Delete function.hh

This file is not used

lab3-4/function.hh

-#ifndef __KOMP_FUNCTION__
-#define __KOMP_FUNCTION__
-
-/*
- * SymbolInformationType is used to tag object subclassed from
- * SymbolInformation. The value of SymbolInformation's type field
- * specified which subclass the object belongs to.
- */
-
-typedef enum
-{
-    kFunctionInformation,
-    kVariableInformation,
-    kTypeInformation,
-} SymbolInformationType;
-
-
-/*
- * SymbolInformation is the base class for all information about
- * symbols. It is never used directly; use the subclasses instead
- */
-
-class SymbolInformation
-{
-public:
-    SymbolInformationType       type;
-    string                      id;
-    SymbolTable                *table;
-
-    SymbolInformation(SymbolInformationType t) : type(t) {};
-};
-
-
-/*
- * FunctionInformation represents information stored about a function
- * in the symbol table. It contains the return type of the function, a
- * pointer to the functions's first parameter and a pointer to the
- * symbol table for the function.
- */
-
-class FunctionInformation : SymbolInformation
-{
-public:
-    TypeInformation             *returnType;
-    VariableInformation         *firstParam;
-    SymbolTable                 *symbolTable;
-
-
-    FunctionInformation() : SymbolInformationType(kFunctionInformation) {};
-
-    void SetParent(FunctionInformation *);
-    void SetReturnType(TypeInformation *);
-    void SetName(string&);
-
-    char AddParameter(string&, TypeInformation *);
-    char AddVariable(string&, TypeInformation *);
-    char AddArrayType(TypeInformation *, int);
-};
-
-
-/*
- * VariableInformation represents information stored about a variable
- * in the symbol table. It contains a type field which specifies
- * the type of the variable and a next field which is used to link
- * together parameters and local variables in a symbol table.
- */
-
-class VariableInformation : SymbolInformation
-{
-public:
-    TypeInformation             *type;
-    VariableInformation         *next;
-
-    VariableInformation() : SymbolInformation(kVariableInformation) {};
-};
-
-class TypeInformation : SymbolInformation
-{
-public:
-    TypeInformation             *elementType;
-    int                          arrayDimensions;
-
-    TypeInformation() : SymbolInformation(kTypeInformation) {};
-}
-
-
-
-
-/*
- * SymbolTable is a symbol table. You'll never really use this
- * directly. Instead, use the methods in the FunctionInformation
- * class for adding and looking up variables in the symbol table
- */
-
-
-class SymbolTableElement
-{
-public:
-    SymbolInformation       *info;
-    SymbolTableElement      *next;
-};
-
-class SymbolTable
-{
-public:
-    SymbolTableElement     **table;
-    static int               nextTemporary;
-
-    void AddSymbol(SymbolInformation *);
-    SymbolInformation *LookupSymbol(string&);
-
-    VariableInformation *GenTemp(TypeInformation *);
-};
-