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https://github.com/polserver/polserver
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39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
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#include "BinaryOperatorWithBooleanOptimizer.h"
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#include "bscript/compiler/Report.h"
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#include "bscript/compiler/ast/BinaryOperator.h"
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#include "bscript/compiler/ast/BooleanValue.h"
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#include "bscript/compiler/ast/IntegerValue.h"
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namespace Pol::Bscript::Compiler
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{
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BinaryOperatorWithBooleanOptimizer::BinaryOperatorWithBooleanOptimizer( BooleanValue& lhs,
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BinaryOperator& op,
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Report& report )
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: lhs( lhs ), op( op ), report( report )
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{
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}
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void BinaryOperatorWithBooleanOptimizer::visit_children( Node& ) {}
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void BinaryOperatorWithBooleanOptimizer::visit_boolean_value( BooleanValue& rhs )
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{
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bool bval = false;
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switch ( op.token_id )
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{
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case TOK_OR:
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bval = lhs.value | rhs.value;
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break;
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case TOK_AND:
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bval = lhs.value & rhs.value;
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break;
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default:
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return;
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}
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// Boolean logic operators return 1/0 as BLong, ie. `true || false` == `1`
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optimized_result = std::make_unique<IntegerValue>( op.source_location, bval );
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}
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} // namespace Pol::Bscript::Compiler
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