--- /dev/null
+##########################################################################
+#
+# Copyright 2008-2010 VMware, Inc.
+# All Rights Reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+##########################################################################/
+
+"""Common trace code generation."""
+
+
+# Adjust path
+import os.path
+import sys
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
+
+
+import specs.stdapi as stdapi
+
+
+def getWrapperInterfaceName(interface):
+ return "Wrap" + interface.expr
+
+
+class ComplexValueSerializer(stdapi.OnceVisitor):
+ '''Type visitors which generates serialization functions for
+ complex types.
+
+ Simple types are serialized inline.
+ '''
+
+ def __init__(self, serializer):
+ stdapi.OnceVisitor.__init__(self)
+ self.serializer = serializer
+
+ def visitVoid(self, literal):
+ pass
+
+ def visitLiteral(self, literal):
+ pass
+
+ def visitString(self, string):
+ pass
+
+ def visitConst(self, const):
+ self.visit(const.type)
+
+ def visitStruct(self, struct):
+ for type, name in struct.members:
+ self.visit(type)
+ print 'static void _write__%s(const %s &value) {' % (struct.tag, struct.expr)
+ print ' static const char * members[%u] = {' % (len(struct.members),)
+ for type, name, in struct.members:
+ print ' "%s",' % (name,)
+ print ' };'
+ print ' static const trace::StructSig sig = {'
+ print ' %u, "%s", %u, members' % (struct.id, struct.name, len(struct.members))
+ print ' };'
+ print ' trace::localWriter.beginStruct(&sig);'
+ for type, name in struct.members:
+ self.serializer.visit(type, 'value.%s' % (name,))
+ print ' trace::localWriter.endStruct();'
+ print '}'
+ print
+
+ def visitArray(self, array):
+ self.visit(array.type)
+
+ def visitBlob(self, array):
+ pass
+
+ def visitEnum(self, enum):
+ print 'static const trace::EnumValue _enum%s_values[] = {' % (enum.tag)
+ for value in enum.values:
+ print ' {"%s", %s},' % (value, value)
+ print '};'
+ print
+ print 'static const trace::EnumSig _enum%s_sig = {' % (enum.tag)
+ print ' %u, %u, _enum%s_values' % (enum.id, len(enum.values), enum.tag)
+ print '};'
+ print
+
+ def visitBitmask(self, bitmask):
+ print 'static const trace::BitmaskFlag _bitmask%s_flags[] = {' % (bitmask.tag)
+ for value in bitmask.values:
+ print ' {"%s", %s},' % (value, value)
+ print '};'
+ print
+ print 'static const trace::BitmaskSig _bitmask%s_sig = {' % (bitmask.tag)
+ print ' %u, %u, _bitmask%s_flags' % (bitmask.id, len(bitmask.values), bitmask.tag)
+ print '};'
+ print
+
+ def visitPointer(self, pointer):
+ self.visit(pointer.type)
+
+ def visitIntPointer(self, pointer):
+ pass
+
+ def visitObjPointer(self, pointer):
+ self.visit(pointer.type)
+
+ def visitLinearPointer(self, pointer):
+ self.visit(pointer.type)
+
+ def visitHandle(self, handle):
+ self.visit(handle.type)
+
+ def visitReference(self, reference):
+ self.visit(reference.type)
+
+ def visitAlias(self, alias):
+ self.visit(alias.type)
+
+ def visitOpaque(self, opaque):
+ pass
+
+ def visitInterface(self, interface):
+ pass
+
+ def visitPolymorphic(self, polymorphic):
+ if not polymorphic.contextLess:
+ return
+ print 'static void _write__%s(int selector, const %s & value) {' % (polymorphic.tag, polymorphic.expr)
+ print ' switch (selector) {'
+ for cases, type in polymorphic.iterSwitch():
+ for case in cases:
+ print ' %s:' % case
+ self.serializer.visit(type, 'static_cast<%s>(value)' % (type,))
+ print ' break;'
+ print ' }'
+ print '}'
+ print
+
+
+class ValueSerializer(stdapi.Visitor):
+ '''Visitor which generates code to serialize any type.
+
+ Simple types are serialized inline here, whereas the serialization of
+ complex types is dispatched to the serialization functions generated by
+ ComplexValueSerializer visitor above.
+ '''
+
+ def visitLiteral(self, literal, instance):
+ print ' trace::localWriter.write%s(%s);' % (literal.kind, instance)
+
+ def visitString(self, string, instance):
+ if not string.wide:
+ cast = 'const char *'
+ suffix = 'String'
+ else:
+ cast = 'const wchar_t *'
+ suffix = 'WString'
+ if cast != string.expr:
+ # reinterpret_cast is necessary for GLubyte * <=> char *
+ instance = 'reinterpret_cast<%s>(%s)' % (cast, instance)
+ if string.length is not None:
+ length = ', %s' % string.length
+ else:
+ length = ''
+ print ' trace::localWriter.write%s(%s%s);' % (suffix, instance, length)
+
+ def visitConst(self, const, instance):
+ self.visit(const.type, instance)
+
+ def visitStruct(self, struct, instance):
+ print ' _write__%s(%s);' % (struct.tag, instance)
+
+ def visitArray(self, array, instance):
+ length = '_c' + array.type.tag
+ index = '_i' + array.type.tag
+ print ' if (%s) {' % instance
+ print ' size_t %s = %s > 0 ? %s : 0;' % (length, array.length, array.length)
+ print ' trace::localWriter.beginArray(%s);' % length
+ print ' for (size_t %s = 0; %s < %s; ++%s) {' % (index, index, length, index)
+ print ' trace::localWriter.beginElement();'
+ self.visit(array.type, '(%s)[%s]' % (instance, index))
+ print ' trace::localWriter.endElement();'
+ print ' }'
+ print ' trace::localWriter.endArray();'
+ print ' } else {'
+ print ' trace::localWriter.writeNull();'
+ print ' }'
+
+ def visitBlob(self, blob, instance):
+ print ' trace::localWriter.writeBlob(%s, %s);' % (instance, blob.size)
+
+ def visitEnum(self, enum, instance):
+ print ' trace::localWriter.writeEnum(&_enum%s_sig, %s);' % (enum.tag, instance)
+
+ def visitBitmask(self, bitmask, instance):
+ print ' trace::localWriter.writeBitmask(&_bitmask%s_sig, %s);' % (bitmask.tag, instance)
+
+ def visitPointer(self, pointer, instance):
+ print ' if (%s) {' % instance
+ print ' trace::localWriter.beginArray(1);'
+ print ' trace::localWriter.beginElement();'
+ self.visit(pointer.type, "*" + instance)
+ print ' trace::localWriter.endElement();'
+ print ' trace::localWriter.endArray();'
+ print ' } else {'
+ print ' trace::localWriter.writeNull();'
+ print ' }'
+
+ def visitIntPointer(self, pointer, instance):
+ print ' trace::localWriter.writePointer((uintptr_t)%s);' % instance
+
+ def visitObjPointer(self, pointer, instance):
+ print ' trace::localWriter.writePointer((uintptr_t)%s);' % instance
+
+ def visitLinearPointer(self, pointer, instance):
+ print ' trace::localWriter.writePointer((uintptr_t)%s);' % instance
+
+ def visitReference(self, reference, instance):
+ self.visit(reference.type, instance)
+
+ def visitHandle(self, handle, instance):
+ self.visit(handle.type, instance)
+
+ def visitAlias(self, alias, instance):
+ self.visit(alias.type, instance)
+
+ def visitOpaque(self, opaque, instance):
+ print ' trace::localWriter.writePointer((uintptr_t)%s);' % instance
+
+ def visitInterface(self, interface, instance):
+ assert False
+
+ def visitPolymorphic(self, polymorphic, instance):
+ if polymorphic.contextLess:
+ print ' _write__%s(%s, %s);' % (polymorphic.tag, polymorphic.switchExpr, instance)
+ else:
+ print ' switch (%s) {' % polymorphic.switchExpr
+ for cases, type in polymorphic.iterSwitch():
+ for case in cases:
+ print ' %s:' % case
+ self.visit(type, 'static_cast<%s>(%s)' % (type, instance))
+ print ' break;'
+ print ' }'
+
+
+class WrapDecider(stdapi.Traverser):
+ '''Type visitor which will decide wheter this type will need wrapping or not.
+
+ For complex types (arrays, structures), we need to know this before hand.
+ '''
+
+ def __init__(self):
+ self.needsWrapping = False
+
+ def visitLinearPointer(self, void):
+ pass
+
+ def visitInterface(self, interface):
+ self.needsWrapping = True
+
+
+class ValueWrapper(stdapi.Traverser):
+ '''Type visitor which will generate the code to wrap an instance.
+
+ Wrapping is necessary mostly for interfaces, however interface pointers can
+ appear anywhere inside complex types.
+ '''
+
+ def visitStruct(self, struct, instance):
+ for type, name in struct.members:
+ self.visit(type, "(%s).%s" % (instance, name))
+
+ def visitArray(self, array, instance):
+ print " if (%s) {" % instance
+ print " for (size_t _i = 0, _s = %s; _i < _s; ++_i) {" % array.length
+ self.visit(array.type, instance + "[_i]")
+ print " }"
+ print " }"
+
+ def visitPointer(self, pointer, instance):
+ print " if (%s) {" % instance
+ self.visit(pointer.type, "*" + instance)
+ print " }"
+
+ def visitObjPointer(self, pointer, instance):
+ elem_type = pointer.type.mutable()
+ if isinstance(elem_type, stdapi.Interface):
+ self.visitInterfacePointer(elem_type, instance)
+ elif isinstance(elem_type, stdapi.Alias) and isinstance(elem_type.type, stdapi.Interface):
+ self.visitInterfacePointer(elem_type.type, instance)
+ else:
+ self.visitPointer(pointer, instance)
+
+ def visitInterface(self, interface, instance):
+ raise NotImplementedError
+
+ def visitInterfacePointer(self, interface, instance):
+ print " if (%s) {" % instance
+ print " %s = new %s(%s);" % (instance, getWrapperInterfaceName(interface), instance)
+ print " }"
+
+ def visitPolymorphic(self, type, instance):
+ # XXX: There might be polymorphic values that need wrapping in the future
+ raise NotImplementedError
+
+
+class ValueUnwrapper(ValueWrapper):
+ '''Reverse of ValueWrapper.'''
+
+ allocated = False
+
+ def visitStruct(self, struct, instance):
+ if not self.allocated:
+ # Argument is constant. We need to create a non const
+ print ' {'
+ print " %s * _t = static_cast<%s *>(alloca(sizeof *_t));" % (struct, struct)
+ print ' *_t = %s;' % (instance,)
+ assert instance.startswith('*')
+ print ' %s = _t;' % (instance[1:],)
+ instance = '*_t'
+ self.allocated = True
+ try:
+ return ValueWrapper.visitStruct(self, struct, instance)
+ finally:
+ print ' }'
+ else:
+ return ValueWrapper.visitStruct(self, struct, instance)
+
+ def visitArray(self, array, instance):
+ if self.allocated or isinstance(instance, stdapi.Interface):
+ return ValueWrapper.visitArray(self, array, instance)
+ elem_type = array.type.mutable()
+ print " if (%s && %s) {" % (instance, array.length)
+ print " %s * _t = static_cast<%s *>(alloca(%s * sizeof *_t));" % (elem_type, elem_type, array.length)
+ print " for (size_t _i = 0, _s = %s; _i < _s; ++_i) {" % array.length
+ print " _t[_i] = %s[_i];" % instance
+ self.allocated = True
+ self.visit(array.type, "_t[_i]")
+ print " }"
+ print " %s = _t;" % instance
+ print " }"
+
+ def visitInterfacePointer(self, interface, instance):
+ print r' if (%s) {' % instance
+ print r' const %s *pWrapper = static_cast<const %s*>(%s);' % (getWrapperInterfaceName(interface), getWrapperInterfaceName(interface), instance)
+ print r' if (pWrapper && pWrapper->m_dwMagic == 0xd8365d6c) {'
+ print r' %s = pWrapper->m_pInstance;' % (instance,)
+ print r' } else {'
+ print r' os::log("apitrace: warning: %%s: unexpected %%s pointer\n", __FUNCTION__, "%s");' % interface.name
+ print r' }'
+ print r' }'
+
+
+class Tracer:
+ '''Base class to orchestrate the code generation of API tracing.'''
+
+ def __init__(self):
+ self.api = None
+
+ def serializerFactory(self):
+ '''Create a serializer.
+
+ Can be overriden by derived classes to inject their own serialzer.
+ '''
+
+ return ValueSerializer()
+
+ def traceApi(self, api):
+ self.api = api
+
+ self.header(api)
+
+ # Includes
+ for header in api.headers:
+ print header
+ print
+
+ # Generate the serializer functions
+ types = api.getAllTypes()
+ visitor = ComplexValueSerializer(self.serializerFactory())
+ map(visitor.visit, types)
+ print
+
+ # Interfaces wrapers
+ self.traceInterfaces(api)
+
+ # Function wrappers
+ self.interface = None
+ self.base = None
+ map(self.traceFunctionDecl, api.functions)
+ map(self.traceFunctionImpl, api.functions)
+ print
+
+ self.footer(api)
+
+ def header(self, api):
+ print '#ifdef _WIN32'
+ print '# include <malloc.h> // alloca'
+ print '# ifndef alloca'
+ print '# define alloca _alloca'
+ print '# endif'
+ print '#else'
+ print '# include <alloca.h> // alloca'
+ print '#endif'
+ print
+ print '#include "trace.hpp"'
+ print
+
+ def footer(self, api):
+ pass
+
+ def traceFunctionDecl(self, function):
+ # Per-function declarations
+
+ if not function.internal:
+ if function.args:
+ print 'static const char * _%s_args[%u] = {%s};' % (function.name, len(function.args), ', '.join(['"%s"' % arg.name for arg in function.args]))
+ else:
+ print 'static const char ** _%s_args = NULL;' % (function.name,)
+ print 'static const trace::FunctionSig _%s_sig = {%u, "%s", %u, _%s_args};' % (function.name, function.id, function.name, len(function.args), function.name)
+ print
+
+ def isFunctionPublic(self, function):
+ return True
+
+ def traceFunctionImpl(self, function):
+ if self.isFunctionPublic(function):
+ print 'extern "C" PUBLIC'
+ else:
+ print 'extern "C" PRIVATE'
+ print function.prototype() + ' {'
+ if function.type is not stdapi.Void:
+ print ' %s _result;' % function.type
+
+ # No-op if tracing is disabled
+ print ' if (!trace::isTracingEnabled()) {'
+ Tracer.invokeFunction(self, function)
+ if function.type is not stdapi.Void:
+ print ' return _result;'
+ else:
+ print ' return;'
+ print ' }'
+
+ self.traceFunctionImplBody(function)
+ if function.type is not stdapi.Void:
+ print ' return _result;'
+ print '}'
+ print
+
+ def traceFunctionImplBody(self, function):
+ if not function.internal:
+ print ' unsigned _call = trace::localWriter.beginEnter(&_%s_sig);' % (function.name,)
+ for arg in function.args:
+ if not arg.output:
+ self.unwrapArg(function, arg)
+ self.serializeArg(function, arg)
+ print ' trace::localWriter.endEnter();'
+ self.invokeFunction(function)
+ if not function.internal:
+ print ' trace::localWriter.beginLeave(_call);'
+ for arg in function.args:
+ if arg.output:
+ self.serializeArg(function, arg)
+ self.wrapArg(function, arg)
+ if function.type is not stdapi.Void:
+ self.serializeRet(function, "_result")
+ print ' trace::localWriter.endLeave();'
+ if function.type is not stdapi.Void:
+ self.wrapRet(function, "_result")
+
+ def invokeFunction(self, function, prefix='_', suffix=''):
+ if function.type is stdapi.Void:
+ result = ''
+ else:
+ result = '_result = '
+ dispatch = prefix + function.name + suffix
+ print ' %s%s(%s);' % (result, dispatch, ', '.join([str(arg.name) for arg in function.args]))
+
+ def serializeArg(self, function, arg):
+ print ' trace::localWriter.beginArg(%u);' % (arg.index,)
+ self.serializeArgValue(function, arg)
+ print ' trace::localWriter.endArg();'
+
+ def serializeArgValue(self, function, arg):
+ self.serializeValue(arg.type, arg.name)
+
+ def wrapArg(self, function, arg):
+ assert not isinstance(arg.type, stdapi.ObjPointer)
+
+ from specs.winapi import REFIID
+ riid = None
+ for other_arg in function.args:
+ if not other_arg.output and other_arg.type is REFIID:
+ riid = other_arg
+ if riid is not None \
+ and isinstance(arg.type, stdapi.Pointer) \
+ and isinstance(arg.type.type, stdapi.ObjPointer):
+ self.wrapIid(function, riid, arg)
+ return
+
+ self.wrapValue(arg.type, arg.name)
+
+ def unwrapArg(self, function, arg):
+ self.unwrapValue(arg.type, arg.name)
+
+ def serializeRet(self, function, instance):
+ print ' trace::localWriter.beginReturn();'
+ self.serializeValue(function.type, instance)
+ print ' trace::localWriter.endReturn();'
+
+ def serializeValue(self, type, instance):
+ serializer = self.serializerFactory()
+ serializer.visit(type, instance)
+
+ def wrapRet(self, function, instance):
+ self.wrapValue(function.type, instance)
+
+ def unwrapRet(self, function, instance):
+ self.unwrapValue(function.type, instance)
+
+ def needsWrapping(self, type):
+ visitor = WrapDecider()
+ visitor.visit(type)
+ return visitor.needsWrapping
+
+ def wrapValue(self, type, instance):
+ if self.needsWrapping(type):
+ visitor = ValueWrapper()
+ visitor.visit(type, instance)
+
+ def unwrapValue(self, type, instance):
+ if self.needsWrapping(type):
+ visitor = ValueUnwrapper()
+ visitor.visit(type, instance)
+
+ def traceInterfaces(self, api):
+ interfaces = api.getAllInterfaces()
+ if not interfaces:
+ return
+ map(self.declareWrapperInterface, interfaces)
+ self.implementIidWrapper(api)
+ map(self.implementWrapperInterface, interfaces)
+ print
+
+ def declareWrapperInterface(self, interface):
+ print "class %s : public %s " % (getWrapperInterfaceName(interface), interface.name)
+ print "{"
+ print "public:"
+ print " %s(%s * pInstance);" % (getWrapperInterfaceName(interface), interface.name)
+ print " virtual ~%s();" % getWrapperInterfaceName(interface)
+ print
+ for method in interface.iterMethods():
+ print " " + method.prototype() + ";"
+ print
+ #print "private:"
+ for type, name, value in self.enumWrapperInterfaceVariables(interface):
+ print ' %s %s;' % (type, name)
+ print "};"
+ print
+
+ def enumWrapperInterfaceVariables(self, interface):
+ return [
+ ("DWORD", "m_dwMagic", "0xd8365d6c"),
+ ("%s *" % interface.name, "m_pInstance", "pInstance"),
+ ]
+
+ def implementWrapperInterface(self, interface):
+ self.interface = interface
+
+ print '%s::%s(%s * pInstance) {' % (getWrapperInterfaceName(interface), getWrapperInterfaceName(interface), interface.name)
+ for type, name, value in self.enumWrapperInterfaceVariables(interface):
+ print ' %s = %s;' % (name, value)
+ print '}'
+ print
+ print '%s::~%s() {' % (getWrapperInterfaceName(interface), getWrapperInterfaceName(interface))
+ print '}'
+ print
+
+ for base, method in interface.iterBaseMethods():
+ self.base = base
+ self.implementWrapperInterfaceMethod(interface, base, method)
+
+ print
+
+ def implementWrapperInterfaceMethod(self, interface, base, method):
+ print method.prototype(getWrapperInterfaceName(interface) + '::' + method.name) + ' {'
+ if method.type is not stdapi.Void:
+ print ' %s _result;' % method.type
+
+ self.implementWrapperInterfaceMethodBody(interface, base, method)
+
+ if method.type is not stdapi.Void:
+ print ' return _result;'
+ print '}'
+ print
+
+ def implementWrapperInterfaceMethodBody(self, interface, base, method):
+ assert not method.internal
+
+ print ' static const char * _args[%u] = {%s};' % (len(method.args) + 1, ', '.join(['"this"'] + ['"%s"' % arg.name for arg in method.args]))
+ print ' static const trace::FunctionSig _sig = {%u, "%s", %u, _args};' % (method.id, interface.name + '::' + method.name, len(method.args) + 1)
+
+ print ' %s *_this = static_cast<%s *>(m_pInstance);' % (base, base)
+
+ print ' unsigned _call = trace::localWriter.beginEnter(&_sig);'
+ print ' trace::localWriter.beginArg(0);'
+ print ' trace::localWriter.writePointer((uintptr_t)m_pInstance);'
+ print ' trace::localWriter.endArg();'
+ for arg in method.args:
+ if not arg.output:
+ self.unwrapArg(method, arg)
+ self.serializeArg(method, arg)
+ print ' trace::localWriter.endEnter();'
+
+ self.invokeMethod(interface, base, method)
+
+ print ' trace::localWriter.beginLeave(_call);'
+ for arg in method.args:
+ if arg.output:
+ self.serializeArg(method, arg)
+ self.wrapArg(method, arg)
+
+ if method.type is not stdapi.Void:
+ self.serializeRet(method, '_result')
+ print ' trace::localWriter.endLeave();'
+ if method.type is not stdapi.Void:
+ self.wrapRet(method, '_result')
+
+ if method.name == 'Release':
+ assert method.type is not stdapi.Void
+ print ' if (!_result)'
+ print ' delete this;'
+
+ def implementIidWrapper(self, api):
+ print r'static void'
+ print r'warnIID(const char *functionName, REFIID riid, const char *reason) {'
+ print r' os::log("apitrace: warning: %s: %s IID {0x%08lX,0x%04X,0x%04X,{0x%02X,0x%02X,0x%02X,0x%02X,0x%02X,0x%02X,0x%02X,0x%02X}}\n",'
+ print r' functionName, reason,'
+ print r' riid.Data1, riid.Data2, riid.Data3,'
+ print r' riid.Data4[0], riid.Data4[1], riid.Data4[2], riid.Data4[3], riid.Data4[4], riid.Data4[5], riid.Data4[6], riid.Data4[7]);'
+ print r'}'
+ print
+ print r'static void'
+ print r'wrapIID(const char *functionName, REFIID riid, void * * ppvObj) {'
+ print r' if (!ppvObj || !*ppvObj) {'
+ print r' return;'
+ print r' }'
+ else_ = ''
+ for iface in api.getAllInterfaces():
+ print r' %sif (riid == IID_%s) {' % (else_, iface.name)
+ print r' *ppvObj = new Wrap%s((%s *) *ppvObj);' % (iface.name, iface.name)
+ print r' }'
+ else_ = 'else '
+ print r' %s{' % else_
+ print r' warnIID(functionName, riid, "unknown");'
+ print r' }'
+ print r'}'
+ print
+
+ def wrapIid(self, function, riid, out):
+ # Cast output arg to `void **` if necessary
+ out_name = out.name
+ obj_type = out.type.type.type
+ if not obj_type is stdapi.Void:
+ assert isinstance(obj_type, stdapi.Interface)
+ out_name = 'reinterpret_cast<void * *>(%s)' % out_name
+
+ print r' if (%s && *%s) {' % (out.name, out.name)
+ functionName = function.name
+ else_ = ''
+ if self.interface is not None:
+ functionName = self.interface.name + '::' + functionName
+ print r' if (*%s == m_pInstance &&' % (out_name,)
+ print r' (%s)) {' % ' || '.join('%s == IID_%s' % (riid.name, iface.name) for iface in self.interface.iterBases())
+ print r' *%s = this;' % (out_name,)
+ print r' }'
+ else_ = 'else '
+ print r' %s{' % else_
+ print r' wrapIID("%s", %s, %s);' % (functionName, riid.name, out_name)
+ print r' }'
+ print r' }'
+
+ def invokeMethod(self, interface, base, method):
+ if method.type is stdapi.Void:
+ result = ''
+ else:
+ result = '_result = '
+ print ' %s_this->%s(%s);' % (result, method.name, ', '.join([str(arg.name) for arg in method.args]))
+
+ def emit_memcpy(self, dest, src, length):
+ print ' unsigned _call = trace::localWriter.beginEnter(&trace::memcpy_sig);'
+ print ' trace::localWriter.beginArg(0);'
+ print ' trace::localWriter.writePointer((uintptr_t)%s);' % dest
+ print ' trace::localWriter.endArg();'
+ print ' trace::localWriter.beginArg(1);'
+ print ' trace::localWriter.writeBlob(%s, %s);' % (src, length)
+ print ' trace::localWriter.endArg();'
+ print ' trace::localWriter.beginArg(2);'
+ print ' trace::localWriter.writeUInt(%s);' % length
+ print ' trace::localWriter.endArg();'
+ print ' trace::localWriter.endEnter();'
+ print ' trace::localWriter.beginLeave(_call);'
+ print ' trace::localWriter.endLeave();'
+
+ def fake_call(self, function, args):
+ print ' unsigned _fake_call = trace::localWriter.beginEnter(&_%s_sig);' % (function.name,)
+ for arg, instance in zip(function.args, args):
+ assert not arg.output
+ print ' trace::localWriter.beginArg(%u);' % (arg.index,)
+ self.serializeValue(arg.type, instance)
+ print ' trace::localWriter.endArg();'
+ print ' trace::localWriter.endEnter();'
+ print ' trace::localWriter.beginLeave(_fake_call);'
+ print ' trace::localWriter.endLeave();'
+
projects / apitrace / blobdiff