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procedure Parse_SPM(parser : in out Parser_Type;
result : out Memory_Pointer) is separate;
procedure Parse_Stats(parser : in out Parser_Type;
result : out Memory_Pointer) is separate;
procedure Parse_Super(parser : in out Parser_Type;
result : out Memory_Pointer) is separate;
procedure Parse_Trace(parser : in out Parser_Type;
result : out Memory_Pointer) is separate;
type Memory_Parser_Type is record
name : Unbounded_String;
parser : access procedure(parser : in out Parser_Type;
result : out Memory_Pointer);
end record;
type Memory_Parser_Array is array(Positive range <>) of Memory_Parser_Type;
parser_map : constant Memory_Parser_Array := (
(To_Unbounded_String("arbiter"), Parse_Arbiter'Access),
(To_Unbounded_String("cache"), Parse_Cache'Access),
(To_Unbounded_String("dram"), Parse_DRAM'Access),
(To_Unbounded_String("dup"), Parse_Dup'Access),
(To_Unbounded_String("eor"), Parse_EOR'Access),
(To_Unbounded_String("flash"), Parse_Flash'Access),
(To_Unbounded_String("flip"), Parse_Flip'Access),
(To_Unbounded_String("join"), Parse_Join'Access),
(To_Unbounded_String("offset"), Parse_Offset'Access),
(To_Unbounded_String("option"), Parse_Option'Access),
(To_Unbounded_String("perfect_prefetch"), Parse_Perfect_Prefetch'Access),
(To_Unbounded_String("prefetch"), Parse_Prefetch'Access),
(To_Unbounded_String("ram"), Parse_RAM'Access),
(To_Unbounded_String("register"), Parse_Register'Access),
(To_Unbounded_String("shift"), Parse_Shift'Access),
(To_Unbounded_String("split"), Parse_Split'Access),
(To_Unbounded_String("spm"), Parse_SPM'Access),
(To_Unbounded_String("stats"), Parse_Stats'Access),
(To_Unbounded_String("super"), Parse_Super'Access),
(To_Unbounded_String("trace"), Parse_Trace'Access)
);
function Parse_Boolean(value : String) return Boolean is
begin
if value = "true" then
return True;
elsif value = "false" then
return False;
else
raise Data_Error;
end if;
end Parse_Boolean;
procedure Parse_Memory(parser : in out Parser_Type;
result : out Memory_Pointer) is
begin
Match(parser, Open);
declare
name : constant String := Get_Value(parser.lexer);
begin
Next(parser.lexer);
for i in parser_map'First .. parser_map'Last loop
if parser_map(i).name = name then
parser_map(i).parser(parser, result);
Match(parser, Close);
return;
end if;
end loop;
Raise_Error(parser, "invalid memory type: " & name);
Function Definition: procedure Raise_Error(parser : in Parser_Type;
Function Body: msg : in String) is
name : constant String := Get_File_Name(parser.lexer);
line : constant String := Positive'Image(Get_Line(parser.lexer));
begin
Put_Line(name & "[" & line(2 .. line'Last) & "]: error: " & msg);
raise Parse_Error;
end Raise_Error;
function Get_Type(parser : Parser_Type) return Token_Type is
begin
return Get_Type(parser.lexer);
end Get_Type;
function Get_Value(parser : Parser_Type) return String is
begin
return Get_Value(parser.lexer);
end Get_Value;
procedure Match(parser : in out Parser_Type;
token : in Token_Type) is
begin
if Get_Type(parser) /= token then
Raise_Error(parser, "got '" & Get_Value(parser) &
"' expected '" & Token_Type'Image(token) & "'");
end if;
Next(parser.lexer);
end Match;