Class ExpressionLexer

java.lang.Object
com.googlecode.aviator.lexer.ExpressionLexer
public class ExpressionLexer extends Object
Expression Lexer,scan tokens from string

  • Field Details

    • OVERFLOW_FLAG

      private static final long OVERFLOW_FLAG
      See Also:

    • OVERFLOW_SINGLE

      private static final long OVERFLOW_SINGLE
      See Also:

    • peek

      private char peek

    • iterator

      private final CharacterIterator iterator

    • lineNo

      private int lineNo

    • symbolTable

      private final SymbolTable symbolTable

    • tokenBuffer

      private LinkedList<Token<?>> tokenBuffer

    • instance

      private final AviatorEvaluatorInstance instance

    • expression

      private final String expression

    • mathContext

      private final MathContext mathContext

    • parseFloatIntoDecimal

      private final boolean parseFloatIntoDecimal

    • parseIntegralNumberIntoDecimal

      private final boolean parseIntegralNumberIntoDecimal

    • VALID_HEX_CHAR

      static final char[] VALID_HEX_CHAR

    • OPS

      static final char[] OPS

  • Constructor Details

  • Method Details

    • getSymbolTable

      public SymbolTable getSymbolTable()

    • setLineNo

      public void setLineNo(int lineNo)

    • getLineNo

      public int getLineNo()

    • pushback

      public void pushback(Token<?> token)
      Push back token
      Parameters:
      token -

    • scan

      public Token<?> scan()

    • nextChar

      public void nextChar()

    • prevChar

      public void prevChar()

    • isValidHexChar

      public boolean isValidHexChar(char ch)

    • getCurrentIndex

      public int getCurrentIndex()

    • scan

      public Token<?> scan(boolean analyse)

    • getScanString

      public String getScanString()

    • getBigNumberLexeme

      private String getBigNumberLexeme(StringBuilder sb)

    • isBinaryOP

      public static boolean isBinaryOP(char ch)