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path: root/trunk/ext/dl/cfunc.c
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Diffstat (limited to 'trunk/ext/dl/cfunc.c')
-rw-r--r--trunk/ext/dl/cfunc.c516
1 files changed, 0 insertions, 516 deletions
diff --git a/trunk/ext/dl/cfunc.c b/trunk/ext/dl/cfunc.c
deleted file mode 100644
index 724c290f2f..0000000000
--- a/trunk/ext/dl/cfunc.c
+++ /dev/null
@@ -1,516 +0,0 @@
-/* -*- C -*-
- * $Id$
- */
-
-#include <ruby.h>
-#include <errno.h>
-#include "dl.h"
-
-VALUE rb_cDLCFunc;
-
-static ID id_last_error;
-
-static VALUE
-rb_dl_get_last_error(VALUE self)
-{
- return rb_thread_local_aref(rb_thread_current(), id_last_error);
-}
-
-static VALUE
-rb_dl_set_last_error(VALUE self, VALUE val)
-{
- rb_thread_local_aset(rb_thread_current(), id_last_error, val);
- return Qnil;
-}
-
-#if defined(HAVE_WINDOWS_H)
-#include <windows.h>
-static ID id_win32_last_error;
-
-static VALUE
-rb_dl_get_win32_last_error(VALUE self)
-{
- return rb_thread_local_aref(rb_thread_current(), id_win32_last_error);
-}
-
-static VALUE
-rb_dl_set_win32_last_error(VALUE self, VALUE val)
-{
- rb_thread_local_aset(rb_thread_current(), id_win32_last_error, val);
- return Qnil;
-}
-#endif
-
-
-void
-dlcfunc_free(struct cfunc_data *data)
-{
- if( data->name ){
- xfree(data->name);
- }
- xfree(data);
-}
-
-VALUE
-rb_dlcfunc_new(void (*func)(), int type, const char *name, ID calltype)
-{
- VALUE val;
- struct cfunc_data *data;
-
- rb_secure(4);
- if( func ){
- val = Data_Make_Struct(rb_cDLCFunc, struct cfunc_data, 0, dlcfunc_free, data);
- data->ptr = func;
- data->name = name ? strdup(name) : NULL;
- data->type = type;
- data->calltype = calltype;
- }
- else{
- val = Qnil;
- }
-
- return val;
-}
-
-void *
-rb_dlcfunc2ptr(VALUE val)
-{
- struct cfunc_data *data;
- void * func;
-
- if( rb_obj_is_kind_of(val, rb_cDLCFunc) ){
- Data_Get_Struct(val, struct cfunc_data, data);
- func = data->ptr;
- }
- else if( val == Qnil ){
- func = NULL;
- }
- else{
- rb_raise(rb_eTypeError, "DL::CFunc was expected");
- }
-
- return func;
-}
-
-VALUE
-rb_dlcfunc_s_allocate(VALUE klass)
-{
- VALUE obj;
- struct cfunc_data *data;
-
- obj = Data_Make_Struct(klass, struct cfunc_data, 0, dlcfunc_free, data);
- data->ptr = 0;
- data->name = 0;
- data->type = 0;
- data->calltype = CFUNC_CDECL;
-
- return obj;
-}
-
-VALUE
-rb_dlcfunc_initialize(int argc, VALUE argv[], VALUE self)
-{
- VALUE addr, name, type, calltype;
- struct cfunc_data *data;
- void *saddr;
- const char *sname;
-
- rb_scan_args(argc, argv, "13", &addr, &type, &name, &calltype);
-
- saddr = (void*)(NUM2PTR(rb_Integer(addr)));
- sname = NIL_P(name) ? NULL : StringValuePtr(name);
-
- Data_Get_Struct(self, struct cfunc_data, data);
- if( data->name ) xfree(data->name);
- data->ptr = saddr;
- data->name = sname ? strdup(sname) : 0;
- data->type = (type == Qnil) ? DLTYPE_VOID : NUM2INT(type);
- data->calltype = (calltype == Qnil) ? CFUNC_CDECL : SYM2ID(calltype);
-
- return Qnil;
-}
-
-VALUE
-rb_dlcfunc_name(VALUE self)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- return cfunc->name ? rb_tainted_str_new2(cfunc->name) : Qnil;
-}
-
-VALUE
-rb_dlcfunc_ctype(VALUE self)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- return INT2NUM(cfunc->type);
-}
-
-VALUE
-rb_dlcfunc_set_ctype(VALUE self, VALUE ctype)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- cfunc->type = NUM2INT(ctype);
- return ctype;
-}
-
-VALUE
-rb_dlcfunc_calltype(VALUE self)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- return ID2SYM(cfunc->calltype);
-}
-
-VALUE
-rb_dlcfunc_set_calltype(VALUE self, VALUE sym)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- cfunc->calltype = SYM2ID(sym);
- return sym;
-}
-
-
-VALUE
-rb_dlcfunc_ptr(VALUE self)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- return PTR2NUM(cfunc->ptr);
-}
-
-VALUE
-rb_dlcfunc_set_ptr(VALUE self, VALUE addr)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- cfunc->ptr = NUM2PTR(addr);
-
- return Qnil;
-}
-
-VALUE
-rb_dlcfunc_inspect(VALUE self)
-{
- VALUE val;
- char *str;
- int str_size;
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
-
- str_size = (cfunc->name ? strlen(cfunc->name) : 0) + 100;
- str = ruby_xmalloc(str_size);
- snprintf(str, str_size - 1,
- "#<DL::CFunc:%p ptr=%p type=%d name='%s'>",
- cfunc,
- cfunc->ptr,
- cfunc->type,
- cfunc->name ? cfunc->name : "");
- val = rb_tainted_str_new2(str);
- ruby_xfree(str);
-
- return val;
-}
-
-
-# define DECL_FUNC_CDECL(f,ret,args) ret (FUNC_CDECL(*f))(args)
-# define DECL_FUNC_STDCALL(f,ret,args) ret (FUNC_STDCALL(*f))(args)
-
-#define CALL_CASE switch( RARRAY_LEN(ary) ){ \
- CASE(0); break; \
- CASE(1); break; CASE(2); break; CASE(3); break; CASE(4); break; CASE(5); break; \
- CASE(6); break; CASE(7); break; CASE(8); break; CASE(9); break; CASE(10);break; \
- CASE(11);break; CASE(12);break; CASE(13);break; CASE(14);break; CASE(15);break; \
- CASE(16);break; CASE(17);break; CASE(18);break; CASE(19);break; CASE(20);break; \
- default: rb_raise(rb_eArgError, "too many arguments"); \
-}
-
-
-VALUE
-rb_dlcfunc_call(VALUE self, VALUE ary)
-{
- struct cfunc_data *cfunc;
- int i;
- DLSTACK_TYPE stack[DLSTACK_SIZE];
- VALUE result = Qnil;
-
- rb_secure_update(self);
-
- memset(stack, 0, sizeof(DLSTACK_TYPE) * DLSTACK_SIZE);
- Check_Type(ary, T_ARRAY);
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
-
- if( cfunc->ptr == 0 ){
- rb_raise(rb_eDLError, "can't call null-function");
- return Qnil;
- }
-
- for( i = 0; i < RARRAY_LEN(ary); i++ ){
- if( i >= DLSTACK_SIZE ){
- rb_raise(rb_eDLError, "too many arguments (stack overflow)");
- }
- rb_check_safe_obj(RARRAY_PTR(ary)[i]);
- stack[i] = NUM2LONG(RARRAY_PTR(ary)[i]);
- }
-
- /* calltype == CFUNC_CDECL */
- if( cfunc->calltype == CFUNC_CDECL ){
- switch( cfunc->type ){
- case DLTYPE_VOID:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,void,DLSTACK_PROTO##n) = cfunc->ptr; \
- f(DLSTACK_ARGS##n(stack)); \
- result = Qnil; \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_VOIDP:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,void*,DLSTACK_PROTO##n) = cfunc->ptr; \
- void * ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = PTR2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_CHAR:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,char,DLSTACK_PROTO##n) = cfunc->ptr; \
- char ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = CHR2FIX(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_SHORT:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,short,DLSTACK_PROTO##n) = cfunc->ptr; \
- short ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = INT2NUM((int)ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_INT:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,int,DLSTACK_PROTO##n) = cfunc->ptr; \
- int ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = INT2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_LONG:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,long,DLSTACK_PROTO##n) = cfunc->ptr; \
- long ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = LONG2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
-#if HAVE_LONG_LONG /* used in ruby.h */
- case DLTYPE_LONG_LONG:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,LONG_LONG,DLSTACK_PROTO) = cfunc->ptr; \
- LONG_LONG ret; \
- ret = f(DLSTACK_ARGS(stack)); \
- result = LL2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
-#endif
- case DLTYPE_FLOAT:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,float,DLSTACK_PROTO) = cfunc->ptr; \
- float ret; \
- ret = f(DLSTACK_ARGS(stack)); \
- result = rb_float_new(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_DOUBLE:
-#define CASE(n) case n: { \
- DECL_FUNC_CDECL(f,double,DLSTACK_PROTO) = cfunc->ptr; \
- double ret; \
- ret = f(DLSTACK_ARGS(stack)); \
- result = rb_float_new(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- default:
- rb_raise(rb_eDLTypeError, "unknown type %d", cfunc->type);
- }
- }
- else if( cfunc->calltype == CFUNC_STDCALL ){
- /* calltype == CFUNC_STDCALL */
- switch( cfunc->type ){
- case DLTYPE_VOID:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,void,DLSTACK_PROTO##n) = cfunc->ptr; \
- f(DLSTACK_ARGS##n(stack)); \
- result = Qnil; \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_VOIDP:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,void*,DLSTACK_PROTO##n) = cfunc->ptr; \
- void * ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = PTR2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_CHAR:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,char,DLSTACK_PROTO##n) = cfunc->ptr; \
- char ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = CHR2FIX(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_SHORT:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,short,DLSTACK_PROTO##n) = cfunc->ptr; \
- short ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = INT2NUM((int)ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_INT:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,int,DLSTACK_PROTO##n) = cfunc->ptr; \
- int ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = INT2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_LONG:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,long,DLSTACK_PROTO##n) = cfunc->ptr; \
- long ret; \
- ret = f(DLSTACK_ARGS##n(stack)); \
- result = LONG2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
-#if HAVE_LONG_LONG /* used in ruby.h */
- case DLTYPE_LONG_LONG:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,LONG_LONG,DLSTACK_PROTO) = cfunc->ptr; \
- LONG_LONG ret; \
- ret = f(DLSTACK_ARGS(stack)); \
- result = LL2NUM(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
-#endif
- case DLTYPE_FLOAT:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,float,DLSTACK_PROTO) = cfunc->ptr; \
- float ret; \
- ret = f(DLSTACK_ARGS(stack)); \
- result = rb_float_new(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- case DLTYPE_DOUBLE:
-#define CASE(n) case n: { \
- DECL_FUNC_STDCALL(f,double,DLSTACK_PROTO) = cfunc->ptr; \
- double ret; \
- ret = f(DLSTACK_ARGS(stack)); \
- result = rb_float_new(ret); \
-}
- CALL_CASE;
-#undef CASE
- break;
- default:
- rb_raise(rb_eDLTypeError, "unknown type %d", cfunc->type);
- }
- }
- else{
- rb_raise(rb_eDLError,
-#ifndef LONG_LONG_VALUE
- "unsupported call type: %lx",
-#else
- "unsupported call type: %llx",
-#endif
- cfunc->calltype);
- }
-
- rb_dl_set_last_error(self, INT2NUM(errno));
-#if defined(HAVE_WINDOWS_H)
- rb_dl_set_win32_last_error(self, INT2NUM(GetLastError()));
-#endif
-
- return result;
-}
-
-VALUE
-rb_dlcfunc_to_i(VALUE self)
-{
- struct cfunc_data *cfunc;
-
- Data_Get_Struct(self, struct cfunc_data, cfunc);
- return PTR2NUM(cfunc->ptr);
-}
-
-void
-Init_dlcfunc()
-{
- id_last_error = rb_intern("__DL2_LAST_ERROR__");
-#if defined(HAVE_WINDOWS_H)
- id_win32_last_error = rb_intern("__DL2_WIN32_LAST_ERROR__");
-#endif
- rb_cDLCFunc = rb_define_class_under(rb_mDL, "CFunc", rb_cObject);
- rb_define_alloc_func(rb_cDLCFunc, rb_dlcfunc_s_allocate);
- rb_define_module_function(rb_cDLCFunc, "last_error", rb_dl_get_last_error, 0);
-#if defined(HAVE_WINDOWS_H)
- rb_define_module_function(rb_cDLCFunc, "win32_last_error", rb_dl_get_win32_last_error, 0);
-#endif
- rb_define_method(rb_cDLCFunc, "initialize", rb_dlcfunc_initialize, -1);
- rb_define_method(rb_cDLCFunc, "call", rb_dlcfunc_call, 1);
- rb_define_method(rb_cDLCFunc, "[]", rb_dlcfunc_call, 1);
- rb_define_method(rb_cDLCFunc, "name", rb_dlcfunc_name, 0);
- rb_define_method(rb_cDLCFunc, "ctype", rb_dlcfunc_ctype, 0);
- rb_define_method(rb_cDLCFunc, "ctype=", rb_dlcfunc_set_ctype, 1);
- rb_define_method(rb_cDLCFunc, "calltype", rb_dlcfunc_calltype, 0);
- rb_define_method(rb_cDLCFunc, "calltype=", rb_dlcfunc_set_calltype, 1);
- rb_define_method(rb_cDLCFunc, "ptr", rb_dlcfunc_ptr, 0);
- rb_define_method(rb_cDLCFunc, "ptr=", rb_dlcfunc_set_ptr, 1);
- rb_define_method(rb_cDLCFunc, "inspect", rb_dlcfunc_inspect, 0);
- rb_define_method(rb_cDLCFunc, "to_s", rb_dlcfunc_inspect, 0);
- rb_define_method(rb_cDLCFunc, "to_i", rb_dlcfunc_to_i, 0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 03:09:56 +0000