mirror of
https://gitlab.com/OpenMW/openmw.git
synced 2024-12-28 18:18:52 +00:00
110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
#ifndef COMPILER_EXPRPARSER_H_INCLUDED
|
|
#define COMPILER_EXPRPARSER_H_INCLUDED
|
|
|
|
#include <vector>
|
|
|
|
#include <components/interpreter/types.hpp>
|
|
|
|
#include "parser.hpp"
|
|
#include "tokenloc.hpp"
|
|
|
|
namespace Compiler
|
|
{
|
|
class Locals;
|
|
class Literals;
|
|
|
|
class ExprParser : public Parser
|
|
{
|
|
Locals& mLocals;
|
|
Literals& mLiterals;
|
|
std::vector<char> mOperands;
|
|
std::vector<char> mOperators;
|
|
bool mNextOperand;
|
|
TokenLoc mTokenLoc;
|
|
std::vector<Interpreter::Type_Code> mCode;
|
|
bool mFirst;
|
|
bool mArgument;
|
|
std::string mExplicit;
|
|
bool mRefOp;
|
|
bool mMemberOp;
|
|
|
|
static int getPriority(char op);
|
|
|
|
char getOperandType(int Index = 0) const;
|
|
|
|
char getOperator() const;
|
|
|
|
bool isOpen() const;
|
|
|
|
void popOperator();
|
|
|
|
void popOperand();
|
|
|
|
void replaceBinaryOperands();
|
|
|
|
void pop();
|
|
|
|
void pushIntegerLiteral(int value);
|
|
|
|
void pushFloatLiteral(float value);
|
|
|
|
void pushBinaryOperator(char c);
|
|
|
|
void close();
|
|
|
|
int parseArguments(const std::string& arguments, Scanner& scanner);
|
|
|
|
bool handleMemberAccess(const std::string& name);
|
|
|
|
public:
|
|
ExprParser(ErrorHandler& errorHandler, const Context& context, Locals& locals, Literals& literals,
|
|
bool argument = false);
|
|
///< constructor
|
|
/// \param argument Parser is used to parse function- or instruction-
|
|
/// arguments (this influences the precedence rules).
|
|
|
|
char getType() const;
|
|
///< Return type of parsed expression ('l' integer, 'f' float)
|
|
|
|
bool parseInt(int value, const TokenLoc& loc, Scanner& scanner) override;
|
|
///< Handle an int token.
|
|
/// \return fetch another token?
|
|
|
|
bool parseFloat(float value, const TokenLoc& loc, Scanner& scanner) override;
|
|
///< Handle a float token.
|
|
/// \return fetch another token?
|
|
|
|
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.
|
|
|
|
char append(std::vector<Interpreter::Type_Code>& code);
|
|
///< Generate code for parsed expression.
|
|
/// \return Type ('l': integer, 'f': float)
|
|
|
|
int parseArguments(const std::string& arguments, Scanner& scanner, std::vector<Interpreter::Type_Code>& code,
|
|
int ignoreKeyword = -1, bool expectNames = false);
|
|
///< Parse sequence of arguments specified by \a arguments.
|
|
/// \param arguments Uses ScriptArgs typedef
|
|
/// \see Compiler::ScriptArgs
|
|
/// \param invert Store arguments in reverted order.
|
|
/// \param ignoreKeyword A keyword that is seen as junk
|
|
/// \return number of optional arguments
|
|
|
|
const TokenLoc& getTokenLoc() const;
|
|
};
|
|
}
|
|
|
|
#endif
|