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cobol.js
255 lines
| 10.0 KiB
| application/javascript
|
JavascriptLexer
r1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | |||
// Distributed under an MIT license: http://codemirror.net/LICENSE | ||||
/** | ||||
* Author: Gautam Mehta | ||||
* Branched from CodeMirror's Scheme mode | ||||
*/ | ||||
(function(mod) { | ||||
if (typeof exports == "object" && typeof module == "object") // CommonJS | ||||
mod(require("../../lib/codemirror")); | ||||
else if (typeof define == "function" && define.amd) // AMD | ||||
define(["../../lib/codemirror"], mod); | ||||
else // Plain browser env | ||||
mod(CodeMirror); | ||||
})(function(CodeMirror) { | ||||
"use strict"; | ||||
CodeMirror.defineMode("cobol", function () { | ||||
var BUILTIN = "builtin", COMMENT = "comment", STRING = "string", | ||||
ATOM = "atom", NUMBER = "number", KEYWORD = "keyword", MODTAG = "header", | ||||
COBOLLINENUM = "def", PERIOD = "link"; | ||||
function makeKeywords(str) { | ||||
var obj = {}, words = str.split(" "); | ||||
for (var i = 0; i < words.length; ++i) obj[words[i]] = true; | ||||
return obj; | ||||
} | ||||
var atoms = makeKeywords("TRUE FALSE ZEROES ZEROS ZERO SPACES SPACE LOW-VALUE LOW-VALUES "); | ||||
var keywords = makeKeywords( | ||||
"ACCEPT ACCESS ACQUIRE ADD ADDRESS " + | ||||
"ADVANCING AFTER ALIAS ALL ALPHABET " + | ||||
"ALPHABETIC ALPHABETIC-LOWER ALPHABETIC-UPPER ALPHANUMERIC ALPHANUMERIC-EDITED " + | ||||
"ALSO ALTER ALTERNATE AND ANY " + | ||||
"ARE AREA AREAS ARITHMETIC ASCENDING " + | ||||
"ASSIGN AT ATTRIBUTE AUTHOR AUTO " + | ||||
"AUTO-SKIP AUTOMATIC B-AND B-EXOR B-LESS " + | ||||
"B-NOT B-OR BACKGROUND-COLOR BACKGROUND-COLOUR BEEP " + | ||||
"BEFORE BELL BINARY BIT BITS " + | ||||
"BLANK BLINK BLOCK BOOLEAN BOTTOM " + | ||||
"BY CALL CANCEL CD CF " + | ||||
"CH CHARACTER CHARACTERS CLASS CLOCK-UNITS " + | ||||
"CLOSE COBOL CODE CODE-SET COL " + | ||||
"COLLATING COLUMN COMMA COMMIT COMMITMENT " + | ||||
"COMMON COMMUNICATION COMP COMP-0 COMP-1 " + | ||||
"COMP-2 COMP-3 COMP-4 COMP-5 COMP-6 " + | ||||
"COMP-7 COMP-8 COMP-9 COMPUTATIONAL COMPUTATIONAL-0 " + | ||||
"COMPUTATIONAL-1 COMPUTATIONAL-2 COMPUTATIONAL-3 COMPUTATIONAL-4 COMPUTATIONAL-5 " + | ||||
"COMPUTATIONAL-6 COMPUTATIONAL-7 COMPUTATIONAL-8 COMPUTATIONAL-9 COMPUTE " + | ||||
"CONFIGURATION CONNECT CONSOLE CONTAINED CONTAINS " + | ||||
"CONTENT CONTINUE CONTROL CONTROL-AREA CONTROLS " + | ||||
"CONVERTING COPY CORR CORRESPONDING COUNT " + | ||||
"CRT CRT-UNDER CURRENCY CURRENT CURSOR " + | ||||
"DATA DATE DATE-COMPILED DATE-WRITTEN DAY " + | ||||
"DAY-OF-WEEK DB DB-ACCESS-CONTROL-KEY DB-DATA-NAME DB-EXCEPTION " + | ||||
"DB-FORMAT-NAME DB-RECORD-NAME DB-SET-NAME DB-STATUS DBCS " + | ||||
"DBCS-EDITED DE DEBUG-CONTENTS DEBUG-ITEM DEBUG-LINE " + | ||||
"DEBUG-NAME DEBUG-SUB-1 DEBUG-SUB-2 DEBUG-SUB-3 DEBUGGING " + | ||||
"DECIMAL-POINT DECLARATIVES DEFAULT DELETE DELIMITED " + | ||||
"DELIMITER DEPENDING DESCENDING DESCRIBED DESTINATION " + | ||||
"DETAIL DISABLE DISCONNECT DISPLAY DISPLAY-1 " + | ||||
"DISPLAY-2 DISPLAY-3 DISPLAY-4 DISPLAY-5 DISPLAY-6 " + | ||||
"DISPLAY-7 DISPLAY-8 DISPLAY-9 DIVIDE DIVISION " + | ||||
"DOWN DROP DUPLICATE DUPLICATES DYNAMIC " + | ||||
"EBCDIC EGI EJECT ELSE EMI " + | ||||
"EMPTY EMPTY-CHECK ENABLE END END. END-ACCEPT END-ACCEPT. " + | ||||
"END-ADD END-CALL END-COMPUTE END-DELETE END-DISPLAY " + | ||||
"END-DIVIDE END-EVALUATE END-IF END-INVOKE END-MULTIPLY " + | ||||
"END-OF-PAGE END-PERFORM END-READ END-RECEIVE END-RETURN " + | ||||
"END-REWRITE END-SEARCH END-START END-STRING END-SUBTRACT " + | ||||
"END-UNSTRING END-WRITE END-XML ENTER ENTRY " + | ||||
"ENVIRONMENT EOP EQUAL EQUALS ERASE " + | ||||
"ERROR ESI EVALUATE EVERY EXCEEDS " + | ||||
"EXCEPTION EXCLUSIVE EXIT EXTEND EXTERNAL " + | ||||
"EXTERNALLY-DESCRIBED-KEY FD FETCH FILE FILE-CONTROL " + | ||||
"FILE-STREAM FILES FILLER FINAL FIND " + | ||||
"FINISH FIRST FOOTING FOR FOREGROUND-COLOR " + | ||||
"FOREGROUND-COLOUR FORMAT FREE FROM FULL " + | ||||
"FUNCTION GENERATE GET GIVING GLOBAL " + | ||||
"GO GOBACK GREATER GROUP HEADING " + | ||||
"HIGH-VALUE HIGH-VALUES HIGHLIGHT I-O I-O-CONTROL " + | ||||
"ID IDENTIFICATION IF IN INDEX " + | ||||
"INDEX-1 INDEX-2 INDEX-3 INDEX-4 INDEX-5 " + | ||||
"INDEX-6 INDEX-7 INDEX-8 INDEX-9 INDEXED " + | ||||
"INDIC INDICATE INDICATOR INDICATORS INITIAL " + | ||||
"INITIALIZE INITIATE INPUT INPUT-OUTPUT INSPECT " + | ||||
"INSTALLATION INTO INVALID INVOKE IS " + | ||||
"JUST JUSTIFIED KANJI KEEP KEY " + | ||||
"LABEL LAST LD LEADING LEFT " + | ||||
"LEFT-JUSTIFY LENGTH LENGTH-CHECK LESS LIBRARY " + | ||||
"LIKE LIMIT LIMITS LINAGE LINAGE-COUNTER " + | ||||
"LINE LINE-COUNTER LINES LINKAGE LOCAL-STORAGE " + | ||||
"LOCALE LOCALLY LOCK " + | ||||
"MEMBER MEMORY MERGE MESSAGE METACLASS " + | ||||
"MODE MODIFIED MODIFY MODULES MOVE " + | ||||
"MULTIPLE MULTIPLY NATIONAL NATIVE NEGATIVE " + | ||||
"NEXT NO NO-ECHO NONE NOT " + | ||||
"NULL NULL-KEY-MAP NULL-MAP NULLS NUMBER " + | ||||
"NUMERIC NUMERIC-EDITED OBJECT OBJECT-COMPUTER OCCURS " + | ||||
"OF OFF OMITTED ON ONLY " + | ||||
"OPEN OPTIONAL OR ORDER ORGANIZATION " + | ||||
"OTHER OUTPUT OVERFLOW OWNER PACKED-DECIMAL " + | ||||
"PADDING PAGE PAGE-COUNTER PARSE PERFORM " + | ||||
"PF PH PIC PICTURE PLUS " + | ||||
"POINTER POSITION POSITIVE PREFIX PRESENT " + | ||||
"PRINTING PRIOR PROCEDURE PROCEDURE-POINTER PROCEDURES " + | ||||
"PROCEED PROCESS PROCESSING PROGRAM PROGRAM-ID " + | ||||
"PROMPT PROTECTED PURGE QUEUE QUOTE " + | ||||
"QUOTES RANDOM RD READ READY " + | ||||
"REALM RECEIVE RECONNECT RECORD RECORD-NAME " + | ||||
"RECORDS RECURSIVE REDEFINES REEL REFERENCE " + | ||||
"REFERENCE-MONITOR REFERENCES RELATION RELATIVE RELEASE " + | ||||
"REMAINDER REMOVAL RENAMES REPEATED REPLACE " + | ||||
"REPLACING REPORT REPORTING REPORTS REPOSITORY " + | ||||
"REQUIRED RERUN RESERVE RESET RETAINING " + | ||||
"RETRIEVAL RETURN RETURN-CODE RETURNING REVERSE-VIDEO " + | ||||
"REVERSED REWIND REWRITE RF RH " + | ||||
"RIGHT RIGHT-JUSTIFY ROLLBACK ROLLING ROUNDED " + | ||||
"RUN SAME SCREEN SD SEARCH " + | ||||
"SECTION SECURE SECURITY SEGMENT SEGMENT-LIMIT " + | ||||
"SELECT SEND SENTENCE SEPARATE SEQUENCE " + | ||||
"SEQUENTIAL SET SHARED SIGN SIZE " + | ||||
"SKIP1 SKIP2 SKIP3 SORT SORT-MERGE " + | ||||
"SORT-RETURN SOURCE SOURCE-COMPUTER SPACE-FILL " + | ||||
"SPECIAL-NAMES STANDARD STANDARD-1 STANDARD-2 " + | ||||
"START STARTING STATUS STOP STORE " + | ||||
"STRING SUB-QUEUE-1 SUB-QUEUE-2 SUB-QUEUE-3 SUB-SCHEMA " + | ||||
"SUBFILE SUBSTITUTE SUBTRACT SUM SUPPRESS " + | ||||
"SYMBOLIC SYNC SYNCHRONIZED SYSIN SYSOUT " + | ||||
"TABLE TALLYING TAPE TENANT TERMINAL " + | ||||
"TERMINATE TEST TEXT THAN THEN " + | ||||
"THROUGH THRU TIME TIMES TITLE " + | ||||
"TO TOP TRAILING TRAILING-SIGN TRANSACTION " + | ||||
"TYPE TYPEDEF UNDERLINE UNEQUAL UNIT " + | ||||
"UNSTRING UNTIL UP UPDATE UPON " + | ||||
"USAGE USAGE-MODE USE USING VALID " + | ||||
"VALIDATE VALUE VALUES VARYING VLR " + | ||||
"WAIT WHEN WHEN-COMPILED WITH WITHIN " + | ||||
"WORDS WORKING-STORAGE WRITE XML XML-CODE " + | ||||
"XML-EVENT XML-NTEXT XML-TEXT ZERO ZERO-FILL " ); | ||||
var builtins = makeKeywords("- * ** / + < <= = > >= "); | ||||
var tests = { | ||||
digit: /\d/, | ||||
digit_or_colon: /[\d:]/, | ||||
hex: /[0-9a-f]/i, | ||||
sign: /[+-]/, | ||||
exponent: /e/i, | ||||
keyword_char: /[^\s\(\[\;\)\]]/, | ||||
symbol: /[\w*+\-]/ | ||||
}; | ||||
function isNumber(ch, stream){ | ||||
// hex | ||||
if ( ch === '0' && stream.eat(/x/i) ) { | ||||
stream.eatWhile(tests.hex); | ||||
return true; | ||||
} | ||||
// leading sign | ||||
if ( ( ch == '+' || ch == '-' ) && ( tests.digit.test(stream.peek()) ) ) { | ||||
stream.eat(tests.sign); | ||||
ch = stream.next(); | ||||
} | ||||
if ( tests.digit.test(ch) ) { | ||||
stream.eat(ch); | ||||
stream.eatWhile(tests.digit); | ||||
if ( '.' == stream.peek()) { | ||||
stream.eat('.'); | ||||
stream.eatWhile(tests.digit); | ||||
} | ||||
if ( stream.eat(tests.exponent) ) { | ||||
stream.eat(tests.sign); | ||||
stream.eatWhile(tests.digit); | ||||
} | ||||
return true; | ||||
} | ||||
return false; | ||||
} | ||||
return { | ||||
startState: function () { | ||||
return { | ||||
indentStack: null, | ||||
indentation: 0, | ||||
mode: false | ||||
}; | ||||
}, | ||||
token: function (stream, state) { | ||||
if (state.indentStack == null && stream.sol()) { | ||||
// update indentation, but only if indentStack is empty | ||||
state.indentation = 6 ; //stream.indentation(); | ||||
} | ||||
// skip spaces | ||||
if (stream.eatSpace()) { | ||||
return null; | ||||
} | ||||
var returnType = null; | ||||
switch(state.mode){ | ||||
case "string": // multi-line string parsing mode | ||||
var next = false; | ||||
while ((next = stream.next()) != null) { | ||||
if (next == "\"" || next == "\'") { | ||||
state.mode = false; | ||||
break; | ||||
} | ||||
} | ||||
returnType = STRING; // continue on in string mode | ||||
break; | ||||
default: // default parsing mode | ||||
var ch = stream.next(); | ||||
var col = stream.column(); | ||||
if (col >= 0 && col <= 5) { | ||||
returnType = COBOLLINENUM; | ||||
} else if (col >= 72 && col <= 79) { | ||||
stream.skipToEnd(); | ||||
returnType = MODTAG; | ||||
} else if (ch == "*" && col == 6) { // comment | ||||
stream.skipToEnd(); // rest of the line is a comment | ||||
returnType = COMMENT; | ||||
} else if (ch == "\"" || ch == "\'") { | ||||
state.mode = "string"; | ||||
returnType = STRING; | ||||
} else if (ch == "'" && !( tests.digit_or_colon.test(stream.peek()) )) { | ||||
returnType = ATOM; | ||||
} else if (ch == ".") { | ||||
returnType = PERIOD; | ||||
} else if (isNumber(ch,stream)){ | ||||
returnType = NUMBER; | ||||
} else { | ||||
if (stream.current().match(tests.symbol)) { | ||||
while (col < 71) { | ||||
if (stream.eat(tests.symbol) === undefined) { | ||||
break; | ||||
} else { | ||||
col++; | ||||
} | ||||
} | ||||
} | ||||
if (keywords && keywords.propertyIsEnumerable(stream.current().toUpperCase())) { | ||||
returnType = KEYWORD; | ||||
} else if (builtins && builtins.propertyIsEnumerable(stream.current().toUpperCase())) { | ||||
returnType = BUILTIN; | ||||
} else if (atoms && atoms.propertyIsEnumerable(stream.current().toUpperCase())) { | ||||
returnType = ATOM; | ||||
} else returnType = null; | ||||
} | ||||
} | ||||
return returnType; | ||||
}, | ||||
indent: function (state) { | ||||
if (state.indentStack == null) return state.indentation; | ||||
return state.indentStack.indent; | ||||
} | ||||
}; | ||||
}); | ||||
CodeMirror.defineMIME("text/x-cobol", "cobol"); | ||||
}); | ||||