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comparison .cms/lib/codemirror/mode/forth/forth.js @ 0:78edf6b517a0 draft

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24.10
author Coffee CMS <info@coffee-cms.ru>
date Fri, 11 Oct 2024 22:40:23 +0000
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-1:000000000000 0:78edf6b517a0
1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
3
4 // Author: Aliaksei Chapyzhenka
5
6 (function(mod) {
7 if (typeof exports == "object" && typeof module == "object") // CommonJS
8 mod(require("../../lib/codemirror"));
9 else if (typeof define == "function" && define.amd) // AMD
10 define(["../../lib/codemirror"], mod);
11 else // Plain browser env
12 mod(CodeMirror);
13 })(function(CodeMirror) {
14 "use strict";
15
16 function toWordList(words) {
17 var ret = [];
18 words.split(' ').forEach(function(e){
19 ret.push({name: e});
20 });
21 return ret;
22 }
23
24 var coreWordList = toWordList(
25 'INVERT AND OR XOR\
26 2* 2/ LSHIFT RSHIFT\
27 0= = 0< < > U< MIN MAX\
28 2DROP 2DUP 2OVER 2SWAP ?DUP DEPTH DROP DUP OVER ROT SWAP\
29 >R R> R@\
30 + - 1+ 1- ABS NEGATE\
31 S>D * M* UM*\
32 FM/MOD SM/REM UM/MOD */ */MOD / /MOD MOD\
33 HERE , @ ! CELL+ CELLS C, C@ C! CHARS 2@ 2!\
34 ALIGN ALIGNED +! ALLOT\
35 CHAR [CHAR] [ ] BL\
36 FIND EXECUTE IMMEDIATE COUNT LITERAL STATE\
37 ; DOES> >BODY\
38 EVALUATE\
39 SOURCE >IN\
40 <# # #S #> HOLD SIGN BASE >NUMBER HEX DECIMAL\
41 FILL MOVE\
42 . CR EMIT SPACE SPACES TYPE U. .R U.R\
43 ACCEPT\
44 TRUE FALSE\
45 <> U> 0<> 0>\
46 NIP TUCK ROLL PICK\
47 2>R 2R@ 2R>\
48 WITHIN UNUSED MARKER\
49 I J\
50 TO\
51 COMPILE, [COMPILE]\
52 SAVE-INPUT RESTORE-INPUT\
53 PAD ERASE\
54 2LITERAL DNEGATE\
55 D- D+ D0< D0= D2* D2/ D< D= DMAX DMIN D>S DABS\
56 M+ M*/ D. D.R 2ROT DU<\
57 CATCH THROW\
58 FREE RESIZE ALLOCATE\
59 CS-PICK CS-ROLL\
60 GET-CURRENT SET-CURRENT FORTH-WORDLIST GET-ORDER SET-ORDER\
61 PREVIOUS SEARCH-WORDLIST WORDLIST FIND ALSO ONLY FORTH DEFINITIONS ORDER\
62 -TRAILING /STRING SEARCH COMPARE CMOVE CMOVE> BLANK SLITERAL');
63
64 var immediateWordList = toWordList('IF ELSE THEN BEGIN WHILE REPEAT UNTIL RECURSE [IF] [ELSE] [THEN] ?DO DO LOOP +LOOP UNLOOP LEAVE EXIT AGAIN CASE OF ENDOF ENDCASE');
65
66 CodeMirror.defineMode('forth', function() {
67 function searchWordList (wordList, word) {
68 var i;
69 for (i = wordList.length - 1; i >= 0; i--) {
70 if (wordList[i].name === word.toUpperCase()) {
71 return wordList[i];
72 }
73 }
74 return undefined;
75 }
76 return {
77 startState: function() {
78 return {
79 state: '',
80 base: 10,
81 coreWordList: coreWordList,
82 immediateWordList: immediateWordList,
83 wordList: []
84 };
85 },
86 token: function (stream, stt) {
87 var mat;
88 if (stream.eatSpace()) {
89 return null;
90 }
91 if (stt.state === '') { // interpretation
92 if (stream.match(/^(\]|:NONAME)(\s|$)/i)) {
93 stt.state = ' compilation';
94 return 'builtin compilation';
95 }
96 mat = stream.match(/^(\:)\s+(\S+)(\s|$)+/);
97 if (mat) {
98 stt.wordList.push({name: mat[2].toUpperCase()});
99 stt.state = ' compilation';
100 return 'def' + stt.state;
101 }
102 mat = stream.match(/^(VARIABLE|2VARIABLE|CONSTANT|2CONSTANT|CREATE|POSTPONE|VALUE|WORD)\s+(\S+)(\s|$)+/i);
103 if (mat) {
104 stt.wordList.push({name: mat[2].toUpperCase()});
105 return 'def' + stt.state;
106 }
107 mat = stream.match(/^(\'|\[\'\])\s+(\S+)(\s|$)+/);
108 if (mat) {
109 return 'builtin' + stt.state;
110 }
111 } else { // compilation
112 // ; [
113 if (stream.match(/^(\;|\[)(\s)/)) {
114 stt.state = '';
115 stream.backUp(1);
116 return 'builtin compilation';
117 }
118 if (stream.match(/^(\;|\[)($)/)) {
119 stt.state = '';
120 return 'builtin compilation';
121 }
122 if (stream.match(/^(POSTPONE)\s+\S+(\s|$)+/)) {
123 return 'builtin';
124 }
125 }
126
127 // dynamic wordlist
128 mat = stream.match(/^(\S+)(\s+|$)/);
129 if (mat) {
130 if (searchWordList(stt.wordList, mat[1]) !== undefined) {
131 return 'variable' + stt.state;
132 }
133
134 // comments
135 if (mat[1] === '\\') {
136 stream.skipToEnd();
137 return 'comment' + stt.state;
138 }
139
140 // core words
141 if (searchWordList(stt.coreWordList, mat[1]) !== undefined) {
142 return 'builtin' + stt.state;
143 }
144 if (searchWordList(stt.immediateWordList, mat[1]) !== undefined) {
145 return 'keyword' + stt.state;
146 }
147
148 if (mat[1] === '(') {
149 stream.eatWhile(function (s) { return s !== ')'; });
150 stream.eat(')');
151 return 'comment' + stt.state;
152 }
153
154 // // strings
155 if (mat[1] === '.(') {
156 stream.eatWhile(function (s) { return s !== ')'; });
157 stream.eat(')');
158 return 'string' + stt.state;
159 }
160 if (mat[1] === 'S"' || mat[1] === '."' || mat[1] === 'C"') {
161 stream.eatWhile(function (s) { return s !== '"'; });
162 stream.eat('"');
163 return 'string' + stt.state;
164 }
165
166 // numbers
167 if (mat[1] - 0xfffffffff) {
168 return 'number' + stt.state;
169 }
170 // if (mat[1].match(/^[-+]?[0-9]+\.[0-9]*/)) {
171 // return 'number' + stt.state;
172 // }
173
174 return 'atom' + stt.state;
175 }
176 }
177 };
178 });
179 CodeMirror.defineMIME("text/x-forth", "forth");
180 });