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Fix handling of functions/tasks without top-level begin-end block, fixes #1231

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-08-06 18:06:14 +02:00
parent a4b59de5d4
commit f1f5b4e375
1 changed files with 2 additions and 15 deletions
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17
frontends/ast/simplify.cc
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@ -3439,19 +3439,11 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
{
std::map<std::string, AstNode*> backup_scope;
std::map<std::string, AstNode::varinfo_t> variables;
bool delete_temp_block = false;
AstNode *block = NULL;
AstNode *block = new AstNode(AST_BLOCK);
size_t argidx = 0;
for (auto child : children)
{
if (child->type == AST_BLOCK)
{
log_assert(block == NULL);
block = child;
continue;
}
if (child->type == AST_WIRE)
{
while (child->simplify(true, false, false, 1, -1, false, true)) { }
@ -3468,13 +3460,9 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
continue;
}
log_assert(block == NULL);
delete_temp_block = true;
block = new AstNode(AST_BLOCK);
block->children.push_back(child->clone());
}
log_assert(block != NULL);
log_assert(variables.count(str) != 0);
while (!block->children.empty())
@ -3642,8 +3630,7 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
log_abort();
}
if (delete_temp_block)
delete block;
delete block;
for (auto &it : backup_scope)
if (it.second == NULL)