javacc-7.0.4.classes.templates.cpp.Token.cc.template Maven / Gradle / Ivy
\#include "Token.h"
#if NAMESPACE
namespace ${NAMESPACE_OPEN}
#fi
/**
* Describes the input token stream.
*/
/**
* An optional attribute value of the Token.
* Tokens which are not used as syntactic sugar will often contain
* meaningful values that will be used later on by the compiler or
* interpreter. This attribute value is often different from the image.
* Any subclass of Token that actually wants to return a non-NULL value can
* override this method as appropriate.
*/
void * Token::getValue() {
return nullptr;
}
/**
* No-argument constructor
*/
Token::Token() :
beginLine(0), beginColumn(0), endLine(0), endColumn(0)
{
this->next = nullptr;
this->specialToken = nullptr;
}
/**
* Constructs a new token for the specified Image.
*/
Token::Token(int kind) :
beginLine(0), beginColumn(0), endLine(0), endColumn(0)
{
this->kind = kind;
this->next = nullptr;
this->specialToken = nullptr;
}
/**
* Constructs a new token for the specified Image and Kind.
*/
Token::Token(int kind, const JJString& image)
: beginLine(0), beginColumn(0), endLine(0), endColumn(0)
{
this->kind = kind;
this->image = image;
this->next = nullptr;
this->specialToken = nullptr;
}
/**
* Returns the image.
*/
const JJString& Token::toString()
{
return image;
}
/**
* Returns a new Token object, by default. However, if you want, you
* can create and return subclass objects based on the value of ofKind.
* Simply add the cases to the switch for all those special cases.
* For example, if you have a subclass of Token called IDToken that
* you want to create if ofKind is ID, simply add something like :
*
* case MyParserConstants.ID : return new IDToken(ofKind, image);
*
* to the following switch statement. Then you can cast matchedToken
* variable to the appropriate type and use sit in your lexical actions.
*/
Token *Token::newToken(int ofKind, const JJString& image)
{
switch(ofKind)
{
default : return new Token(ofKind, image);
}
}
Token *Token::newToken(int ofKind)
{
return newToken(ofKind, JJString());
}
Token::~Token() {
if (specialToken) delete specialToken;
this->kind = 0;
this->next = nullptr;
this->specialToken = nullptr;
}
#if NAMESPACE
${NAMESPACE_CLOSE}
#fi
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