mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
4bf76b4e6c
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2476 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1040 lines
22 KiB
C
1040 lines
22 KiB
C
/* -*- C -*-
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* $Id$
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*/
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#include <ruby.h>
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#include <version.h> /* for ruby version code */
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#include "dl.h"
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VALUE rb_cDLPtrData;
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VALUE rb_mDLMemorySpace;
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static VALUE DLMemoryTable;
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#ifndef T_SYMBOL
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# define T_SYMBOL T_FIXNUM
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#endif
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#if RUBY_VERSION_CODE < 171
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static VALUE
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rb_hash_delete(VALUE hash, VALUE key)
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{
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return rb_funcall(hash, rb_intern("delete"), 1, key);
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}
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#endif
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static void
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rb_dlmem_delete(void *ptr)
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{
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rb_hash_delete(DLMemoryTable, DLLONG2NUM(ptr));
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}
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static void
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rb_dlmem_aset(void *ptr, VALUE obj)
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{
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if( obj == Qnil ){
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rb_dlmem_delete(ptr);
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}
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else{
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rb_hash_aset(DLMemoryTable, DLLONG2NUM(ptr), DLLONG2NUM(obj));
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};
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}
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static VALUE
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rb_dlmem_aref(void *ptr)
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{
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VALUE val;
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val = rb_hash_aref(DLMemoryTable, DLLONG2NUM(ptr));
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return val == Qnil ? Qnil : (VALUE)DLNUM2LONG(val);
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}
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void
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dlptr_free(struct ptr_data *data)
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{
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if( data->ptr ){
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DEBUG_CODE({
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printf("dlptr_free(): removing the pointer `0x%x' from the MemorySpace\n",
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data->ptr);
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});
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rb_dlmem_delete(data->ptr);
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if( data->free ){
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DEBUG_CODE({
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printf("dlptr_free(): 0x%x(data->ptr:0x%x)\n",data->free,data->ptr);
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});
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(*(data->free))(data->ptr);
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};
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};
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if( data->stype ) dlfree(data->stype);
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if( data->ssize ) dlfree(data->ssize);
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if( data->ids ) dlfree(data->ids);
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}
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void
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dlptr_init(VALUE val)
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{
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struct ptr_data *data;
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Data_Get_Struct(val, struct ptr_data, data);
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DEBUG_CODE({
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printf("dlptr_init(): add the pointer `0x%x' to the MemorySpace\n",
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data->ptr);
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});
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rb_dlmem_aset(data->ptr, val);
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}
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VALUE
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rb_dlptr_new2(VALUE klass, void *ptr, long size, freefunc_t func)
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{
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struct ptr_data *data;
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VALUE val;
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if( ptr ){
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val = rb_dlmem_aref(ptr);
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if( val == Qnil ){
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val = Data_Make_Struct(klass, struct ptr_data,
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0, dlptr_free, data);
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data->ptr = ptr;
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data->free = func;
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data->ctype = DLPTR_CTYPE_UNKNOWN;
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data->stype = NULL;
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data->ssize = NULL;
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data->slen = 0;
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data->size = size;
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data->ids = NULL;
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data->ids_num = 0;
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dlptr_init(val);
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}
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else{
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if( func ){
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Data_Get_Struct(val, struct ptr_data, data);
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data->free = func;
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};
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};
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}
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else{
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val = Qnil;
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};
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return val;
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}
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VALUE
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rb_dlptr_new(void *ptr, long size, freefunc_t func)
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{
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return rb_dlptr_new2(rb_cDLPtrData, ptr, size, func);
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}
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VALUE
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rb_dlptr_malloc(long size, freefunc_t func)
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{
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void *ptr;
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ptr = dlmalloc((size_t)size);
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memset(ptr,0,(size_t)size);
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return rb_dlptr_new(ptr, size, func);
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}
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void *
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rb_dlptr2cptr(VALUE val)
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{
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struct ptr_data *data;
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void *ptr;
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if( rb_obj_is_kind_of(val, rb_cDLPtrData) ){
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Data_Get_Struct(val, struct ptr_data, data);
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ptr = data->ptr;
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}
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else if( val == Qnil ){
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ptr = NULL;
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}
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else{
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rb_raise(rb_eTypeError, "DL::PtrData was expected");
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};
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return ptr;
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}
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static VALUE
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rb_dlptr_s_new(int argc, VALUE argv[], VALUE klass)
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{
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VALUE ptr, sym, obj, size;
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void *p = NULL;
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freefunc_t f = NULL;
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long s = 0;
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switch( rb_scan_args(argc, argv, "12", &ptr, &size, &sym) ){
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case 1:
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p = (void*)(DLNUM2LONG(rb_Integer(ptr)));
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break;
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case 2:
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p = (void*)(DLNUM2LONG(rb_Integer(ptr)));
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s = DLNUM2LONG(size);
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break;
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case 3:
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p = (void*)(DLNUM2LONG(rb_Integer(ptr)));
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s = DLNUM2LONG(size);
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f = rb_dlsym2csym(sym);
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break;
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default:
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rb_bug("rb_dlptr_s_new");
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};
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obj = rb_dlptr_new(p,s,f);
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rb_obj_call_init(obj, argc, argv);
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return obj;
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}
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static VALUE
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rb_dlptr_s_malloc(int argc, VALUE argv[], VALUE klass)
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{
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VALUE size, sym, obj;
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int s;
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freefunc_t f = NULL;
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switch( rb_scan_args(argc, argv, "11", &size, &sym) ){
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case 1:
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s = NUM2INT(size);
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break;
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case 2:
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s = NUM2INT(size);
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f = rb_dlsym2csym(sym);
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break;
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default:
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rb_bug("rb_dlptr_s_new");
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};
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obj = rb_dlptr_malloc(s,f);
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return obj;
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}
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static VALUE
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rb_dlptr_init(int argc, VALUE argv[], VALUE self)
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{
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return Qnil;
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}
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VALUE
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rb_dlptr_to_i(VALUE self)
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{
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struct ptr_data *data;
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Data_Get_Struct(self, struct ptr_data, data);
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return DLLONG2NUM(data->ptr);
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}
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VALUE
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rb_dlptr_ptr(VALUE self)
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{
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struct ptr_data *data;
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Data_Get_Struct(self, struct ptr_data, data);
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return rb_dlptr_new(*((void**)(data->ptr)),0,0);
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}
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VALUE
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rb_dlptr_ref(VALUE self)
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{
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struct ptr_data *data;
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Data_Get_Struct(self, struct ptr_data, data);
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return rb_dlptr_new(&(data->ptr),0,0);
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}
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VALUE
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rb_dlptr_null_p(VALUE self)
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{
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struct ptr_data *data;
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Data_Get_Struct(self, struct ptr_data, data);
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return data->ptr ? Qfalse : Qtrue;
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}
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VALUE
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rb_dlptr_free_set(VALUE self, VALUE val)
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{
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struct ptr_data *data;
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int i;
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Data_Get_Struct(self, struct ptr_data, data);
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data->free = DLFREEFUNC(rb_dlsym2csym(val));
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return Qnil;
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}
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VALUE
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rb_dlptr_free_get(VALUE self)
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{
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struct ptr_data *pdata;
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Data_Get_Struct(self, struct ptr_data, pdata);
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return rb_dlsym_new(pdata->free,"(free)","0P");
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}
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VALUE
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rb_dlptr_to_array(int argc, VALUE argv[], VALUE self)
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{
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struct ptr_data *data;
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int n;
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int i;
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int t;
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VALUE ary;
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VALUE type, size;
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Data_Get_Struct(self, struct ptr_data, data);
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switch( rb_scan_args(argc, argv, "11", &type, &size) ){
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case 2:
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t = StringValuePtr(type)[0];
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n = NUM2INT(size);
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break;
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case 1:
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t = StringValuePtr(type)[0];
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switch( t ){
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case 'C':
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n = data->size;
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break;
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case 'H':
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n = data->size / sizeof(short);
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break;
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case 'I':
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n = data->size / sizeof(int);
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break;
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case 'L':
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n = data->size / sizeof(long);
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break;
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case 'F':
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n = data->size / sizeof(float);
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break;
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case 'D':
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n = data->size / sizeof(double);
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break;
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case 'S': case 'P':
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n = data->size / sizeof(void*);
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break;
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default:
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if( t == 'p' || t == 's' ){
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int i;
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for( i=0; ((void**)(data->ptr))[i]; i++ ){};
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n = i;
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}
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else{
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n = 0;
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};
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};
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break;
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default:
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rb_bug("rb_dlptr_to_array");
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};
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ary = rb_ary_new();
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for( i=0; i < n; i++ ){
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switch( t ){
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case 'C':
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rb_ary_push(ary, INT2NUM(((char*)(data->ptr))[i]));
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break;
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case 'H':
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rb_ary_push(ary, INT2NUM(((short*)(data->ptr))[i]));
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break;
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case 'I':
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rb_ary_push(ary, INT2NUM(((int*)(data->ptr))[i]));
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break;
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case 'L':
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rb_ary_push(ary, DLLONG2NUM(((long*)(data->ptr))[i]));
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break;
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case 'D':
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rb_ary_push(ary, rb_float_new(((double*)(data->ptr))[i]));
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case 'F':
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rb_ary_push(ary, rb_float_new(((float*)(data->ptr))[i]));
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break;
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case 'S':
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{
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char *str = ((char**)(data->ptr))[i];
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if( str ){
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rb_ary_push(ary, rb_tainted_str_new2(str));
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}
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else{
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rb_ary_push(ary, Qnil);
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};
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};
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break;
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case 's':
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{
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char *str = ((char**)(data->ptr))[i];
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if( str ){
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rb_ary_push(ary, rb_tainted_str_new2(str));
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xfree(str);
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}
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else{
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rb_ary_push(ary, Qnil);
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};
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};
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break;
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case 'P':
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rb_ary_push(ary, rb_dlptr_new(((void**)(data->ptr))[i],0,0));
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break;
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case 'p':
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rb_ary_push(ary,
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rb_dlptr_new(((void**)(data->ptr))[i],0,dlfree));
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break;
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};
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};
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return ary;
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}
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VALUE
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rb_dlptr_to_s(int argc, VALUE argv[], VALUE self)
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{
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struct ptr_data *data;
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VALUE arg1, val;
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int len;
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Data_Get_Struct(self, struct ptr_data, data);
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switch( rb_scan_args(argc, argv, "01", &arg1) ){
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case 0:
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val = rb_tainted_str_new2((char*)(data->ptr));
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break;
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case 1:
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len = NUM2INT(arg1);
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val = rb_tainted_str_new((char*)(data->ptr), len);
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break;
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default:
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rb_bug("rb_dlptr_to_s");
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};
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return val;
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}
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VALUE
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rb_dlptr_to_str(int argc, VALUE argv[], VALUE self)
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{
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struct ptr_data *data;
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VALUE arg1, val;
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int len;
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Data_Get_Struct(self, struct ptr_data, data);
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switch( rb_scan_args(argc, argv, "01", &arg1) ){
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case 0:
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val = rb_tainted_str_new((char*)(data->ptr),data->size);
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break;
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case 1:
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len = NUM2INT(arg1);
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val = rb_tainted_str_new((char*)(data->ptr), len);
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break;
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default:
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rb_bug("rb_dlptr_to_str");
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};
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return val;
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}
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VALUE
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rb_dlptr_inspect(VALUE self)
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{
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struct ptr_data *data;
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char str[1024];
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VALUE name;
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Data_Get_Struct(self, struct ptr_data, data);
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snprintf(str, 1023, "#<%s:0x%x ptr=0x%x size=%ld free=0x%x>",
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rb_class2name(CLASS_OF(self)), data, data->ptr, data->size, data->free);
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return rb_str_new2(str);
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}
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VALUE
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rb_dlptr_eql(VALUE self, VALUE other)
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{
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void *ptr1, *ptr2;
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ptr1 = rb_dlptr2cptr(self);
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ptr2 = rb_dlptr2cptr(other);
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return ptr1 == ptr2 ? Qtrue : Qfalse;
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}
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VALUE
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rb_dlptr_cmp(VALUE self, VALUE other)
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{
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void *ptr1, *ptr2;
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ptr1 = rb_dlptr2cptr(self);
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ptr2 = rb_dlptr2cptr(other);
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return DLLONG2NUM((long)ptr1 - (long)ptr2);
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}
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VALUE
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rb_dlptr_plus(VALUE self, VALUE other)
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{
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void *ptr;
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long num, size;
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ptr = rb_dlptr2cptr(self);
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size = RDLPTR(self)->size;
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num = DLNUM2LONG(other);
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return rb_dlptr_new((char *)ptr + num, size - num, 0);
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}
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VALUE
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rb_dlptr_minus(VALUE self, VALUE other)
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{
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void *ptr;
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long num, size;
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ptr = rb_dlptr2cptr(self);
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size = RDLPTR(self)->size;
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num = DLNUM2LONG(other);
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return rb_dlptr_new((char *)ptr - num, size + num, 0);
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}
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VALUE
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rb_dlptr_define_data_type(int argc, VALUE argv[], VALUE self)
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{
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VALUE data_type, type, rest, vid;
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struct ptr_data *data;
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int i, t, len, num;
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char *ctype;
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long size;
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|
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rb_scan_args(argc, argv, "11*", &data_type, &type, &rest);
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Data_Get_Struct(self, struct ptr_data, data);
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|
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if( argc == 1 || (argc == 2 && type == Qnil) ){
|
|
if( NUM2INT(data_type) == DLPTR_CTYPE_UNKNOWN ){
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data->ctype = DLPTR_CTYPE_UNKNOWN;
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data->slen = 0;
|
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data->ids_num = 0;
|
|
if( data->stype ){
|
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dlfree(data->stype);
|
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data->stype = NULL;
|
|
};
|
|
if( data->ids ){
|
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dlfree(data->ids);
|
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data->ids = NULL;
|
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};
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return Qnil;
|
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}
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else{
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rb_raise(rb_eArgError, "wrong arguments");
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};
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};
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|
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t = NUM2INT(data_type);
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StringValue(type);
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Check_Type(rest, T_ARRAY);
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num = RARRAY(rest)->len;
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for( i=0; i<num; i++ ){
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vid = rb_ary_entry(rest,i);
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if( !(TYPE(vid)==T_STRING || TYPE(vid)==T_SYMBOL) ){
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rb_raise(rb_eTypeError, "#%d must be a string or symbol", i + 2);
|
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};
|
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};
|
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|
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data->ctype = t;
|
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data->slen = num;
|
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data->ids_num = num;
|
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if( data->stype ) dlfree(data->stype);
|
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data->stype = (char*)dlmalloc(sizeof(char) * num);
|
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if( data->ssize ) dlfree(data->ssize);
|
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data->ssize = (int*)dlmalloc(sizeof(int) * num);
|
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if( data->ids ) dlfree(data->ids);
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data->ids = (ID*)dlmalloc(sizeof(ID) * data->ids_num);
|
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|
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ctype = StringValuePtr(type);
|
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for( i=0; i<num; i++ ){
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vid = rb_ary_entry(rest,i);
|
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data->ids[i] = rb_to_id(vid);
|
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data->stype[i] = *ctype;
|
|
ctype ++;
|
|
if( isdigit(*ctype) ){
|
|
char *p, *d;
|
|
for( p=ctype; isdigit(*p); p++ ) ;
|
|
d = ALLOCA_N(char, p - ctype + 1);
|
|
strncpy(d, ctype, p - ctype);
|
|
d[p - ctype] = '\0';
|
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data->ssize[i] = atoi(d);
|
|
ctype = p;
|
|
}
|
|
else{
|
|
data->ssize[i] = 1;
|
|
};
|
|
};
|
|
|
|
if( *ctype ){
|
|
rb_raise(rb_eArgError, "too few/many arguments");
|
|
};
|
|
|
|
if( !data->size )
|
|
data->size = dlsizeof(RSTRING(type)->ptr);
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
VALUE
|
|
rb_dlptr_define_struct(int argc, VALUE argv[], VALUE self)
|
|
{
|
|
VALUE *pass_argv;
|
|
int pass_argc, i;
|
|
|
|
pass_argc = argc + 1;
|
|
pass_argv = ALLOCA_N(VALUE, pass_argc);
|
|
pass_argv[0] = INT2FIX(DLPTR_CTYPE_STRUCT);
|
|
for( i=1; i<pass_argc; i++ ){
|
|
pass_argv[i] = argv[i-1];
|
|
};
|
|
return rb_dlptr_define_data_type(pass_argc, pass_argv, self);
|
|
}
|
|
|
|
VALUE
|
|
rb_dlptr_define_union(int argc, VALUE argv[], VALUE self)
|
|
{
|
|
VALUE *pass_argv;
|
|
int pass_argc, i;
|
|
|
|
pass_argc = argc + 1;
|
|
pass_argv = ALLOCA_N(VALUE, pass_argc);
|
|
pass_argv[0] = INT2FIX(DLPTR_CTYPE_UNION);
|
|
for( i=1; i<pass_argc; i++ ){
|
|
pass_argv[i] = argv[i-1];
|
|
};
|
|
return rb_dlptr_define_data_type(pass_argc, pass_argv, self);
|
|
}
|
|
|
|
VALUE
|
|
rb_dlptr_get_data_type(VALUE self)
|
|
{
|
|
struct ptr_data *data;
|
|
|
|
Data_Get_Struct(self, struct ptr_data, data);
|
|
if( data->stype )
|
|
return rb_assoc_new(INT2FIX(data->ctype),
|
|
rb_tainted_str_new(data->stype, data->slen));
|
|
else
|
|
return rb_assoc_new(INT2FIX(data->ctype), Qnil);
|
|
}
|
|
|
|
static VALUE
|
|
cary2ary(void *ptr, char t, int len)
|
|
{
|
|
VALUE ary;
|
|
VALUE elem;
|
|
int i;
|
|
|
|
if( len < 1 )
|
|
return Qnil;
|
|
|
|
if( len == 1 ){
|
|
switch( t ){
|
|
case 'I':
|
|
elem = INT2NUM(*((int*)ptr));
|
|
ptr = (char *)ptr + sizeof(int);
|
|
break;
|
|
case 'L':
|
|
elem = DLLONG2NUM(*((long*)ptr));
|
|
ptr = (char *)ptr + sizeof(long);
|
|
break;
|
|
case 'P':
|
|
elem = rb_dlptr_new(*((void**)ptr),0, 0);
|
|
ptr = (char *)ptr + sizeof(void*);
|
|
break;
|
|
case 'F':
|
|
elem = rb_float_new(*((float*)ptr));
|
|
ptr = (char *)ptr + sizeof(float);
|
|
break;
|
|
case 'D':
|
|
elem = rb_float_new(*((double*)ptr));
|
|
ptr = (char *)ptr + sizeof(double);
|
|
break;
|
|
case 'C':
|
|
elem = INT2NUM(*((char*)ptr));
|
|
ptr = (char *)ptr + sizeof(char);
|
|
break;
|
|
case 'H':
|
|
elem = INT2NUM(*((short*)ptr));
|
|
ptr = (char *)ptr + sizeof(short);
|
|
break;
|
|
default:
|
|
rb_raise(rb_eDLTypeError, "unsupported type '%c'", t);
|
|
};
|
|
return elem;
|
|
};
|
|
|
|
ary = rb_ary_new();
|
|
for( i=0; i < len; i++ ){
|
|
switch( t ){
|
|
case 'I':
|
|
elem = INT2NUM(*((int*)ptr));
|
|
ptr = (char *)ptr + sizeof(int);
|
|
break;
|
|
case 'L':
|
|
elem = DLLONG2NUM(*((long*)ptr));
|
|
ptr = (char *)ptr + sizeof(long);
|
|
break;
|
|
case 'P':
|
|
elem = rb_dlptr_new(*((void**)ptr), 0, 0);
|
|
ptr = (char *)ptr + sizeof(void*);
|
|
break;
|
|
case 'F':
|
|
elem = rb_float_new(*((float*)ptr));
|
|
ptr = (char *)ptr + sizeof(float);
|
|
break;
|
|
case 'D':
|
|
elem = rb_float_new(*((float*)ptr));
|
|
ptr = (char *)ptr + sizeof(double);
|
|
break;
|
|
case 'C':
|
|
elem = INT2NUM(*((char*)ptr));
|
|
ptr = (char *)ptr + sizeof(char);
|
|
break;
|
|
case 'H':
|
|
elem = INT2NUM(*((short*)ptr));
|
|
ptr = (char *)ptr + sizeof(short);
|
|
break;
|
|
default:
|
|
rb_raise(rb_eDLTypeError, "unsupported type '%c'", t);
|
|
};
|
|
rb_ary_push(ary, elem);
|
|
};
|
|
|
|
return ary;
|
|
}
|
|
|
|
VALUE
|
|
rb_dlptr_aref(int argc, VALUE argv[], VALUE self)
|
|
{
|
|
VALUE val, key = Qnil, num = Qnil;
|
|
ID id;
|
|
int idx;
|
|
struct ptr_data *data;
|
|
int i;
|
|
int offset;
|
|
|
|
if( rb_scan_args(argc, argv, "11", &key, &num) == 1 ){
|
|
num = INT2NUM(0);
|
|
};
|
|
|
|
if( TYPE(key) == T_FIXNUM || TYPE(key) == T_BIGNUM ){
|
|
VALUE pass[1];
|
|
pass[0] = num;
|
|
return rb_dlptr_to_str(1, pass, rb_dlptr_plus(self, key));
|
|
};
|
|
|
|
if( ! (TYPE(key) == T_STRING || TYPE(key) == T_SYMBOL ) ){
|
|
rb_raise(rb_eTypeError, "the key must be a string or symbol");
|
|
};
|
|
|
|
id = rb_to_id(key);
|
|
Data_Get_Struct(self, struct ptr_data, data);
|
|
offset = 0;
|
|
switch( data->ctype ){
|
|
case DLPTR_CTYPE_STRUCT:
|
|
for( i=0; i < data->ids_num; i++ ){
|
|
if( data->ids[i] == id ){
|
|
switch( data->stype[i] ){
|
|
case 'I':
|
|
DLALIGN(data->ptr,offset,INT_ALIGN);
|
|
break;
|
|
case 'L':
|
|
DLALIGN(data->ptr,offset,LONG_ALIGN);
|
|
break;
|
|
case 'P':
|
|
DLALIGN(data->ptr,offset,VOIDP_ALIGN);
|
|
break;
|
|
case 'F':
|
|
DLALIGN(data->ptr,offset,FLOAT_ALIGN);
|
|
break;
|
|
case 'D':
|
|
DLALIGN(data->ptr,offset,DOUBLE_ALIGN);
|
|
break;
|
|
case 'C':
|
|
break;
|
|
case 'H':
|
|
DLALIGN(data->ptr,offset,SHORT_ALIGN);
|
|
break;
|
|
default:
|
|
rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
|
|
};
|
|
return cary2ary((char *)data->ptr + offset, data->stype[i], data->ssize[i]);
|
|
};
|
|
switch( data->stype[i] ){
|
|
case 'I':
|
|
offset += sizeof(int) * data->ssize[i];
|
|
break;
|
|
case 'L':
|
|
offset += sizeof(long) * data->ssize[i];
|
|
break;
|
|
case 'P':
|
|
offset += sizeof(void*) * data->ssize[i];
|
|
break;
|
|
case 'F':
|
|
offset += sizeof(float) * data->ssize[i];
|
|
break;
|
|
case 'D':
|
|
offset += sizeof(double) * data->ssize[i];
|
|
break;
|
|
case 'C':
|
|
offset += sizeof(char) * data->ssize[i];
|
|
break;
|
|
case 'H':
|
|
offset += sizeof(short) * data->ssize[i];
|
|
break;
|
|
default:
|
|
rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
|
|
};
|
|
};
|
|
break;
|
|
case DLPTR_CTYPE_UNION:
|
|
for( i=0; i < data->ids_num; i++ ){
|
|
if( data->ids[i] == id ){
|
|
return cary2ary((char *)data->ptr + offset, data->stype[i], data->ssize[i]);
|
|
};
|
|
};
|
|
break;
|
|
}; /* end of switch */
|
|
|
|
rb_raise(rb_eNameError, "undefined key `%s' for %s",
|
|
rb_id2name(id), rb_class2name(CLASS_OF(self)));
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
static void *
|
|
ary2cary(char t, VALUE val, long *size)
|
|
{
|
|
void *ptr;
|
|
|
|
if( TYPE(val) == T_ARRAY ){
|
|
ptr = rb_ary2cary(t, val, size);
|
|
}
|
|
else{
|
|
ptr = rb_ary2cary(t, rb_ary_new3(1, val), size);
|
|
};
|
|
return ptr;
|
|
}
|
|
|
|
VALUE
|
|
rb_dlptr_aset(int argc, VALUE argv[], VALUE self)
|
|
{
|
|
VALUE key = Qnil, num = Qnil, val = Qnil;
|
|
ID id;
|
|
struct ptr_data *data;
|
|
int i;
|
|
int offset;
|
|
long memsize;
|
|
void *memimg;
|
|
|
|
switch( rb_scan_args(argc, argv, "21", &key, &num, &val) ){
|
|
case 2:
|
|
val = num;
|
|
num = Qnil;
|
|
break;
|
|
};
|
|
|
|
if( TYPE(key) == T_FIXNUM || TYPE(key) == T_BIGNUM ){
|
|
void *dst, *src;
|
|
int len;
|
|
|
|
StringValue(val);
|
|
Data_Get_Struct(self, struct ptr_data, data);
|
|
dst = (void*)((long)(data->ptr) + DLNUM2LONG(key));
|
|
src = RSTRING(val)->ptr;
|
|
if( num == Qnil ){
|
|
len = RSTRING(val)->len;
|
|
}
|
|
else{
|
|
len = NUM2INT(num);
|
|
};
|
|
memcpy(dst, src, len);
|
|
return val;
|
|
};
|
|
|
|
if( ! (TYPE(key) == T_STRING || TYPE(key) == T_SYMBOL ) ){
|
|
rb_raise(rb_eTypeError, "the key must be a string or symbol");
|
|
};
|
|
|
|
id = rb_to_id(key);
|
|
Data_Get_Struct(self, struct ptr_data, data);
|
|
switch( data->ctype ){
|
|
case DLPTR_CTYPE_STRUCT:
|
|
offset = 0;
|
|
for( i=0; i < data->ids_num; i++ ){
|
|
if( data->ids[i] == id ){
|
|
switch( data->stype[i] ){
|
|
case 'I':
|
|
DLALIGN(data->ptr,offset,INT_ALIGN);
|
|
break;
|
|
case 'L':
|
|
DLALIGN(data->ptr,offset,LONG_ALIGN);
|
|
break;
|
|
case 'P':
|
|
DLALIGN(data->ptr,offset,VOIDP_ALIGN);
|
|
break;
|
|
case 'D':
|
|
DLALIGN(data->ptr,offset,DOUBLE_ALIGN);
|
|
break;
|
|
case 'F':
|
|
DLALIGN(data->ptr,offset,FLOAT_ALIGN);
|
|
break;
|
|
case 'C':
|
|
break;
|
|
case 'H':
|
|
DLALIGN(data->ptr,offset,SHORT_ALIGN);
|
|
break;
|
|
default:
|
|
rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
|
|
};
|
|
memimg = ary2cary(data->stype[i], val, &memsize);
|
|
memcpy((char *)data->ptr + offset, memimg, memsize);
|
|
return val;
|
|
};
|
|
switch( data->stype[i] ){
|
|
case 'I':
|
|
case 'i':
|
|
offset += sizeof(int) * data->ssize[i];
|
|
break;
|
|
case 'L':
|
|
case 'l':
|
|
offset += sizeof(long) * data->ssize[i];
|
|
break;
|
|
case 'P':
|
|
case 'p':
|
|
offset += sizeof(void*) * data->ssize[i];
|
|
break;
|
|
case 'D':
|
|
case 'd':
|
|
offset += sizeof(double) * data->ssize[i];
|
|
break;
|
|
case 'F':
|
|
case 'f':
|
|
offset += sizeof(float) * data->ssize[i];
|
|
break;
|
|
case 'C':
|
|
case 'c':
|
|
offset += sizeof(char) * data->ssize[i];
|
|
break;
|
|
case 'H':
|
|
case 'h':
|
|
offset += sizeof(short) * data->ssize[i];
|
|
break;
|
|
default:
|
|
rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
|
|
};
|
|
};
|
|
return val;
|
|
/* break; */
|
|
case DLPTR_CTYPE_UNION:
|
|
for( i=0; i < data->ids_num; i++ ){
|
|
if( data->ids[i] == id ){
|
|
switch( data->stype[i] ){
|
|
case 'I': case 'i':
|
|
memsize = sizeof(int) * data->ssize[i];
|
|
break;
|
|
case 'L': case 'l':
|
|
memsize = sizeof(long) * data->ssize[i];
|
|
break;
|
|
case 'P': case 'p':
|
|
memsize = sizeof(void*) * data->ssize[i];
|
|
break;
|
|
case 'F': case 'f':
|
|
memsize = sizeof(float) * data->ssize[i];
|
|
break;
|
|
case 'D': case 'd':
|
|
memsize = sizeof(double) * data->ssize[i];
|
|
break;
|
|
case 'C': case 'c':
|
|
memsize = sizeof(char) * data->ssize[i];
|
|
break;
|
|
case 'H': case 'h':
|
|
memsize = sizeof(short) * data->ssize[i];
|
|
break;
|
|
default:
|
|
rb_raise(rb_eDLTypeError, "unsupported type '%c'", data->stype[i]);
|
|
};
|
|
memimg = ary2cary(data->stype[i], val, NULL);
|
|
memcpy(data->ptr, memimg, memsize);
|
|
};
|
|
};
|
|
return val;
|
|
/* break; */
|
|
};
|
|
|
|
rb_raise(rb_eNameError, "undefined key `%s' for %s",
|
|
rb_id2name(id), rb_class2name(CLASS_OF(self)));
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
VALUE
|
|
rb_dlptr_size(int argc, VALUE argv[], VALUE self)
|
|
{
|
|
VALUE size;
|
|
|
|
if( rb_scan_args(argc, argv, "01", &size) == 0){
|
|
return DLLONG2NUM(RDLPTR(self)->size);
|
|
}
|
|
else{
|
|
RDLPTR(self)->size = DLNUM2LONG(size);
|
|
return size;
|
|
};
|
|
}
|
|
|
|
static VALUE
|
|
dlmem_each_i(VALUE assoc, void *data)
|
|
{
|
|
VALUE key, val;
|
|
key = rb_ary_entry(assoc, 0);
|
|
val = rb_ary_entry(assoc, 1);
|
|
rb_yield(rb_assoc_new(key,(VALUE)DLNUM2LONG(val)));
|
|
return Qnil;
|
|
}
|
|
|
|
VALUE
|
|
rb_dlmem_each(VALUE self)
|
|
{
|
|
rb_iterate(rb_each, DLMemoryTable, dlmem_each_i, 0);
|
|
return Qnil;
|
|
}
|
|
|
|
void
|
|
Init_dlptr()
|
|
{
|
|
rb_cDLPtrData = rb_define_class_under(rb_mDL, "PtrData", rb_cData);
|
|
rb_define_singleton_method(rb_cDLPtrData, "new", rb_dlptr_s_new, -1);
|
|
rb_define_singleton_method(rb_cDLPtrData, "malloc", rb_dlptr_s_malloc, -1);
|
|
rb_define_method(rb_cDLPtrData, "initialize", rb_dlptr_init, -1);
|
|
rb_define_method(rb_cDLPtrData, "free=", rb_dlptr_free_set, 1);
|
|
rb_define_method(rb_cDLPtrData, "free", rb_dlptr_free_get, 0);
|
|
rb_define_method(rb_cDLPtrData, "to_i", rb_dlptr_to_i, 0);
|
|
rb_define_method(rb_cDLPtrData, "ptr", rb_dlptr_ptr, 0);
|
|
rb_define_method(rb_cDLPtrData, "+@", rb_dlptr_ptr, 0);
|
|
rb_define_method(rb_cDLPtrData, "ref", rb_dlptr_ref, 0);
|
|
rb_define_method(rb_cDLPtrData, "-@", rb_dlptr_ref, 0);
|
|
rb_define_method(rb_cDLPtrData, "null?", rb_dlptr_null_p, 0);
|
|
rb_define_method(rb_cDLPtrData, "to_a", rb_dlptr_to_array, -1);
|
|
rb_define_method(rb_cDLPtrData, "to_s", rb_dlptr_to_s, -1);
|
|
rb_define_method(rb_cDLPtrData, "to_str", rb_dlptr_to_str, -1);
|
|
rb_define_method(rb_cDLPtrData, "inspect", rb_dlptr_inspect, 0);
|
|
rb_define_method(rb_cDLPtrData, "<=>", rb_dlptr_cmp, 1);
|
|
rb_define_method(rb_cDLPtrData, "==", rb_dlptr_eql, 1);
|
|
rb_define_method(rb_cDLPtrData, "eql?", rb_dlptr_eql, 1);
|
|
rb_define_method(rb_cDLPtrData, "+", rb_dlptr_plus, 1);
|
|
rb_define_method(rb_cDLPtrData, "-", rb_dlptr_minus, 1);
|
|
rb_define_method(rb_cDLPtrData, "define_data_type",
|
|
rb_dlptr_define_data_type, -1);
|
|
rb_define_method(rb_cDLPtrData, "struct!", rb_dlptr_define_struct, -1);
|
|
rb_define_method(rb_cDLPtrData, "union!", rb_dlptr_define_union, -1);
|
|
rb_define_method(rb_cDLPtrData, "data_type", rb_dlptr_get_data_type, 0);
|
|
rb_define_method(rb_cDLPtrData, "[]", rb_dlptr_aref, -1);
|
|
rb_define_method(rb_cDLPtrData, "[]=", rb_dlptr_aset, -1);
|
|
rb_define_method(rb_cDLPtrData, "size", rb_dlptr_size, -1);
|
|
rb_define_method(rb_cDLPtrData, "size=", rb_dlptr_size, -1);
|
|
|
|
rb_mDLMemorySpace = rb_define_module_under(rb_mDL, "MemorySpace");
|
|
DLMemoryTable = rb_hash_new();
|
|
rb_define_const(rb_mDLMemorySpace, "MemoryTable", DLMemoryTable);
|
|
rb_define_module_function(rb_mDLMemorySpace, "each", rb_dlmem_each, 0);
|
|
}
|