/* Various declarations for language-independent diagnostics subroutines.
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
This file is part of GCC.
#ifndef GCC_DIAGNOSTIC_H
#define GCC_DIAGNOSTIC_H
-#include "obstack.h"
-#include "location.h"
+#include "pretty-print.h"
-/* 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;
-} text_info;
-
-/* Contants used to discreminate diagnostics. */
+/* Constants used to discriminate diagnostics. */
typedef enum
{
-#define DEFINE_DIAGNOSTIC_KIND(K, M) K,
+#define DEFINE_DIAGNOSTIC_KIND(K, msgid) K,
#include "diagnostic.def"
#undef DEFINE_DIAGNOSTIC_KIND
DK_LAST_DIAGNOSTIC_KIND
location_t location;
/* The kind of diagnostic it is about. */
diagnostic_t kind;
+ /* Which OPT_* directly controls this diagnostic. */
+ int option_index;
} diagnostic_info;
#define pedantic_error_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
-/* How often diagnostics are prefixed by their locations:
- o DIAGNOSTICS_SHOW_PREFIX_NEVER: never - not yet supported;
- o DIAGNOSTICS_SHOW_PREFIX_ONCE: emit only once;
- o DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: emit each time a physical
- line is started. */
-typedef enum
-{
- DIAGNOSTICS_SHOW_PREFIX_ONCE = 0x0,
- DIAGNOSTICS_SHOW_PREFIX_NEVER = 0x1,
- DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE = 0x2
-} diagnostic_prefixing_rule_t;
-
-/* 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
- 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. */
- bool emitted_prefix_p;
-
- /* Nonzero means one should emit a newline before outputing anything. */
- bool need_newline_p;
-
- /* Current prefixing rule. */
- diagnostic_prefixing_rule_t prefixing_rule;
-} output_state;
-
-/* The type of a hook that formats client-specific data (trees mostly) into
- an output_buffer. A client-supplied formatter returns true if everything
- goes well. */
-typedef struct output_buffer output_buffer;
-typedef bool (*printer_fn) PARAMS ((output_buffer *, text_info *));
-
-/* The output buffer datatype. This is best seen as an abstract datatype
- whose fields should not be accessed directly by clients. */
-struct output_buffer
-{
- /* The current state of the buffer. */
- output_state state;
-
- /* 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. */
- int line_length;
-
- /* This must be large enough to hold any printed integer or
- floating-point value. */
- char digit_buffer[128];
-
- /* 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
- output_add_string (and related functions) to add data to the BUFFER.
- FORMAT_DECODER can read arguments from *TEXT->args_pts using VA_ARG.
- If the BUFFER needs additional characters from the format string, it
- should advance the TEXT->format_spec as it goes. When FORMAT_DECODER
- returns, TEXT->format_spec should point to the last character processed.
- */
- printer_fn format_decoder;
-} ;
-
-#define output_prefix(BUFFER) (BUFFER)->state.prefix
-
-/* The stream attached to the output_buffer, where the formatted
- diagnostics will ultimately go. Works only on `output_buffer *'. */
-#define output_buffer_attached_stream(BUFFER) (BUFFER)->stream
-
-/* In line-wrapping mode, whether we should start a new line. */
-#define output_needs_newline(BUFFER) (BUFFER)->state.need_newline_p
-
-/* The amount of whitespace to be emitted when starting a new line. */
-#define output_indentation(BUFFER) (BUFFER)->state.indent_skip
-
-/* A pointer to the formatted diagnostic message. */
-#define output_message_text(BUFFER) \
- ((const char *) obstack_base (&(BUFFER)->obstack))
-
-/* Client supplied function used to decode formats. */
-#define output_format_decoder(BUFFER) (BUFFER)->format_decoder
-
-/* Prefixing rule used in formatting a diagnostic message. */
-#define output_prefixing_rule(BUFFER) (BUFFER)->state.prefixing_rule
-
-/* Maximum characters per line in automatic line wrapping mode.
- Zero means don't wrap lines. */
-#define output_line_cutoff(BUFFER) (BUFFER)->state.ideal_maximum_length
-
-/* True if BUFFER is in line-wrapping mode. */
-#define output_is_line_wrapping(BUFFER) (output_line_cutoff (BUFFER) > 0)
-
-#define output_formatted_scalar(BUFFER, FORMAT, INTEGER) \
- do \
- { \
- sprintf ((BUFFER)->digit_buffer, FORMAT, INTEGER); \
- output_add_string (BUFFER, (BUFFER)->digit_buffer); \
- } \
- while (0)
/* Forward declarations. */
typedef struct diagnostic_context diagnostic_context;
-typedef void (*diagnostic_starter_fn) PARAMS ((diagnostic_context *,
- diagnostic_info *));
+typedef void (*diagnostic_starter_fn) (diagnostic_context *,
+ diagnostic_info *);
typedef diagnostic_starter_fn diagnostic_finalizer_fn;
/* This data structure bundles altogether any information relevant to
the context of a diagnostic message. */
struct diagnostic_context
{
- /* Where most of the diagnostic formatting work is done. In Object
- Oriented terms, we'll say that diagnostic_context is a sub-class of
- output_buffer. */
- output_buffer buffer;
+ /* Where most of the diagnostic formatting work is done. */
+ pretty_printer *printer;
/* The number of times we have issued diagnostics. */
int diagnostic_count[DK_LAST_DIAGNOSTIC_KIND];
/* True if we should display the "warnings are being tread as error"
message, usually displayed once per compiler run. */
- bool warnings_are_errors_message;
+ bool issue_warnings_are_errors_message;
+
+ /* True if it has been requested that warnings be treated as errors. */
+ bool warning_as_error_requested;
+
+ /* True if we should raise a SIGABRT on errors. */
+ bool abort_on_error;
/* This function is called before any message is printed out. It is
responsible for preparing message prefix and such. For example, it
diagnostic_finalizer_fn end_diagnostic;
/* Client hook to report an internal error. */
- void (*internal_error) PARAMS ((const char *, va_list *));
+ void (*internal_error) (const char *, va_list *);
/* Function of last diagnostic message; more generally, function such that
if next diagnostic message is in it then we don't have to mention the
int last_module;
int lock;
-
- /* Hook for front-end extensions. */
- void *x_data;
};
/* Client supplied function to announce a diagnostic. */
/* Extension hook for client. */
#define diagnostic_auxiliary_data(DC) (DC)->x_data
-/* Same as output_format_decoder. Works on 'diagnostic_context *'. */
-#define diagnostic_format_decoder(DC) output_format_decoder (&(DC)->buffer)
+/* Same as pp_format_decoder. Works on 'diagnostic_context *'. */
+#define diagnostic_format_decoder(DC) ((DC)->printer->format_decoder)
/* Same as output_prefixing_rule. Works on 'diagnostic_context *'. */
-#define diagnostic_prefixing_rule(DC) output_prefixing_rule (&(DC)->buffer)
+#define diagnostic_prefixing_rule(DC) ((DC)->printer->prefixing_rule)
/* Maximum characters per line in automatic line wrapping mode.
Zero means don't wrap lines. */
-#define diagnostic_line_cutoff(DC) output_line_cutoff (&(DC)->buffer)
+#define diagnostic_line_cutoff(DC) ((DC)->printer->ideal_maximum_length)
+
+#define diagnostic_flush_buffer(DC) pp_base_flush ((DC)->printer)
/* True if the last function in which a diagnostic was reported is
different from the current one. */
#define diagnostic_set_last_module(DC) \
(DC)->last_module = input_file_stack_tick
+/* Raise SIGABRT on any diagnostic of severity DK_ERROR or higher. */
+#define diagnostic_abort_on_error(DC) \
+ (DC)->abort_on_error = true
+
/* This diagnostic_context is used by front-ends that directly output
diagnostic messages without going through `error', `warning',
and similar functions. */
extern diagnostic_context *global_dc;
-/* The total count of a KIND of diagnostics meitted so far. */
+/* The total count of a KIND of diagnostics emitted so far. */
#define diagnostic_kind_count(DC, DK) (DC)->diagnostic_count[(int) (DK)]
/* The number of errors that have been issued so far. Ideally, these
#define report_diagnostic(D) diagnostic_report_diagnostic (global_dc, D)
-/* Dignostic related functions. */
-extern void diagnostic_initialize PARAMS ((diagnostic_context *));
-extern void diagnostic_report_current_module PARAMS ((diagnostic_context *));
-extern void diagnostic_report_current_function PARAMS ((diagnostic_context *));
-extern void diagnostic_flush_buffer PARAMS ((diagnostic_context *));
-extern bool diagnostic_count_diagnostic PARAMS ((diagnostic_context *,
- diagnostic_t));
-extern void diagnostic_report_diagnostic PARAMS ((diagnostic_context *,
- diagnostic_info *));
-extern void diagnostic_set_info PARAMS ((diagnostic_info *,
- const char *, va_list *,
- const char *, int,
- diagnostic_t));
-extern char *diagnostic_build_prefix PARAMS ((diagnostic_info *));
+/* Diagnostic related functions. */
+extern void diagnostic_initialize (diagnostic_context *);
+extern void diagnostic_report_current_module (diagnostic_context *);
+extern void diagnostic_report_current_function (diagnostic_context *);
+extern void diagnostic_report_diagnostic (diagnostic_context *,
+ diagnostic_info *);
+extern void diagnostic_set_info (diagnostic_info *, const char *, va_list *,
+ location_t, diagnostic_t);
+extern char *diagnostic_build_prefix (diagnostic_info *);
/* Pure text formatting support functions. */
-extern void init_output_buffer PARAMS ((output_buffer *,
- const char *, int));
-extern void output_clear PARAMS ((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 void output_add_identifier PARAMS ((output_buffer *, tree));
-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 void output_verbatim PARAMS ((output_buffer *, const char *,
- ...)) ATTRIBUTE_PRINTF_2;
-extern void verbatim PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-extern char *file_name_as_prefix PARAMS ((const char *));
-extern void inform PARAMS ((const char *, ...));
-
+extern void verbatim (const char *, ...);
+extern char *file_name_as_prefix (const char *);
+
+/* In tree-pretty-print.c */
+extern int dump_generic_node (pretty_printer *, tree, int, int, bool);
+extern void print_generic_stmt (FILE *, tree, int);
+extern void print_generic_stmt_indented (FILE *, tree, int, int);
+extern void print_generic_expr (FILE *, tree, int);
+extern void print_generic_decl (FILE *, tree, int);
+
+extern void debug_generic_expr (tree);
+extern void debug_generic_stmt (tree);
+extern void debug_c_tree (tree);
#endif /* ! GCC_DIAGNOSTIC_H */
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