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Add support for SVA "final" keyword

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-05-04 09:25:32 +02:00
parent c2e29ab809
commit 66d6ca2de2
2 changed files with 5 additions and 1 deletions
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1
frontends/verilog/verilog_lexer.l
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@ -206,6 +206,7 @@ YOSYS_NAMESPACE_END
"const" { if (formal_mode) return TOK_CONST; SV_KEYWORD(TOK_CONST); } "const" { if (formal_mode) return TOK_CONST; SV_KEYWORD(TOK_CONST); }
"checker" { if (formal_mode) return TOK_CHECKER; SV_KEYWORD(TOK_CHECKER); } "checker" { if (formal_mode) return TOK_CHECKER; SV_KEYWORD(TOK_CHECKER); }
"endchecker" { if (formal_mode) return TOK_ENDCHECKER; SV_KEYWORD(TOK_ENDCHECKER); } "endchecker" { if (formal_mode) return TOK_ENDCHECKER; SV_KEYWORD(TOK_ENDCHECKER); }
"final" { SV_KEYWORD(TOK_FINAL); }
"logic" { SV_KEYWORD(TOK_LOGIC); } "logic" { SV_KEYWORD(TOK_LOGIC); }
"bit" { SV_KEYWORD(TOK_REG); } "bit" { SV_KEYWORD(TOK_REG); }

5
frontends/verilog/verilog_parser.y
View file

@ -106,7 +106,7 @@ static void free_attr(std::map<std::string, AstNode*> *al)
} }
%token <string> TOK_STRING TOK_ID TOK_CONSTVAL TOK_REALVAL TOK_PRIMITIVE TOK_SVA_LABEL %token <string> TOK_STRING TOK_ID TOK_CONSTVAL TOK_REALVAL TOK_PRIMITIVE TOK_SVA_LABEL
%token TOK_ASSERT TOK_ASSUME TOK_RESTRICT TOK_COVER %token TOK_ASSERT TOK_ASSUME TOK_RESTRICT TOK_COVER TOK_FINAL
%token ATTR_BEGIN ATTR_END DEFATTR_BEGIN DEFATTR_END %token ATTR_BEGIN ATTR_END DEFATTR_BEGIN DEFATTR_END
%token TOK_MODULE TOK_ENDMODULE TOK_PARAMETER TOK_LOCALPARAM TOK_DEFPARAM %token TOK_MODULE TOK_ENDMODULE TOK_PARAMETER TOK_LOCALPARAM TOK_DEFPARAM
%token TOK_PACKAGE TOK_ENDPACKAGE TOK_PACKAGESEP %token TOK_PACKAGE TOK_ENDPACKAGE TOK_PACKAGESEP
@ -1341,6 +1341,9 @@ opt_property:
TOK_PROPERTY { TOK_PROPERTY {
$$ = true; $$ = true;
} | } |
TOK_FINAL {
$$ = false;
} |
/* empty */ { /* empty */ {
$$ = false; $$ = false;
}; };