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360dea5348
* Ability to create script languages from GDExtension * Some additions to gdnative_extension.h to make this happen * Moved the GDExtension binder to core This now allows creating scripting languages from GDExtension, with the same ease as if it was a module. It replaces the old PluginScript from Godot 3.x. Warning: GodotCPP will need to be updated to support this (it may be a bit of work as ScriptInstance needs to be created over there again).
94 lines
2.2 KiB
Python
94 lines
2.2 KiB
Python
proto = """
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#define EXBIND$VER($RETTYPE m_name$ARG) \\
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GDVIRTUAL$VER($RETTYPE_##m_name$ARG)\\
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virtual $RETVAL m_name($FUNCARGS) $CONST override { \\
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$RETPRE\\
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GDVIRTUAL_REQUIRED_CALL(_##m_name$CALLARGS$RETREF);\\
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$RETPOST\\
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}
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"""
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def generate_version(argcount, const=False, returns=False):
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s = proto
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sproto = str(argcount)
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method_info = ""
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if returns:
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sproto += "R"
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s = s.replace("$RETTYPE", "m_ret, ")
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s = s.replace("$RETVAL", "m_ret")
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s = s.replace("$RETPRE", "m_ret ret; ZeroInitializer<m_ret>::initialize(ret);\\\n")
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s = s.replace("$RETPOST", "return ret;\\\n")
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else:
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s = s.replace("$RETTYPE", "")
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s = s.replace("$RETVAL", "void")
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s = s.replace("$RETPRE", "")
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s = s.replace("$RETPOST", "return;")
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if const:
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sproto += "C"
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s = s.replace("$CONST", "const")
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else:
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s = s.replace("$CONST", "")
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s = s.replace("$VER", sproto)
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argtext = ""
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funcargs = ""
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callargs = ""
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for i in range(argcount):
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if i > 0:
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funcargs += ", "
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argtext += ", m_type" + str(i + 1)
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funcargs += "m_type" + str(i + 1) + " arg" + str(i + 1)
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callargs += ", arg" + str(i + 1)
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if argcount:
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s = s.replace("$ARG", argtext)
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s = s.replace("$FUNCARGS", funcargs)
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s = s.replace("$CALLARGS", callargs)
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else:
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s = s.replace("$ARG", "")
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s = s.replace("$FUNCARGS", funcargs)
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s = s.replace("$CALLARGS", callargs)
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if returns:
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s = s.replace("$RETREF", ", ret")
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else:
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s = s.replace("$RETREF", "")
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return s
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def run(target, source, env):
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max_versions = 12
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txt = """
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#ifndef GDEXTENSION_WRAPPERS_GEN_H
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#define GDEXTENSION_WRAPPERS_GEN_H
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"""
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for i in range(max_versions + 1):
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txt += "/* " + str(i) + " Arguments */\n\n"
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txt += generate_version(i, False, False)
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txt += generate_version(i, False, True)
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txt += generate_version(i, True, False)
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txt += generate_version(i, True, True)
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txt += "#endif"
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with open(target[0], "w") as f:
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f.write(txt)
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if __name__ == "__main__":
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from platform_methods import subprocess_main
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subprocess_main(globals())
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