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/*
* Copyright (c) 2008, 2009, Wayne Meissner
* Copyright (c) 2009, Luc Heinrich <luc@honk-honk.com>
*
* All rights reserved.
*
* This file is part of ruby-ffi.
*
* This code is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License version 3 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with this work. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef RBFFI_STRUCT_H
#define RBFFI_STRUCT_H
#include "extconf.h"
#include "AbstractMemory.h"
#include "Type.h"
#ifdef RUBY_1_9
#include <ruby/st.h>
#else
#include <st.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
extern void rbffi_Struct_Init(VALUE ffiModule);
extern void rbffi_StructLayout_Init(VALUE ffiModule);
typedef struct StructField_ StructField;
typedef struct StructLayout_ StructLayout;
typedef struct Struct_ Struct;
struct StructField_ {
Type* type;
unsigned int offset;
int referenceIndex;
bool referenceRequired;
VALUE rbType;
VALUE rbName;
VALUE (*get)(StructField* field, Struct* s);
void (*put)(StructField* field, Struct* s, VALUE value);
MemoryOp* memoryOp;
};
struct StructLayout_ {
Type base;
StructField** fields;
int fieldCount;
int size;
int align;
ffi_type** ffiTypes;
struct st_table* fieldSymbolTable;
/** The number of reference tracking fields in this struct */
int referenceFieldCount;
VALUE rbFieldNames;
VALUE rbFieldMap;
VALUE rbFields;
};
struct Struct_ {
StructLayout* layout;
AbstractMemory* pointer;
VALUE* rbReferences;
VALUE rbLayout;
VALUE rbPointer;
};
extern VALUE rbffi_StructClass, rbffi_StructLayoutClass;
extern VALUE rbffi_StructLayoutFieldClass, rbffi_StructLayoutFunctionFieldClass;
extern VALUE rbffi_StructLayoutArrayFieldClass;
extern VALUE rbffi_StructInlineArrayClass;
extern VALUE rbffi_StructLayoutCharArrayClass;
#ifdef __cplusplus
}
#endif
#endif /* RBFFI_STRUCT_H */
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