[PATCH] D113250: [clang][driver] Add -fplugin-arg- to pass arguments to plugins
Fangrui Song via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Nov 19 09:44:09 PST 2021
MaskRay added inline comments.
================
Comment at: clang/docs/ClangPlugins.rst:131
+
+The clang compiler driver accepts the `fplugin` option to load a plugin.
+Clang plugins can receive arguments from the compiler driver command
----------------
================
Comment at: clang/docs/ClangPlugins.rst:141
+ $ export BD=/path/to/build/directory
+ $ (cd $BD && make CallSuperAttr )
+ $ clang++ -fplugin=$BD/lib/CallSuperAttr.so \
----------------
================
Comment at: clang/lib/Driver/ToolChains/Clang.cpp:6676
+ if (FirstDashIndex == StringRef::npos)
+ continue;
+
----------------
This probably should be an error. See elsewhere in the file for error reporting.
================
Comment at: clang/lib/Driver/ToolChains/Clang.cpp:6679
+ auto Arg = ArgValue.substr(FirstDashIndex + 1);
+ auto PluginName = ArgValue.substr(0, FirstDashIndex);
+
----------------
================
Comment at: clang/test/Driver/plugin-driver-args.cpp:5
+// CHECK: "-load"
+// CHECK: CallSuperAttr
+// CHECK: "-plugin-arg-call_super_plugin"
----------------
CHECK-SAME
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D113250/new/
https://reviews.llvm.org/D113250
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