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[Qemacs-commit] qemacs extra-modes.c
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From: |
Charlie Gordon |
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Subject: |
[Qemacs-commit] qemacs extra-modes.c |
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Date: |
Mon, 15 May 2017 04:05:24 -0400 (EDT) |
CVSROOT: /sources/qemacs
Module name: qemacs
Changes by: Charlie Gordon <chqrlie> 17/05/15 04:05:24
Modified files:
. : extra-modes.c
Log message:
extra-modes: add Magpie scripting language
CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/qemacs/extra-modes.c?cvsroot=qemacs&r1=1.63&r2=1.64
Patches:
Index: extra-modes.c
===================================================================
RCS file: /sources/qemacs/qemacs/extra-modes.c,v
retrieving revision 1.63
retrieving revision 1.64
diff -u -b -r1.63 -r1.64
--- extra-modes.c 10 May 2017 15:42:47 -0000 1.63
+++ extra-modes.c 15 May 2017 08:05:24 -0000 1.64
@@ -4727,6 +4727,237 @@
return 0;
}
+/*---------------- Magpie coloring ----------------*/
+
+static char const magpie_keywords[] = {
+ "and|as|async|break|case|catch|defclass|def|do|else|end|fn|for|if|"
+ "import|in|is|let|match|or|return|then|throw|var|val|while|with|"
+ "not|native|namespace|class|struct|using|new|interface|"
+ "get|set|shared|done|"
+ "false|true|nothing|it|"
+};
+
+enum {
+ IN_MAGPIE_COMMENT = 0x01,
+ IN_MAGPIE_STRING2 = 0x02, /* double quote */
+};
+
+enum {
+ MAGPIE_STYLE_TEXT = QE_STYLE_DEFAULT,
+ MAGPIE_STYLE_SHBANG = QE_STYLE_PREPROCESS,
+ MAGPIE_STYLE_COMMENT = QE_STYLE_COMMENT,
+ MAGPIE_STYLE_STRING2 = QE_STYLE_STRING,
+ MAGPIE_STYLE_NUMBER = QE_STYLE_NUMBER,
+ MAGPIE_STYLE_KEYWORD = QE_STYLE_KEYWORD,
+ MAGPIE_STYLE_TYPE = QE_STYLE_TYPE,
+ MAGPIE_STYLE_FUNCTION = QE_STYLE_FUNCTION,
+ MAGPIE_STYLE_SYMBOL = QE_STYLE_VARIABLE,
+};
+
+static int magpie_get_name(char *buf, int size, unsigned int *str)
+{
+ int len, i = 0, j;
+
+ for (len = 0, j = i; qe_isalnum_(str[j]); j++) {
+ if (len < size - 1)
+ buf[len++] = str[j];
+ }
+ if (len < size) {
+ buf[len] = '\0';
+ }
+ return j - i;
+}
+
+static void magpie_colorize_line(QEColorizeContext *cp,
+ unsigned int *str, int n, ModeDef *syn)
+{
+ int i = 0, start = i, c, style = 0, indent;
+ int state = cp->colorize_state;
+ char kbuf[64];
+
+ for (indent = 0; qe_isblank(str[indent]); indent++)
+ continue;
+
+ if (state & IN_MAGPIE_COMMENT)
+ goto parse_comment;
+
+ if (state & IN_MAGPIE_STRING2)
+ goto parse_string2;
+
+ while (i < n && qe_isblank(str[i]))
+ i++;
+
+ indent = i;
+
+ while (i < n) {
+ start = i;
+ c = str[i++];
+ switch (c) {
+ case '/':
+ if (str[i] == '*') {
+ /* C comment */
+ i++;
+ parse_comment:
+ state = IN_MAGPIE_COMMENT;
+ for (; i < n; i++) {
+ if (str[i] == '*' && str[i + 1] == '/') {
+ i += 2;
+ state &= ~IN_MAGPIE_COMMENT;
+ break;
+ }
+ }
+ style = MAGPIE_STYLE_COMMENT;
+ break;
+ }
+ if (str[i] == '/') {
+ i = n;
+ style = MAGPIE_STYLE_COMMENT;
+ break;
+ }
+ continue;
+
+ case '#':
+ if (str[i] == '!') {
+ i = n;
+ style = MAGPIE_STYLE_SHBANG;
+ break;
+ }
+ i = n;
+ style = MAGPIE_STYLE_COMMENT; /* probably incorrect */
+ break;
+
+ case '\'':
+ /* parse symbol quoted string const */
+ i += magpie_get_name(kbuf, countof(kbuf), str + i);
+ style = MAGPIE_STYLE_SYMBOL;
+ break;
+
+ case '\"':
+ /* parse double quoted string const */
+ parse_string2:
+ c = '\0';
+ while (i < n) {
+ c = str[i++];
+ if (c == '\\') {
+ if (i < n) {
+ i += 1;
+ }
+ } else
+ if (c == '#' && str[i] == '{') {
+ /* should parse full syntax */
+ while (i < n && str[i++] != '}')
+ continue;
+ } else
+ if (c == '\"') {
+ break;
+ }
+ }
+ if (c == '\"') {
+ if (state == IN_MAGPIE_STRING2)
+ state = 0;
+ } else {
+ if (state == 0)
+ state = IN_MAGPIE_STRING2;
+ }
+ style = MAGPIE_STYLE_STRING2;
+ break;
+
+ case '.':
+ if (qe_isdigit_(str[i]))
+ goto parse_decimal;
+ continue;
+
+ default:
+ if (qe_isdigit(c)) {
+ if (c == '0' && qe_tolower(str[i]) == 'b') {
+ /* binary numbers */
+ for (i += 1; qe_isbindigit_(str[i]); i++)
+ continue;
+ } else
+ if (c == '0' && qe_tolower(str[i]) == 'o') {
+ /* octal numbers */
+ for (i += 1; qe_isoctdigit_(str[i]); i++)
+ continue;
+ } else
+ if (c == '0' && qe_tolower(str[i]) == 'x') {
+ /* 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 = MAGPIE_STYLE_NUMBER;
+ break;
+ }
+ if (qe_isalpha_(c)) {
+ i--;
+ i += magpie_get_name(kbuf, countof(kbuf), str + i);
+
+ if (strfind(syn->keywords, kbuf)) {
+ style = MAGPIE_STYLE_KEYWORD;
+ break;
+ }
+ if (qe_isblank(str[i]))
+ i++;
+ if (str[i] == '(' || str[i] == '{') {
+ style = MAGPIE_STYLE_FUNCTION;
+ break;
+ }
+ if (qe_isupper(kbuf[0]) && (start == 0 || str[start-1] !=
'.')) {
+ /* Types are capitalized */
+ style = MAGPIE_STYLE_TYPE;
+ break;
+ }
+ continue;
+ }
+ continue;
+ }
+ if (style) {
+ SET_COLOR(str, start, i, style);
+ style = 0;
+ }
+ }
+ cp->colorize_state = state;
+}
+
+static ModeDef magpie_mode = {
+ .name = "Magpie",
+ .extensions = "mag",
+ .shell_handlers = "magpie",
+ .keywords = magpie_keywords,
+ .colorize_func = magpie_colorize_line,
+};
+
+static int magpie_init(void)
+{
+ qe_register_mode(&magpie_mode, MODEF_SYNTAX);
+
+ return 0;
+}
+
/*----------------*/
static int extra_modes_init(void)
@@ -4754,6 +4985,7 @@
agena_init();
smalltalk_init();
scad_init();
+ magpie_init();
return 0;
}