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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/ast-loop-assignment-analyzer.h" | 5 #include "src/compiler/ast-loop-assignment-analyzer.h" |
6 #include "src/parser.h" | 6 #include "src/parser.h" |
7 #include "src/rewriter.h" | 7 #include "src/rewriter.h" |
8 #include "src/scopes.h" | 8 #include "src/scopes.h" |
9 #include "test/cctest/cctest.h" | 9 #include "test/cctest/cctest.h" |
10 | 10 |
11 using namespace v8::internal; | 11 using namespace v8::internal; |
12 using namespace v8::internal::compiler; | 12 using namespace v8::internal::compiler; |
13 | 13 |
14 namespace { | 14 namespace { |
15 const int kBufferSize = 1024; | 15 const int kBufferSize = 1024; |
16 | 16 |
17 struct TestHelper : public HandleAndZoneScope { | 17 struct TestHelper : public HandleAndZoneScope { |
18 char buffer[kBufferSize]; | |
19 Handle<JSFunction> function; | 18 Handle<JSFunction> function; |
20 LoopAssignmentAnalysis* result; | 19 LoopAssignmentAnalysis* result; |
21 | 20 |
22 explicit TestHelper(const char* body) | 21 explicit TestHelper(const char* body) |
23 : function(Handle<JSFunction>::null()), result(NULL) { | 22 : function(Handle<JSFunction>::null()), result(NULL) { |
24 snprintf(buffer, kBufferSize, "function f(a,b,c) { %s; } f;", body); | 23 ScopedVector<char> program(kBufferSize); |
25 v8::Local<v8::Value> v = CompileRun(buffer); | 24 SNPrintF(program, "function f(a,b,c) { %s; } f;", body); |
| 25 v8::Local<v8::Value> v = CompileRun(program.start()); |
26 Handle<Object> obj = v8::Utils::OpenHandle(*v); | 26 Handle<Object> obj = v8::Utils::OpenHandle(*v); |
27 function = Handle<JSFunction>::cast(obj); | 27 function = Handle<JSFunction>::cast(obj); |
28 } | 28 } |
29 | 29 |
30 void CheckLoopAssignedCount(int expected, const char* var_name) { | 30 void CheckLoopAssignedCount(int expected, const char* var_name) { |
31 // TODO(titzer): don't scope analyze every single time. | 31 // TODO(titzer): don't scope analyze every single time. |
32 CompilationInfo info(function, main_zone()); | 32 CompilationInfo info(function, main_zone()); |
33 | 33 |
34 CHECK(Parser::Parse(&info)); | 34 CHECK(Parser::Parse(&info)); |
35 CHECK(Rewriter::Rewrite(&info)); | 35 CHECK(Rewriter::Rewrite(&info)); |
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285 " while (1) z++;" | 285 " while (1) z++;" |
286 " }" | 286 " }" |
287 "}" | 287 "}" |
288 "w;"); | 288 "w;"); |
289 | 289 |
290 f.CheckLoopAssignedCount(1, "x"); | 290 f.CheckLoopAssignedCount(1, "x"); |
291 f.CheckLoopAssignedCount(3, "y"); | 291 f.CheckLoopAssignedCount(3, "y"); |
292 f.CheckLoopAssignedCount(5, "z"); | 292 f.CheckLoopAssignedCount(5, "z"); |
293 f.CheckLoopAssignedCount(0, "w"); | 293 f.CheckLoopAssignedCount(0, "w"); |
294 } | 294 } |
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