diff options
Diffstat (limited to 'gdb/ui-file.c')
| -rw-r--r-- | gdb/ui-file.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gdb/ui-file.c b/gdb/ui-file.c index 77f6b31..4139b5d 100644 --- a/gdb/ui-file.c +++ b/gdb/ui-file.c @@ -101,6 +101,33 @@ ui_file_isatty (struct ui_file *file) return file->isatty (); } +/* true if the gdb terminal supports styling, and styling is enabled. */ + +static bool +term_cli_styling () +{ + extern int cli_styling; + + if (!cli_styling) + return false; + + const char *term = getenv ("TERM"); + /* Windows doesn't by default define $TERM, but can support styles + regardless. */ +#ifndef _WIN32 + if (term == nullptr || !strcmp (term, "dumb")) + return false; +#else + /* But if they do define $TERM, let us behave the same as on Posix + platforms, for the benefit of programs which invoke GDB as their + back-end. */ + if (term && !strcmp (term, "dumb")) + return false; +#endif + return true; +} + + void ui_file_write (struct ui_file *file, const char *buf, @@ -140,6 +167,22 @@ string_file::write (const char *buf, long length_buf) m_string.append (buf, length_buf); } +/* See ui-file.h. */ + +bool +string_file::term_out () +{ + return m_term_out; +} + +/* See ui-file.h. */ + +bool +string_file::can_emit_style_escape () +{ + return m_term_out && term_cli_styling (); +} + stdio_file::stdio_file (FILE *file, bool close_p) @@ -255,6 +298,16 @@ stdio_file::isatty () return ::isatty (m_fd); } +/* See ui-file.h. */ + +bool +stdio_file::can_emit_style_escape () +{ + return (this == gdb_stdout + && this->isatty () + && term_cli_styling ()); +} + /* This is the implementation of ui_file method 'write' for stderr. @@ -332,3 +385,21 @@ tee_file::isatty () { return m_one->isatty (); } + +/* See ui-file.h. */ + +bool +tee_file::term_out () +{ + return m_one->term_out (); +} + +/* See ui-file.h. */ + +bool +tee_file::can_emit_style_escape () +{ + return (this == gdb_stdout + && m_one->term_out () + && term_cli_styling ()); +} |