forked from KolibriOS/kolibrios
128 lines
2.0 KiB
Plaintext
128 lines
2.0 KiB
Plaintext
(*
|
|
BSD 2-Clause License
|
|
|
|
Copyright (c) 2020, Anton Krotov
|
|
All rights reserved.
|
|
*)
|
|
|
|
MODULE Trap;
|
|
|
|
IMPORT SYSTEM;
|
|
|
|
|
|
PROCEDURE [code] sp* (): INTEGER
|
|
22, 0, 4; (* MOV R0, SP *)
|
|
|
|
|
|
PROCEDURE [code] syscall* (ptr: INTEGER)
|
|
22, 0, 4, (* MOV R0, SP *)
|
|
27, 0, 4, (* ADD R0, 4 *)
|
|
9, 0, 0, (* LDR32 R0, R0 *)
|
|
80, 0, 0; (* SYSCALL R0 *)
|
|
|
|
|
|
PROCEDURE Char (c: CHAR);
|
|
VAR
|
|
a: ARRAY 2 OF INTEGER;
|
|
|
|
BEGIN
|
|
a[0] := 8;
|
|
a[1] := ORD(c);
|
|
syscall(SYSTEM.ADR(a[0]))
|
|
END Char;
|
|
|
|
|
|
PROCEDURE String (s: ARRAY OF CHAR);
|
|
VAR
|
|
i: INTEGER;
|
|
|
|
BEGIN
|
|
i := 0;
|
|
WHILE s[i] # 0X DO
|
|
Char(s[i]);
|
|
INC(i)
|
|
END
|
|
END String;
|
|
|
|
|
|
PROCEDURE PString (ptr: INTEGER);
|
|
VAR
|
|
c: CHAR;
|
|
|
|
BEGIN
|
|
SYSTEM.GET(ptr, c);
|
|
WHILE c # 0X DO
|
|
Char(c);
|
|
INC(ptr);
|
|
SYSTEM.GET(ptr, c)
|
|
END
|
|
END PString;
|
|
|
|
|
|
PROCEDURE Ln;
|
|
BEGIN
|
|
String(0DX + 0AX)
|
|
END Ln;
|
|
|
|
|
|
PROCEDURE IntToStr (x: INTEGER; VAR str: ARRAY OF CHAR);
|
|
VAR
|
|
i, a: INTEGER;
|
|
|
|
BEGIN
|
|
i := 0;
|
|
a := x;
|
|
REPEAT
|
|
INC(i);
|
|
a := a DIV 10
|
|
UNTIL a = 0;
|
|
|
|
str[i] := 0X;
|
|
|
|
REPEAT
|
|
DEC(i);
|
|
str[i] := CHR(x MOD 10 + ORD("0"));
|
|
x := x DIV 10
|
|
UNTIL x = 0
|
|
END IntToStr;
|
|
|
|
|
|
PROCEDURE Int (x: INTEGER);
|
|
VAR
|
|
s: ARRAY 32 OF CHAR;
|
|
|
|
BEGIN
|
|
IntToStr(x, s);
|
|
String(s)
|
|
END Int;
|
|
|
|
|
|
PROCEDURE trap* (modnum, _module, err, line: INTEGER);
|
|
VAR
|
|
s: ARRAY 32 OF CHAR;
|
|
|
|
BEGIN
|
|
CASE err OF
|
|
| 1: s := "assertion failure"
|
|
| 2: s := "NIL dereference"
|
|
| 3: s := "bad divisor"
|
|
| 4: s := "NIL procedure call"
|
|
| 5: s := "type guard error"
|
|
| 6: s := "index out of range"
|
|
| 7: s := "invalid CASE"
|
|
| 8: s := "array assignment error"
|
|
| 9: s := "CHR out of range"
|
|
|10: s := "WCHR out of range"
|
|
|11: s := "BYTE out of range"
|
|
END;
|
|
|
|
Ln;
|
|
String("error ("); Int(err); String("): "); String(s); Ln;
|
|
String("module: "); PString(_module); Ln;
|
|
String("line: "); Int(line); Ln;
|
|
|
|
SYSTEM.CODE(0, 0, 0) (* STOP *)
|
|
END trap;
|
|
|
|
|
|
END Trap. |