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Merge changes to clang's Driver code into LLVM's Option library

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This is in preparation for switching the clang driver over to using LLVM's
Option library.  Richard Smith introduced most of these changes to the clang
driver in r167638.

Reviewers: espindola on IRC

Differential Revision: http://llvm-reviews.chandlerc.com/D970

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2013-06-13 18:12:12 +00:00
parent a65ee83ea9
commit 1ee21dc1e1
4 changed files with 45 additions and 11 deletions
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15
lib/Option/ArgList.cpp
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@@ -206,6 +206,13 @@ bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
return Default;
}
bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier PosAlias, OptSpecifier Neg,
bool Default) const {
if (Arg *A = getLastArg(Pos, PosAlias, Neg))
return A->getOption().matches(Pos) || A->getOption().matches(PosAlias);
return Default;
}
StringRef ArgList::getLastArgValue(OptSpecifier Id,
StringRef Default) const {
if (Arg *A = getLastArg(Id))
@@ -226,6 +233,14 @@ void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id) const {
}
}
void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id0,
OptSpecifier Id1) const {
if (Arg *A = getLastArg(Id0, Id1)) {
A->claim();
A->render(*this, Output);
}
}
void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
OptSpecifier Id1, OptSpecifier Id2) const {
for (arg_iterator it = filtered_begin(Id0, Id1, Id2),