diff options
Diffstat (limited to 'gdb/ui-file.c')
| -rw-r--r-- | gdb/ui-file.c | 64 |
1 files changed, 62 insertions, 2 deletions
diff --git a/gdb/ui-file.c b/gdb/ui-file.c index f86b6b1..2e5c06f 100644 --- a/gdb/ui-file.c +++ b/gdb/ui-file.c @@ -408,7 +408,7 @@ tee_file::can_emit_style_escape () /* See ui-file.h. */ void -no_terminal_escape_file::write (const char *buf, long length_buf) +escape_buffering_file::write (const char *buf, long length_buf) { std::string copy (buf, length_buf); this->puts (copy.c_str ()); @@ -417,7 +417,60 @@ no_terminal_escape_file::write (const char *buf, long length_buf) /* See ui-file.h. */ void -no_terminal_escape_file::puts (const char *buf) +escape_buffering_file::puts (const char *buf) +{ + std::string local_buffer; + if (!m_buffer.empty ()) + { + gdb_assert (m_buffer[0] == '\033'); + m_buffer += buf; + /* If we need to keep buffering, we'll handle that below. */ + local_buffer = std::move (m_buffer); + buf = local_buffer.c_str (); + } + + while (*buf != '\0') + { + const char *esc = strchr (buf, '\033'); + if (esc == nullptr) + break; + + /* First, write out any prefix. */ + if (esc > buf) + { + do_write (buf, esc - buf); + buf = esc; + } + + int n_read = 0; + ansi_escape_result seen = examine_ansi_escape (esc, &n_read); + if (seen == ansi_escape_result::INCOMPLETE) + { + /* Start buffering. */ + m_buffer = buf; + return; + } + else if (seen == ansi_escape_result::NO_MATCH) + { + /* Just emit the ESC . */ + n_read = 1; + } + else + gdb_assert (seen == ansi_escape_result::MATCHED); + + do_write (esc, n_read); + buf += n_read; + } + + /* If there is any data remaining in BUF, we can flush it now. */ + if (*buf != '\0') + do_puts (buf); +} + +/* See ui-file.h. */ + +void +no_terminal_escape_file::do_puts (const char *buf) { while (*buf != '\0') { @@ -438,6 +491,13 @@ no_terminal_escape_file::puts (const char *buf) } void +no_terminal_escape_file::do_write (const char *buf, long len) +{ + std::string copy (buf, len); + do_puts (copy.c_str ()); +} + +void timestamped_file::write (const char *buf, long len) { if (debug_timestamp) |