285 lines
8.9 KiB
C
285 lines
8.9 KiB
C
/*
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* Jai mode for QEmacs.
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*
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* Copyright (c) 2015-2024 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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/*---------------- Jai coloring ----------------*/
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static char const jai_keywords[] = {
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/* Jai keywords */
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// #char #foreign #import #run
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"using|new|remove|delete|cast|struct|enum|if|else|for|while|switch|"
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"case|continue|break|return|defer|inline|"
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/* predefined constants */
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"false|true|null|it|void|"
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};
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static char const jai_types[] = {
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"bool|string|int|float|float32|float64|"
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"u8|u16|u32|u64|s8|s16|s32|s64|"
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};
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enum {
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JAI_STYLE_DEFAULT = 0,
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JAI_STYLE_DIRECTIVE = QE_STYLE_PREPROCESS,
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JAI_STYLE_COMMENT = QE_STYLE_COMMENT,
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JAI_STYLE_REGEX = QE_STYLE_STRING_Q,
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JAI_STYLE_STRING = QE_STYLE_STRING,
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JAI_STYLE_STRING_Q = QE_STYLE_STRING_Q,
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JAI_STYLE_NUMBER = QE_STYLE_NUMBER,
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JAI_STYLE_KEYWORD = QE_STYLE_KEYWORD,
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JAI_STYLE_TYPE = QE_STYLE_TYPE,
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JAI_STYLE_FUNCTION = QE_STYLE_FUNCTION,
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JAI_STYLE_VARIABLE = QE_STYLE_VARIABLE,
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};
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/* jai-mode colorization states */
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enum {
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IN_JAI_COMMENT = 0x0F, /* multiline comment (nested) */
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IN_JAI_COMMENT_SHIFT = 0,
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IN_JAI_STRING = 0x10, /* double-quoted string */
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IN_JAI_STRING_Q = 0x20, /* single-quoted string */
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};
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static void jai_colorize_line(QEColorizeContext *cp,
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char32_t *str, int n, ModeDef *syn)
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{
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int i = 0, start = i, style = 0, i1, i2, level;
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char32_t c = 0, delim;
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int state = cp->colorize_state;
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char kbuf[64];
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if (state) {
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/* if already in a state, go directly in the code parsing it */
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if (state & IN_JAI_COMMENT)
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goto parse_comment;
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if (state & IN_JAI_STRING)
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goto parse_string;
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if (state & IN_JAI_STRING_Q)
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goto parse_string_q;
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}
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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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/* multi-line nested (!) comment */
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state |= 1 << IN_JAI_COMMENT_SHIFT;
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i++;
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parse_comment:
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level = (state & IN_JAI_COMMENT) >> IN_JAI_COMMENT_SHIFT;
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while (i < n) {
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c = str[i++];
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if (c == '/' && str[i] == '*') {
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level++;
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i++;
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continue;
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}
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if (c == '*' && str[i] == '/') {
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i++;
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level--;
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if (level == 0)
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break;
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}
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}
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state &= ~IN_JAI_COMMENT;
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state |= level << IN_JAI_COMMENT_SHIFT;
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style = JAI_STYLE_COMMENT;
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break;
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} else
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if (str[i] == '/') {
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/* line comment */
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style = JAI_STYLE_COMMENT;
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i = n;
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break;
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}
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break;
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case '#': /* directive */
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while (qe_isalnum(str[i])) {
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i++;
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}
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style = JAI_STYLE_DIRECTIVE;
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break;
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case '\'': /* character constant */
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/* jai accepts quoted characters and quoted symbols */
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if (i + 1 < n && (str[i] == '\\' || str[i+1] == '\''))
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goto parse_string_q;
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else
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goto normal;
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parse_string_q:
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state |= IN_JAI_STRING_Q;
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style = JAI_STYLE_STRING_Q;
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delim = '\'';
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goto string;
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case '\"': /* string literal */
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parse_string:
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state |= IN_JAI_STRING;
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style = JAI_STYLE_STRING;
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delim = '\"';
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string:
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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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break;
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i++;
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} else
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if (c == delim) {
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state &= ~(IN_JAI_STRING | IN_JAI_STRING_Q);
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break;
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}
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}
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break;
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default:
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normal:
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if (qe_isdigit(c)) {
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int j;
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// Integers:
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// 0x[0-9a-fA-F]+
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// [0-9]+
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// Floats:
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// [0-9]+\.[0-9]+([eE][-\+]?[0-9]+)?
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// [0-9]+(\.[0-9]+)?[eE][-\+]?[0-9]+
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if (c == '0' && str[i] == 'x' && qe_isxdigit_(str[i + 1])) {
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for (i += 3; qe_isxdigit_(str[i]); i++)
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continue;
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} else {
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while (qe_isdigit_(str[i]))
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i++;
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if (str[i] == '.' && qe_isdigit_(str[i + 1])) {
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for (i += 2; qe_isdigit_(str[i]); i++)
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continue;
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}
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if (str[i] == 'e' || str[i] == 'E') {
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j = i + 1;
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if (str[j] == '+' || str[j] == '-')
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j++;
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if (qe_isdigit_(str[j])) {
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for (i = j + 1; qe_isdigit_(str[i]); i++)
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continue;
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}
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}
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}
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style = JAI_STYLE_NUMBER;
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break;
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}
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if (qe_isalpha_(c)) {
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i += ustr_get_identifier(kbuf, countof(kbuf), c, str, i, n);
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if (strfind(syn->keywords, kbuf)) {
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style = JAI_STYLE_KEYWORD;
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break;
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}
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i1 = i;
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while (qe_isblank(str[i1]))
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i1++;
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i2 = i1;
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while (qe_isblank(str[i2]))
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i2++;
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if ((start == 0 || str[start - 1] != '.')
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&& !qe_findchar(".(:", str[i])
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&& strfind(syn->types, kbuf)) {
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style = JAI_STYLE_TYPE;
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break;
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}
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if (str[i1] == '(') {
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/* function call */
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/* XXX: different styles for call and definition */
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style = JAI_STYLE_FUNCTION;
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break;
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}
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break;
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}
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continue;
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}
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if (style) {
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SET_COLOR(str, start, i, style);
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style = 0;
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}
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}
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/* set style on eol char */
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SET_COLOR1(str, n, style);
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cp->colorize_state = state;
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}
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static ModeDef jai_mode = {
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.name = "Jai",
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.extensions = "jai",
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.keywords = jai_keywords,
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.types = jai_types,
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.colorize_func = jai_colorize_line,
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//.indent_func = c_indent_line,
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.auto_indent = 1,
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.fallback = &c_mode,
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};
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/*---------------- Vale coloring ----------------*/
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static char const vale_keywords[] = {
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/* Vale control keywords */
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"as|else|fn|for|if|imm|impl|infer-ret|inl|lock|mat|mut|nad|not|or|ret|yon|"
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"foreach|in|while|set|_|"
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/* Vale other keywords */
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"abstract|destruct|drop|interface|rules|sealed|struct|this|virtual|weakable|"
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/* Vale import keywords */
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"export|extern|"
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"exported|func|import|where|self|"
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/* Vale constants */
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"true|false|void|"
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/* Vale operators */
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"and|mod|"
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};
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static char const vale_types[] = {
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"str|int|i64|bool|float|Opt|None|Ref|Array|List|Vec|HashMap"
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};
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static ModeDef vale_mode = {
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.name = "Vale",
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.extensions = "vale",
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.keywords = vale_keywords,
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.types = vale_types,
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.colorize_func = jai_colorize_line,
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//.indent_func = c_indent_line,
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.auto_indent = 1,
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.fallback = &c_mode,
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};
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static int jai_init(void)
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{
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qe_register_mode(&jai_mode, MODEF_SYNTAX);
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qe_register_mode(&vale_mode, MODEF_SYNTAX);
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return 0;
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}
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qe_module_init(jai_init);
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