dart::ArrayKeyValueTrait Class Reference

Public Types
typedef const Array *	Key
typedef const Array *	Value
typedef const Array *	Pair

Static Public Member Functions
static Key	KeyOf (Pair kv)
static Value	ValueOf (Pair kv)
static uword	Hash (Key key)
static bool	IsKeyEqual (Pair pair, Key key)

Detailed Description

Definition at line 1047 of file program_visitor.cc.

Member Typedef Documentation

Key

typedef const Array* dart::ArrayKeyValueTrait::Key

Definition at line 1050 of file program_visitor.cc.

Pair

typedef const Array* dart::ArrayKeyValueTrait::Pair

Definition at line 1052 of file program_visitor.cc.

Value

typedef const Array* dart::ArrayKeyValueTrait::Value

Definition at line 1051 of file program_visitor.cc.

Member Function Documentation

Hash()

static uword dart::ArrayKeyValueTrait::Hash ( Key  key )

inlinestatic

Definition at line 1058 of file program_visitor.cc.

                                    {
    ASSERT(!key->IsNull());
    ASSERT(Thread::Current()->no_safepoint_scope_depth() > 0);
    const intptr_t len = key->Length();
    uint32_t hash = Utils::WordHash(len);
    for (intptr_t i = 0; i < len; ++i) {
      hash =
          CombineHashes(hash, Utils::WordHash(static_cast<uword>(key->At(i))));
    }
    return hash;
  }

IsKeyEqual()

static bool dart::ArrayKeyValueTrait::IsKeyEqual ( Pair  pair, Key  key  )

inlinestatic

Definition at line 1070 of file program_visitor.cc.

                                                    {
    ASSERT(!pair->IsNull() && !key->IsNull());
    if (pair->Length() != key->Length()) return false;
    for (intptr_t i = 0; i < pair->Length(); i++) {
      if (pair->At(i) != key->At(i)) return false;
    }
    return true;
  }

KeyOf()

static Key dart::ArrayKeyValueTrait::KeyOf ( Pair  kv )

inlinestatic

Definition at line 1054 of file program_visitor.cc.

{ return kv; }

ValueOf()

static Value dart::ArrayKeyValueTrait::ValueOf ( Pair  kv )

inlinestatic

Definition at line 1056 of file program_visitor.cc.

{ return kv; }

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The documentation for this class was generated from the following file:

• third_party/dart-lang/sdk/runtime/vm/program_visitor.cc