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cppgc
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js_native_api.h
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libplatform
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node.h
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uv
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uv.h
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v8-array-buffer.h
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v8config.h
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zlib.h
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Editing: v8-debug.h
// Copyright 2021 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef INCLUDE_V8_DEBUG_H_ #define INCLUDE_V8_DEBUG_H_ #include <stdint.h> #include "v8-script.h" // NOLINT(build/include_directory) #include "v8config.h" // NOLINT(build/include_directory) namespace v8 { class Isolate; class String; /** * A single JavaScript stack frame. */ class V8_EXPORT StackFrame { public: /** * Returns the source location, 0-based, for the associated function call. */ Location GetLocation() const; /** * Returns the number, 1-based, of the line for the associate function call. * This method will return Message::kNoLineNumberInfo if it is unable to * retrieve the line number, or if kLineNumber was not passed as an option * when capturing the StackTrace. */ int GetLineNumber() const { return GetLocation().GetLineNumber() + 1; } /** * Returns the 1-based column offset on the line for the associated function * call. * This method will return Message::kNoColumnInfo if it is unable to retrieve * the column number, or if kColumnOffset was not passed as an option when * capturing the StackTrace. */ int GetColumn() const { return GetLocation().GetColumnNumber() + 1; } /** * Returns the id of the script for the function for this StackFrame. * This method will return Message::kNoScriptIdInfo if it is unable to * retrieve the script id, or if kScriptId was not passed as an option when * capturing the StackTrace. */ int GetScriptId() const; /** * Returns the name of the resource that contains the script for the * function for this StackFrame. */ Local<String> GetScriptName() const; /** * Returns the name of the resource that contains the script for the * function for this StackFrame or sourceURL value if the script name * is undefined and its source ends with //# sourceURL=... string or * deprecated //@ sourceURL=... string. */ Local<String> GetScriptNameOrSourceURL() const; /** * Returns the source of the script for the function for this StackFrame. */ Local<String> GetScriptSource() const; /** * Returns the source mapping URL (if one is present) of the script for * the function for this StackFrame. */ Local<String> GetScriptSourceMappingURL() const; /** * Returns the name of the function associated with this stack frame. */ Local<String> GetFunctionName() const; /** * Returns whether or not the associated function is compiled via a call to * eval(). */ bool IsEval() const; /** * Returns whether or not the associated function is called as a * constructor via "new". */ bool IsConstructor() const; /** * Returns whether or not the associated functions is defined in wasm. */ bool IsWasm() const; /** * Returns whether or not the associated function is defined by the user. */ bool IsUserJavaScript() const; }; /** * Representation of a JavaScript stack trace. The information collected is a * snapshot of the execution stack and the information remains valid after * execution continues. */ class V8_EXPORT StackTrace { public: /** * Flags that determine what information is placed captured for each * StackFrame when grabbing the current stack trace. * Note: these options are deprecated and we always collect all available * information (kDetailed). */ enum StackTraceOptions { kLineNumber = 1, kColumnOffset = 1 << 1 | kLineNumber, kScriptName = 1 << 2, kFunctionName = 1 << 3, kIsEval = 1 << 4, kIsConstructor = 1 << 5, kScriptNameOrSourceURL = 1 << 6, kScriptId = 1 << 7, kExposeFramesAcrossSecurityOrigins = 1 << 8, kOverview = kLineNumber | kColumnOffset | kScriptName | kFunctionName, kDetailed = kOverview | kIsEval | kIsConstructor | kScriptNameOrSourceURL }; /** * Returns a StackFrame at a particular index. */ Local<StackFrame> GetFrame(Isolate* isolate, uint32_t index) const; /** * Returns the number of StackFrames. */ int GetFrameCount() const; /** * Grab a snapshot of the current JavaScript execution stack. * * \param frame_limit The maximum number of stack frames we want to capture. * \param options Enumerates the set of things we will capture for each * StackFrame. */ static Local<StackTrace> CurrentStackTrace( Isolate* isolate, int frame_limit, StackTraceOptions options = kDetailed); /** * Returns the first valid script name or source URL starting at the top of * the JS stack. The returned string is either an empty handle if no script * name/url was found or a non-zero-length string. * * This method is equivalent to calling StackTrace::CurrentStackTrace and * walking the resulting frames from the beginning until a non-empty script * name/url is found. The difference is that this method won't allocate * a stack trace. */ static Local<String> CurrentScriptNameOrSourceURL(Isolate* isolate); }; } // namespace v8 #endif // INCLUDE_V8_DEBUG_H_
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