Initial import of v8-native WASM.

test/cctest/wasm/test-signatures.h

+// Copyright 2015 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 TEST_SIGNATURES_H
+#define TEST_SIGNATURES_H
+
+#include "src/signature.h"
+#include "src/wasm/wasm-opcodes.h"
+
+namespace v8 {
+namespace internal {
+namespace wasm {
+
+typedef Signature<LocalType> FunctionSig;
+
+// A helper class with many useful signatures in order to simplify tests.
+class TestSignatures {
+ public:
+  TestSignatures()
+      : sig_i_v(1, 0, kIntTypes4),
+        sig_i_i(1, 1, kIntTypes4),
+        sig_i_ii(1, 2, kIntTypes4),
+        sig_i_iii(1, 3, kIntTypes4),
+        sig_i_f(1, 1, kIntFloatTypes4),
+        sig_i_ff(1, 2, kIntFloatTypes4),
+        sig_i_d(1, 1, kIntDoubleTypes4),
+        sig_i_dd(1, 2, kIntDoubleTypes4),
+        sig_l_v(1, 0, kLongTypes4),
+        sig_l_l(1, 1, kLongTypes4),
+        sig_l_ll(1, 2, kLongTypes4),
+        sig_i_ll(1, 2, kIntLongTypes4),
+        sig_f_ff(1, 2, kFloatTypes4),
+        sig_d_dd(1, 2, kDoubleTypes4),
+        sig_v_v(0, 0, kIntTypes4),
+        sig_v_i(0, 1, kIntTypes4),
+        sig_v_ii(0, 2, kIntTypes4),
+        sig_v_iii(0, 3, kIntTypes4) {
+    // I used C++ and you won't believe what happened next....
+    for (int i = 0; i < 4; i++) kIntTypes4[i] = kAstI32;
+    for (int i = 0; i < 4; i++) kLongTypes4[i] = kAstI64;
+    for (int i = 0; i < 4; i++) kFloatTypes4[i] = kAstF32;
+    for (int i = 0; i < 4; i++) kDoubleTypes4[i] = kAstF64;
+    for (int i = 0; i < 4; i++) kIntLongTypes4[i] = kAstI64;
+    for (int i = 0; i < 4; i++) kIntFloatTypes4[i] = kAstF32;
+    for (int i = 0; i < 4; i++) kIntDoubleTypes4[i] = kAstF64;
+    kIntLongTypes4[0] = kAstI32;
+    kIntFloatTypes4[0] = kAstI32;
+    kIntDoubleTypes4[0] = kAstI32;
+  }
+
+  FunctionSig* i_v() { return &sig_i_v; }
+  FunctionSig* i_i() { return &sig_i_i; }
+  FunctionSig* i_ii() { return &sig_i_ii; }
+  FunctionSig* i_iii() { return &sig_i_iii; }
+
+  FunctionSig* i_f() { return &sig_i_f; }
+  FunctionSig* i_ff() { return &sig_i_ff; }
+  FunctionSig* i_d() { return &sig_i_d; }
+  FunctionSig* i_dd() { return &sig_i_dd; }
+
+  FunctionSig* l_v() { return &sig_l_v; }
+  FunctionSig* l_l() { return &sig_l_l; }
+  FunctionSig* l_ll() { return &sig_l_ll; }
+  FunctionSig* i_ll() { return &sig_i_ll; }
+
+  FunctionSig* f_ff() { return &sig_f_ff; }
+  FunctionSig* d_dd() { return &sig_d_dd; }
+
+  FunctionSig* v_v() { return &sig_v_v; }
+  FunctionSig* v_i() { return &sig_v_i; }
+  FunctionSig* v_ii() { return &sig_v_ii; }
+  FunctionSig* v_iii() { return &sig_v_iii; }
+
+ private:
+  LocalType kIntTypes4[4];
+  LocalType kLongTypes4[4];
+  LocalType kFloatTypes4[4];
+  LocalType kDoubleTypes4[4];
+  LocalType kIntLongTypes4[4];
+  LocalType kIntFloatTypes4[4];
+  LocalType kIntDoubleTypes4[4];
+
+  FunctionSig sig_i_v;
+  FunctionSig sig_i_i;
+  FunctionSig sig_i_ii;
+  FunctionSig sig_i_iii;
+
+  FunctionSig sig_i_f;
+  FunctionSig sig_i_ff;
+  FunctionSig sig_i_d;
+  FunctionSig sig_i_dd;
+
+  FunctionSig sig_l_v;
+  FunctionSig sig_l_l;
+  FunctionSig sig_l_ll;
+  FunctionSig sig_i_ll;
+
+  FunctionSig sig_f_ff;
+  FunctionSig sig_d_dd;
+
+  FunctionSig sig_v_v;
+  FunctionSig sig_v_i;
+  FunctionSig sig_v_ii;
+  FunctionSig sig_v_iii;
+};
+}  // namespace wasm
+}  // namespace internal
+}  // namespace v8
+
+#endif  // TEST_SIGNATURES_H