c5bd0c37ce
- Refactored all builder (make_*) functions into separate Python modules along to the build tree - Introduced utility function to wrap all invocations on Windows, but does not change it elsewhere - Introduced stub to use the builders module as a stand alone script and invoke a selected function There is a problem with file handles related to writing generated content (*.gen.h and *.gen.cpp) on Windows, which randomly causes a SHARING VIOLATION error to the compiler resulting in flaky builds. Running all such content generators in a new subprocess instead of directly inside the build script works around the issue. Yes, I tried the multiprocessing module. It did not work due to conflict with SCons on cPickle. Suggested workaround did not fully work either. Using the run_in_subprocess wrapper on osx and x11 platforms as well for consistency. In case of running a cross-compilation on Windows they would still be used, but likely it will not happen in practice. What counts is that the build itself is running on which platform, not the target platform. Some generated files are written directly in an SConstruct or SCsub file, before the parallel build starts. They don't need to be written in a subprocess, apparently, so I left them as is.
278 lines
8.4 KiB
Python
278 lines
8.4 KiB
Python
# -*- coding: ibm850 -*-
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from platform_methods import subprocess_main
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template_typed = """
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#ifdef TYPED_METHOD_BIND
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template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
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class MethodBind$argc$$ifret R$$ifconst C$ : public MethodBind {
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public:
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$ifret R$ $ifnoret void$ (T::*method)($arg, P@$) $ifconst const$;
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#ifdef DEBUG_METHODS_ENABLED
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virtual Variant::Type _gen_argument_type(int p_arg) const { return _get_argument_type(p_arg); }
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Variant::Type _get_argument_type(int p_argument) const {
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$ifret if (p_argument==-1) return (Variant::Type)GetTypeInfo<R>::VARIANT_TYPE;$
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$arg if (p_argument==(@-1)) return (Variant::Type)GetTypeInfo<P@>::VARIANT_TYPE;
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$
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return Variant::NIL;
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}
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virtual PropertyInfo _gen_argument_type_info(int p_argument) const {
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$ifret if (p_argument==-1) return GetTypeInfo<R>::get_class_info();$
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$arg if (p_argument==(@-1)) return GetTypeInfo<P@>::get_class_info();
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$
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return PropertyInfo();
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}
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#endif
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virtual String get_instance_class() const {
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return T::get_class_static();
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}
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virtual Variant call(Object* p_object,const Variant** p_args,int p_arg_count, Variant::CallError& r_error) {
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T *instance=Object::cast_to<T>(p_object);
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r_error.error=Variant::CallError::CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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ERR_FAIL_COND_V(!instance,Variant());
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if (p_arg_count>get_argument_count()) {
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r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument=get_argument_count();
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return Variant();
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}
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if (p_arg_count<(get_argument_count()-get_default_argument_count())) {
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r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument=get_argument_count()-get_default_argument_count();
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return Variant();
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}
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$arg CHECK_ARG(@);
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$
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#endif
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$ifret Variant ret = $(instance->*method)($arg, _VC(@)$);
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$ifret return Variant(ret);$
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$ifnoret return Variant();$
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}
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#ifdef PTRCALL_ENABLED
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virtual void ptrcall(Object*p_object,const void** p_args,void *r_ret) {
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T *instance=Object::cast_to<T>(p_object);
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$ifret PtrToArg<R>::encode( $ (instance->*method)($arg, PtrToArg<P@>::convert(p_args[@-1])$) $ifret ,r_ret)$ ;
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}
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#endif
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MethodBind$argc$$ifret R$$ifconst C$ () {
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#ifdef DEBUG_METHODS_ENABLED
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_set_const($ifconst true$$ifnoconst false$);
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_generate_argument_types($argc$);
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#else
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set_argument_count($argc$);
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#endif
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$ifret _set_returns(true); $
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};
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};
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template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
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MethodBind* create_method_bind($ifret R$ $ifnoret void$ (T::*p_method)($arg, P@$) $ifconst const$ ) {
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MethodBind$argc$$ifret R$$ifconst C$<T $ifret ,R$ $ifargs ,$ $arg, P@$> * a = memnew( (MethodBind$argc$$ifret R$$ifconst C$<T $ifret ,R$ $ifargs ,$ $arg, P@$>) );
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a->method=p_method;
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return a;
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}
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#endif
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"""
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template = """
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#ifndef TYPED_METHOD_BIND
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$iftempl template<$ $ifret class R$ $ifretargs ,$ $arg, class P@$ $iftempl >$
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class MethodBind$argc$$ifret R$$ifconst C$ : public MethodBind {
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public:
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StringName type_name;
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$ifret R$ $ifnoret void$ (__UnexistingClass::*method)($arg, P@$) $ifconst const$;
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#ifdef DEBUG_METHODS_ENABLED
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virtual Variant::Type _gen_argument_type(int p_arg) const { return _get_argument_type(p_arg); }
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Variant::Type _get_argument_type(int p_argument) const {
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$ifret if (p_argument==-1) return (Variant::Type)GetTypeInfo<R>::VARIANT_TYPE;$
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$arg if (p_argument==(@-1)) return (Variant::Type)GetTypeInfo<P@>::VARIANT_TYPE;
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$
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return Variant::NIL;
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}
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virtual PropertyInfo _gen_argument_type_info(int p_argument) const {
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$ifret if (p_argument==-1) return GetTypeInfo<R>::get_class_info();$
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$arg if (p_argument==(@-1)) return GetTypeInfo<P@>::get_class_info();
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$
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return PropertyInfo();
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}
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#endif
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virtual String get_instance_class() const {
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return type_name;
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}
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virtual Variant call(Object* p_object,const Variant** p_args,int p_arg_count, Variant::CallError& r_error) {
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__UnexistingClass *instance = (__UnexistingClass*)p_object;
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r_error.error=Variant::CallError::CALL_OK;
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#ifdef DEBUG_METHODS_ENABLED
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ERR_FAIL_COND_V(!instance,Variant());
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if (p_arg_count>get_argument_count()) {
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r_error.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_error.argument=get_argument_count();
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return Variant();
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}
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if (p_arg_count<(get_argument_count()-get_default_argument_count())) {
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r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument=get_argument_count()-get_default_argument_count();
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return Variant();
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}
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$arg CHECK_ARG(@);
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$
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#endif
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$ifret Variant ret = $(instance->*method)($arg, _VC(@)$);
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$ifret return Variant(ret);$
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$ifnoret return Variant();$
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}
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#ifdef PTRCALL_ENABLED
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virtual void ptrcall(Object*p_object,const void** p_args,void *r_ret) {
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__UnexistingClass *instance = (__UnexistingClass*)p_object;
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$ifret PtrToArg<R>::encode( $ (instance->*method)($arg, PtrToArg<P@>::convert(p_args[@-1])$) $ifret ,r_ret) $ ;
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}
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#endif
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MethodBind$argc$$ifret R$$ifconst C$ () {
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#ifdef DEBUG_METHODS_ENABLED
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_set_const($ifconst true$$ifnoconst false$);
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_generate_argument_types($argc$);
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#else
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set_argument_count($argc$);
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#endif
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$ifret _set_returns(true); $
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};
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};
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template<class T $ifret ,class R$ $ifargs ,$ $arg, class P@$>
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MethodBind* create_method_bind($ifret R$ $ifnoret void$ (T::*p_method)($arg, P@$) $ifconst const$ ) {
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MethodBind$argc$$ifret R$$ifconst C$ $iftempl <$ $ifret R$ $ifretargs ,$ $arg, P@$ $iftempl >$ * a = memnew( (MethodBind$argc$$ifret R$$ifconst C$ $iftempl <$ $ifret R$ $ifretargs ,$ $arg, P@$ $iftempl >$) );
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union {
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$ifret R$ $ifnoret void$ (T::*sm)($arg, P@$) $ifconst const$;
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$ifret R$ $ifnoret void$ (__UnexistingClass::*dm)($arg, P@$) $ifconst const$;
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} u;
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u.sm=p_method;
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a->method=u.dm;
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a->type_name=T::get_class_static();
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return a;
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}
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#endif
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"""
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def make_version(template, nargs, argmax, const, ret):
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intext = template
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from_pos = 0
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outtext = ""
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while(True):
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to_pos = intext.find("$", from_pos)
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if (to_pos == -1):
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outtext += intext[from_pos:]
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break
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else:
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outtext += intext[from_pos:to_pos]
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end = intext.find("$", to_pos + 1)
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if (end == -1):
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break # ignore
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macro = intext[to_pos + 1:end]
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cmd = ""
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data = ""
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if (macro.find(" ") != -1):
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cmd = macro[0:macro.find(" ")]
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data = macro[macro.find(" ") + 1:]
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else:
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cmd = macro
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if (cmd == "argc"):
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outtext += str(nargs)
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if (cmd == "ifret" and ret):
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outtext += data
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if (cmd == "ifargs" and nargs):
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outtext += data
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if (cmd == "ifretargs" and nargs and ret):
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outtext += data
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if (cmd == "ifconst" and const):
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outtext += data
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elif (cmd == "ifnoconst" and not const):
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outtext += data
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elif (cmd == "ifnoret" and not ret):
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outtext += data
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elif (cmd == "iftempl" and (nargs > 0 or ret)):
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outtext += data
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elif (cmd == "arg,"):
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for i in range(1, nargs + 1):
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if (i > 1):
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outtext += ", "
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outtext += data.replace("@", str(i))
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elif (cmd == "arg"):
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for i in range(1, nargs + 1):
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outtext += data.replace("@", str(i))
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elif (cmd == "noarg"):
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for i in range(nargs + 1, argmax + 1):
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outtext += data.replace("@", str(i))
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elif (cmd == "noarg"):
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for i in range(nargs + 1, argmax + 1):
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outtext += data.replace("@", str(i))
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from_pos = end + 1
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return outtext
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def run(target, source, env):
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versions = 13
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versions_ext = 6
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text = ""
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text_ext = ""
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for i in range(0, versions + 1):
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t = ""
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t += make_version(template, i, versions, False, False)
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t += make_version(template_typed, i, versions, False, False)
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t += make_version(template, i, versions, False, True)
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t += make_version(template_typed, i, versions, False, True)
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t += make_version(template, i, versions, True, False)
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t += make_version(template_typed, i, versions, True, False)
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t += make_version(template, i, versions, True, True)
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t += make_version(template_typed, i, versions, True, True)
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if (i >= versions_ext):
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text_ext += t
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else:
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text += t
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with open(target[0], "w") as f:
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f.write(text)
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with open(target[1], "w") as f:
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f.write(text_ext)
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if __name__ == '__main__':
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subprocess_main(globals())
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