extensions.hpp

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#ifndef COMPILER_EXTENSIONS_H_INCLUDED
#define COMPILER_EXTENSIONS_H_INCLUDED

#include <string>
#include <map>
#include <vector>

#include <components/interpreter/types.hpp>

namespace Compiler
{
    class Literals;


    typedef std::string ScriptArgs;


    typedef char ScriptReturn;

    class Extensions
    {

            struct Function
            {
                char mReturn;
                ScriptArgs mArguments;
                int mCode;
                int mCodeExplicit;
                int mSegment;
            };

            struct Instruction
            {
                ScriptArgs mArguments;
                int mCode;
                int mCodeExplicit;
                int mSegment;
            };

            int mNextKeywordIndex;
            std::map<std::string, int> mKeywords;
            std::map<int, Function> mFunctions;
            std::map<int, Instruction> mInstructions;

        public:

            Extensions();

            int searchKeyword (const std::string& keyword) const;

            bool isFunction (int keyword, ScriptReturn& returnType, ScriptArgs& argumentType,
                bool& explicitReference) const;

            bool isInstruction (int keyword, ScriptArgs& argumentType,
                bool& explicitReference) const;

            void registerFunction (const std::string& keyword, ScriptReturn returnType,
                const ScriptArgs& argumentType, int code, int codeExplicit = -1);

            void registerInstruction (const std::string& keyword,
                const ScriptArgs& argumentType, int code, int codeExplicit = -1);

            void generateFunctionCode (int keyword, std::vector<Interpreter::Type_Code>& code,
                Literals& literals, const std::string& id, int optionalArguments) const;

            void generateInstructionCode (int keyword, std::vector<Interpreter::Type_Code>& code,
                Literals& literals, const std::string& id, int optionalArguments) const;

            void listKeywords (std::vector<std::string>& keywords) const;
    };
}

#endif