diff options
author | Emilio Cobos Alvarez <emilio@crisal.io> | 2017-04-28 15:56:39 +0000 |
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committer | Emilio Cobos Alvarez <emilio@crisal.io> | 2017-04-28 15:56:39 +0000 |
commit | 1b98417fe9692b0550e51a763a961344110adf99 (patch) | |
tree | 14dd66e078ae399f90710f48a312554ea70fc267 /tools/c-index-test | |
parent | de4f6266fade0d8f77731f96f027c7a10b6f36e2 (diff) |
[libclang] Expose some target information via the C API.
This allows users to query the target triple and target pointer width, which
would make me able to fix https://github.com/servo/rust-bindgen/issues/593 and
other related bugs in an elegant way (without having to manually parse the
target triple in the command line arguments).
Differential Revision: https://reviews.llvm.org/D32389
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@301648 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/c-index-test')
-rw-r--r-- | tools/c-index-test/c-index-test.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c index 0978ccb28d..1179fbf391 100644 --- a/tools/c-index-test/c-index-test.c +++ b/tools/c-index-test/c-index-test.c @@ -1560,6 +1560,51 @@ static enum CXChildVisitResult PrintTypeDeclaration(CXCursor cursor, CXCursor p, } /******************************************************************************/ +/* Target information testing. */ +/******************************************************************************/ + +static int print_target_info(int argc, const char **argv) { + CXIndex Idx; + CXTranslationUnit TU; + CXTargetInfo TargetInfo; + CXString Triple; + const char *FileName; + enum CXErrorCode Err; + int PointerWidth; + + if (argc == 0) { + fprintf(stderr, "No filename specified\n"); + return 1; + } + + FileName = argv[1]; + + Idx = clang_createIndex(0, 1); + Err = clang_parseTranslationUnit2(Idx, FileName, argv, argc, NULL, 0, + getDefaultParsingOptions(), &TU); + if (Err != CXError_Success) { + fprintf(stderr, "Couldn't parse translation unit!\n"); + describeLibclangFailure(Err); + clang_disposeIndex(Idx); + return 1; + } + + TargetInfo = clang_getTranslationUnitTargetInfo(TU); + + Triple = clang_TargetInfo_getTriple(TargetInfo); + printf("TargetTriple: %s\n", clang_getCString(Triple)); + clang_disposeString(Triple); + + PointerWidth = clang_TargetInfo_getPointerWidth(TargetInfo); + printf("PointerWidth: %d\n", PointerWidth); + + clang_TargetInfo_dispose(TargetInfo); + clang_disposeTranslationUnit(TU); + clang_disposeIndex(Idx); + return 0; +} + +/******************************************************************************/ /* Loading ASTs/source. */ /******************************************************************************/ @@ -4301,11 +4346,12 @@ static void print_usage(void) { " c-index-test -test-print-type {<args>}*\n" " c-index-test -test-print-type-size {<args>}*\n" " c-index-test -test-print-bitwidth {<args>}*\n" + " c-index-test -test-print-target-info {<args>}*\n" " c-index-test -test-print-type-declaration {<args>}*\n" " c-index-test -print-usr [<CursorKind> {<args>}]*\n" - " c-index-test -print-usr-file <file>\n" - " c-index-test -write-pch <file> <compiler arguments>\n"); + " c-index-test -print-usr-file <file>\n"); fprintf(stderr, + " c-index-test -write-pch <file> <compiler arguments>\n" " c-index-test -compilation-db [lookup <filename>] database\n"); fprintf(stderr, " c-index-test -print-build-session-timestamp\n"); @@ -4411,6 +4457,8 @@ int cindextest_main(int argc, const char **argv) { return perform_test_load_tu(argv[2], "all", NULL, PrintMangledName, NULL); else if (argc > 2 && strcmp(argv[1], "-test-print-manglings") == 0) return perform_test_load_tu(argv[2], "all", NULL, PrintManglings, NULL); + else if (argc > 2 && strcmp(argv[1], "-test-print-target-info") == 0) + return print_target_info(argc - 2, argv + 2); else if (argc > 1 && strcmp(argv[1], "-print-usr") == 0) { if (argc > 2) return print_usrs(argv + 2, argv + argc); |