forked from LeenkxTeam/LNXSDK
470 lines
12 KiB
C
470 lines
12 KiB
C
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#ifndef HX_CFFI_H
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#define HX_CFFI_H
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// 410 - adds gc_try_unblocking
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#define HX_CFFI_API_VERSION 410
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#ifdef HXCPP_JS_PRIME
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#include <emscripten/bind.h>
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using namespace emscripten;
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typedef struct emscripten::val value;
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typedef struct _vkind *vkind;
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typedef struct _buffer *buffer;
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#define HAVE_NEKO_TYPES 1
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#endif
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#include "OS.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if defined(BLACKBERRY)
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using namespace std;
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#endif
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// --- Register functions (primitives) ----
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#ifdef STATIC_LINK
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#define DEFINE_PRIM_MULT(func) \
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int __reg_##func = hx_register_prim(#func "__MULT",(void *)(&func)); \
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#define DEFINE_PRIM(func,nargs) \
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int __reg_##func = hx_register_prim(#func "__" #nargs,(void *)(&func)); \
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#define DEFINE_PRIM_MULT_NATIVE(func,ext) \
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int __reg_##func = hx_register_prim(#func "__MULT",(void *)(&func)) + \
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hx_register_prim(#func "__" #ext,(void *)(&func##_##ext)) ;
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#define DEFINE_PRIM_NATIVE(func,nargs,ext) \
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int __reg_##func = hx_register_prim(#func "__" #nargs,(void *)(&func)) + \
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hx_register_prim(#func "__" #ext,(void *)(&func##_##ext)) ;
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#define DEFINE_LIB_PRIM_MULT(lib,func) \
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int __reg_##func = hx_register_prim(lib "_" #func "__MULT",(void *)(&func)); \
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#define DEFINE_LIB_PRIM(lib,func,nargs) \
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int __reg_##func = hx_register_prim(lib "_" #func "__" #nargs,(void *)(&func)); \
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#elif defined(HXCPP_JS_PRIME)
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//#define DEFINE_PRIM_MULT(func) EMSCRIPTEN_BINDINGS(func) { function(#func, &func); }
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//TODO
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#define DEFINE_PRIM_MULT(func)
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#define DEFINE_PRIM(func,nargs) EMSCRIPTEN_BINDINGS(func) { function(#func, &func); }
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#else
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#define DEFINE_PRIM_MULT(func) extern "C" { \
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EXPORT void *func##__MULT() { return (void*)(&func); } \
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}
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#define DEFINE_PRIM(func,nargs) extern "C" { \
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EXPORT void *func##__##nargs() { return (void*)(&func); } \
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}
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#define DEFINE_PRIM_MULT_NATIVE(func,ext) extern "C" { \
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EXPORT void *func##__MULT() { return (void*)(&func); } \
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EXPORT void *func##__##ext() { return (void*)(&func##_##ext); } \
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}
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#define DEFINE_PRIM_NATIVE(func,nargs,ext) extern "C" { \
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EXPORT void *func##__##nargs() { return (void*)(&func); } \
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EXPORT void *func##__##ext() { return (void*)(&func##_##ext); } \
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}
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#define DEFINE_LIB_PRIM_MULT(lib,func) extern "C" { \
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EXPORT void *func##__MULT() { return (void*)(&func); } \
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}
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#define DEFINE_LIB_PRIM(lib,func,nargs) extern "C" { \
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EXPORT void *func##__##nargs() { return (void*)(&func); } \
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}
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#endif // !STATIC_LINK
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#define DEFFUNC_0(ret,name) DEFFUNC(name,ret, (), ())
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#define DEFFUNC_1(ret,name,t1) DEFFUNC(name,ret, (t1 a1), (a1))
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#define DEFFUNC_2(ret,name,t1,t2) DEFFUNC(name,ret, (t1 a1, t2 a2), (a1,a2))
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#define DEFFUNC_3(ret,name,t1,t2,t3) DEFFUNC(name,ret, (t1 a1, t2 a2, t3 a3), (a1,a2,a3))
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#define DEFFUNC_4(ret,name,t1,t2,t3,t4) DEFFUNC(name,ret, (t1 a1, t2 a2, t3 a3, t4 a4), (a1,a2,a3,a4))
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#define DEFFUNC_5(ret,name,t1,t2,t3,t4,t5) DEFFUNC(name,ret, (t1 a1, t2 a2, t3 a3, t4 a4,t5 a5), (a1,a2,a3,a4,a5))
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enum hxValueType
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{
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valtUnknown = -1,
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valtInt = 0xff,
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valtNull = 0,
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valtFloat = 1,
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valtBool = 2,
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valtString = 3,
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valtObject = 4,
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valtArray = 5,
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valtFunction = 6,
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valtEnum,
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valtClass,
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valtRoot = 0xff,
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valtAbstractBase = 0x100,
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};
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namespace hx
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{
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enum StringEncoding
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{
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StringAscii,
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StringUtf8,
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StringUtf16
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};
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}
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// val_fun_nargs may return a special value
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enum { faNotFunction = -2, faVarArgs=-1, faArgs0=0 /* ... */ };
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typedef int field;
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#ifdef IMPLEMENT_API
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#include "CFFILoader.h"
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#endif
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#if !defined(HAVE_NEKO_TYPES)
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#ifdef HXCPP_NATIVE_CFFI_VALUE
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namespace hx { class Object; }
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typedef hx::Object _value;
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#else
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struct _value;
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#endif
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typedef _value *value;
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typedef struct _vkind *vkind;
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typedef struct _buffer *buffer;
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#endif
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typedef buffer cffiByteBuffer;
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typedef struct _gcroot *gcroot;
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typedef void (*hxFinalizer)(value v);
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typedef void (*hxPtrFinalizer)(void *v);
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typedef void (__hx_field_iter)(value v,field f,void *);
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#define hx_failure(msg) hx_fail(msg,__FILE__,__LINE__)
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#ifndef IGNORE_CFFI_API_H
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#ifndef IMPLEMENT_API
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#if defined(STATIC_LINK) || defined(HXCPP_JS_PRIME)
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#define DEFFUNC(name,ret,def_args,call_args) \
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extern "C" ret name def_args;
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#else
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#define DEFFUNC(name,ret,def_args,call_args) \
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typedef ret (*FUNC_##name) def_args; \
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extern FUNC_##name name;
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#endif
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#endif
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#include "CFFIAPI.h"
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#ifdef WANT_DYNALLOC_ALLOC_BYTES
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void *DynAlloc::allocBytes(size_t n)
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{
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return hx_alloc((int)n);
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}
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#endif
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#define DEFINE_KIND(name) extern "C" { vkind name = 0; }
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#ifdef STATIC_LINK
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# define DEFINE_ENTRY_POINT(name)
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#else
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# define DEFINE_ENTRY_POINT(name) extern "C" { void name(); EXPORT void *__neko_entry_point() { return (void *)&name; } }
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#endif
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#ifdef HEADER_IMPORTS
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# define H_EXTERN IMPORT
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#else
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# define H_EXTERN EXPORT
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#endif
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#define DECLARE_PRIM(func,nargs) extern "C" { H_EXTERN void *func##__##nargs(); }
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#define DECLARE_KIND(name) extern "C" { H_EXTERN extern vkind name; }
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// --- Helpers ----------------------------------------------------------------
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// Check type...
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inline bool val_is_null(value inVal) { return val_type(inVal)==valtNull; }
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inline bool val_is_int(value inVal) { return val_type(inVal)==valtInt; }
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inline bool val_is_bool(value inVal) { return val_type(inVal)==valtBool; }
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inline bool val_is_float(value inVal) { return val_type(inVal)==valtFloat; }
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inline bool val_is_string(value inVal) { return val_type(inVal)==valtString; }
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inline bool val_is_function(value inVal) { return val_type(inVal)==valtFunction; }
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inline bool val_is_array(value inVal) { return val_type(inVal)==valtArray; }
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inline bool val_is_abstract(value inVal) { return val_type(inVal)>=valtAbstractBase; }
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inline bool val_is_kind(value inVal,vkind inKind) { return val_to_kind(inVal,inKind)!=0; }
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inline bool val_is_number(value inVal)
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{
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int t = val_type(inVal);
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return t==valtInt || t==valtFloat;
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}
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inline bool val_is_object(value inVal)
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{
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int t = val_type(inVal);
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return t==valtObject || t==valtEnum ||t==valtClass;
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}
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class AutoGCBlocking
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{
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public:
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inline AutoGCBlocking(bool inSoftUnlock=false) :
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mSoftUnlock(inSoftUnlock), mLocked( gc_try_blocking() ) { }
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inline ~AutoGCBlocking() { Close(); }
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inline void Close()
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{
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if (mLocked)
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{
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if (mSoftUnlock)
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gc_try_unblocking();
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else
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gc_exit_blocking();
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}
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mLocked = false;
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}
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bool mLocked;
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bool mSoftUnlock;
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};
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class AutoGCUnblocking
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{
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public:
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AutoGCUnblocking() : mUnlocked( gc_try_unblocking() ) { }
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~AutoGCUnblocking() { Close(); }
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void Close() { if (mUnlocked) gc_enter_blocking(); mUnlocked = false; }
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bool mUnlocked;
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};
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class AutoGCRoot
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{
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public:
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AutoGCRoot(value inValue)
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{
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mRoot = 0;
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mPtr = alloc_root();
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if (mPtr)
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*mPtr = inValue;
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else
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mRoot = create_root(inValue);
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}
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~AutoGCRoot()
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{
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if (mPtr)
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free_root(mPtr);
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else if (mRoot)
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destroy_root(mRoot);
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}
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value get()const { return mPtr ? *mPtr : query_root(mRoot); }
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void set(value inValue)
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{
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if (mPtr)
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*mPtr = inValue;
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else
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{
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if (mRoot) destroy_root(mRoot);
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mRoot = create_root(inValue);
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}
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}
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private:
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value *mPtr;
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gcroot mRoot;
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AutoGCRoot(const AutoGCRoot &);
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void operator=(const AutoGCRoot &);
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};
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struct CffiBytes
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{
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CffiBytes( unsigned char *inData=0, int inLength=0) : data(inData), length(inLength) {}
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unsigned char *data;
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int length;
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};
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inline CffiBytes getByteData(value inValue)
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{
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static field bField = 0;
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static field lengthField = 0;
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if (bField==0)
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{
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bField = val_id("b");
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lengthField = val_id("length");
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}
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if (val_is_object(inValue))
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{
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value b = val_field(inValue, bField);
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value len = val_field(inValue, lengthField);
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if (val_is_string(b) && val_is_int(len))
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return CffiBytes( (unsigned char *)val_string(b), val_int(len) );
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if (val_is_buffer(b) && val_is_int(len))
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return CffiBytes( (unsigned char *)buffer_data(val_to_buffer(b)), val_int(len) );
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}
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else if (val_is_buffer(inValue))
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{
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value len = val_field(inValue, lengthField);
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if (val_is_int(len))
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{
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buffer b = val_to_buffer(inValue);
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return CffiBytes( (unsigned char *)buffer_data(b), val_int(len) );
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}
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}
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return CffiBytes();
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}
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inline bool resizeByteData(value inValue, int inNewLen)
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{
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if (!val_is_object(inValue))
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return false;
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static field bField = 0;
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static field lengthField = 0;
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if (bField==0)
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{
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bField = val_id("b");
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lengthField = val_id("length");
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}
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value len = val_field(inValue, lengthField);
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if (!val_is_int(len))
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return false;
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int oldLen = val_int(len);
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value b = val_field(inValue, bField);
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if (val_is_string(b))
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{
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if (inNewLen>oldLen)
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{
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|
value newString = alloc_raw_string(inNewLen);
|
||
|
|
memcpy( (char *)val_string(newString), val_string(b), inNewLen);
|
||
|
|
alloc_field(inValue, bField, newString );
|
||
|
|
}
|
||
|
|
alloc_field(inValue, lengthField, alloc_int(inNewLen) );
|
||
|
|
}
|
||
|
|
else if (val_is_buffer(b))
|
||
|
|
{
|
||
|
|
cffiByteBuffer buf = val_to_buffer(b);
|
||
|
|
buffer_set_size(buf,inNewLen);
|
||
|
|
alloc_field(inValue, lengthField, alloc_int(inNewLen) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
return false;
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define val_null alloc_null()
|
||
|
|
|
||
|
|
#define bfailure(x) val_throw(buffer_to_string(x))
|
||
|
|
|
||
|
|
#define copy_string(str,len) alloc_string_len(str,len)
|
||
|
|
|
||
|
|
|
||
|
|
// The "Check" macros throw an error if assumtion is false
|
||
|
|
#define val_check_kind(v,t) if( !val_is_kind(v,t) ) hx_failure("invalid kind");
|
||
|
|
#define val_check_function(f,n) if( !val_is_function(f) || (val_fun_nargs(f) != (n) && val_fun_nargs(f) != faVarArgs) ) hx_failure("Bad function");
|
||
|
|
#define val_check(v,t) if( !val_is_##t(v) ) hx_failure("type not " #t);
|
||
|
|
|
||
|
|
// The "Get" function will return or force an error
|
||
|
|
inline bool val_get_bool(value inVal) { val_check(inVal,bool); return val_bool(inVal); }
|
||
|
|
inline int val_get_int(value inVal) { val_check(inVal,int); return val_int(inVal); }
|
||
|
|
inline double val_get_double(value inVal) { val_check(inVal,number); return val_number(inVal); }
|
||
|
|
inline const char *val_get_string(value inVal) { val_check(inVal,string); return val_string(inVal); }
|
||
|
|
inline void *val_get_handle(value inVal,vkind inKind)
|
||
|
|
{ val_check_kind(inVal,inKind); return val_to_kind(inVal,inKind); }
|
||
|
|
|
||
|
|
|
||
|
|
inline value alloc_string(const char *inStr)
|
||
|
|
{
|
||
|
|
const char *end = inStr;
|
||
|
|
while(*end) end++;
|
||
|
|
return alloc_string_len(inStr,(int)(end-inStr));
|
||
|
|
}
|
||
|
|
|
||
|
|
inline value alloc_wstring(const wchar_t *inStr)
|
||
|
|
{
|
||
|
|
const wchar_t *end = inStr;
|
||
|
|
while(*end) end++;
|
||
|
|
return alloc_wstring_len(inStr,(int)(end-inStr));
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void hxcpp_unscramble(const unsigned char *bytes, int len, const char *key, unsigned char *dest)
|
||
|
|
{
|
||
|
|
int keyLen = 0;
|
||
|
|
while(key[keyLen])
|
||
|
|
keyLen++;
|
||
|
|
int state = 0;
|
||
|
|
//state = ((state + key[i]) ^ ch) & 0xff);
|
||
|
|
for(int i=0;i<len;i++)
|
||
|
|
{
|
||
|
|
dest[i] = ( (state + key[i%keyLen]) ^ bytes[i] ) & 0xff;
|
||
|
|
state = bytes[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//additional glue for easier neko modules compilation
|
||
|
|
#define val_true alloc_bool(true)
|
||
|
|
#define val_false alloc_bool(false)
|
||
|
|
inline void neko_error() { hx_error(); }
|
||
|
|
|
||
|
|
|
||
|
|
// Conservative marking within a buffer is not yet supported.
|
||
|
|
//inline void * alloc(int i) { return hx_alloc(i); }
|
||
|
|
|
||
|
|
// The bytes themselves will be GC'd, but not the pointers contained within.
|
||
|
|
inline void * alloc_private(int i) { return hx_alloc(i); }
|
||
|
|
|
||
|
|
// You should use alloc_buffer_len/buffer_data instead
|
||
|
|
//value alloc_empty_string(int len) { }
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|