PipeWire: spa/debug/context.h Source File

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context.h
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1/* Simple Plugin API */
2/* SPDX-FileCopyrightText: Copyright © 2023 Wim Taymans */
3/* SPDX-License-Identifier: MIT */
4
5#ifndef SPA_DEBUG_CONTEXT_H
6#define SPA_DEBUG_CONTEXT_H
7
8#ifdef __cplusplus
9extern "C" {
10#endif
11
12#include <stdio.h>
13#include <stdarg.h>
14#include <ctype.h>
15
16#include <spa/utils/defs.h>
22#ifndef spa_debugn
23#define spa_debugn(_fmt,...) printf((_fmt), ## __VA_ARGS__)
24#endif
25#ifndef spa_debug
26#define spa_debug(_fmt,...) spa_debugn(_fmt"\n", ## __VA_ARGS__)
27#endif
28
29struct spa_debug_context {
30 void (*log) (struct spa_debug_context *ctx, const char *fmt, ...) SPA_PRINTF_FUNC(2, 3);
31};
32
33#define spa_debugc(_c,_fmt,...) (_c)?((_c)->log((_c),_fmt, ## __VA_ARGS__)):(void)spa_debug(_fmt, ## __VA_ARGS__)
34
35 static inline void spa_debugc_error_location(struct spa_debug_context *c,
36 struct spa_error_location *loc)
37{
38 int i, skip = loc->col > 80 ? loc->col - 40 : 0, lc = loc->col-skip-1;
39 char buf[80];
40
41 for (i = 0; (size_t)i < sizeof(buf)-1 && (size_t)(i + skip) < loc->len; i++) {
42 char ch = loc->location[i + skip];
43 if (ch == '\n' || ch == '\0')
44 break;
45 buf[i] = isspace(ch) ? ' ' : ch;
46 }
47 buf[i] = '\0';
48 spa_debugc(c, "line:%6d | %s%s", loc->line, skip ? "..." : "", buf);
49 for (i = 0; buf[i]; i++)
50 buf[i] = i < lc ? '-' : i == lc ? '^' : ' ';
51 spa_debugc(c, "column:%4d |-%s%s", loc->col, skip ? "---" : "", buf);
52}
53
58#ifdef __cplusplus
59} /* extern "C" */
60#endif
61
62#endif /* SPA_DEBUG_CONTEXT_H */
defs.h
spa/utils/defs.h
spa_debugc_error_location
static void spa_debugc_error_location(struct spa_debug_context *c, struct spa_error_location *loc)
Definition context.h:40
spa_debugc
#define spa_debugc(_c, _fmt,...)
Definition context.h:38
SPA_PRINTF_FUNC
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition defs.h:295
spa_debug_context
Definition context.h:34
spa_debug_context::log
void(* log)(struct spa_debug_context *ctx, const char *fmt,...)
Definition context.h:35
spa_error_location
Definition defs.h:414
spa_error_location::line
int line
Definition defs.h:415
spa_error_location::location
const char * location
Definition defs.h:418
spa_error_location::col
int col
Definition defs.h:416
spa_error_location::len
size_t len
Definition defs.h:417