“exception”这个术语有些不明确并和上下文相关,尤其是C++标准异常(C++ standardexceptions)和Microsoft 的结构化异常(structured exception handling)。不幸的的是,“异常”一词太常见了,随时出现在语言的标准和常见的编程文献中。因为不想创造一个新名词,所以我将尽力在此系列的各部分中明确我对“异常”的用法。??
// xdc0012_a.xdc <doc> <members> <member name="T:MyClass" decl="true" source="c:\test1.cpp" line="6"> <exception cref="MyException">User-defined exception</exception> </member> </members> </doc> 然后, 复制 // xdc0012_b.xdc // compile with: xdc0012_a.xdc xdc0012_b.xdc...
\set SQLTERM / CREATE PROCEDURE account_status ( due_date DATE, today DATE) AUTHID DEFINER IS past_due EXCEPTION; -- declare exception BEGIN IF due_date < today THEN RAISE past_due; -- explicitly raise exception END IF; EXCEPTION WHEN past_due THEN -- handle exception RAISE NOTICE 'Accou...
-- custom exception error number and error message, more readable. DECLARE except_test3 EXCEPTION; PRAGMA EXCEPTION_INIT(except_test3, -20001); BEGIN raise_application_error(-20001, 'except test 3'); EXCEPTION WHEN except_test3 THEN dbms_output.put_line('test3 except_test3: SQLCODE=' || ...
CDocument::ReportSaveLoadException Advanced overridable; called when an open or save operation cannot be completed because of an exception. CDocument::SaveModified Advanced overridable; called to ask the user whether the document should be saved. CDocument::SetChunkValue Sets a chunk value. CDocume...
CDocument::ReportSaveLoadException Advanced overridable; called when an open or save operation cannot be completed because of an exception. CDocument::SaveModified Advanced overridable; called to ask the user whether the document should be saved. CDocument::SetChunkValue Sets a chunk value. CDocume...
Authenticates a user based onusernameandpassword. Derived classes should override this method, or an exception will be thrown. This method is required byIUserIdentity. getId()method public stringgetId() {return}stringthe unique identifier for the identity. ...
SEH的全称是Structured Exception Handling,是Windows操作系统提供的一种异常处理方式。SEH是属于操作系统的特性,不为特定语言设计,从它的名字就能看出它是一种结构化的异常处理方式。SEH包括了2个部分:终止处理__try/__finally和异常处理__try/__except,下面分别进行介绍。
This service routine raises a user-defined exception and returns a user-defined error message. The C prototype for this function follows: int OCIExtProcRaiseExcpWithMsg( OCIExtProcContext *with_context, size_t error_number, text *error_message, size_t len); ...
)) threadExitUncaughtException(env); #endif } } free(slashClassName); ALOGD("Shutting down VM\n"); if (mJavaVM->DetachCurrentThread() != JNI_OK) ALOGW("Warning: unable to detach main thread\n"); if (mJavaVM->DestroyJavaVM() != 0) ALOGW("Warning: VM did not shut down cleanly...