summaryrefslogtreecommitdiffstats
path: root/src/diag.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/diag.h')
-rw-r--r--src/diag.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/diag.h b/src/diag.h
new file mode 100644
index 0000000..39129cc
--- /dev/null
+++ b/src/diag.h
@@ -0,0 +1,108 @@
+/****************************************************************************
+ * bfs *
+ * Copyright (C) 2019-2022 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * Permission to use, copy, modify, and/or distribute this software for any *
+ * purpose with or without fee is hereby granted. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF *
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR *
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES *
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN *
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. *
+ ****************************************************************************/
+
+/**
+ * Formatters for diagnostic messages.
+ */
+
+#ifndef BFS_DIAG_H
+#define BFS_DIAG_H
+
+#include "ctx.h"
+#include "util.h"
+#include <stdarg.h>
+#include <stdbool.h>
+
+struct bfs_expr;
+
+/**
+ * Like perror(), but decorated like bfs_error().
+ */
+void bfs_perror(const struct bfs_ctx *ctx, const char *str);
+
+/**
+ * Shorthand for printing error messages.
+ */
+BFS_FORMATTER(2, 3)
+void bfs_error(const struct bfs_ctx *ctx, const char *format, ...);
+
+/**
+ * Shorthand for printing warning messages.
+ *
+ * @return Whether a warning was printed.
+ */
+BFS_FORMATTER(2, 3)
+bool bfs_warning(const struct bfs_ctx *ctx, const char *format, ...);
+
+/**
+ * Shorthand for printing debug messages.
+ *
+ * @return Whether a debug message was printed.
+ */
+BFS_FORMATTER(3, 4)
+bool bfs_debug(const struct bfs_ctx *ctx, enum debug_flags flag, const char *format, ...);
+
+/**
+ * bfs_error() variant that takes a va_list.
+ */
+void bfs_verror(const struct bfs_ctx *ctx, const char *format, va_list args);
+
+/**
+ * bfs_warning() variant that takes a va_list.
+ */
+bool bfs_vwarning(const struct bfs_ctx *ctx, const char *format, va_list args);
+
+/**
+ * bfs_debug() variant that takes a va_list.
+ */
+bool bfs_vdebug(const struct bfs_ctx *ctx, enum debug_flags flag, const char *format, va_list args);
+
+/**
+ * Print the error message prefix.
+ */
+void bfs_error_prefix(const struct bfs_ctx *ctx);
+
+/**
+ * Print the warning message prefix.
+ */
+bool bfs_warning_prefix(const struct bfs_ctx *ctx);
+
+/**
+ * Print the debug message prefix.
+ */
+bool bfs_debug_prefix(const struct bfs_ctx *ctx, enum debug_flags flag);
+
+/**
+ * Highlight parts of the command line in an error message.
+ */
+void bfs_argv_error(const struct bfs_ctx *ctx, const bool *args);
+
+/**
+ * Highlight parts of an expression in an error message.
+ */
+void bfs_expr_error(const struct bfs_ctx *ctx, const struct bfs_expr *expr);
+
+/**
+ * Highlight parts of the command line in a warning message.
+ */
+bool bfs_argv_warning(const struct bfs_ctx *ctx, const bool *args);
+
+/**
+ * Highlight parts of an expression in a warning message.
+ */
+bool bfs_expr_warning(const struct bfs_ctx *ctx, const struct bfs_expr *expr);
+
+#endif // BFS_DIAG_H