170 lines
4.7 KiB
C++
170 lines
4.7 KiB
C++
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// File to automatically generate a typemask for a function
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// Will generate type masks that accepts Instance pointer or null
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#ifndef SQPLUS_ACCEPT_NULL_INSTANCE
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#define SQPLUS_ACCEPT_NULL_INSTANCE
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#endif
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// Macros to reduce typing: (P1), (P1,P2), (P1,P2,P3), ...
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#define P_0
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#define P_1 P1
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#define P_2 P_1,P2
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#define P_3 P_2,P3
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#define P_4 P_3,P4
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#define P_5 P_4,P5
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#define P_6 P_5,P6
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#define P_7 P_6,P7
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// Macros to reduce typing: (typename P1), (typename P1,typename P2), ...
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#define PTN_0
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#define PTN_1 typename P1
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#define PTN_2 PTN_1,typename P2
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#define PTN_3 PTN_2,typename P3
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#define PTN_4 PTN_3,typename P4
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#define PTN_5 PTN_4,typename P5
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#define PTN_6 PTN_5,typename P6
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#define PTN_7 PTN_6,typename P7
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// Include a comma first in list: ,typename P1,typename P2
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#define PTNC_0
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#define PTNC_1 ,PTN_1
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#define PTNC_2 ,PTN_2
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#define PTNC_3 ,PTN_3
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#define PTNC_4 ,PTN_4
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#define PTNC_5 ,PTN_5
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#define PTNC_6 ,PTN_6
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#define PTNC_7 ,PTN_7
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#ifdef SQUNICODE
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#define scstrcpy wcscpy
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#else
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#define scstrcpy strcpy
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#endif
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inline const SQChar* strappchar(SQChar *buf, SQChar *in, SQChar ch){
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int l=scstrlen(in);
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scstrcpy(buf,in);
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buf[l] = ch;
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#ifdef SQPLUS_ACCEPT_NULL_INSTANCE
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if( ch=='x' ){
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buf[++l] = '|'; // Also accept NULL pointers
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buf[++l] = 'o';
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}
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#endif
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buf[l+1] = 0;
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return buf;
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}
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template<class T>
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struct sqTypeMask { };
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// Return type not included in type mask, delegate to void case
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// Base case, no arguments
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template<typename RT>
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struct sqTypeMask<RT(*)()> {
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static const SQChar *Get(){
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static SQChar buf[64];
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//buf[0] = _SC('t');
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//buf[1] = 0;
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//strcpy(buf,"t|x"); // Accept both instance and table, we don't use param anyway
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buf[0] = _SC('.'); // Accept anything (not used)
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buf[1] = 0;
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return buf;
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}
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};
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// Recursive case, peel of one arg at each level
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#define DECLARE_RT_SQTYPEMASK(N,M) \
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template<typename RT PTNC_##N> \
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struct sqTypeMask<RT(*)(P_##N)> { \
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static const SQChar *Get(){ \
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static SQChar buf[10]; \
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return strappchar(buf, (SQChar*)sqTypeMask<RT(*)(P_##M)>::Get(), \
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(SQChar)TypeInfo<P##N>::TypeMask); \
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} \
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};
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DECLARE_RT_SQTYPEMASK(1,0)
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DECLARE_RT_SQTYPEMASK(2,1)
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DECLARE_RT_SQTYPEMASK(3,2)
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DECLARE_RT_SQTYPEMASK(4,3)
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DECLARE_RT_SQTYPEMASK(5,4)
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DECLARE_RT_SQTYPEMASK(6,5)
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DECLARE_RT_SQTYPEMASK(7,6)
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// Difference to above is that 1st param is instance instead of table
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#define DECLARE_RT_MEMBER_SQTYPEMASK(N,QUAL) \
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template<typename Callee, typename RT PTNC_##N> \
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struct sqTypeMask<RT(Callee::*)(P_##N) QUAL> { \
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static const SQChar *Get(){ \
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SQChar *buf = (SQChar*)sqTypeMask<RT(*)(P_##N)>::Get(); \
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buf[0] = _SC('x'); \
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return buf; \
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} \
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};
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// buf[1] = 0; \
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DECLARE_RT_MEMBER_SQTYPEMASK(0,)
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DECLARE_RT_MEMBER_SQTYPEMASK(1,)
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DECLARE_RT_MEMBER_SQTYPEMASK(2,)
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DECLARE_RT_MEMBER_SQTYPEMASK(3,)
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DECLARE_RT_MEMBER_SQTYPEMASK(4,)
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DECLARE_RT_MEMBER_SQTYPEMASK(5,)
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DECLARE_RT_MEMBER_SQTYPEMASK(6,)
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DECLARE_RT_MEMBER_SQTYPEMASK(7,)
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DECLARE_RT_MEMBER_SQTYPEMASK(0,const)
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DECLARE_RT_MEMBER_SQTYPEMASK(1,const)
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DECLARE_RT_MEMBER_SQTYPEMASK(2,const)
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DECLARE_RT_MEMBER_SQTYPEMASK(3,const)
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DECLARE_RT_MEMBER_SQTYPEMASK(4,const)
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DECLARE_RT_MEMBER_SQTYPEMASK(5,const)
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DECLARE_RT_MEMBER_SQTYPEMASK(6,const)
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DECLARE_RT_MEMBER_SQTYPEMASK(7,const)
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#ifdef _MSC_VER
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// Difference to above is we're using __cdecl calling convention here
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// Only makes sense for MSVC where member functions can have different
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// calling conventions (__cdecl or __thiscall)
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#define DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(N,QUAL) \
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template<typename Callee, typename RT PTNC_##N> \
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struct sqTypeMask<RT(__cdecl Callee::*)(P_##N) QUAL> { \
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static const SQChar *Get(){ \
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SQChar *buf = (SQChar*)sqTypeMask<RT(*)(P_##N)>::Get(); \
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buf[0] = _SC('x'); \
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return buf; \
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} \
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};
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// buf[1] = 0; \
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(0,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(1,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(2,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(3,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(4,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(5,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(6,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(7,)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(0,const)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(1,const)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(2,const)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(3,const)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(4,const)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(5,const)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(6,const)
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DECLARE_RT_MEMBER_SQTYPEMASK_CDECL(7,const)
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#endif // _MSC_VER
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