polserver/pol-core/bscript/compiler/optimizer/BinaryOperatorWithStringOptimizer.cpp
Eric Swanson 447e8d4e2e
Optimizations: binary operators (#266)
Adds:
- optimizer/BinaryOperatorOptimizer: optimizes expressions with a binary operator
  - assignments will be handled by optimizer/AssignmentOptimizer
- optimizer/BinaryOperatorWithFloatOptimizer: optimizes binary operator expressions with a FloatValue left-hand side
- optimizer/BinaryOperatorWithIntegerOptimizer: optimizes binary operator expressions with an IntegerValue left-hand side
- optimizer/BinaryOperatorWithStringOptimizer: optimizes binary operator expressions with a StringValue left-hand side
2020-09-02 00:27:09 -07:00

34 lines
795 B
C++

#include "BinaryOperatorWithStringOptimizer.h"
#include "compiler/ast/BinaryOperator.h"
#include "compiler/ast/StringValue.h"
namespace Pol::Bscript::Compiler
{
BinaryOperatorWithStringOptimizer::BinaryOperatorWithStringOptimizer( StringValue& lhs,
BinaryOperator& op )
: lhs( lhs ), op( op )
{
}
void BinaryOperatorWithStringOptimizer::visit_children( Node& ) {}
void BinaryOperatorWithStringOptimizer::visit_string_value( StringValue& rhs )
{
std::string value;
switch ( op.token_id )
{
case TOK_ADD:
{
value = lhs.value + rhs.value;
break;
}
default:
return;
}
optimized_result = std::make_unique<StringValue>( op.source_location, value );
}
} // namespace Pol::Bscript::Compiler