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/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
* $Id$
*/
#include "antlr/LLkParser.h"
#include <iostream>
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif
ANTLR_USING_NAMESPACE(std)
/**An LL(k) parser.
*
* @see antlr.Token
* @see antlr.TokenBuffer
* @see antlr.LL1Parser
*/
// LLkParser(int k_);
LLkParser::LLkParser(const ParserSharedInputState& state, int k_)
: Parser(state), k(k_)
{
}
LLkParser::LLkParser(TokenBuffer& tokenBuf, int k_)
: Parser(tokenBuf), k(k_)
{
}
LLkParser::LLkParser(TokenStream& lexer, int k_)
: Parser(new TokenBuffer(lexer)), k(k_)
{
}
void LLkParser::trace(const char* ee, const char* rname)
{
traceIndent();
cout << ee << rname << ((inputState->guessing>0)?"; [guessing]":"; ");
for (int i = 1; i <= k; i++)
{
if (i != 1) {
cout << ", ";
}
cout << "LA(" << i << ")==";
string temp;
try {
temp = LT(i)->getText().c_str();
}
catch( ANTLRException& ae )
{
temp = "[error: ";
temp += ae.toString();
temp += ']';
}
cout << temp;
}
cout << endl;
}
void LLkParser::traceIn(const char* rname)
{
traceDepth++;
trace("> ",rname);
}
void LLkParser::traceOut(const char* rname)
{
trace("< ",rname);
traceDepth--;
}
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif
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