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📄 Boolean.h(4.12 KB)
📄 ByteCodeEmitter.cpp(5.38 KB)
📄 ByteCodeEmitter.h(3.13 KB)
📄 ByteCodeExprGen.cpp(16.6 KB)
📄 ByteCodeExprGen.h(10.2 KB)
📄 ByteCodeGenError.cpp(483 B)
📄 ByteCodeGenError.h(1.36 KB)
📄 ByteCodeStmtGen.cpp(7.21 KB)
📄 ByteCodeStmtGen.h(2.39 KB)
📄 Context.cpp(3.28 KB)
📄 Context.h(2.39 KB)
📄 Descriptor.cpp(10.31 KB)
📄 Descriptor.h(7.82 KB)
📄 Disasm.cpp(1.95 KB)
📄 EvalEmitter.cpp(7.6 KB)
📄 EvalEmitter.h(3.7 KB)
📄 Frame.cpp(464 B)
📄 Frame.h(1.28 KB)
📄 Function.cpp(1.73 KB)
📄 Function.h(4.91 KB)
📄 Integral.h(8.38 KB)
📄 Interp.cpp(11.54 KB)
📄 Interp.h(30.64 KB)
📄 InterpBlock.cpp(1.91 KB)
📄 InterpBlock.h(4.11 KB)
📄 InterpFrame.cpp(5.32 KB)
📄 InterpFrame.h(4.54 KB)
📄 InterpStack.cpp(1.81 KB)
📄 InterpStack.h(3.43 KB)
📄 InterpState.cpp(2.03 KB)
📄 InterpState.h(3.29 KB)
📄 Opcode.h(817 B)
📄 Opcodes.td(11.02 KB)
📄 Pointer.cpp(4.97 KB)
📄 Pointer.h(11.08 KB)
📄 PrimType.cpp(648 B)
📄 PrimType.h(4.66 KB)
📄 Program.cpp(11.29 KB)
📄 Program.h(6.66 KB)
📄 Record.cpp(1.54 KB)
📄 Record.h(3.76 KB)
📄 Source.cpp(1.15 KB)
📄 Source.h(3.25 KB)
📄 State.cpp(5.34 KB)
📄 State.h(4.01 KB)

Editing: PrimType.h

//===--- PrimType.h - Types for the constexpr VM --------------------*- C++ -*-===//
//
// Part of the LLVM 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
//
//===----------------------------------------------------------------------===//
//
// Defines the VM types and helpers operating on types.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_AST_INTERP_TYPE_H
#define LLVM_CLANG_AST_INTERP_TYPE_H

#include <climits>
#include <cstddef>
#include <cstdint>
#include "Boolean.h"
#include "Integral.h"
#include "Pointer.h"

namespace clang {
namespace interp {

/// Enumeration of the primitive types of the VM.
enum PrimType : unsigned {
  PT_Sint8,
  PT_Uint8,
  PT_Sint16,
  PT_Uint16,
  PT_Sint32,
  PT_Uint32,
  PT_Sint64,
  PT_Uint64,
  PT_Bool,
  PT_Ptr,
};

/// Mapping from primitive types to their representation.
template <PrimType T> struct PrimConv;
template <> struct PrimConv<PT_Sint8> { using T = Integral<8, true>; };
template <> struct PrimConv<PT_Uint8> { using T = Integral<8, false>; };
template <> struct PrimConv<PT_Sint16> { using T = Integral<16, true>; };
template <> struct PrimConv<PT_Uint16> { using T = Integral<16, false>; };
template <> struct PrimConv<PT_Sint32> { using T = Integral<32, true>; };
template <> struct PrimConv<PT_Uint32> { using T = Integral<32, false>; };
template <> struct PrimConv<PT_Sint64> { using T = Integral<64, true>; };
template <> struct PrimConv<PT_Uint64> { using T = Integral<64, false>; };
template <> struct PrimConv<PT_Bool> { using T = Boolean; };
template <> struct PrimConv<PT_Ptr> { using T = Pointer; };

/// Returns the size of a primitive type in bytes.
size_t primSize(PrimType Type);

/// Aligns a size to the pointer alignment.
constexpr size_t align(size_t Size) {
  return ((Size + alignof(void *) - 1) / alignof(void *)) * alignof(void *);
}

inline bool isPrimitiveIntegral(PrimType Type) {
  switch (Type) {
  case PT_Bool:
  case PT_Sint8:
  case PT_Uint8:
  case PT_Sint16:
  case PT_Uint16:
  case PT_Sint32:
  case PT_Uint32:
  case PT_Sint64:
  case PT_Uint64:
    return true;
  default:
    return false;
  }
}

} // namespace interp
} // namespace clang

/// Helper macro to simplify type switches.
/// The macro implicitly exposes a type T in the scope of the inner block.
#define TYPE_SWITCH_CASE(Name, B) \
  case Name: { using T = PrimConv<Name>::T; do {B;} while(0); break; }
#define TYPE_SWITCH(Expr, B)                                                   \
  switch (Expr) {                                                              \
    TYPE_SWITCH_CASE(PT_Sint8, B)                                              \
    TYPE_SWITCH_CASE(PT_Uint8, B)                                              \
    TYPE_SWITCH_CASE(PT_Sint16, B)                                             \
    TYPE_SWITCH_CASE(PT_Uint16, B)                                             \
    TYPE_SWITCH_CASE(PT_Sint32, B)                                             \
    TYPE_SWITCH_CASE(PT_Uint32, B)                                             \
    TYPE_SWITCH_CASE(PT_Sint64, B)                                             \
    TYPE_SWITCH_CASE(PT_Uint64, B)                                             \
    TYPE_SWITCH_CASE(PT_Bool, B)                                               \
    TYPE_SWITCH_CASE(PT_Ptr, B)                                                \
  }
#define COMPOSITE_TYPE_SWITCH(Expr, B, D)                                      \
  switch (Expr) {                                                              \
    TYPE_SWITCH_CASE(PT_Ptr, B)                                                \
    default: do { D; } while(0); break;                                        \
  }
#define INT_TYPE_SWITCH(Expr, B)                                               \
  switch (Expr) {                                                              \
    TYPE_SWITCH_CASE(PT_Sint8, B)                                              \
    TYPE_SWITCH_CASE(PT_Uint8, B)                                              \
    TYPE_SWITCH_CASE(PT_Sint16, B)                                             \
    TYPE_SWITCH_CASE(PT_Uint16, B)                                             \
    TYPE_SWITCH_CASE(PT_Sint32, B)                                             \
    TYPE_SWITCH_CASE(PT_Uint32, B)                                             \
    TYPE_SWITCH_CASE(PT_Sint64, B)                                             \
    TYPE_SWITCH_CASE(PT_Uint64, B)                                             \
    default: llvm_unreachable("not an integer");                               \
  }
#endif

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Editing: PrimType.h

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