roblox-ts/out/compiler/if.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(".");
const CompilerError_1 = require("../errors/CompilerError");
const typeUtilities_1 = require("../typeUtilities");
const utility_1 = require("../utility");
function assertNonLuaTuple(exp) {
    if (typeUtilities_1.isTupleType(typeUtilities_1.getType(exp))) {
        throw new CompilerError_1.CompilerError(`Cannot check a LuaTuple in a conditional! Change this to:\n\t${exp.getText()}[0]`, exp, CompilerError_1.CompilerErrorType.LuaTupleInConditional);
    }
    return exp;
}
exports.assertNonLuaTuple = assertNonLuaTuple;
function compileIfStatement(state, node) {
    let result = "";
    state.enterPrecedingStatementContext();
    const expStr = _1.compileExpression(state, utility_1.skipNodesDownwards(assertNonLuaTuple(node.getExpression())));
    result += state.exitPrecedingStatementContextAndJoin();
    result += state.indent + `if ${expStr} then\n`;
    state.pushIndent();
    result += _1.compileStatement(state, node.getThenStatement());
    state.popIndent();
    let elseStatement = node.getElseStatement();
    let numBlocks = 1;
    while (elseStatement && ts.TypeGuards.isIfStatement(elseStatement)) {
        state.enterPrecedingStatementContext();
        state.pushIndent();
        const exp = utility_1.skipNodesDownwards(assertNonLuaTuple(elseStatement.getExpression()));
        const elseIfExpression = _1.compileExpression(state, exp);
        const context = state.exitPrecedingStatementContext();
        if (context.length > 0) {
            state.popIndent();
            result += state.indent + `else\n`;
            state.pushIndent();
            numBlocks++;
            result += utility_1.joinIndentedLines(context);
            result += state.indent + `if ${elseIfExpression} then\n`;
        }
        else {
            state.popIndent();
            result += state.indent + `elseif ${elseIfExpression} then\n`;
        }
        state.pushIndent();
        result += _1.compileStatement(state, elseStatement.getThenStatement());
        state.popIndent();
        elseStatement = elseStatement.getElseStatement();
    }
    if (elseStatement) {
        result += state.indent + "else\n";
        state.pushIndent();
        result += _1.compileStatement(state, elseStatement);
        state.popIndent();
    }
    result += state.indent + `end;\n`;
    for (let i = 1; i < numBlocks; i++) {
        state.popIndent();
        result += state.indent + `end;\n`;
    }
    return result;
}
exports.compileIfStatement = compileIfStatement;
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