TokenStream Class Reference

Abstract interface for a stream of input tokens. More...

#include <TokenStream.h>

Inheritance diagram for TokenStream:

Collaboration diagram for TokenStream:

Public Member Functions
	TokenStream (const std::string &name)
	Constructor.
virtual	~TokenStream ()
void	putBack (const Token &token)
	Put token back to stream.
virtual Token	readToken ()=0
	Read single token from stream.
const std::string &	getName () const
	Return stream name.
int	getLine () const
	Return line number.

Protected Attributes
std::string	stream_name
int	curr_line
bool	put_back_flag
Token	put_back

Private Member Functions
	TokenStream ()
	TokenStream (const TokenStream &)
void	operator= (const TokenStream &)

Detailed Description

Abstract interface for a stream of input tokens.

Definition at line 30 of file TokenStream.h.

Constructor & Destructor Documentation

TokenStream() [1/3]

TokenStream::TokenStream

(

const std::string &

name

)

Constructor.

Definition at line 28 of file TokenStream.cpp.

~TokenStream()

TokenStream::~TokenStream ( )

virtual

Definition at line 31 of file TokenStream.cpp.

TokenStream() [2/3]

TokenStream::TokenStream ( )

private

TokenStream() [3/3]

TokenStream::TokenStream ( const TokenStream &  )

private

Member Function Documentation

getLine()

int TokenStream::getLine

(

)

const

Return line number.

Definition at line 42 of file TokenStream.cpp.

References curr_line.

getName()

const std::string & TokenStream::getName

(

)

const

Return stream name.

Definition at line 44 of file TokenStream.cpp.

References stream_name.

operator=()

void TokenStream::operator= ( const TokenStream &  )

private

putBack()

void TokenStream::putBack

(

const Token &

token

)

Put token back to stream.

Definition at line 33 of file TokenStream.cpp.

References put_back, and put_back_flag.

Referenced by IfStatement::IfStatement().

readToken()

virtual Token TokenStream::readToken ( )

pure virtual

Read single token from stream.

Implemented in AbsFileStream, MacroStream, and StringStream.

Referenced by CompoundStatement::CompoundStatement(), IfStatement::IfStatement(), SequenceTemplate::parseTemplate(), OpalParser::readStatement(), and WhileStatement::WhileStatement().

Member Data Documentation

curr_line

int TokenStream::curr_line

protected

Definition at line 56 of file TokenStream.h.

Referenced by FileStream::fillLine(), getLine(), AbsFileStream::readNumber(), AbsFileStream::readString(), AbsFileStream::readToken(), StringStream::readToken(), and AbsFileStream::readWord().

put_back

Token TokenStream::put_back

protected

Definition at line 60 of file TokenStream.h.

Referenced by putBack(), AbsFileStream::readToken(), MacroStream::readToken(), and StringStream::readToken().

put_back_flag

bool TokenStream::put_back_flag

protected

Definition at line 59 of file TokenStream.h.

Referenced by putBack(), AbsFileStream::readToken(), MacroStream::readToken(), StringStream::readToken(), and MacroStream::start().

stream_name

std::string TokenStream::stream_name

protected

Definition at line 53 of file TokenStream.h.

Referenced by FileStream::fillLine(), getName(), AbsFileStream::readNumber(), AbsFileStream::readString(), AbsFileStream::readToken(), MacroStream::readToken(), StringStream::readToken(), and AbsFileStream::readWord().

---

The documentation for this class was generated from the following files:

• TokenStream.h
• TokenStream.cpp