Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/handles.h" |
| 6 | #include "src/interface-descriptors.h" |
| 7 | #include "src/isolate.h" |
| 8 | #include "test/cctest/compiler/function-tester.h" |
| 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | namespace compiler { |
| 13 | |
| 14 | class ZoneHolder { |
| 15 | public: |
| 16 | explicit ZoneHolder(Isolate* isolate) : zone_(isolate->allocator()) {} |
| 17 | Zone* zone() { return &zone_; } |
| 18 | |
| 19 | private: |
| 20 | Zone zone_; |
| 21 | }; |
| 22 | |
| 23 | // Inherit from ZoneHolder in order to create a zone that can be passed to |
| 24 | // CodeAssembler base class constructor. |
| 25 | template <typename CodeAssemblerT> |
| 26 | class CodeAssemblerTesterImpl : private ZoneHolder, public CodeAssemblerT { |
| 27 | public: |
| 28 | // Test generating code for a stub. |
| 29 | CodeAssemblerTesterImpl(Isolate* isolate, |
| 30 | const CallInterfaceDescriptor& descriptor) |
| 31 | : ZoneHolder(isolate), |
| 32 | CodeAssemblerT(isolate, ZoneHolder::zone(), descriptor, |
| 33 | Code::ComputeFlags(Code::STUB), "test"), |
| 34 | scope_(isolate) {} |
| 35 | |
| 36 | // Test generating code for a JS function (e.g. builtins). |
| 37 | CodeAssemblerTesterImpl(Isolate* isolate, int parameter_count) |
| 38 | : ZoneHolder(isolate), |
| 39 | CodeAssemblerT(isolate, ZoneHolder::zone(), parameter_count, |
| 40 | Code::ComputeFlags(Code::FUNCTION), "test"), |
| 41 | scope_(isolate) {} |
| 42 | |
| 43 | // This constructor is intended to be used for creating code objects with |
| 44 | // specific flags. |
| 45 | CodeAssemblerTesterImpl(Isolate* isolate, Code::Flags flags) |
| 46 | : ZoneHolder(isolate), |
| 47 | CodeAssemblerT(isolate, ZoneHolder::zone(), 0, flags, "test"), |
| 48 | scope_(isolate) {} |
| 49 | |
| 50 | Handle<Code> GenerateCodeCloseAndEscape() { |
| 51 | return scope_.CloseAndEscape(CodeAssemblerT::GenerateCode()); |
| 52 | } |
| 53 | |
| 54 | // Expose some internal methods. |
| 55 | |
| 56 | Node* SmiShiftBitsConstant() { |
| 57 | return CodeAssemblerT::SmiShiftBitsConstant(); |
| 58 | } |
| 59 | |
| 60 | private: |
| 61 | HandleScope scope_; |
| 62 | LocalContext context_; |
| 63 | }; |
| 64 | |
| 65 | } // namespace compiler |
| 66 | } // namespace internal |
| 67 | } // namespace v8 |