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thechaingamer
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ada-git-code

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declare
Type_Name : constant String := Substring (The_Type.all, ":", 1);
begin
IO.Put_Line (Spec_File, " procedure Visit_" & Type_Name & "_" & Base_Name &
" (Self : in out Visitor; The_" & Base_Name &
" : " & Type_Name & ") with");
IO.Put_Line (Spec_File, " Global => (Input => Exprs.State);");
IO.Put_Line (Body_File, " procedure Visit_" & Type_Name & "_" & Base_Name &
" (Self : in out Visitor; The_" & Base_Name &
" : " & Type_Name & ") is");
IO.Put_Line (Body_File, " begin");
IO.Put_Line (Body_File, " null;");
IO.Put_Line (Body_File, " end Visit_" & Type_Name & "_" & Base_Name & ";");
IO.New_Line (Body_File);
Function Definition: procedure Scan_Token is
Function Body: procedure Add_Token (Kind : Token_Kind) with
Global => (input => (Start, Current, Source, Line),
in_out => (Error_Reporter.State, SPARK.Text_IO.Standard_Error, Token_List)),
Pre => Source'First <= Start and then Start < Current and then Current - 1 <= Source'Last;
procedure Add_Token (Kind : Token_Kind; Lexeme : String) with
Global => (input => (Line),
in_out => (Error_Reporter.State, SPARK.Text_IO.Standard_Error, Token_List));
procedure Advance (C : out Character) with
Global => (Input => Source, In_Out => Current),
Pre => Current >= Source'First and then
Current <= Source'Last and then
Current < Integer'Last,
Post => Current = Current'Old + 1;
procedure Ignore with
Global => (Input => Source, In_Out => Current),
Pre => Current >= Source'First and then
Current <= Source'Last and then
Current < Integer'Last,
Post => Current = Current'Old + 1;
procedure Advance_If_Match (Expected : Character; Match : out Boolean) with
Global => (in_out => Current, Input => Source),
Pre => Source'First <= Current and then Source'Last < Integer'Last,
Post => (if Match then
(Current - 1 <= Source'Last and then Current = Current'Old + 1)
else
Current = Current'Old);
function Peek return Character with
Global => (Input => (Current, Source)),
Pre => Current >= Source'First,
Post => (if Peek'Result /= NUL then Current <= Source'Last);
function Peek_Next return Character with
Pre => Current >= Source'First and then Current < Integer'Last;
procedure Scan_Identifier with
Pre => Source'First <= Start and then Start < Current and then
Current - 1 <= Source'Last and then Source'Last < Integer'Last,
Post => Current >= Current'Old;
procedure Scan_Number with
Pre => Source'First <= Start and then Start < Current and then
Current - 1 <= Source'Last and then Source'Last < Integer'Last,
Post => Current >= Current'Old;
procedure Scan_String with
Global => (Input => (Source, Start),
in_out => (Current, Line, Token_List, SPARK.Text_IO.Standard_Error, Error_Reporter.State)),
Pre => Source'First <= Start and then Start < Current and then Source'Last < Integer'Last,
Post => Current >= Current'Old;
procedure Add_Token (Kind : Token_Kind) is
begin
Add_Token (Kind, Source (Start .. Current - 1));
end Add_Token;
procedure Add_Token (Kind : Token_Kind; Lexeme : String) is
use Tokens.Lists;
begin
if Length (Token_List) >= Token_List.Capacity then
Error_Reporter.Error (Line_No => Line,
Message => "Out of token capacity");
return;
end if;
Append (Container => Token_List,
New_Item => Tokens.New_Token (Kind => Kind,
Lexeme => Lexeme,
Line => Line));
end Add_Token;
procedure Advance (C : out Character) is
begin
Current := Current + 1;
C := Source (Current - 1);
end Advance;
procedure Advance_If_Match (Expected : Character; Match : out Boolean) is
begin
if Is_At_End then
Match := False;
elsif Source (Current) /= Expected then
Match := False;
else
Current := Current + 1;
Match := True;
end if;
end Advance_If_Match;
procedure Ignore is