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[arcmt] Introduce new '-ccc-arcmt-migrate <path>' ARC migration driver option.

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This is a new mode of migration, where we avoid modifying the original files but
we emit temporary files instead.

<path> will be used to keep migration process metadata. Currently the temporary files
that are produced are put in the system's temp directory but we can put them
in the <path> if is necessary.

Also introduce new ARC migration functions in libclang whose only purpose,
currently, is to accept <path> and provide pairs of original file/transformed file
to map from the originals to the files after transformations are applied.

Finally introduce the c-arcmt-test utility that exercises the new libclang functions,
update arcmt-test, and add tests for the whole process.

rdar://9735086.

llvm-svn: 134844
This commit is contained in:
Argyrios Kyrtzidis
2011-07-09 20:00:58 +00:00
parent 25659e93c7
commit 7fbd97f641
31 changed files with 646 additions and 31 deletions
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14
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -431,6 +431,13 @@ static void FrontendOptsToArgs(const FrontendOptions &Opts,
case FrontendOptions::ARCMT_Modify:
Res.push_back("-arcmt-modify");
break;
case FrontendOptions::ARCMT_Migrate:
Res.push_back("-arcmt-migrate");
break;
}
if (!Opts.ARCMTMigrateDir.empty()) {
Res.push_back("-arcmt-migrate-directory");
Res.push_back(Opts.ARCMTMigrateDir);
}
bool NeedLang = false;
@@ -1251,7 +1258,8 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
Opts.ARCMTAction = FrontendOptions::ARCMT_None;
if (const Arg *A = Args.getLastArg(OPT_arcmt_check,
OPT_arcmt_modify)) {
OPT_arcmt_modify,
OPT_arcmt_migrate)) {
switch (A->getOption().getID()) {
default:
llvm_unreachable("missed a case");
@@ -1261,8 +1269,12 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
case OPT_arcmt_modify:
Opts.ARCMTAction = FrontendOptions::ARCMT_Modify;
break;
case OPT_arcmt_migrate:
Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate;
break;
}
}
Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory);
InputKind DashX = IK_None;
if (const Arg *A = Args.getLastArg(OPT_x)) {