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author | Eddie Hung <eddieh@ece.ubc.ca> | 2019-03-14 08:59:19 -0700 |
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committer | Eddie Hung <eddieh@ece.ubc.ca> | 2019-03-14 08:59:19 -0700 |
commit | f1a8e8a480a7a88835b02abafd27c03e90de7041 (patch) | |
tree | 49679db03662de0b029d814354f01f972179e453 /frontends/verilog/verilog_lexer.l | |
parent | 26ecbc1aee1dca1c186ab2b51835d74f67bc3e75 (diff) | |
parent | f0b2d8e467998876ad2cc14232d30ff7892982a3 (diff) | |
download | yosys-f1a8e8a480a7a88835b02abafd27c03e90de7041.tar.gz yosys-f1a8e8a480a7a88835b02abafd27c03e90de7041.tar.bz2 yosys-f1a8e8a480a7a88835b02abafd27c03e90de7041.zip |
Merge remote-tracking branch 'origin/master' into xc7srl
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]*"*/" { |