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Merge pull request #2353 from zachjs/top-scope

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Module name scope support
This commit is contained in:
clairexen 2020-09-01 17:30:09 +02:00 • committed by GitHub
commit 3e1840d036
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2 changed files with 23 additions and 0 deletions
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7
frontends/ast/simplify.cc
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@ -1597,6 +1597,13 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
if (type == AST_IDENTIFIER) { if (type == AST_IDENTIFIER) {
if (current_scope.count(str) == 0) { if (current_scope.count(str) == 0) {
AstNode *current_scope_ast = (current_ast_mod == nullptr) ? current_ast : current_ast_mod; AstNode *current_scope_ast = (current_ast_mod == nullptr) ? current_ast : current_ast_mod;
const std::string& mod_scope = current_scope_ast->str;
if (str[0] == '\\' && str.substr(0, mod_scope.size()) == mod_scope) {
std::string new_str = "\\" + str.substr(mod_scope.size() + 1);
if (current_scope.count(new_str)) {
str = new_str;
}
}
for (auto node : current_scope_ast->children) { for (auto node : current_scope_ast->children) {
//log("looking at mod scope child %s\n", type2str(node->type).c_str()); //log("looking at mod scope child %s\n", type2str(node->type).c_str());
switch (node->type) { switch (node->type) {

16
tests/simple/generate.v
View file

@ -223,6 +223,10 @@ module gen_test8;
`ASSERT(A.x == 2) `ASSERT(A.x == 2)
`ASSERT(A.C.x == 1) `ASSERT(A.C.x == 1)
`ASSERT(A.B.x == 0) `ASSERT(A.B.x == 0)
`ASSERT(gen_test8.x == 3)
`ASSERT(gen_test8.A.x == 2)
`ASSERT(gen_test8.A.C.x == 1)
`ASSERT(gen_test8.A.B.x == 0)
end end
begin : C begin : C
wire [1:0] x = 2'b01; wire [1:0] x = 2'b01;
@ -230,12 +234,20 @@ module gen_test8;
`ASSERT(A.x == 2) `ASSERT(A.x == 2)
`ASSERT(A.C.x == 1) `ASSERT(A.C.x == 1)
`ASSERT(A.B.x == 0) `ASSERT(A.B.x == 0)
`ASSERT(gen_test8.x == 3)
`ASSERT(gen_test8.A.x == 2)
`ASSERT(gen_test8.A.C.x == 1)
`ASSERT(gen_test8.A.B.x == 0)
end end
assign x = B.x ^ 2'b11 ^ C.x; assign x = B.x ^ 2'b11 ^ C.x;
`ASSERT(x == 2) `ASSERT(x == 2)
`ASSERT(A.x == 2) `ASSERT(A.x == 2)
`ASSERT(A.C.x == 1) `ASSERT(A.C.x == 1)
`ASSERT(A.B.x == 0) `ASSERT(A.B.x == 0)
`ASSERT(gen_test8.x == 3)
`ASSERT(gen_test8.A.x == 2)
`ASSERT(gen_test8.A.C.x == 1)
`ASSERT(gen_test8.A.B.x == 0)
end end
endgenerate endgenerate
@ -243,4 +255,8 @@ module gen_test8;
`ASSERT(A.x == 2) `ASSERT(A.x == 2)
`ASSERT(A.C.x == 1) `ASSERT(A.C.x == 1)
`ASSERT(A.B.x == 0) `ASSERT(A.B.x == 0)
`ASSERT(gen_test8.x == 3)
`ASSERT(gen_test8.A.x == 2)
`ASSERT(gen_test8.A.C.x == 1)
`ASSERT(gen_test8.A.B.x == 0)
endmodule endmodule