diff options
Diffstat (limited to 'gcc/diagnostic.c')
| -rw-r--r-- | gcc/diagnostic.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/diagnostic.c b/gcc/diagnostic.c index 0c8fbe5..07ce602 100644 --- a/gcc/diagnostic.c +++ b/gcc/diagnostic.c @@ -155,6 +155,34 @@ diagnostic_initialize (diagnostic_context *context, int n_opts) context->inhibit_notes_p = false; } +/* Maybe initialize the color support. We require clients to do this + explicitly, since most clients don't want color. When called + without a VALUE, it initializes with DIAGNOSTICS_COLOR_DEFAULT. */ + +void +diagnostic_color_init (diagnostic_context *context, int value /*= -1 */) +{ + /* value == -1 is the default value. */ + if (value < 0) + { + /* If DIAGNOSTICS_COLOR_DEFAULT is -1, default to + -fdiagnostics-color=auto if GCC_COLORS is in the environment, + otherwise default to -fdiagnostics-color=never, for other + values default to that + -fdiagnostics-color={never,auto,always}. */ + if (DIAGNOSTICS_COLOR_DEFAULT == -1) + { + if (!getenv ("GCC_COLORS")) + return; + value = DIAGNOSTICS_COLOR_AUTO; + } + else + value = DIAGNOSTICS_COLOR_DEFAULT; + } + pp_show_color (context->printer) + = colorize_init ((diagnostic_color_rule_t) value); +} + /* Do any cleaning up required after the last diagnostic is emitted. */ void |