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⟦7c8bc3803⟧ TextFile

    Length: 4046 (0xfce)
    Types: TextFile
    Names: »B«

Derivation

└─⟦180fe333a⟧ Bits:30000405 8mm tape, Rational 1000, SW CATALOG, 10_20_0
└─⟦180fe333a⟧ Bits:30000537 8mm tape, Rational 1000, SW Catalog 10_20_0
    └─⟦5cb1d1d7f⟧ »DATA« 
        └─⟦3b1ee7bd8⟧ 
            └─⟦this⟧ 

TextFile

separate (Find_Unit.Build_Ada_Compilation_Unit)
procedure Function_Or_Instantiation
             (Current_Unit : in out Compilation_Unit.Ada_Compilation_Unit) is
    --==============================================================
    -- This procedure builds the next part of the grammar for an   =
    -- Ada compilation unit. Based on the next token, we will      =
    -- complete different productions. At present, we are          =
    -- parsing either a function specification, function body,     =
    -- or a generic function instantiation. This program will      =
    -- use the peek ahead to determine whether this is an          =
    -- instantiation or one of the other productions.              =
    -- Grammar :                                                   =
    --    <Function_Or_Instantiation> =                            =
    --         <Desig> [<Left_Right_Paren>]                        =
    --         <Function_Spec_Or_Body> |                           =
    --         <Desig> 'IS' 'NEW' * ';'                            =
    --                                                             =
    -- Written  by  GER  with  help  from  b2  and  JM             =
    -- May 1985  EVB Software Engineering Inc.                     =
    --==============================================================

    Current_Token : Token_Package.Token;
    -- The current token read from the source file
    Peek_Token : Token_Package.Token;
    -- A future token to be used later

begin
    -- Function_Or_Instantiation

    -- Get the function designator

    Get_Next_Significant_Token (Significant_Token => Current_Token,
                                Current_Unit => Current_Unit);

    if Token_Package.Class_Of (Current_Token) = Token_Package.Identifier or
       Token_Package.Class_Of (Current_Token) =
          Token_Package.Standard_String_Literal or
       Token_Package.Class_Of (Current_Token) =
          Token_Package.Alternate_String_Literal then
        Compilation_Unit.Add_Token_To_Compilation_Unit
           (Token_To_Add => Current_Token, Unit_To_Add_To => Current_Unit);
    else
        -- Not part of the legal grammar
        raise Build_Syntax_Error;
    end if;

    -- Peek ahead twice to see if this is a generic instantiation

    Peek_Next_Significant_Token (Significant_Token => Peek_Token);
    Peek_Next_Significant_Token (Significant_Token => Peek_Token);

    case Token_Package.Value_Of (Peek_Token) is
        when Token_Package.New_Token =>

            -- Must be a generic instantiation so repeatly get
            -- tokens until a semiclon is found

            Search_For_Semi_Colon:
                loop
                    Get_Next_Significant_Token
                       (Significant_Token => Current_Token,
                        Current_Unit => Current_Unit);

                    if "/=" (Token_Package.Class_Of (Current_Token),
                             Token_Package.End_Of_File) then
                        Compilation_Unit.Add_Token_To_Compilation_Unit
                           (Token_To_Add => Current_Token,
                            Unit_To_Add_To => Current_Unit);
                    else
                        -- Not part of the legal grammar
                        raise Build_Syntax_Error;
                    end if;

                    exit Search_For_Semi_Colon when
                       Token_Package.Value_Of (Current_Token) =
                          Token_Package.Semicolon_Token;
                end loop Search_For_Semi_Colon;

        when others =>

            -- Set the peek back to the beginning

            Token_Package.Set_Peek_Back;

            Peek_Next_Significant_Token (Significant_Token => Peek_Token);

            if Token_Package.Value_Of (Peek_Token) =
               Token_Package.Left_Parenthesis_Token then
                Left_Right_Paren (Current_Unit => Current_Unit);
            end if;

            Function_Spec_Or_Body (Current_Unit => Current_Unit);

    end case;

end Function_Or_Instantiation;