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226103d166e2806fdaee63242492233e810d6541
godot/core/make_binders.py
George Marques 226103d166 Enable type information on release 
This is needed for GDScript (and potentially other scripting languages)
to properly identify type errors and avoid mismatch between release and
debug versions.

This increases the release bynary size by about 889 KiB.
2022-04-01 18:20:33 -03:00

383 lines
12 KiB
Python
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# -*- coding: ibm850 -*-
template_typed = """
#ifdef TYPED_METHOD_BIND
template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
class MethodBind$argc$$ifret R$$ifconst C$ : public MethodBind {
public:
$ifret R$ $ifnoret void$ (T::*method)($arg, P@$) $ifconst const$;
virtual Variant::Type _gen_argument_type(int p_arg) const { return _get_argument_type(p_arg); }
#ifdef DEBUG_METHODS_ENABLED
virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const {
$ifret if (p_arg==-1) return GetTypeInfo<R>::METADATA;$
$arg if (p_arg==(@-1)) return GetTypeInfo<P@>::METADATA;
$
return GodotTypeInfo::METADATA_NONE;
}
#endif
Variant::Type _get_argument_type(int p_argument) const {
$ifret if (p_argument==-1) return (Variant::Type)GetTypeInfo<R>::VARIANT_TYPE;$
$arg if (p_argument==(@-1)) return (Variant::Type)GetTypeInfo<P@>::VARIANT_TYPE;
$
return Variant::NIL;
}
virtual PropertyInfo _gen_argument_type_info(int p_argument) const {
$ifret if (p_argument==-1) return GetTypeInfo<R>::get_class_info();$
$arg if (p_argument==(@-1)) return GetTypeInfo<P@>::get_class_info();
$
return PropertyInfo();
}
virtual String get_instance_class() const {
return T::get_class_static();
}
virtual Variant call(Object* p_object,const Variant** p_args,int p_arg_count, Variant::CallError& r_error) {
T *instance=Object::cast_to<T>(p_object);
r_error.error=Variant::CallError::CALL_OK;
#ifdef DEBUG_METHODS_ENABLED
ERR_FAIL_COND_V(!instance,Variant());
if (p_arg_count>get_argument_count()) {
r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_error.argument=get_argument_count();
return Variant();
}
if (p_arg_count<(get_argument_count()-get_default_argument_count())) {
r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument=get_argument_count()-get_default_argument_count();
return Variant();
}
$arg CHECK_ARG(@);
$
#endif
$ifret Variant ret = $(instance->*method)($arg, _VC(@)$);
$ifret return Variant(ret);$
$ifnoret return Variant();$
}
#ifdef PTRCALL_ENABLED
virtual void ptrcall(Object*p_object,const void** p_args,void *r_ret) {
T *instance=Object::cast_to<T>(p_object);
$ifret PtrToArg<R>::encode( $ (instance->*method)($arg, PtrToArg<P@>::convert(p_args[@-1])$) $ifret ,r_ret)$ ;
}
#endif
MethodBind$argc$$ifret R$$ifconst C$ () {
#ifdef DEBUG_METHODS_ENABLED
_set_const($ifconst true$$ifnoconst false$);
#endif
set_argument_count($argc$);
$ifret _set_returns(true); $
};
};
template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
MethodBind* create_method_bind($ifret R$ $ifnoret void$ (T::*p_method)($arg, P@$) $ifconst const$ ) {
MethodBind$argc$$ifret R$$ifconst C$<T $ifret ,R$ $ifargs ,$ $arg, P@$> * a = memnew( (MethodBind$argc$$ifret R$$ifconst C$<T $ifret ,R$ $ifargs ,$ $arg, P@$>) );
a->method=p_method;
return a;
}
#endif
"""
template = """
#ifndef TYPED_METHOD_BIND
$iftempl template<$ $ifret class R$ $ifretargs ,$ $arg, class P@$ $iftempl >$
class MethodBind$argc$$ifret R$$ifconst C$ : public MethodBind {
public:
StringName type_name;
$ifret R$ $ifnoret void$ (__UnexistingClass::*method)($arg, P@$) $ifconst const$;
virtual Variant::Type _gen_argument_type(int p_arg) const { return _get_argument_type(p_arg); }
#ifdef DEBUG_METHODS_ENABLED
virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const {
$ifret if (p_arg==-1) return GetTypeInfo<R>::METADATA;$
$arg if (p_arg==(@-1)) return GetTypeInfo<P@>::METADATA;
$
return GodotTypeInfo::METADATA_NONE;
}
#endif
Variant::Type _get_argument_type(int p_argument) const {
$ifret if (p_argument==-1) return (Variant::Type)GetTypeInfo<R>::VARIANT_TYPE;$
$arg if (p_argument==(@-1)) return (Variant::Type)GetTypeInfo<P@>::VARIANT_TYPE;
$
return Variant::NIL;
}
virtual PropertyInfo _gen_argument_type_info(int p_argument) const {
$ifret if (p_argument==-1) return GetTypeInfo<R>::get_class_info();$
$arg if (p_argument==(@-1)) return GetTypeInfo<P@>::get_class_info();
$
return PropertyInfo();
}
virtual String get_instance_class() const {
return type_name;
}
virtual Variant call(Object* p_object,const Variant** p_args,int p_arg_count, Variant::CallError& r_error) {
__UnexistingClass *instance = (__UnexistingClass*)p_object;
r_error.error=Variant::CallError::CALL_OK;
#ifdef DEBUG_METHODS_ENABLED
ERR_FAIL_COND_V(!instance,Variant());
if (p_arg_count>get_argument_count()) {
r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_error.argument=get_argument_count();
return Variant();
}
if (p_arg_count<(get_argument_count()-get_default_argument_count())) {
r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument=get_argument_count()-get_default_argument_count();
return Variant();
}
$arg CHECK_ARG(@);
$
#endif
$ifret Variant ret = $(instance->*method)($arg, _VC(@)$);
$ifret return Variant(ret);$
$ifnoret return Variant();$
}
#ifdef PTRCALL_ENABLED
virtual void ptrcall(Object*p_object,const void** p_args,void *r_ret) {
__UnexistingClass *instance = (__UnexistingClass*)p_object;
$ifret PtrToArg<R>::encode( $ (instance->*method)($arg, PtrToArg<P@>::convert(p_args[@-1])$) $ifret ,r_ret) $ ;
}
#endif
MethodBind$argc$$ifret R$$ifconst C$ () {
#ifdef DEBUG_METHODS_ENABLED
_set_const($ifconst true$$ifnoconst false$);
#endif
_generate_argument_types($argc$);
$ifret _set_returns(true); $
};
};
template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
MethodBind* create_method_bind($ifret R$ $ifnoret void$ (T::*p_method)($arg, P@$) $ifconst const$ ) {
MethodBind$argc$$ifret R$$ifconst C$ $iftempl <$ $ifret R$ $ifretargs ,$ $arg, P@$ $iftempl >$ * a = memnew( (MethodBind$argc$$ifret R$$ifconst C$ $iftempl <$ $ifret R$ $ifretargs ,$ $arg, P@$ $iftempl >$) );
union {
$ifret R$ $ifnoret void$ (T::*sm)($arg, P@$) $ifconst const$;
$ifret R$ $ifnoret void$ (__UnexistingClass::*dm)($arg, P@$) $ifconst const$;
} u;
u.sm=p_method;
a->method=u.dm;
a->type_name=T::get_class_static();
return a;
}
#endif
"""
template_typed_free_func = """
#ifdef TYPED_METHOD_BIND
template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
class FunctionBind$argc$$ifret R$$ifconst C$ : public MethodBind {
public:
$ifret R$ $ifnoret void$ (*method) ($ifconst const$ T *$ifargs , $$arg, P@$);
virtual Variant::Type _gen_argument_type(int p_arg) const { return _get_argument_type(p_arg); }
virtual GodotTypeInfo::Metadata get_argument_meta(int p_arg) const {
$ifret if (p_arg==-1) return GetTypeInfo<R>::METADATA;$
$arg if (p_arg==(@-1)) return GetTypeInfo<P@>::METADATA;
$
return GodotTypeInfo::METADATA_NONE;
}
Variant::Type _get_argument_type(int p_argument) const {
$ifret if (p_argument==-1) return (Variant::Type)GetTypeInfo<R>::VARIANT_TYPE;$
$arg if (p_argument==(@-1)) return (Variant::Type)GetTypeInfo<P@>::VARIANT_TYPE;
$
return Variant::NIL;
}
virtual PropertyInfo _gen_argument_type_info(int p_argument) const {
$ifret if (p_argument==-1) return GetTypeInfo<R>::get_class_info();$
$arg if (p_argument==(@-1)) return GetTypeInfo<P@>::get_class_info();
$
return PropertyInfo();
}
virtual String get_instance_class() const {
return T::get_class_static();
}
virtual Variant call(Object* p_object,const Variant** p_args,int p_arg_count, Variant::CallError& r_error) {
T *instance=Object::cast_to<T>(p_object);
r_error.error=Variant::CallError::CALL_OK;
#ifdef DEBUG_METHODS_ENABLED
ERR_FAIL_COND_V(!instance,Variant());
if (p_arg_count>get_argument_count()) {
r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
r_error.argument=get_argument_count();
return Variant();
}
if (p_arg_count<(get_argument_count()-get_default_argument_count())) {
r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument=get_argument_count()-get_default_argument_count();
return Variant();
}
$arg CHECK_ARG(@);
$
#endif
$ifret Variant ret = $(method)(instance$ifargs , $$arg, _VC(@)$);
$ifret return Variant(ret);$
$ifnoret return Variant();$
}
#ifdef PTRCALL_ENABLED
virtual void ptrcall(Object*p_object,const void** p_args,void *r_ret) {
T *instance=Object::cast_to<T>(p_object);
$ifret PtrToArg<R>::encode( $ (method)(instance$ifargs , $$arg, PtrToArg<P@>::convert(p_args[@-1])$) $ifret ,r_ret)$ ;
}
#endif
FunctionBind$argc$$ifret R$$ifconst C$ () {
#ifdef DEBUG_METHODS_ENABLED
_set_const($ifconst true$$ifnoconst false$);
#endif
_generate_argument_types($argc$);
$ifret _set_returns(true); $
};
};
template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
MethodBind* create_method_bind($ifret R$ $ifnoret void$ (*p_method)($ifconst const$ T *$ifargs , $$arg, P@$) ) {
FunctionBind$argc$$ifret R$$ifconst C$<T $ifret ,R$ $ifargs ,$ $arg, P@$> * a = memnew( (FunctionBind$argc$$ifret R$$ifconst C$<T $ifret ,R$ $ifargs ,$ $arg, P@$>) );
a->method=p_method;
return a;
}
#endif
"""
def make_version(template, nargs, argmax, const, ret):
intext = template
from_pos = 0
outtext = ""
while True:
to_pos = intext.find("$", from_pos)
if to_pos == -1:
outtext += intext[from_pos:]
break
else:
outtext += intext[from_pos:to_pos]
end = intext.find("$", to_pos + 1)
if end == -1:
break # ignore
macro = intext[to_pos + 1 : end]
cmd = ""
data = ""
if macro.find(" ") != -1:
cmd = macro[0 : macro.find(" ")]
data = macro[macro.find(" ") + 1 :]
else:
cmd = macro
if cmd == "argc":
outtext += str(nargs)
if cmd == "ifret" and ret:
outtext += data
if cmd == "ifargs" and nargs:
outtext += data
if cmd == "ifretargs" and nargs and ret:
outtext += data
if cmd == "ifconst" and const:
outtext += data
elif cmd == "ifnoconst" and not const:
outtext += data
elif cmd == "ifnoret" and not ret:
outtext += data
elif cmd == "iftempl" and (nargs > 0 or ret):
outtext += data
elif cmd == "arg,":
for i in range(1, nargs + 1):
if i > 1:
outtext += ", "
outtext += data.replace("@", str(i))
elif cmd == "arg":
for i in range(1, nargs + 1):
outtext += data.replace("@", str(i))
elif cmd == "noarg":
for i in range(nargs + 1, argmax + 1):
outtext += data.replace("@", str(i))
from_pos = end + 1
return outtext
def run(target, source, env):
versions = 13
versions_ext = 6
text = ""
text_ext = ""
text_free_func = "#ifndef METHOD_BIND_FREE_FUNC_H\n#define METHOD_BIND_FREE_FUNC_H\n"
text_free_func += "\n//including this header file allows method binding to use free functions\n"
text_free_func += (
"//note that the free function must have a pointer to an instance of the class as its first parameter\n"
)
for i in range(0, versions + 1):
t = ""
t += make_version(template, i, versions, False, False)
t += make_version(template_typed, i, versions, False, False)
t += make_version(template, i, versions, False, True)
t += make_version(template_typed, i, versions, False, True)
t += make_version(template, i, versions, True, False)
t += make_version(template_typed, i, versions, True, False)
t += make_version(template, i, versions, True, True)
t += make_version(template_typed, i, versions, True, True)
if i >= versions_ext:
text_ext += t
else:
text += t
text_free_func += make_version(template_typed_free_func, i, versions, False, False)
text_free_func += make_version(template_typed_free_func, i, versions, False, True)
text_free_func += make_version(template_typed_free_func, i, versions, True, False)
text_free_func += make_version(template_typed_free_func, i, versions, True, True)
text_free_func += "#endif"
with open(target[0], "w") as f:
f.write(text)
with open(target[1], "w") as f:
f.write(text_ext)
with open(target[2], "w") as f:
f.write(text_free_func)
if __name__ == "__main__":
from platform_methods import subprocess_main
subprocess_main(globals())
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