94 lines
2.5 KiB
Plaintext
94 lines
2.5 KiB
Plaintext
%name Parser
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%token_prefix TOKEN_
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%left OR.
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%left AND.
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%right NOT.
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%include {
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// include something
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}
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%code {
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var _result = {
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error: false
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};
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var LemonJS = function(_input) {
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_result = Object.create(null);
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var parser = new Parser();
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var lexer = new Lexer(_input);
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var token;
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var lexemes = [];
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while (token = lexer.next()) {
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switch(token.error){
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case 0:
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console.log("PARSE", token.lexeme);
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parser.parse(parser["TOKEN_" + token.lexeme], token);
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lexemes.push(token);
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break;
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case -2:
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// end of search
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// do nothing
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break;
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case -1:
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// empty string or not found any lexemes
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// do nothing
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break;
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case 1:
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return {
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success: false,
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message: "Found unknown symbol on position",
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error: 1,
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token: token
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};
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case 2:
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return {
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success: false,
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message: "Not found close quote",
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error: 2,
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token: token
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};
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case 3:
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return {
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success: false,
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message: "Unexpected symbol in oid structure",
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error: 3,
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token: token
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};
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case 4:
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return {
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success: false,
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message: "Not found close bracket for Oid",
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error: 3,
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token: token
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};
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}
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if(_result.error) {
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return {
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success: false,
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message: "Syntax error",
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error: 0
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}
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}
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}
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parser.parse();
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if (_result.root_node !== undefined) {
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return {
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success: true,
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tree: _result.root_node,
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lexemes: lexemes
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};
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} else {
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return { success: false }
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}
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};
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}
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%syntax_error {
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_result.error = "true";
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console.log("Syntax error");
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}
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&&REPLACER{rules.y}&& |