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Bug 1892481 - More consistently enforce noscript and builtinclass in xpidl, r=xpcom-reviewers,necko-reviewers,valentin,media-playback-reviewers,mccr8,padenot
These properties were previously being checked much later, during xptcodegen, and causing methods to be treated as noscript implicitly. This change enforces the noscript requirements earlier when possible in xpidl.py, to produce better errors, and adds addiitonal checks to ensure that types which need to be builtinclass are marked as such. This required some changes to interfaces in order to satisfy the new checks. Differential Revision: https://phabricator.services.mozilla.com/D207804
This commit is contained in:
Nika Layzell
parent
505ed486af
commit
b3f3e9a04a
@ -498,7 +498,7 @@ interface nsIPrincipal : nsISupports
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*
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* May be called from any thread.
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*/
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nsIReferrerInfo createReferrerInfo(in ReferrerPolicy aReferrerPolicy);
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[noscript] nsIReferrerInfo createReferrerInfo(in ReferrerPolicy aReferrerPolicy);
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/**
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* The base part of |origin| without the concatenation with |originSuffix|.
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@ -211,8 +211,9 @@ interface nsIDocumentViewer : nsISupports
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/**
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* Sets the print settings for print / print-previewing a subdocument.
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*/
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[can_run_script] void setPrintSettingsForSubdocument(in nsIPrintSettings aPrintSettings,
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in RemotePrintJobChildPtr aRemotePrintJob);
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[can_run_script, noscript]
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void setPrintSettingsForSubdocument(in nsIPrintSettings aPrintSettings,
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in RemotePrintJobChildPtr aRemotePrintJob);
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/**
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* Get the history entry that this viewer will save itself into when
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@ -57,7 +57,7 @@ native GetGMPVideoEncoderCallback(mozilla::UniquePtr<GetGMPVideoEncoderCallback>
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native GetNodeIdCallback(mozilla::UniquePtr<GetNodeIdCallback>&&);
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native GMPCrashHelperPtr(mozilla::GMPCrashHelper*);
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[scriptable, uuid(44d362ae-937a-4803-bee6-f2512a0149d1)]
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[scriptable, builtinclass, uuid(44d362ae-937a-4803-bee6-f2512a0149d1)]
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interface mozIGeckoMediaPluginService : nsISupports
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{
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@ -11,12 +11,6 @@
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#include "domstubs.idl"
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%{C++
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#include "nsTArrayForwardDeclare.h"
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%}
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[ref] native nsUint8TArrayRef(nsTArray<uint8_t>);
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[ptr] native JSContextPtr(JSContext);
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/*
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* This interface is implemented in TCPSocket.cpp as an internal interface
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@ -36,7 +30,7 @@ interface nsITCPSocketCallback : nsISupports {
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void fireDataStringEvent(in AString type, in ACString data);
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// Dispatch a "data" event at this object with an Array
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void fireDataArrayEvent(in AString type, [const] in nsUint8TArrayRef data);
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void fireDataArrayEvent(in AString type, in Array<uint8_t> data);
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// Dispatch an event of the given type at this object.
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void fireEvent(in AString type);
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@ -37,8 +37,8 @@ interface nsIXPCTestTypeScript : nsISupports {
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void exposedMethod(in long arg);
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// Members referencing TSNoncompat typedefs are not exposed.
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attribute Noncompat noncompatProp;
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void noncompatMethod(in Noncompat arg);
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[noscript] attribute Noncompat noncompatProp;
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[noscript] void noncompatMethod(in Noncompat arg);
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// [noscript] attributes and methods are not exposed.
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[noscript] attribute long noscriptProp;
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@ -85,7 +85,7 @@ interface nsIZipReader : nsISupports
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* ZipReader is closed or destroyed, and must free the memory as
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* appropriate afterwards.
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*/
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void openMemory(in voidPtr aData, in unsigned long aLength);
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[noscript] void openMemory(in voidPtr aData, in unsigned long aLength);
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/**
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* The file that represents the zip with which this zip reader was
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@ -238,7 +238,7 @@ interface nsIZipReaderCache : nsISupports
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* Returns the cached NSPR file descriptor of the file.
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* Note: currently not supported on Windows platform.
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*/
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PRFileDescStar getFd(in nsIFile zipFile);
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[noscript] PRFileDescStar getFd(in nsIFile zipFile);
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};
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////////////////////////////////////////////////////////////////////////////////
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@ -22,7 +22,7 @@ class ClassOfService;
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%}
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native ClassOfService(mozilla::net::ClassOfService);
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[scriptable, uuid(1ccb58ec-5e07-4cf9-a30d-ac5490d23b41)]
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[scriptable, builtinclass, uuid(1ccb58ec-5e07-4cf9-a30d-ac5490d23b41)]
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interface nsIClassOfService : nsISupports
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{
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attribute unsigned long classFlags;
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@ -30,7 +30,7 @@ interface nsIClassOfService : nsISupports
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void clearClassFlags(in unsigned long flags);
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void addClassFlags(in unsigned long flags);
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void setClassOfService(in ClassOfService s);
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[noscript] void setClassOfService(in ClassOfService s);
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// All these flags have a (de)prioritization effect.
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@ -21,7 +21,7 @@ native NetAddr(mozilla::net::NetAddr);
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* This interface represents a native NetAddr struct in a readonly
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* interface.
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*/
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[scriptable, uuid(652B9EC5-D159-45D7-9127-50BB559486CD)]
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[scriptable, builtinclass, uuid(652B9EC5-D159-45D7-9127-50BB559486CD)]
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interface nsINetAddr : nsISupports
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{
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/**
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@ -48,7 +48,7 @@ interface nsIInterceptedBodyCallback : nsISupports
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* which do not implement nsIChannel.
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*/
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[scriptable, uuid(f4b82975-6a86-4cc4-87fe-9a1fd430c86d)]
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[scriptable, builtinclass, uuid(f4b82975-6a86-4cc4-87fe-9a1fd430c86d)]
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interface nsIInterceptedChannel : nsISupports
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{
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/**
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@ -19,7 +19,7 @@ typedef unsigned long nsServerSocketFlag;
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*
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* An interface to a server socket that can accept incoming connections.
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*/
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[scriptable, uuid(7a9c39cb-a13f-4eef-9bdf-a74301628742)]
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[scriptable, builtinclass, uuid(7a9c39cb-a13f-4eef-9bdf-a74301628742)]
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interface nsIServerSocket : nsISupports
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{
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/**
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@ -8,7 +8,7 @@ interface nsIX509Cert;
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interface nsITLSServerSecurityObserver;
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interface nsISocketTransport;
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[scriptable, uuid(cc2c30f9-cfaa-4b8a-bd44-c24881981b74)]
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[scriptable, builtinclass, uuid(cc2c30f9-cfaa-4b8a-bd44-c24881981b74)]
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interface nsITLSServerSocket : nsIServerSocket
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{
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/**
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@ -25,7 +25,7 @@ interface nsIServerTiming : nsISupports {
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[ref] native nsServerTimingArrayRef(nsTArray<nsCOMPtr<nsIServerTiming>>);
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// All properties return zero if the value is not available
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[scriptable, uuid(ca63784d-959c-4c3a-9a59-234a2a520de0)]
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[scriptable, builtinclass, uuid(ca63784d-959c-4c3a-9a59-234a2a520de0)]
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interface nsITimedChannel : nsISupports {
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// Set this attribute to true to enable collection of timing data.
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// channelCreationTime will be available even with this attribute set to
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@ -124,5 +124,5 @@ interface nsITimedChannel : nsISupports {
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[noscript] attribute boolean reportResourceTiming;
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readonly attribute nsIArray serverTiming;
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nsServerTimingArrayRef getNativeServerTiming();
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[noscript] nsServerTimingArrayRef getNativeServerTiming();
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};
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@ -31,7 +31,7 @@ native NetAddr(mozilla::net::NetAddr);
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*
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* An interface to a UDP socket that can accept incoming connections.
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*/
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[scriptable, uuid(d423bf4e-4499-40cf-bc03-153e2bf206d1)]
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[scriptable, builtinclass, uuid(d423bf4e-4499-40cf-bc03-153e2bf206d1)]
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interface nsIUDPSocket : nsISupports
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{
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/**
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@ -126,7 +126,7 @@ interface nsIUDPSocket : nsISupports
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* @param aRemoteAddr
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* The remote address to connect to
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*/
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void connect([const] in NetAddrPtr aAddr);
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[noscript] void connect([const] in NetAddrPtr aAddr);
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/**
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* Returns the local address of this UDP socket
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@ -217,8 +217,8 @@ interface nsIUDPSocket : nsISupports
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* @param addr The remote host address.
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* @param stream The input stream to be sent. This must be a buffered stream implementation.
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*/
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void sendBinaryStreamWithAddress([const] in NetAddrPtr addr,
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in nsIInputStream stream);
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[noscript] void sendBinaryStreamWithAddress([const] in NetAddrPtr addr,
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in nsIInputStream stream);
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/**
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* joinMulticast
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@ -32,7 +32,7 @@ native TypeResult(mozilla::net::TypeRecordResultType);
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native MaybePort(mozilla::Maybe<uint16_t>);
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native MaybeAlpnTuple(mozilla::Maybe<std::tuple<nsCString, mozilla::net::SupportedAlpnRank>>);
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[scriptable, uuid(5d13241b-9d46-448a-90d8-77c418491026)]
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[scriptable, builtinclass, uuid(5d13241b-9d46-448a-90d8-77c418491026)]
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interface nsIDNSByTypeRecord : nsIDNSRecord
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{
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/**
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@ -43,10 +43,10 @@ interface nsIDNSByTypeRecord : nsIDNSRecord
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[noscript] readonly attribute TypeResult results;
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};
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[scriptable, uuid(2a71750d-cb21-45f1-9e1c-666d18dd7645)]
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[scriptable, builtinclass, uuid(2a71750d-cb21-45f1-9e1c-666d18dd7645)]
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interface nsIDNSTXTRecord : nsISupports
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{
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CStringArrayRef getRecords();
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[noscript] CStringArrayRef getRecords();
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/*
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* Return concatenated strings.
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@ -26,12 +26,12 @@ interface nsINetAddr;
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* like an enumerator, allowing the caller to easily step through the
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* list of IP addresses.
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*/
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[scriptable, uuid(f92228ae-c417-4188-a604-0830a95e7eb9)]
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[scriptable, builtinclass, uuid(f92228ae-c417-4188-a604-0830a95e7eb9)]
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interface nsIDNSRecord : nsISupports
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{
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};
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[scriptable, uuid(cb260e20-943f-4309-953b-78c90d3a7638)]
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[scriptable, builtinclass, uuid(cb260e20-943f-4309-953b-78c90d3a7638)]
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interface nsIDNSAddrRecord : nsIDNSRecord
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{
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/**
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@ -56,7 +56,7 @@ interface nsIHttpUpgradeListener : nsISupports
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[must_use] void onUpgradeFailed(in nsresult aErrorCode);
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void onWebSocketConnectionAvailable(in WebSocketConnectionBase aConnection);
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[noscript] void onWebSocketConnectionAvailable(in WebSocketConnectionBase aConnection);
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};
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/**
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@ -146,7 +146,7 @@ interface nsIWebSocketChannel : nsISupports
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in nsIWebSocketListener aListener,
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in nsISupports aContext);
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[must_use]
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[must_use, noscript]
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void asyncOpenNative(in nsIURI aURI,
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in ACString aOrigin,
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in OriginAttributes aOriginAttributes,
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@ -44,6 +44,7 @@ interface nsIWebTransport : nsISupports {
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in unsigned long aSecurityFlags,
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in WebTransportSessionEventListener aListener);
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[noscript]
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void asyncConnectWithClient(in nsIURI aURI,
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in boolean aDedicated,
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in Array<nsIWebTransportHash> aServerCertHashes,
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@ -12,7 +12,7 @@
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* This is the callback interface for nsINamedPipeService.
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* The functions are called by the internal thread in the nsINamedPipeService.
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*/
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[scriptable, uuid(de4f460b-94fd-442c-9002-1637beb2185a)]
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[uuid(de4f460b-94fd-442c-9002-1637beb2185a)]
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interface nsINamedPipeDataObserver : nsISupports
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{
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/**
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@ -41,7 +41,7 @@ interface nsINamedPipeDataObserver : nsISupports
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/**
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* nsINamedPipeService
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*/
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[scriptable, uuid(1bf19133-5625-4ac8-836a-80b1c215f72b)]
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[uuid(1bf19133-5625-4ac8-836a-80b1c215f72b)]
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interface nsINamedPipeService : nsISupports
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{
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/**
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@ -15,7 +15,7 @@ interface nsIDocShellTreeItem;
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* containing an embedded Gecko web browser.
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*/
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[scriptable, uuid(E8C414C4-DC38-4BA3-AB4E-EC4CBBE22907)]
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[scriptable, builtinclass, uuid(E8C414C4-DC38-4BA3-AB4E-EC4CBBE22907)]
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interface nsIWebBrowserChrome : nsISupports
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{
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/**
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@ -124,7 +124,7 @@ interface nsIWebBrowserChrome : nsISupports
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*
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* @see nsIBaseWindow
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*/
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void setDimensions(in DimensionRequest aRequest);
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[noscript] void setDimensions(in DimensionRequest aRequest);
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/**
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* Gets the dimensions of the window. The caller may pass
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@ -134,7 +134,7 @@ interface nsIWebBrowserChrome : nsISupports
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*
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* @see nsIBaseWindow
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*/
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void getDimensions(in DimensionKind aDimensionKind, out long aX, out long aY, out long aCX, out long aCY);
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[noscript] void getDimensions(in DimensionKind aDimensionKind, out long aX, out long aY, out long aCX, out long aCY);
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/**
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* Blur the window. This should unfocus the window and send an onblur event.
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@ -33,7 +33,7 @@ native nsDocShellLoadStatePtr(nsDocShellLoadState*);
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* or the provider does not provide a window, the window watcher will proceed
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* to actually open a new window.
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*/
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[scriptable, uuid(e97a3830-15ef-499b-8372-c22d128091c1)]
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[scriptable, builtinclass, uuid(e97a3830-15ef-499b-8372-c22d128091c1)]
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interface nsIWindowProvider : nsISupports
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{
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/**
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@ -161,7 +161,7 @@ interface nsIBaseWindow : nsISupports
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*
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* @see DimensionRequest
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*/
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void setDimensions(in DimensionRequest aRequest);
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[noscript] void setDimensions(in DimensionRequest aRequest);
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/**
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* Gets the dimensions of the window. The caller may pass nullptr for any
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@ -178,7 +178,7 @@ interface nsIBaseWindow : nsISupports
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*
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* @see DimensionRequest
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*/
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void getDimensions(in DimensionKind aDimensionKind, out long aX, out long aY, out long aCX, out long aCY);
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[noscript] void getDimensions(in DimensionKind aDimensionKind, out long aX, out long aY, out long aCX, out long aCY);
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/**
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* Tell the window to repaint itself
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@ -210,7 +210,7 @@ interface nsIBaseWindow : nsISupports
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On controls that don't support setting nativeWindow parents, setting this
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will return a NS_ERROR_NOT_IMPLEMENTED error.
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*/
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attribute nativeWindow parentNativeWindow;
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[noscript] attribute nativeWindow parentNativeWindow;
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/*
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This is the handle (HWND, GdkWindow*, ...) to the native window of the
|
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@ -126,7 +126,7 @@ interface nsIDragService : nsISupports
|
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*
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* Note: This method is deprecated for non-native code.
|
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*/
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[can_run_script]
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[noscript, can_run_script]
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void invokeDragSessionWithSelection(in Selection aSelection,
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in nsIPrincipal aPrincipal,
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in nsIContentSecurityPolicy aCsp,
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@ -75,7 +75,7 @@ interface nsIScreen : nsISupports
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/**
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* ScreenColorGamut is native type, which cannot be declared [infallible].
|
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*/
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readonly attribute ScreenColorGamut colorGamut;
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[noscript] readonly attribute ScreenColorGamut colorGamut;
|
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|
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/**
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* The number of device pixels per desktop pixel for this screen (for
|
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@ -1216,19 +1216,24 @@ def ensureInfallibleIsSound(methodOrAttribute):
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if methodOrAttribute.notxpcom:
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raise IDLError(
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"[infallible] does not make sense for a [notxpcom] " "method or attribute",
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"[infallible] does not make sense for a [notxpcom] method or attribute",
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methodOrAttribute.location,
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)
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# An interface cannot be implemented by JS if it has a notxpcom or nostdcall
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# method or attribute, so it must be marked as builtinclass.
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# method or attribute, or uses a by-value native type, so it must be marked as
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# builtinclass.
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def ensureBuiltinClassIfNeeded(methodOrAttribute):
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iface = methodOrAttribute.iface
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if not iface.attributes.scriptable or iface.attributes.builtinclass:
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return
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if iface.name == "nsISupports":
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return
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# notxpcom and nostdcall types change calling conventions, which breaks
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# xptcall wrappers. We cannot allow XPCWrappedJS to be created for
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# interfaces with these methods.
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if methodOrAttribute.notxpcom:
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raise IDLError(
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(
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@ -1248,6 +1253,84 @@ def ensureBuiltinClassIfNeeded(methodOrAttribute):
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methodOrAttribute.location,
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)
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# Methods with custom native parameters passed without indirection cannot be
|
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# safely handled by xptcall (as it cannot know the calling stack/register
|
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# layout), so require the interface to be builtinclass.
|
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#
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# Only "in" parameters and writable attributes are checked, as other
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# parameters are always passed indirectly, so do not impact calling
|
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# conventions.
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def typeNeedsBuiltinclass(type):
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inner = type
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while inner.kind == "typedef":
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inner = inner.realtype
|
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return (
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inner.kind == "native"
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and inner.specialtype is None
|
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and inner.modifier is None
|
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)
|
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|
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if methodOrAttribute.kind == "method":
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for p in methodOrAttribute.params:
|
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if p.paramtype == "in" and typeNeedsBuiltinclass(p.realtype):
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raise IDLError(
|
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(
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"scriptable interface '%s' must be marked [builtinclass] "
|
||||
"because it contains method '%s' with a by-value custom native "
|
||||
"parameter '%s'"
|
||||
)
|
||||
% (iface.name, methodOrAttribute.name, p.name),
|
||||
methodOrAttribute.location,
|
||||
)
|
||||
elif methodOrAttribute.kind == "attribute" and not methodOrAttribute.readonly:
|
||||
if typeNeedsBuiltinclass(methodOrAttribute.realtype):
|
||||
raise IDLError(
|
||||
(
|
||||
"scriptable interface '%s' must be marked [builtinclass] because it "
|
||||
"contains writable attribute '%s' with a by-value custom native type"
|
||||
)
|
||||
% (iface.name, methodOrAttribute.name),
|
||||
methodOrAttribute.location,
|
||||
)
|
||||
|
||||
|
||||
def ensureNoscriptIfNeeded(methodOrAttribute):
|
||||
if not methodOrAttribute.isScriptable():
|
||||
return
|
||||
|
||||
# NOTE: We can't check forward-declared interfaces to see if they're
|
||||
# scriptable, as the information about whether they're scriptable is not
|
||||
# known here.
|
||||
def typeNeedsNoscript(type):
|
||||
if type.kind in ["array", "legacyarray"]:
|
||||
return typeNeedsNoscript(type.type)
|
||||
if type.kind == "typedef":
|
||||
return typeNeedsNoscript(type.realtype)
|
||||
if type.kind == "native":
|
||||
return type.specialtype is None
|
||||
if type.kind == "interface":
|
||||
return not type.attributes.scriptable
|
||||
return False
|
||||
|
||||
if typeNeedsNoscript(methodOrAttribute.realtype):
|
||||
raise IDLError(
|
||||
"%s '%s' must be marked [noscript] because it has a non-scriptable type"
|
||||
% (methodOrAttribute.kind, methodOrAttribute.name),
|
||||
methodOrAttribute.location,
|
||||
)
|
||||
if methodOrAttribute.kind == "method":
|
||||
for p in methodOrAttribute.params:
|
||||
# iid_is arguments have their type ignored, so shouldn't be checked.
|
||||
if not p.iid_is and typeNeedsNoscript(p.realtype):
|
||||
raise IDLError(
|
||||
(
|
||||
"method '%s' must be marked [noscript] because it has a "
|
||||
"non-scriptable parameter '%s'"
|
||||
)
|
||||
% (methodOrAttribute.name, p.name),
|
||||
methodOrAttribute.location,
|
||||
)
|
||||
|
||||
|
||||
class Attribute(object):
|
||||
kind = "attribute"
|
||||
@ -1336,6 +1419,7 @@ class Attribute(object):
|
||||
|
||||
ensureInfallibleIsSound(self)
|
||||
ensureBuiltinClassIfNeeded(self)
|
||||
ensureNoscriptIfNeeded(self)
|
||||
|
||||
def toIDL(self):
|
||||
attribs = attlistToIDL(self.attlist)
|
||||
@ -1422,9 +1506,6 @@ class Method(object):
|
||||
self.iface = iface
|
||||
self.realtype = self.iface.idl.getName(self.type, self.location)
|
||||
|
||||
ensureInfallibleIsSound(self)
|
||||
ensureBuiltinClassIfNeeded(self)
|
||||
|
||||
for p in self.params:
|
||||
p.resolve(self)
|
||||
for p in self.params:
|
||||
@ -1464,6 +1545,10 @@ class Method(object):
|
||||
self.location,
|
||||
)
|
||||
|
||||
ensureInfallibleIsSound(self)
|
||||
ensureBuiltinClassIfNeeded(self)
|
||||
ensureNoscriptIfNeeded(self)
|
||||
|
||||
def isScriptable(self):
|
||||
if not self.iface.attributes.scriptable:
|
||||
return False
|
||||
|
||||
@ -12,7 +12,7 @@ interface nsIInputStream;
|
||||
* This allows reading unicode strings from a stream, automatically converting
|
||||
* the bytes from a selected character encoding.
|
||||
*/
|
||||
[scriptable, uuid(FC66FFB6-5404-4908-A4A3-27F92FA0579D)]
|
||||
[scriptable, builtinclass, uuid(FC66FFB6-5404-4908-A4A3-27F92FA0579D)]
|
||||
interface nsIConverterInputStream : nsIUnicharInputStream {
|
||||
/**
|
||||
* Default replacement char value, U+FFFD REPLACEMENT CHARACTER.
|
||||
|
||||
@ -42,7 +42,7 @@ native nsWriteUnicharSegmentFun(nsWriteUnicharSegmentFun);
|
||||
* Abstract UTF-16 input stream
|
||||
* @see nsIInputStream
|
||||
*/
|
||||
[scriptable, uuid(d5e3bd80-6723-4b92-b0c9-22f6162fd94f)]
|
||||
[scriptable, builtinclass, uuid(d5e3bd80-6723-4b92-b0c9-22f6162fd94f)]
|
||||
interface nsIUnicharInputStream : nsISupports {
|
||||
/**
|
||||
* Reads into a caller-provided array.
|
||||
|
||||
@ -330,30 +330,11 @@ def link_to_cpp(interfaces, fd, header_fd):
|
||||
)
|
||||
)
|
||||
|
||||
def is_type_reflectable(type):
|
||||
# All native types end up getting tagged as void*, or as wrapper types around void*
|
||||
if type["tag"] == "TD_VOID":
|
||||
return False
|
||||
if type["tag"] in ("TD_ARRAY", "TD_LEGACY_ARRAY"):
|
||||
return is_type_reflectable(type["element"])
|
||||
return True
|
||||
|
||||
def is_method_reflectable(method):
|
||||
if "hidden" in method["flags"]:
|
||||
return False
|
||||
|
||||
for param in method["params"]:
|
||||
# Reflected methods can't use non-reflectable types.
|
||||
if not is_type_reflectable(param["type"]):
|
||||
return False
|
||||
|
||||
return True
|
||||
|
||||
def lower_method(method, ifacename, builtinclass):
|
||||
methodname = "%s::%s" % (ifacename, method["name"])
|
||||
|
||||
isSymbol = "symbol" in method["flags"]
|
||||
reflectable = is_method_reflectable(method)
|
||||
reflectable = "hidden" not in method["flags"]
|
||||
|
||||
if not reflectable and builtinclass:
|
||||
# Hide the parameters of methods that can't be called from JS and
|
||||
|
||||
@ -29,7 +29,7 @@ interface nsINestedEventLoopCondition : nsISupports
|
||||
/**
|
||||
* An interface for creating and locating nsIThread instances.
|
||||
*/
|
||||
[scriptable, uuid(1be89eca-e2f7-453b-8d38-c11ba247f6f3)]
|
||||
[scriptable, builtinclass, uuid(1be89eca-e2f7-453b-8d38-c11ba247f6f3)]
|
||||
interface nsIThreadManager : nsISupports
|
||||
{
|
||||
/**
|
||||
|
||||
Loading…
Reference in New Issue
Block a user