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65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#ifndef INTERPRETER_RUNTIME_H_INCLUDED
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#define INTERPRETER_RUNTIME_H_INCLUDED
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#include <vector>
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#include <string>
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#include "types.hpp"
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namespace Interpreter
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{
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class Context;
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/// Runtime data and engine interface
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class Runtime
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{
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Context *mContext;
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const Type_Code *mCode;
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int mCodeSize;
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int mPC;
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std::vector<Data> mStack;
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public:
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Runtime ();
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int getPC() const;
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///< return program counter.
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int getIntegerLiteral (int index) const;
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float getFloatLiteral (int index) const;
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std::string getStringLiteral (int index) const;
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void configure (const Type_Code *code, int codeSize, Context& context);
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///< \a context and \a code must exist as least until either configure, clear or
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/// the destructor is called. \a codeSize is given in 32-bit words.
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void clear();
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void setPC (int PC);
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///< set program counter.
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void push (const Data& data);
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///< push data on stack
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void push (Type_Integer value);
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///< push integer data on stack.
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void push (Type_Float value);
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///< push float data on stack.
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void pop();
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///< pop stack
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Data& operator[] (int Index);
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///< Access stack member, counted from the top.
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Context& getContext();
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};
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}
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#endif
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