42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
#pragma once
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#include "ast.h"
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#ifdef PASCAL
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#undef PASCAL
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#endif
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class QTextStream;
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struct CConv {
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enum CC_Type {
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UNKNOWN=0,
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C,
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PASCAL
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};
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virtual void processHLI(Function *func, Expr *_exp, iICODE picode)=0;
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//! given return and argument types fill Function's STKFRAME and return locations
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virtual void calculateStackLayout(Function *func)=0;
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virtual void writeComments(QTextStream &)=0;
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static CConv * create(CC_Type v);
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protected:
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};
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struct C_CallingConvention : public CConv {
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virtual void processHLI(Function *func, Expr *_exp, iICODE picode) override;
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virtual void writeComments(QTextStream &) override;
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void calculateStackLayout(Function *func) override;
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private:
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int processCArg(Function *callee, Function *pProc, ICODE *picode, size_t numArgs);
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};
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struct Pascal_CallingConvention : public CConv {
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virtual void processHLI(Function *func, Expr *_exp, iICODE picode) override;
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virtual void writeComments(QTextStream &) override;
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void calculateStackLayout(Function *func) override;
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};
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struct Unknown_CallingConvention : public CConv {
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void processHLI(Function *func, Expr *_exp, iICODE picode) override {}
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void calculateStackLayout(Function *func) override;
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virtual void writeComments(QTextStream &) override;
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};
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