#define GCC_DIAGNOSTIC_H
#include "obstack.h"
+#include "location.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;
+/* 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 discriminate diagnostics. */
typedef enum
{
#define DEFINE_DIAGNOSTIC_KIND(K, M) K,
DK_LAST_DIAGNOSTIC_KIND
} diagnostic_t;
+/* A diagnostic is described by the MESSAGE to send, the FILE and LINE of
+ its context and its KIND (ice, error, warning, note, ...) See complete
+ list in diagnostic.def. */
+typedef struct
+{
+ text_info message;
+ location_t location;
+ /* The kind of diagnostic it is about. */
+ diagnostic_t kind;
+} diagnostic_info;
+
#define pedantic_error_kind() (flag_pedantic_errors ? DK_ERROR : DK_WARNING)
/* How often diagnostics are prefixed by their locations:
DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE = 0x2
} diagnostic_prefixing_rule_t;
-/* The type of front-end specific hook that formats trees into an
- output_buffer. A language specific printer returns a truth value if
- everything goes well. */
-typedef int (*printer_fn) PARAMS ((output_buffer *));
-
/* This data structure encapsulates an output_buffer's state. */
typedef struct
{
/* Current prefixing rule. */
diagnostic_prefixing_rule_t prefixing_rule;
-
- /* The current char to output. Updated by front-end (*format_map) when
- it is called to report front-end printer for a specified format. */
- const char *cursor;
-
- /* A pointer to the variable argument-list for formatting. */
- va_list *format_args;
-
- /* The number of times we have issued diagnostics. */
- int diagnostic_count[DK_LAST_DIAGNOSTIC_KIND];
} output_state;
-/* The output buffer datatype. This is best seen as an abstract datatype. */
+/* 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
{
- /* Internal data. These fields should not be accessed directly by
- front-ends. */
-
/* The current state of the buffer. */
output_state state;
floating-point value. */
char digit_buffer[128];
-/* If non-NULL, this function formats data in the BUFFER. When called,
- output_buffer_text_cursor (BUFFER) 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
- output_buffer_format_args (BUFFER) using VA_ARG. If the BUFFER needs
- additional characters from the format string, it should advance
- the output_buffer_text_cursor (BUFFER) as it goes. When FORMAT_DECODER
- returns, output_buffer_text_cursor (BUFFER) should point to the last
- character processed. */
-
+ /* 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;
-};
+} ;
-/* Current state of the diagnostic_context' output_buffer. This macro
- accepts both `diagnostic_context *' and `output_buffer *'. */
-#define output_buffer_state(BUFFER) ((output_buffer *)(BUFFER))->state
+#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
-/* This points to the beginning of the rest of the diagnostic message
- to be formatted. Accepts only `output_buffer *'s. */
-#define output_buffer_text_cursor(BUFFER) (BUFFER)->state.cursor
-
-/* The rest of the `variable argument list' not yet processed.
- This macro works on both `output_state *' and `output_buffer *'. */
-#define output_buffer_format_args(BUFFER) \
- *(((output_state *)(BUFFER))->format_args)
-
/* 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 diagonstic message. */
+/* 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 diagnostic_starter_fn diagnostic_finalizer_fn;
+
/* This data structure bundles altogether any information relevant to
the context of a diagnostic message. */
struct diagnostic_context
output_buffer. */
output_buffer buffer;
- /* 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;
+ /* The number of times we have issued diagnostics. */
+ int diagnostic_count[DK_LAST_DIAGNOSTIC_KIND];
- /* Is this message a warning? */
- int warn;
+ /* True if we should display the "warnings are being tread as error"
+ message, usually displayed once per compiler run. */
+ bool warnings_are_errors_message;
/* This function is called before any message is printed out. It is
responsible for preparing message prefix and such. For example, it
from "/home/gdr/src/nifty_printer.h:56:
...
*/
- void (*begin_diagnostic) PARAMS ((output_buffer *, diagnostic_context *));
+ diagnostic_starter_fn begin_diagnostic;
/* This function is called after the diagnostic message is printed. */
- void (*end_diagnostic) PARAMS ((output_buffer *, diagnostic_context *));
+ diagnostic_finalizer_fn end_diagnostic;
- /* Hook for front-end extensions. */
- void *x_data;
-};
-
-/* The diagnostic message being formatted. */
-#define diagnostic_message(DC) (DC)->message
+ /* Client hook to report an internal error. */
+ void (*internal_error) PARAMS ((const char *, va_list *));
-/* A pointer to the variable argument list used in a call
- to a diagonstic routine. */
-#define diagnostic_argument_list(DC) (DC)->args_ptr
+ /* 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
+ function name. */
+ tree last_function;
-/* The program file to which the diagnostic is referring to. */
-#define diagnostic_file_location(DC) (DC)->file
+ /* Used to detect when input_file_stack has changed since last described. */
+ int last_module;
-/* The program source line referred to in the diagnostic message. */
-#define diagnostic_line_location(DC) (DC)->line
-
-/* Tell whether the diagnostic message is to be treated as a warning. */
-#define diagnostic_is_warning(DC) (DC)->warn
+ int lock;
+
+ /* Hook for front-end extensions. */
+ void *x_data;
+};
/* Client supplied function to announce a diagnostic. */
#define diagnostic_starter(DC) (DC)->begin_diagnostic
/* Extension hook for client. */
#define diagnostic_auxiliary_data(DC) (DC)->x_data
-/* Client supplied function used to decode formats. Can operate on both
- `output_buffer *' and `diagnostic_context *'. */
-#define diagnostic_format_decoder(DC) ((output_buffer *)(DC))->format_decoder
+/* Same as output_format_decoder. Works on 'diagnostic_context *'. */
+#define diagnostic_format_decoder(DC) output_format_decoder (&(DC)->buffer)
-/* Prefixing rule used in formatting a diagnostic message. Accepts both
- `output_buffer *' and `diagnostic_context *'. */
-#define diagnostic_prefixing_rule(DC) \
- ((output_buffer *)(DC))->state.prefixing_rule
+/* Same as output_prefixing_rule. Works on 'diagnostic_context *'. */
+#define diagnostic_prefixing_rule(DC) output_prefixing_rule (&(DC)->buffer)
/* Maximum characters per line in automatic line wrapping mode.
Zero means don't wrap lines. */
-#define diagnostic_line_cutoff(DC) \
- ((output_buffer *)(DC))->state.ideal_maximum_length
+#define diagnostic_line_cutoff(DC) output_line_cutoff (&(DC)->buffer)
+
+/* True if the last function in which a diagnostic was reported is
+ different from the current one. */
+#define diagnostic_last_function_changed(DC) \
+ ((DC)->last_function != current_function_decl)
+
+/* Remember the current function as being the last one in which we report
+ a diagnostic. */
+#define diagnostic_set_last_function(DC) \
+ (DC)->last_function = current_function_decl
-/* This diagnostic context is used by front-ends that directly output
+/* True if the last module or file in which a diagnostic was reported is
+ different from the current one. */
+#define diagnostic_last_module_changed(DC) \
+ ((DC)->last_module != input_file_stack_tick)
+
+/* Remember the current module or file as being the last one in which we
+ report a diagnostic. */
+#define diagnostic_set_last_module(DC) \
+ (DC)->last_module = input_file_stack_tick
+
+/* 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;
-/* This will be removed shortly. */
-extern output_buffer *diagnostic_buffer;
-
/* The total count of a KIND of diagnostics meitted so far. */
-#define diagnostic_kind_count(DC, DK) \
- ((output_buffer *)(DC))->state.diagnostic_count[(int) (DK)]
+#define diagnostic_kind_count(DC, DK) (DC)->diagnostic_count[(int) (DK)]
/* The number of errors that have been issued so far. Ideally, these
- would take an output_buffer as an argument. */
+ would take a diagnostic_context as an argument. */
#define errorcount diagnostic_kind_count (global_dc, DK_ERROR)
/* Similarly, but for warnings. */
#define warningcount diagnostic_kind_count (global_dc, DK_WARNING)
/* Similarly, but for sorrys. */
#define sorrycount diagnostic_kind_count (global_dc, DK_SORRY)
-/* Returns non-zero if warnings should be emitted. */
+/* Returns nonzero if warnings should be emitted. */
#define diagnostic_report_warnings_p() \
(!inhibit_warnings \
&& !(in_system_header && !warn_system_headers))
+#define report_diagnostic(D) diagnostic_report_diagnostic (global_dc, D)
-/* Prototypes */
-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 *));
+/* Diagnostic 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 *));
+
+/* Pure text formatting support functions. */
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_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 int output_is_line_wrapping PARAMS ((output_buffer *));
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 *));
-
-/* Called by report_error_function to print out function name.
- * Default may be overridden by language front-ends. */
-extern void (*print_error_function) PARAMS ((diagnostic_context *,
- const char *));
-
-extern void default_print_error_function PARAMS ((diagnostic_context *,
- const char *));
+extern void inform PARAMS ((const char *, ...));
#endif /* ! GCC_DIAGNOSTIC_H */
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