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codegen.h
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codegen.h
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#ifndef CODEGEN_H
#define CODEGEN_H
#include <stack>
#include <list>
#include <string>
#include <unordered_map>
#include "program_visitor.h"
class CodeGenerator : public AST::ASTProgramOrderVisitor {
private:
static const std::string TROOF_TYPE;
static const std::string NUMBR_TYPE;
static const std::string NUMBAR_TYPE;
static const std::string YARN_TYPE;
static const std::string BUKKIT_TYPE;
static const std::string BUKKIT_ITERATOR_TYPE;
static const std::string BUKKIT_REF_TYPE;
static const std::string NOOB_TYPE;
static const std::string TEMP_PREFIX;
static const std::string SOURCE_PREFIX;
static const std::string SOURCE_DEFINED_PREFIX;
static const std::string MAEK_PREFIX;
static const std::string MAEK_TROOF;
static const std::string MAEK_NUMBR;
static const std::string MAEK_NUMBAR;
static const std::string MAEK_YARN;
static const std::string MAEK_BUKKIT;
static const std::string MAEK_NOOB;
static const std::string EXTRACT_PREFIX;
static const std::string EXTRACT_TROOF;
static const std::string EXTRACT_YARN;
static const std::string EXTRACT_FROM_BUKKIT;
static const std::string EXTRACT_FROM_BUKKIT_UNSAFE;
static const std::string EXTRACT_NUMERIC_FROM_YARN;
static const std::string VARIABLE_STORAGE;
static const std::string VARIABLE_STORAGE_PREFIX;
static const std::string VARIABLE_TYPE_ENUM;
static const std::string VARIABLE_TYPE;
static const std::string VARIABLE_TYPE_PREFIX;
static const std::string VARIABLE_TYPEID;
static const std::string TROOF_VALUE;
static const std::string NUMBR_VALUE;
static const std::string NUMBAR_VALUE;
static const std::string YARN_VALUE;
static const std::string BUKKIT_VALUE;
static const std::string CREATE_LITERAL_PREFIX;
static const std::string CREATE_TROOF_LITERAL;
static const std::string CREATE_NUMBR_LITERAL;
static const std::string CREATE_NUMBAR_LITERAL;
static const std::string CREATE_YARN_LITERAL;
static const std::string CREATE_NOOB_LITERAL;
static const std::string IT_VARIABLE;
static const std::string LOLCODE_EXCEPTION;
public:
std::string &GetEmittedCode() { return emittedCode_; }
void ProcessBegin( AST::StatementBlock *node ) { ProcessBegin(); }
void ProcessEnd( AST::StatementBlock *node );
void ProcessBegin( AST::ORlyBlock *node ) { ProcessBegin(); }
void ProcessEnd( AST::ORlyBlock * );
void ProcessBegin( AST::WtfBlock *node ) { ProcessBegin(); }
void ProcessEnd( AST::WtfBlock * );
void ProcessBegin( AST::ForLoopBlock *node ) { ProcessBegin(); }
void ProcessEnd( AST::ForLoopBlock * );
void ProcessBegin( AST::RangeLoopBlock *node ) { ProcessBegin(); }
void ProcessEnd( AST::RangeLoopBlock * );
void ProcessBegin( AST::FunkshunBlock *node ) { ProcessBegin(); }
void ProcessEnd( AST::FunkshunBlock * );
void ProcessBegin( AST::FunkshunDeclare *node ) { ProcessBegin(); }
void ProcessEnd( AST::FunkshunDeclare * );
//void ProcessBegin( AST::PlzBlock * );
//void ProcessEnd( AST::PlzBlock * );
void ProcessBegin( AST::LiteralVarDeclare *node ) { ProcessBegin(); }
void ProcessEnd( AST::LiteralVarDeclare * );
//void ProcessBegin( AST::SrsVarDeclare *node ) { ProcessBegin(); }
//void ProcessEnd( AST::SrsVarDeclare * );
void ProcessBegin( AST::SlotVarDeclare *node ) { ProcessBegin(); }
void ProcessEnd( AST::SlotVarDeclare * );
void ProcessBegin( AST::VarAssign *node ) { ProcessBegin(); }
void ProcessEnd( AST::VarAssign * );
void ProcessBegin( AST::FunkshunReturn *node ) { ProcessBegin(); }
void ProcessEnd( AST::FunkshunReturn * );
void Process( AST::GtfoStatement * );
void Process( AST::WhatevrStatement * );
void ProcessBegin( AST::VisibleStatement *node ) { ProcessBegin(); }
void ProcessEnd( AST::VisibleStatement * );
void ProcessBegin( AST::GimmehStatement *node ) { ProcessBegin(); }
void ProcessEnd( AST::GimmehStatement * );
void ProcessBegin( AST::Program *node ) { ProcessBegin(); }
void ProcessEnd( AST::Program * );
void Process( AST::TroofLiteral * );
void Process( AST::NumbrLiteral * );
void Process( AST::NumbarLiteral * );
void Process( AST::YarnLiteral * );
void Process( AST::NoobLiteral * );
void Process( AST::TypeIdentifier * );
void Process( AST::LiteralIdentifier * );
//void ProcessBegin( AST::SrsIdentifier * );
//void ProcessEnd( AST::SrsIdentifier * );
void Process( AST::ItIdentifier * );
void ProcessBegin( AST::SlotIdentifier *node ) { ProcessBegin(); }
void ProcessEnd( AST::SlotIdentifier * );
void ProcessBegin( AST::MaekExpression *node ) { ProcessBegin(); }
void ProcessEnd( AST::MaekExpression * );
void ProcessBegin( AST::NotExpression *node ) {
ProcessUnaryExpressionBegin( node );
}
void ProcessEnd( AST::NotExpression *node ) {
ProcessUnaryExpressionEnd( node );
}
void ProcessBegin( AST::UppinExpression *node ) {
ProcessUnaryExpressionBegin( node );
}
void ProcessEnd( AST::UppinExpression *node ) {
ProcessUnaryExpressionEnd( node );
}
void ProcessBegin( AST::NerfinExpression *node ) {
ProcessUnaryExpressionBegin( node );
}
void ProcessEnd( AST::NerfinExpression *node ) {
ProcessUnaryExpressionEnd( node );
}
void ProcessBegin( AST::TilExpression *node ) {
ProcessUnaryExpressionBegin( node );
}
void ProcessEnd( AST::TilExpression *node ) {
ProcessUnaryExpressionEnd( node );
}
void ProcessBegin( AST::WileExpression *node ) {
ProcessUnaryExpressionBegin( node );
}
void ProcessEnd( AST::WileExpression *node ) {
ProcessUnaryExpressionEnd( node );
}
void ProcessBegin( AST::SumExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::SumExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::DiffExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::DiffExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::ProduktExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::ProduktExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::QuoshuntExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::QuoshuntExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::ModExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::ModExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::BiggrExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::BiggrExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::SmallrExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::SmallrExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::BothExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::BothExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::EitherExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::EitherExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::WonExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::WonExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::SaemExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::SaemExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::DiffrintExpression *node ) {
ProcessBinaryExpressionBegin( node );
}
void ProcessEnd( AST::DiffrintExpression *node ) {
ProcessBinaryExpressionEnd( node );
}
void ProcessBegin( AST::AllExpression *node ) {
ProcessNaryExpressionBegin( node );
}
void ProcessEnd( AST::AllExpression *node ) {
ProcessNaryExpressionEnd( node );
}
void ProcessBegin( AST::AnyExpression *node ) {
ProcessNaryExpressionBegin( node );
}
void ProcessEnd( AST::AnyExpression *node ) {
ProcessNaryExpressionEnd( node );
}
void ProcessBegin( AST::SmooshExpression *node ) {
ProcessNaryExpressionBegin( node );
}
void ProcessEnd( AST::SmooshExpression *node ) {
ProcessNaryExpressionEnd( node );
}
void ProcessBegin( AST::FunkshunCall *node ) { ProcessBegin(); }
void ProcessEnd( AST::FunkshunCall * );
private:
void ProcessBegin() { codeSegments_.emplace(); }
void ProcessUnaryExpressionBegin( AST::UnaryExpression *node ) {
ProcessBegin();
}
void ProcessUnaryExpressionEnd( AST::UnaryExpression * );
void ProcessBinaryExpressionBegin( AST::BinaryExpression *node ) {
ProcessBegin();
}
void ProcessBinaryExpressionEnd( AST::BinaryExpression * );
void ProcessNaryExpressionBegin( AST::NaryExpression *node ) {
ProcessBegin();
}
void ProcessNaryExpressionEnd( AST::NaryExpression * );
void EmitBoilerplate( std::ostringstream & );
void EmitTypedefs( std::ostringstream & );
void EmitUnaryOperator( const std::string &,
AST::OperatorType,
std::ostringstream & );
void EmitBinaryOperator( const std::string &,
AST::OperatorType,
std::ostringstream & );
void EmitNaryOperator( const std::string &,
AST::OperatorType,
std::ostringstream & );
private:
std::string emittedCode_;
std::stack< std::list<std::string> > codeSegments_;
std::unordered_map<std::string, AST::OperatorType> requiredOperators_;
};
#endif