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DataMuseum.dkPresents historical artifacts from the history of: Rational R1000/400 Tapes |
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top - metrics - downloadIndex: B T
Length: 3968 (0xf80)
Types: TextFile
Names: »B«
└─⟦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⟧
separate (Find_Unit.Build_Ada_Compilation_Unit)
procedure Generic_Unit (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 =
-- a generic. We must first of all find the keyword generic. =
-- We will then search for the beginning of the generic =
-- specification part, keeping a look out for formal generic =
-- subprogram parameters. If a syntax error is detected, then =
-- we will raise Build_Syntax_Error. =
-- The grammar : =
-- <Generic_Unit> = =
-- 'GENERIC' * {'WITH' <Generic_Parm_Declaration> * } =
-- <Generic_Unit_Spec> =
-- =
-- written by GER with help from b2 and JM =
-- May 1985 at EVB Software Engineering =
--==============================================================
Current_Token : Token_Package.Token;
-- the current token read from the ada source code file
Found_Generic_Spec : Boolean := False;
-- Set to true when the start of the generic specification
-- is found
Peek_Token : Token_Package.Token;
-- This token will be gotten later by Get_Next_Signicant_Token
begin
-- Generic_Unit
-- Get the next significant token to see if it is 'GENERIC'
Get_Next_Significant_Token (Significant_Token => Current_Token,
Current_Unit => Current_Unit);
case Token_Package.Value_Of (Current_Token) is
when Token_Package.Generic_Token =>
Compilation_Unit.Add_Token_To_Compilation_Unit
(Token_To_Add => Current_Token, Unit_To_Add_To => Current_Unit);
when others =>
raise Build_Syntax_Error;
end case;
Search_For_Spec:
loop
Peek_Next_Significant_Token (Significant_Token => Peek_Token);
case Token_Package.Value_Of (Peek_Token) is
when Token_Package.With_Token =>
-- Found a formal generic subprogram parameter
Get_Next_Significant_Token
(Significant_Token => Current_Token,
Current_Unit => Current_Unit);
Compilation_Unit.Add_Token_To_Compilation_Unit
(Token_To_Add => Current_Token,
Unit_To_Add_To => Current_Unit);
Generic_Parm_Declaration (Current_Unit => Current_Unit);
when Token_Package.Procedure_Token |
Token_Package.Function_Token |
Token_Package.Package_Token =>
-- Found the start of generic specification
Found_Generic_Spec := True;
when others =>
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
raise Build_Syntax_Error;
else
Compilation_Unit.Add_Token_To_Compilation_Unit
(Token_To_Add => Current_Token,
Unit_To_Add_To => Current_Unit);
end if;
end case;
exit Search_For_Spec when Found_Generic_Spec;
end loop Search_For_Spec;
Generic_Unit_Spec (Current_Unit => Current_Unit);
end Generic_Unit;