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Added support for repeat stmt in const functions

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This commit is contained in:
Clifford Wolf 2014-06-07 10:47:53 +02:00
parent 7c8a7b2131
commit 0b1ce63a19
1 changed files with 19 additions and 0 deletions
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19
frontends/ast/simplify.cc
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@ -2001,6 +2001,25 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
continue; continue;
} }
if (stmt->type == AST_REPEAT)
{
AstNode *num = stmt->children.at(0)->clone();
num->replace_variables(variables, fcall);
while (num->simplify(true, false, false, 1, -1, false, true)) { }
if (num->type != AST_CONSTANT)
log_error("Non-constant expression in constant function at %s:%d (called from %s:%d).\n",
stmt->filename.c_str(), stmt->linenum, fcall->filename.c_str(), fcall->linenum);
block->children.erase(block->children.begin());
for (int i = 0; i < num->bitsAsConst().as_int(); i++)
block->children.insert(block->children.begin(), stmt->children.at(1)->clone());
delete stmt;
delete num;
continue;
}
if (stmt->type == AST_CASE) if (stmt->type == AST_CASE)
{ {
AstNode *expr = stmt->children.at(0)->clone(); AstNode *expr = stmt->children.at(0)->clone();