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1 // Copyright 2016 the V8 project authors. All rights reserved. | 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 | 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/source-position.h" | 5 #include "src/source-position.h" |
6 #include "src/compilation-info.h" | 6 #include "src/compilation-info.h" |
7 #include "src/objects-inl.h" | 7 #include "src/objects-inl.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
11 | 11 |
12 std::ostream& operator<<(std::ostream& out, const SourcePositionInfo& pos) { | 12 std::ostream& operator<<(std::ostream& out, const SourcePositionInfo& pos) { |
13 Handle<SharedFunctionInfo> function(pos.function); | 13 Handle<SharedFunctionInfo> function; |
14 Handle<Script> script(Script::cast(function->script())); | 14 if (pos.function.ToHandle(&function)) { |
15 out << "<"; | 15 Handle<Script> script(Script::cast(function->script())); |
16 if (script->name()->IsString()) { | 16 out << "<"; |
17 out << String::cast(script->name())->ToCString(DISALLOW_NULLS).get(); | 17 if (script->name()->IsString()) { |
| 18 out << String::cast(script->name())->ToCString(DISALLOW_NULLS).get(); |
| 19 } else { |
| 20 out << "unknown"; |
| 21 } |
| 22 out << ":" << pos.line + 1 << ":" << pos.column + 1 << ">"; |
18 } else { | 23 } else { |
19 out << "unknown"; | 24 out << "<unknown:" << pos.position.ScriptOffset() << ">"; |
20 } | 25 } |
21 out << ":" << pos.line + 1 << ":" << pos.column + 1 << ">"; | |
22 return out; | 26 return out; |
23 } | 27 } |
24 | 28 |
25 std::ostream& operator<<(std::ostream& out, | 29 std::ostream& operator<<(std::ostream& out, |
26 const std::vector<SourcePositionInfo>& stack) { | 30 const std::vector<SourcePositionInfo>& stack) { |
27 bool first = true; | 31 out << stack.back(); |
28 for (const SourcePositionInfo& pos : stack) { | 32 for (int i = static_cast<int>(stack.size()) - 2; i >= 0; --i) { |
29 if (!first) out << " inlined at "; | 33 out << " inlined at "; |
30 out << pos; | 34 out << stack[i]; |
31 first = false; | |
32 } | 35 } |
33 return out; | 36 return out; |
34 } | 37 } |
35 | 38 |
36 std::ostream& operator<<(std::ostream& out, const SourcePosition& pos) { | 39 std::ostream& operator<<(std::ostream& out, const SourcePosition& pos) { |
37 if (pos.isInlined()) { | 40 if (pos.isInlined()) { |
38 out << "<inlined(" << pos.InliningId() << "):"; | 41 out << "<inlined(" << pos.InliningId() << "):"; |
39 } else { | 42 } else { |
40 out << "<not inlined:"; | 43 out << "<not inlined:"; |
41 } | 44 } |
42 out << pos.ScriptOffset() << ">"; | 45 out << pos.ScriptOffset() << ">"; |
43 return out; | 46 return out; |
44 } | 47 } |
45 | 48 |
46 SourcePositionInfo SourcePosition::Info( | 49 SourcePositionInfo SourcePosition::Info( |
47 Handle<SharedFunctionInfo> function) const { | 50 Handle<SharedFunctionInfo> function) const { |
48 SourcePositionInfo result(*this, function); | |
49 Handle<Script> script(Script::cast(function->script())); | 51 Handle<Script> script(Script::cast(function->script())); |
| 52 SourcePositionInfo result(*this); |
50 Script::PositionInfo pos; | 53 Script::PositionInfo pos; |
51 if (Script::GetPositionInfo(script, ScriptOffset(), &pos, | 54 if (Script::GetPositionInfo(script, ScriptOffset(), &pos, |
52 Script::WITH_OFFSET)) { | 55 Script::WITH_OFFSET)) { |
53 result.line = pos.line; | 56 result.line = pos.line; |
54 result.column = pos.column; | 57 result.column = pos.column; |
55 } | 58 } |
| 59 result.function = function; |
56 return result; | 60 return result; |
57 } | 61 } |
58 | 62 |
59 std::vector<SourcePositionInfo> SourcePosition::InliningStack( | 63 std::vector<SourcePositionInfo> SourcePosition::InliningStack( |
60 CompilationInfo* cinfo) const { | 64 CompilationInfo* cinfo) const { |
61 SourcePosition pos = *this; | 65 if (!isInlined()) { |
62 std::vector<SourcePositionInfo> stack; | 66 return std::vector<SourcePositionInfo>{Info(cinfo->shared_info())}; |
63 while (pos.isInlined()) { | 67 } else { |
64 const auto& inl = cinfo->inlined_functions()[pos.InliningId()]; | 68 InliningPosition inl = cinfo->inlined_functions()[InliningId()].position; |
65 stack.push_back(pos.Info(inl.shared_info)); | 69 std::vector<SourcePositionInfo> stack = inl.position.InliningStack(cinfo); |
66 pos = inl.position.position; | 70 stack.push_back(Info(cinfo->inlined_functions()[InliningId()].shared_info)); |
| 71 return stack; |
67 } | 72 } |
68 stack.push_back(pos.Info(cinfo->shared_info())); | |
69 return stack; | |
70 } | 73 } |
71 | 74 |
72 std::vector<SourcePositionInfo> SourcePosition::InliningStack( | 75 std::vector<SourcePositionInfo> SourcePosition::InliningStack( |
73 Handle<Code> code) const { | 76 Handle<Code> code) const { |
74 Handle<DeoptimizationInputData> deopt_data( | 77 Handle<DeoptimizationInputData> deopt_data( |
75 DeoptimizationInputData::cast(code->deoptimization_data())); | 78 DeoptimizationInputData::cast(code->deoptimization_data())); |
76 SourcePosition pos = *this; | 79 if (!isInlined()) { |
77 std::vector<SourcePositionInfo> stack; | |
78 while (pos.isInlined()) { | |
79 InliningPosition inl = | |
80 deopt_data->InliningPositions()->get(pos.InliningId()); | |
81 Handle<SharedFunctionInfo> function( | 80 Handle<SharedFunctionInfo> function( |
82 deopt_data->GetInlinedFunction(inl.inlined_function_id)); | 81 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo())); |
83 stack.push_back(pos.Info(function)); | 82 |
84 pos = inl.position; | 83 return std::vector<SourcePositionInfo>{Info(function)}; |
| 84 } else { |
| 85 InliningPosition inl = deopt_data->InliningPositions()->get(InliningId()); |
| 86 std::vector<SourcePositionInfo> stack = inl.position.InliningStack(code); |
| 87 if (inl.inlined_function_id == -1) { |
| 88 stack.push_back(SourcePositionInfo(*this)); |
| 89 } else { |
| 90 Handle<SharedFunctionInfo> function(SharedFunctionInfo::cast( |
| 91 deopt_data->LiteralArray()->get(inl.inlined_function_id))); |
| 92 stack.push_back(Info(function)); |
| 93 } |
| 94 return stack; |
85 } | 95 } |
86 Handle<SharedFunctionInfo> function( | |
87 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo())); | |
88 stack.push_back(pos.Info(function)); | |
89 return stack; | |
90 } | 96 } |
91 | 97 |
92 void SourcePosition::Print(std::ostream& out, | 98 void SourcePosition::Print(std::ostream& out, |
93 SharedFunctionInfo* function) const { | 99 SharedFunctionInfo* function) const { |
94 Script* script = Script::cast(function->script()); | 100 Script* script = Script::cast(function->script()); |
95 Object* source_name = script->name(); | 101 Object* source_name = script->name(); |
96 Script::PositionInfo pos; | 102 Script::PositionInfo pos; |
97 script->GetPositionInfo(ScriptOffset(), &pos, Script::WITH_OFFSET); | 103 script->GetPositionInfo(ScriptOffset(), &pos, Script::WITH_OFFSET); |
98 out << "<"; | 104 out << "<"; |
99 if (source_name->IsString()) { | 105 if (source_name->IsString()) { |
(...skipping 11 matching lines...) Expand all Loading... |
111 DeoptimizationInputData::cast(code->deoptimization_data()); | 117 DeoptimizationInputData::cast(code->deoptimization_data()); |
112 if (!isInlined()) { | 118 if (!isInlined()) { |
113 SharedFunctionInfo* function( | 119 SharedFunctionInfo* function( |
114 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo())); | 120 SharedFunctionInfo::cast(deopt_data->SharedFunctionInfo())); |
115 Print(out, function); | 121 Print(out, function); |
116 } else { | 122 } else { |
117 InliningPosition inl = deopt_data->InliningPositions()->get(InliningId()); | 123 InliningPosition inl = deopt_data->InliningPositions()->get(InliningId()); |
118 if (inl.inlined_function_id == -1) { | 124 if (inl.inlined_function_id == -1) { |
119 out << *this; | 125 out << *this; |
120 } else { | 126 } else { |
121 SharedFunctionInfo* function = | 127 SharedFunctionInfo* function = SharedFunctionInfo::cast( |
122 deopt_data->GetInlinedFunction(inl.inlined_function_id); | 128 deopt_data->LiteralArray()->get(inl.inlined_function_id)); |
123 Print(out, function); | 129 Print(out, function); |
124 } | 130 } |
125 out << " inlined at "; | 131 out << " inlined at "; |
126 inl.position.Print(out, code); | 132 inl.position.Print(out, code); |
127 } | 133 } |
128 } | 134 } |
129 | 135 |
130 } // namespace internal | 136 } // namespace internal |
131 } // namespace v8 | 137 } // namespace v8 |
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