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jscript: Limit name hash computations number.

This commit is contained in:
Piotr Caban 2011-09-02 12:24:35 +02:00 committed by Alexandre Julliard
parent f1a237d682
commit 65a7f47531
1 changed files with 20 additions and 18 deletions
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38
dlls/jscript/dispex.c
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@ -42,6 +42,7 @@ typedef enum {
struct _dispex_prop_t { struct _dispex_prop_t {
WCHAR *name; WCHAR *name;
unsigned hash;
prop_type_t type; prop_type_t type;
DWORD flags; DWORD flags;
@ -139,7 +140,7 @@ static inline HRESULT resize_props(jsdisp_t *This)
for(i=1; i<This->prop_cnt; i++) { for(i=1; i<This->prop_cnt; i++) {
props = This->props+i; props = This->props+i;
bucket = get_props_idx(This, string_hash(props->name)); bucket = get_props_idx(This, props->hash);
props->bucket_next = This->props[bucket].bucket_head; props->bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = i; This->props[bucket].bucket_head = i;
} }
@ -161,8 +162,9 @@ static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_
return NULL; return NULL;
prop->type = type; prop->type = type;
prop->flags = flags; prop->flags = flags;
prop->hash = string_hash(name);
bucket = get_props_idx(This, string_hash(name)); bucket = get_props_idx(This, prop->hash);
prop->bucket_next = This->props[bucket].bucket_head; prop->bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = This->prop_cnt++; This->props[bucket].bucket_head = This->prop_cnt++;
return prop; return prop;
@ -180,13 +182,13 @@ static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref
return ret; return ret;
} }
static HRESULT find_prop_name(jsdisp_t *This, const WCHAR *name, dispex_prop_t **ret) static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
{ {
const builtin_prop_t *builtin; const builtin_prop_t *builtin;
unsigned bucket, pos, prev = 0; unsigned bucket, pos, prev = 0;
dispex_prop_t *prop; dispex_prop_t *prop;
bucket = get_props_idx(This, string_hash(name)); bucket = get_props_idx(This, hash);
pos = This->props[bucket].bucket_head; pos = This->props[bucket].bucket_head;
while(pos != 0) { while(pos != 0) {
if(!strcmpW(name, This->props[pos].name)) { if(!strcmpW(name, This->props[pos].name)) {
@ -219,12 +221,12 @@ static HRESULT find_prop_name(jsdisp_t *This, const WCHAR *name, dispex_prop_t *
return S_OK; return S_OK;
} }
static HRESULT find_prop_name_prot(jsdisp_t *This, const WCHAR *name, dispex_prop_t **ret) static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
{ {
dispex_prop_t *prop, *del=NULL; dispex_prop_t *prop, *del=NULL;
HRESULT hres; HRESULT hres;
hres = find_prop_name(This, name, &prop); hres = find_prop_name(This, hash, name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
if(prop && prop->type==PROP_DELETED) { if(prop && prop->type==PROP_DELETED) {
@ -235,7 +237,7 @@ static HRESULT find_prop_name_prot(jsdisp_t *This, const WCHAR *name, dispex_pro
} }
if(This->prototype) { if(This->prototype) {
hres = find_prop_name_prot(This->prototype, name, &prop); hres = find_prop_name_prot(This->prototype, hash, name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
if(prop) { if(prop) {
@ -265,9 +267,9 @@ static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, BOOL search_p
HRESULT hres; HRESULT hres;
if(search_prot) if(search_prot)
hres = find_prop_name_prot(This, name, &prop); hres = find_prop_name_prot(This, string_hash(name), name, &prop);
else else
hres = find_prop_name(This, name, &prop); hres = find_prop_name(This, string_hash(name), name, &prop);
if(SUCCEEDED(hres) && (!prop || prop->type==PROP_DELETED)) { if(SUCCEEDED(hres) && (!prop || prop->type==PROP_DELETED)) {
TRACE("creating prop %s\n", debugstr_w(name)); TRACE("creating prop %s\n", debugstr_w(name));
@ -482,7 +484,7 @@ static HRESULT fill_protrefs(jsdisp_t *This)
for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) { for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
if(!iter->name) if(!iter->name)
continue; continue;
hres = find_prop_name(This, iter->name, &prop); hres = find_prop_name(This, iter->hash, iter->name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
if(!prop || prop->type==PROP_DELETED) { if(!prop || prop->type==PROP_DELETED) {
@ -716,7 +718,7 @@ static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bst
if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
FIXME("Unsupported grfdex %x\n", grfdex); FIXME("Unsupported grfdex %x\n", grfdex);
hres = find_prop_name(This, bstrName, &prop); hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
if(!prop) { if(!prop) {
@ -890,7 +892,7 @@ HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const built
static const WCHAR constructorW[] = {'c','o','n','s','t','r','u','c','t','o','r',0}; static const WCHAR constructorW[] = {'c','o','n','s','t','r','u','c','t','o','r',0};
static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0}; static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
hres = find_prop_name_prot(constr, prototypeW, &prop); hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) { if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
jsexcept_t jsexcept; jsexcept_t jsexcept;
VARIANT var; VARIANT var;
@ -950,7 +952,7 @@ HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *
if(flags & fdexNameEnsure) if(flags & fdexNameEnsure)
hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop); hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
else else
hres = find_prop_name_prot(jsdisp, name, &prop); hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
@ -997,7 +999,7 @@ HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, DISPPARA
dispex_prop_t *prop; dispex_prop_t *prop;
HRESULT hres; HRESULT hres;
hres = find_prop_name_prot(disp, name, &prop); hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
@ -1123,7 +1125,7 @@ HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, VARIANT *var, jsex
dispex_prop_t *prop; dispex_prop_t *prop;
HRESULT hres; HRESULT hres;
hres = find_prop_name_prot(obj, name, &prop); hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
@ -1145,7 +1147,7 @@ HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, VARIANT *var, jsexcept_t *ei, I
sprintfW(name, formatW, idx); sprintfW(name, formatW, idx);
hres = find_prop_name_prot(obj, name, &prop); hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return hres; return hres;
@ -1206,7 +1208,7 @@ HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
sprintfW(buf, formatW, idx); sprintfW(buf, formatW, idx);
hres = find_prop_name(obj, buf, &prop); hres = find_prop_name(obj, string_hash(buf), buf, &prop);
if(FAILED(hres) || !prop) if(FAILED(hres) || !prop)
return hres; return hres;
@ -1218,7 +1220,7 @@ VARIANT_BOOL jsdisp_is_own_prop(jsdisp_t *obj, BSTR name)
dispex_prop_t *prop; dispex_prop_t *prop;
HRESULT hres; HRESULT hres;
hres = find_prop_name(obj, name, &prop); hres = find_prop_name(obj, string_hash(name), name, &prop);
if(FAILED(hres)) if(FAILED(hres))
return VARIANT_FALSE; return VARIANT_FALSE;
else if(!prop) else if(!prop)