+/*
+ * This file is part of cparser.
+ * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
#include <stdarg.h>
#include <stdio.h>
#include "diagnostic.h"
+#include "adt/error.h"
+#include "symbol_t.h"
+#include "token_t.h"
+#include "ast.h"
+#include "type.h"
+#include "warning.h"
+/** Number of occurred diagnostics. */
+unsigned diagnostic_count = 0;
+/** Number of occurred errors. */
+unsigned error_count = 0;
+/** Number of occurred warnings. */
+unsigned warning_count = 0;
+/** true if warnings should be inhibited */
+bool inhibit_all_warnings = false;
-void parser_print_prefix_pos(const source_position_t pos)
+static const source_position_t *curr_pos = NULL;
+
+/**
+ * prints an additional source position
+ */
+static void print_source_position(FILE *out, const source_position_t *pos) {
+ fprintf(out, "at line %u", pos->linenr);
+ if (curr_pos == NULL || curr_pos->input_name != pos->input_name)
+ fprintf(out, " of \"%s\"", pos->input_name);
+}
+
+/**
+ * Issue a diagnostic message.
+ */
+static void diagnosticvf(const char *const fmt, va_list ap)
+{
+ for (const char* f = fmt; *f != '\0'; ++f) {
+ if (*f == '%') {
+ ++f;
+
+ bool extended = false;
+ if (*f == '#') {
+ extended = true;
+ ++f;
+ }
+
+ switch (*f) {
+ case '%':
+ fputc(*f, stderr);
+ break;
+
+ case 'C': {
+ const wint_t val = va_arg(ap, wint_t);
+ fputwc(val, stderr);
+ break;
+ }
+
+ case 'c': {
+ const unsigned char val = (unsigned char) va_arg(ap, int);
+ fputc(val, stderr);
+ break;
+ }
+
+ case 'd': {
+ const int val = va_arg(ap, int);
+ fprintf(stderr, "%d", val);
+ break;
+ }
+
+ case 's': {
+ const char* const str = va_arg(ap, const char*);
+ fputs(str, stderr);
+ break;
+ }
+
+ case 'Y': {
+ const symbol_t *const symbol = va_arg(ap, const symbol_t*);
+ fputs(symbol->string, stderr);
+ break;
+ }
+
+ case 'E': {
+ const expression_t* const expr = va_arg(ap, const expression_t*);
+ print_expression(expr);
+ break;
+ }
+
+ case 'Q': {
+ const unsigned qualifiers = va_arg(ap, unsigned);
+ print_type_qualifiers(qualifiers);
+ break;
+ }
+
+ case 'T': {
+ const type_t* const type = va_arg(ap, const type_t*);
+ const symbol_t* sym = NULL;
+ if (extended) {
+ sym = va_arg(ap, const symbol_t*);
+ }
+ print_type_ext(type, sym, NULL);
+ break;
+ }
+
+ case 'K': {
+ const token_t* const token = va_arg(ap, const token_t*);
+ print_token(stderr, token);
+ break;
+ }
+
+ case 'k': {
+ if (extended) {
+ bool first = true;
+ va_list* toks = va_arg(ap, va_list*);
+ const char* const delimiter = va_arg(ap, const char*);
+ for (;;) {
+ const token_type_t tok = va_arg(*toks, token_type_t);
+ if (tok == 0)
+ break;
+ if (first) {
+ first = false;
+ } else {
+ fputs(delimiter, stderr);
+ }
+ print_token_type(stderr, tok);
+ }
+ } else {
+ const token_type_t token = va_arg(ap, token_type_t);
+ print_token_type(stderr, token);
+ }
+ break;
+ }
+
+ case 'P': {
+ const source_position_t *pos = va_arg(ap, const source_position_t *);
+ print_source_position(stderr, pos);
+ break;
+ }
+
+ default:
+ panic("unknown format specifier");
+ }
+ } else {
+ fputc(*f, stderr);
+ }
+ }
+}
+
+void diagnosticf(const char *const fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ ++diagnostic_count;
+ curr_pos = NULL;
+ diagnosticvf(fmt, ap);
+ va_end(ap);
+}
+
+static void errorvf(const source_position_t *pos,
+ const char *const fmt, va_list ap)
{
- fprintf(stderr, "%s:%u: ", pos.input_name, pos.linenr);
+ fprintf(stderr, "%s:%u: error: ", pos->input_name, pos->linenr);
+ ++error_count;
+ curr_pos = pos;
+ diagnosticvf(fmt, ap);
+ fputc('\n', stderr);
+
+ if (warning.fatal_errors)
+ exit(EXIT_FAILURE);
}
-void parser_print_warning_prefix_pos(const source_position_t pos)
+void errorf(const source_position_t *pos, const char *const fmt, ...)
{
- parser_print_prefix_pos(pos);
- fputs("warning: ", stderr);
+ va_list ap;
+ va_start(ap, fmt);
+ curr_pos = pos;
+ errorvf(pos, fmt, ap);
+ va_end(ap);
}
-void parse_warning_pos(const source_position_t pos, const char *const message)
+static void warningvf(const source_position_t *pos,
+ const char *const fmt, va_list ap)
{
- parser_print_prefix_pos(pos);
- fprintf(stderr, "warning: %s\n", message);
+ fprintf(stderr, "%s:%u: warning: ", pos->input_name, pos->linenr);
+ ++warning_count;
+ curr_pos = pos;
+ diagnosticvf(fmt, ap);
+ fputc('\n', stderr);
}
-void parse_warning_posf(const source_position_t pos, const char *const fmt, ...)
+void warningf(const source_position_t *pos, const char *const fmt, ...)
{
- parser_print_prefix_pos(pos);
- fputs("warning: ", stderr);
+ if (inhibit_all_warnings)
+ return;
+
va_list ap;
va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
+ curr_pos = pos;
+ if (warning.s_are_errors) {
+ errorvf(pos, fmt, ap);
+ } else {
+ warningvf(pos, fmt, ap);
+ }
va_end(ap);
+}
+
+static void internal_errorvf(const source_position_t *pos,
+ const char *const fmt, va_list ap)
+{
+ fprintf(stderr, "%s:%u: internal error: ", pos->input_name, pos->linenr);
+ curr_pos = pos;
+ diagnosticvf(fmt, ap);
fputc('\n', stderr);
}
+
+void internal_errorf(const source_position_t *pos, const char *const fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ curr_pos = pos;
+ internal_errorvf(pos, fmt, ap);
+ va_end(ap);
+ abort();
+}