Trevor FlynnandSpaiR
74203bc333
* Syncing wip to github * Assertion callback works * Restore example that does not crash * Add comment in build script. Merge with upstream. * Fix assert always triggering * Resolve jvm env at runtime to prevent looking up bad stack address * Fixed EXCEPTION_ACCESS_VIOLATION within native code after callback was complete. * Fix linting errors * Change ImGui to Dear ImGui Co-authored-by: SpaiR <klimbetoo@gmail.com> * Move jvm native layer to its own header/source Co-authored-by: SpaiR <klimbetoo@gmail.com>
46 lines
2.0 KiB
Java
46 lines
2.0 KiB
Java
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package imgui.assertion;
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/**
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* Callback for native IM_ASSERT calls.
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*/
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public abstract class ImAssertCallback {
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/**
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* Called from native code to bring the callback into java side.
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* Will force the application to terminate with exit code 1 after forwarding the callback, this is required, otherwise
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* if execution is returned to the native layer, a EXCEPTION_ACCESS_VIOLATION will be thrown.
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* If the callback throws an exception, it will be caught and printed along with a warning to prevent execution
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* from returning to the native layer.
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*
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* @param assertion The assertion string
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* @param line The line number of the assertion in the source file
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* @param file The source file where the assertion occurred
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*/
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public void imAssert(final String assertion, final int line, final String file) {
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try {
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imAssertCallback(assertion, line, file);
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} catch (Exception ex) {
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System.err.println("WARNING: Exception thrown in Dear ImGui Assertion Callback!");
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System.err.println("Dear ImGui Assertion Failed: " + assertion);
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System.err.println("Assertion Located At: " + file + ":" + line);
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ex.printStackTrace();
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}
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System.exit(1);
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}
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/**
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* The assertion callback from ImGui.
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* Do not throw an exception within this callback, to prevent
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* execution from returned to the native layer and cause a EXCEPTION_ACCESS_VIOLATION,
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* the callback will catch any exceptions and print a warning.
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* <p>
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* There is no way to catch the assertion and continue execution.
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* You may however call <code>System.exit(code)</code> with your own exit code.
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*
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* @param assertion The assertion string
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* @param line The line number of the assertion in the source file
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* @param file The source file where the assertion occurred
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*/
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public abstract void imAssertCallback(String assertion, int line, String file);
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}
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