diff options
Diffstat (limited to 'src/main/antlr4')
| -rw-r--r-- | src/main/antlr4/FIRRTL.g4 | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/main/antlr4/FIRRTL.g4 b/src/main/antlr4/FIRRTL.g4 index 4ceed9f0..f4d9d3f8 100644 --- a/src/main/antlr4/FIRRTL.g4 +++ b/src/main/antlr4/FIRRTL.g4 @@ -63,7 +63,7 @@ circuit module : 'module' id ':' info? INDENT port* moduleBlock DEDENT - | 'extmodule' id ':' info? INDENT port* DEDENT + | 'extmodule' id ':' info? INDENT port* defname? parameter* DEDENT ; port @@ -89,6 +89,16 @@ field : 'flip'? id ':' type ; +defname + : 'defname' '=' id NEWLINE + ; + +parameter + : 'parameter' id '=' IntLit NEWLINE + | 'parameter' id '=' StringLit NEWLINE + | 'parameter' id '=' DoubleLit NEWLINE + ; + moduleBlock : simple_stmt* ; @@ -291,6 +301,10 @@ IntLit | '"' 'h' ( HexDigit )+ '"' ; +DoubleLit + : ( '+' | '-' )? Digit+ '.' Digit+ ( 'E' Digit+ )? + ; + fragment Nondigit : [a-zA-Z_] |