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OpenMW is an open implementation of the Morrowind engine
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C++
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677#ifndef COMPILER_CONTROLPARSER_H_INCLUDED#define COMPILER_CONTROLPARSER_H_INCLUDED
#include <vector>
#include <components/interpreter/types.hpp>
#include "exprparser.hpp"#include "lineparser.hpp"#include "parser.hpp"
namespace Compiler{ class Locals; class Literals;
// Control structure parser
class ControlParser : public Parser { enum State { StartState, IfEndState, IfBodyState, IfElseifEndState, IfElseifBodyState, IfElseEndState, IfElseBodyState, IfEndifState, WhileEndState, WhileBodyState, WhileEndwhileState, IfElseJunkState };
typedef std::vector<Interpreter::Type_Code> Codes; typedef std::vector<std::pair<Codes, Codes>> IfCodes;
Locals& mLocals; Literals& mLiterals; Codes mCode; Codes mCodeBlock; IfCodes mIfCode; // condition, body LineParser mLineParser; ExprParser mExprParser; State mState;
bool parseIfBody(int keyword, const TokenLoc& loc, Scanner& scanner);
bool parseWhileBody(int keyword, const TokenLoc& loc, Scanner& scanner);
public: ControlParser(ErrorHandler& errorHandler, const Context& context, Locals& locals, Literals& literals);
void appendCode(std::vector<Interpreter::Type_Code>& code) const; ///< store generated code in \a code.
bool parseName(const std::string& name, const TokenLoc& loc, Scanner& scanner) override; ///< Handle a name token. /// \return fetch another token?
bool parseKeyword(int keyword, const TokenLoc& loc, Scanner& scanner) override; ///< Handle a keyword token. /// \return fetch another token?
bool parseSpecial(int code, const TokenLoc& loc, Scanner& scanner) override; ///< Handle a special character token. /// \return fetch another token?
void reset() override; ///< Reset parser to clean state. };}
#endif