X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=trace.py;h=ccd709c4f8df7c09d399b890f6812bd8444fcce2;hb=e525e6f8733c35f5b9d7b6da1ce1e56a7d70f5ba;hp=9f115a32e92687086280fee60d415419d44405a9;hpb=8bec8a0c309cffea31148ccbf0d5cf76e3e93619;p=apitrace diff --git a/trace.py b/trace.py index 9f115a3..ccd709c 100644 --- a/trace.py +++ b/trace.py @@ -26,7 +26,7 @@ """Common trace code generation.""" -import stdapi +import specs.stdapi as stdapi from dispatch import Dispatcher @@ -52,18 +52,18 @@ class DumpDeclarator(stdapi.OnceVisitor): def visit_struct(self, struct): for type, name in struct.members: self.visit(type) - print 'static void __traceStruct%s(const %s &value) {' % (struct.id, struct.expr) + 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' % (int(struct.id), struct.name, len(struct.members)) + print ' %u, "%s", %u, members' % (struct.id, struct.name, len(struct.members)) print ' };' - print ' Trace::BeginStruct(&sig);' + print ' Trace::localWriter.beginStruct(&sig);' for type, name in struct.members: dump_instance(type, 'value.%s' % (name,)) - print ' Trace::EndStruct();' + print ' Trace::localWriter.endStruct();' print '}' print @@ -76,35 +76,35 @@ class DumpDeclarator(stdapi.OnceVisitor): __enum_id = 0 def visit_enum(self, enum): - print 'static void __traceEnum%s(const %s value) {' % (enum.id, enum.expr) + print 'static void _write__%s(const %s value) {' % (enum.tag, enum.expr) n = len(enum.values) for i in range(n): value = enum.values[i] print ' static const Trace::EnumSig sig%u = {%u, "%s", %s};' % (i, DumpDeclarator.__enum_id, value, value) DumpDeclarator.__enum_id += 1 print ' const Trace::EnumSig *sig;' - print ' switch(value) {' + print ' switch (value) {' for i in range(n): value = enum.values[i] print ' case %s:' % value print ' sig = &sig%u;' % i print ' break;' print ' default:' - print ' Trace::LiteralSInt(value);' + print ' Trace::localWriter.writeSInt(value);' print ' return;' print ' }' - print ' Trace::LiteralEnum(sig);' + print ' Trace::localWriter.writeEnum(sig);' print '}' print def visit_bitmask(self, bitmask): - print 'static const Trace::BitmaskVal __bitmask%s_vals[] = {' % (bitmask.id) + 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.id) - print ' %u, %u, __bitmask%s_vals' % (int(bitmask.id), len(bitmask.values), bitmask.id) + 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 @@ -135,58 +135,72 @@ class DumpDeclarator(stdapi.OnceVisitor): print "};" print + def visit_polymorphic(self, polymorphic): + 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 + dump_instance(type, 'static_cast<%s>(value)' % (type,)) + print ' break;' + print ' }' + print '}' + print + class DumpImplementer(stdapi.Visitor): '''Dump an instance.''' def visit_literal(self, literal, instance): - print ' Trace::Literal%s(%s);' % (literal.format, instance) + print ' Trace::localWriter.write%s(%s);' % (literal.kind, instance) def visit_string(self, string, instance): if string.length is not None: - print ' Trace::LiteralString((const char *)%s, %s);' % (instance, string.length) + print ' Trace::localWriter.writeString((const char *)%s, %s);' % (instance, string.length) else: - print ' Trace::LiteralString((const char *)%s);' % instance + print ' Trace::localWriter.writeString((const char *)%s);' % instance def visit_const(self, const, instance): self.visit(const.type, instance) def visit_struct(self, struct, instance): - print ' __traceStruct%s(%s);' % (struct.id, instance) + print ' _write__%s(%s);' % (struct.tag, instance) def visit_array(self, array, instance): + length = '__c' + array.type.tag + index = '__i' + array.type.tag print ' if (%s) {' % instance - index = '__i' + array.type.id - print ' Trace::BeginArray(%s);' % (array.length,) - print ' for (int %s = 0; %s < %s; ++%s) {' % (index, index, array.length, index) - print ' Trace::BeginElement();' + print ' size_t %s = %s;' % (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::EndElement();' + print ' Trace::localWriter.endElement();' print ' }' - print ' Trace::EndArray();' + print ' Trace::localWriter.endArray();' + print ' } else {' + print ' Trace::localWriter.writeNull();' print ' }' - print ' else' - print ' Trace::LiteralNull();' def visit_blob(self, blob, instance): - print ' Trace::LiteralBlob(%s, %s);' % (instance, blob.size) + print ' Trace::localWriter.writeBlob(%s, %s);' % (instance, blob.size) def visit_enum(self, enum, instance): - print ' __traceEnum%s(%s);' % (enum.id, instance) + print ' _write__%s(%s);' % (enum.tag, instance) def visit_bitmask(self, bitmask, instance): - print ' Trace::LiteralBitmask(__bitmask%s_sig, %s);' % (bitmask.id, instance) + print ' Trace::localWriter.writeBitmask(&__bitmask%s_sig, %s);' % (bitmask.tag, instance) def visit_pointer(self, pointer, instance): print ' if (%s) {' % instance - print ' Trace::BeginArray(1);' - print ' Trace::BeginElement();' + print ' Trace::localWriter.beginArray(1);' + print ' Trace::localWriter.beginElement();' dump_instance(pointer.type, "*" + instance) - print ' Trace::EndElement();' - print ' Trace::EndArray();' + print ' Trace::localWriter.endElement();' + print ' Trace::localWriter.endArray();' + print ' } else {' + print ' Trace::localWriter.writeNull();' print ' }' - print ' else' - print ' Trace::LiteralNull();' def visit_handle(self, handle, instance): self.visit(handle.type, instance) @@ -195,10 +209,13 @@ class DumpImplementer(stdapi.Visitor): self.visit(alias.type, instance) def visit_opaque(self, opaque, instance): - print ' Trace::LiteralOpaque((const void *)%s);' % instance + print ' Trace::localWriter.writeOpaque((const void *)%s);' % instance def visit_interface(self, interface, instance): - print ' Trace::LiteralOpaque((const void *)&%s);' % instance + print ' Trace::localWriter.writeOpaque((const void *)&%s);' % instance + + def visit_polymorphic(self, polymorphic, instance): + print ' _write__%s(%s, %s);' % (polymorphic.tag, polymorphic.switch_expr, instance) dump_instance = DumpImplementer().visit @@ -238,7 +255,9 @@ class Wrapper(stdapi.Visitor): pass def visit_pointer(self, pointer, instance): + print " if (%s) {" % instance self.visit(pointer.type, "*" + instance) + print " }" def visit_handle(self, handle, instance): self.visit(handle.type, instance) @@ -252,8 +271,13 @@ class Wrapper(stdapi.Visitor): def visit_interface(self, interface, instance): assert instance.startswith('*') instance = instance[1:] - print " if (%s)" % instance + print " if (%s) {" % instance print " %s = new %s(%s);" % (instance, interface_wrap_name(interface), instance) + print " }" + + def visit_polymorphic(self, type, instance): + # XXX: There might be polymorphic values that need wrapping in the future + pass class Unwrapper(Wrapper): @@ -261,8 +285,9 @@ class Unwrapper(Wrapper): def visit_interface(self, interface, instance): assert instance.startswith('*') instance = instance[1:] - print " if (%s)" % instance + print " if (%s) {" % instance print " %s = static_cast<%s *>(%s)->m_pInstance;" % (instance, interface_wrap_name(interface), instance) + print " }" wrap_instance = Wrapper().visit @@ -271,7 +296,12 @@ unwrap_instance = Unwrapper().visit class Tracer: + def __init__(self): + self.api = None + def trace_api(self, api): + self.api = api + self.header(api) # Includes @@ -310,12 +340,9 @@ class Tracer: 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, int(function.id), function.name, len(function.args), 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 get_dispatch_function(self, function): - return '__' + function.name - def is_public_function(self, function): return True @@ -335,34 +362,34 @@ class Tracer: print def trace_function_impl_body(self, function): - print ' unsigned __call = Trace::BeginEnter(__%s_sig);' % (function.name,) + print ' unsigned __call = Trace::localWriter.beginEnter(&__%s_sig);' % (function.name,) for arg in function.args: if not arg.output: self.unwrap_arg(function, arg) self.dump_arg(function, arg) - print ' Trace::EndEnter();' + print ' Trace::localWriter.endEnter();' self.dispatch_function(function) - print ' Trace::BeginLeave(__call);' + print ' Trace::localWriter.beginLeave(__call);' for arg in function.args: if arg.output: self.dump_arg(function, arg) self.wrap_arg(function, arg) if function.type is not stdapi.Void: self.dump_ret(function, "__result") - print ' Trace::EndLeave();' + print ' Trace::localWriter.endLeave();' - def dispatch_function(self, function): + def dispatch_function(self, function, prefix='__', suffix=''): if function.type is stdapi.Void: result = '' else: result = '__result = ' - dispatch = self.get_dispatch_function(function) + dispatch = prefix + function.name + suffix print ' %s%s(%s);' % (result, dispatch, ', '.join([str(arg.name) for arg in function.args])) def dump_arg(self, function, arg): - print ' Trace::BeginArg(%u);' % (arg.index,) + print ' Trace::localWriter.beginArg(%u);' % (arg.index,) self.dump_arg_instance(function, arg) - print ' Trace::EndArg();' + print ' Trace::localWriter.endArg();' def dump_arg_instance(self, function, arg): dump_instance(arg.type, arg.name) @@ -374,9 +401,9 @@ class Tracer: unwrap_instance(arg.type, arg.name) def dump_ret(self, function, instance): - print ' Trace::BeginReturn();' + print ' Trace::localWriter.beginReturn();' dump_instance(function.type, instance) - print ' Trace::EndReturn();' + print ' Trace::localWriter.endReturn();' def wrap_ret(self, function, instance): wrap_instance(function.type, instance) @@ -399,11 +426,11 @@ class Tracer: def trace_method(self, interface, method): print method.prototype(interface_wrap_name(interface) + '::' + method.name) + ' {' 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};' % (int(method.id), interface.name + '::' + method.name, len(method.args) + 1) - print ' unsigned __call = Trace::BeginEnter(__sig);' - print ' Trace::BeginArg(0);' - print ' Trace::LiteralOpaque((const void *)m_pInstance);' - print ' Trace::EndArg();' + print ' static const Trace::FunctionSig __sig = {%u, "%s", %u, __args};' % (method.id, interface.name + '::' + method.name, len(method.args) + 1) + print ' unsigned __call = Trace::localWriter.beginEnter(&__sig);' + print ' Trace::localWriter.beginArg(0);' + print ' Trace::localWriter.writeOpaque((const void *)m_pInstance);' + print ' Trace::localWriter.endArg();' for arg in method.args: if not arg.output: self.unwrap_arg(method, arg) @@ -413,22 +440,29 @@ class Tracer: else: print ' %s __result;' % method.type result = '__result = ' - print ' Trace::EndEnter();' + print ' Trace::localWriter.endEnter();' print ' %sm_pInstance->%s(%s);' % (result, method.name, ', '.join([str(arg.name) for arg in method.args])) - print ' Trace::BeginLeave(__call);' + print ' Trace::localWriter.beginLeave(__call);' for arg in method.args: if arg.output: self.dump_arg(method, arg) self.wrap_arg(method, arg) if method.type is not stdapi.Void: - print ' Trace::BeginReturn();' + print ' Trace::localWriter.beginReturn();' dump_instance(method.type, "__result") - print ' Trace::EndReturn();' + print ' Trace::localWriter.endReturn();' wrap_instance(method.type, '__result') - print ' Trace::EndLeave();' + print ' Trace::localWriter.endLeave();' if method.name == 'QueryInterface': - print ' if (*ppvObj == m_pInstance)' - print ' *ppvObj = this;' + print ' if (ppvObj && *ppvObj) {' + print ' if (*ppvObj == m_pInstance) {' + print ' *ppvObj = this;' + print ' }' + for iface in self.api.interfaces: + print ' else if (riid == IID_%s) {' % iface.name + print ' *ppvObj = new Wrap%s((%s *) *ppvObj);' % (iface.name, iface.name) + print ' }' + print ' }' if method.name == 'Release': assert method.type is not stdapi.Void print ' if (!__result)' @@ -444,9 +478,6 @@ class DllTracer(Tracer): def __init__(self, dllname): self.dllname = dllname - def get_function_address(self, function): - return '__%s' % (function.name,) - def header(self, api): print ''' static HINSTANCE g_hDll = NULL; @@ -472,7 +503,6 @@ __getPublicProcAddress(LPCSTR lpProcName) return GetProcAddress(g_hDll, lpProcName); } -#define __abort() OS::Abort() ''' % self.dllname dispatcher = Dispatcher()