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Length: 12288 (0x3000)
Types: Ada Source
Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Expression, seg_047e51
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─⟦5a81ac88f⟧ »Space Info Vol 1«
└─⟦this⟧
with Error, Expression_Simple, Liste_Mots_Voca, Dynamic_Value, Nom_Variable;
package body Expression is
procedure Create_Null_Complement
(Dyn_Node_Complement : in out Dynamic_Node.Object) is
Dyn_Val_Default : Dynamic_Value.Object;
Dyn_Node_Default : Dynamic_Node.Object;
begin
Dynamic_Value.Set_Value (Dyn_Val_Default, "", Dynamic_Value.Voca_Value);
Dynamic_Node.Create_Value (Dyn_Node_Default);
Dynamic_Node.Set_Value (Dyn_Node_Default, Dyn_Val_Default);
Dynamic_Node.Create_Unary_Operator
(Dyn_Node_Complement, Dynamic_Node.Complement);
Dynamic_Node.Set_Argument (Dyn_Node_Complement, Dyn_Node_Default);
end Create_Null_Complement;
procedure Parse (Dyn_Node : in out Dynamic_Node.Object) is
use Lexical_Analyzer;
subtype Operateur_Compare is
Lexical_Analyzer.Tokens range Less .. More_Equal;
Inherited, Inherited1, Local_Node_Right, Dyn_Node_Complement :
Dynamic_Node.Object;
begin
Expression_Simple.Parse (Inherited);
if (Lexical_Analyzer.Get_Token in Operateur_Compare) then
while (Lexical_Analyzer.Get_Token in Operateur_Compare) loop
case Lexical_Analyzer.Get_Token is
when Less =>
Dynamic_Node.Create_Binary_Operator
(Inherited1, Dynamic_Node.Less);
Lexical_Analyzer.Next;
Expression_Simple.Parse (Local_Node_Right);
when Less_Equal =>
Dynamic_Node.Create_Binary_Operator
(Inherited1, Dynamic_Node.Less_Equal);
Lexical_Analyzer.Next;
Expression_Simple.Parse (Local_Node_Right);
when More =>
Dynamic_Node.Create_Binary_Operator
(Inherited1, Dynamic_Node.More);
Lexical_Analyzer.Next;
Expression_Simple.Parse (Local_Node_Right);
when More_Equal =>
Dynamic_Node.Create_Binary_Operator
(Inherited1, Dynamic_Node.More_Equal);
Lexical_Analyzer.Next;
Expression_Simple.Parse (Local_Node_Right);
when Different =>
Dynamic_Node.Create_Binary_Operator
(Inherited1, Dynamic_Node.Different);
Lexical_Analyzer.Next;
Expression_Simple.Parse (Local_Node_Right);
when Equal =>
Dynamic_Node.Create_Binary_Operator
(Inherited1, Dynamic_Node.Equal);
Lexical_Analyzer.Next;
Expression_Simple.Parse (Local_Node_Right);
when others =>
null;
end case;
Dynamic_Node.Set_Argument
(Inherited1, Inherited, Dynamic_Node.Left);
Dynamic_Node.Set_Argument
(Inherited1, Local_Node_Right, Dynamic_Node.Right);
Inherited := Inherited1;
Dynamic_Node.Disconnect (Inherited1);
Dynamic_Node.Disconnect (Local_Node_Right);
end loop;
elsif Lexical_Analyzer.Get_Token = Dans then
if ((Dynamic_Node.Get_Operator (Inherited) /= "VERB") and
(Dynamic_Node.Get_Operator (Inherited) /= "COMPLEMENT")) then
Error.Set_Type_Error (Error.Word_Was_Expected);
raise Error.Excep_Semantic_Error;
end if;
Lexical_Analyzer.Next;
Dynamic_Node.Create_Binary_Operator
(Inherited1, Dynamic_Node.In_Set);
Dynamic_Node.Set_Argument
(Inherited1, Inherited, Dynamic_Node.Left);
Nom_Variable.Parse (Local_Node_Right);
Dynamic_Node.Set_Argument
(Inherited1, Local_Node_Right, Dynamic_Node.Right);
Inherited := Inherited1;
Dynamic_Node.Disconnect (Inherited1);
Dynamic_Node.Disconnect (Local_Node_Right);
else
Liste_Mots_Voca.Parse (Inherited1); -- epsilon peut etre parse
if Dynamic_Node.Does_Exists (Inherited1) then
if Dynamic_Node.Get_Operator (Inherited) /= "VERB" then
Error.Set_Type_Error
(Error.Verb_Was_Expected_At_Beginning_Of_Expression);
raise Error.Excep_Semantic_Error;
end if;
Dynamic_Node.Set_Argument (Inherited1, Inherited,
Dynamic_Node.Verb_Position);
Inherited := Inherited1;
else -- liste mots voca a parse epsilon (= pas de complements)
-- inherited venant de expression_simple.parse doit donc etre un verbe
-- car seul une expression du type si 'aller' alors .. est autorisee
if Dynamic_Node.Get_Operator (Inherited) = "VERB" or
Dynamic_Node.Get_Operator (Inherited) = "COMPLEMENT" then
-- seul si 'aller' alors .. est autorise
if Dynamic_Node.Get_Operator (Inherited) /= "VERB" then
Error.Set_Type_Error
(Error.Verb_Was_Expected_At_Beginning_Of_Expression);
raise Error.Excep_Semantic_Error;
end if;
-- create_ternary_default_operator car inherited1 n'existe pas
-- auquel on accroche le verb (inherited) et des complements null
Dynamic_Node.Create_Ternary_Operator
(Inherited1, Dynamic_Node.Sentence);
Create_Null_Complement (Dyn_Node_Complement);
Dynamic_Node.Set_Argument (Inherited1, Dyn_Node_Complement,
Dynamic_Node.Cplt1_Position);
Dynamic_Node.Set_Argument (Inherited1, Dyn_Node_Complement,
Dynamic_Node.Cplt2_Position);
Dynamic_Node.Disconnect (Dyn_Node_Complement);
Dynamic_Node.Set_Argument (Inherited1, Inherited,
Dynamic_Node.Verb_Position);
Inherited := Inherited1;
end if;
end if;
end if;
Dyn_Node := Inherited;
exception
when Lexical_Analyzer.Excep_Eof =>
Error.Set_Type_Error (Error.Unexpected_Eof);
Error.Treat;
raise Error.Excep_Syntaxe_Aborded;
end Parse;
function Is_First (Un_Token : Lexical_Analyzer.Tokens) return Boolean is
use Lexical_Analyzer;
begin
return ((Un_Token = Plus) or (Un_Token = Minus) or
(Un_Token = Left_Bracket) or (Un_Token = Non) or
(Un_Token = Integer_Number) or (Un_Token = Identifier) or
(Un_Token = String_Of_Characters) or
(Un_Token = Complement_Or_Verbe) or
(Un_Token = Complement1) or (Un_Token = Complement2));
end Is_First;
end Expression;
nblk1=b
nid=3
hdr6=12
[0x00] rec0=19 rec1=00 rec2=01 rec3=050
[0x01] rec0=0e rec1=00 rec2=06 rec3=056
[0x02] rec0=16 rec1=00 rec2=07 rec3=01c
[0x03] rec0=19 rec1=00 rec2=0a rec3=04e
[0x04] rec0=17 rec1=00 rec2=02 rec3=064
[0x05] rec0=07 rec1=00 rec2=05 rec3=018
[0x06] rec0=13 rec1=00 rec2=09 rec3=07e
[0x07] rec0=14 rec1=00 rec2=04 rec3=01e
[0x08] rec0=18 rec1=00 rec2=08 rec3=000
[0x09] rec0=0d rec1=00 rec2=04 rec3=000
[0x0a] rec0=23 rec1=47 rec2=50 rec3=000
tail 0x21544f60e865778a7a7c1 0x42a00088462060003
Free Block Chain:
0x3: 0000 00 0b 00 04 80 01 79 01 65 64 31 2c 20 44 79 6e ┆ y ed1, Dyn┆
0xb: 0000 00 00 01 44 80 0f 6e 5f 56 61 6c 5f 44 65 66 61 ┆ D n_Val_Defa┆