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| author | Clifford Wolf <clifford@clifford.at> | 2015-02-26 18:47:39 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2015-02-26 18:47:39 +0100 |
| commit | 1f1deda888ea32ade2478fca9fcb510ada477606 (patch) | |
| tree | bf21e5e60e970745af2d4652addfbe383f6b4187 /frontends/verilog/verilog_parser.y | |
| parent | b005eedf369bc60ce5f7cba9a0db4694f22a360f (diff) | |
| download | yosys-1f1deda888ea32ade2478fca9fcb510ada477606.tar.gz yosys-1f1deda888ea32ade2478fca9fcb510ada477606.tar.bz2 yosys-1f1deda888ea32ade2478fca9fcb510ada477606.zip | |
Added non-std verilog assume() statement
Diffstat (limited to 'frontends/verilog/verilog_parser.y')
| -rw-r--r-- | frontends/verilog/verilog_parser.y | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index fee438a9f..d935cab37 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -57,7 +57,7 @@ namespace VERILOG_FRONTEND { std::vector<char> case_type_stack; bool do_not_require_port_stubs; bool default_nettype_wire; - bool sv_mode; + bool sv_mode, formal_mode; std::istream *lexin; } YOSYS_NAMESPACE_END @@ -111,7 +111,7 @@ static void free_attr(std::map<std::string, AstNode*> *al) %token TOK_GENERATE TOK_ENDGENERATE TOK_GENVAR TOK_REAL %token TOK_SYNOPSYS_FULL_CASE TOK_SYNOPSYS_PARALLEL_CASE %token TOK_SUPPLY0 TOK_SUPPLY1 TOK_TO_SIGNED TOK_TO_UNSIGNED -%token TOK_POS_INDEXED TOK_NEG_INDEXED TOK_ASSERT TOK_PROPERTY +%token TOK_POS_INDEXED TOK_NEG_INDEXED TOK_ASSERT TOK_ASSUME TOK_PROPERTY %type <ast> range range_or_multirange non_opt_range non_opt_multirange range_or_signed_int %type <ast> wire_type expr basic_expr concat_list rvalue lvalue lvalue_concat_list @@ -934,11 +934,17 @@ opt_label: assert: TOK_ASSERT '(' expr ')' ';' { ast_stack.back()->children.push_back(new AstNode(AST_ASSERT, $3)); + } | + TOK_ASSUME '(' expr ')' ';' { + ast_stack.back()->children.push_back(new AstNode(AST_ASSUME, $3)); }; assert_property: TOK_ASSERT TOK_PROPERTY '(' expr ')' ';' { ast_stack.back()->children.push_back(new AstNode(AST_ASSERT, $4)); + } | + TOK_ASSUME TOK_PROPERTY '(' expr ')' ';' { + ast_stack.back()->children.push_back(new AstNode(AST_ASSUME, $4)); }; simple_behavioral_stmt: |