This adds KIND_REMAINING_ARGS, a class of options that consume
all remaining arguments on the command line.
This will be used to support /link in clang-cl, which is used
to forward all remaining arguments to the linker.
It also allows us to remove the hard-coded handling of "--",
allowing clients (clang and lld) to implement that functionality
themselves with this new option class.
Differential Revision: http://llvm-reviews.chandlerc.com/D1387
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188314
91177308-0d34-0410-b5e6-
96231b3b80d8
// An option which is both joined to its (first) value, and followed by its
// (second) value.
def KIND_JOINED_AND_SEPARATE : OptionKind<"JoinedAndSeparate">;
+// An option which consumes all remaining arguments if there are any.
+def KIND_REMAINING_ARGS : OptionKind<"RemainingArgs">;
// Define the option flags.
FlagClass,
JoinedClass,
SeparateClass,
+ RemainingArgsClass,
CommaJoinedClass,
MultiArgClass,
JoinedOrSeparateClass,
case SeparateClass:
case MultiArgClass:
case JoinedOrSeparateClass:
+ case RemainingArgsClass:
return RenderSeparateStyle;
}
llvm_unreachable("Unexpected kind!");
continue;
}
+ // FIXME: Remove once clients are updated to use a KIND_REMAINING_ARGS
+ // option to handle this explicitly instead.
if (Str == "--") {
// Everything after -- is a filename.
++Index;
break;
case Option::SeparateClass: case Option::JoinedOrSeparateClass:
+ case Option::RemainingArgsClass:
Name += ' ';
// FALLTHROUGH
case Option::JoinedClass: case Option::CommaJoinedClass:
P(MultiArgClass);
P(JoinedOrSeparateClass);
P(JoinedAndSeparateClass);
+ P(RemainingArgsClass);
#undef P
}
return new Arg(UnaliasedOption, Spelling, Index - 2,
Args.getArgString(Index - 2) + ArgSize,
Args.getArgString(Index - 1));
+ case RemainingArgsClass: {
+ // Matches iff this is an exact match.
+ // FIXME: Avoid strlen.
+ if (ArgSize != strlen(Args.getArgString(Index)))
+ return 0;
+ Arg *A = new Arg(UnaliasedOption, Spelling, Index++);
+ while (Index < Args.getNumInputArgStrings())
+ A->getValues().push_back(Args.getArgString(Index++));
+ return A;
+ }
default:
llvm_unreachable("Invalid option kind!");
}
EXPECT_EQ(AL->getAllArgValues(OPT_INPUT)[0], "-B");
EXPECT_EQ(AL->getAllArgValues(OPT_INPUT)[1], "--");
}
+
+TEST(Option, SlurpEmpty) {
+ TestOptTable T;
+ unsigned MAI, MAC;
+
+ const char *MyArgs[] = { "-A", "-slurp" };
+ OwningPtr<InputArgList> AL(T.ParseArgs(MyArgs, array_endof(MyArgs), MAI, MAC));
+ EXPECT_TRUE(AL->hasArg(OPT_A));
+ EXPECT_TRUE(AL->hasArg(OPT_Slurp));
+ EXPECT_EQ(AL->getAllArgValues(OPT_Slurp).size(), 0);
+}
+
+TEST(Option, Slurp) {
+ TestOptTable T;
+ unsigned MAI, MAC;
+
+ const char *MyArgs[] = { "-A", "-slurp", "-B", "--", "foo" };
+ OwningPtr<InputArgList> AL(T.ParseArgs(MyArgs, array_endof(MyArgs), MAI, MAC));
+ EXPECT_EQ(AL->size(), 2U);
+ EXPECT_TRUE(AL->hasArg(OPT_A));
+ EXPECT_FALSE(AL->hasArg(OPT_B));
+ EXPECT_TRUE(AL->hasArg(OPT_Slurp));
+ EXPECT_EQ(AL->getAllArgValues(OPT_Slurp).size(), 3U);
+ EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[0], "-B");
+ EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[1], "--");
+ EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[2], "foo");
+}
def J : Flag<["-"], "J">, Alias<B>, AliasArgs<["foo"]>;
def Joo : Flag<["-"], "Joo">, Alias<B>, AliasArgs<["bar"]>;
+
+def Slurp : Option<["-"], "slurp", KIND_REMAINING_ARGS>;