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