mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
Bug 480187 - 'Make qsgen.py generate traceable natives'. r+sr=jst.
This commit is contained in:
Ben Turner
parent
2868deb3e6
commit
38cd49ea51
@ -186,12 +186,16 @@ struct JSTraceableNative {
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#define _JS_CTYPE_JSVAL_RETRY _JS_JSVAL_CTYPE( _JS_PTR, --, --, FAIL_COOKIE)
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#define _JS_CTYPE_JSVAL_FAIL _JS_JSVAL_CTYPE( _JS_PTR, --, --, FAIL_STATUS)
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#define _JS_CTYPE_BOOL _JS_CTYPE(JSBool, _JS_I32, "","i", INFALLIBLE)
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#define _JS_CTYPE_BOOL_RETRY _JS_CTYPE(int32, _JS_I32, --, --, FAIL_VOID)
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#define _JS_CTYPE_BOOL_FAIL _JS_CTYPE(int32, _JS_I32, --, --, FAIL_STATUS)
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#define _JS_CTYPE_BOOL_RETRY _JS_CTYPE(JSBool, _JS_I32, --, --, FAIL_VOID)
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#define _JS_CTYPE_BOOL_FAIL _JS_CTYPE(JSBool, _JS_I32, --, --, FAIL_STATUS)
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#define _JS_CTYPE_INT32 _JS_CTYPE(int32, _JS_I32, "","i", INFALLIBLE)
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#define _JS_CTYPE_INT32_RETRY _JS_CTYPE(int32, _JS_I32, --, --, FAIL_NEG)
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#define _JS_CTYPE_UINT32 _JS_CTYPE(uint32, _JS_I32, --, --, INFALLIBLE)
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#define _JS_CTYPE_INT32_FAIL _JS_CTYPE(int32, _JS_I32, --, --, FAIL_STATUS)
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#define _JS_CTYPE_UINT32 _JS_CTYPE(uint32, _JS_I32, "","i", INFALLIBLE)
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#define _JS_CTYPE_UINT32_RETRY _JS_CTYPE(uint32, _JS_I32, --, --, FAIL_NEG)
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#define _JS_CTYPE_UINT32_FAIL _JS_CTYPE(uint32, _JS_I32, --, --, FAIL_STATUS)
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#define _JS_CTYPE_DOUBLE _JS_CTYPE(jsdouble, _JS_F64, "","d", INFALLIBLE)
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#define _JS_CTYPE_DOUBLE_FAIL _JS_CTYPE(jsdouble, _JS_F64, --, --, FAIL_STATUS)
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#define _JS_CTYPE_STRING _JS_CTYPE(JSString *, _JS_PTR, "","s", INFALLIBLE)
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#define _JS_CTYPE_STRING_RETRY _JS_CTYPE(JSString *, _JS_PTR, --, --, FAIL_NULL)
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#define _JS_CTYPE_STRING_FAIL _JS_CTYPE(JSString *, _JS_PTR, --, --, FAIL_STATUS)
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@ -282,6 +286,15 @@ struct JSTraceableNative {
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(_JS_CTYPE_ARGSIZE(at4) << 2) | _JS_CTYPE_RETSIZE(rt), \
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cse, fold)
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#define JS_DEFINE_CALLINFO_6(linkage, rt, op, at0, at1, at2, at3, at4, at5, cse, fold) \
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_JS_DEFINE_CALLINFO(linkage, op, _JS_CTYPE_TYPE(rt), \
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(_JS_CTYPE_TYPE(at0), _JS_CTYPE_TYPE(at1), _JS_CTYPE_TYPE(at2), \
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_JS_CTYPE_TYPE(at3), _JS_CTYPE_TYPE(at4), _JS_CTYPE_TYPE(at5)), \
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(_JS_CTYPE_ARGSIZE(at0) << 12) | (_JS_CTYPE_ARGSIZE(at1) << 10) | \
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(_JS_CTYPE_ARGSIZE(at2) << 8) | (_JS_CTYPE_ARGSIZE(at3) << 6) | \
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(_JS_CTYPE_ARGSIZE(at4) << 4) | (_JS_CTYPE_ARGSIZE(at5) << 2) | \
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_JS_CTYPE_RETSIZE(rt), cse, fold)
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#define JS_DECLARE_CALLINFO(name) extern const nanojit::CallInfo _JS_CALLINFO(name);
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#define _JS_TN_INIT_HELPER_n(n, args) _JS_TN_INIT_HELPER_##n args
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@ -318,6 +331,14 @@ struct JSTraceableNative {
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_JS_CTYPE_ACH(at0), \
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_JS_CTYPE_FLAGS(rt)
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#define _JS_TN_INIT_HELPER_6(linkage, rt, op, at0, at1, at2, at3, at4, at5, cse, fold) \
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&_JS_CALLINFO(op), \
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_JS_CTYPE_PCH(at5) _JS_CTYPE_PCH(at4) _JS_CTYPE_PCH(at3) _JS_CTYPE_PCH(at2) \
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_JS_CTYPE_PCH(at1) _JS_CTYPE_PCH(at0), \
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_JS_CTYPE_ACH(at5) _JS_CTYPE_ACH(at4) _JS_CTYPE_ACH(at3) _JS_CTYPE_ACH(at2) \
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_JS_CTYPE_ACH(at1) _JS_CTYPE_ACH(at0), \
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_JS_CTYPE_FLAGS(rt)
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#define JS_DEFINE_TRCINFO_1(name, tn0) \
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_JS_DEFINE_CALLINFO_n tn0 \
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JSTraceableNative name##_trcinfo[] = { \
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@ -131,6 +131,8 @@ include $(topsrcdir)/config/config.mk
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LOCAL_INCLUDES = \
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-I$(srcdir)/../loader \
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-I$(topsrcdir)/js/src \
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-I$(topsrcdir)/js/src/nanojit \
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$(NULL)
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EXTRA_DSO_LDOPTS += \
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@ -146,7 +148,29 @@ endif
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include $(topsrcdir)/config/rules.mk
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DEFINES += -DJSFILE -DJS_THREADSAFE -DEXPORT_XPC_API
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DEFINES += \
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-DJSFILE \
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-DJS_THREADSAFE \
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-DEXPORT_XPC_API \
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$(NULL)
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CONFIG := $(shell cat $(DEPTH)/js/src/mozilla-config.h)
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ENABLE_JIT = $(filter JS_TRACER, $(CONFIG))
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ifneq (,$(ENABLE_JIT))
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# Ugly! We need the AVMPLUS defines out of js/src/mozilla-config.h to make the
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# nanojit headers happy. Gotta figure out a better way to get them, bug 483677.
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DEFINES += \
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-DJS_TRACER=1 \
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-DFEATURE_NANOJIT=1 \
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$(addprefix -D,$(filter AVMPLUS%,$(CONFIG))) \
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$(NULL)
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ENABLE_TRACEABLE_FLAGS = --enable-traceables
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endif # ENABLE_JIT
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ifdef MOZ_XPCTOOLS
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DEFINES += -DXPC_TOOLS_SUPPORT
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@ -182,7 +206,8 @@ xpcjsruntime.$(OBJ_SUFFIX): dom_quickstubs.h
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dom_quickstubs.h dom_quickstubs.cpp: $(srcdir)/dom_quickstubs.qsconf \
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$(srcdir)/qsgen.py \
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$(topsrcdir)/xpcom/idl-parser/header.py \
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$(topsrcdir)/xpcom/idl-parser/xpidl.py
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$(topsrcdir)/xpcom/idl-parser/xpidl.py \
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$(DEPTH)/js/src/mozilla-config.h
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PYTHONPATH=$(topsrcdir)/xpcom/idl-parser \
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$(PYTHON) $(srcdir)/qsgen.py \
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--idlpath=$(DEPTH)/dist/idl \
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@ -190,6 +215,7 @@ dom_quickstubs.h dom_quickstubs.cpp: $(srcdir)/dom_quickstubs.qsconf \
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--header-output dom_quickstubs.h \
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--stub-output dom_quickstubs.cpp \
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--makedepend-output $(MDDEPDIR)/dom_qsgen.pp \
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$(ENABLE_TRACEABLE_FLAGS) \
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$(srcdir)/dom_quickstubs.qsconf
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GARBAGE += \
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@ -71,6 +71,8 @@ members = [
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# These do not need quick stubs.
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#'nsIDOMWindow.document',
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'nsIDOMWindow.getSelection',
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'nsIDOMWindow.scrollByLines',
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'nsIDOMJSWindow.dump',
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'nsIDOMScreen.top',
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'nsIDOMScreen.height',
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'nsIDOMScreen.width',
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@ -203,8 +203,9 @@ def loadIDL(parser, includePath, filename):
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idl.resolve(includePath, parser)
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return idl
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def addStubMember(memberId, member):
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def addStubMember(memberId, member, traceable):
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# Check that the member is ok.
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mayTrace = False
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if member.kind not in ('method', 'attribute'):
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raise UserError("Member %s is %r, not a method or attribute."
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% (memberId, member.kind))
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@ -237,6 +238,10 @@ def addStubMember(memberId, member):
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raise UserError("Method %s, parameter %s: "
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"unrecognized property %r"
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% (memberId, param.name, attrname))
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if len(member.params) <= 3:
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mayTrace = True
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member.traceable = traceable and mayTrace
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# Add this member to the list.
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member.iface.stubMembers.append(member)
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@ -265,7 +270,7 @@ class Configuration:
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self.customIncludes = config.get('customIncludes', [])
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self.customMethodCalls = config.get('customMethodCalls', {})
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def readConfigFile(filename, includePath, cachedir):
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def readConfigFile(filename, includePath, cachedir, traceable):
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# Read the config file.
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conf = Configuration(filename, includePath)
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@ -303,7 +308,8 @@ def readConfigFile(filename, includePath, cachedir):
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# Stub all scriptable members of this interface.
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for member in iface.members:
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if member.kind in ('method', 'attribute') and not member.noscript:
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addStubMember(iface.name + '.' + member.name, member)
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addStubMember(iface.name + '.' + member.name, member,
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traceable)
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else:
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# Look up a member by name.
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if memberName not in iface.namemap:
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@ -315,7 +321,7 @@ def readConfigFile(filename, includePath, cachedir):
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if member in iface.stubMembers:
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raise UserError("Member %s is specified more than once."
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% memberId)
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addStubMember(memberId, member)
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addStubMember(memberId, member, traceable)
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return conf, interfaces
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@ -582,7 +588,7 @@ resultConvTemplates = {
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'[domstring]':
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" return xpc_qsStringToJsval(cx, result, ${jsvalPtr});\n"
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}
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}
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def isVariantType(t):
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return isSpecificInterfaceType(t, 'nsIVariant')
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@ -627,6 +633,23 @@ def anyParamRequiresCcx(member):
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return True
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return False
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def validateParam(member, param):
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def pfail(msg):
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raise UserError(
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member.iface.name + '.' + member.name + ": "
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"parameter " + param.name + ": " + msg)
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if param.iid_is is not None:
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pfail("iid_is parameters are not supported.")
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if param.size_is is not None:
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pfail("size_is parameters are not supported.")
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if param.retval:
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pfail("Unexpected retval parameter!")
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if param.paramtype in ('out', 'inout'):
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pfail("Out parameters are not supported.")
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if param.const or param.array or param.shared:
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pfail("I am a simple caveman.")
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def writeQuickStub(f, customMethodCalls, member, stubName, isSetter=False):
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""" Write a single quick stub (a custom SpiderMonkey getter/setter/method)
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for the specified XPCOM interface-member.
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@ -705,27 +728,13 @@ def writeQuickStub(f, customMethodCalls, member, stubName, isSetter=False):
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f.write(" return xpc_qsThrow(cx, "
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"NS_ERROR_XPC_NOT_ENOUGH_ARGS);\n")
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def pfail(msg):
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raise UserError(
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member.iface.name + '.' + member.name + ": "
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"parameter " + param.name + ": " + msg)
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# Convert in-parameters.
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rvdeclared = False
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if isMethod:
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if len(member.params) > 0:
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f.write(" jsval *argv = JS_ARGV(cx, vp);\n")
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for i, param in enumerate(member.params):
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if param.iid_is is not None:
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pfail("iid_is parameters are not supported.")
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if param.size_is is not None:
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pfail("size_is parameters are not supported.")
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if param.retval:
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pfail("Unexpected retval parameter!")
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if param.paramtype in ('out', 'inout'):
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pfail("Out parameters are not supported.")
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if param.const or param.array or param.shared:
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pfail("I am a simple caveman.")
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validateParam(member, param)
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# Emit code to convert this argument from jsval.
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rvdeclared = writeArgumentUnboxing(
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f, i, 'arg%d' % i, param.realtype,
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@ -807,6 +816,300 @@ def writeQuickStub(f, customMethodCalls, member, stubName, isSetter=False):
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# Epilog.
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f.write("}\n\n")
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traceTypeMap = {
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'void':
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["jsval ", "JSVAL", "JSVAL_VOID"],
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'boolean':
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["JSBool ", "BOOL", "JS_FALSE"],
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'short':
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["int32 ", "INT32", "0"],
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'unsigned short':
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["uint32 ", "UINT32", "0"],
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'long':
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["int32 ", "INT32", "0"],
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'unsigned long':
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["uint32 ", "UINT32", "0"],
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'float':
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["jsdouble ", "DOUBLE", "0"],
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'double':
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["jsdouble ", "DOUBLE", "0"],
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# XXX STRING_FAIL can't return a null'd string, ask jorendorff, maybe a JSVAL_FAIL
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'[astring]':
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["JSString *", "STRING", "nsnull"],
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'[domstring]':
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["JSString *", "STRING", "nsnull"],
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'[cstring]':
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["JSString *", "STRING", "nsnull"],
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'string':
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["JSString *", "STRING", "nsnull"],
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'wstring':
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["JSString *", "STRING", "nsnull"],
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'_default':
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["jsval ", "JSVAL", "JSVAL_VOID"]
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}
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def getTraceType(type):
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traceType = traceTypeMap.get(type) or traceTypeMap.get("_default")
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assert traceType
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return traceType[0]
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def getTraceInfoType(type):
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traceType = traceTypeMap.get(type) or traceTypeMap.get("_default")
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assert traceType
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return traceType[1]
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def getTraceInfoDefaultReturn(type):
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traceType = traceTypeMap.get(type) or traceTypeMap.get("_default")
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assert traceType
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return traceType[2]
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def getFailureString(retval, indent):
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assert indent > 0
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ret = " " * (4 * indent)
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ret += "cx->builtinStatus |= JSBUILTIN_ERROR;\n"
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ret += " " * (4 * indent)
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ret += "return %s;\n" % retval
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ret += " " * (4 * (indent - 1))
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ret += "}\n"
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return ret
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def writeFailure(f, retval, indent):
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f.write(getFailureString(retval, indent))
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traceableArgumentConversionTemplates = {
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'short':
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" PRint16 ${name} = (PRint16) ${argVal};\n",
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'unsigned short':
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" PRUint16 ${name} = (PRUint16) ${argVal};\n",
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'long':
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" PRInt32 ${name} = (PRInt32) ${argVal};\n",
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'unsigned long':
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" PRUint32 ${name} = (PRUint32) ${argVal};\n",
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'boolean':
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" PRBool ${name} = (PRBool) ${argVal};\n",
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'float':
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" float ${name} = (float) ${argVal};\n",
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'double':
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" jsdouble ${name} = ${argVal};\n",
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'[astring]':
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" xpc_qsDependentJSString ${name}(${argVal});\n",
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'[domstring]':
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" xpc_qsDependentJSString ${name}(${argVal});\n",
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'[cstring]':
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" xpc_qsDependentJSString ${name}_utf16(${argVal});\n"
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" NS_ConvertUTF16toUTF8 ${name}(${name}_utf16);\n",
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'string':
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" xpc_qsDependentJSString ${name}_utf16(${argVal});\n"
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" NS_ConvertUTF16toUTF8 ${name}_utf8(${name}_utf16);\n"
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" const char *${name} = ${name}_utf8.get();\n",
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'wstring':
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" const PRUnichar *${name} = JS_GetStringChars({argVal});\n",
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}
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def writeTraceableArgumentConversion(f, member, i, name, type, haveCcx,
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rvdeclared):
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argVal = "arg%d" % i
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argPtr = "&" + argVal
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params = {
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'name': name,
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'argVal': argVal
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}
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typeName = getBuiltinOrNativeTypeName(type)
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if typeName is not None:
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template = traceableArgumentConversionTemplates.get(typeName)
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if template is not None:
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f.write(substitute(template, params))
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return rvdeclared
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# else fall through; the type isn't supported yet.
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elif isInterfaceType(type):
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if type.name == 'nsIVariant':
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# Totally custom.
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assert haveCcx
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template = (
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" nsCOMPtr<nsIVariant> ${name}(already_AddRefed<nsIVariant>("
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"XPCVariant::newVariant(ccx, ${argVal})));\n"
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" if (!${name}) {\n")
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f.write(substitute(template, params))
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writeFailure(f, getTraceInfoDefaultReturn(member.type), 2)
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return rvdeclared
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elif type.name == 'nsIAtom':
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# Should have special atomizing behavior. Fall through.
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pass
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else:
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if not rvdeclared:
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f.write(" nsresult rv;\n");
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f.write(" nsCOMPtr<%s> %s;\n" % (type.name, name))
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f.write(" rv = xpc_qsUnwrapArg<%s>("
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"cx, %s, getter_AddRefs(%s));\n"
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% (type.name, argVal, name))
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f.write(" if (NS_FAILED(rv)) {\n")
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if haveCcx:
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f.write(" xpc_qsThrowBadArgWithCcx(ccx, rv, %d);\n" % i)
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else:
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# XXX Fix this to return a real error!
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f.write(" xpc_qsThrowBadArgWithDetails(cx, rv, %d, "
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"\"%s\", \"%s\");\n"
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% (i, member.iface.name, member.name))
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writeFailure(f, getTraceInfoDefaultReturn(member.type), 2)
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return True
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print member
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warn("Unable to unbox argument of type %s" % type.name)
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f.write(" !; // TODO - Unbox argument %s = arg%d\n" % (name, i))
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return rvdeclared
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traceableResultConvTemplates = {
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'void':
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" return JSVAL_VOID;\n",
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'short':
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" return int32(${result});\n",
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'unsigned short':
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" return uint32(${result});\n",
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'long':
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" return int32(${result});\n",
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'unsigned long':
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" return uint32(${result});\n",
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'boolean':
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" return ${result} ? JS_TRUE : JS_FALSE;\n",
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'[domstring]':
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" jsval rval;\n"
|
||||
" if (!xpc_qsStringToJsval(cx, ${result}, &rval)) {\n"
|
||||
" JS_ReportOutOfMemory(cx);\n${errorStr}"
|
||||
" return rval;\n",
|
||||
'[astring]':
|
||||
" jsval rval;\n"
|
||||
" if (!xpc_qsStringToJsval(cx, ${result}, &rval)) {\n"
|
||||
" JS_ReportOutOfMemory(cx);\n${errorStr}"
|
||||
" return rval;\n",
|
||||
}
|
||||
|
||||
def writeTraceableResultConv(f, type, paramNum, result):
|
||||
typeName = getBuiltinOrNativeTypeName(type)
|
||||
if typeName is not None:
|
||||
template = traceableResultConvTemplates.get(typeName)
|
||||
if template is not None:
|
||||
values = { 'result': result,
|
||||
'errorStr': getFailureString(
|
||||
getTraceInfoDefaultReturn(type), 2) }
|
||||
f.write(substitute(template, values))
|
||||
return
|
||||
# else fall through; this type isn't supported yet
|
||||
elif isInterfaceType(type):
|
||||
if isVariantType(type):
|
||||
f.write(" JSBool ok = xpc_qsVariantToJsval(ccx, %s, %d, "
|
||||
"tvr.addr());\n" % (result, paramNum))
|
||||
else:
|
||||
f.write(" AutoMarkingNativeInterfacePtr resultiface(ccx, "
|
||||
"%s_Interface(ccx));\n" % type.name)
|
||||
f.write(" JSBool ok = xpc_qsXPCOMObjectToJsval(ccx, %s, "
|
||||
"xpc_qsGetWrapperCache(%s), resultiface, tvr.addr());\n"
|
||||
% (result, result))
|
||||
f.write(" if (!ok) {\n");
|
||||
writeFailure(f, getTraceInfoDefaultReturn(type), 2)
|
||||
f.write(" return *tvr.addr();\n")
|
||||
return
|
||||
|
||||
warn("Unable to convert result of type %s" % typeName)
|
||||
f.write(" !; // TODO - Convert `result` to jsval, store in rval.\n")
|
||||
f.write(" return xpc_qsThrow(cx, NS_ERROR_UNEXPECTED); // FIXME\n")
|
||||
|
||||
def writeTraceableQuickStub(f, member, stubName):
|
||||
assert member.traceable
|
||||
|
||||
traceInfo = {
|
||||
'type': getTraceInfoType(member.type) + "_FAIL",
|
||||
'params': ["CONTEXT", "THIS"]
|
||||
}
|
||||
|
||||
haveCcx = isInterfaceType(member.realtype) or anyParamRequiresCcx(member)
|
||||
|
||||
# Write the function
|
||||
f.write("static %sFASTCALL\n" % getTraceType(member.type))
|
||||
f.write("%s(JSContext *cx, JSObject *obj" % (stubName + "_tn"))
|
||||
if haveCcx:
|
||||
f.write(", JSObject *callee")
|
||||
traceInfo["params"].append("CALLEE")
|
||||
for i, param in enumerate(member.params):
|
||||
type = getBuiltinOrNativeTypeName(param.realtype)
|
||||
f.write(", %sarg%d" % (getTraceType(type), i))
|
||||
traceInfo["params"].append(getTraceInfoType(type))
|
||||
f.write(")\n{\n");
|
||||
f.write(" XPC_QS_ASSERT_CONTEXT_OK(cx);\n")
|
||||
|
||||
# Create ccx if needed.
|
||||
if haveCcx:
|
||||
f.write(" XPCCallContext ccx(JS_CALLER, cx, obj, callee);\n")
|
||||
|
||||
# Get the 'self' pointer.
|
||||
selfName = "self"
|
||||
f.write(" %s *%s;\n" % (member.iface.name, selfName))
|
||||
f.write(" xpc_qsSelfRef selfref;\n")
|
||||
f.write(" xpc_qsTempRoot tvr(cx);\n")
|
||||
if haveCcx:
|
||||
f.write(" if (!xpc_qsUnwrapThisFromCcx(ccx, &self, &selfref.ptr, "
|
||||
"tvr.addr())) {\n")
|
||||
else:
|
||||
f.write(" if (!xpc_qsUnwrapThis(cx, obj, &self, &selfref.ptr, "
|
||||
"tvr.addr())) {\n")
|
||||
writeFailure(f, getTraceInfoDefaultReturn(member.type), 2)
|
||||
|
||||
argNames = []
|
||||
|
||||
# Convert in-parameters.
|
||||
rvdeclared = False
|
||||
for i, param in enumerate(member.params):
|
||||
validateParam(member, param)
|
||||
type = unaliasType(param.realtype)
|
||||
argName = "_arg%d" % i
|
||||
rvdeclared = writeTraceableArgumentConversion(f, member, i, argName,
|
||||
param.realtype,
|
||||
haveCcx, rvdeclared)
|
||||
argNames.append(argName)
|
||||
|
||||
# Prepare out-parameter.
|
||||
resultName = "_retval"
|
||||
writeResultDecl(f, member.realtype, resultName)
|
||||
|
||||
# Call the method.
|
||||
comName = header.methodNativeName(member)
|
||||
if not isVoidType(member.realtype):
|
||||
argNames.append(outParamForm(resultName, member.realtype))
|
||||
args = ', '.join(argNames)
|
||||
|
||||
if not rvdeclared:
|
||||
f.write(" nsresult ")
|
||||
rvdeclared = True
|
||||
else:
|
||||
f.write(" ")
|
||||
f.write("rv = %s->%s(%s);\n" % (selfName, comName, args))
|
||||
|
||||
# Check for errors.
|
||||
f.write(" if (NS_FAILED(rv)) {\n")
|
||||
if haveCcx:
|
||||
f.write(" xpc_qsThrowMethodFailedWithCcx(ccx, rv);\n")
|
||||
else:
|
||||
# XXX Replace with a real error message!
|
||||
f.write(" xpc_qsThrowMethodFailedWithDetails(cx, rv, \"%s\", "
|
||||
"\"%s\");\n" % (member.iface.name, member.name))
|
||||
writeFailure(f, getTraceInfoDefaultReturn(member.type), 2)
|
||||
|
||||
# Convert the return value.
|
||||
writeTraceableResultConv(f, member.realtype, len(member.params) + 1,
|
||||
resultName)
|
||||
|
||||
# Epilog.
|
||||
f.write("}\n\n")
|
||||
|
||||
# Write the JS_DEFINE_TRCINFO block
|
||||
f.write("JS_DEFINE_TRCINFO_1(%s,\n" % stubName)
|
||||
f.write(" (%d, (static, %s, %s, %s, 0, 0)))\n\n"
|
||||
% (len(traceInfo["params"]), traceInfo["type"], stubName + "_tn",
|
||||
", ".join(traceInfo["params"])))
|
||||
|
||||
def writeAttrStubs(f, customMethodCalls, attr):
|
||||
getterName = (attr.iface.name + '_'
|
||||
+ header.attributeNativeName(attr, True))
|
||||
@ -829,17 +1132,31 @@ def writeMethodStub(f, customMethodCalls, method):
|
||||
fs = '{"%s", %s, %d}' % (method.name, stubName, len(method.params))
|
||||
return fs
|
||||
|
||||
def writeTraceableStub(f, method):
|
||||
""" Write a method stub to `f`. Return an xpc_qsTraceableSpec initializer. """
|
||||
stubName = method.iface.name + '_' + header.methodNativeName(method)
|
||||
writeTraceableQuickStub(f, method, stubName)
|
||||
fs = '{"%s", %s, %d}' % (method.name,
|
||||
"JS_DATA_TO_FUNC_PTR(JSNative, %s_trcinfo)" % stubName,
|
||||
len(method.params))
|
||||
return fs
|
||||
|
||||
def writeStubsForInterface(f, customMethodCalls, iface):
|
||||
f.write("// === interface %s\n\n" % iface.name)
|
||||
propspecs = []
|
||||
funcspecs = []
|
||||
tracespecs = []
|
||||
for member in iface.stubMembers:
|
||||
if member.kind == 'attribute':
|
||||
ps = writeAttrStubs(f, customMethodCalls, member)
|
||||
propspecs.append(ps)
|
||||
elif member.kind == 'method':
|
||||
fs = writeMethodStub(f, customMethodCalls, member)
|
||||
funcspecs.append(fs)
|
||||
if member.traceable:
|
||||
ts = writeTraceableStub(f, member)
|
||||
tracespecs.append(ts)
|
||||
else:
|
||||
funcspecs.append(fs)
|
||||
else:
|
||||
raise TypeError('expected attribute or method, not %r'
|
||||
% member.__class__.__name__)
|
||||
@ -855,6 +1172,11 @@ def writeStubsForInterface(f, customMethodCalls, iface):
|
||||
for fs in funcspecs:
|
||||
f.write(" %s,\n" % fs)
|
||||
f.write(" {nsnull}};\n")
|
||||
if tracespecs:
|
||||
f.write("static const xpc_qsTraceableSpec %s_traceables[] = {\n" % iface.name)
|
||||
for ts in tracespecs:
|
||||
f.write(" %s,\n" % ts)
|
||||
f.write(" {nsnull}};\n")
|
||||
f.write('\n\n')
|
||||
|
||||
def hashIID(iid):
|
||||
@ -916,7 +1238,7 @@ def writeDefiner(f, conf, interfaces):
|
||||
arraySize += 1
|
||||
|
||||
entries = [" {{0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0}}, "
|
||||
"nsnull, nsnull, XPC_QS_NULL_INDEX, XPC_QS_NULL_INDEX}"
|
||||
"nsnull, nsnull, nsnull, XPC_QS_NULL_INDEX, XPC_QS_NULL_INDEX}"
|
||||
for i in range(arraySize)]
|
||||
for i, bucket in enumerate(buckets):
|
||||
for j, iface in enumerate(bucket):
|
||||
@ -934,16 +1256,24 @@ def writeDefiner(f, conf, interfaces):
|
||||
properties = "nsnull"
|
||||
for member in iface.stubMembers:
|
||||
if member.kind == 'attribute':
|
||||
assert not member.traceable
|
||||
properties = iface.name + "_properties"
|
||||
break
|
||||
functions = "nsnull"
|
||||
|
||||
# member field
|
||||
functions = "nsnull"
|
||||
for member in iface.stubMembers:
|
||||
if member.kind == 'method':
|
||||
if member.kind == 'method' and not member.traceable:
|
||||
functions = iface.name + "_functions"
|
||||
break
|
||||
|
||||
# traceables field
|
||||
traceables = "nsnull"
|
||||
for member in iface.stubMembers:
|
||||
if member.traceable:
|
||||
traceables = iface.name + "_traceables"
|
||||
break
|
||||
|
||||
# parentInterface field
|
||||
baseName = iface.base
|
||||
while baseName is not None:
|
||||
@ -964,8 +1294,8 @@ def writeDefiner(f, conf, interfaces):
|
||||
chain = str(k)
|
||||
|
||||
# add entry
|
||||
entry = " {%s, %s, %s, %s, %s}" % (
|
||||
iid, properties, functions, parentInterface, chain)
|
||||
entry = " {%s, %s, %s, %s, %s, %s}" % (
|
||||
iid, properties, functions, traceables, parentInterface, chain)
|
||||
entries[entryIndexes[iface.attributes.uuid]] = entry
|
||||
|
||||
f.write("static const xpc_qsHashEntry tableData[] = {\n")
|
||||
@ -994,7 +1324,7 @@ stubTopTemplate = '''\
|
||||
#include "nsDependentString.h"
|
||||
#include "xpcprivate.h" // for XPCCallContext
|
||||
#include "xpcquickstubs.h"
|
||||
|
||||
#include "jsbuiltins.h"
|
||||
'''
|
||||
|
||||
def writeStubFile(filename, headerFilename, conf, interfaces):
|
||||
@ -1084,6 +1414,8 @@ def main():
|
||||
help="Directory in which to cache lex/parse tables.")
|
||||
o.add_option("--verbose-errors", action='store_true', default=False,
|
||||
help="When an error happens, display the Python traceback.")
|
||||
o.add_option("--enable-traceables", action='store_true', default=False,
|
||||
help="Whether or not traceable methods are generated.")
|
||||
(options, filenames) = o.parse_args()
|
||||
|
||||
if len(filenames) != 1:
|
||||
@ -1108,7 +1440,8 @@ def main():
|
||||
includePath = options.idlpath.split(':')
|
||||
conf, interfaces = readConfigFile(filename,
|
||||
includePath=includePath,
|
||||
cachedir=options.cachedir)
|
||||
cachedir=options.cachedir,
|
||||
traceable=options.enable_traceables)
|
||||
writeHeaderFile(options.header_output, conf.name)
|
||||
writeStubFile(options.stub_output, options.header_output,
|
||||
conf, interfaces)
|
||||
|
||||
@ -419,6 +419,19 @@ xpc_qsDefineQuickStubs(JSContext *cx, JSObject *proto, uintN flags,
|
||||
}
|
||||
}
|
||||
|
||||
const xpc_qsTraceableSpec *ts = entry->traceables;
|
||||
if(ts)
|
||||
{
|
||||
for(; ts->name; ts++)
|
||||
{
|
||||
if(!JS_DefineFunction(
|
||||
cx, proto, ts->name, ts->native, ts->arity,
|
||||
flags | JSFUN_FAST_NATIVE | JSFUN_STUB_GSOPS |
|
||||
JSFUN_TRACEABLE))
|
||||
return JS_FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
// Next.
|
||||
size_t j = entry->parentInterface;
|
||||
if(j == XPC_QS_NULL_INDEX)
|
||||
@ -580,6 +593,14 @@ xpc_qsThrowMethodFailedWithCcx(XPCCallContext &ccx, nsresult rv)
|
||||
return JS_FALSE;
|
||||
}
|
||||
|
||||
void
|
||||
xpc_qsThrowMethodFailedWithDetails(JSContext *cx, nsresult rv,
|
||||
const char *ifaceName,
|
||||
const char *memberName)
|
||||
{
|
||||
ThrowCallFailed(cx, rv, ifaceName, memberName);
|
||||
}
|
||||
|
||||
static void
|
||||
ThrowBadArg(JSContext *cx, nsresult rv,
|
||||
const char *ifaceName, const char *memberName, uintN paramnum)
|
||||
@ -614,6 +635,13 @@ xpc_qsThrowBadArgWithCcx(XPCCallContext &ccx, nsresult rv, uintN paramnum)
|
||||
XPCThrower::ThrowBadParam(rv, paramnum, ccx);
|
||||
}
|
||||
|
||||
void
|
||||
xpc_qsThrowBadArgWithDetails(JSContext *cx, nsresult rv, uintN paramnum,
|
||||
const char *ifaceName, const char *memberName)
|
||||
{
|
||||
ThrowBadArg(cx, rv, ifaceName, memberName, paramnum);
|
||||
}
|
||||
|
||||
void
|
||||
xpc_qsThrowBadSetterValue(JSContext *cx, nsresult rv,
|
||||
JSObject *obj, jsval propId)
|
||||
|
||||
@ -58,11 +58,18 @@ struct xpc_qsFunctionSpec {
|
||||
uintN arity;
|
||||
};
|
||||
|
||||
struct xpc_qsTraceableSpec {
|
||||
const char *name;
|
||||
JSNative native;
|
||||
uintN arity;
|
||||
};
|
||||
|
||||
/** A table mapping interfaces to quick stubs. */
|
||||
struct xpc_qsHashEntry {
|
||||
nsID iid;
|
||||
const xpc_qsPropertySpec *properties;
|
||||
const xpc_qsFunctionSpec *functions;
|
||||
const xpc_qsTraceableSpec *traceables;
|
||||
// These last two fields index to other entries in the same table.
|
||||
// XPC_QS_NULL_ENTRY indicates there are no more entries in the chain.
|
||||
size_t parentInterface;
|
||||
@ -106,6 +113,11 @@ xpc_qsThrowMethodFailed(JSContext *cx, nsresult rv, jsval *vp);
|
||||
JSBool
|
||||
xpc_qsThrowMethodFailedWithCcx(XPCCallContext &ccx, nsresult rv);
|
||||
|
||||
void
|
||||
xpc_qsThrowMethodFailedWithDetails(JSContext *cx, nsresult rv,
|
||||
const char *ifaceName,
|
||||
const char *memberName);
|
||||
|
||||
/**
|
||||
* Fail after converting a method argument fails.
|
||||
*
|
||||
@ -117,6 +129,10 @@ xpc_qsThrowBadArg(JSContext *cx, nsresult rv, jsval *vp, uintN paramnum);
|
||||
void
|
||||
xpc_qsThrowBadArgWithCcx(XPCCallContext &ccx, nsresult rv, uintN paramnum);
|
||||
|
||||
void
|
||||
xpc_qsThrowBadArgWithDetails(JSContext *cx, nsresult rv, uintN paramnum,
|
||||
const char *ifaceName, const char *memberName);
|
||||
|
||||
/**
|
||||
* Fail after converting a setter argument fails.
|
||||
*
|
||||
@ -461,4 +477,12 @@ _iface##_Interface(XPCCallContext& ccx) \
|
||||
return (_iface_cache); \
|
||||
}
|
||||
|
||||
class xpc_qsDependentJSString : public nsDependentString
|
||||
{
|
||||
public:
|
||||
explicit xpc_qsDependentJSString(JSString *str)
|
||||
: nsDependentString((PRUnichar *)::JS_GetStringChars(str),
|
||||
::JS_GetStringLength(str)) { }
|
||||
};
|
||||
|
||||
#endif /* xpcquickstubs_h___ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user