@creditkarma/thrift-parser
Version:
A parser for Thrift written in TypeScript
94 lines • 3.78 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parse = exports.parseFiles = exports.defaultOptions = exports.createParser = exports.createScanner = void 0;
const fs = require("fs");
const path = require("path");
const debugger_1 = require("./debugger");
const organizer_1 = require("./organizer");
const parser_1 = require("./parser");
const scanner_1 = require("./scanner");
const types_1 = require("./types");
__exportStar(require("./types"), exports);
__exportStar(require("./factory"), exports);
var scanner_2 = require("./scanner");
Object.defineProperty(exports, "createScanner", { enumerable: true, get: function () { return scanner_2.createScanner; } });
var parser_2 = require("./parser");
Object.defineProperty(exports, "createParser", { enumerable: true, get: function () { return parser_2.createParser; } });
exports.defaultOptions = {
fastFail: false,
rootDir: '.',
outDir: '.',
files: [],
organize: true,
};
function parseFiles(options = {}) {
const mergedOptions = Object.assign(Object.assign({}, exports.defaultOptions), options);
return mergedOptions.files.map((file) => {
const filePath = path.resolve(process.cwd(), mergedOptions.rootDir, file);
const content = fs.readFileSync(filePath, 'utf-8');
return parse(content, mergedOptions);
});
}
exports.parseFiles = parseFiles;
function parse(source, options = {}) {
const mergedOptions = Object.assign(Object.assign({}, exports.defaultOptions), options);
const debug = (0, debugger_1.createDebugger)(source);
const scanner = (0, scanner_1.createScanner)(source, handleError);
const tokens = scanner.scan();
const parser = (0, parser_1.createParser)(tokens, handleError);
const intermediate = parser.parse();
const thrift = mergedOptions.organize
? (0, organizer_1.organize)(intermediate)
: intermediate;
/**
* This is a safe handler for errors that allows the parser and scanner to recover to a
* reasonable state after an error and continue with the parse. If an error occurs we will
* not return any output, but using this allows us to catch more errors and report them to
* the user at once instead of the work flow of find error -> fix error, find error -> fix error.
*
* @param err
*/
function handleError(err) {
debug.report(err);
if (mergedOptions.fastFail) {
debug.print();
throw new Error(err.message);
}
else {
switch (err.type) {
case types_1.ErrorType.ParseError:
parser.synchronize();
break;
case types_1.ErrorType.ScanError:
scanner.syncronize();
break;
}
}
}
if (debug.hasError()) {
debug.print();
return {
type: types_1.SyntaxType.ThriftErrors,
errors: debug.getErrors(),
};
}
else {
return thrift;
}
}
exports.parse = parse;
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