qasm_lexer_classify_tokens.js

LexicalAnalyzer.prototype.getClassifiedTokenFromLines = function(tokenLines) {
	classifiedTokens = [];
	errors = [];
	// loop through each line of code
	for (var lineId = 0; lineId < tokenLines.length; lineId++) {
		line = tokenLines[lineId];
		// loop through each token in each line
		for (var tokenId = 0; tokenId < line.length; tokenId++) {
			token = line[tokenId];
			classifiedToken = null;
			// try to match the token agains all known token types
			for (var tokenTypeId in this.tokenTypes) {
				tokenType = this.tokenTypes[tokenTypeId];
				if (tokenType.test(token) == true) {
					classifiedToken = {
						"class": tokenTypeId,
						"lexeme": token,
						"line": lineId
					}
					classifiedTokens.push(classifiedToken);
					break;
				}
			}
			if (classifiedToken == null) {
				errors.push(this.generateParseError(lineId, "Unknown token: '" + token + "'"));
			}
		}
	}
	output = {
		"classifiedTokens": classifiedTokens,
		"errors": errors
	};
	return output;
}