Code coverage report for src/lexer/tokens.js

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/*!
 * Copyright (C) 2017 Glayzzle (BSD3 License)
 * @authors https://github.com/glayzzle/php-parser/graphs/contributors
 * @url http://glayzzle.com
 */
module.exports = {
  T_STRING: function() {
    var token = this.yytext.toLowerCase();
    var id = this.keywords[token];
    if (!id) {
      if (token === 'yield') {
        if (this.tryMatch(' from')) {
          this.consume(5);
          id = this.tok.T_YIELD_FROM;
        } else {
          id = this.tok.T_YIELD;
        }
      } else {
        id = this.tok.T_STRING;
        if (token === 'b' || token === 'B') {
          var ch = this.input(1);
          if (ch === '"') {
            return this.ST_DOUBLE_QUOTES();
          } else if (ch === '\'') {
            return this.T_CONSTANT_ENCAPSED_STRING();
          } else Eif (ch) {
            this.unput(1);
          }
        }
      }
    }
    return id;
  },
  // reads a custom token
  consume_TOKEN: function() {
    var ch = this._input[this.offset - 1];
    var fn = this.tokenTerminals[ch];
    if (fn) {
      return fn.apply(this, []);
    } else {
      return this.yytext;
    }
  },
  // list of special char tokens
  tokenTerminals: {
    '$': function() {
      this.offset++;
      if (this.is_LABEL_START()) {
        this.offset--;
        this.consume_LABEL();
        return this.tok.T_VARIABLE;
      } else {
        this.offset--;
        return '$';
      }
    },
    '-': function() {
      var nchar = this._input[this.offset];
      if (nchar === '>') {
        this.begin('ST_LOOKING_FOR_PROPERTY').input();
        return this.tok.T_OBJECT_OPERATOR;
      } else if (nchar === '-') {
        this.input();
        return this.tok.T_DEC;
      } else if (nchar === '=') {
        this.input();
        return this.tok.T_MINUS_EQUAL;
      }
      return '-';
    },
    '\\': function() {
      return this.tok.T_NS_SEPARATOR;
    },
    '/': function() {
      if (this._input[this.offset] === '=') {
        this.input();
        return this.tok.T_DIV_EQUAL;
      }
      return '/';
    },
    ':': function() {
      if (this._input[this.offset] === ':') {
        this.input();
        return this.tok.T_DOUBLE_COLON;
      } else {
        return ':';
      }
    },
    '(': function() {
      var initial = this.offset;
      this.input();
      Iif (this.is_TABSPACE()) {
        this.consume_TABSPACE().input();
      }
      if (this.is_LABEL_START()) {
        var yylen = this.yytext.length;
        this.consume_LABEL();
        var castToken = this.yytext.substring(yylen - 1).toLowerCase();
        var castId = this.castKeywords[castToken];
        if (castId) {
          this.input();
          if (this.is_TABSPACE()) {
            this.consume_TABSPACE().input();
          }
          if (this._input[this.offset - 1] === ')') {
            return castId;
          }
        }
      }
      // revert the check
      this.unput(this.offset - initial);
      return '(';
    },
    '=': function() {
      var nchar = this._input[this.offset];
      if (nchar === '>') {
        this.input();
        return this.tok.T_DOUBLE_ARROW;
      } else if (nchar === '=') {
        if (this._input[this.offset + 1] === '=') {
          this.consume(2);
          return this.tok.T_IS_IDENTICAL;
        } else {
          this.input();
          return this.tok.T_IS_EQUAL;
        }
      }
      return '=';
    },
    '+': function() {
      var nchar = this._input[this.offset];
      if (nchar === '+') {
        this.input();
        return this.tok.T_INC;
      } else if (nchar === '=') {
        this.input();
        return this.tok.T_PLUS_EQUAL;
      }
      return '+';
    },
    '!': function() {
      if (this._input[this.offset] === '=') {
        if (this._input[this.offset + 1] === '=') {
          this.consume(2);
          return this.tok.T_IS_NOT_IDENTICAL;
        } else {
          this.input();
          return this.tok.T_IS_NOT_EQUAL;
        }
      }
      return '!';
    },
    '?': function() {
      if (this._input[this.offset] === '?') {
        this.input();
        return this.tok.T_COALESCE;
      }
      return '?';
    },
    '<': function() {
      var nchar = this._input[this.offset];
      if (nchar === '<') {
        nchar = this._input[this.offset + 1];
        if (nchar === '=') {
          this.consume(2);
          return this.tok.T_SL_EQUAL;
        } else if (nchar === '<') {
          Eif (this.is_HEREDOC()) {
            return this.tok.T_START_HEREDOC;
          }
        }
        this.input();
        return this.tok.T_SL;
      } else if (nchar === '=') {
        this.input();
        if (this._input[this.offset] === '>') {
          this.input();
          return this.tok.T_SPACESHIP;
        } else {
          return this.tok.T_IS_SMALLER_OR_EQUAL;
        }
      } else Iif (nchar === '>') {
        this.input();
        return this.tok.T_IS_NOT_EQUAL;
      }
      return '<';
    },
    '>': function() {
      var nchar = this._input[this.offset];
      if (nchar === '=') {
        this.input();
        return this.tok.T_IS_GREATER_OR_EQUAL;
      } else if (nchar === '>') {
        nchar = this._input[this.offset + 1];
        if (nchar === '=') {
          this.consume(2);
          return this.tok.T_SR_EQUAL;
        } else {
          this.input();
          return this.tok.T_SR;
        }
      }
      return '>';
    },
    '*': function() {
      var nchar = this._input[this.offset];
      if (nchar === '=') {
        this.input();
        return this.tok.T_MUL_EQUAL;
      } else if(nchar === '*') {
        this.input();
        if (this._input[this.offset] === '=') {
          this.input();
          return this.tok.T_POW_EQUAL;
        } else {
          return this.tok.T_POW;
        }
      }
      return '*';
    },
    '.': function() {
      var nchar = this._input[this.offset];
      if (nchar === '=') {
        this.input();
        return this.tok.T_CONCAT_EQUAL;
      } else if (nchar === '.' && this._input[this.offset + 1] === '.') {
        this.consume(2);
        return this.tok.T_ELLIPSIS;
      }
      return '.';
    },
    '%': function() {
      if (this._input[this.offset] === '=') {
        this.input();
        return this.tok.T_MOD_EQUAL;
      }
      return '%';
    },
    '&': function() {
      var nchar = this._input[this.offset];
      if (nchar === '=') {
        this.input();
        return this.tok.T_AND_EQUAL;
      } else if (nchar === '&') {
        this.input();
        return this.tok.T_BOOLEAN_AND;
      }
      return '&';
    },
    '|': function() {
      var nchar = this._input[this.offset];
      if (nchar === '=') {
        this.input();
        return this.tok.T_OR_EQUAL;
      } else if (nchar === '|') {
        this.input();
        return this.tok.T_BOOLEAN_OR;
      }
      return '|';
    },
    '^': function() {
      if (this._input[this.offset] === '=') {
        this.input();
        return this.tok.T_XOR_EQUAL;
      }
      return '^';
    }
  }
};