Driver: Handle "immediate" options.
Also, add some FIXMEs, improve doxygen & comments.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66857 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index 27ec8b3..c8750f7 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -63,6 +63,14 @@
}
Compilation *Driver::BuildCompilation(int argc, const char **argv) {
+ // FIXME: Handle environment options which effect driver behavior,
+ // somewhere (client?). GCC_EXEC_PREFIX, COMPILER_PATH,
+ // LIBRARY_PATH, LPATH, CC_PRINT_OPTIONS, QA_OVERRIDE_GCC3_OPTIONS.
+
+ // FIXME: What are we going to do with -V and -b?
+
+ // FIXME: Handle CCC_ADD_ARGS.
+
// FIXME: This stuff needs to go into the Compilation, not the
// driver.
bool CCCPrintOptions = false, CCCPrintActions = false;
@@ -121,16 +129,20 @@
}
}
- Host = Driver::GetHostInfo(HostTriple);
-
ArgList *Args = ParseArgStrings(Start, End);
+ Host = Driver::GetHostInfo(HostTriple);
+ DefaultToolChain = Host->getToolChain(*Args);
+
// FIXME: This behavior shouldn't be here.
if (CCCPrintOptions) {
PrintOptions(*Args);
exit(0);
}
+ if (!HandleImmediateArgs(*Args))
+ return 0;
+
// Construct the list of abstract actions to perform for this
// compilation.
ActionList Actions;
@@ -167,6 +179,44 @@
}
}
+void Driver::PrintVersion() const {
+ // FIXME: Get a reasonable version number.
+
+ // FIXME: The following handlers should use a callback mechanism, we
+ // don't know what the client would like to do.
+ llvm::outs() << "ccc version 1.0" << "\n";
+}
+
+bool Driver::HandleImmediateArgs(const ArgList &Args) {
+ // The order these options are handled in in gcc is all over the
+ // place, but we don't expect inconsistencies w.r.t. that to matter
+ // in practice.
+ if (Args.hasArg(options::OPT_v) ||
+ Args.hasArg(options::OPT__HASH_HASH_HASH)) {
+ PrintVersion();
+ SuppressMissingInputWarning = true;
+ }
+
+ // FIXME: The following handlers should use a callback mechanism, we
+ // don't know what the client would like to do.
+ if (Arg *A = Args.getLastArg(options::OPT_print_file_name_EQ)) {
+ llvm::outs() << GetFilePath(A->getValue(Args)).toString() << "\n";
+ return false;
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_print_prog_name_EQ)) {
+ llvm::outs() << GetProgramPath(A->getValue(Args)).toString() << "\n";
+ return false;
+ }
+
+ if (Arg *A = Args.getLastArg(options::OPT_print_libgcc_file_name)) {
+ llvm::outs() << GetProgramPath("libgcc.a").toString() << "\n";
+ return false;
+ }
+
+ return true;
+}
+
void Driver::PrintActions(const ActionList &Actions) const {
llvm::errs() << "FIXME: Print actions.";
}
@@ -372,6 +422,16 @@
exit(0);
}
+llvm::sys::Path Driver::GetFilePath(const char *Name) const {
+ // FIXME: Implement.
+ return llvm::sys::Path(Name);
+}
+
+llvm::sys::Path Driver::GetProgramPath(const char *Name) const {
+ // FIXME: Implement.
+ return llvm::sys::Path(Name);
+}
+
HostInfo *Driver::GetHostInfo(const char *Triple) {
// Dice into arch, platform, and OS. This matches
// arch,platform,os = '(.*?)-(.*?)-(.*?)'