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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 /**
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5 * Author: Gautam Mehta
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6 * Branched from CodeMirror's Scheme mode
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7 */
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8 (function(mod) {
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9 if (typeof exports == "object" && typeof module == "object") // CommonJS
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10 mod(require("../../lib/codemirror"));
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11 else if (typeof define == "function" && define.amd) // AMD
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12 define(["../../lib/codemirror"], mod);
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13 else // Plain browser env
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14 mod(CodeMirror);
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15 })(function(CodeMirror) {
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16 "use strict";
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17
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18 CodeMirror.defineMode("cobol", function () {
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19 var BUILTIN = "builtin", COMMENT = "comment", STRING = "string",
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20 ATOM = "atom", NUMBER = "number", KEYWORD = "keyword", MODTAG = "header",
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21 COBOLLINENUM = "def", PERIOD = "link";
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22 function makeKeywords(str) {
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23 var obj = {}, words = str.split(" ");
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24 for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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25 return obj;
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26 }
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27 var atoms = makeKeywords("TRUE FALSE ZEROES ZEROS ZERO SPACES SPACE LOW-VALUE LOW-VALUES ");
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28 var keywords = makeKeywords(
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29 "ACCEPT ACCESS ACQUIRE ADD ADDRESS " +
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30 "ADVANCING AFTER ALIAS ALL ALPHABET " +
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31 "ALPHABETIC ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED " +
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32 "ALSO ALTER ALTERNATE AND ANY " +
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33 "ARE AREA AREAS ARITHMETIC ASCENDING " +
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34 "ASSIGN AT ATTRIBUTE AUTHOR AUTO " +
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35 "AUTO-SKIP AUTOMATIC B-AND B-EXOR B-LESS " +
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36 "B-NOT B-OR BACKGROUND-COLOR BACKGROUND-COLOUR BEEP " +
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37 "BEFORE BELL BINARY BIT BITS " +
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38 "BLANK BLINK BLOCK BOOLEAN BOTTOM " +
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39 "BY CALL CANCEL CD CF " +
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40 "CH CHARACTER CHARACTERS CLASS CLOCK-UNITS " +
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41 "CLOSE COBOL CODE CODE-SET COL " +
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42 "COLLATING COLUMN COMMA COMMIT COMMITMENT " +
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43 "COMMON COMMUNICATION COMP COMP-0 COMP-1 " +
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44 "COMP-2 COMP-3 COMP-4 COMP-5 COMP-6 " +
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45 "COMP-7 COMP-8 COMP-9 COMPUTATIONAL COMPUTATIONAL-0 " +
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46 "COMPUTATIONAL-1 COMPUTATIONAL-2 COMPUTATIONAL-3 COMPUTATIONAL-4 COMPUTATIONAL-5 " +
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47 "COMPUTATIONAL-6 COMPUTATIONAL-7 COMPUTATIONAL-8 COMPUTATIONAL-9 COMPUTE " +
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48 "CONFIGURATION CONNECT CONSOLE CONTAINED CONTAINS " +
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49 "CONTENT CONTINUE CONTROL CONTROL-AREA CONTROLS " +
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50 "CONVERTING COPY CORR CORRESPONDING COUNT " +
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51 "CRT CRT-UNDER CURRENCY CURRENT CURSOR " +
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52 "DATA DATE DATE-COMPILED DATE-WRITTEN DAY " +
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53 "DAY-OF-WEEK DB DB-ACCESS-CONTROL-KEY DB-DATA-NAME DB-EXCEPTION " +
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54 "DB-FORMAT-NAME DB-RECORD-NAME DB-SET-NAME DB-STATUS DBCS " +
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55 "DBCS-EDITED DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE " +
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56 "DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING " +
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57 "DECIMAL-POINT DECLARATIVES DEFAULT DELETE DELIMITED " +
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58 "DELIMITER DEPENDING DESCENDING DESCRIBED DESTINATION " +
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59 "DETAIL DISABLE DISCONNECT DISPLAY DISPLAY-1 " +
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60 "DISPLAY-2 DISPLAY-3 DISPLAY-4 DISPLAY-5 DISPLAY-6 " +
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61 "DISPLAY-7 DISPLAY-8 DISPLAY-9 DIVIDE DIVISION " +
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62 "DOWN DROP DUPLICATE DUPLICATES DYNAMIC " +
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63 "EBCDIC EGI EJECT ELSE EMI " +
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64 "EMPTY EMPTY-CHECK ENABLE END END. END-ACCEPT END-ACCEPT. " +
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65 "END-ADD END-CALL END-COMPUTE END-DELETE END-DISPLAY " +
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66 "END-DIVIDE END-EVALUATE END-IF END-INVOKE END-MULTIPLY " +
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67 "END-OF-PAGE END-PERFORM END-READ END-RECEIVE END-RETURN " +
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68 "END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT " +
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69 "END-UNSTRING END-WRITE END-XML ENTER ENTRY " +
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70 "ENVIRONMENT EOP EQUAL EQUALS ERASE " +
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71 "ERROR ESI EVALUATE EVERY EXCEEDS " +
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72 "EXCEPTION EXCLUSIVE EXIT EXTEND EXTERNAL " +
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73 "EXTERNALLY-DESCRIBED-KEY FD FETCH FILE FILE-CONTROL " +
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74 "FILE-STREAM FILES FILLER FINAL FIND " +
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75 "FINISH FIRST FOOTING FOR FOREGROUND-COLOR " +
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76 "FOREGROUND-COLOUR FORMAT FREE FROM FULL " +
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77 "FUNCTION GENERATE GET GIVING GLOBAL " +
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78 "GO GOBACK GREATER GROUP HEADING " +
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79 "HIGH-VALUE HIGH-VALUES HIGHLIGHT I-O I-O-CONTROL " +
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80 "ID IDENTIFICATION IF IN INDEX " +
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81 "INDEX-1 INDEX-2 INDEX-3 INDEX-4 INDEX-5 " +
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82 "INDEX-6 INDEX-7 INDEX-8 INDEX-9 INDEXED " +
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83 "INDIC INDICATE INDICATOR INDICATORS INITIAL " +
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84 "INITIALIZE INITIATE INPUT INPUT-OUTPUT INSPECT " +
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85 "INSTALLATION INTO INVALID INVOKE IS " +
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86 "JUST JUSTIFIED KANJI KEEP KEY " +
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87 "LABEL LAST LD LEADING LEFT " +
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88 "LEFT-JUSTIFY LENGTH LENGTH-CHECK LESS LIBRARY " +
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89 "LIKE LIMIT LIMITS LINAGE LINAGE-COUNTER " +
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90 "LINE LINE-COUNTER LINES LINKAGE LOCAL-STORAGE " +
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91 "LOCALE LOCALLY LOCK " +
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92 "MEMBER MEMORY MERGE MESSAGE METACLASS " +
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93 "MODE MODIFIED MODIFY MODULES MOVE " +
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94 "MULTIPLE MULTIPLY NATIONAL NATIVE NEGATIVE " +
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95 "NEXT NO NO-ECHO NONE NOT " +
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96 "NULL NULL-KEY-MAP NULL-MAP NULLS NUMBER " +
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97 "NUMERIC NUMERIC-EDITED OBJECT OBJECT-COMPUTER OCCURS " +
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98 "OF OFF OMITTED ON ONLY " +
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99 "OPEN OPTIONAL OR ORDER ORGANIZATION " +
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100 "OTHER OUTPUT OVERFLOW OWNER PACKED-DECIMAL " +
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101 "PADDING PAGE PAGE-COUNTER PARSE PERFORM " +
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102 "PF PH PIC PICTURE PLUS " +
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103 "POINTER POSITION POSITIVE PREFIX PRESENT " +
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104 "PRINTING PRIOR PROCEDURE PROCEDURE-POINTER PROCEDURES " +
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105 "PROCEED PROCESS PROCESSING PROGRAM PROGRAM-ID " +
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106 "PROMPT PROTECTED PURGE QUEUE QUOTE " +
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107 "QUOTES RANDOM RD READ READY " +
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108 "REALM RECEIVE RECONNECT RECORD RECORD-NAME " +
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109 "RECORDS RECURSIVE REDEFINES REEL REFERENCE " +
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110 "REFERENCE-MONITOR REFERENCES RELATION RELATIVE RELEASE " +
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111 "REMAINDER REMOVAL RENAMES REPEATED REPLACE " +
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112 "REPLACING REPORT REPORTING REPORTS REPOSITORY " +
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113 "REQUIRED RERUN RESERVE RESET RETAINING " +
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114 "RETRIEVAL RETURN RETURN-CODE RETURNING REVERSE-VIDEO " +
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115 "REVERSED REWIND REWRITE RF RH " +
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116 "RIGHT RIGHT-JUSTIFY ROLLBACK ROLLING ROUNDED " +
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117 "RUN SAME SCREEN SD SEARCH " +
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118 "SECTION SECURE SECURITY SEGMENT SEGMENT-LIMIT " +
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119 "SELECT SEND SENTENCE SEPARATE SEQUENCE " +
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120 "SEQUENTIAL SET SHARED SIGN SIZE " +
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121 "SKIP1 SKIP2 SKIP3 SORT SORT-MERGE " +
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122 "SORT-RETURN SOURCE SOURCE-COMPUTER SPACE-FILL " +
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123 "SPECIAL-NAMES STANDARD STANDARD-1 STANDARD-2 " +
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124 "START STARTING STATUS STOP STORE " +
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125 "STRING SUB-QUEUE-1 SUB-QUEUE-2 SUB-QUEUE-3 SUB-SCHEMA " +
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126 "SUBFILE SUBSTITUTE SUBTRACT SUM SUPPRESS " +
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127 "SYMBOLIC SYNC SYNCHRONIZED SYSIN SYSOUT " +
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128 "TABLE TALLYING TAPE TENANT TERMINAL " +
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129 "TERMINATE TEST TEXT THAN THEN " +
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130 "THROUGH THRU TIME TIMES TITLE " +
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131 "TO TOP TRAILING TRAILING-SIGN TRANSACTION " +
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132 "TYPE TYPEDEF UNDERLINE UNEQUAL UNIT " +
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133 "UNSTRING UNTIL UP UPDATE UPON " +
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134 "USAGE USAGE-MODE USE USING VALID " +
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135 "VALIDATE VALUE VALUES VARYING VLR " +
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136 "WAIT WHEN WHEN-COMPILED WITH WITHIN " +
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137 "WORDS WORKING-STORAGE WRITE XML XML-CODE " +
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138 "XML-EVENT XML-NTEXT XML-TEXT ZERO ZERO-FILL " );
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139
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140 var builtins = makeKeywords("- * ** / + < <= = > >= ");
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141 var tests = {
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142 digit: /\d/,
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143 digit_or_colon: /[\d:]/,
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144 hex: /[0-9a-f]/i,
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145 sign: /[+-]/,
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146 exponent: /e/i,
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147 keyword_char: /[^\s\(\[\;\)\]]/,
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148 symbol: /[\w*+\-]/
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149 };
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150 function isNumber(ch, stream){
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151 // hex
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152 if ( ch === '0' && stream.eat(/x/i) ) {
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153 stream.eatWhile(tests.hex);
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154 return true;
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155 }
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156 // leading sign
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157 if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) {
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158 stream.eat(tests.sign);
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159 ch = stream.next();
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160 }
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161 if ( tests.digit.test(ch) ) {
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162 stream.eat(ch);
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163 stream.eatWhile(tests.digit);
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164 if ( '.' == stream.peek()) {
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165 stream.eat('.');
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166 stream.eatWhile(tests.digit);
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167 }
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168 if ( stream.eat(tests.exponent) ) {
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169 stream.eat(tests.sign);
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170 stream.eatWhile(tests.digit);
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171 }
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172 return true;
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173 }
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174 return false;
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175 }
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176 return {
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177 startState: function () {
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178 return {
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179 indentStack: null,
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180 indentation: 0,
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181 mode: false
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182 };
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183 },
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184 token: function (stream, state) {
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185 if (state.indentStack == null && stream.sol()) {
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186 // update indentation, but only if indentStack is empty
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187 state.indentation = 6 ; //stream.indentation();
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188 }
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189 // skip spaces
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190 if (stream.eatSpace()) {
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191 return null;
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192 }
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193 var returnType = null;
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194 switch(state.mode){
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195 case "string": // multi-line string parsing mode
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196 var next = false;
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197 while ((next = stream.next()) != null) {
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198 if ((next == "\"" || next == "\'") && !stream.match(/['"]/, false)) {
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199 state.mode = false;
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200 break;
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201 }
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202 }
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203 returnType = STRING; // continue on in string mode
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204 break;
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205 default: // default parsing mode
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206 var ch = stream.next();
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207 var col = stream.column();
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208 if (col >= 0 && col <= 5) {
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209 returnType = COBOLLINENUM;
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210 } else if (col >= 72 && col <= 79) {
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211 stream.skipToEnd();
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212 returnType = MODTAG;
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213 } else if (ch == "*" && col == 6) { // comment
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214 stream.skipToEnd(); // rest of the line is a comment
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215 returnType = COMMENT;
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216 } else if (ch == "\"" || ch == "\'") {
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217 state.mode = "string";
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218 returnType = STRING;
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219 } else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) {
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220 returnType = ATOM;
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221 } else if (ch == ".") {
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222 returnType = PERIOD;
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223 } else if (isNumber(ch,stream)){
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224 returnType = NUMBER;
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225 } else {
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226 if (stream.current().match(tests.symbol)) {
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227 while (col < 71) {
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228 if (stream.eat(tests.symbol) === undefined) {
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229 break;
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230 } else {
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231 col++;
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232 }
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233 }
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234 }
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235 if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) {
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236 returnType = KEYWORD;
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237 } else if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase())) {
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238 returnType = BUILTIN;
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239 } else if (atoms && atoms.propertyIsEnumerable(stream.current().toUpperCase())) {
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240 returnType = ATOM;
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241 } else returnType = null;
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242 }
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243 }
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244 return returnType;
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245 },
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246 indent: function (state) {
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247 if (state.indentStack == null) return state.indentation;
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248 return state.indentStack.indent;
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249 }
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250 };
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251 });
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252
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253 CodeMirror.defineMIME("text/x-cobol", "cobol");
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254
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255 });
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