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Diffstat (limited to 'src/main/antlr4/FIRRTL.g4')
| -rw-r--r-- | src/main/antlr4/FIRRTL.g4 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/main/antlr4/FIRRTL.g4 b/src/main/antlr4/FIRRTL.g4 index d40c6560..10a87c9e 100644 --- a/src/main/antlr4/FIRRTL.g4 +++ b/src/main/antlr4/FIRRTL.g4 @@ -29,7 +29,16 @@ import firrtl.LexerHelper; // Does there have to be at least one module? circuit - : 'circuit' id ':' info? INDENT module* DEDENT EOF + : version? NEWLINE* 'circuit' id ':' info? INDENT module* DEDENT EOF + ; + +version + : 'FIRRTL' 'version' semver NEWLINE + ; + +// Due to lexer problems, something like 1.1.0 is lexed as DoubleLit '.' UnsignedInt +semver + : DoubleLit '.' UnsignedInt ; module |