Sha256: 7852fbda50bb936d84d03aa2849d2fc9f5a4fa2a63e5c563b0c66fc342190e71
Contents?: true
Size: 1.04 KB
Versions: 7
Compression:
Stored size: 1.04 KB
Contents
if (typeof require !== 'undefined') {
var bnf = require("./util/bnf-parser").parser;
exports.parse = function parse () { return bnf.parse.apply(bnf, arguments) };
}
// adds a declaration to the grammar
bnf.yy.addDeclaration = function (grammar, decl) {
if (decl.start) {
grammar.start = decl.start
}
if (decl.operator) {
if (!grammar.operators) {
grammar.operators = [];
}
grammar.operators.push(decl.operator);
}
};
// helps tokenize comments
bnf.yy.lexComment = function (lexer) {
var ch = lexer.input();
if (ch === '/') {
lexer.yytext = lexer.yytext.replace(/\*(.|\s)\/\*/, '*$1');
return;
} else {
lexer.unput('/*');
lexer.more();
}
}
// helps tokenize actions
bnf.yy.lexAction = function (lexer) {
var ch = lexer.input();
if (ch === '}') {
lexer.yytext = lexer.yytext.substr(2, lexer.yyleng-4).replace(/\}(.|\s)\{\{/, '}$1');
return 'ACTION';
} else {
lexer.unput('{{');
lexer.more();
}
}
Version data entries
7 entries across 7 versions & 1 rubygems