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Allow '_' in FileCheck variable names, it is nice to have at least one

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separate character.
 - Chris, OK?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89626 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2009-11-22 22:07:50 +00:00
parent a2f20b20a8
commit 964ac01201
2 changed files with 4 additions and 3 deletions
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5
utils/FileCheck/FileCheck.cpp
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@ -140,7 +140,7 @@ bool Pattern::ParsePattern(StringRef PatternStr, SourceMgr &SM) {
// Named RegEx matches. These are of two forms: [[foo:.*]] which matches .*
// (or some other regex) and assigns it to the FileCheck variable 'foo'. The
// second form is [[foo]] which is a reference to foo. The variable name
// itself must be of the form "[a-zA-Z][0-9a-zA-Z]*", otherwise we reject
// itself must be of the form "[a-zA-Z_][0-9a-zA-Z_]*", otherwise we reject
// it. This is to catch some common errors.
if (PatternStr.size() >= 2 &&
PatternStr[0] == '[' && PatternStr[1] == '[') {
@ -167,7 +167,8 @@ bool Pattern::ParsePattern(StringRef PatternStr, SourceMgr &SM) {
// Verify that the name is well formed.
for (unsigned i = 0, e = Name.size(); i != e; ++i)
if ((Name[i] < 'a' || Name[i] > 'z') &&
if (Name[i] != '_' &&
(Name[i] < 'a' || Name[i] > 'z') &&
(Name[i] < 'A' || Name[i] > 'Z') &&
(Name[i] < '0' || Name[i] > '9')) {
SM.PrintMessage(SMLoc::getFromPointer(Name.data()+i),