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Implement a !foreach operator analogous to GNU make's $(foreach).

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Use it on dags and lists like this:

class decls {
  string name;
}

def Decls : decls;

class B<list<string> names> : A<!foreach(Decls.name, names, !strconcat(Decls.name, ", Sr."))>;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71803 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene
2009-05-14 22:23:47 +00:00
parent 4afc509b7f
commit beb31a51f6
8 changed files with 374 additions and 188 deletions
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utils/TableGen/TGLexer.cpp
+1 -1
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@@ -448,7 +448,7 @@ tgtok::TokKind TGLexer::LexExclaim() {
if (Len == 9 && !memcmp(Start, "strconcat", 9)) return tgtok::XStrConcat;
if (Len == 10 && !memcmp(Start, "nameconcat", 10)) return tgtok::XNameConcat;
if (Len == 5 && !memcmp(Start, "subst", 5)) return tgtok::XSubst;
// if (Len == 7 && !memcmp(Start, "foreach", 7)) return tgtok::XForEach;
if (Len == 7 && !memcmp(Start, "foreach", 7)) return tgtok::XForEach;
if (Len == 4 && !memcmp(Start, "cast", 4)) return tgtok::XCast;
return ReturnError(Start-1, "Unknown operator");