roblox-ts/out/compiler/loop.js

<div align="center"><img width=25% src="https://i.imgur.com/yCjHmng.png"></div> <h1 align="center"><a href="https://roblox-ts.github.io/">roblox-ts</a></h1> <div align="center">A TypeScript-to-Lua Compiler for Roblox</div> <br> <div align="center"> <a hr

"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const ts = __importStar(require("ts-morph"));
const _1 = require(".");
function hasContinueDescendant(node) {
    for (const child of node.getChildren()) {
        if (ts.TypeGuards.isContinueStatement(child)) {
            return true;
        }
        if (!(ts.TypeGuards.isForInStatement(child) ||
            ts.TypeGuards.isForOfStatement(child) ||
            ts.TypeGuards.isForStatement(child) ||
            ts.TypeGuards.isWhileStatement(child) ||
            ts.TypeGuards.isDoStatement(child))) {
            if (hasContinueDescendant(child)) {
                return true;
            }
        }
    }
    return false;
}
function compileLoopBody(state, node) {
    const hasContinue = hasContinueDescendant(node);
    let endsWithBreakOrReturn = false;
    if (ts.TypeGuards.isBlock(node)) {
        const statements = node.getStatements();
        const lastStatement = statements[statements.length - 1];
        if (lastStatement) {
            if (ts.TypeGuards.isBreakStatement(lastStatement) || ts.TypeGuards.isReturnStatement(lastStatement)) {
                endsWithBreakOrReturn = true;
            }
        }
    }
    let result = "";
    if (hasContinue) {
        state.continueId++;
        result += state.indent + `local _continue_${state.continueId} = false;\n`;
        result += state.indent + `repeat\n`;
        state.pushIndent();
    }
    result += _1.compileStatement(state, node);
    if (hasContinue) {
        if (!endsWithBreakOrReturn) {
            result += state.indent + `_continue_${state.continueId} = true;\n`;
        }
        state.popIndent();
        result += state.indent + `until true;\n`;
        result += state.indent + `if not _continue_${state.continueId} then\n`;
        state.pushIndent();
        result += state.indent + `break;\n`;
        state.popIndent();
        result += state.indent + `end;\n`;
        state.continueId--;
    }
    return result;
}
exports.compileLoopBody = compileLoopBody;
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