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verilog: move attr from simple_behav_stmt to its children to attach

This commit is contained in:
Eddie Hung 2020-05-21 09:46:26 -07:00
parent 95dcd7e785
commit c5a9abba11
1 changed files with 17 additions and 13 deletions
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30
frontends/verilog/verilog_parser.y
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@ -2203,32 +2203,36 @@ assert_property:
};
simple_behavioral_stmt:
lvalue '=' delay expr {
AstNode *node = new AstNode(AST_ASSIGN_EQ, $1, $4);
attr lvalue '=' delay expr {
AstNode *node = new AstNode(AST_ASSIGN_EQ, $2, $5);
ast_stack.back()->children.push_back(node);
SET_AST_NODE_LOC(node, @1, @4);
SET_AST_NODE_LOC(node, @2, @5);
append_attr(node, $1);
} |
lvalue TOK_INCREMENT {
AstNode *node = new AstNode(AST_ASSIGN_EQ, $1, new AstNode(AST_ADD, $1->clone(), AstNode::mkconst_int(1, true)));
attr lvalue TOK_INCREMENT {
AstNode *node = new AstNode(AST_ASSIGN_EQ, $2, new AstNode(AST_ADD, $2->clone(), AstNode::mkconst_int(1, true)));
ast_stack.back()->children.push_back(node);
SET_AST_NODE_LOC(node, @1, @2);
SET_AST_NODE_LOC(node, @2, @3);
append_attr(node, $1);
} |
lvalue TOK_DECREMENT {
AstNode *node = new AstNode(AST_ASSIGN_EQ, $1, new AstNode(AST_SUB, $1->clone(), AstNode::mkconst_int(1, true)));
attr lvalue TOK_DECREMENT {
AstNode *node = new AstNode(AST_ASSIGN_EQ, $2, new AstNode(AST_SUB, $2->clone(), AstNode::mkconst_int(1, true)));
ast_stack.back()->children.push_back(node);
SET_AST_NODE_LOC(node, @1, @2);
SET_AST_NODE_LOC(node, @2, @3);
append_attr(node, $1);
} |
lvalue OP_LE delay expr {
AstNode *node = new AstNode(AST_ASSIGN_LE, $1, $4);
attr lvalue OP_LE delay expr {
AstNode *node = new AstNode(AST_ASSIGN_LE, $2, $5);
ast_stack.back()->children.push_back(node);
SET_AST_NODE_LOC(node, @1, @4);
SET_AST_NODE_LOC(node, @2, @5);
append_attr(node, $1);
};
// this production creates the obligatory if-else shift/reduce conflict
behavioral_stmt:
defattr | assert | wire_decl | param_decl | localparam_decl | typedef_decl |
non_opt_delay behavioral_stmt |
attr simple_behavioral_stmt ';' |
simple_behavioral_stmt ';' |
attr ';' {
free_attr($1);
} |