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Add LogStackTrace Native (#684)#685

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KyleSanderson merged 1 commit intoalliedmodders:masterfrom
Headline:sync-upstream
Jun 20, 2018
Merged

Add LogStackTrace Native (#684)#685
KyleSanderson merged 1 commit intoalliedmodders:masterfrom
Headline:sync-upstream

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@Headline Headline commented Sep 17, 2017 •
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In order for this to be merged, this pr for sourcepawn must be merged.

Essentially this adds pull request adds LogStackTrace, which will serve as a debugging function that outputs a stack trace where the native is called, but does not halt execution. For more info: see #684

#include <sourcemod>

public void OnPluginStart()
{
	SomeFunction();
}

void SomeFunction()
{
	SomeFunction2();
}

void SomeFunction2()
{
	LogStackTrace("LogStackTrace%i %.2f", 4, 10.0)
	SetFailState("SetFailState %i %.2f", 4, 10.0)
}

will output in errors

L 09/17/2017 - 15:07:55: [SM] Stack trace requested: LogStackTrace 4 10.00
L 09/17/2017 - 15:07:55: [SM] Call stack trace:
L 09/17/2017 - 15:07:55: [SM]   [0] LogStackTrace
L 09/17/2017 - 15:07:55: [SM]   [1] Line 15, C:\Users\Micha\Desktop\sourcemod\sourcemod\build\package\addons\sourcemod\Test.sp::SomeFunction2
L 09/17/2017 - 15:07:55: [SM]   [2] Line 10, C:\Users\Micha\Desktop\sourcemod\sourcemod\build\package\addons\sourcemod\Test.sp::SomeFunction
L 09/17/2017 - 15:07:55: [SM]   [3] Line 5, C:\Users\Micha\Desktop\sourcemod\sourcemod\build\package\addons\sourcemod\Test.sp::OnPluginStart
L 09/17/2017 - 15:07:55: [SM] Exception reported: SetFailState 4 10.00
L 09/17/2017 - 15:07:55: [SM] Blaming: test.smx
L 09/17/2017 - 15:07:55: [SM] Call stack trace:
L 09/17/2017 - 15:07:55: [SM]   [0] SetFailState
L 09/17/2017 - 15:07:55: [SM]   [1] Line 16, C:\Users\Micha\Desktop\sourcemod\sourcemod\build\package\addons\sourcemod\Test.sp::SomeFunction2
L 09/17/2017 - 15:07:55: [SM]   [2] Line 10, C:\Users\Micha\Desktop\sourcemod\sourcemod\build\package\addons\sourcemod\Test.sp::SomeFunction
L 09/17/2017 - 15:07:55: [SM]   [3] Line 5, C:\Users\Micha\Desktop\sourcemod\sourcemod\build\package\addons\sourcemod\Test.sp::OnPluginStart

KyleSanderson
KyleSanderson requested changes Sep 18, 2017
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I'm thankful this isn't actually RequestStackFrame, but RequestStackTrace. I think this would confuse the hell out of people if it was the former :-P

core/logic/smn_core.cpp Outdated
ke::Vector<ke::AString> arr;

IFrameIterator *it = pContext->CreateFrameIterator();
arr = g_DbgReporter.GetStackTrace(it);
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nit: initialization should begin here.

core/logic/smn_core.cpp
IFrameIterator *it = pContext->CreateFrameIterator();
arr = g_DbgReporter.GetStackTrace(it);
pContext->DestroyFrameIterator(it);

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The plugin calling this native should be present in the output, similar to SetFailState.

core/logic/DebugReporter.h Outdated
void ReportError(const IErrorReport &report, IFrameIterator &iter);
void OnDebugSpew(const char *msg, ...);
public:
ke::Vector<ke::AString> GetStackTrace(IFrameIterator *iter);
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nit: double space after the type.

core/logic/DebugReporter.cpp Outdated
ke::Vector<ke::AString> arr = GetStackTrace(&iter);
for (size_t i = 0; i < arr.length(); i++)
{
g_Logger.LogError(arr[i].chars());
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You're double formatting here, see Logger::LogError. Instead what you want to do is something like: g_Logger.LogError("%s", arr[i].chars());

core/logic/smn_core.cpp Outdated
g_Logger.LogError("[SM] Stack trace requested: %s", buffer);
for (size_t i = 0; i < arr.length(); i++)
{
g_Logger.LogError(arr[i].chars());
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ditto on the formatting issue.

core/logic/DebugReporter.cpp Outdated
if (!iter.Done())
ke::Vector<ke::AString> DebugReport::GetStackTrace(IFrameIterator *iter)
{
char temp[1024];
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I forget if we have a mapper, but we're limiting our stack traces here to 1024 characters from previously 3072. I'm not sure if this is desired?

KyleSanderson
KyleSanderson approved these changes Sep 19, 2017
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lgtm minus the nits (but they're nits); nice job.

core/logic/DebugReporter.cpp Outdated
}
}


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nit: weird newline

core/logic/smn_core.cpp Outdated
return 0;
}


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ditto on weird newline

@Headline Headline changed the title Add RequestStackFrame Native (#684) Add RequestStackTrace Native (#684) Sep 25, 2017
@Headline Headline changed the title Add RequestStackTrace Native (#684) Add LogStackTrace Native (#684) Sep 26, 2017
@Headline Headline closed this Oct 3, 2017
@Headline Headline reopened this Oct 3, 2017
KyleSanderson
KyleSanderson reviewed Dec 31, 2017
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core/logic/smn_core.cpp Outdated
{
g_Logger.LogError("%s", arr[i].chars());
}
}
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@KyleSanderson KyleSanderson Dec 31, 2017

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This fails to build currently because there's a cell_t expected to be returned but this function returns nothing.

@Headline Headline closed this Jun 19, 2018
@Headline Headline reopened this Jun 19, 2018
@KyleSanderson KyleSanderson merged commit 9ceb1af into alliedmodders:master Jun 20, 2018
@Headline Headline mentioned this pull request Jul 31, 2018
Merged
@Headline Headline deleted the sync-upstream branch July 31, 2018 08:12
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@KyleSanderson KyleSanderson KyleSanderson approved these changes

@asherkin asherkin asherkin approved these changes

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@Headline @asherkin @KyleSanderson