cerc-io/solidity
11
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Limit size of generated names and add convenience constructors.

Browse Source
This commit is contained in:
chriseth
2018-10-17 17:21:55 +02:00
parent f2f72ff7ee
commit 732d09cef1
8 changed files with 97 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libyul/optimiser/NameDispenser.cpp
+28 -3
View File
@@ -20,18 +20,43 @@
#include <libyul/optimiser/NameDispenser.h>
#include <libyul/optimiser/NameCollector.h>
#include <libsolidity/inlineasm/AsmData.h>
using namespace std;
using namespace dev;
using namespace dev::yul;
string NameDispenser::newName(string const& _prefix)
NameDispenser::NameDispenser(Block const& _ast):
NameDispenser(NameCollector(_ast).names())
{
}
NameDispenser::NameDispenser(set<string> _usedNames):
m_usedNames(std::move(_usedNames))
{
}
string NameDispenser::newName(string const& _nameHint, string const& _context)
{
// Shortening rules: Use a suffix of _prefix and a prefix of _context.
string prefix = _nameHint;
if (!_context.empty())
prefix = _context.substr(0, 10) + "_" + prefix;
return newNameInternal(prefix);
}
string NameDispenser::newNameInternal(string const& _nameHint)
{
string name = _prefix;
size_t suffix = 0;
string name = _nameHint;
while (name.empty() || m_usedNames.count(name))
{
suffix++;
name = _prefix + "_" + to_string(suffix);
name = _nameHint + "_" + to_string(suffix);
}
m_usedNames.insert(name);
return name;