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GDScript: Allow utility functions to be used as Callable

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This commit is contained in:
Danil Alexeev 2024-01-05 13:56:42 +03:00
parent 179dfdc8d7
commit b31acb0cd5
No known key found for this signature in database
GPG Key ID: 124453E157DA8DC7
5 changed files with 219 additions and 20 deletions
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49
modules/gdscript/gdscript_analyzer.cpp
View File

@ -31,6 +31,7 @@
#include "gdscript_analyzer.h"
#include "gdscript.h"
#include "gdscript_utility_callable.h"
#include "gdscript_utility_functions.h"
#include "core/config/engine.h"
@ -3410,8 +3411,8 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool p_is_a
if (!found && (is_self || (base_type.is_hard_type() && base_type.kind == GDScriptParser::DataType::BUILTIN))) {
String base_name = is_self && !p_call->is_super ? "self" : base_type.to_string();
#ifdef SUGGEST_GODOT4_RENAMES
String rename_hint = String();
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::Code::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
String rename_hint;
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
const char *renamed_function_name = check_for_renamed_identifier(p_call->function_name, p_call->type);
if (renamed_function_name) {
rename_hint = " " + vformat(R"(Did you mean to use "%s"?)", String(renamed_function_name) + "()");
@ -3620,8 +3621,8 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod
p_identifier->set_datatype(type_from_variant(result, p_identifier));
} else if (base.is_hard_type()) {
#ifdef SUGGEST_GODOT4_RENAMES
String rename_hint = String();
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::Code::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
String rename_hint;
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
const char *renamed_identifier_name = check_for_renamed_identifier(name, p_identifier->type);
if (renamed_identifier_name) {
rename_hint = " " + vformat(R"(Did you mean to use "%s"?)", renamed_identifier_name);
@ -3664,8 +3665,8 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod
}
if (base.is_hard_type()) {
#ifdef SUGGEST_GODOT4_RENAMES
String rename_hint = String();
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::Code::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
String rename_hint;
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
const char *renamed_identifier_name = check_for_renamed_identifier(name, p_identifier->type);
if (renamed_identifier_name) {
rename_hint = " " + vformat(R"(Did you mean to use "%s"?)", renamed_identifier_name);
@ -4117,6 +4118,19 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident
return;
}
if (Variant::has_utility_function(name) || GDScriptUtilityFunctions::function_exists(name)) {
p_identifier->is_constant = true;
p_identifier->reduced_value = Callable(memnew(GDScriptUtilityCallable(name)));
MethodInfo method_info;
if (GDScriptUtilityFunctions::function_exists(name)) {
method_info = GDScriptUtilityFunctions::get_function_info(name);
} else {
method_info = Variant::get_utility_function_info(name);
}
p_identifier->set_datatype(make_callable_type(method_info));
return;
}
// Allow "Variant" here since it might be used for nested enums.
if (can_be_builtin && name == SNAME("Variant")) {
GDScriptParser::DataType variant;
@ -4129,23 +4143,18 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident
}
// Not found.
// Check if it's a builtin function.
if (GDScriptUtilityFunctions::function_exists(name)) {
push_error(vformat(R"(Built-in function "%s" cannot be used as an identifier.)", name), p_identifier);
} else {
#ifdef SUGGEST_GODOT4_RENAMES
String rename_hint = String();
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::Code::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
const char *renamed_identifier_name = check_for_renamed_identifier(name, p_identifier->type);
if (renamed_identifier_name) {
rename_hint = " " + vformat(R"(Did you mean to use "%s"?)", renamed_identifier_name);
}
String rename_hint;
if (GLOBAL_GET(GDScriptWarning::get_settings_path_from_code(GDScriptWarning::RENAMED_IN_GODOT_4_HINT)).booleanize()) {
const char *renamed_identifier_name = check_for_renamed_identifier(name, p_identifier->type);
if (renamed_identifier_name) {
rename_hint = " " + vformat(R"(Did you mean to use "%s"?)", renamed_identifier_name);
}
push_error(vformat(R"(Identifier "%s" not declared in the current scope.%s)", name, rename_hint), p_identifier);
#else
push_error(vformat(R"(Identifier "%s" not declared in the current scope.)", name), p_identifier);
#endif // SUGGEST_GODOT4_RENAMES
}
push_error(vformat(R"(Identifier "%s" not declared in the current scope.%s)", name, rename_hint), p_identifier);
#else
push_error(vformat(R"(Identifier "%s" not declared in the current scope.)", name), p_identifier);
#endif // SUGGEST_GODOT4_RENAMES
GDScriptParser::DataType dummy;
dummy.kind = GDScriptParser::DataType::VARIANT;
p_identifier->set_datatype(dummy); // Just so type is set to something.

108
modules/gdscript/gdscript_utility_callable.cpp Normal file
View File

@ -0,0 +1,108 @@
/**************************************************************************/
/* gdscript_utility_callable.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include "gdscript_utility_callable.h"
#include "core/templates/hashfuncs.h"
bool GDScriptUtilityCallable::compare_equal(const CallableCustom *p_a, const CallableCustom *p_b) {
return p_a->hash() == p_b->hash();
}
bool GDScriptUtilityCallable::compare_less(const CallableCustom *p_a, const CallableCustom *p_b) {
return p_a->hash() < p_b->hash();
}
uint32_t GDScriptUtilityCallable::hash() const {
return h;
}
String GDScriptUtilityCallable::get_as_text() const {
String scope;
switch (type) {
case TYPE_INVALID:
scope = "<invalid scope>";
break;
case TYPE_GLOBAL:
scope = "@GlobalScope";
break;
case TYPE_GDSCRIPT:
scope = "@GDScript";
break;
}
return vformat("%s::%s (Callable)", scope, function_name);
}
CallableCustom::CompareEqualFunc GDScriptUtilityCallable::get_compare_equal_func() const {
return compare_equal;
}
CallableCustom::CompareLessFunc GDScriptUtilityCallable::get_compare_less_func() const {
return compare_less;
}
bool GDScriptUtilityCallable::is_valid() const {
return type != TYPE_INVALID;
}
StringName GDScriptUtilityCallable::get_method() const {
return function_name;
}
ObjectID GDScriptUtilityCallable::get_object() const {
return ObjectID();
}
void GDScriptUtilityCallable::call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
switch (type) {
case TYPE_INVALID:
ERR_PRINT(vformat(R"(Trying to call invalid utility function "%s".)", function_name));
break;
case TYPE_GLOBAL:
Variant::call_utility_function(function_name, &r_return_value, p_arguments, p_argcount, r_call_error);
break;
case TYPE_GDSCRIPT:
gdscript_function(&r_return_value, p_arguments, p_argcount, r_call_error);
break;
}
}
GDScriptUtilityCallable::GDScriptUtilityCallable(const StringName &p_function_name) {
function_name = p_function_name;
if (GDScriptUtilityFunctions::function_exists(p_function_name)) {
type = TYPE_GDSCRIPT;
gdscript_function = GDScriptUtilityFunctions::get_function(p_function_name);
} else if (Variant::has_utility_function(p_function_name)) {
type = TYPE_GLOBAL;
} else {
ERR_PRINT(vformat(R"(Unknown utility function "%s".)", p_function_name));
}
h = p_function_name.hash();
}

65
modules/gdscript/gdscript_utility_callable.h Normal file
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@ -0,0 +1,65 @@
/**************************************************************************/
/* gdscript_utility_callable.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#ifndef GDSCRIPT_UTILITY_CALLABLE_H
#define GDSCRIPT_UTILITY_CALLABLE_H
#include "gdscript_utility_functions.h"
#include "core/variant/callable.h"
class GDScriptUtilityCallable : public CallableCustom {
StringName function_name;
enum Type {
TYPE_INVALID,
TYPE_GLOBAL,
TYPE_GDSCRIPT,
};
Type type = TYPE_INVALID;
GDScriptUtilityFunctions::FunctionPtr gdscript_function = nullptr;
uint32_t h = 0;
static bool compare_equal(const CallableCustom *p_a, const CallableCustom *p_b);
static bool compare_less(const CallableCustom *p_a, const CallableCustom *p_b);
public:
uint32_t hash() const override;
String get_as_text() const override;
CompareEqualFunc get_compare_equal_func() const override;
CompareLessFunc get_compare_less_func() const override;
bool is_valid() const override;
StringName get_method() const override;
ObjectID get_object() const override;
void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;
GDScriptUtilityCallable(const StringName &p_function_name);
};
#endif // GDSCRIPT_UTILITY_CALLABLE_H

10
modules/gdscript/tests/scripts/runtime/features/utility_func_as_callable.gd Normal file
View File

@ -0,0 +1,10 @@
func test():
print(print)
print(len)
prints.callv([1, 2, 3])
print(mini.call(1, 2))
print(len.bind("abc").call())
const ABSF = absf
print(ABSF.call(-1.2))

7
modules/gdscript/tests/scripts/runtime/features/utility_func_as_callable.out Normal file
View File

@ -0,0 +1,7 @@
GDTEST_OK
@GlobalScope::print (Callable)
@GDScript::len (Callable)
1 2 3
1
3
1.2