cobol.js 9.9 KB

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  1. /**
  2. * Author: Gautam Mehta
  3. * Branched from CodeMirror's Scheme mode
  4. */
  5. (function(mod) {
  6. if (typeof exports == "object" && typeof module == "object") // CommonJS
  7. mod(require("../../lib/codemirror"));
  8. else if (typeof define == "function" && define.amd) // AMD
  9. define(["../../lib/codemirror"], mod);
  10. else // Plain browser env
  11. mod(CodeMirror);
  12. })(function(CodeMirror) {
  13. "use strict";
  14. CodeMirror.defineMode("cobol", function () {
  15. var BUILTIN = "builtin", COMMENT = "comment", STRING = "string",
  16. ATOM = "atom", NUMBER = "number", KEYWORD = "keyword", MODTAG = "header",
  17. COBOLLINENUM = "def", PERIOD = "link";
  18. function makeKeywords(str) {
  19. var obj = {}, words = str.split(" ");
  20. for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
  21. return obj;
  22. }
  23. var atoms = makeKeywords("TRUE FALSE ZEROES ZEROS ZERO SPACES SPACE LOW-VALUE LOW-VALUES ");
  24. var keywords = makeKeywords(
  25. "ACCEPT ACCESS ACQUIRE ADD ADDRESS " +
  26. "ADVANCING AFTER ALIAS ALL ALPHABET " +
  27. "ALPHABETIC ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED " +
  28. "ALSO ALTER ALTERNATE AND ANY " +
  29. "ARE AREA AREAS ARITHMETIC ASCENDING " +
  30. "ASSIGN AT ATTRIBUTE AUTHOR AUTO " +
  31. "AUTO-SKIP AUTOMATIC B-AND B-EXOR B-LESS " +
  32. "B-NOT B-OR BACKGROUND-COLOR BACKGROUND-COLOUR BEEP " +
  33. "BEFORE BELL BINARY BIT BITS " +
  34. "BLANK BLINK BLOCK BOOLEAN BOTTOM " +
  35. "BY CALL CANCEL CD CF " +
  36. "CH CHARACTER CHARACTERS CLASS CLOCK-UNITS " +
  37. "CLOSE COBOL CODE CODE-SET COL " +
  38. "COLLATING COLUMN COMMA COMMIT COMMITMENT " +
  39. "COMMON COMMUNICATION COMP COMP-0 COMP-1 " +
  40. "COMP-2 COMP-3 COMP-4 COMP-5 COMP-6 " +
  41. "COMP-7 COMP-8 COMP-9 COMPUTATIONAL COMPUTATIONAL-0 " +
  42. "COMPUTATIONAL-1 COMPUTATIONAL-2 COMPUTATIONAL-3 COMPUTATIONAL-4 COMPUTATIONAL-5 " +
  43. "COMPUTATIONAL-6 COMPUTATIONAL-7 COMPUTATIONAL-8 COMPUTATIONAL-9 COMPUTE " +
  44. "CONFIGURATION CONNECT CONSOLE CONTAINED CONTAINS " +
  45. "CONTENT CONTINUE CONTROL CONTROL-AREA CONTROLS " +
  46. "CONVERTING COPY CORR CORRESPONDING COUNT " +
  47. "CRT CRT-UNDER CURRENCY CURRENT CURSOR " +
  48. "DATA DATE DATE-COMPILED DATE-WRITTEN DAY " +
  49. "DAY-OF-WEEK DB DB-ACCESS-CONTROL-KEY DB-DATA-NAME DB-EXCEPTION " +
  50. "DB-FORMAT-NAME DB-RECORD-NAME DB-SET-NAME DB-STATUS DBCS " +
  51. "DBCS-EDITED DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE " +
  52. "DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING " +
  53. "DECIMAL-POINT DECLARATIVES DEFAULT DELETE DELIMITED " +
  54. "DELIMITER DEPENDING DESCENDING DESCRIBED DESTINATION " +
  55. "DETAIL DISABLE DISCONNECT DISPLAY DISPLAY-1 " +
  56. "DISPLAY-2 DISPLAY-3 DISPLAY-4 DISPLAY-5 DISPLAY-6 " +
  57. "DISPLAY-7 DISPLAY-8 DISPLAY-9 DIVIDE DIVISION " +
  58. "DOWN DROP DUPLICATE DUPLICATES DYNAMIC " +
  59. "EBCDIC EGI EJECT ELSE EMI " +
  60. "EMPTY EMPTY-CHECK ENABLE END END. END-ACCEPT END-ACCEPT. " +
  61. "END-ADD END-CALL END-COMPUTE END-DELETE END-DISPLAY " +
  62. "END-DIVIDE END-EVALUATE END-IF END-INVOKE END-MULTIPLY " +
  63. "END-OF-PAGE END-PERFORM END-READ END-RECEIVE END-RETURN " +
  64. "END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT " +
  65. "END-UNSTRING END-WRITE END-XML ENTER ENTRY " +
  66. "ENVIRONMENT EOP EQUAL EQUALS ERASE " +
  67. "ERROR ESI EVALUATE EVERY EXCEEDS " +
  68. "EXCEPTION EXCLUSIVE EXIT EXTEND EXTERNAL " +
  69. "EXTERNALLY-DESCRIBED-KEY FD FETCH FILE FILE-CONTROL " +
  70. "FILE-STREAM FILES FILLER FINAL FIND " +
  71. "FINISH FIRST FOOTING FOR FOREGROUND-COLOR " +
  72. "FOREGROUND-COLOUR FORMAT FREE FROM FULL " +
  73. "FUNCTION GENERATE GET GIVING GLOBAL " +
  74. "GO GOBACK GREATER GROUP HEADING " +
  75. "HIGH-VALUE HIGH-VALUES HIGHLIGHT I-O I-O-CONTROL " +
  76. "ID IDENTIFICATION IF IN INDEX " +
  77. "INDEX-1 INDEX-2 INDEX-3 INDEX-4 INDEX-5 " +
  78. "INDEX-6 INDEX-7 INDEX-8 INDEX-9 INDEXED " +
  79. "INDIC INDICATE INDICATOR INDICATORS INITIAL " +
  80. "INITIALIZE INITIATE INPUT INPUT-OUTPUT INSPECT " +
  81. "INSTALLATION INTO INVALID INVOKE IS " +
  82. "JUST JUSTIFIED KANJI KEEP KEY " +
  83. "LABEL LAST LD LEADING LEFT " +
  84. "LEFT-JUSTIFY LENGTH LENGTH-CHECK LESS LIBRARY " +
  85. "LIKE LIMIT LIMITS LINAGE LINAGE-COUNTER " +
  86. "LINE LINE-COUNTER LINES LINKAGE LOCAL-STORAGE " +
  87. "LOCALE LOCALLY LOCK " +
  88. "MEMBER MEMORY MERGE MESSAGE METACLASS " +
  89. "MODE MODIFIED MODIFY MODULES MOVE " +
  90. "MULTIPLE MULTIPLY NATIONAL NATIVE NEGATIVE " +
  91. "NEXT NO NO-ECHO NONE NOT " +
  92. "NULL NULL-KEY-MAP NULL-MAP NULLS NUMBER " +
  93. "NUMERIC NUMERIC-EDITED OBJECT OBJECT-COMPUTER OCCURS " +
  94. "OF OFF OMITTED ON ONLY " +
  95. "OPEN OPTIONAL OR ORDER ORGANIZATION " +
  96. "OTHER OUTPUT OVERFLOW OWNER PACKED-DECIMAL " +
  97. "PADDING PAGE PAGE-COUNTER PARSE PERFORM " +
  98. "PF PH PIC PICTURE PLUS " +
  99. "POINTER POSITION POSITIVE PREFIX PRESENT " +
  100. "PRINTING PRIOR PROCEDURE PROCEDURE-POINTER PROCEDURES " +
  101. "PROCEED PROCESS PROCESSING PROGRAM PROGRAM-ID " +
  102. "PROMPT PROTECTED PURGE QUEUE QUOTE " +
  103. "QUOTES RANDOM RD READ READY " +
  104. "REALM RECEIVE RECONNECT RECORD RECORD-NAME " +
  105. "RECORDS RECURSIVE REDEFINES REEL REFERENCE " +
  106. "REFERENCE-MONITOR REFERENCES RELATION RELATIVE RELEASE " +
  107. "REMAINDER REMOVAL RENAMES REPEATED REPLACE " +
  108. "REPLACING REPORT REPORTING REPORTS REPOSITORY " +
  109. "REQUIRED RERUN RESERVE RESET RETAINING " +
  110. "RETRIEVAL RETURN RETURN-CODE RETURNING REVERSE-VIDEO " +
  111. "REVERSED REWIND REWRITE RF RH " +
  112. "RIGHT RIGHT-JUSTIFY ROLLBACK ROLLING ROUNDED " +
  113. "RUN SAME SCREEN SD SEARCH " +
  114. "SECTION SECURE SECURITY SEGMENT SEGMENT-LIMIT " +
  115. "SELECT SEND SENTENCE SEPARATE SEQUENCE " +
  116. "SEQUENTIAL SET SHARED SIGN SIZE " +
  117. "SKIP1 SKIP2 SKIP3 SORT SORT-MERGE " +
  118. "SORT-RETURN SOURCE SOURCE-COMPUTER SPACE-FILL " +
  119. "SPECIAL-NAMES STANDARD STANDARD-1 STANDARD-2 " +
  120. "START STARTING STATUS STOP STORE " +
  121. "STRING SUB-QUEUE-1 SUB-QUEUE-2 SUB-QUEUE-3 SUB-SCHEMA " +
  122. "SUBFILE SUBSTITUTE SUBTRACT SUM SUPPRESS " +
  123. "SYMBOLIC SYNC SYNCHRONIZED SYSIN SYSOUT " +
  124. "TABLE TALLYING TAPE TENANT TERMINAL " +
  125. "TERMINATE TEST TEXT THAN THEN " +
  126. "THROUGH THRU TIME TIMES TITLE " +
  127. "TO TOP TRAILING TRAILING-SIGN TRANSACTION " +
  128. "TYPE TYPEDEF UNDERLINE UNEQUAL UNIT " +
  129. "UNSTRING UNTIL UP UPDATE UPON " +
  130. "USAGE USAGE-MODE USE USING VALID " +
  131. "VALIDATE VALUE VALUES VARYING VLR " +
  132. "WAIT WHEN WHEN-COMPILED WITH WITHIN " +
  133. "WORDS WORKING-STORAGE WRITE XML XML-CODE " +
  134. "XML-EVENT XML-NTEXT XML-TEXT ZERO ZERO-FILL " );
  135. var builtins = makeKeywords("- * ** / + < <= = > >= ");
  136. var tests = {
  137. digit: /\d/,
  138. digit_or_colon: /[\d:]/,
  139. hex: /[0-9a-f]/i,
  140. sign: /[+-]/,
  141. exponent: /e/i,
  142. keyword_char: /[^\s\(\[\;\)\]]/,
  143. symbol: /[\w*+\-]/
  144. };
  145. function isNumber(ch, stream){
  146. // hex
  147. if ( ch === '0' && stream.eat(/x/i) ) {
  148. stream.eatWhile(tests.hex);
  149. return true;
  150. }
  151. // leading sign
  152. if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
  153. stream.eat(tests.sign);
  154. ch = stream.next();
  155. }
  156. if ( tests.digit.test(ch) ) {
  157. stream.eat(ch);
  158. stream.eatWhile(tests.digit);
  159. if ( '.' == stream.peek()) {
  160. stream.eat('.');
  161. stream.eatWhile(tests.digit);
  162. }
  163. if ( stream.eat(tests.exponent) ) {
  164. stream.eat(tests.sign);
  165. stream.eatWhile(tests.digit);
  166. }
  167. return true;
  168. }
  169. return false;
  170. }
  171. return {
  172. startState: function () {
  173. return {
  174. indentStack: null,
  175. indentation: 0,
  176. mode: false
  177. };
  178. },
  179. token: function (stream, state) {
  180. if (state.indentStack == null && stream.sol()) {
  181. // update indentation, but only if indentStack is empty
  182. state.indentation = 6 ; //stream.indentation();
  183. }
  184. // skip spaces
  185. if (stream.eatSpace()) {
  186. return null;
  187. }
  188. var returnType = null;
  189. switch(state.mode){
  190. case "string": // multi-line string parsing mode
  191. var next = false;
  192. while ((next = stream.next()) != null) {
  193. if (next == "\"" || next == "\'") {
  194. state.mode = false;
  195. break;
  196. }
  197. }
  198. returnType = STRING; // continue on in string mode
  199. break;
  200. default: // default parsing mode
  201. var ch = stream.next();
  202. var col = stream.column();
  203. if (col >= 0 && col <= 5) {
  204. returnType = COBOLLINENUM;
  205. } else if (col >= 72 && col <= 79) {
  206. stream.skipToEnd();
  207. returnType = MODTAG;
  208. } else if (ch == "*" && col == 6) { // comment
  209. stream.skipToEnd(); // rest of the line is a comment
  210. returnType = COMMENT;
  211. } else if (ch == "\"" || ch == "\'") {
  212. state.mode = "string";
  213. returnType = STRING;
  214. } else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
  215. returnType = ATOM;
  216. } else if (ch == ".") {
  217. returnType = PERIOD;
  218. } else if (isNumber(ch,stream)){
  219. returnType = NUMBER;
  220. } else {
  221. if (stream.current().match(tests.symbol)) {
  222. while (col < 71) {
  223. if (stream.eat(tests.symbol) === undefined) {
  224. break;
  225. } else {
  226. col++;
  227. }
  228. }
  229. }
  230. if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
  231. returnType = KEYWORD;
  232. } else if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase())) {
  233. returnType = BUILTIN;
  234. } else if (atoms && atoms.propertyIsEnumerable(stream.current().toUpperCase())) {
  235. returnType = ATOM;
  236. } else returnType = null;
  237. }
  238. }
  239. return returnType;
  240. },
  241. indent: function (state) {
  242. if (state.indentStack == null) return state.indentation;
  243. return state.indentStack.indent;
  244. }
  245. };
  246. });
  247. CodeMirror.defineMIME("text/x-cobol", "cobol");
  248. });