##// END OF EJS Templates
diffs: use whole chunk diff to calculate if it's oversized or not....
diffs: use whole chunk diff to calculate if it's oversized or not. - This fixes an issue if a file is added that has very large number of small lines. In this case the time to detect if the diff should be limited was very very long and CPU intensive.

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cobol.js
255 lines | 10.0 KiB | application/javascript | JavascriptLexer
// 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");
});