coins.cfront
Class Lex

java.lang.Object
  coins.cfront.Lex

All Implemented Interfaces:

TokenId, TypeId

Direct Known Subclasses:

GccLex

public class Lex

extends java.lang.Object

implements TokenId, TypeId

Lexical analyzer.

Field Summary

(package private) Debug	debug
(package private) Message	error
int	fDbgLevel
(package private) IoRoot	ioRoot
(package private) Parser	parser
(package private) Message	warning

Fields inherited from interface coins.ast.TokenId

AND_E, ANDAND, ARROW, ASM, AUTO, BAD_TOKEN, BREAK, CASE, CAST_OP, CHAR, CHAR_CONST, COND_OP, CONST, CONTINUE, DEFAULT, DIV_E, DO, DOUBLE, DOUBLE_CONST, ELLIPSIS, ELSE, ENUM, EOF, EQ, EXOR_E, EXTERN, FLOAT, FLOAT_CONST, FOR, FUNCALL, GE, GOTO, IDENTIFIER, IF, IGNORE, INDEX_OP, INLINE, INT, INT_CONST, LE, LONG, LONG_CONST, LONG_DOUBLE_CONST, LONGLONG_CONST, LSHIFT, LSHIFT_E, MINUS_E, MINUSMINUS, MOD_E, MUL_E, MUTABLE, NEQ, OR_E, OROR, PLUS_E, PLUSPLUS, PRAGMA, REGISTER, RESTRICT, RETURN, RSHIFT, RSHIFT_E, SHORT, SIGNED, SIZEOF, SKIP_GCC_ASM, SKIP_GCC_ATTRIBUTE, STATIC, STRING_L, STRING_WL, STRUCT, SWITCH, TYPEDEF, TYPEDEF_NAME, UINT_CONST, ULONG_CONST, ULONGLONG_CONST, UNION, UNSIGNED, VOID, VOLATILE, WHILE

Fields inherited from interface coins.ast.TypeId

ARRAY_T, CHAR_T, CONST_T, DOUBLE_T, ELLIPSIS_T, ENUM_BEGIN, ENUM_END, FLOAT_T, FUNCTION_T, INT_T, LONG_DOUBLE_T, LONG_LONG_T, LONG_T, NO_DIMENSION_T, OFFSET_T, POINTER_T, RESTRICT_T, RETURN_T, S_AUTO, S_EXTERN, S_INLINE, S_NONE, S_REGISTER, S_STATIC, SHORT_T, SIGNED_T, SIZE_T, STRUCT_BEGIN, STRUCT_END, UNION_BEGIN, UNION_END, UNSIGNED_T, VOID_T, VOLATILE_T

Constructor Summary

Lex(IoRoot ioroot, java.io.InputStream s)
Constructs a lexical analyzer.

Method Summary

protected int	checkExtendedKeywords(java.lang.StringBuffer sbuf)
int	get()
double	getDouble()
java.lang.String	getFileName()
int	getLineNumber()
long	getLong()
java.lang.String	getString()
java.lang.StringBuffer	getTextBuffer()
boolean	isType(int pTokenId)
int	lookAhead() Looks at the next token.
int	lookAhead(int i) Looks at the n-th token.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ioRoot

final IoRoot ioRoot

debug

final Debug debug

warning

final Message warning

error

final Message error

parser

Parser parser

fDbgLevel

public final int fDbgLevel

Constructor Detail

Lex

public Lex(IoRoot ioroot,
           java.io.InputStream s)

Constructs a lexical analyzer.

Method Detail

get

public int get()
        throws java.io.IOException

Throws:

java.io.IOException

lookAhead

public int lookAhead()
              throws java.io.IOException

Looks at the next token.

Throws:

java.io.IOException

lookAhead

public int lookAhead(int i)
              throws java.io.IOException

Looks at the n-th token.

Parameters:

i - equal to or more than zero

Throws:

java.io.IOException

getLineNumber

public int getLineNumber()

getFileName

public java.lang.String getFileName()

getString

public java.lang.String getString()

getLong

public long getLong()

getDouble

public double getDouble()

isType

public boolean isType(int pTokenId)

getTextBuffer

public java.lang.StringBuffer getTextBuffer()

checkExtendedKeywords

protected int checkExtendedKeywords(java.lang.StringBuffer sbuf)