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author | Filippos Karapetis | 2009-10-10 15:58:51 +0000 |
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committer | Filippos Karapetis | 2009-10-10 15:58:51 +0000 |
commit | d6f5d93dbf554bf7e133b0de7e675b6453736356 (patch) | |
tree | 13c1f08b23745536e400344e00a55a0d4bcb2bb4 /engines/sci/engine/selector.cpp | |
parent | 8fd29ecf9f5b7f66824b7df45e3f04dfc2b5cfeb (diff) | |
download | scummvm-rg350-d6f5d93dbf554bf7e133b0de7e675b6453736356.tar.gz scummvm-rg350-d6f5d93dbf554bf7e133b0de7e675b6453736356.tar.bz2 scummvm-rg350-d6f5d93dbf554bf7e133b0de7e675b6453736356.zip |
Started rewriting the Object struct into a class
svn-id: r44878
Diffstat (limited to 'engines/sci/engine/selector.cpp')
-rw-r--r-- | engines/sci/engine/selector.cpp | 72 |
1 files changed, 19 insertions, 53 deletions
diff --git a/engines/sci/engine/selector.cpp b/engines/sci/engine/selector.cpp index 1d44691af5..aa9545d724 100644 --- a/engines/sci/engine/selector.cpp +++ b/engines/sci/engine/selector.cpp @@ -104,7 +104,7 @@ static int _obj_locate_varselector(SegManager *segMan, Object *obj, Selector slc uint varnum; if (getSciVersion() < SCI_VERSION_1_1) { - varnum = obj->variable_names_nr; + varnum = obj->getVarCount(); int selector_name_offset = varnum * 2 + SCRIPT_SELECTOR_OFFSET; buf = obj->base_obj + selector_name_offset; } else { @@ -112,7 +112,7 @@ static int _obj_locate_varselector(SegManager *segMan, Object *obj, Selector slc obj = segMan->getObject(obj->getSuperClassSelector()); buf = (byte *)obj->base_vars; - varnum = obj->_variables[1].toUint16(); + varnum = obj->getVariable(1).toUint16(); } for (uint i = 0; i < varnum; i++) @@ -122,46 +122,8 @@ static int _obj_locate_varselector(SegManager *segMan, Object *obj, Selector slc return -1; // Failed } -static int _class_locate_funcselector(Object *obj, Selector slc) { - // Determines if obj is a class and explicitly defines slc as a funcselector - // Does NOT say anything about obj's superclasses, i.e. failure may be - // returned even if one of the superclasses defines the funcselector. - int funcnum = obj->methods_nr; - int i; - - for (i = 0; i < funcnum; i++) - if (obj->getFuncSelector(i) == slc) // Found it? - return i; // report success - - return -1; // Failed -} - -static SelectorType _lookup_selector_function(SegManager *segMan, int seg_id, Object *obj, Selector selector_id, reg_t *fptr) { - int index; - - // "recursive" lookup - - while (obj) { - index = _class_locate_funcselector(obj, selector_id); - - if (index >= 0) { - if (fptr) { - *fptr = obj->getFunction(index); - } - - return kSelectorMethod; - } else { - seg_id = obj->getSuperClassSelector().segment; - obj = segMan->getObject(obj->getSuperClassSelector()); - } - } - - return kSelectorNone; -} - SelectorType lookup_selector(SegManager *segMan, reg_t obj_location, Selector selector_id, ObjVarRef *varp, reg_t *fptr) { Object *obj = segMan->getObject(obj_location); - Object *species; int index; bool oldScriptHeader = (getSciVersion() == SCI_VERSION_0_EARLY); @@ -175,18 +137,6 @@ SelectorType lookup_selector(SegManager *segMan, reg_t obj_location, Selector se PRINT_REG(obj_location)); } - if (obj->isClass()) - species = obj; - else - species = segMan->getObject(obj->getSpeciesSelector()); - - - if (!obj) { - error("lookup_selector(): Error while looking up Species class.\nOriginal address was %04x:%04x. Species address was %04x:%04x", - PRINT_REG(obj_location), PRINT_REG(obj->getSpeciesSelector())); - return kSelectorNone; - } - index = _obj_locate_varselector(segMan, obj, selector_id); if (index >= 0) { @@ -196,9 +146,25 @@ SelectorType lookup_selector(SegManager *segMan, reg_t obj_location, Selector se varp->varindex = index; } return kSelectorVariable; + } else { + // Check if it's a method, with recursive lookup in superclasses + while (obj) { + index = obj->funcSelectorPosition(selector_id); + if (index >= 0) { + if (fptr) + *fptr = obj->getFunction(index); + + return kSelectorMethod; + } else { + obj = segMan->getObject(obj->getSuperClassSelector()); + } + } + + return kSelectorNone; } - return _lookup_selector_function(segMan, obj_location.segment, obj, selector_id, fptr); + +// return _lookup_selector_function(segMan, obj, selector_id, fptr); } } // End of namespace Sci |