where to output formatted text. */
+ FILE* stream;
/* The obstack where the text is built up. */
struct obstack obstack;
/* The amount of characters output so far. */
output_state state;
};
+#define output_buffer_attached_stream(BUFFER) (BUFFER)->stream
#define output_buffer_text_cursor(BUFFER) (BUFFER)->state.cursor
#define output_buffer_format_args(BUFFER) *((BUFFER)->state.format_args)
+#define output_needs_newline(BUFFER) (BUFFER)->state.need_newline_p
+#define output_buffer_state(BUFFER) (BUFFER)->state
+#define output_indentation(BUFFER) (BUFFER)->state.indent_skip
+#define output_message_text(BUFFER) \
+ ((const char *) obstack_base (&(BUFFER)->obstack))
+
+/* This data structure bundles altogether any information relevant to
+ the context of a diagnostic message. */
+struct diagnostic_context
+{
+ /* The diagnostic message to output. */
+ const char *message;
+
+ /* A pointer to a variable list of the arguments necessary for the
+ purpose of message formatting. */
+ va_list *args_ptr;
+
+ /* The name of the source file involved in the diiagnostic. */
+ const char *file;
+
+ /* The line-location in the source file. */
+ int line;
+
+ /* Is this message a warning? */
+ int warn;
+
+ /* This function is called before any message is printed out. It is
+ responsible for preparing message prefix and such. For example, it
+ might say:
+ In file included from "/usr/local/include/curses.h:5:
+ from "/home/gdr/src/nifty_printer.h:56:
+ ...
+ */
+ void (*begin_diagnostic) PARAMS ((output_buffer *, diagnostic_context *));
+
+ /* This function is called after the diagnostic message is printed. */
+ void (*end_diagnostic) PARAMS ((output_buffer *, diagnostic_context *));
+
+ /* Hook for front-end extensions. */
+ void *x_data;
+};
+
+#define diagnostic_message(DC) (DC)->message
+#define diagnostic_argument_list(DC) (DC)->args_ptr
+#define diagnostic_file_location(DC) (DC)->file
+#define diagnostic_line_location(DC) (DC)->line
+#define diagnostic_is_warning(DC) (DC)->warn
+#define diagnostic_starter(DC) (DC)->begin_diagnostic
+#define diagnostic_finalizer(DC) (DC)->end_diagnostic
+#define diagnostic_auxiliary_data(DC) (DC)->x_data
/* If non-NULL, this function formats data in the BUFFER. When called,
output_buffer_text_cursor (BUFFER) points to a format code. LANG_PRINTER
extern printer_fn lang_printer;
+extern diagnostic_starter_fn lang_diagnostic_starter;
+extern diagnostic_finalizer_fn lang_diagnostic_finalizer;
+
extern int diagnostic_message_length_per_line;
/* This output buffer is used by front-ends that directly output
diagnostic messages without going through `error', `warning',
- and simillar functions. In general, such usage should be
+ and similar functions. In general, such usage should be
avoided. This global buffer will go away, once all such usage
has been removed. */
extern output_buffer *diagnostic_buffer;
/* Prototypes */
-void set_fatal_function PARAMS ((void (*) PARAMS ((const char *,
- va_list *))));
-void report_diagnostic PARAMS ((const char *, va_list *,
- const char *, int, int));
-void initialize_diagnostics PARAMS ((void));
-void reshape_diagnostic_buffer PARAMS ((void));
-void default_initialize_buffer PARAMS ((output_buffer *));
-void init_output_buffer PARAMS ((output_buffer *, const char *, int));
-void output_clear PARAMS ((output_buffer *));
-const char *output_get_prefix PARAMS ((const output_buffer *));
-void output_set_prefix PARAMS ((output_buffer *, const char *));
-void output_destroy_prefix PARAMS ((output_buffer *));
-void output_set_maximum_length PARAMS ((output_buffer *, int));
-void output_emit_prefix PARAMS ((output_buffer *));
-void output_add_newline PARAMS ((output_buffer *));
-void output_add_space PARAMS ((output_buffer *));
-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_decimal PARAMS ((output_buffer *, int));
-void output_add_string PARAMS ((output_buffer *, const char *));
-const char *output_finish PARAMS ((output_buffer *));
-void output_printf PARAMS ((output_buffer *, const char *,
- ...)) ATTRIBUTE_PRINTF_2;
-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__ */
+extern void set_diagnostic_context PARAMS ((diagnostic_context *,
+ const char *, va_list *,
+ const char *, int, int));
+extern void set_internal_error_function PARAMS ((void (*)
+ PARAMS ((const char *,
+ va_list *))));
+extern void report_diagnostic PARAMS ((diagnostic_context *));
+extern void initialize_diagnostics PARAMS ((void));
+extern void reshape_diagnostic_buffer PARAMS ((void));
+extern void default_initialize_buffer PARAMS ((output_buffer *));
+extern void init_output_buffer PARAMS ((output_buffer *,
+ const char *, int));
+extern void flush_diagnostic_buffer PARAMS ((void));
+extern void output_clear PARAMS ((output_buffer *));
+extern const char *output_get_prefix PARAMS ((const output_buffer *));
+extern const char *output_last_position PARAMS ((const output_buffer *));
+extern void output_set_prefix PARAMS ((output_buffer *,
+ const char *));
+extern void output_destroy_prefix PARAMS ((output_buffer *));
+extern void output_set_maximum_length PARAMS ((output_buffer *, int));
+extern void output_emit_prefix PARAMS ((output_buffer *));
+extern void output_add_newline PARAMS ((output_buffer *));
+extern void output_add_space PARAMS ((output_buffer *));
+extern int output_space_left PARAMS ((const output_buffer *));
+extern void output_append PARAMS ((output_buffer *, const char *,
+ const char *));
+extern void output_add_character PARAMS ((output_buffer *, int));
+extern void output_decimal PARAMS ((output_buffer *, int));
+extern void output_add_string PARAMS ((output_buffer *,
+ const char *));
+extern const char *output_finalize_message PARAMS ((output_buffer *));
+extern void output_clear_message_text PARAMS ((output_buffer *));
+extern void output_printf PARAMS ((output_buffer *, const char *,
+ ...)) ATTRIBUTE_PRINTF_2;
+extern int output_is_line_wrapping PARAMS ((output_buffer *));
+extern void set_message_prefixing_rule PARAMS ((int));
+extern void output_verbatim PARAMS ((output_buffer *, const char *,
+ ...)) ATTRIBUTE_PRINTF_2;
+extern void verbatim PARAMS ((const char *, ...))
+ ATTRIBUTE_PRINTF_1;
+extern char *context_as_prefix PARAMS ((const char *, int, int));
+extern char *file_name_as_prefix PARAMS ((const char *));
+extern int error_module_changed PARAMS ((void));
+extern void record_last_error_module PARAMS ((void));
+extern int error_function_changed PARAMS ((void));
+extern void record_last_error_function PARAMS ((void));
+extern void report_problematic_module PARAMS ((output_buffer *));
+
+#endif /* ! GCC_DIAGNOSTIC_H */
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