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Teach c-index-test to reparse the source file a few times when testing 

clang_getCursor() via -cursor-at=??? and CINDEXTEST_EDITING is set in
the environment. This mirrors how we test code completion and
source-loading in the presence of this environment variable.

llvm-svn: 120392
This commit is contained in:
Douglas Gregor 2010-11-30 05:52:55 +00:00
parent 3590ef817c
commit 2f6358b100
1 changed files with 36 additions and 17 deletions
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53
clang/tools/c-index-test/c-index-test.c
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@ -1100,7 +1100,8 @@ int inspect_cursor_at(int argc, const char **argv) {
CXCursor Cursor; CXCursor Cursor;
CursorSourceLocation *Locations = 0; CursorSourceLocation *Locations = 0;
unsigned NumLocations = 0, Loc; unsigned NumLocations = 0, Loc;
unsigned Repeats = 1;
/* Count the number of locations. */ /* Count the number of locations. */
while (strstr(argv[NumLocations+1], "-cursor-at=") == argv[NumLocations+1]) while (strstr(argv[NumLocations+1], "-cursor-at=") == argv[NumLocations+1])
++NumLocations; ++NumLocations;
@ -1121,30 +1122,48 @@ int inspect_cursor_at(int argc, const char **argv) {
&num_unsaved_files)) &num_unsaved_files))
return -1; return -1;
CIdx = clang_createIndex(0, 1); if (getenv("CINDEXTEST_EDITING"))
TU = clang_createTranslationUnitFromSourceFile(CIdx, argv[argc - 1], Repeats = 5;
/* Parse the translation unit. When we're testing clang_getCursor() after
reparsing, don't remap unsaved files until the second parse. */
CIdx = clang_createIndex(1, 1);
TU = clang_parseTranslationUnit(CIdx, argv[argc - 1],
argv + num_unsaved_files + 1 + NumLocations,
argc - num_unsaved_files - 2 - NumLocations, argc - num_unsaved_files - 2 - NumLocations,
argv + num_unsaved_files + 1 + NumLocations, unsaved_files,
num_unsaved_files, Repeats > 1? 0 : num_unsaved_files,
unsaved_files); getDefaultParsingOptions());
if (!TU) { if (!TU) {
fprintf(stderr, "unable to parse input\n"); fprintf(stderr, "unable to parse input\n");
return -1; return -1;
} }
for (Loc = 0; Loc < NumLocations; ++Loc) { for (unsigned I = 0; I != Repeats; ++I) {
CXFile file = clang_getFile(TU, Locations[Loc].filename); if (Repeats > 1 &&
if (!file) clang_reparseTranslationUnit(TU, num_unsaved_files, unsaved_files,
continue; clang_defaultReparseOptions(TU))) {
clang_disposeTranslationUnit(TU);
return 1;
}
for (Loc = 0; Loc < NumLocations; ++Loc) {
CXFile file = clang_getFile(TU, Locations[Loc].filename);
if (!file)
continue;
Cursor = clang_getCursor(TU, Cursor = clang_getCursor(TU,
clang_getLocation(TU, file, Locations[Loc].line, clang_getLocation(TU, file, Locations[Loc].line,
Locations[Loc].column)); Locations[Loc].column));
PrintCursor(Cursor); if (I + 1 == Repeats) {
printf("\n"); PrintCursor(Cursor);
free(Locations[Loc].filename); printf("\n");
free(Locations[Loc].filename);
}
}
} }
PrintDiagnostics(TU); PrintDiagnostics(TU);
clang_disposeTranslationUnit(TU); clang_disposeTranslationUnit(TU);
clang_disposeIndex(CIdx); clang_disposeIndex(CIdx);