e3c5bfd457* Remove references to global `qe_state` Add `QEmacsState *qs` field in context and object structures: - `QEditScreen`, `EditState` (renamed from `qe_state`), `QuitState` - `WinWindow` (win32.c), `X11State` (x11.c), `QEArgs` (cmd line arguments) - `CmdLineOptionDef::func_arg()`, `QEModeData` - move `QEKeyContext` to `QEmacsState` Pass `QEmacsState *qs` to configuration and state functions: - all `module_xxx_init` and static `xxx_init` functions - `QEDisplay::dpy_init()`, `qe_register_display()`, `screen_init()̀` - `load_input_methods()`, `unload_input_methods()` - `register_input_method()`, `find_input_method()` - `find_resource_file()`, `open_resource_file()` - `qe_find_current_binding()`, `qe_list_bindings()` - `qe_register_mode()`, `qe_find_mode()`, `qe_find_mode_filename()` - `qe_register_cmd_line_options()`, `set_user_option()`, `set_tty_charset()` - `qe_register_commands()`, `qe_register_bindings()`, `qe_find_cmd()` - `qe_register_completion()`, `qe_register_variables()` - `eb_register_data_type()`, `parse_command_line()` - `eb_trace_bytes()`, `qe_toggle_control_h()` (split from `do_toggle_control_h()`) - `unget_key()`, `qe_grab_keys()`, `qe_ungrab_keys()`, `qe_key_process()` - `eb_new()`, `eb_find()`, `eb_find_new()`, `eb_scratch()`, `eb_find_file()` - `new_shell_buffer()` `macro_add_key()`, `clear_macro(), `stop_macro()` - `check_window()`, `check_buffer()`, `qe_kill_buffer()`, `qe_get_history()` - `qe_register_charset()`, `find_charset()` Add error message handlers: - add `QEDisplay::dpy_error()` method - add `qe_cfg_error()`, use for all expression parsing errors - pass opaque pointer to `css_error()` - add `qe_put_error()` and `qe_dpy_error()` Add context argument: - always pass a non-null window pointer to `do_refresh()`, `new_help_buffer()` Rename functions: - `find_resource_file` -> `qe_find_resource_file` - `open_resource_file` -> `qe_open_resource_file` - `input_methods_init` -> `qe_input_methods_init` - `load_input_methods` -> `qe_load_input_methods` - `unload_input_methods` -> `qe_unload_input_methods` - `find_input_methods` -> `qe_find_input_methods` - `register_input_method` -> `qe_register_input_method` - `parse_command_line` -> `qe_parse_command_line` - `eb_trace_bytes` -> `qe_trace_bytes` - `eb_init` -> `qe_data_init` - `eb_count_buffers` -> `qe_count_buffers` - `eb_get_buffer_from_index` -> `qe_get_buffer_from_index` - `init_all_modules` -> `qe_init_all_modules` - `exit_all_modules` -> `qe_exit_all_modules` - `load_all_modules` -> `qe_load_all_modules` - `maybe_set_mark` -> `do_maybe_set_mark` - `unget_key` -> `qe_unget_key` - `minibuffer_init` -> `qe_minibuffer_init` - `edit_display` -> `qe_display` - `new_yank_buffer` -> `qe_new_yank_buffer` - `new_shell_buffer` -> `qe_new_shell_buffer` - `shell_find_mode` -> `qe_shell_find_mode` - `save_selection` -> `qe_save_selection` - `register_emulation_bindings` -> `qe_register_emulation_bindings` - `macro_add_key` -> `qe_macro_add_key` - `clear_macro` -> `qe_clear_macro` - `stop_macro` -> `qe_stop_macro` - `eb_format_message` -> `qe_format_message` - `screen_init` -> `qe_screen_init` - `charset_jis_init` -> `qe_charset_jis_init` - `charset_more_init` -> `qe_charset_more_init` - `check_window` -> `qe_check_window` - `check_buffer` -> `qe_check_buffer` - `eb_find_file` -> `qe_find_buffer_file` - `eb_find` -> `qe_find_buffer_name` - `eb_new` -> `qe_new_buffer` - `eb_find_new` -> `qe_new_buffer` with `BC_REUSE` - `eb_scratch` -> `qe_new_buffer` with `BC_REUSE | BC_CLEAR` - `find_charset` -> `qe_find_charset` Add asan, msan and ubsan targets Fix `qe_encode64` buffer length computation. Add `qe_new_shell_buffer` flags `SF_REUSE_BUFFER` and `SF_ERASE_BUFFER` Bumped version to 6.3.3 fix redundant typedef fix compilation errors
515 lines
17 KiB
C
515 lines
17 KiB
C
/*
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* Ruby language mode for QEmacs.
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*
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* Copyright (c) 2000-2024 Charlie Gordon.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qe.h"
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/*---------------- Ruby script coloring ----------------*/
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static char const ruby_keywords[] = {
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"|__ENCODING__|__END__|__FILE__|__LINE__"
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"|BEGIN|END|alias|and|assert|begin|break"
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"|call|case|catch|class|def|defined?|do"
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"|else|elsif|end|ensure|eval|exit|extend"
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"|false|for|if|in|include|lambda|lambda?|loop"
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"|module|new|next|nil|not|or|private|proc"
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"|raise|refute|require|rescue|retry|return"
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"|self|super|then|throw|true|unless|until"
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"|when|while|yield"
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"|"
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};
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/* Ruby operators:
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* ` + - +@ -@ * / % << >> < <= > >= =
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* == === <=> [] []= ** ! ~ != !~ =~ & | ^
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*/
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enum {
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IN_RUBY_HEREDOC = 0x80,
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IN_RUBY_HD_INDENT = 0x40,
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IN_RUBY_HD_SIG = 0x3f,
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IN_RUBY_COMMENT = 0x40,
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IN_RUBY_STRING = 0x20 /* single quote */,
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IN_RUBY_STRING2 = 0x10 /* double quote */,
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IN_RUBY_STRING3 = 0x08 /* back quote */,
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IN_RUBY_STRING4 = 0x04 /* %q{...} */,
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IN_RUBY_REGEX = 0x02,
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IN_RUBY_POD = 0x01,
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};
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enum {
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RUBY_STYLE_TEXT = QE_STYLE_DEFAULT,
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RUBY_STYLE_COMMENT = QE_STYLE_COMMENT,
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RUBY_STYLE_STRING = QE_STYLE_STRING,
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RUBY_STYLE_STRING2 = QE_STYLE_STRING,
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RUBY_STYLE_STRING3 = QE_STYLE_STRING,
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RUBY_STYLE_STRING4 = QE_STYLE_STRING,
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RUBY_STYLE_REGEX = QE_STYLE_STRING_Q,
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RUBY_STYLE_NUMBER = QE_STYLE_NUMBER,
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RUBY_STYLE_KEYWORD = QE_STYLE_KEYWORD,
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RUBY_STYLE_TYPE = QE_STYLE_TYPE,
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RUBY_STYLE_FUNCTION = QE_STYLE_FUNCTION,
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RUBY_STYLE_MEMBER = QE_STYLE_DEFAULT,
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RUBY_STYLE_HEREDOC = QE_STYLE_PREPROCESS,
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};
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static int ruby_get_name(char *buf, int size, const char32_t *str) {
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int len, i = 0, j;
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for (len = 0, j = i; qe_isalnum_(str[j]); j++) {
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if (len < size - 1)
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buf[len++] = str[j];
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}
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if (str[j] == '?' || str[j] == '!') {
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if (len < size - 1)
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buf[len++] = str[j];
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j++;
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}
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if (len < size) {
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buf[len] = '\0';
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}
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return j - i;
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}
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static void ruby_colorize_line(QEColorizeContext *cp,
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const char32_t *str, int n,
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QETermStyle *sbuf, ModeDef *syn)
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{
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int i = 0, j, start = i, style = 0, indent;
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char32_t c;
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static char32_t sep, sep0; /* XXX: ugly patch */
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static int level; /* XXX: ugly patch */
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int state = cp->colorize_state;
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char kbuf[64];
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indent = cp_skip_blanks(str, 0, n);
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if (state & IN_RUBY_HEREDOC) {
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if (state & IN_RUBY_HD_INDENT) {
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i = indent;
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}
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if (qe_isalpha_(str[i])) {
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int sig = str[i++] % 61;
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for (; qe_isalnum_(str[i]); i++) {
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sig = ((sig << 6) + str[i]) % 61;
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}
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i = cp_skip_blanks(str, i, n);
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if (i == n && (state & IN_RUBY_HD_SIG) == (sig & IN_RUBY_HD_SIG))
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state &= ~(IN_RUBY_HEREDOC | IN_RUBY_HD_INDENT | IN_RUBY_HD_SIG);
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}
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i = n;
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SET_STYLE(sbuf, start, i, RUBY_STYLE_HEREDOC);
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} else {
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if (state & IN_RUBY_COMMENT)
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goto parse_c_comment;
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if (state & IN_RUBY_REGEX)
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goto parse_regex;
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if (state & IN_RUBY_STRING)
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goto parse_string;
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if (state & IN_RUBY_STRING2)
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goto parse_string2;
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if (state & IN_RUBY_STRING3)
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goto parse_string3;
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if (state & IN_RUBY_STRING4)
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goto parse_string4;
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if (str[i] == '=' && qe_isalpha(str[i + 1])) {
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state |= IN_RUBY_POD;
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}
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if (state & IN_RUBY_POD) {
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if (ustrstart(str + i, "=end", NULL)) {
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state &= ~IN_RUBY_POD;
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}
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style = RUBY_STYLE_COMMENT;
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if (str[i] == '=' && qe_isalpha(str[i + 1]))
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style = RUBY_STYLE_KEYWORD;
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i = n;
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SET_STYLE(sbuf, start, i, style);
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}
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}
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i = cp_skip_blanks(str, i, n);
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indent = i;
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while (i < n) {
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start = i;
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c = str[i++];
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switch (c) {
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case '/':
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if (str[i] == '*') {
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/* C comment */
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i++;
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parse_c_comment:
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state = IN_RUBY_COMMENT;
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for (; i < n; i++) {
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if (str[i] == '*' && str[i + 1] == '/') {
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i += 2;
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state &= ~IN_RUBY_COMMENT;
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break;
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}
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}
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goto comment;
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}
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if (start == indent
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|| (str[i] != ' ' && str[i] != '='
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&& i >= 2
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&& !qe_isalnum(str[i - 2])
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&& str[i - 2] != ')')) {
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/* XXX: should use context to tell regex from divide */
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/* parse regex */
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state = IN_RUBY_REGEX;
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parse_regex:
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while (i < n) {
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/* XXX: should ignore / inside char classes */
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c = str[i++];
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if (c == '\\') {
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if (i < n) {
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i += 1;
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}
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} else
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if (c == '#' && str[i] == '{') {
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/* should parse full syntax */
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while (i < n && str[i++] != '}')
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continue;
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} else
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if (c == '/') {
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while (qe_findchar("ensuimox", str[i])) {
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i++;
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}
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state = 0;
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break;
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}
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}
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style = RUBY_STYLE_REGEX;
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break;
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}
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continue;
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case '#':
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i = n;
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comment:
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style = RUBY_STYLE_COMMENT;
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break;
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case '%':
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/* parse alternate string/array syntaxes */
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if (str[i] != '\0' && !qe_isblank(str[i]) && !qe_isalnum(str[i]))
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goto has_string4;
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if (str[i] == 'q' || str[i] == 'Q'
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|| str[i] == 'r' || str[i] == 'x'
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|| str[i] == 'w' || str[i] == 'W') {
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i++;
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has_string4:
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level = 0;
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sep = sep0 = str[i++];
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if (sep == '{') sep = '}';
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if (sep == '(') sep = ')';
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if (sep == '[') sep = ']';
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if (sep == '<') sep = '>';
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/* parse special string const */
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state = IN_RUBY_STRING4;
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parse_string4:
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while (i < n) {
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c = str[i++];
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if (c == sep) {
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if (level-- == 0) {
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state = level = 0;
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break;
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}
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/* XXX: should parse regex modifiers if %r */
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} else
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if (c == sep0) {
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level++;
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} else
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if (c == '#' && str[i] == '{') {
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/* XXX: should no parse if %q */
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/* XXX: should parse full syntax */
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while (i < n && str[i++] != '}')
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continue;
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} else
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if (c == '\\') {
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if (i < n) {
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i += 1;
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}
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}
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}
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style = RUBY_STYLE_STRING4;
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break;
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}
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continue;
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case '\'':
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/* parse single quoted string const */
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state = IN_RUBY_STRING;
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parse_string:
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while (i < n) {
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c = str[i++];
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if (c == '\\' && (str[i] == '\\' || str[i] == '\'')) {
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i += 1;
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} else
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if (c == '\'') {
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state = 0;
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break;
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}
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}
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style = RUBY_STYLE_STRING;
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break;
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case '`':
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/* parse single quoted string const */
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state = IN_RUBY_STRING3;
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parse_string3:
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while (i < n) {
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c = str[i++];
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if (c == '\\' && (str[i] == '\\' || str[i] == '\'')) {
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i += 1;
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} else
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if (c == '#' && str[i] == '{') {
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/* should parse full syntax */
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while (i < n && str[i++] != '}')
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continue;
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} else
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if (c == '`') {
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state = 0;
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break;
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}
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}
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style = RUBY_STYLE_STRING3;
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break;
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case '\"':
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/* parse double quoted string const */
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parse_string2:
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c = '\0';
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while (i < n) {
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c = str[i++];
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if (c == '\\') {
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if (i < n) {
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i += 1;
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}
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} else
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if (c == '#' && str[i] == '{') {
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/* should parse full syntax */
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while (i < n && str[i++] != '}')
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continue;
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} else
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if (c == '\"') {
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break;
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}
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}
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if (c == '\"') {
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if (state == IN_RUBY_STRING2)
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state = 0;
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} else {
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if (state == 0)
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state = IN_RUBY_STRING2;
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}
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style = RUBY_STYLE_STRING2;
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break;
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case '<':
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if (str[i] == '<') {
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/* XXX: should use context to tell lshift from heredoc:
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* here documents are introduced by monadic <<.
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* Monadic use could be detected in some contexts, such
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* as eval(<<EOS), but not in the general case.
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* We use a heuristical approach: let's assume here
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* document ids are not separated from the << by white
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* space.
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* XXX: should parse full here document syntax.
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*/
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int sig = 0;
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j = i + 1;
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if (str[j] == '-') {
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j++;
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}
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if ((str[j] == '\'' || str[j] == '\"')
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&& qe_isalpha_(str[j + 1])) {
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sep = str[j++];
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sig = str[j++] % 61;
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for (; qe_isalnum_(str[j]); j++) {
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sig = ((sig << 6) + str[j]) % 61;
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}
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if (str[j++] != sep)
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break;
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} else
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if (qe_isalpha_(str[j])) {
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sig = str[j++] % 61;
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for (; qe_isalnum_(str[j]); j++) {
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sig = ((sig << 6) + str[j]) % 61;
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}
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}
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if (sig) {
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/* Multiple here documents can be specified on the
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* same line, only the last one will prevail, which
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* is OK for coloring purposes.
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* state will be cleared if a string or a comment
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* start on the line after the << operator. This
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* is a bug due to limited state bits.
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*/
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state &= ~(IN_RUBY_HEREDOC | IN_RUBY_HD_INDENT | IN_RUBY_HD_SIG);
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state |= IN_RUBY_HEREDOC;
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if (str[i + 1] == '-') {
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state |= IN_RUBY_HD_INDENT;
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}
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state |= (sig & IN_RUBY_HD_SIG);
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i = j;
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style = RUBY_STYLE_HEREDOC;
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break;
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}
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}
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continue;
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case '?':
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/* XXX: should parse character constants */
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continue;
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case '.':
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if (qe_isdigit_(str[i]))
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goto parse_decimal;
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continue;
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case '$':
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/* XXX: should parse precise $ syntax,
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* skip $" and $' for now
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*/
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if (i < n)
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i++;
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continue;
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case ':':
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/* XXX: should parse Ruby symbol */
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continue;
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case '@':
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i += ruby_get_name(kbuf, countof(kbuf), str + i);
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style = RUBY_STYLE_MEMBER;
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break;
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default:
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if (qe_isdigit(c)) {
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if (c == '0' && qe_tolower(str[i]) == 'b') {
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/* binary numbers */
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for (i += 1; qe_isbindigit_(str[i]); i++)
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continue;
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} else
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if (c == '0' && qe_tolower(str[i]) == 'o') {
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/* octal numbers */
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for (i += 1; qe_isoctdigit_(str[i]); i++)
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continue;
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} else
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if (c == '0' && qe_tolower(str[i]) == 'x') {
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|
/* hexadecimal numbers */
|
|
for (i += 1; qe_isxdigit_(str[i]); i++)
|
|
continue;
|
|
} else
|
|
if (c == '0' && qe_tolower(str[i]) == 'd') {
|
|
/* hexadecimal numbers */
|
|
for (i += 1; qe_isdigit_(str[i]); i++)
|
|
continue;
|
|
} else {
|
|
/* decimal numbers */
|
|
for (; qe_isdigit_(str[i]); i++)
|
|
continue;
|
|
if (str[i] == '.') {
|
|
i++;
|
|
parse_decimal:
|
|
for (; qe_isdigit_(str[i]); i++)
|
|
continue;
|
|
}
|
|
if (qe_tolower(str[i]) == 'e') {
|
|
int k = i + 1;
|
|
if (str[k] == '+' || str[k] == '-')
|
|
k++;
|
|
if (qe_isdigit_(str[k])) {
|
|
for (i = k + 1; qe_isdigit_(str[i]); i++)
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
/* XXX: should detect malformed number constants */
|
|
style = RUBY_STYLE_NUMBER;
|
|
break;
|
|
}
|
|
if (qe_isalpha_(c)) {
|
|
i--;
|
|
i += ruby_get_name(kbuf, countof(kbuf), str + i);
|
|
|
|
if (strfind(syn->keywords, kbuf)) {
|
|
style = RUBY_STYLE_KEYWORD;
|
|
break;
|
|
}
|
|
if (strfind(syn->types, kbuf)) {
|
|
style = RUBY_STYLE_TYPE;
|
|
break;
|
|
}
|
|
if (qe_isblank(str[i]))
|
|
i++;
|
|
if (str[i] == '(' || str[i] == '{') {
|
|
style = RUBY_STYLE_FUNCTION;
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
continue;
|
|
}
|
|
if (style) {
|
|
SET_STYLE(sbuf, start, i, style);
|
|
style = 0;
|
|
}
|
|
}
|
|
cp->colorize_state = state;
|
|
}
|
|
|
|
static int ruby_mode_probe(ModeDef *mode, ModeProbeData *p)
|
|
{
|
|
if (match_extension(p->filename, mode->extensions)
|
|
|| match_shell_handler(cs8(p->buf), mode->shell_handlers)
|
|
|| stristart(p->filename, "Rakefile", NULL)) {
|
|
return 80;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static ModeDef ruby_mode = {
|
|
.name = "Ruby",
|
|
.extensions = "rb|gemspec",
|
|
.shell_handlers = "ruby",
|
|
.mode_probe = ruby_mode_probe,
|
|
.keywords = ruby_keywords,
|
|
.colorize_func = ruby_colorize_line,
|
|
};
|
|
|
|
static int ruby_init(QEmacsState *qs)
|
|
{
|
|
qe_register_mode(qs, &ruby_mode, MODEF_SYNTAX);
|
|
return 0;
|
|
}
|
|
|
|
qe_module_init(ruby_init);
|