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ada-git-code

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if Current_Char /= What then
raise Parsing_Error
with "Expecting '" & What & "' got '" & Current_Char & "'";
else
Next_Char;
end if;
end Expect;
function Remaining return String is
begin
return Buffer (Cursor .. Buffer'Last);
end Remaining;
Level : Natural := 0;
function Indent return String is
use Ada.Strings.Fixed;
begin
return (Level * 3) * " ";
end Indent;
procedure Down_Level is
begin
Level := Level + 1;
end Down_Level;
procedure Up_Level is
begin
Level := Level - 1;
end Up_Level;
procedure Ecco (X : String) is
begin
if Verbose then
Ada.Text_Io.Put_Line (Indent
& "Calling "
& X & "[" & Remaining & "]"
& "'" & Current_Char & "'");
Down_Level;
end if;
end Ecco;
procedure Fine is
begin
if Verbose then
Up_Level;
Ada.Text_Io.Put_Line (Indent & "done " & "[" & Remaining & "]"
& "'" & Current_Char & "'");
end if;
end Fine;
procedure Advance (N : Positive) is
begin
Cursor := Cursor + N - 1;
Next_Char;
end Advance;
function Parse_Expr return Node_Access;
-- function Parse_Identifier return Bounded_ID is
-- use Ada.Strings.Maps;
-- use Bounded_IDs;
--
-- Result : Bounded_ID;
-- ID_Chars : constant Character_Set :=
-- To_Set (Character_Range'('a', 'z')) or
-- To_Set (Character_Range'('A', 'Z')) or
-- To_Set (Character_Range'('0', '9')) or
-- To_Set ('.') or
-- To_Set ('_');
-- begin
-- Ecco ("ID");
--
-- while Is_In (Current_Char, ID_Chars) loop
-- Result := Result & Current_Char;
-- Next_Char (Skip_Spaces => False);
-- end loop;
--
-- if Current_Char = ' ' then
-- Next_Char;
-- end if;
--
-- Fine;
-- return Result;
-- end Parse_Identifier;
procedure Parse_Parameter_List (Parameters : out Parameter_Array;
N_Params : out Natural)
is
begin
Ecco ("par-list");
if Current_Char = ')' then
N_Params := 0;
else
N_Params := 1;
Parameters (1) := Parse_Expr;
while Current_Char = ',' loop