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convert regexps with x flag to js form

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This commit is contained in:
nightwing 2012-09-11 10:39:32 +04:00
commit ce4912366f
2 changed files with 42 additions and 27 deletions
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31
tool/tmlanguage.js
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@ -82,6 +82,21 @@ function checkForLookBehind(str) {
return lookbehindRegExp.test(str) ? str + " // ERROR: This contains a lookbehind, which JS does not support :(" : str;
}
function removeXFlag(str) {
if (str.slice(0,4) == "(?x)") {
str = str.substr(4).replace(/\\[\s#]|\s+|(?:#[^\n]*)/g, function(s) {
return s[0] == "\\" ? s[1] : "";
});
}
return str;
}
function transformRegExp(str) {
str = removeXFlag(str);
str = checkForLookBehind(str);
return str;
}
function assembleStateObjs(strState, pattern) {
var patterns = pattern.patterns;
var stateObj = {};
@ -96,19 +111,19 @@ function assembleStateObjs(strState, pattern) {
}
else {
stateObj.token = patterns[p].name;
stateObj.regex = checkForLookBehind(patterns[p].match);
stateObj.regex = transformRegExp(patterns[p].match);
}
statesObj[strState].push(stateObj);
}
stateObj = {};
stateObj.token = "TODO";
stateObj.regex = checkForLookBehind(pattern.end);
stateObj.regex = transformRegExp(pattern.end);
stateObj.next = "start";
}
else {
stateObj.token = "TODO";
stateObj.regex = checkForLookBehind(pattern.end);
stateObj.regex = transformRegExp(pattern.end);
stateObj.next = "start";
statesObj[strState].push(stateObj);
@ -132,7 +147,7 @@ function extractPatterns(patterns) {
var stateObj = {};
if (pattern.comment) {
startState.start.push(" // " + pattern.comment);
startState.start.push(" // " + pattern.comment.trim());
}
// it needs a state transition
@ -162,7 +177,7 @@ function extractPatterns(patterns) {
statesObj[strState] = [ ];
statesObj[strState].push(assembleStateObjs(strState, pattern));
tokenObj.regex = checkForLookBehind(pattern.begin);
tokenObj.regex = transformRegExp(pattern.begin);
tokenObj.next = strState;
}
else if( ( pattern.begin || pattern.end ) && !( pattern.begin && pattern.end ) ) {
@ -172,12 +187,12 @@ function extractPatterns(patterns) {
else if (pattern.captures) {
tokenObj.token.push([]);
tokenObj.token.push(pattern.captures);
tokenObj.regex = checkForLookBehind(pattern.match);
tokenObj.regex = transformRegExp(pattern.match);
}
else if (pattern.match) {
tokenObj.token.push(pattern.name);
tokenObj.regex = checkForLookBehind(pattern.match);
tokenObj.regex = transformRegExp(pattern.match);
}
else if (pattern.include) {
@ -251,7 +266,7 @@ function convertLanguage(name) {
var languageHighlightRules = fillTemplate(modeHighlightTemplate, {
language: languageNameSanitized,
languageTokens: patterns,
respositoryRules: "/*** START REPOSITORY RULES " + repository + "END REPOSITORY RULES ***/",
respositoryRules: "/*** START REPOSITORY RULES\n" + repository + "\nEND REPOSITORY RULES ***/",
uuid: language.uuid
});