#include	"global.h"
#include	"source.h"
#include	"lex.h"
#include	"list.h"
#include	"parser.h"

// The member function mustBe() anticipates the current symbol to be
// sym.  Where this is not the case, it reports the expected condition.

void Parser::mustBe(symbols sym)
{
	if (symbol() != sym)
		error(ERROR, "%s:%d: %s expected\n",
				fileName(), currentLine(), Lexer::symbolSpelling[sym]);
//		error(ERROR, "%^ %s expected\n",
//				position(), Lexer::symbolSpelling[sym]);
}

// The member function expect() anticipates the current symbol to be sym
// and advances to the next symbol.  Where this is not the case, it
// reports the expected condition via mustBe().

void Parser::expect(symbols sym)
{
	mustBe(sym);
	nextSymbol();
}

// The member function parseError() reports the error message with
// respect to the current position.

void Parser::parseError(char *message)
{
	//error(ERROR, "%^ %s\n", position(), message);
	error(ERROR, "%s:%d: %s\n", fileName(), currentLine(), message);
}