diff options
Diffstat (limited to 'frontends/verilog/parser.y')
| -rw-r--r-- | frontends/verilog/parser.y | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/frontends/verilog/parser.y b/frontends/verilog/parser.y index ed9be692..a12dcf14 100644 --- a/frontends/verilog/parser.y +++ b/frontends/verilog/parser.y @@ -98,7 +98,7 @@ static void free_attr(std::map<std::string, AstNode*> *al) %token TOK_MODULE TOK_ENDMODULE TOK_PARAMETER TOK_LOCALPARAM TOK_DEFPARAM %token TOK_INPUT TOK_OUTPUT TOK_INOUT TOK_WIRE TOK_REG %token TOK_INTEGER TOK_SIGNED TOK_ASSIGN TOK_ALWAYS TOK_INITIAL -%token TOK_BEGIN TOK_END TOK_IF TOK_ELSE TOK_FOR +%token TOK_BEGIN TOK_END TOK_IF TOK_ELSE TOK_FOR TOK_WHILE TOK_REPEAT %token TOK_POSEDGE TOK_NEGEDGE TOK_OR %token TOK_CASE TOK_CASEX TOK_CASEZ TOK_ENDCASE TOK_DEFAULT %token TOK_FUNCTION TOK_ENDFUNCTION TOK_TASK TOK_ENDTASK @@ -819,6 +819,32 @@ behavioral_stmt: ast_stack.pop_back(); ast_stack.pop_back(); } | + attr TOK_WHILE '(' expr ')' { + AstNode *node = new AstNode(AST_WHILE); + ast_stack.back()->children.push_back(node); + ast_stack.push_back(node); + append_attr(node, $1); + AstNode *block = new AstNode(AST_BLOCK); + ast_stack.back()->children.push_back($4); + ast_stack.back()->children.push_back(block); + ast_stack.push_back(block); + } behavioral_stmt { + ast_stack.pop_back(); + ast_stack.pop_back(); + } | + attr TOK_REPEAT '(' expr ')' { + AstNode *node = new AstNode(AST_REPEAT); + ast_stack.back()->children.push_back(node); + ast_stack.push_back(node); + append_attr(node, $1); + AstNode *block = new AstNode(AST_BLOCK); + ast_stack.back()->children.push_back($4); + ast_stack.back()->children.push_back(block); + ast_stack.push_back(block); + } behavioral_stmt { + ast_stack.pop_back(); + ast_stack.pop_back(); + } | attr TOK_IF '(' expr ')' { AstNode *node = new AstNode(AST_CASE); AstNode *block = new AstNode(AST_BLOCK); |