From 9804c86e87ec83edd29d224f01311b6ae1d41181 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Sat, 4 May 2019 07:52:51 +0200 Subject: [PATCH] Add approximate support for SV "var" keyword, fixes #987 Signed-off-by: Clifford Wolf --- frontends/verilog/verilog_lexer.l | 1 + frontends/verilog/verilog_parser.y | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l index 6ef38252a..59ef3e36e 100644 --- a/frontends/verilog/verilog_lexer.l +++ b/frontends/verilog/verilog_lexer.l @@ -207,6 +207,7 @@ YOSYS_NAMESPACE_END "checker" { if (formal_mode) return TOK_CHECKER; SV_KEYWORD(TOK_CHECKER); } "endchecker" { if (formal_mode) return TOK_ENDCHECKER; SV_KEYWORD(TOK_ENDCHECKER); } "logic" { SV_KEYWORD(TOK_LOGIC); } +"var" { SV_KEYWORD(TOK_VAR); } "bit" { SV_KEYWORD(TOK_REG); } "eventually" { if (formal_mode) return TOK_EVENTUALLY; SV_KEYWORD(TOK_EVENTUALLY); } diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index 40968d17a..f011e07ea 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -110,7 +110,7 @@ static void free_attr(std::map *al) %token ATTR_BEGIN ATTR_END DEFATTR_BEGIN DEFATTR_END %token TOK_MODULE TOK_ENDMODULE TOK_PARAMETER TOK_LOCALPARAM TOK_DEFPARAM %token TOK_PACKAGE TOK_ENDPACKAGE TOK_PACKAGESEP -%token TOK_INTERFACE TOK_ENDINTERFACE TOK_MODPORT +%token TOK_INTERFACE TOK_ENDINTERFACE TOK_MODPORT TOK_VAR %token TOK_INPUT TOK_OUTPUT TOK_INOUT TOK_WIRE TOK_REG TOK_LOGIC %token TOK_INTEGER TOK_SIGNED TOK_ASSIGN TOK_ALWAYS TOK_INITIAL %token TOK_BEGIN TOK_END TOK_IF TOK_ELSE TOK_FOR TOK_WHILE TOK_REPEAT @@ -456,6 +456,9 @@ wire_type_token: TOK_LOGIC { astbuf3->is_logic = true; } | + TOK_VAR { + astbuf3->is_logic = true; + } | TOK_INTEGER { astbuf3->is_reg = true; astbuf3->range_left = 31; -- 2.30.2