typescript-to-lua/dist/transformation/builtins/console.js

A generic TypeScript to Lua transpiler. Write your code in TypeScript and publish Lua!

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformConsoleCall = transformConsoleCall;
const ts = require("typescript");
const lua = require("../../LuaAST");
const diagnostics_1 = require("../utils/diagnostics");
const call_1 = require("../visitors/call");
const isStringFormatTemplate = (node) => ts.isStringLiteral(node) && node.text.includes("%");
function transformConsoleCall(context, node, calledMethod) {
    const methodName = calledMethod.name.text;
    const signature = context.checker.getResolvedSignature(node);
    const parameters = (0, call_1.transformArguments)(context, node.arguments, signature);
    switch (methodName) {
        case "error":
        case "info":
        case "log":
        case "warn":
            if (node.arguments.length > 0 && isStringFormatTemplate(node.arguments[0])) {
                // print(string.format([arguments]))
                const stringFormatCall = lua.createCallExpression(lua.createTableIndexExpression(lua.createIdentifier("string"), lua.createStringLiteral("format")), parameters);
                return lua.createCallExpression(lua.createIdentifier("print"), [stringFormatCall]);
            }
            // print([arguments])
            return lua.createCallExpression(lua.createIdentifier("print"), parameters);
        case "assert":
            if (node.arguments.length > 1 && isStringFormatTemplate(node.arguments[1])) {
                // assert([condition], string.format([arguments]))
                const stringFormatCall = lua.createCallExpression(lua.createTableIndexExpression(lua.createIdentifier("string"), lua.createStringLiteral("format")), parameters.slice(1));
                return lua.createCallExpression(lua.createIdentifier("assert"), [parameters[0], stringFormatCall]);
            }
            // assert()
            return lua.createCallExpression(lua.createIdentifier("assert"), parameters);
        case "trace":
            if (node.arguments.length > 0 && isStringFormatTemplate(node.arguments[0])) {
                // print(debug.traceback(string.format([arguments])))
                const stringFormatCall = lua.createCallExpression(lua.createTableIndexExpression(lua.createIdentifier("string"), lua.createStringLiteral("format")), parameters);
                const debugTracebackCall = lua.createCallExpression(lua.createTableIndexExpression(lua.createIdentifier("debug"), lua.createStringLiteral("traceback")), [stringFormatCall]);
                return lua.createCallExpression(lua.createIdentifier("print"), [debugTracebackCall]);
            }
            // print(debug.traceback([arguments])))
            const debugTracebackCall = lua.createCallExpression(lua.createTableIndexExpression(lua.createIdentifier("debug"), lua.createStringLiteral("traceback")), parameters);
            return lua.createCallExpression(lua.createIdentifier("print"), [debugTracebackCall]);
        default:
            context.diagnostics.push((0, diagnostics_1.unsupportedProperty)(calledMethod.name, "console", methodName));
    }
}
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