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[yul-phaser] Pass unique_ptr rather than a mutable reference to Program::applyOptimisationSteps()

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- Giving the function ownership of an object and then receiving back another object is better than letting it implicitly modify data passed in an argument.
This commit is contained in:
cameel
2020-02-06 09:01:10 +01:00
committed by Kamil Śliwak
parent dd7a5c3386
commit a189c8b6e2
2 changed files with 8 additions and 6 deletions
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tools/yulPhaser/Program.cpp
+6 -4
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@@ -79,7 +79,7 @@ Program Program::load(CharStream& _sourceCode)
void Program::optimise(vector<string> const& _optimisationSteps)
{
applyOptimisationSteps(m_dialect, m_nameDispenser, *m_ast, _optimisationSteps);
m_ast = applyOptimisationSteps(m_dialect, m_nameDispenser, move(m_ast), _optimisationSteps);
}
ostream& phaser::operator<<(ostream& _stream, Program const& _program)
@@ -133,10 +133,10 @@ unique_ptr<Block> Program::disambiguateAST(
return make_unique<Block>(get<Block>(disambiguator(_ast)));
}
void Program::applyOptimisationSteps(
unique_ptr<Block> Program::applyOptimisationSteps(
Dialect const& _dialect,
NameDispenser& _nameDispenser,
Block& _ast,
unique_ptr<Block> _ast,
vector<string> const& _optimisationSteps
)
{
@@ -146,7 +146,9 @@ void Program::applyOptimisationSteps(
OptimiserStepContext context{_dialect, _nameDispenser, externallyUsedIdentifiers};
for (string const& step: _optimisationSteps)
OptimiserSuite::allSteps().at(step)->run(context, _ast);
OptimiserSuite::allSteps().at(step)->run(context, *_ast);
return _ast;
}
size_t Program::computeCodeSize(Block const& _ast)