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(* |
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Copyright 2016 Anton Krotov |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public License |
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along with this program. If not, see . |
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*) |
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MODULE Vector; |
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IMPORT sys := SYSTEM, K := KOSAPI; |
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TYPE |
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DESC_VECTOR = RECORD |
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data : INTEGER; |
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count : INTEGER; |
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size : INTEGER |
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END; |
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VECTOR* = POINTER TO DESC_VECTOR; |
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ANYREC* = RECORD END; |
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ANYPTR* = POINTER TO ANYREC; |
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DESTRUCTOR* = PROCEDURE (VAR ptr: ANYPTR); |
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PROCEDURE count* (vector: VECTOR): INTEGER; |
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BEGIN |
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ASSERT(vector # NIL) |
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RETURN vector.count |
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END count; |
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PROCEDURE push* (vector: VECTOR; value: ANYPTR); |
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BEGIN |
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ASSERT(vector # NIL); |
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IF vector.count = vector.size THEN |
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vector.data := K.realloc(vector.data, (vector.size + 1024) * 4); |
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ASSERT(vector.data # 0); |
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vector.size := vector.size + 1024 |
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END; |
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sys.PUT(vector.data + vector.count * 4, value); |
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INC(vector.count) |
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END push; |
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PROCEDURE get* (vector: VECTOR; idx: INTEGER): ANYPTR; |
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VAR res: ANYPTR; |
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BEGIN |
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ASSERT(vector # NIL); |
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ASSERT( (0 <= idx) & (idx < vector.count) ); |
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sys.GET(vector.data + idx * 4, res) |
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RETURN res |
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END get; |
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PROCEDURE put* (vector: VECTOR; idx: INTEGER; value: ANYPTR); |
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BEGIN |
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ASSERT(vector # NIL); |
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ASSERT( (0 <= idx) & (idx < vector.count) ); |
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sys.PUT(vector.data + idx * 4, value) |
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END put; |
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PROCEDURE create* (size: INTEGER): VECTOR; |
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VAR vector: VECTOR; |
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BEGIN |
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NEW(vector); |
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IF vector # NIL THEN |
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vector.data := K.malloc(4 * size); |
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IF vector.data # 0 THEN |
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vector.size := size; |
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vector.count := 0 |
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ELSE |
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DISPOSE(vector) |
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END |
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END |
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RETURN vector |
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END create; |
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PROCEDURE def_destructor (VAR any: ANYPTR); |
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BEGIN |
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DISPOSE(any) |
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END def_destructor; |
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PROCEDURE destroy* (VAR vector: VECTOR; destructor: DESTRUCTOR); |
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VAR i: INTEGER; |
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any: ANYPTR; |
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BEGIN |
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ASSERT(vector # NIL); |
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IF destructor = NIL THEN |
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destructor := def_destructor |
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END; |
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FOR i := 0 TO vector.count - 1 DO |
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any := get(vector, i); |
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destructor(any) |
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END; |
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vector.data := K.free(vector.data); |
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DISPOSE(vector) |
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END destroy; |
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END Vector. |