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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 #ifndef VM_SOURCE_REPORT_H_ |
| 6 #define VM_SOURCE_REPORT_H_ |
| 7 |
| 8 #include "vm/allocation.h" |
| 9 #include "vm/flags.h" |
| 10 #include "vm/hash_map.h" |
| 11 #include "vm/object.h" |
| 12 |
| 13 namespace dart { |
| 14 |
| 15 // A SourceReport object is used to generate reports about the program |
| 16 // source code, with information associated with source token |
| 17 // positions. There are multiple possible kinds of reports. |
| 18 class SourceReport { |
| 19 public: |
| 20 enum ReportKind { |
| 21 kCallSites, |
| 22 kCoverage, |
| 23 }; |
| 24 |
| 25 enum CompileMode { |
| 26 kNoCompile, |
| 27 kForceCompile |
| 28 }; |
| 29 |
| 30 explicit SourceReport(ReportKind report_kind, |
| 31 CompileMode compile = kNoCompile); |
| 32 |
| 33 // Generate a source report for (some subrange of) a script. |
| 34 // |
| 35 // If script is null, then the report is generated for all scripts |
| 36 // in the isolate. |
| 37 void PrintJSON(JSONStream* js, const Script& script, |
| 38 intptr_t start_pos = -1, intptr_t end_pos = -1); |
| 39 |
| 40 private: |
| 41 void Init(Thread* thread, const Script* script, |
| 42 intptr_t start_pos, intptr_t end_pos); |
| 43 |
| 44 Thread* thread() const { return thread_; } |
| 45 Zone* zone() const { return thread_->zone(); } |
| 46 |
| 47 bool ShouldSkipFunction(const Function& func); |
| 48 intptr_t GetScriptIndex(const Script& script); |
| 49 bool ScriptIsLoadedByLibrary(const Script& script, const Library& lib); |
| 50 |
| 51 void PrintCallSitesData(JSONObject* jsobj, |
| 52 const Function& func, const Code& code); |
| 53 void PrintCoverageData(JSONObject* jsobj, |
| 54 const Function& func, const Code& code); |
| 55 void PrintScriptTable(JSONArray* jsarr); |
| 56 |
| 57 void VisitFunction(JSONArray* jsarr, const Function& func); |
| 58 void VisitLibrary(JSONArray* jsarr, const Library& lib); |
| 59 void VisitClosures(JSONArray* jsarr); |
| 60 |
| 61 // An entry in the script table. |
| 62 struct ScriptTableEntry { |
| 63 ScriptTableEntry() : key(NULL), index(-1), script(NULL) {} |
| 64 |
| 65 const String* key; |
| 66 intptr_t index; |
| 67 const Script* script; |
| 68 }; |
| 69 |
| 70 // Needed for DirectChainedHashMap. |
| 71 struct ScriptTableTrait { |
| 72 typedef ScriptTableEntry* Value; |
| 73 typedef const String* Key; |
| 74 typedef ScriptTableEntry* Pair; |
| 75 |
| 76 static Key KeyOf(Pair kv) { |
| 77 return kv->key; |
| 78 } |
| 79 |
| 80 static Value ValueOf(Pair kv) { |
| 81 return kv; |
| 82 } |
| 83 |
| 84 static inline intptr_t Hashcode(Key key) { |
| 85 return key->Hash(); |
| 86 } |
| 87 |
| 88 static inline bool IsKeyEqual(Pair kv, Key key) { |
| 89 return kv->key->Equals(*key); |
| 90 } |
| 91 }; |
| 92 |
| 93 ReportKind report_kind_; |
| 94 CompileMode compile_mode_; |
| 95 Thread* thread_; |
| 96 const Script* script_; |
| 97 intptr_t start_pos_; |
| 98 intptr_t end_pos_; |
| 99 GrowableArray<ScriptTableEntry> script_table_entries_; |
| 100 DirectChainedHashMap<ScriptTableTrait> script_table_; |
| 101 intptr_t next_script_index_; |
| 102 }; |
| 103 |
| 104 } // namespace dart |
| 105 |
| 106 #endif // VM_SOURCE_REPORT_H_ |
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