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author | Max Horn | 2009-09-22 00:35:46 +0000 |
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committer | Max Horn | 2009-09-22 00:35:46 +0000 |
commit | 5fc2428c99b6ea05f45e3c3cd655ce3010ee6aa8 (patch) | |
tree | c9882b6b7ee7ca5692e56f2336a8cfd8d9872ff0 /engines/sci | |
parent | 996b9cc74b26764465d3be80527c005bde705029 (diff) | |
download | scummvm-rg350-5fc2428c99b6ea05f45e3c3cd655ce3010ee6aa8.tar.gz scummvm-rg350-5fc2428c99b6ea05f45e3c3cd655ce3010ee6aa8.tar.bz2 scummvm-rg350-5fc2428c99b6ea05f45e3c3cd655ce3010ee6aa8.zip |
SCI: SegmentObj's now set their type in constructor; replace central SegmentObj::createSegmentObj call in SegManager::allocSegment by several explicit 'new' statements; some extra cleanup
svn-id: r44242
Diffstat (limited to 'engines/sci')
-rw-r--r-- | engines/sci/console.cpp | 4 | ||||
-rw-r--r-- | engines/sci/engine/game.cpp | 4 | ||||
-rw-r--r-- | engines/sci/engine/savegame.cpp | 8 | ||||
-rw-r--r-- | engines/sci/engine/seg_manager.cpp | 30 | ||||
-rw-r--r-- | engines/sci/engine/seg_manager.h | 2 | ||||
-rw-r--r-- | engines/sci/engine/segment.cpp | 16 | ||||
-rw-r--r-- | engines/sci/engine/segment.h | 33 |
7 files changed, 53 insertions, 44 deletions
diff --git a/engines/sci/console.cpp b/engines/sci/console.cpp index 628addc442..e88efe4f31 100644 --- a/engines/sci/console.cpp +++ b/engines/sci/console.cpp @@ -1332,7 +1332,7 @@ bool Console::cmdPrintSegmentTable(int argc, const char **argv) { break; case SEG_TYPE_STACK: - DebugPrintf("D data stack (%d)", (*(DataStack *)mobj).nr); + DebugPrintf("D data stack (%d)", (*(DataStack *)mobj)._capacity); break; case SEG_TYPE_SYS_STRINGS: @@ -1423,7 +1423,7 @@ bool Console::segmentInfo(int nr) { case SEG_TYPE_STACK: { DataStack *stack = (DataStack *)mobj; DebugPrintf("stack\n"); - DebugPrintf(" %d (0x%x) entries\n", stack->nr, stack->nr); + DebugPrintf(" %d (0x%x) entries\n", stack->_capacity, stack->_capacity); } break; diff --git a/engines/sci/engine/game.cpp b/engines/sci/engine/game.cpp index 218b6bad4d..1c94b540a0 100644 --- a/engines/sci/engine/game.cpp +++ b/engines/sci/engine/game.cpp @@ -417,8 +417,8 @@ int game_init(EngineState *s) { DataStack *stack; stack = s->segMan->allocateStack(VM_STACK_SIZE, &s->stack_segment); - s->stack_base = stack->entries; - s->stack_top = s->stack_base + VM_STACK_SIZE; + s->stack_base = stack->_entries; + s->stack_top = stack->_entries + stack->_capacity; if (!script_instantiate(s->resMan, s->segMan, 0)) { warning("game_init(): Could not instantiate script 0"); diff --git a/engines/sci/engine/savegame.cpp b/engines/sci/engine/savegame.cpp index 0c4cdaf9a9..03f249c20a 100644 --- a/engines/sci/engine/savegame.cpp +++ b/engines/sci/engine/savegame.cpp @@ -461,10 +461,10 @@ void DynMem::saveLoadWithSerializer(Common::Serializer &s) { } void DataStack::saveLoadWithSerializer(Common::Serializer &s) { - s.syncAsUint32LE(nr); + s.syncAsUint32LE(_capacity); if (s.isLoading()) { //free(entries); - entries = (reg_t *)calloc(nr, sizeof(reg_t)); + _entries = (reg_t *)calloc(_capacity, sizeof(reg_t)); } } @@ -561,8 +561,8 @@ static void reconstruct_stack(EngineState *retval) { DataStack *stack = (DataStack *)(retval->segMan->_heap[stack_seg]); retval->stack_segment = stack_seg; - retval->stack_base = stack->entries; - retval->stack_top = retval->stack_base + VM_STACK_SIZE; + retval->stack_base = stack->_entries; + retval->stack_top = stack->_entries + stack->_capacity; } static void load_script(EngineState *s, Script *scr) { diff --git a/engines/sci/engine/seg_manager.cpp b/engines/sci/engine/seg_manager.cpp index a1c837512b..6449272bdc 100644 --- a/engines/sci/engine/seg_manager.cpp +++ b/engines/sci/engine/seg_manager.cpp @@ -93,12 +93,10 @@ SegmentId SegManager::findFreeSegment() const { return seg; } -SegmentObj *SegManager::allocSegment(SegmentType type, SegmentId *segid) { +SegmentObj *SegManager::allocSegment(SegmentObj *mem, SegmentId *segid) { // Find a free segment *segid = findFreeSegment(); - // Now allocate an object of the appropriate type... - SegmentObj *mem = SegmentObj::createSegmentObj(type); if (!mem) error("SegManager: invalid mobj"); @@ -114,14 +112,14 @@ SegmentObj *SegManager::allocSegment(SegmentType type, SegmentId *segid) { Script *SegManager::allocateScript(int script_nr, SegmentId *seg_id) { // Check if the script already has an allocated segment. If it - // does have one, return it. + // does, return that segment. *seg_id = _scriptSegMap.getVal(script_nr, 0); if (*seg_id > 0) { return (Script *)_heap[*seg_id]; } // allocate the SegmentObj - SegmentObj *mem = allocSegment(SEG_TYPE_SCRIPT, seg_id); + SegmentObj *mem = allocSegment(new Script(), seg_id); // Add the script to the "script id -> segment id" hashmap _scriptSegMap[script_nr] = *seg_id; @@ -572,7 +570,7 @@ LocalVariables *SegManager::allocLocalsSegment(Script *scr, int count) { VERIFY(locals->getType() == SEG_TYPE_LOCALS, "Re-used locals segment did not consist of local variables"); VERIFY(locals->script_id == scr->_nr, "Re-used locals segment belonged to other script"); } else - locals = (LocalVariables *)allocSegment(SEG_TYPE_LOCALS, &scr->_localsSegment); + locals = (LocalVariables *)allocSegment(new LocalVariables(), &scr->_localsSegment); scr->_localsBlock = locals; locals->script_id = scr->_nr; @@ -704,23 +702,23 @@ static char *SegManager::dynprintf(char *msg, ...) { */ DataStack *SegManager::allocateStack(int size, SegmentId *segid) { - SegmentObj *mobj = allocSegment(SEG_TYPE_STACK, segid); + SegmentObj *mobj = allocSegment(new DataStack(), segid); DataStack *retval = (DataStack *)mobj; - retval->entries = (reg_t *)calloc(size, sizeof(reg_t)); - retval->nr = size; + retval->_entries = (reg_t *)calloc(size, sizeof(reg_t)); + retval->_capacity = size; return retval; } SystemStrings *SegManager::allocateSysStrings(SegmentId *segid) { - return (SystemStrings *)allocSegment(SEG_TYPE_SYS_STRINGS, segid); + return (SystemStrings *)allocSegment(new SystemStrings(), segid); } SegmentId SegManager::allocateStringFrags() { SegmentId segid; - allocSegment(SEG_TYPE_STRING_FRAG, &segid); + allocSegment(new StringFrag(), &segid); return segid; } @@ -769,7 +767,7 @@ Clone *SegManager::allocateClone(reg_t *addr) { int offset; if (!Clones_seg_id) { - table = (CloneTable *)allocSegment(SEG_TYPE_CLONES, &(Clones_seg_id)); + table = (CloneTable *)allocSegment(new CloneTable(), &(Clones_seg_id)); } else table = (CloneTable *)_heap[Clones_seg_id]; @@ -828,7 +826,7 @@ List *SegManager::allocateList(reg_t *addr) { int offset; if (!Lists_seg_id) - allocSegment(SEG_TYPE_LISTS, &(Lists_seg_id)); + allocSegment(new ListTable(), &(Lists_seg_id)); table = (ListTable *)_heap[Lists_seg_id]; offset = table->allocEntry(); @@ -842,7 +840,7 @@ Node *SegManager::allocateNode(reg_t *addr) { int offset; if (!Nodes_seg_id) - allocSegment(SEG_TYPE_NODES, &(Nodes_seg_id)); + allocSegment(new NodeTable(), &(Nodes_seg_id)); table = (NodeTable *)_heap[Nodes_seg_id]; offset = table->allocEntry(); @@ -856,7 +854,7 @@ Hunk *SegManager::alloc_Hunk(reg_t *addr) { int offset; if (!Hunks_seg_id) - allocSegment(SEG_TYPE_HUNK, &(Hunks_seg_id)); + allocSegment(new HunkTable(), &(Hunks_seg_id)); table = (HunkTable *)_heap[Hunks_seg_id]; offset = table->allocEntry(); @@ -912,7 +910,7 @@ char *SegManager::derefString(reg_t pointer, int entries) { byte *SegManager::allocDynmem(int size, const char *descr, reg_t *addr) { SegmentId seg; - SegmentObj *mobj = allocSegment(SEG_TYPE_DYNMEM, &seg); + SegmentObj *mobj = allocSegment(new DynMem(), &seg); *addr = make_reg(seg, 0); DynMem &d = *(DynMem *)mobj; diff --git a/engines/sci/engine/seg_manager.h b/engines/sci/engine/seg_manager.h index 6fec14a3dd..8c6676d0ec 100644 --- a/engines/sci/engine/seg_manager.h +++ b/engines/sci/engine/seg_manager.h @@ -373,7 +373,7 @@ private: SegmentId Hunks_seg_id; ///< ID of the (a) hunk segment private: - SegmentObj *allocSegment(SegmentType type, SegmentId *segid); + SegmentObj *allocSegment(SegmentObj *mem, SegmentId *segid); LocalVariables *allocLocalsSegment(Script *scr, int count); int deallocate(SegmentId seg, bool recursive); int createClassTable(); diff --git a/engines/sci/engine/segment.cpp b/engines/sci/engine/segment.cpp index dddf8169d8..036d0f6979 100644 --- a/engines/sci/engine/segment.cpp +++ b/engines/sci/engine/segment.cpp @@ -76,11 +76,11 @@ SegmentObj *SegmentObj::createSegmentObj(SegmentType type) { } assert(mem); - mem->_type = type; + assert(mem->_type == type); return mem; } -Script::Script() { +Script::Script() : SegmentObj(SEG_TYPE_SCRIPT) { _nr = 0; _buf = NULL; _bufSize = 0; @@ -251,14 +251,14 @@ byte *LocalVariables::dereference(reg_t pointer, int *size) { } bool DataStack::isValidOffset(uint16 offset) const { - return offset < nr * sizeof(reg_t); + return offset < _capacity * sizeof(reg_t); } byte *DataStack::dereference(reg_t pointer, int *size) { if (size) - *size = nr * sizeof(reg_t); + *size = _capacity * sizeof(reg_t); - byte *base = (byte *)entries; + byte *base = (byte *)_entries; return base + pointer.offset; } @@ -401,9 +401,9 @@ reg_t DataStack::findCanonicAddress(SegManager *segMan, reg_t addr) { } void DataStack::listAllOutgoingReferences(reg_t addr, void *param, NoteCallback note) { - fprintf(stderr, "Emitting %d stack entries\n", nr); - for (int i = 0; i < nr; i++) - (*note)(param, entries[i]); + fprintf(stderr, "Emitting %d stack entries\n", _capacity); + for (int i = 0; i < _capacity; i++) + (*note)(param, _entries[i]); fprintf(stderr, "DONE"); } diff --git a/engines/sci/engine/segment.h b/engines/sci/engine/segment.h index 450140b443..9e6e27dd85 100644 --- a/engines/sci/engine/segment.h +++ b/engines/sci/engine/segment.h @@ -59,6 +59,7 @@ public: static SegmentObj *createSegmentObj(SegmentType type); public: + SegmentObj(SegmentType type) : _type(type) {} virtual ~SegmentObj() {} inline SegmentType getType() const { return _type; } @@ -113,6 +114,8 @@ public: // TODO: Implement the following class struct StringFrag : public SegmentObj { + StringFrag() : SegmentObj(SEG_TYPE_STRING_FRAG) {} + virtual bool isValidOffset(uint16 offset) const { return false; } virtual void saveLoadWithSerializer(Common::Serializer &ser); @@ -139,7 +142,7 @@ struct SystemStrings : public SegmentObj { SystemString strings[SYS_STRINGS_MAX]; public: - SystemStrings() { + SystemStrings() : SegmentObj(SEG_TYPE_SYS_STRINGS) { memset(strings, 0, sizeof(strings)); } ~SystemStrings() { @@ -168,7 +171,7 @@ struct LocalVariables : public SegmentObj { Common::Array<reg_t> _locals; public: - LocalVariables() { + LocalVariables(): SegmentObj(SEG_TYPE_LOCALS) { script_id = 0; } @@ -450,17 +453,17 @@ private: /** Data stack */ struct DataStack : SegmentObj { - int nr; /**< Number of stack entries */ - reg_t *entries; + int _capacity; /**< Number of stack entries */ + reg_t *_entries; public: - DataStack() { - nr = 0; - entries = NULL; + DataStack() : SegmentObj(SEG_TYPE_STACK) { + _capacity = 0; + _entries = NULL; } ~DataStack() { - free(entries); - entries = NULL; + free(_entries); + _entries = NULL; } virtual bool isValidOffset(uint16 offset) const; @@ -509,7 +512,7 @@ struct Table : public SegmentObj { Common::Array<Entry> _table; public: - Table() { + Table(SegmentType type) : SegmentObj(type) { initTable(); } @@ -562,6 +565,8 @@ public: /* CloneTable */ struct CloneTable : public Table<Clone> { + CloneTable() : Table<Clone>(SEG_TYPE_CLONES) {} + virtual void freeAtAddress(SegManager *segMan, reg_t sub_addr); virtual void listAllOutgoingReferences(reg_t object, void *param, NoteCallback note); @@ -571,6 +576,8 @@ struct CloneTable : public Table<Clone> { /* NodeTable */ struct NodeTable : public Table<Node> { + NodeTable() : Table<Node>(SEG_TYPE_NODES) {} + virtual void freeAtAddress(SegManager *segMan, reg_t sub_addr); virtual void listAllOutgoingReferences(reg_t object, void *param, NoteCallback note); @@ -580,6 +587,8 @@ struct NodeTable : public Table<Node> { /* ListTable */ struct ListTable : public Table<List> { + ListTable() : Table<List>(SEG_TYPE_LISTS) {} + virtual void freeAtAddress(SegManager *segMan, reg_t sub_addr); virtual void listAllOutgoingReferences(reg_t object, void *param, NoteCallback note); @@ -589,6 +598,8 @@ struct ListTable : public Table<List> { /* HunkTable */ struct HunkTable : public Table<Hunk> { + HunkTable() : Table<Hunk>(SEG_TYPE_HUNK) {} + virtual void freeEntry(int idx) { Table<Hunk>::freeEntry(idx); @@ -606,7 +617,7 @@ struct DynMem : public SegmentObj { byte *_buf; public: - DynMem() : _size(0), _buf(0) {} + DynMem() : SegmentObj(SEG_TYPE_DYNMEM), _size(0), _buf(0) {} ~DynMem() { free(_buf); _buf = NULL; |