// Copyright (c) 2015 The Khronos Group Inc.
//
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// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
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// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
//    https://www.khronos.org/registry/
//
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#ifndef LIBSPIRV_TABLE_H_
#define LIBSPIRV_TABLE_H_

#include "libspirv/libspirv.h"

typedef struct spv_opcode_desc_t {
  const char* name;
  const SpvOp opcode;
  const spv_capability_mask_t
      capabilities;  // Bitfield of SPV_CAPABILITY_AS_MASK(spv::Capability)
  // operandTypes[0..numTypes-1] describe logical operands for the instruction.
  // The operand types include result id and result-type id, followed by
  // the types of arguments.
  uint16_t numTypes;
  spv_operand_type_t operandTypes[16];  // TODO: Smaller/larger?
  const bool hasResult;  // Does the instruction have a result ID operand?
  const bool hasType;    // Does the instruction have a type ID operand?
  // The operand class for each logical argument.  This does *not* include
  // the result Id or type ID.  The list is terminated by SPV_OPERAND_TYPE_NONE.
  const OperandClass operandClass[16];
} spv_opcode_desc_t;

typedef struct spv_operand_desc_t {
  const char* name;
  const uint32_t value;
  const spv_capability_mask_t
      capabilities;  // Bitfield of SPV_CAPABILITY_AS_MASK(spv::Capability)
  const spv_operand_type_t operandTypes[16];  // TODO: Smaller/larger?
} spv_operand_desc_t;

typedef struct spv_operand_desc_group_t {
  const spv_operand_type_t type;
  const uint32_t count;
  const spv_operand_desc_t* entries;
} spv_operand_desc_group_t;

typedef struct spv_ext_inst_desc_t {
  const char* name;
  const uint32_t ext_inst;
  const spv_operand_type_t operandTypes[16];  // TODO: Smaller/larger?
} spv_ext_inst_desc_t;

typedef struct spv_ext_inst_group_t {
  const spv_ext_inst_type_t type;
  const uint32_t count;
  const spv_ext_inst_desc_t* entries;
} spv_ext_inst_group_t;

typedef struct spv_opcode_table_t {
  const uint32_t count;
  const spv_opcode_desc_t* entries;
} spv_opcode_table_t;

typedef struct spv_operand_table_t {
  const uint32_t count;
  const spv_operand_desc_group_t* types;
} spv_operand_table_t;

typedef struct spv_ext_inst_table_t {
  const uint32_t count;
  const spv_ext_inst_group_t* groups;
} spv_ext_inst_table_t;

typedef const spv_opcode_desc_t* spv_opcode_desc;
typedef const spv_operand_desc_t* spv_operand_desc;
typedef const spv_ext_inst_desc_t* spv_ext_inst_desc;

typedef const spv_opcode_table_t* spv_opcode_table;
typedef const spv_operand_table_t* spv_operand_table;
typedef const spv_ext_inst_table_t* spv_ext_inst_table;

/// @brief Populate the Opcode table
///
/// @param[out] pOpcodeTable table to be populated
///
/// @return result code
spv_result_t spvOpcodeTableGet(spv_opcode_table* pOpcodeTable);

/// @brief Populate the operand table
///
/// @param[in] pOperandTable table to be populated
///
/// @return result code
spv_result_t spvOperandTableGet(spv_operand_table* pOperandTable);

/// @brief Populate the extended instruction table
///
/// @param pTable table to be populated
///
/// @return result code
spv_result_t spvExtInstTableGet(spv_ext_inst_table* pTable);

#endif  // LIBSPIRV_TABLE_H_