116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
// RUN: %clang_cc1 -std=c++03 -fblocks -triple x86_64-windows-msvc -fms-extensions -fsyntax-only -fexceptions -fcxx-exceptions -verify %s
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// RUN: %clang_cc1 -std=c++11 -fblocks -triple x86_64-windows-msvc -fms-extensions -fsyntax-only -fexceptions -fcxx-exceptions -verify %s
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// Basic usage should work.
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int safe_div(int n, int d) {
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int r;
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__try {
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r = n / d;
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} __except(_exception_code() == 0xC0000094) {
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r = 0;
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}
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return r;
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}
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void might_crash();
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// Diagnose obvious builtin mis-usage.
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void bad_builtin_scope() {
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__try {
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might_crash();
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} __except(1) {
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}
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_exception_code(); // expected-error {{'_exception_code' only allowed in __except block or filter expression}}
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_exception_info(); // expected-error {{'_exception_info' only allowed in __except filter expression}}
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}
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// Diagnose obvious builtin misusage in a template.
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template <void FN()>
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void bad_builtin_scope_template() {
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__try {
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FN();
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} __except(1) {
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}
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_exception_code(); // expected-error {{'_exception_code' only allowed in __except block or filter expression}}
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_exception_info(); // expected-error {{'_exception_info' only allowed in __except filter expression}}
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}
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void instantiate_bad_scope_tmpl() {
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bad_builtin_scope_template<might_crash>();
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}
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#if __cplusplus < 201103L
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// FIXME: Diagnose this case. For now we produce undef in codegen.
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template <typename T, T FN()>
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T func_template() {
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return FN();
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}
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void inject_builtins() {
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func_template<void *, __exception_info>();
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func_template<unsigned long, __exception_code>();
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}
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#endif
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void use_seh_after_cxx() {
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try { // expected-note {{conflicting 'try' here}}
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might_crash();
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} catch (int) {
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}
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__try { // expected-error {{cannot use C++ 'try' in the same function as SEH '__try'}}
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might_crash();
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} __except(1) {
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}
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}
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void use_cxx_after_seh() {
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__try { // expected-note {{conflicting '__try' here}}
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might_crash();
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} __except(1) {
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}
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try { // expected-error {{cannot use C++ 'try' in the same function as SEH '__try'}}
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might_crash();
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} catch (int) {
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}
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}
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#if __cplusplus >= 201103L
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void use_seh_in_lambda() {
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([]() {
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__try {
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might_crash();
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} __except(1) {
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}
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})();
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try {
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might_crash();
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} catch (int) {
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}
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}
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#endif
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void use_seh_in_block() {
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void (^b)() = ^{
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__try { // expected-error {{cannot use SEH '__try' in blocks, captured regions, or Obj-C method decls}}
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might_crash();
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} __except(1) {
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}
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};
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try {
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b();
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} catch (int) {
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}
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}
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void (^use_seh_in_global_block)() = ^{
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__try { // expected-error {{cannot use SEH '__try' in blocks, captured regions, or Obj-C method decls}}
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might_crash();
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} __except(1) {
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}
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};
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void (^use_cxx_in_global_block)() = ^{
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try {
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might_crash();
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} catch(int) {
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}
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};
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