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Add/remove bounded and generic for stmt; remove block swap

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This commit is contained in:
Bhargava Shastry 2020-01-01 14:52:38 +01:00
parent 17a69bbe90
commit a6702425a1
1 changed files with 105 additions and 9 deletions
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114
test/tools/ossfuzz/protomutators/YulProtoMutator.cpp
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@ -469,9 +469,8 @@ static YulProtoMutator addIf(
std::cout << "YULMUTATOR: Add if" << std::endl;
#endif
auto block = static_cast<Block*>(_message);
auto ifStmt = new IfStmt();
ifStmt->mutable_if_body()->Swap(block);
auto stmt = block->add_statements();
auto ifStmt = new IfStmt();
stmt->set_allocated_ifstmt(ifStmt);
#ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
@ -519,10 +518,12 @@ static YulProtoMutator addSwitch(
std::cout << "YULMUTATOR: Add switch" << std::endl;
#endif
auto block = static_cast<Block*>(_message);
auto switchStmt = new SwitchStmt();
auto caseStmt = switchStmt->add_case_stmt();
caseStmt->mutable_case_block()->Swap(block);
auto stmt = block->add_statements();
auto switchStmt = new SwitchStmt();
switchStmt->add_case_stmt();
Expression *switchExpr = new Expression();
switchExpr->set_allocated_varref(YulProtoMutator::varRef(_seed));
switchStmt->set_allocated_switch_expr(switchExpr);
stmt->set_allocated_switchstmt(switchStmt);
#ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
@ -669,13 +670,10 @@ static YulProtoMutator addFuncDef(
std::cout << "YULMUTATOR: Add function def" << std::endl;
#endif
auto block = static_cast<Block*>(_message);
auto stmt = block->add_statements();
auto funcDef = new FunctionDef();
funcDef->set_num_input_params(_seed);
funcDef->set_num_output_params(_seed + block->ByteSizeLong());
funcDef->mutable_block()->Swap(block);
// block should be empty now since it has been swapped
// with a default instance of function definition block.
auto stmt = block->add_statements();
stmt->set_allocated_funcdef(funcDef);
#ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
@ -711,6 +709,104 @@ static YulProtoMutator removeFuncDef(
}
);
/// Add bounded for stmt
static YulProtoMutator addBoundedFor(
Block::descriptor(),
[](google::protobuf::Message* _message, unsigned int _seed)
{
if (_seed % YulProtoMutator::s_mediumIP == 0) {
#ifdef DEBUG
std::cout << "----------------------------------" << std::endl;
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "YULMUTATOR: Add bounded for stmt" << std::endl;
#endif
auto block = static_cast<Block*>(_message);
auto stmt = block->add_statements();
auto forStmt = new BoundedForStmt();
stmt->set_allocated_boundedforstmt(forStmt);
#ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "----------------------------------" << std::endl;
#endif
}
}
);
/// Remove bounded for stmt
static YulProtoMutator removeBoundedFor(
Block::descriptor(),
[](google::protobuf::Message* _message, unsigned int _seed)
{
if (_seed % YulProtoMutator::s_mediumIP == 1) {
#ifdef DEBUG
std::cout << "----------------------------------" << std::endl;
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "YULMUTATOR: Remove bounded for stmt" << std::endl;
#endif
auto block = static_cast<Block*>(_message);
for (auto &stmt: *block->mutable_statements())
if (stmt.has_boundedforstmt())
{
stmt.clear_boundedforstmt();
break;
}
#ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "----------------------------------" << std::endl;
#endif
}
}
);
/// Add generic for stmt
static YulProtoMutator addGenericFor(
Block::descriptor(),
[](google::protobuf::Message* _message, unsigned int _seed)
{
if (_seed % YulProtoMutator::s_mediumIP == 0) {
#ifdef DEBUG
std::cout << "----------------------------------" << std::endl;
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "YULMUTATOR: Add generic for stmt" << std::endl;
#endif
auto block = static_cast<Block*>(_message);
auto stmt = block->add_statements();
auto forStmt = new ForStmt();
stmt->set_allocated_forstmt(forStmt);
#ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "----------------------------------" << std::endl;
#endif
}
}
);
/// Remove generic for stmt
static YulProtoMutator removeGenericFor(
Block::descriptor(),
[](google::protobuf::Message* _message, unsigned int _seed)
{
if (_seed % YulProtoMutator::s_mediumIP == 1) {
#ifdef DEBUG
std::cout << "----------------------------------" << std::endl;
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "YULMUTATOR: Remove generic for stmt" << std::endl;
#endif
auto block = static_cast<Block*>(_message);
for (auto &stmt: *block->mutable_statements())
if (stmt.has_forstmt())
{
stmt.clear_forstmt();
break;
}
#ifdef DEBUG
std::cout << protobuf_mutator::SaveMessageAsText(*_message) << std::endl;
std::cout << "----------------------------------" << std::endl;
#endif
}
}
);
Literal* YulProtoMutator::intLiteral(unsigned _value)
{
Literal *lit = new Literal();