Parser Class Reference

#include <parser.h>

Inheritance diagram for Parser:

Public Member Functions
	Parser (void)
	Parser (std::istream &)
bool	operator() (Token &)
bool	readToken (std::istream &is, Token &t)
bool	readSymbol (std::istream &is, Token &t)
Scanner const *	scan (void) const
void	clear_context ()

Private Types
enum	ParseResult {   tokencontinue, scancontinue, tokencompleted, noopenproc,   endprocexpected, noopenarray, endarrayexpected, unexpectedeof }

Private Member Functions
void	init (std::istream &)

Private Attributes
Scanner *	s
Token	arraytoken
Token	proctoken
TokenStack	ParseStack

Member Enumeration Documentation

enum Parser::ParseResult

private

Enumerator
tokencontinue
scancontinue
tokencompleted
noopenproc
endprocexpected
noopenarray
endarrayexpected
unexpectedeof

Constructor & Destructor Documentation

Parser::Parser

(

void

)

References assert(), init(), and s.

Parser::Parser

(

std::istream &

is

)

References assert(), init(), and s.

Member Function Documentation

void Parser::clear_context ( )

inline

References Scanner::clear_context(), and s.

Referenced by Token_sFunction::execute(), and Symbol_sFunction::execute().

void Parser::init ( std::istream &  is )

private

References arraytoken, and s.

Referenced by Parser().

bool Parser::operator()

(

Token &

t

)

References SLIInterpreter::Arraytype, assert(), Scanner::BeginArraySymbol, Scanner::BeginProcedureSymbol, TokenStack::clear(), Token::contains(), Token::datum(), TokenArrayObj::empty(), endarrayexpected, Scanner::EndArraySymbol, Scanner::EndProcedureSymbol, endprocexpected, Scanner::EndSymbol, Datum::isoftype(), SLIInterpreter::Litproceduretype, Token::move(), noopenarray, noopenproc, ParseStack, TokenStack::pop_move(), Scanner::print_error(), TokenStack::push(), TokenArray::push_back(), TokenStack::push_move(), s, scancontinue, Datum::set_executable(), SLIInterpreter::Symboltype, tokencompleted, tokencontinue, TokenStack::top(), and unexpectedeof.

Referenced by readToken().

bool Parser::readSymbol ( std::istream &  is, Token &  t  )

inline

References s, and Scanner::source().

Referenced by Symbol_sFunction::execute().

bool Parser::readToken ( std::istream &  is, Token &  t  )

inline

References operator()(), s, and Scanner::source().

Referenced by IparsestdinFunction::execute(), ParsestdinFunction::execute(), IparseFunction::execute(), Token_sFunction::execute(), and Token_isFunction::execute().

Scanner const* Parser::scan ( void  ) const

inline

References s.

Referenced by IparsestdinFunction::execute(), ParsestdinFunction::execute(), IparseFunction::execute(), Token_sFunction::execute(), Token_isFunction::execute(), Symbol_sFunction::execute(), and operator<<().

Member Data Documentation

Token Parser::arraytoken

private

Referenced by init().

TokenStack Parser::ParseStack

private

Referenced by operator()().

Token Parser::proctoken

private

Scanner* Parser::s

private

Referenced by clear_context(), init(), operator()(), Parser(), readSymbol(), readToken(), and scan().

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

• parser.h
• parser.cc