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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_DEBUGGER_H_ | 5 #ifndef VM_DEBUGGER_H_ |
6 #define VM_DEBUGGER_H_ | 6 #define VM_DEBUGGER_H_ |
7 | 7 |
8 #include "include/dart_debugger_api.h" | 8 #include "include/dart_debugger_api.h" |
9 | 9 |
10 #include "vm/object.h" | 10 #include "vm/object.h" |
11 #include "vm/port.h" | 11 #include "vm/port.h" |
12 | 12 |
13 namespace dart { | 13 namespace dart { |
14 | 14 |
15 class ActiveVariables; | 15 class ActiveVariables; |
16 class CodeBreakpoint; | 16 class CodeBreakpoint; |
17 class Isolate; | 17 class Isolate; |
18 class JSONArray; | 18 class JSONArray; |
19 class JSONStream; | 19 class JSONStream; |
20 class ObjectPointerVisitor; | 20 class ObjectPointerVisitor; |
21 class RemoteObjectCache; | 21 class RemoteObjectCache; |
22 class SourceBreakpoint; | 22 class SourceBreakpoint; |
23 class StackFrame; | 23 class StackFrame; |
24 | 24 |
25 // SourceBreakpoint represents a user-specified breakpoint location in | 25 // SourceBreakpoint represents a user-specified breakpoint location in |
26 // Dart source. There may be more than one CodeBreakpoint object per | 26 // Dart source. There may be more than one CodeBreakpoint object per |
27 // SourceBreakpoint. | 27 // SourceBreakpoint. |
28 class SourceBreakpoint { | 28 class SourceBreakpoint { |
29 public: | 29 public: |
turnidge
2013/12/19 22:31:59
Maybe comment whether the range includes end or no
hausner
2013/12/21 00:08:32
obsolete
| |
30 SourceBreakpoint(intptr_t id, const Function& func, intptr_t token_pos); | 30 SourceBreakpoint(intptr_t id, const Script& script, |
31 intptr_t range_start, | |
32 intptr_t range_end); | |
31 | 33 |
32 RawFunction* function() const { return function_; } | 34 RawFunction* function() const { return function_; } |
33 intptr_t token_pos() const { return token_pos_; } | 35 intptr_t token_pos() const { return token_pos_; } |
34 void set_token_pos(intptr_t value) { token_pos_ = value; } | |
35 intptr_t id() const { return id_; } | 36 intptr_t id() const { return id_; } |
36 | 37 |
37 RawScript* SourceCode(); | 38 RawScript* script() { return script_; } |
38 RawString* SourceUrl(); | 39 RawString* SourceUrl(); |
39 intptr_t LineNumber(); | 40 intptr_t LineNumber(); |
40 | 41 |
41 void GetCodeLocation(Library* lib, | 42 void GetCodeLocation(Library* lib, Script* script, intptr_t* token_pos); |
42 Script* script, | |
43 intptr_t* token_pos) const; | |
44 | 43 |
45 void Enable(); | 44 void Enable(); |
46 void Disable(); | 45 void Disable(); |
47 bool IsEnabled() const { return is_enabled_; } | 46 bool IsEnabled() const { return is_enabled_; } |
47 bool IsResolved() { return token_pos_ >= 0; } | |
48 | 48 |
49 void PrintToJSONStream(JSONStream* stream) const; | 49 void PrintToJSONStream(JSONStream* stream); |
50 | 50 |
51 private: | 51 private: |
52 void VisitObjectPointers(ObjectPointerVisitor* visitor); | 52 void VisitObjectPointers(ObjectPointerVisitor* visitor); |
53 | 53 |
54 void set_function(const Function& func); | 54 void SetResolved(const Function& func, intptr_t token_pos); |
55 void set_next(SourceBreakpoint* value) { next_ = value; } | 55 void set_next(SourceBreakpoint* value) { next_ = value; } |
56 SourceBreakpoint* next() const { return this->next_; } | 56 SourceBreakpoint* next() const { return this->next_; } |
57 | 57 |
58 const intptr_t id_; | 58 const intptr_t id_; |
59 RawScript* script_; | |
60 const intptr_t range_start_; | |
61 const intptr_t range_end_; | |
62 bool is_enabled_; | |
63 SourceBreakpoint* next_; | |
64 | |
65 // Valid for resolved breakpoints: | |
59 RawFunction* function_; | 66 RawFunction* function_; |
60 intptr_t token_pos_; | 67 intptr_t token_pos_; |
61 intptr_t line_number_; | 68 intptr_t line_number_; |
62 bool is_enabled_; | |
63 | |
64 SourceBreakpoint* next_; | |
65 | 69 |
66 friend class Debugger; | 70 friend class Debugger; |
67 DISALLOW_COPY_AND_ASSIGN(SourceBreakpoint); | 71 DISALLOW_COPY_AND_ASSIGN(SourceBreakpoint); |
68 }; | 72 }; |
69 | 73 |
70 | 74 |
71 // CodeBreakpoint represents a location in compiled code. There may be | 75 // CodeBreakpoint represents a location in compiled code. There may be |
72 // more than one CodeBreakpoint for one SourceBreakpoint, e.g. when a | 76 // more than one CodeBreakpoint for one SourceBreakpoint, e.g. when a |
73 // function gets compiled as a regular function and as a closure. | 77 // function gets compiled as a regular function and as a closure. |
74 class CodeBreakpoint { | 78 class CodeBreakpoint { |
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363 static bool IsDebuggable(const Function& func); | 367 static bool IsDebuggable(const Function& func); |
364 | 368 |
365 private: | 369 private: |
366 enum ResumeAction { | 370 enum ResumeAction { |
367 kContinue, | 371 kContinue, |
368 kStepOver, | 372 kStepOver, |
369 kStepOut, | 373 kStepOut, |
370 kSingleStep | 374 kSingleStep |
371 }; | 375 }; |
372 | 376 |
377 void FindAllFunctions(const Script& script, | |
378 intptr_t start_pos, | |
379 intptr_t end_pos, | |
380 GrowableObjectArray* function_list); | |
381 RawFunction* FindBestFit(const Script& script, | |
382 intptr_t range_start, | |
383 intptr_t range_end); | |
384 RawFunction* FindInnermostClosure(const Function& function, | |
385 intptr_t range_start, | |
386 intptr_t range_end); | |
373 intptr_t ResolveBreakpointPos(const Function& func, | 387 intptr_t ResolveBreakpointPos(const Function& func, |
374 intptr_t first_token_pos, | 388 intptr_t first_token_pos, |
375 intptr_t last_token_pos); | 389 intptr_t last_token_pos); |
376 void DeoptimizeWorld(); | 390 void DeoptimizeWorld(); |
377 void InstrumentForStepping(const Function& target_function); | 391 void InstrumentForStepping(const Function& target_function); |
392 SourceBreakpoint* SetBreakpoint(const Script& script, | |
393 intptr_t range_start, | |
394 intptr_t range_end); | |
378 SourceBreakpoint* SetBreakpoint(const Function& target_function, | 395 SourceBreakpoint* SetBreakpoint(const Function& target_function, |
379 intptr_t first_token_pos, | 396 intptr_t first_token_pos, |
380 intptr_t last_token_pos); | 397 intptr_t last_token_pos); |
381 void RemoveInternalBreakpoints(); | 398 void RemoveInternalBreakpoints(); |
382 void UnlinkCodeBreakpoints(SourceBreakpoint* src_bpt); | 399 void UnlinkCodeBreakpoints(SourceBreakpoint* src_bpt); |
383 void RegisterSourceBreakpoint(SourceBreakpoint* bpt); | 400 void RegisterSourceBreakpoint(SourceBreakpoint* bpt); |
384 void RegisterCodeBreakpoint(CodeBreakpoint* bpt); | 401 void RegisterCodeBreakpoint(CodeBreakpoint* bpt); |
385 SourceBreakpoint* GetSourceBreakpoint(const Function& func, | 402 SourceBreakpoint* GetResolvedBreakpoint(const Script& script, |
386 intptr_t token_pos); | 403 intptr_t token_pos); |
404 SourceBreakpoint* GetUnresolvedBreakpoint(const Script& script, | |
405 intptr_t range_start); | |
387 void MakeCodeBreakpointsAt(const Function& func, | 406 void MakeCodeBreakpointsAt(const Function& func, |
388 intptr_t token_pos, | |
389 SourceBreakpoint* bpt); | 407 SourceBreakpoint* bpt); |
390 // Returns NULL if no breakpoint exists for the given address. | 408 // Returns NULL if no breakpoint exists for the given address. |
391 CodeBreakpoint* GetCodeBreakpoint(uword breakpoint_address); | 409 CodeBreakpoint* GetCodeBreakpoint(uword breakpoint_address); |
392 | 410 |
393 void SyncBreakpoint(SourceBreakpoint* bpt); | 411 void SyncBreakpoint(SourceBreakpoint* bpt); |
394 | 412 |
395 ActivationFrame* TopDartFrame() const; | 413 ActivationFrame* TopDartFrame() const; |
396 static ActivationFrame* CollectDartFrame(Isolate* isolate, | 414 static ActivationFrame* CollectDartFrame(Isolate* isolate, |
397 uword pc, | 415 uword pc, |
398 StackFrame* frame, | 416 StackFrame* frame, |
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452 | 470 |
453 friend class Isolate; | 471 friend class Isolate; |
454 friend class SourceBreakpoint; | 472 friend class SourceBreakpoint; |
455 DISALLOW_COPY_AND_ASSIGN(Debugger); | 473 DISALLOW_COPY_AND_ASSIGN(Debugger); |
456 }; | 474 }; |
457 | 475 |
458 | 476 |
459 } // namespace dart | 477 } // namespace dart |
460 | 478 |
461 #endif // VM_DEBUGGER_H_ | 479 #endif // VM_DEBUGGER_H_ |
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