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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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docs/CommandGuide/FileCheck.pod
+1 -1
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@@ -224,7 +224,7 @@ The first check line matches a regex (<tt>%[a-z]+</tt>) and captures it into
the variables "REGISTER". The second line verifies that whatever is in REGISTER
occurs later in the file after an "andw". FileCheck variable references are
always contained in <tt>[[ ]]</tt> pairs, are named, and their names can be
formed with the regex "<tt>[a-zA-Z][a-zA-Z0-9]*</tt>". If a colon follows the
formed with the regex "<tt>[a-zA-Z_][a-zA-Z0-9_]*</tt>". If a colon follows the
name, then it is a definition of the variable, if not, it is a use.
FileCheck variables can be defined multiple times, and uses always get the