added line parser (doesn't parse anything yet)

pull/7/head
Marc Zinnschlag 15 years ago
parent fda7077cf2
commit 16f6f27a90

@ -68,6 +68,7 @@ source_group(misc FILES ${MISC} ${MISC_HEADER})
set(COMPILER components/compiler/errorhandler.cpp
components/compiler/fileparser.cpp components/compiler/scriptparser.cpp
components/compiler/lineparser.cpp
components/compiler/parser.cpp components/compiler/scanner.cpp
components/compiler/streamerrorhandler.cpp)
file(GLOB COMPILER_HEADER components/compiler/*.hpp)

@ -0,0 +1,43 @@
#include "lineparser.hpp"
#include "scanner.hpp"
namespace Compiler
{
LineParser::LineParser (ErrorHandler& errorHandler, Context& context)
: Parser (errorHandler, context)
{}
bool LineParser::parseInt (int value, const TokenLoc& loc, Scanner& scanner)
{
return Parser::parseInt (value, loc, scanner);
}
bool LineParser::parseFloat (float value, const TokenLoc& loc, Scanner& scanner)
{
return Parser::parseFloat (value, loc, scanner);
}
bool LineParser::parseName (const std::string& name, const TokenLoc& loc,
Scanner& scanner)
{
return Parser::parseName (name, loc, scanner);
}
bool LineParser::parseKeyword (int keyword, const TokenLoc& loc, Scanner& scanner)
{
return Parser::parseKeyword (keyword, loc, scanner);
}
bool LineParser::parseSpecial (int code, const TokenLoc& loc, Scanner& scanner)
{
return Parser::parseSpecial (code, loc, scanner);
}
void LineParser::reset()
{
}
}

@ -0,0 +1,42 @@
#ifndef COMPILER_LINEPARSER_H_INCLUDED
#define COMPILER_LINEPARSER_H_INCLUDED
#include "parser.hpp"
namespace Compiler
{
/// \brief Line parser, to be used in console scripts and as part of ScriptParser
class LineParser : public Parser
{
public:
LineParser (ErrorHandler& errorHandler, Context& context);
virtual bool parseInt (int value, const TokenLoc& loc, Scanner& scanner);
///< Handle an int token.
/// \return fetch another token?
virtual bool parseFloat (float value, const TokenLoc& loc, Scanner& scanner);
///< Handle a float token.
/// \return fetch another token?
virtual bool parseName (const std::string& name, const TokenLoc& loc,
Scanner& scanner);
///< Handle a name token.
/// \return fetch another token?
virtual bool parseKeyword (int keyword, const TokenLoc& loc, Scanner& scanner);
///< Handle a keyword token.
/// \return fetch another token?
virtual bool parseSpecial (int code, const TokenLoc& loc, Scanner& scanner);
///< Handle a special character token.
/// \return fetch another token?
void reset();
///< Reset parser to clean state.
};
}
#endif

@ -56,7 +56,7 @@ namespace Compiler
/// - Default-implementation: Report an error.
virtual bool parseFloat (float value, const TokenLoc& loc, Scanner& scanner);
///< Handle a double token.
///< Handle a float token.
/// \return fetch another token?
///
/// - Default-implementation: Report an error.

@ -6,13 +6,17 @@
namespace Compiler
{
ScriptParser::ScriptParser (ErrorHandler& errorHandler, Context& context, bool end)
: Parser (errorHandler, context), mEnd (end)
: Parser (errorHandler, context), mLineParser (errorHandler, context), mEnd (end)
{}
bool ScriptParser::parseName (const std::string& name, const TokenLoc& loc,
Scanner& scanner)
{
return Parser::parseName (name, loc, scanner);
mLineParser.reset();
if (mLineParser.parseName (name, loc, scanner))
scanner.scan (mLineParser);
return true;
}
bool ScriptParser::parseKeyword (int keyword, const TokenLoc& loc, Scanner& scanner)
@ -22,7 +26,11 @@ namespace Compiler
return false;
}
return Parser::parseKeyword (keyword, loc, scanner);
mLineParser.reset();
if (mLineParser.parseKeyword (keyword, loc, scanner))
scanner.scan (mLineParser);
return true;
}
bool ScriptParser::parseSpecial (int code, const TokenLoc& loc, Scanner& scanner)
@ -30,7 +38,11 @@ namespace Compiler
if (code==Scanner::S_newline) // empty line
return true;
return Parser::parseSpecial (code, loc, scanner);
mLineParser.reset();
if (mLineParser.parseSpecial (code, loc, scanner))
scanner.scan (mLineParser);
return true;
}
void ScriptParser::parseEOF (Scanner& scanner)
@ -41,7 +53,7 @@ namespace Compiler
void ScriptParser::reset()
{
mLineParser.reset();
}
}

@ -2,6 +2,7 @@
#define COMPILER_SCRIPTPARSER_H_INCLUDED
#include "parser.hpp"
#include "lineparser.hpp"
namespace Compiler
{
@ -9,6 +10,7 @@ namespace Compiler
class ScriptParser : public Parser
{
LineParser mLineParser;
bool mEnd;
public:

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