Package com.googlecode.aviator.lexer

Class ExpressionLexer

  • public class ExpressionLexer
extends java.lang.Object
    Expression Lexer,scan tokens from string

    • Field Detail

      • peek

        private char peek

      • iterator

        private final java.text.CharacterIterator iterator

      • lineNo

        private int lineNo

      • tokenBuffer

        private java.util.LinkedList<Token<?>> tokenBuffer

      • expression

        private final java.lang.String expression

      • mathContext

        private final java.math.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

    • Method Detail

      • 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 java.lang.String getScanString()

      • getBigNumberLexeme

        private java.lang.String getBigNumberLexeme​(java.lang.StringBuilder sb)

      • isBinaryOP

        public static boolean isBinaryOP​(char ch)