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63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
#ifndef INTERPRETER_RUNTIME_H_INCLUDED
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#define INTERPRETER_RUNTIME_H_INCLUDED
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#include <string_view>
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#include <vector>
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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_view 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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