diff options
| author | Albert Magyar | 2020-03-25 12:24:58 -0700 |
|---|---|---|
| committer | Albert Magyar | 2020-03-26 11:14:28 -0700 |
| commit | 4b3b5442bfe34502862eb070854aeef1e0cfc9c4 (patch) | |
| tree | 49e09570ba220679ca51249ea9cb83f101ef66fa /src/main/antlr4/FIRRTL.g4 | |
| parent | 9995f081291d974a6b5ad319e67a9d19cdc4a56d (diff) | |
Support octal and binary literal formats as described in the spec
* Fixes #1464
Diffstat (limited to 'src/main/antlr4/FIRRTL.g4')
| -rw-r--r-- | src/main/antlr4/FIRRTL.g4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/main/antlr4/FIRRTL.g4 b/src/main/antlr4/FIRRTL.g4 index 0035423b..39988e18 100644 --- a/src/main/antlr4/FIRRTL.g4 +++ b/src/main/antlr4/FIRRTL.g4 @@ -186,6 +186,8 @@ intLit : UnsignedInt | SignedInt | HexLit + | OctalLit + | BinaryLit ; lowerBound @@ -320,6 +322,14 @@ HexLit : '"' 'h' ( '+' | '-' )? ( HexDigit )+ '"' ; +OctalLit + : '"' 'o' ( '+' | '-' )? ( OctalDigit )+ '"' + ; + +BinaryLit + : '"' 'b' ( '+' | '-' )? ( BinaryDigit )+ '"' + ; + DoubleLit : ( '+' | '-' )? Digit+ '.' Digit+ ( 'E' ( '+' | '-' )? Digit+ )? ; @@ -334,6 +344,16 @@ HexDigit : [a-fA-F0-9] ; +fragment +OctalDigit + : [0-7] + ; + +fragment +BinaryDigit + : [01] + ; + StringLit : '"' UnquotedString? '"' ; |