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| author | Steven R. Brandt <sbrandt@cct.lsu.edu> | 2012-02-06 15:48:55 -0600 |
|---|---|---|
| committer | Steven R. Brandt <sbrandt@cct.lsu.edu> | 2012-02-06 15:48:55 -0600 |
| commit | 1e4cc8ea75f3fd79ad3b4bfa4fcb9089aa15e15c (patch) | |
| tree | 8cfcbe84603038331761a795604859f199ca52c5 /Auxiliary | |
| parent | 412670ec56e30fed32b43fb6fc05a3f0314dd44c (diff) | |
allow integer values as indices
Diffstat (limited to 'Auxiliary')
| -rw-r--r-- | Auxiliary/Grammars/kranc2.peg | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Auxiliary/Grammars/kranc2.peg b/Auxiliary/Grammars/kranc2.peg index e078f7e..a98aaf7 100644 --- a/Auxiliary/Grammars/kranc2.peg +++ b/Auxiliary/Grammars/kranc2.peg @@ -4,7 +4,7 @@ end = ([ \t]+|#.*)*\r*\n name = [A-Za-z][A-Za-z0-9]* uname = [A-Za-z][A-Za-z0-9_]* indices = ([_^]({index_symbol}|\({index_expr}(,{index_expr})*\))+)* -index_symbol = [a-zA-Z]'* +index_symbol = [a-zA-Z]'*|[0-9] index_expr = {index_symbol}([+-]{int}|) tensor = {name}{indices} dtensor = D[a-z0-9]*{indices}? {tensor} |