1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/*
Copyright (C) 2019, 2020 Leo Tenenbaum.
This file is part of toc. toc is distributed under version 3 of the GNU General Public License, without any warranty whatsoever.
You should have received a copy of the GNU General Public License along with toc. If not, see <https://www.gnu.org/licenses/>.
*/
/* #define ERR_EMACS 1 */
#ifndef USE_COLORED_TEXT
#if ERR_EMACS
#define USE_COLORED_TEXT 0
#else
#define USE_COLORED_TEXT 1
#endif
#endif
#define TEXT_ERR_START "\x1b[91m"
#define TEXT_ERR_END "\x1b[0m"
#define TEXT_INFO_START "\x1b[94m"
#define TEXT_INFO_END "\x1b[0m"
#define TEXT_WARN_START "\x1b[93m"
#define TEXT_WARN_END "\x1b[0m"
#define TEXT_IMPORTANT_START "\x1b[1m"
#define TEXT_IMPORTANT_END "\x1b[0m"
#if defined(TOC_DEBUG) && __STDC_VERSION__ >= 199901
#define ERR_SHOW_SOURCE_LOCATION 1
#endif
static inline const char *ordinals(size_t x) {
switch (x % 10) {
case 1: return "st";
case 2: return "nd";
case 3: return "rd";
default: return "th";
}
}
static FILE *err_ctx_file(ErrCtx *ctx) {
(void)ctx;
return stderr;
}
static void err_fprint(ErrCtx *ctx, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
vfprintf(err_ctx_file(ctx), fmt, args);
va_end(args);
}
static void err_text_err(ErrCtx *ctx, const char *s) {
if (ctx->color_enabled)
err_fprint(ctx, TEXT_ERR_START "%s" TEXT_ERR_END, s);
else
err_fprint(ctx, "%s", s);
}
static void err_text_warn(ErrCtx *ctx, const char *s) {
if (ctx->color_enabled)
err_fprint(ctx, TEXT_WARN_START "%s" TEXT_WARN_END, s);
else
err_fprint(ctx, "%s", s);
}
static void err_text_info(ErrCtx *ctx, const char *s) {
if (ctx->color_enabled)
err_fprint(ctx, TEXT_INFO_START "%s" TEXT_INFO_END, s);
else
err_fprint(ctx, "%s", s);
}
static void err_text_important(ErrCtx *ctx, const char *s) {
if (ctx->color_enabled)
err_fprint(ctx, TEXT_IMPORTANT_START "%s" TEXT_IMPORTANT_END, s);
else
err_fprint(ctx, "%s", s);
}
static void err_vfprint(ErrCtx *ctx, const char *fmt, va_list args) {
vfprintf(err_ctx_file(ctx), fmt, args);
}
static void err_print_line_file(Location where) {
ErrCtx *ctx = where.file->ctx;
if (where.start) {
err_fprint(ctx, " at line %lu of %s:\n", (unsigned long)where.start->pos.line, where.file->filename);
} else {
U32 line = where.simple_location.line;
if (line)
err_fprint(ctx, " at line %lu of %s:\n", (unsigned long)line, where.file->filename);
else
err_fprint(ctx, ":\n");
}
}
static void err_print_header_(Location where) {
ErrCtx *ctx = where.file->ctx;
err_text_err(ctx, "error");
err_print_line_file(where);
}
static void info_print_header_(Location where) {
ErrCtx *ctx = where.file->ctx;
err_text_info(ctx, "info");
err_print_line_file(where);
}
static void warn_print_header_(Location where) {
ErrCtx *ctx = where.file->ctx;
err_text_warn(ctx, "warning");
err_print_line_file(where);
}
static void err_print_footer_(Location where) {
ErrCtx *ctx = where.file->ctx;
err_fprint(ctx, "\n");
print_location_highlight(err_ctx_file(ctx), where);
if (ctx) {
arr_foreach(ctx->instance_stack, Location, inst) {
err_fprint(ctx, "While generating the instance of a function\n");
print_location_highlight(err_ctx_file(ctx), *inst);
}
}
}
/* Write nicely-formatted errors to the error file */
static void err_vprint(Location where, const char *fmt, va_list args) {
ErrCtx *ctx = where.file->ctx;
if (!ctx->enabled) return;
ctx->have_errored = true;
err_print_header_(where);
err_vfprint(ctx, fmt, args);
err_print_footer_(where);
}
static void err_print_(
#if ERR_SHOW_SOURCE_LOCATION
int line, const char *file,
#endif
Location where, const char *fmt, ...) {
va_list args;
#if ERR_SHOW_SOURCE_LOCATION
ErrCtx *ctx = where.file->ctx;
if (!ctx->enabled) return;
if (file)
err_fprint(ctx, "Generated by line %d of %s:\n", line, file);
#endif
va_start(args, fmt);
err_vprint(where, fmt, args);
va_end(args);
}
#if ERR_SHOW_SOURCE_LOCATION
#define err_print(...) err_print_(__LINE__, __FILE__, __VA_ARGS__)
#else
#define err_print err_print_
#endif
static void info_print(Location where, const char *fmt, ...) {
va_list args;
ErrCtx *ctx = where.file->ctx;
if (!ctx->enabled) return;
va_start(args, fmt);
info_print_header_(where);
err_vfprint(ctx, fmt, args);
err_print_footer_(where);
va_end(args);
}
static void warn_print_(
#if ERR_SHOW_SOURCE_LOCATION
int line, const char *file,
#endif
Location where, const char *fmt, ...) {
va_list args;
ErrCtx *ctx = where.file->ctx;
if (!ctx->enabled) return;
#if ERR_SHOW_SOURCE_LOCATION
if (file)
err_fprint(ctx, "Generated by line %d of %s:\n", line, file);
#endif
va_start(args, fmt);
warn_print_header_(where);
err_vfprint(ctx, fmt, args);
err_print_footer_(where);
va_end(args);
}
#if ERR_SHOW_SOURCE_LOCATION
#define warn_print(...) warn_print_(__LINE__, __FILE__, __VA_ARGS__)
#else
#define warn_print warn_print_
#endif
static void *err_malloc(size_t size) {
if (size == 0) return NULL;
void *ret = malloc(size);
if (!ret) {
fprintf(stderr, "Error: Out of memory.\n");
abort();
}
return ret;
}
static void *err_calloc(size_t n, size_t size) {
if (n == 0 || size == 0) return NULL;
void *ret = calloc(n, size);
if (!ret) {
fprintf(stderr, "Error: Out of memory.\n");
abort();
}
return ret;
}
static void *err_realloc(void *data, size_t new_size) {
if (new_size == 0) {
free(data);
return NULL;
}
void *ret = realloc(data, new_size);
if (!ret) {
fprintf(stderr, "Error: Out of memory.\n");
abort();
}
return ret;
}
|
