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AngelScript 2.28.0
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@viciious
viciious committed Nov 3, 2013
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581 changes: 581 additions & 0 deletions libsrcs/angelscript/sdk/add_on/autowrapper/aswrappedcall.h
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166 changes: 166 additions & 0 deletions libsrcs/angelscript/sdk/add_on/autowrapper/generator/generateheader.cpp
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//
// This generator creates a header file that implements automatic
// wrapper functions for the generic calling convention.
//
// Originally implemented by George Yohng from 4Front Technologies in 2009-03-11
// Modifications by Pierre Fortin in order to add constructor wrapper generation
//
// A completely new implementation of automatic wrapper functions was
// implemented by SiCrane at GameDev.net in 2011-12-18. The generator was
// adapted from Python to C++ by Andreas.
//
// ref: http://www.gamedev.net/topic/617111-more-angelscript-binding-wrappers/
//


#include <stdio.h>
#include <string>

// Generate templates for up to this number of function parameters
const int max_args = 4;

using namespace std;

void PrintTemplate(const char *base, const char *typeNameList, const char *retType, const char *objType, const char *isConst, const char *newExpr, const char *objExpr, const char *argList1, const char *argList2, const char *wrapName);
void PrintConstructor(const char *comma, const char *typeNameList, const char *typeList, const char *argList);

int main()
{
printf("#ifndef AS_GEN_WRAPPER_H\n"
"#define AS_GEN_WRAPPER_H\n"
"\n"
"#ifndef ANGELSCRIPT_H\n"
"// Avoid having to inform include path if header is already include before\n"
"#include <angelscript.h>\n"
"#endif\n"
"#include <new>\n"
"\n"
"namespace gw {\n"
"\n"
"template <typename T> class Proxy {\n"
" public:\n"
" T value;\n"
" Proxy(T value) : value(value) {}\n"
" static T cast(void * ptr) {\n"
" return reinterpret_cast<Proxy<T> *>(&ptr)->value;\n"
" }\n"
" private:\n"
" Proxy(const Proxy &);\n"
" Proxy & operator=(const Proxy &);\n"
"};\n"
"\n"
"template <typename T> struct Wrapper {};\n"
"template <typename T> struct ObjFirst {};\n"
"template <typename T> struct ObjLast {};\n"
"template <typename T> struct Constructor {};\n"
"\n"
"template <typename T>\n"
"void destroy(asIScriptGeneric * gen) {\n"
" static_cast<T *>(gen->GetObject())->~T();\n"
"}\n");

string typename_list = "typename A0";
string type_list = "A0";
string arg_list = "\n static_cast<Proxy <A0> *>(gen->GetAddressOfArg(0))->value";
string new_exp = "new (gen->GetAddressOfReturnLocation()) Proxy<R>";
string obj_exp = "static_cast<T *>(gen->GetObject())->*";
string obj_arg_exp = "\n Proxy<T>::cast(gen->GetObject())";

PrintTemplate("", "", "void", "", "", "", "", "void", "", "Wrapper");
PrintTemplate("typename R", "", "R", "", "", new_exp.c_str(), "", "void", "", "Wrapper");
PrintTemplate("typename T", "", "void", "T::", "", "", obj_exp.c_str(), "void", "", "Wrapper");
PrintTemplate("typename T, typename R", "", "R", "T::", "", new_exp.c_str(), obj_exp.c_str(), "void", "", "Wrapper");
PrintTemplate("typename T", "", "void", "T::", " const", "", obj_exp.c_str(), "void", "", "Wrapper");
PrintTemplate("typename T, typename R", "", "R", "T::", " const", new_exp.c_str(), obj_exp.c_str(), "void", "", "Wrapper");

PrintTemplate("typename T", "", "void", "", "", "", "", "T", obj_arg_exp.c_str(), "ObjFirst");
PrintTemplate("typename T, typename R", "", "R", "", "", new_exp.c_str(), "", "T", obj_arg_exp.c_str(), "ObjFirst");
PrintTemplate("typename T", "", "void", "", "", "", "", "T", obj_arg_exp.c_str(), "ObjLast");
PrintTemplate("typename T, typename R", "", "R", "", "", new_exp.c_str(), "", "T", obj_arg_exp.c_str(), "ObjLast");

PrintConstructor("", "", "", "");

for( int i = 0; i < max_args; i++ )
{
PrintTemplate("", typename_list.c_str(), "void", "", "", "", "", type_list.c_str(), arg_list.c_str(), "Wrapper");
PrintTemplate("typename R, ", typename_list.c_str(), "R", "", "", new_exp.c_str(), "", type_list.c_str(), arg_list.c_str(), "Wrapper");
PrintTemplate("typename T, ", typename_list.c_str(), "void", "T::", "", "", obj_exp.c_str(), type_list.c_str(), arg_list.c_str(), "Wrapper");
PrintTemplate("typename T, typename R, ", typename_list.c_str(), "R", "T::", "", new_exp.c_str(), obj_exp.c_str(), type_list.c_str(), arg_list.c_str(), "Wrapper");
PrintTemplate("typename T, ", typename_list.c_str(), "void", "T::", " const", "", obj_exp.c_str(), type_list.c_str(), arg_list.c_str(), "Wrapper");
PrintTemplate("typename T, typename R, ", typename_list.c_str(), "R", "T::", " const", new_exp.c_str(), obj_exp.c_str(), type_list.c_str(), arg_list.c_str(), "Wrapper");

PrintTemplate("typename T, ", typename_list.c_str(), "void", "", "", "", "", ("T, " + type_list).c_str(), (obj_arg_exp + "," + arg_list).c_str(), "ObjFirst");
PrintTemplate("typename T, typename R, ", typename_list.c_str(), "R", "", "", new_exp.c_str(), "", ("T, " + type_list).c_str(), (obj_arg_exp + "," + arg_list).c_str(), "ObjFirst");
PrintTemplate("typename T, ", typename_list.c_str(), "void", "", "", "", "", (type_list + ", T").c_str(), (arg_list + "," + obj_arg_exp).c_str(), "ObjLast");
PrintTemplate("typename T, typename R, ", typename_list.c_str(), "R", "", "", new_exp.c_str(), "", (type_list + ", T").c_str(), (arg_list + "," + obj_arg_exp).c_str(), "ObjLast");

PrintConstructor(", ", typename_list.c_str(), type_list.c_str(), arg_list.c_str());

char buf[5];
sprintf(buf, "%d", i + 1);
typename_list += ", typename A" + string(buf);
type_list += ", A" + string(buf);
arg_list += ",\n static_cast<Proxy <A" + string(buf) + "> *>(gen->GetAddressOfArg(" + string(buf) + "))->value";
}

printf("template <typename T>\n"
"struct Id {\n"
" template <T fn_ptr> AS_NAMESPACE_QUALIFIER asSFuncPtr f(void) { return asFUNCTION(&Wrapper<T>::template f<fn_ptr>); }\n"
" template <T fn_ptr> AS_NAMESPACE_QUALIFIER asSFuncPtr of(void) { return asFUNCTION(&ObjFirst<T>::template f<fn_ptr>); }\n"
" template <T fn_ptr> AS_NAMESPACE_QUALIFIER asSFuncPtr ol(void) { return asFUNCTION(&ObjLast<T>::template f<fn_ptr>); }\n"
"};\n"
"\n"
"template <typename T>\n"
"Id<T> id(T fn_ptr) { return Id<T>(); }\n"
"\n"
"// On some versions of GNUC it is necessary to use the template keyword as disambiguator,\n"
"// on others the template keyword gives an error, hence the need for the following define.\n"
"// MSVC on the other hand seems to accept both with or without the template keyword.\n"
"#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4))\n"
" // GNUC 4.4.3 doesn't need the template keyword, and\n"
" // hopefully upcoming versions won't need it either\n"
" #define TMPL template\n"
"#else\n"
" #define TMPL\n"
"#endif\n"
"\n"
"#define WRAP_FN(name) (::gw::id(name).TMPL f< name >())\n"
"#define WRAP_MFN(ClassType, name) (::gw::id(&ClassType::name).TMPL f< &ClassType::name >())\n"
"#define WRAP_OBJ_FIRST(name) (::gw::id(name).TMPL of< name >())\n"
"#define WRAP_OBJ_LAST(name) (::gw::id(name).TMPL ol< name >())\n"
"\n"
"#define WRAP_FN_PR(name, Parameters, ReturnType) asFUNCTION((::gw::Wrapper<ReturnType (*)Parameters>::TMPL f< name >))\n"
"#define WRAP_MFN_PR(ClassType, name, Parameters, ReturnType) asFUNCTION((::gw::Wrapper<ReturnType (ClassType::*)Parameters>::TMPL f< &ClassType::name >))\n"
"#define WRAP_OBJ_FIRST_PR(name, Parameters, ReturnType) asFUNCTION((::gw::ObjFirst<ReturnType (*)Parameters>::TMPL f< name >))\n"
"#define WRAP_OBJ_LAST_PR(name, Parameters, ReturnType) asFUNCTION((::gw::ObjLast<ReturnType (*)Parameters>::TMPL f< name >))\n"
"\n"
"#define WRAP_CON(ClassType, Parameters) asFUNCTION((::gw::Constructor<ClassType Parameters>::f))\n"
"#define WRAP_DES(ClassType) asFUNCTION((::gw::destroy<ClassType>))\n"
"\n"
"} // end namespace gw\n"
"\n"
"#endif\n");

return 0;
}

void PrintTemplate(const char *base, const char *typeNameList, const char *retType, const char *objType, const char *isConst, const char *newExpr, const char *objExpr, const char *argList1, const char *argList2, const char *wrapName)
{
printf("template <%s%s>\n", base, typeNameList);
printf("struct %s<%s (%s*)(%s)%s> {\n", wrapName, retType, objType, argList1, isConst);
printf(" template <%s (%s*fp)(%s)%s>\n", retType, objType, argList1, isConst);
printf(" static void f(AS_NAMESPACE_QUALIFIER asIScriptGeneric * gen) {\n");
printf(" %s((%sfp)(%s));\n", newExpr, objExpr, argList2);
printf(" }\n");
printf("};\n");
}

void PrintConstructor(const char *comma, const char *typeNameList, const char *typeList, const char *argList)
{
printf("template <typename T%s%s>\n", comma, typeNameList);
printf("struct Constructor <T (%s)> {\n", typeList);
printf(" static void f(AS_NAMESPACE_QUALIFIER asIScriptGeneric * gen) {\n");
printf(" new (gen->GetObject()) T(%s);\n", argList);
printf(" }\n");
printf("};\n");
}
20 changes: 20 additions & 0 deletions libsrcs/angelscript/sdk/add_on/autowrapper/generator/generator.sln
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Microsoft Visual Studio Solution File, Format Version 10.00
# Visual C++ Express 2008
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "generator", "generator.vcproj", "{086A2F1A-01B1-4EB3-A8FA-0926FF10E953}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
Release|Win32 = Release|Win32
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{086A2F1A-01B1-4EB3-A8FA-0926FF10E953}.Debug|Win32.ActiveCfg = Debug|Win32
{086A2F1A-01B1-4EB3-A8FA-0926FF10E953}.Debug|Win32.Build.0 = Debug|Win32
{086A2F1A-01B1-4EB3-A8FA-0926FF10E953}.Release|Win32.ActiveCfg = Release|Win32
{086A2F1A-01B1-4EB3-A8FA-0926FF10E953}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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