me.jaimegarza.syntax

Interface Lexer

All Known Implementing Classes:

AbstractCodeParser, SyntaxCodeParser

public interface Lexer

Routines implemented by the lexer. The lexer is the unit that breaks the input stream as a series of tokens.

Author:

jgarza

Method Summary

Modifier and Type	Method and Description
char	getCurrentCharacter() Do not get the next character character.
char	getNextCharacter() Get one character.
int	getNormalSymbol() Standard tokens.
void	ungetChar(char c) Reverse one character.

Method Detail

getNextCharacter

char getNextCharacter()

Get one character. Place it in currentChar

Returns:

the character

getCurrentCharacter

char getCurrentCharacter()

Do not get the next character character. Just return the current char

Returns:

the character

ungetChar

void ungetChar(char c)

Reverse one character. Place it in RuntimeData.currentCharacter

Parameters:

c - is the character to unget

getNormalSymbol

int getNormalSymbol()

Standard tokens. This routine deals with the parser type of symbols

Returns:

next token