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

Variables are free with regards to code size.

Browse Source
This commit is contained in:
chriseth
2019-01-09 16:57:33 +01:00
parent 63319cfdcd
commit edda79eec5
3 changed files with 138 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libyul/optimiser/Metrics.cpp
+13 -3
View File
@@ -25,6 +25,9 @@
#include <libevmasm/Instruction.h>
#include <libdevcore/Visitor.h>
using namespace std;
using namespace dev;
using namespace yul;
@@ -45,7 +48,7 @@ size_t CodeSize::codeSize(Expression const& _expression)
size_t CodeSize::codeSize(Block const& _block)
{
CodeSize cs;
cs(_block);
cs.visit(_block);
return cs.m_size;
}
@@ -53,14 +56,21 @@ void CodeSize::visit(Statement const& _statement)
{
if (_statement.type() == typeid(FunctionDefinition))
return;
else if (!(
_statement.type() == typeid(Block) ||
_statement.type() == typeid(ExpressionStatement) ||
_statement.type() == typeid(Assignment) ||
_statement.type() == typeid(VariableDeclaration)
))
++m_size;
++m_size;
ASTWalker::visit(_statement);
}
void CodeSize::visit(Expression const& _expression)
{
++m_size;
if (_expression.type() != typeid(Identifier))
++m_size;
ASTWalker::visit(_expression);
}