Application: gvSIG desktop

package org.gvsig.expressionevaluator;

import org.gvsig.tools.lang.Cloneable;

public interface LexicalAnalyzer extends Cloneable {

    public interface Token extends Cloneable {

        public static final int EOF = -1;

        public static final int IDENTIFIER = 0;

        public static final int STRING_LITERAL = 1;

        public static final int INTEGER_LITERAL = 2;

        public static final int FLOATING_POINT_LITERAL = 3;

        public static final int NULL = 4;

        public static final int TRUE = 5;

        public static final int FALSE = 6;

        public static final int OP_NOT = 9;

        public static final int OP_ADD = 10;

        public static final int OP_SUBST = 11;

        public static final int OP_MULT = 12;

        public static final int OP_DIV = 13;

        public static final int OP_MOD = 14;

        public static final int OP_REGEXP = 15;

        public static final int OP_LT = 16;

        public static final int OP_GT = 17;

        public static final int OP_LE = 18;

        public static final int OP_GE = 19;

        public static final int OP_EQ = 20;

        public static final int OP_NE = 21;

        public static final int PRED_BETWEEN = 22;

        public static final int PRED_LIKE = 23;

        public static final int PRED_ILIKE = 24;

        public static final int PRED_IS = 25;

        public static final int OP_OR = 26;

        public static final int OP_AND = 27;

        public static final int ISNULL = 28;

        public static final int NOTNULL = 29;

        public static final int PARENTHESIS_OPEN = 30;

        public static final int PARENTHESIS_CLOSE = 31;

        public static final int COMA = 32;

        public static final int OP_GETATTR = 33;

        public static final int CHAR = 34;

        public static final int OP_CONCAT = 35;

        public static final int OPEN_BRACKET = 36;

        public static final int CLOSED_BRACKET = 37;

        public static final int ASSIGNMENT = 38;

        public static final int ARGUMENT_ASSIGNMENT = 39;

        public static final int COLON = 40;

        public static final int BEGIN_$CONSTANT = 41;

        public static final int END_$CONSTANT = 42;

        public static final int PRED_IN = 43;

        @Override

        public Token clone() throws CloneNotSupportedException;

        public void set(int type, String literal);

        public void set(int type, String literal, Object value);

        public int getType();

        public Object getValue();

        public String getLiteral();

        public void setLiteral(String value);

        public boolean is(String... value);

    }

    public void setSource(String source);

    public Token look();

    public Token next();

    @Override

    public LexicalAnalyzer clone() throws CloneNotSupportedException;

    public boolean isEOF();

    public int getPosition(); 

    public int getMaxPosition(); 

    public int getLine();

    public int getMaxLine(); 

    public int getColumn();

    public int getMaxColumn();

    public String getSource();

    public void setUseBracketsForIdentifiers(boolean useBracketsForIdentifiers);

    public boolean getUseBracketsForIdentifiers();

    public String getSourceContext(); 

    public void save_state();

    public void restore_state();

    public void drop_state();

}