axmol/extensions/Particle3D/PU/CCPUScriptCompiler.h

/****************************************************************************
 Copyright (C) 2013 Henry van Merode. All rights reserved.
 Copyright (c) 2015 Chukong Technologies Inc.
 
 http://www.cocos2d-x.org
 
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 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
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#ifndef __CC_PU_SCRIPT_COMPILER_H__
#define __CC_PU_SCRIPT_COMPILER_H__
#include "base/CCRef.h"
#include "extensions/Particle3D/PU/CCPUScriptParser.h"

NS_CC_BEGIN

/** This enum holds the types of the possible abstract nodes */
enum PUAbstractNodeType
{
    ANT_UNKNOWN,
    ANT_ATOM,
    ANT_OBJECT,
    ANT_PROPERTY,
    ANT_IMPORT,
    ANT_VARIABLE_SET,
    ANT_VARIABLE_ACCESS
};
class PUAbstractNode;
typedef std::list<PUAbstractNode*> PUAbstractNodeList;

class PUAbstractNode
{
public:
    std::string file;
    unsigned int line;
    PUAbstractNodeType type;
    PUAbstractNode *parent;
    Ref *context;
    
    //contextd//
//    Any context; // A holder for translation context data
public:
    PUAbstractNode(PUAbstractNode *ptr):line(0), type(ANT_UNKNOWN), parent(ptr), context(nullptr)
    {


    }
    virtual ~PUAbstractNode(){}
    /// Returns a new AbstractNode which is a replica of this one.
    virtual PUAbstractNode *clone() const = 0;
    /// Returns a string value depending on the type of the AbstractNode.
    virtual std::string getValue() const = 0;
};



/** This specific abstract node represents a script object */
class PUObjectAbstractNode : public PUAbstractNode
{
private:
    std::map<std::string,std::string> _env;
public:
    std::string name, cls;
    std::vector<std::string> bases;
    unsigned int id;
    bool abstract;
    PUAbstractNodeList children;
    PUAbstractNodeList values;
    PUAbstractNodeList overrides; // For use when processing object inheritance and overriding
public:
    PUObjectAbstractNode(PUAbstractNode *ptr);
    virtual ~PUObjectAbstractNode();
    PUAbstractNode *clone() const;
    std::string getValue() const;
    
    
    void addVariable(const std::string &name);
    void setVariable(const std::string &name, const std::string &value);
    std::pair<bool,std::string> getVariable(const std::string &name) const;
    const std::map<std::string,std::string> &getVariables() const;
};

/** This abstract node represents a script property */
class  PUPropertyAbstractNode : public PUAbstractNode
{
public:
    std::string name;
    unsigned int id;
    PUAbstractNodeList values;
public:
    PUPropertyAbstractNode(PUAbstractNode *ptr);
    virtual ~PUPropertyAbstractNode();
    PUAbstractNode *clone() const;
    std::string getValue() const;
};

/** This is an abstract node which cannot be broken down further */
class PUAtomAbstractNode : public PUAbstractNode
{
public:
    std::string value;
    unsigned int id;
public:
    PUAtomAbstractNode(PUAbstractNode *ptr);
    PUAbstractNode *clone() const;
    std::string getValue() const;
private:
    void parseNumber() const;
};

class PUParticleSystem3D;
class PUScriptCompiler
{

private:
    bool compile(const PUConcreteNodeList &nodes, const std::string &file);
    //is it excluded?//
    bool isNameExcluded(const std::string &cls, PUAbstractNode *parent);
    
public:
    typedef std::map<std::string,unsigned int> IdMap;
    
    static PUScriptCompiler* Instance();

    void setParticleSystem3D(PUParticleSystem3D *pu);

    const PUAbstractNodeList* compile(const std::string &file, bool &isFirstCompile);
    
    void convertToAST(const PUConcreteNodeList &nodes,PUAbstractNodeList &aNodes);
    
    std::map<std::string,std::string> env;
    
private:
    PUScriptCompiler();
    virtual ~PUScriptCompiler();

    void visitList(const PUConcreteNodeList &nodes);
    void visit(PUConcreteNode *node);
private:
    
    std::map<std::string, PUAbstractNodeList> _compiledScripts;
    PUAbstractNode *_current;
    PUAbstractNodeList *_nodes;
    PUParticleSystem3D *_PUParticleSystem3D;
};


NS_CC_END

#endif /* defined(__ssaafsdf__CCScriptCompile__) */