js.prompto.parser.MCleverParser.js Maven / Gradle / Ivy

Go to download
var isNodeJs = typeof window === 'undefined' && typeof importScripts === 'undefined';
var fs = isNodeJs ? require("fs") : {}; // nodejs only
var antlr4 = require("antlr4/index");
var MIndentingLexer = require("./MIndentingLexer").MIndentingLexer;
var MParser = require("./MParser").MParser;
var MPromptoBuilder = require("./MPromptoBuilder").MPromptoBuilder;

function createInput(input) {
	if(typeof(input)==='string' || input instanceof String) {
		if(isNodeJs && fs.existsSync(input)) {
			input = new antlr4.FileStream(input);
		} else {
			input = new antlr4.InputStream(input);
		}
	}
	if(input instanceof antlr4.InputStream) {
		input = new MIndentingLexer(input);
	}
	if(input instanceof antlr4.Lexer) {
		input = new antlr4.CommonTokenStream(input);
	}
	return input;
}

function MCleverParser(input) {
	MParser.call(this,createInput(input));
	this.path = "";
	return this;
}

MCleverParser.prototype = Object.create(MParser.prototype);
MCleverParser.prototype.constructor = MCleverParser;

MCleverParser.prototype.parse = function() {
	return this.parse_declaration_list();
};
	
MCleverParser.prototype.parse_declaration_list = function() {
	var tree = this.declaration_list();
	var builder = new MPromptoBuilder(this);
	var walker = new antlr4.tree.ParseTreeWalker();
	walker.walk(builder, tree);
	return builder.getNodeValue(tree);
};

MCleverParser.prototype.equalToken = function() {
    return MParser.EQUAL;
};

exports.MCleverParser = MCleverParser;