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betaconversions.html
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betaconversions.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1" />
<title>Bribe's vJass2Lua version 0.A.3.0 beta</title>
</head>
<body>
<input type="button" id="convert2lua" value="Convert to Lua"/>
<label><input type="checkbox" id="autoConvert" checked>Convert on paste</label>
<input type="button" id="copyscript" value="Copy to Clipboard"/>
<label><input type="checkbox" id="autoCopy" checked>Copy on convert</label>
<input type="button" id="revert2vjass" value="Revert to vJass"/>
<br/>
<textarea autofocus rows="40" cols="120" id="scriptblock" placeholder="Enter vJass script" wrap="off"></textarea>
<br />
<div style="font-family: roboto,verdana,arial;font-size: 13px;">
Configurables:
<label><input type="number" id="spacing" name="spacing" min="1" max="16" value="4" style="width: 30px;">Spacing</label>
<label><input type="checkbox" id="addZinc">Add //! zinc wrapper</label>
<label><input type="checkbox" id="commentdebug" checked>Comment-out debug lines</label>
<label><input type="checkbox" id="deletecomments">Delete comments</label>
<label><input type="checkbox" id="deleteemmy">Delete Emmy Annotation</label>
<label><input type="checkbox" id="deletelinebreaks">Delete extra linebreaks</label>
<br />
<label><input type="checkbox" id="avoidrepeatuntil">Don't use repeat...until loops</label>
<label><input type="checkbox" id="deletenatives" checked>Comment-out native declarations</label>
<label><input type="checkbox" id="usealias" checked>Use @type one-liner instead of multi-line @param</label>
<br />
<br />
Required Lua for vJass support:
<br /><a href="https://github.com/BribeFromTheHive/Lua-Core/blob/main/vJass2Lua%20Runtime%20Plugin.lua">vJass2Lua Runtime Plugin (for Structs, Textmacros, etc.)</a>
<br /><a href="https://www.hiveworkshop.com/threads/global-initialization.317099/">Global Initialization (for scope/library/struct initialization)</a>
<br />
<br />
Optional Requirements:
<br /><a href="https://github.com/BribeFromTheHive/Lua-Core/blob/main/Global%20Variable%20Remapper.lua">Global Variable Remapper (for public non-constant vJass variables)</a>
<br />
<br />
Alternatively to the above, if this is only a JASS script, you can add this snippet to the top trigger in your map to help in case any string concatenation was missed:
</div>
<br /><label><textarea cols = "70" id="stringmt" rows = "1">getmetatable("").__add = function(obj, obj2) return obj .. obj2 end</textarea>
<input type="button" id="copystring" value="Copy"/></label>
</body>
<script>
//Credit for generated large, fancy text goes to https://www.messletters.com/en/big-text/
var recent = "";
const vJassField = document.getElementById("scriptblock");
var converted = false; //prevent double-click of Convert2Lua from corrupting the code
const RC2NF = (type) => {
if (type === "real")
return "number";
else if (type === "code")
return "function";
return type;
}
function deleteEmmies(str) {
if (document.getElementById("deleteemmy").checked) {
return ReplaceStr(str,/---@.*/g, "");
}
return str;
}
document.getElementById('deleteemmy').onchange = () => vJassField.value = deleteEmmies(vJassField.value);
const addZincCheck = document.getElementById("addZinc")
addZincCheck.onchange = () => {
if (addZincCheck.checked) {
vJassField.value = "//! zinc\n" + vJassField.value + "\n//! endzinc";
addZincCheck.checked = false;
}
}
function delEmmy() {
vJassField.value = deleteEmmies(vJassField.value);
}
function deleteLineBreaks(str) {
if (document.getElementById("deletelinebreaks").checked) {
return ReplaceStr(str,/(\r?\n)(?: *\r?\n)*/g, "$1");
}
return str;
}
document.getElementById('deletelinebreaks').onchange = () => vJassField.value = deleteLineBreaks(vJassField.value);
function revertTovJass() {
let current = document.getElementById('scriptblock').value;
if (converted && recent != current && recent != "") {
converted = false;
document.getElementById('scriptblock').value = recent;
}
}
document.getElementById('revert2vjass').onclick = revertTovJass;
function copySomething(str) {
let copy = document.getElementById(str);
copy.select();
copy.setSelectionRange(0, 99999);
navigator.clipboard.writeText(copy.value);
}
document.getElementById('copyscript').onclick = function() {
copySomething("scriptblock");
}
document.getElementById('copystring').onclick = function() {
copySomething("stringmt");
}
//used only for debugging. Copied from https://stackoverflow.com/a/57102605/18919165
function logDiff(a, b) {
if (a == b) return;
let i = 0;
let j = 0;
let result = "";
while (j < b.length) {
if (a[i] != b[j] || i == a.length)
result += b[j];
else
i++;
j++;
}
console.log(result);
}
let lastRawResult = "";
function buildvJassVarFinder(whichWord, capture=true) {
let result = "\\$?\\b" + whichWord + "\\b\\$?";
if (capture) {
lastRawResult = result;
result = "("+result+")";
}
return result;
}
const rawvJassVar = "[A-Za-z][\\w]*";
const capturevJassVar = buildvJassVarFinder(rawvJassVar); //captures a vJass variable name to a group.
const seekvJassVar = lastRawResult; //finds a vJass variable name (must start with a letter, underscore or $ symbol).
const seekIndent = "^ *";
const captureIndent = "("+seekIndent+")";
const seekToEOL = ".*";
const captureToEOL = "("+seekToEOL+")";
const ignoredKeywords = ["type","return","returns","endif","elseif",
"endwhile","extends","array","static","method","not","and","or",
"function","module","implement","library","requires","scope",
"optional","if","else","then","while","true","false","nil","do",
"end","endfunction","endmethod","type","repeat","until","local",
"constant","public","private","readonly","for","in","break"];
const replaceArray1 = new RegExp(seekIndent+capturevJassVar+" +array +"+capturevJassVar+captureToEOL, "m");
const seekArray = " *\\[ *(\\d+) *\\]";
const replaceArray2 = new RegExp("^"+seekArray+seekArray, "m");
const replaceArray3 = new RegExp("^"+seekArray, "m");
const replaceVar1 = new RegExp(seekIndent+capturevJassVar+"( +)"+capturevJassVar+captureToEOL, "m");
const seekLineBreak = "\\r?\\n";
const seekLineBreakR= new RegExp(seekLineBreak);
const getArgPairs = new RegExp(capturevJassVar+" +" +capturevJassVar,"g");
function ReplaceStr(str, regexPattern, replacement) {
//let original = str;
str = str.replace(regexPattern, replacement);
//logDiff(original,str);
return str;
}
function RepeatActionOnString(str, action) {
let tempStr = "";
while (tempStr != str) {
tempStr = str;
str = action(str);
}
return str;
}
function parseVar(line, isLocal=false) {
//check for array declarations, first
let newLine = ReplaceStr(line,replaceArray1,
(_, type, name, remainder) =>
{
//let tlen = " ".repeat(type.length) + " "; //##formatting
let rawtype = type;
type = " ---@type "+RC2NF(type);
let result = ReplaceStr(remainder,replaceArray2,
(_, width, height) =>
`${name}=vJass.array2D\(${width}, ${height}\)${type}\[\]\[\] `
)
type+="[]";
if (result == remainder) {
result = ReplaceStr(remainder,replaceArray3, (_, size) => `${name}=\{size=${size}\}${type} `);
if (result == remainder) {
let arrayType;
switch (rawtype) {
case "integer":
addToIntStack(name);
case "number":
arrayType = "0";
break;
case "boolean": arrayType = "false";
break;
case "string": arrayType = '""';
break;
default: arrayType = "{}";
}
if (arrayType != "{}") {
arrayType = "__jarray("+arrayType+")";
}
result = name + "=" + arrayType+type+" " + remainder;
}
}
return result;
});
if (newLine != line) {
return newLine; //array has been parsed
}
return ReplaceStr(line,replaceVar1,
(_, type, tlen, name, remainder) => {
let tail = "";
let hasComment = remainder.search(/•/);
tlen += " ".repeat(type.length);
if (hasComment >= 0) {
tail = remainder.substring(hasComment);
remainder = remainder.substring(0, hasComment);
}
if (type == "integer") {
addToIntStack(name);
} else
if (type == "key") {
remainder = "=vJass.key()"+ remainder;
type = "integer";
tlen = "";
}
tail = " ---@type " + RC2NF(type) + " " + tail;
let isSet = remainder.search(/^ *\=/m);
if (isSet < 0) {
if (isLocal) return name + tail; //local variable declaration does not need assignment.
return name + "=nil" + tail; //global variable declaration needs assignment to be valid syntax.
}
return name + tlen + remainder + tail; //variable with assignment has been parsed
});
}
function parseIsolatedVar(prefix, wholeMatch, w1, w2, index) {
if (ignoredKeywords.includes(w1) || ignoredKeywords.includes(w2)) return wholeMatch;
return prefix+parseVar(wholeMatch);
}
var deleteComments = false;
//"window" works similarly to Lua's "_G" table in that you can use concatenation to generate variable names dynamically.
function declarePackage(whichType, encoding, inlinedEncoding="•") {
let array = [];
encoding = inlinedEncoding+'#'+encoding+'#'
window["insert"+whichType] = (str) => {
if (whichType == "Comment"){
if (deleteComments) return "";
str = "--"+str;
} /*else {
switch (whichType) {
case "Zinc": case "ZincStruct": case "ZincFunc":
console.log(str);
}
}*/
return encoding+(array.push(str)-1);
}
window["unpack"+whichType] = (str) => {
if (array.length > 0)
{
let finder = new RegExp(encoding+"(\\d+)","g");
return ReplaceStr(str,finder, (_, num) => array[num]);
}
return str;
}
}
declarePackage("Comment", "cmt");
declarePackage("String", "str", "`");
declarePackage("Rawcode", "fcc", "`");
declarePackage("Zinc","znc");
declarePackage("ZincFunc","fun");
declarePackage("ZincStruct","zst");
declarePackage("ZincVar","zvr");
declarePackage("ZincPublic","pub");
function insertBlockComment(comment) {
return insertComment('[['+comment+']]');
}
let getEndParenthesisIndex = (parenthesisStr, startingDepth=0) => {
let depth = startingDepth;
for (let i=0; i<parenthesisStr.length; i++) {
switch (parenthesisStr[i]) {
case "(":
depth++;
break;
case ")":
if (--depth <= 0) return i+1;
}
}
}
let confirmBracketKeywordCache = {},
confirmBracketKeyword = (whichKeyWord, stringToMatch) => {
let tester = confirmBracketKeywordCache[whichKeyWord];
if (!tester) {
tester = new RegExp("\\W"+whichKeyWord+"\\W");
confirmBracketKeywordCache[whichKeyWord] = tester;
}
return tester(stringToMatch);
}
let addExtraEndBlock, parseBracketContents; //Meant for parsing stuff within Zinc functions.
parseBracketContents = (bracketStr, inName, startingDepth=0, terminate="") => {
let depth = startingDepth;
let nextDepthPoint;
let lastDepthPoint = 0; //used for tracking regex keywords upon increasing the bracket depth
let wordDepth = 0;
let keyWord = "";
addExtraEndBlock = false;
bracketLoop:
for (let i=0; i<bracketStr.length; i++) {
switch (bracketStr[i]) {
case "{":
if (depth++ == startingDepth && terminate != "" && lastDepthPoint == 0) {
nextDepthPoint = bracketStr.substring(0,i).match(/\b(?:for|while|else|if)\b/);
if (nextDepthPoint>=0) {
lastDepthPoint = nextDepthPoint;
addExtraEndBlock = true; //happens with stuff like "else while (blah) {...do stuff...}" where "else" has no brackets but contains something that has brackets.
}
}
continue bracketLoop;
case "}":
if (--depth <= 0) {
return i+1; //decrease depth when a closing bracket is found. If 0 or less, return that index.
}
continue bracketLoop;
case terminate:
if (depth==startingDepth) return i+1; //if no brackets were used, terminate at the first escape character (which would be a ";" if defined)
default:
continue bracketLoop;
case "e":
keyWord = "else";
break;
case "f":
keyWord = "for";
break;
case "w":
keyWord = "while";
break;
case "i":
keyWord = "if";
}
wordDepth = keyWord.length;
if (bracketStr.substring(i,i+wordDepth) == keyWord)
{
let j = i + wordDepth;
if (keyWord == "else" && bracketStr.substring(j,j+2) == "if")
{
keyWord = "elseif";
wordDepth += 2;
}
if (confirmBracketKeyword(keyWord, bracketStr.substring(i-1, j+1)))
{
let endPos;
switch (keyWord) {
case "else":
endPos = j;
break;
default:
endPos = getEndParenthesisIndex(bracketStr.substring(j));
case "for":
case "while":
//add string " do "
break;
case "elseif":
case "if":
//add string " then "
break;
}
i=j-1;
}
}
}
return -1; //insufficient endbrackets were found.
}
function parseZincFunctions(str) {
return RepeatActionOnString(str, funcStr=> {
let funcParts = funcStr.match(/(function|(?:static\s+)?method)([^{}()]*)\(([^{}()]*)\)([^{}()]*)\{/);
if (funcParts != null) {
//[0] = whole string match - used for getting the length to determine how much of the substring to clip out.
//[1] = function or method
//[2] = name and any operator stuff
//[3] = parameters
//[4] = return properties
//[5] = the point in the string where this match begins
let pos1 = funcParts[5];
let pos2 = funcParts[0].length;
/*if (funcParts[1] != "function" && funcParts[1] != "method")
{
funcParts[1] = "method" //remove "static" keyword.
}*/
let remainder = funcStr.substring(pos1+pos2);
let pos3 = parseBracketContents(remainder, "function", 1);
if (pos3 < 0) alert("syntax error: function without end bracket: "+funcParts[0]);
let contents = remainder.substring(0,pos3);
remainder = remainder.substring(pos3);
return funcStr.substring(0,pos1)+contents+remainder;
}
return funcStr;
});
}
const zincVarPrefix = "KILL_THIS_ZINC_VAR_PREFIX_"; //used to catch extra types that were chained with commas
const zincVarFinder = [];
function createZincVarFinder(findArray=false, deepSearch=false) {
let w1 = "(?:"+zincVarPrefix+")*(\\$?"+rawvJassVar+"\\b\\$?)";
if (findArray)
findArray = "\\s*(\\[[^\\[\\]]*?\\])";
else
findArray = "()"; //create a dummy capture group.
let open = "( *)";
let flag = "g";
if (deepSearch) {
w1 += "(\\s*)((?:^ *•[^\\r\\n]*\\s*)*)"; //extremely expensive operation, but includes comments as well as whitespace.
open = "^"+open;
flag += "m";
} else {
w1 += "(\\s+)()";
}
open += w1+capturevJassVar; //pattern is set to capture two vJass variables (the first is assumed to be a type, but I will check against it later to make sure it's not a keyword).
let close = "([^;,(•]*?(?:\\([^()]*(?:\\([^()]*\\))*(?:[^()]*\\([^()]*\\))*[^()]*\\))*)\\s*([;,\\{\\}])( *•.*)*"; //pattern set to find a semicolon or comma, skips up to 2 levels of parenthesis (if present), then includes the remainder of the line.
let result = new RegExp(open + findArray + close, flag);
//console.log("Zinc variable finder: ", result);
return result;
}
zincVarFinder[0] = createZincVarFinder();
zincVarFinder[1] = createZincVarFinder(true);
zincVarFinder[2] = createZincVarFinder(false, true);
zincVarFinder[3] = createZincVarFinder(true, true);
const replaceLineBreak = new RegExp(seekLineBreak, "g");
/*vJassField.addEventListener('keydown', function(e) { //from https://stackoverflow.com/questions/6637341/use-tab-to-indent-in-textarea
let code = e.keyCode || e.which;
if (code == 9) {
e.preventDefault();
let start = this.selectionStart;
let len = document.getElementById("spacing").value
let spacing = " ".repeat(len);
// set textarea value to: text before caret + tab + text after caret
this.value = this.value.substring(0, start) + spacing + this.value.substring(this.selectionEnd);
// put caret at right position again
this.selectionStart = this.selectionEnd = start + len;
}
return false;
});*/
/*
how variables storage needs to function:
create an array per scope which is scanned in the order of:
1. function/method
2. struct/module enclosure
3. scope enclosure
4. library enclosure
array stores objects with property of type and variable name
However, we only need to store integers into scope, and detect when they are assigned within the scanned scope.
Structure:
blob: contains list of integers
blob group: checked in order of blob as defined in scope order above
*/
let intStack = [];
let isVarInt = varName => intStack.indexOf(varName) >= 0;
function addToIntStack(varName)
{
if (! isVarInt(varName))
intStack.push(varName);
}
function parseScript() {
const vJassSource = vJassField.value;
if (converted && (vJassSource.search(/^--Conversion by vJass2Lua/m) >= 0)) {
//console.log("duplicate conversion detected");
return;
} else {
//console.log("conversion commencing");
converted = true;
}
const userDefinedSpacing = document.getElementById("spacing").value;
const indentation = " ".repeat(userDefinedSpacing);
deleteComments = (document.getElementById("deletecomments").checked);
const commentDebug = (document.getElementById("commentdebug").checked);
let noRepeatUntil = document.getElementById("avoidrepeatuntil").checked; //temporary workaround
let commentOutNatives = document.getElementById("deletenatives").checked;
let useAlias = document.getElementById("usealias").checked;
let parsing = vJassSource;
parsing = RepeatActionOnString(parsing, str=> ReplaceStr(str,/^([^\r\n\t]*)\t/gm, (_, leadingChars) =>
{
let len = leadingChars.length % userDefinedSpacing; //instead of zapping tabs to userDefinedSpacing...
len = userDefinedSpacing - len; //get the remaining length of tabs...
return leadingChars + " ".repeat(len); //this preserves sub-indentation (such as when a user aligns = signs)
})); //example: 17 characters + a tab, the tab should be equal to 3 spaces...
//17 mod 4 = 1, 4 - 1 = 3. That's our result.
parsing = ReplaceStr(parsing,/^ *\/\/\! *novjass\b.*?^ *\/\/\! *\bendnovjass\b/gms, str => insertBlockComment('\n'+str)); //novjass blocks
parsing = ReplaceStr(parsing,/" *\+/g, '\"..'); //..
parsing = ReplaceStr(parsing,/\+ *"/g, '..\"'); //fix predictable string cocatenation
parsing = ReplaceStr(parsing,/("(?:[^"\\]|\\"|\\[\\\w])*?")/gm, (_, str) => insertString(str)); //Store strings into an array to protect them from being parsed.
parsing = ReplaceStr(parsing,/'(?:[^'\\]|\\'|\\\\){4}'/g, str => insertRawcode('FourCC('+str+')')); //Wrap 'hfoo' or 'Abil' in FourCC.
parsing = ReplaceStr(parsing,/^([^\/]?)\/\/\!/gm, '$1--!'); //preprocessor requests
parsing = ReplaceStr(parsing,/\/\/(.*)/g, (_, str) => insertComment(str)); //line comments
parsing = ReplaceStr(parsing,/\/\*((?:(?!\*\/).)*?)\*\/( *•.*?)*$/gms, (_, a, b="") => insertBlockComment(a)+b); //convert safe block comments that don't have trailing text at the end
parsing = ReplaceStr(parsing,/([;}] *)\/\*((?:(?!\*\/).)*?)\*\//gms, (_, a, b) => a+insertBlockComment(b)); //convert safe block comments that were preceded by a ; or }
parsing = ReplaceStr(parsing,/\/\*(?:(?!\*\/).)*?\*\//gms, ''); //delete all remaining blockquotes as "unsafe" to parse.
if (commentOutNatives)
parsing = ReplaceStr(parsing,/^ *(?:constant)? *native\b.*/gm, str => insertComment(str)); //comment-out natives
else
parsing = ReplaceStr(parsing,/^( *)(?:constant)? *native\b([^•\r\n]+)/gm, (_, indent, remainder) => {
if (useAlias) {
let name = "";
let args = "";
let returns = "";
let newRemainder = "";
let gap = "";
remainder = ReplaceStr(remainder, /([\$\w]+)( +)takes +([\$\w, ]+ +)*?\breturns +([\$\w]+)(.*?)/, (_, rawName, rawGap, rawArgs, rawReturns, rawRemainder) => {
name = rawName;
if (rawReturns !== "nothing")
returns = ": " + RC2NF(rawReturns);
if (rawArgs.search(/\bnothing\b/) < 0) {
ReplaceStr(rawArgs, getArgPairs, (_, type, name) => {
type = RC2NF(type);
args += name + ": " + type + ", ";
return "";
});
args = args.slice(0, -2); //remove the last comma.
}
gap = rawGap;
newRemainder = rawRemainder;
});
return indent + name + "=null"+ gap +"---@type fun(" + args + ")" + returns + " (native)" + newRemainder;
} else
return indent + "function" + remainder + " endfunction --(native)";
}); //really only useful for parsing through something like common.j
parsing = ReplaceStr(parsing,/\b(?:do|in|end|nil|repeat|until)\b/g, '$&_'); //fix Lua keywords that aren't found in vJass nor Zinc.
parsing = ReplaceStr(parsing,/([\w\$]+):([\w\$]+)/g, "$2[$1]"); //this is some weird vJass array variety that obviously won't work in Lua.
//convert conventional null and != to Lua's weird versions of them.
parsing = ReplaceStr(parsing,/\bnull\b/g, 'nil');
parsing = ReplaceStr(parsing,/!=/g, '~=');
/* ________ __ .__ __. ______
| / | | | \ | | / |
`---/ / | | | \| | | ,----'
/ / | | | . ` | | |
/ /----.| | | |\ | | `----.
/________||__| |__| \__| \______| ##Zinc##
*/
function parseZincVar(prefix, wholeMatch, indent, w1, gap=" ", tailgap="", w2, array="", remainder="", sign, tail="", isDeep)
{
if (w1 == w2 || ignoredKeywords.includes(w1) || ignoredKeywords.includes(w2) || sign == "{")
{
//console.log("complete failure:",wholeMatch);
return wholeMatch;
}
remainder = ReplaceStr(remainder,replaceLineBreak, " ");
let spacebreaker = gap.search(seekLineBreakR);
if (spacebreaker >=0)
{
tailgap = gap.substring(spacebreaker) + tailgap;
gap = gap.substring(0,spacebreaker) || " ";
//console.log("gap found:", w1 + gap + w2);
}
if (sign == ",")
{
tail += "\n"+indent+zincVarPrefix+w1;
//console.log("new tail:",tail);
}
tail += tailgap;
let result;
if (array!="")
{
if (array == "[]") array = "";
result = w1 + " array " + w2 + array;
} else {
result = w1 + gap + w2;
//console.log("non-array found");
}
result += remainder;
let test = parseVar(result);
if (test == result) {
console.log("failure:",wholeMatch);
return wholeMatch;
}
//console.log("new var:", prefix+result, "indent:",indent.length);
if (prefix == "") result = test;
result = indent+prefix+result;
//if (isDeep) console.log("deep var:",result+tail);
return insertZincVar(result)+tail;
}
function parseZincVars(str, prefix)
{
let parseZincVarsByType = whichType =>
{
let varTypeFinder = zincVarFinder[whichType];
let isDeep = (whichType > 1);
str = RepeatActionOnString(str, repeatStr=> ReplaceStr(repeatStr, varTypeFinder, (wholeMatch, indent, w1, gap, deepGap, w2, array, remainder, sign, tail) => parseZincVar(prefix, wholeMatch, indent, w1, gap, deepGap, w2, array, remainder, sign, tail, isDeep)));
}
//console.log("shallow search:", str);
parseZincVarsByType(1); //parse Zinc arrays
parseZincVarsByType(0); //parse Zinc scalars
if (str.search(new RegExp(zincVarPrefix)) >= 0)
{
//console.log("deep search:", str);
//need to go deeper. Comments were sandwiched in between variable types and chained, breaking the flow.
//Issue discovered in: https://www.hiveworkshop.com/threads/cam-system-v3.144480/
parseZincVarsByType(3); //parse Zinc arrays, checking for comments.
parseZincVarsByType(2); //Zinc scalars
}
str = unpackZincVar(str);
str = ReplaceStr(str,new RegExp(zincVarPrefix, "g"), "");
return str;
}
//console.log(parsing,"\n",vJassSource);
var inZinc = true;
parsing = ReplaceStr(parsing,/^ *\-\-\! *zinc(.*?)^ *\-\-\! *endzinc/gms,
(_, zincSource) =>
{
// [ detect the handling of function/method ] [ detect other kinds of basic blocks ] [ common to both ]
// [ $1 ] [ $7 ]
const zincBracket = /(?:((\b(?:function|method|operator)\b\s*([\w$]+)?)([\[\]\=\s]*)\(([\w$\s,]*?)\)\s*(?:\-\>\s*([\w$]+))?)|(\b(if|else|elseif|while)\b(\s*)(\((?:(?!then)[^{;])*?\))?))(\s*){(\s*)([^{}]*?)(\s*)}(?:(\s*)(else(?:if)?))?/gms;
// [ $2 ][ $4 ] [ $5 ] [ $6 ] [ $8 ] [ $9][ $10 ] [$11] [$12][ $13 ][$14] [$15][ $16 ]
// [ $3 ]
// corresponding information defined in the replacer function which uses this regular expression.
zincSource = ReplaceStr(zincSource, /\bconstant\s+/g, "");
zincSource = ReplaceStr(zincSource,/(.?)(\&\&|\|\||\!)(.?)/g,
(_, startp=" ", str, endp=" ") =>
{
switch(str) {
case "&&":
str = "and";
break;
case "||":
str = "or";
break;
default:
str = "not";
}
if (startp != " ") startp += " ";
if (endp != " ") endp = " "+endp;
return startp + str + endp;
});
zincSource = ReplaceStr(zincSource,/([\w\$]+(?:[\[\]\w\$\.]*))(\s*)([\+\-\*\/])=/g,"$1$2=$1$3"); // += -= *= /= syntax isn't supported in Lua.
function zincForLoop(contents, remainder, endspacing)
{
let result = contents;
let indent = indentation;
if (endspacing == "; ") indent = "";
result = ReplaceStr(result,/([^;]+);([^;]+);([^;]+)/, (_,start,comp,end) =>
{
return start+"; while "+comp+" do "+remainder+endspacing+indent+end+endspacing+"endwhile";
});
if (result != contents) return result;
return ReplaceStr(result,/([^=><!]+) *([=><!]+) *([^=><!]+) *([=><!]+) *([^=><!]+)/, (_, initFor, fromFor, iterFor, tilFor, endFor) =>
{
let incDec = 1;
if (fromFor[0] == ">") incDec = -1;
let iterVal = initFor;
if (fromFor[1] == undefined)
{
let iterInt = parseInt(iterVal);
if (iterInt != NaN) iterVal = iterInt + incDec;
else iterVal += "+"+incDec;
}
if (iterFor[iterFor.length-1]==" ") iterFor = iterFor.slice(0,-1);
return iterFor + "="+iterVal+"; while "+iterFor+tilFor+endFor+ " do "+remainder+endspacing+indent+iterFor+"="+iterFor+"+"+incDec+endspacing+"endwhile";
});
//console.log("no loop match");
}
/*
Parsing within code. Do I do a descent from library { > public {} > struct {} > function {} } and stitch it all back together?
Currently finding it block within block, randomly,
*/
zincSource = ReplaceStr(zincSource,/\belse\s*(?:static *)?if/g,"elseif");
zincSource = RepeatActionOnString(zincSource, str => {
//Zinc allows people to write if (conds) action; instead of forcing if (cond) {action}, hence a lot more complexity here to add brackets.
str = ReplaceStr(str,/\b(if|elseif|else)\b((?:(?!then|if|else)[^{}])*?)(;|\b(?:(?:while|for)\s*{\s*[^{}]*?\s*}))/g,
(ifMatch, ifStatement, ifContents, endStatement) =>
{
if (ifStatement != "else") {
let endPos = parseBracketContents(ifContents, "(", ")");
if (endPos >= 0) {
let cnt1 = ifContents.substring(0, endPos);
let cnt2 = ifContents.substring(endPos);
ifContents = cnt1 + " { " + cnt2;
//console.log(endPos, "cnt1:",cnt1, "cnt2:",cnt2);
}
} else {
if (endStatement == ";") {
if (ifContents.search(/endif/) >= 0) { return ifMatch; }
//console.log("ifStatement", ifStatement, "ifContents", ifContents);
return ifStatement + ifContents + " endif ";
}
ifStatement += " { ";
}
if (endStatement == ";") { endStatement = "}" }
else { endStatement += "}" };
//console.log("if:", ifStatement, "contents:", ifContents, "end:", endStatement);
return ifStatement + ifContents + endStatement
});
//console.log("for", str);
str = ReplaceStr(str,/\bfor *\(((?:[^\(\)\{\}\r\n]*(?:\([^\(\)\{\}]*\))*)*)\)((?:(?!do)[^{}])*?);/g, (_,forConds, forLoop) => zincForLoop(forConds, forLoop, "; "));
str = ReplaceStr(str,/\bfor *\(((?:[^\(\)\{\}]*(?:\([^\(\)\{\}]*\))*)*)\)(\s*)(?:\{([^{}]*(\r?\n *){0,1})\})/g, (_,forConds, spacing,forLoop,endspacing="; ") => zincForLoop(forConds, spacing+forLoop, endspacing));
str = ReplaceStr(str,zincBracket, (wholeBracketMatch
, isFunction //1 this grouping will be defined if the regex pattern aligns with the structure of a Zinc function.
, functionOrSomethin //2 it's either going to be the keyword "function", "method" or "operator".
, functionName //3 for anonymous functions, this needs to be optional.
, operatorSymbols //4 defined if found symbols like []=
, args //5 (integer i, unit u, code c) or just ()
, returnType = "nothing"//6 (boolexpr/real/widget) in a return value
, isNotFunction //7 this grouping is defined if the regex pattern aligns with "while, if, else, elseif"
, name //8 A Zinc keyword.
, startpadding0 //9 spacing after the Zinc keyword.
, condOrRange //10 if there are any (parenthesis) detected, capture them here.
, startpadding1 //11 spacing before the {
, startpadding2 //12 spacing after the {
, contents //13 stuff between the {}
, endpadding1 //14 spacing before the }
, endpadding2 //15 if there is an else/elseif, capture spacing after the } (just used for whitespace consistency)
, isElse //16 else or elseif (or this is just undefined).
) => {
startpadding1 = startpadding1 || " ";
startpadding2 = startpadding2 || " ";
endpadding1 = endpadding1 || " ";
if (isFunction != undefined) {
let isValidFunc = "function";
//console.log("is function:", isFunction);
if (functionName != undefined) {
isValidFunc = ReplaceStr(functionOrSomethin,/^(method|function|operator).*/ms, "$1");
if (isValidFunc == functionOrSomethin) {
//console.log("failed to match function:", wholeBracketMatch) ;
return wholeBracketMatch;
}
}
if (isValidFunc == "function") {
endpadding1 += "endfunction";
if (functionName == "onInit")
endpadding1 += "; OnInit(function() Require.strict 'vJass2Lua'; onInit() end)";
} else {
endpadding1 += "endmethod";
}
//console.log(args);
args = ReplaceStr(args,replaceLineBreak, " ");
args = ReplaceStr(args, / +/g, " ")
args = ReplaceStr(args,/^\s*$/m, "nothing");
args = " takes " + args;
args += " returns " + returnType;
//console.log(args);
contents = ReplaceStr(startpadding2+contents,/\belse\s*while\b[^\{\}]*?endwhile(?!\s+endif\b)/gm, "$& endif");
contents = parseZincVars(contents,"local ");
contents = ReplaceStr(contents, /\bstatic\s+method\s+/, "function"); //convert static method to the "function" keyword used by vJass
return insertZincFunc(functionOrSomethin + operatorSymbols + args + startpadding1 + contents + endpadding1);
} else {
//console.log("is not function:", isNotFunction);
startpadding0 = startpadding0 || " ";
switch(name){
case "if": case "elseif": case "else":
if (condOrRange != undefined) {
let endPos = parseBracketContents(condOrRange, "(", ")");
if (endPos < condOrRange.length && endPos >= 0) {
//rebuild the output to allow this match to be "discarded" and parsed after any contained while/for loops
endPos = parseBracketContents(wholeBracketMatch, "(", ")");
let cnt1 = wholeBracketMatch.substring(0, endPos);
let cnt2 = wholeBracketMatch.substring(endPos);
//console.log("skipping conds for", cnt1, "..and...", cnt2)
let cnt3 = "";
if (isElse != undefined) {
let i = cnt2.lastIndexOf("else");
let splitCnt2_3 = cnt2
cnt2 = cnt2.substring(0, i);
cnt3 = splitCnt2_3.substring(i);
}
//console.log("cnt1",cnt1, "cnt2",cnt2 , "cnt3",cnt3);
return cnt1 + "{" + cnt2 + "}" + cnt3;
}
//console.log("parsing conds for", wholeBracketMatch)
condOrRange = condOrRange + startpadding1+"then";
} else {
condOrRange = "";
}
if (isElse != undefined) {
if (endpadding2 == " ") { endpadding2 = ""; }
endpadding1 += endpadding2 + isElse;
} else {
endpadding1 += "endif";
}
return name + startpadding0+ condOrRange +startpadding2+ contents+endpadding1;
case "while":
if (isElse != undefined) { endpadding2+=isElse }
else { endpadding2 = ""; }
//console.log("parsing while", name + startpadding0+condOrRange + " do " + contents+endpadding1+"endwhile "+endpadding2)
return name + startpadding0+condOrRange + " do " + contents+endpadding1+"endwhile "+endpadding2;
default:
console.log("something weird happened");
//return name + startpadding0+condOrRange + contents+endpadding1+"end"+name;
}
}
});
//let what = str
//if (what != str) logDiff(what, str);
return str;
});
//Extract Zinc structs and handle the struct and library scopes separately.
//console.log("zinc contents:",zincSource);
const zincFindPubPrivBrackets = /\b(public|private)\s*\{([^\{\}]*)\}/g;
function ProcessStructOrModule(header, str)
{
str = ReplaceStr(str,zincFindPubPrivBrackets, (_,a,b) => {
//console.log("getting rid of public/private:",b);
b = parseZincVars(b,a+" ");
return b;
});
str = ReplaceStr(str, /\b(?:optional\s+)*module\b/g, "implement");
str = RepeatActionOnString(str, unpackZincFunc);
return insertZincStruct(header + str + "endstruct");
}
//console.log(zincSource);
zincSource = ReplaceStr(zincSource,/(struct[\s\w\$\[\]]*?)\{((?:[^\{\}]*(?:\{[^\{\}]*\})*)*)\}/g, (_,declaration, contents) =>
{
declaration = ReplaceStr(declaration,/\[[^\[\]]*\]/, " extends array ");
//console.log("struct contents:",contents);
return ProcessStructOrModule(declaration, contents);
});
zincSource = ReplaceStr(zincSource,/\bmodule\s+([\w$]+)\s*\{((?:[^\{\}]*(?:\{[^\{\}]*\})*)*)\}/g,(_,name, contents)=>
{
return ProcessStructOrModule("module "+name+"\n",contents);
})
let zincAddPrefix = (prefix, str)=> ReplaceStr(str, /•#(?:fun|zst)/g, match => prefix + match);
let zincProcessPublic = str => insertZincPublic(parseZincVars(str,""));
//process public/private brackets outside of structs
zincSource = ReplaceStr(zincSource, zincFindPubPrivBrackets, (_,a,b) =>
{
if (a == "public")
b = zincProcessPublic(b);
return b;
});
//process single-declaration public function/struct
zincSource = ReplaceStr(zincSource, /\bpublic\b\s+(•.+)/g, (_,line) => zincProcessPublic(line));
//process single-declaration public variable
zincSource = ReplaceStr(zincSource, /\bpublic\b\s+([^\s][^;]+;)/g, (_,line) => zincProcessPublic(line));
zincSource = ReplaceStr(zincSource, /\bprivate\s+/g, ""); //get rid of private keywords added unnecessarily by the user.
zincSource = zincAddPrefix("private ",zincSource);
//console.log(zincSource);
zincSource = parseZincVars(zincSource,"local ");
zincSource = ReplaceStr(zincSource, /\btype\b/g, "private $&");
//console.log(zincSource);
zincSource = unpackZincPublic(zincSource);
zincSource = unpackZincStruct(zincSource);
zincSource = RepeatActionOnString(zincSource, unpackZincFunc);
zincSource = ReplaceStr(zincSource, /\b(local *)*public /g, "");
zincSource = ReplaceStr(zincSource,/^(( *)[\w][^\r\n;]*)(\bwhile\b[^\{\}]*?)endwhile *([^ •\d\#]*)/gm, (_, whatever, spacing="", block, trail="") =>
{
//resolves issue encountered with RetroFade where there is an if-block without brackets containing a while-loop
block = ReplaceStr(block,/\n(?=.*\n)/g, "\n"+indentation);
trail = "\n"+spacing+trail;
return whatever+"\n"+spacing+indentation+block+indentation+"endwhile"+trail;
});
zincSource = ReplaceStr(zincSource,/\;( *)(\r?\n|•)/gm," $1$2"); //delete all trailing semicolons.
zincSource = ReplaceStr(zincSource,/^( *)\; */gm,"$1 "); //delete all leading semicolons.
zincSource = ReplaceStr(zincSource,/end(?:if|while|)/g, "end");
//console.log("about to parse library:",zincSource);
zincSource = ReplaceStr(zincSource,/\b(library\b[^\{]*?)\{((?:[^\{\}]*(?:\{[^\{\}]*\})*)*)\}/gs, (_,a,b) => {
//console.log("parsing library: ",a);
a = ReplaceStr(a, replaceLineBreak, " ");
return a+"\n"+b+"\nendlibrary";
});
zincSource = ReplaceStr(zincSource,/(;\s*);/g, "$1");
return insertZinc(zincSource); //pack Zinc away into an array
});
inZinc = false;
parsing = ReplaceStr(parsing,/\b(?:for|break|while)\b/g, '$&_'); //fix Lua keywords that aren't found in JASS but are found in Zinc.