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llvm-project/clang/test/Driver/unknown-std.cpp

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[Driver] Report available language standards on user error In case user did not provide valid standard name for -std option, available values (with short description) will be reported. Patch by Paweł Żukowski! llvm-svn: 295113
2017-02-15 06:44:20 +08:00
// This file checks output given when processing C++/ObjC++ files.
// When user selects invalid language standard
// print out supported values with short description.
Don't accept -std= values that would switch us to a different source language. We already prohibited this in most cases (in r130710), but had some bugs in our enforcement of this rule. Specifically, this prevents the following combinations: * -x c -std=clN.M, which would previously effectively act as if -x cl were used, despite the input being a C source file. (-x cl -std=cNN continues to be disallowed.) * -x c++ -std=cuda, which would previously select C++98 + CUDA, despite that not being a C++ standard. (-x cuda -std=c++NN is still permitted, and selects CUDA with the given C++ standard as its base language. -x cuda -std=cuda is still supported with the meaning of CUDA + C++98.) * -x renderscript -std=c++NN, which would previously form a hybrid "C++ with RenderScript extensions" language. We could support such a thing, but shouldn't do so by accident. llvm-svn: 301497
2017-04-27 07:44:33 +08:00
// RUN: not %clang %s -std=foobar -c 2>&1 | FileCheck --match-full-lines %s
// RUN: not %clang -x objective-c++ %s -std=foobar -c 2>&1 | FileCheck --match-full-lines %s
Add --cuda-path to mock a CUDA Toolkit installation to avoid unexpected error messages for incompatibility between the default SM level and the support in the installed toolkit. Differential Revision: https://reviews.llvm.org/D40996 llvm-svn: 320506
2017-12-13 02:33:39 +08:00
// RUN: not %clang -x cuda -nocudainc -nocudalib --cuda-path=%S/Inputs/CUDA/usr/local/cuda %s -std=foobar -c 2>&1 | FileCheck --match-full-lines --check-prefix=CHECK --check-prefix=CUDA %s
[Driver] Report available language standards on user error In case user did not provide valid standard name for -std option, available values (with short description) will be reported. Patch by Paweł Żukowski! llvm-svn: 295113
2017-02-15 06:44:20 +08:00
// CHECK: error: invalid value 'foobar' in '-std=foobar'
Improve diagnostics for bad -std= flag. Don't list deprecated -std= values (c++0x etc). Only produce one line of output per standard, even if we know it by multiple names. In passing, add missing -std=gnu++03 alias (supported by GCC), and add new spelling '-std=cl1.0' for OpenCL 1.0 for consistency with the other values, with the same meaning as the preexisting '-std=cl'. llvm-svn: 301507
2017-04-27 09:17:05 +08:00
// CHECK-NEXT: note: use 'c++98' or 'c++03' for 'ISO C++ 1998 with amendments' standard
// CHECK-NEXT: note: use 'gnu++98' or 'gnu++03' for 'ISO C++ 1998 with amendments and GNU extensions' standard
[Driver] Report available language standards on user error In case user did not provide valid standard name for -std option, available values (with short description) will be reported. Patch by Paweł Żukowski! llvm-svn: 295113
2017-02-15 06:44:20 +08:00
// CHECK-NEXT: note: use 'c++11' for 'ISO C++ 2011 with amendments' standard
// CHECK-NEXT: note: use 'gnu++11' for 'ISO C++ 2011 with amendments and GNU extensions' standard
// CHECK-NEXT: note: use 'c++14' for 'ISO C++ 2014 with amendments' standard
// CHECK-NEXT: note: use 'gnu++14' for 'ISO C++ 2014 with amendments and GNU extensions' standard
Make -std=c++17 an alias of -std=c++1z As suggested on PR33912. Trying to keep this small to make it easy to merge to the 5.0 branch. We can do a follow-up with more thorough renaming (diagnostic text, options, ids, etc.) later. (For C++14 this was done in r215982, and I think a smaller patch for the 3.5 branch: http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20140818/113013.html) Differential Revision: https://reviews.llvm.org/D36532 llvm-svn: 310516
2017-08-10 04:12:53 +08:00
// CHECK-NEXT: note: use 'c++17' for 'ISO C++ 2017 with amendments' standard
// CHECK-NEXT: note: use 'gnu++17' for 'ISO C++ 2017 with amendments and GNU extensions' standard
Add -std=c++20 flag, replace C++2a with C++20 throughout the Clang user interface and documentation, and update __cplusplus for C++20. WG21 considers the C++20 standard to be finished (even though it still has some more steps to pass through in the ISO process). The old flag names are accepted for compatibility, as usual, and we still have lots of references to C++2a in comments and identifiers; those can be cleaned up separately.
2020-02-19 08:13:23 +08:00
// CHECK-NEXT: note: use 'c++20' for 'ISO C++ 2020 DIS' standard
// CHECK-NEXT: note: use 'gnu++20' for 'ISO C++ 2020 DIS with GNU extensions' standard
Don't accept -std= values that would switch us to a different source language. We already prohibited this in most cases (in r130710), but had some bugs in our enforcement of this rule. Specifically, this prevents the following combinations: * -x c -std=clN.M, which would previously effectively act as if -x cl were used, despite the input being a C source file. (-x cl -std=cNN continues to be disallowed.) * -x c++ -std=cuda, which would previously select C++98 + CUDA, despite that not being a C++ standard. (-x cuda -std=c++NN is still permitted, and selects CUDA with the given C++ standard as its base language. -x cuda -std=cuda is still supported with the meaning of CUDA + C++98.) * -x renderscript -std=c++NN, which would previously form a hybrid "C++ with RenderScript extensions" language. We could support such a thing, but shouldn't do so by accident. llvm-svn: 301497
2017-04-27 07:44:33 +08:00
// CUDA-NEXT: note: use 'cuda' for 'NVIDIA CUDA(tm)' standard
[Driver] Report available language standards on user error In case user did not provide valid standard name for -std option, available values (with short description) will be reported. Patch by Paweł Żukowski! llvm-svn: 295113
2017-02-15 06:44:20 +08:00
// Make sure that no other output is present.
// CHECK-NOT: {{^.+$}}