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Comments (#1651)

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ocornut 2024-09-30 12:04:48 +02:00
parent 29cff2be06
commit 03f007d4cd
3 changed files with 18 additions and 10 deletions
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8
docs/CHANGELOG.txt
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@ -44,9 +44,15 @@ Breaking changes:
Other changes:
- Error Handling: Enabled/improved error recovery systems. (#1651, #5654)
- Error recovery is provided as a way to facilitate:
- Recovery after a programming error. Native code or scripting language (the later
tends to facilitate iterating on code while running).
- Recovery after running an exception handler or any error processing which may skip code
after an error has been detected.
- Error recovery is not perfect nor guaranteed! It is a feature to ease development.
You not are not supposed to rely on it in the course of a normal application run.
- Functions that support error recovery are using IM_ASSERT_USER_ERROR() instead of IM_ASSERT().
- You not are not supposed to rely on it in the course of a normal application run.
- By design, we do not allow error recovery to be 100% silent. One of the options needs to be enabled!
- Possible usage: facilitate recovery from errors triggered from a scripting language or
after specific exceptions handlers. Surface errors to programmers in less agressive ways.
- Always ensure that on programmers seats you have at minimum Asserts or Tooltips enabled

2
imgui.cpp
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@ -15240,7 +15240,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
DebugBreakClearData();
// Basic info
Text("Dear ImGui %s", GetVersion());
Text("Dear ImGui %s (%d)", IMGUI_VERSION, IMGUI_VERSION_NUM);
if (g.ContextName[0] != 0)
{
SameLine();

18
imgui.h
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@ -2265,18 +2265,20 @@ struct ImGuiIO
// Debug options
//------------------------------------------------------------------
// Options to configure how we handle recoverable errors [EXPERIMENTAL]
// Options to configure Error Handling and how we handle recoverable errors [EXPERIMENTAL]
// - Error recovery is provided as a way to facilitate:
// - Recovery after a programming error (native code or scripting language - the later tends to facilitate iterating on code while running).
// - Recovery after running an exception handler or any error processing which may skip code after an error has been detected.
// - Error recovery is not perfect nor guaranteed! It is a feature to ease development.
// You not are not supposed to rely on it in the course of a normal application run.
// - Functions that support error recovery are using IM_ASSERT_USER_ERROR() instead of IM_ASSERT().
// - You not are not supposed to rely on it in the course of a normal application run.
// - Possible usage: facilitate recovery from errors triggered from a scripting language or after specific exceptions handlers.
// - Always ensure that on programmers seat you have at minimum Asserts or Tooltips enabled when making direct imgui API calls!
// - By design, we do NOT allow error recovery to be 100% silent. One of the three options needs to be checked!
// - Always ensure that on programmers seats you have at minimum Asserts or Tooltips enabled when making direct imgui API calls!
// Otherwise it would severely hinder your ability to catch and correct mistakes!
// Read https://github.com/ocornut/imgui/wiki/Error-Handling for details about typical usage scenarios:
// Read https://github.com/ocornut/imgui/wiki/Error-Handling for details.
// - Programmer seats: keep asserts (default), or disable asserts and keep error tooltips (new and nice!)
// - Non-programmer seats: maybe disable asserts, but make sure errors are resurfaced (visible log entries, use callback etc.)
// - Recovery after error from scripting language: record stack sizes before running script, disable assert, trigger breakpoint from ErrorCallback, recover with ErrorRecoveryTryToRecoverState(), restore settings.
// - Recovery after an exception handler: record stack sizes before try {} block, disable assert, set log callback, recover with ErrorRecoveryTryToRecoverState(), restore settings.
// - Non-programmer seats: maybe disable asserts, but make sure errors are resurfaced (tooltips, visible log entries, use callback etc.)
// - Recovery after error/exception: record stack sizes with ErrorRecoveryStoreState(), disable assert, set log callback (to e.g. trigger high-level breakpoint), recover with ErrorRecoveryTryToRecoverState(), restore settings.
bool ConfigErrorRecovery; // = true // Enable error recovery support. Some errors won't be detected and lead to direct crashes if recovery is disabled.
bool ConfigErrorRecoveryEnableAssert; // = true // Enable asserts on recoverable error. By default call IM_ASSERT() when returning from a failing IM_ASSERT_USER_ERROR()
bool ConfigErrorRecoveryEnableDebugLog; // = true // Enable debug log output on recoverable errors.