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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
/*
This MUMPS Language script was constructed using vbscript.js as a template.
*/
(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("mumps", function() {
function wordRegexp(words) {
return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
}
var singleOperators = new RegExp("^[\\+\\-\\*/&#!_?\\\\<>=\\'\\[\\]]");
var doubleOperators = new RegExp("^(('=)|(<=)|(>=)|('>)|('<)|([[)|(]])|(^$))");
var singleDelimiters = new RegExp("^[\\.,:]");
var brackets = new RegExp("[()]");
var identifiers = new RegExp("^[%A-Za-z][A-Za-z0-9]*");
var commandKeywords = ["break","close","do","else","for","goto", "halt", "hang", "if", "job","kill","lock","merge","new","open", "quit", "read", "set", "tcommit", "trollback", "tstart", "use", "view", "write", "xecute", "b","c","d","e","f","g", "h", "i", "j","k","l","m","n","o", "q", "r", "s", "tc", "tro", "ts", "u", "v", "w", "x"];
// The following list includes instrinsic functions _and_ special variables
var intrinsicFuncsWords = ["\\$ascii", "\\$char", "\\$data", "\\$ecode", "\\$estack", "\\$etrap", "\\$extract", "\\$find", "\\$fnumber", "\\$get", "\\$horolog", "\\$io", "\\$increment", "\\$job", "\\$justify", "\\$length", "\\$name", "\\$next", "\\$order", "\\$piece", "\\$qlength", "\\$qsubscript", "\\$query", "\\$quit", "\\$random", "\\$reverse", "\\$select", "\\$stack", "\\$test", "\\$text", "\\$translate", "\\$view", "\\$x", "\\$y", "\\$a", "\\$c", "\\$d", "\\$e", "\\$ec", "\\$es", "\\$et", "\\$f", "\\$fn", "\\$g", "\\$h", "\\$i", "\\$j", "\\$l", "\\$n", "\\$na", "\\$o", "\\$p", "\\$q", "\\$ql", "\\$qs", "\\$r", "\\$re", "\\$s", "\\$st", "\\$t", "\\$tr", "\\$v", "\\$z"];
var intrinsicFuncs = wordRegexp(intrinsicFuncsWords);
var command = wordRegexp(commandKeywords);
function tokenBase(stream, state) {
if (stream.sol()) {
state.label = true;
state.commandMode = 0;
}
// The <space> character has meaning in MUMPS. Ignoring consecutive
// spaces would interfere with interpreting whether the next non-space
// character belongs to the command or argument context.
// Examine each character and update a mode variable whose interpretation is:
// >0 => command 0 => argument <0 => command post-conditional
var ch = stream.peek();
if (ch == " " || ch == "\t") { // Pre-process <space>
state.label = false;
if (state.commandMode == 0)
state.commandMode = 1;
else if ((state.commandMode < 0) || (state.commandMode == 2))
state.commandMode = 0;
} else if ((ch != ".") && (state.commandMode > 0)) {
if (ch == ":")
state.commandMode = -1; // SIS - Command post-conditional
else
state.commandMode = 2;
}
// Do not color parameter list as line tag
if ((ch === "(") || (ch === "\u0009"))
state.label = false;
// MUMPS comment starts with ";"
if (ch === ";") {
stream.skipToEnd();
return "comment";
}
// Number Literals // SIS/RLM - MUMPS permits canonic number followed by concatenate operator
if (stream.match(/^[-+]?\d+(\.\d+)?([eE][-+]?\d+)?/))
return "number";
// Handle Strings
if (ch == '"') {
if (stream.skipTo('"')) {
stream.next();
return "string";
} else {
stream.skipToEnd();
return "error";
}
}
// Handle operators and Delimiters
if (stream.match(doubleOperators) || stream.match(singleOperators))
return "operator";
// Prevents leading "." in DO block from falling through to error
if (stream.match(singleDelimiters))
return null;
if (brackets.test(ch)) {
stream.next();
return "bracket";
}
if (state.commandMode > 0 && stream.match(command))
return "variable-2";
if (stream.match(intrinsicFuncs))
return "builtin";
if (stream.match(identifiers))
return "variable";
// Detect dollar-sign when not a documented intrinsic function
// "^" may introduce a GVN or SSVN - Color same as function
if (ch === "$" || ch === "^") {
stream.next();
return "builtin";
}
// MUMPS Indirection
if (ch === "@") {
stream.next();
return "string-2";
}
if (/[\w%]/.test(ch)) {
stream.eatWhile(/[\w%]/);
return "variable";
}
// Handle non-detected items
stream.next();
return "error";
}
return {
startState: function() {
return {
label: false,
commandMode: 0
};
},
token: function(stream, state) {
var style = tokenBase(stream, state);
if (state.label) return "tag";
return style;
}
};
});
CodeMirror.defineMIME("text/x-mumps", "mumps");
});
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