summaryrefslogtreecommitdiff
path: root/deps/v8/src/torque/declarations.h
blob: 00e0facefef4dcfd154a1ebff8504b96a398791f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_TORQUE_DECLARATIONS_H_
#define V8_TORQUE_DECLARATIONS_H_

#include <string>

#include "src/torque/declarable.h"
#include "src/torque/utils.h"

namespace v8 {
namespace internal {
namespace torque {

static constexpr const char* const kFromConstexprMacroName = "FromConstexpr";
static constexpr const char* kTrueLabelName = "__True";
static constexpr const char* kFalseLabelName = "__False";
static constexpr const char* kMacroEndLabelName = "__macro_end";
static constexpr const char* kBreakLabelName = "__break";
static constexpr const char* kContinueLabelName = "__continue";
static constexpr const char* kCatchLabelName = "__catch";
static constexpr const char* kNextCaseLabelName = "__NextCase";

template <class T>
std::vector<T*> FilterDeclarables(const std::vector<Declarable*> list) {
  std::vector<T*> result;
  for (Declarable* declarable : list) {
    if (T* t = T::DynamicCast(declarable)) {
      result.push_back(t);
    }
  }
  return result;
}

class Declarations {
 public:
  static std::vector<Declarable*> TryLookup(const QualifiedName& name) {
    return CurrentScope::Get()->Lookup(name);
  }

  static std::vector<Declarable*> TryLookupShallow(const QualifiedName& name) {
    return CurrentScope::Get()->LookupShallow(name);
  }

  template <class T>
  static std::vector<T*> TryLookup(const QualifiedName& name) {
    return FilterDeclarables<T>(TryLookup(name));
  }

  static std::vector<Declarable*> Lookup(const QualifiedName& name) {
    std::vector<Declarable*> d = TryLookup(name);
    if (d.empty()) {
      ReportError("cannot find \"", name, "\"");
    }
    return d;
  }

  static std::vector<Declarable*> LookupGlobalScope(const std::string& name);

  static const TypeAlias* LookupTypeAlias(const QualifiedName& name);
  static const Type* LookupType(const QualifiedName& name);
  static const Type* LookupType(const Identifier* identifier);
  static const Type* LookupGlobalType(const std::string& name);

  static Builtin* FindSomeInternalBuiltinWithType(
      const BuiltinPointerType* type);

  static Value* LookupValue(const QualifiedName& name);

  static Macro* TryLookupMacro(const std::string& name,
                               const TypeVector& types);
  static base::Optional<Builtin*> TryLookupBuiltin(const QualifiedName& name);

  static std::vector<Generic*> LookupGeneric(const std::string& name);
  static Generic* LookupUniqueGeneric(const QualifiedName& name);

  static GenericStructType* LookupUniqueGenericStructType(
      const QualifiedName& name);

  static Namespace* DeclareNamespace(const std::string& name);
  static TypeAlias* DeclareType(const Identifier* name, const Type* type);

  static const TypeAlias* PredeclareTypeAlias(const Identifier* name,
                                              TypeDeclaration* type,
                                              bool redeclaration);
  static TorqueMacro* CreateTorqueMacro(std::string external_name,
                                        std::string readable_name,
                                        bool exported_to_csa,
                                        Signature signature, bool transitioning,
                                        base::Optional<Statement*> body,
                                        bool is_user_defined);
  static ExternMacro* CreateExternMacro(std::string name,
                                        std::string external_assembler_name,
                                        Signature signature,
                                        bool transitioning);
  static Macro* DeclareMacro(
      const std::string& name, bool accessible_from_csa,
      base::Optional<std::string> external_assembler_name,
      const Signature& signature, bool transitioning,
      base::Optional<Statement*> body, base::Optional<std::string> op = {},
      bool is_user_defined = true);

  static Method* CreateMethod(AggregateType* class_type,
                              const std::string& name, Signature signature,
                              bool transitioning, Statement* body);

  static Intrinsic* CreateIntrinsic(const std::string& name,
                                    const Signature& signature);

  static Intrinsic* DeclareIntrinsic(const std::string& name,
                                     const Signature& signature);

  static Builtin* CreateBuiltin(std::string external_name,
                                std::string readable_name, Builtin::Kind kind,
                                Signature signature, bool transitioning,
                                base::Optional<Statement*> body);
  static Builtin* DeclareBuiltin(const std::string& name, Builtin::Kind kind,
                                 const Signature& signature, bool transitioning,
                                 base::Optional<Statement*> body);

  static RuntimeFunction* DeclareRuntimeFunction(const std::string& name,
                                                 const Signature& signature,
                                                 bool transitioning);

  static void DeclareExternConstant(Identifier* name, const Type* type,
                                    std::string value);
  static NamespaceConstant* DeclareNamespaceConstant(Identifier* name,
                                                     const Type* type,
                                                     Expression* body);

  static Generic* DeclareGeneric(const std::string& name,
                                 GenericDeclaration* generic);
  static GenericStructType* DeclareGenericStructType(const std::string& name,
                                                     StructDeclaration* decl);

  template <class T>
  static T* Declare(const std::string& name, T* d) {
    CurrentScope::Get()->AddDeclarable(name, d);
    return d;
  }
  template <class T>
  static T* Declare(const std::string& name, std::unique_ptr<T> d) {
    return CurrentScope::Get()->AddDeclarable(name,
                                              RegisterDeclarable(std::move(d)));
  }
  static Macro* DeclareOperator(const std::string& name, Macro* m);

  static std::string GetGeneratedCallableName(
      const std::string& name, const TypeVector& specialized_types);
};

}  // namespace torque
}  // namespace internal
}  // namespace v8

#endif  // V8_TORQUE_DECLARATIONS_H_