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| author | Udi Finkelstein <github@udifink.com> | 2018-08-15 19:56:30 +0300 |
|---|---|---|
| committer | Udi Finkelstein <github@udifink.com> | 2018-08-15 20:14:52 +0300 |
| commit | 28cfc75a902574c3ad96876d2f5e01af6c583bac (patch) | |
| tree | 974d6f042293bac9d8c4f7fb3dc108b5ffc05065 /frontends/verilog/verilog_parser.y | |
| parent | ce3dc3e01d288a8e545fb5fd24a2a06d205c6b0d (diff) | |
| download | yosys-28cfc75a902574c3ad96876d2f5e01af6c583bac.tar.gz yosys-28cfc75a902574c3ad96876d2f5e01af6c583bac.tar.bz2 yosys-28cfc75a902574c3ad96876d2f5e01af6c583bac.zip | |
A few minor enhancements to specify block parsing.
Just remember specify blocks are parsed but ignored.
Diffstat (limited to 'frontends/verilog/verilog_parser.y')
| -rw-r--r-- | frontends/verilog/verilog_parser.y | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index 78cac5543..61da12b76 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -688,8 +688,8 @@ path_declaration : ; simple_path_declaration : - parallel_path_description '=' path_delay_value ';' - // | full_path_description '=' path_delay_value ';' + parallel_path_description '=' path_delay_value ';' | + full_path_description '=' path_delay_value ';' ; path_delay_value : @@ -723,6 +723,17 @@ list_of_path_delay_expressions : parallel_path_description : '(' specify_input_terminal_descriptor opt_polarity_operator '=' '>' specify_output_terminal_descriptor ')' ; +full_path_description : + '(' list_of_path_inputs opt_polarity_operator '*' '>' list_of_path_outputs ')' ; + +list_of_path_inputs : + specify_input_terminal_descriptor | + list_of_path_inputs ',' specify_input_terminal_descriptor ; + +list_of_path_outputs : + specify_output_terminal_descriptor | + list_of_path_outputs ',' specify_output_terminal_descriptor ; + opt_polarity_operator : '+' | '-' |