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| author | Eddie Hung <eddieh@ece.ubc.ca> | 2019-03-19 08:52:31 -0700 |
|---|---|---|
| committer | Eddie Hung <eddieh@ece.ubc.ca> | 2019-03-19 08:52:31 -0700 |
| commit | 02e8dc7ad2e13a43a310d311302c6db8168e6c11 (patch) | |
| tree | af43bf9735fe47b09dbd8807c63fe451eb82aaba /frontends/verilog/verilog_lexer.l | |
| parent | 3e89cf68bdc4e9eeb55bd9450121f421bcdc554a (diff) | |
| parent | 61f37706f93042c2d1f093dd9bfa717390911eb3 (diff) | |
| download | yosys-02e8dc7ad2e13a43a310d311302c6db8168e6c11.tar.gz yosys-02e8dc7ad2e13a43a310d311302c6db8168e6c11.tar.bz2 yosys-02e8dc7ad2e13a43a310d311302c6db8168e6c11.zip | |
Merge https://github.com/YosysHQ/yosys into read_aiger
Diffstat (limited to 'frontends/verilog/verilog_lexer.l')
| -rw-r--r-- | frontends/verilog/verilog_lexer.l | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l index 1b1873e24..6ef38252a 100644 --- a/frontends/verilog/verilog_lexer.l +++ b/frontends/verilog/verilog_lexer.l @@ -189,6 +189,14 @@ YOSYS_NAMESPACE_END "always_ff" { SV_KEYWORD(TOK_ALWAYS); } "always_latch" { SV_KEYWORD(TOK_ALWAYS); } + /* use special token for labels on assert, assume, cover, and restrict because it's insanley complex + to fix parsing of cells otherwise. (the current cell parser forces a reduce very early to update some + global state.. its a mess) */ +[a-zA-Z_$][a-zA-Z0-9_$]*/[ \t\r\n]*:[ \t\r\n]*(assert|assume|cover|restrict)[^a-zA-Z0-9_$\.] { + frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext); + return TOK_SVA_LABEL; +} + "assert" { if (formal_mode) return TOK_ASSERT; SV_KEYWORD(TOK_ASSERT); } "assume" { if (formal_mode) return TOK_ASSUME; SV_KEYWORD(TOK_ASSUME); } "cover" { if (formal_mode) return TOK_COVER; SV_KEYWORD(TOK_COVER); } @@ -303,7 +311,7 @@ supply1 { return TOK_SUPPLY1; } [a-zA-Z_$][a-zA-Z0-9_$\.]* { frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext); - return TOK_ID; + return TOK_ID; } "/*"[ \t]*(synopsys|synthesis)[ \t]*translate_off[ \t]*"*/" { |