[GSoC] Shell autocompletion for clang
Summary:
This is a first patch for GSoC project, bash-completion for clang.
To use this on bash, please run `source clang/utils/bash-autocomplete.sh`.
bash-autocomplete.sh is code for bash-completion.
Simple flag completion and path completion is available in this patch.
Reviewers: teemperor, v.g.vassilev, ruiu, Bigcheese, efriedma
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33237
llvm-svn: 303670
diff --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt
index 9e43a10..c163a2b 100644
--- a/clang/CMakeLists.txt
+++ b/clang/CMakeLists.txt
@@ -359,6 +359,10 @@
PATTERN "*.inc"
PATTERN "*.h"
)
+
+ install(PROGRAMS utils/bash-autocomplete.sh
+ DESTINATION share/clang
+ )
endif()
add_definitions( -D_GNU_SOURCE )
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index d812bd8..4f1ea08 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -469,6 +469,7 @@
def arch : Separate<["-"], "arch">, Flags<[DriverOption]>;
def arch__only : Separate<["-"], "arch_only">;
def a : Joined<["-"], "a">;
+def autocomplete : Joined<["--"], "autocomplete=">;
def bind__at__load : Flag<["-"], "bind_at_load">;
def bundle__loader : Separate<["-"], "bundle_loader">;
def bundle : Flag<["-"], "bundle">;
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index f36deff..bec4bf4 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1216,6 +1216,13 @@
return false;
}
+ if (Arg *A = C.getArgs().getLastArg(options::OPT_autocomplete)) {
+ // Print out all options that start with a given argument. This is used for
+ // shell autocompletion.
+ llvm::outs() << llvm::join(Opts->findByPrefix(A->getValue()), " ") << '\n';
+ return false;
+ }
+
if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) {
ToolChain::RuntimeLibType RLT = TC.GetRuntimeLibType(C.getArgs());
switch (RLT) {
diff --git a/clang/test/Driver/autocomplete.c b/clang/test/Driver/autocomplete.c
new file mode 100644
index 0000000..94649f2
--- /dev/null
+++ b/clang/test/Driver/autocomplete.c
@@ -0,0 +1,6 @@
+// RUN: %clang --autocomplete=-fsyn | FileCheck %s -check-prefix=FSYN
+// FSYN: -fsyntax-only
+// RUN: %clang --autocomplete=-s | FileCheck %s -check-prefix=STD
+// STD: -std={{.*}}-stdlib=
+// RUN: %clang --autocomplete=foo | not FileCheck %s -check-prefix=NONE
+// NONE: foo
diff --git a/clang/utils/bash-autocomplete.sh b/clang/utils/bash-autocomplete.sh
new file mode 100644
index 0000000..a906712
--- /dev/null
+++ b/clang/utils/bash-autocomplete.sh
@@ -0,0 +1,14 @@
+# Please add "source /path/to/bash-autocomplete.sh" to your .bashrc to use this.
+_clang()
+{
+ local cur prev words cword flags
+ _init_completion -n : || return
+
+ flags=$( clang --autocomplete="$cur" )
+ if [[ "$flags" == "" || "$cur" == "" ]]; then
+ _filedir
+ else
+ COMPREPLY=( $( compgen -W "$flags" -- "$cur" ) )
+ fi
+}
+complete -F _clang clang