CompilerInterfaceTypes.h

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//===-- CompilerInterfaceTypes.cpp -- JIT compiler interface types --===//
//
// Part of the Proteus Project, under the Apache License v2.0 with LLVM
// Exceptions. See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
 
#ifndef PROTEUS_COMPILERINTERFACETYPES_H
#define PROTEUS_COMPILERINTERFACETYPES_H
 
#include <cstring>
#include <stdint.h>
 
namespace proteus {
 
enum RuntimeConstantType : int32_t {
  BOOL = 1,
  INT8,
  INT32,
  INT64,
  FLOAT,
  DOUBLE,
  LONG_DOUBLE,
  PTR
};
 
struct RuntimeConstantInfo {
  RuntimeConstantType Type;
  int32_t Pos;
 
  explicit RuntimeConstantInfo(RuntimeConstantType Type, int32_t Pos)
      : Type(Type), Pos(Pos) {}
};
 
struct RuntimeConstant {
  using RuntimeConstantValue = union {
    bool BoolVal;
    int8_t Int8Val;
    int32_t Int32Val;
    int64_t Int64Val;
    float FloatVal;
    double DoubleVal;
    long double LongDoubleVal;
    // TODO: This allows pointer as runtime constant values. How useful is
    // that?
    void *PtrVal;
  };
  RuntimeConstantValue Value;
  RuntimeConstantType Type;
  int32_t Pos;
  int32_t Slot{-1};
 
  explicit RuntimeConstant(RuntimeConstantType Type, int32_t Pos)
      : Type(Type), Pos(Pos) {
    std::memset(&Value, 0, sizeof(RuntimeConstantValue));
  }
  explicit RuntimeConstant() {
    std::memset(&Value, 0, sizeof(RuntimeConstantValue));
  }
 
  RuntimeConstant(const RuntimeConstant &) = default;
  RuntimeConstant(RuntimeConstant &&) = default;
  RuntimeConstant &operator=(const RuntimeConstant &) = default;
  RuntimeConstant &operator=(RuntimeConstant &&) = default;
};
 
} // namespace proteus
 
#endif