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Use Array.Empty instead of allocating a every time

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Use `System.Array.Empty<T>` to get an empty array instead of allocating
a new one every time. Since arrays are immutable there is no need to
allocate them every time.
This commit is contained in:
Raul Santos 2021-07-25 13:46:31 +02:00
parent 8932b55011
commit accd05f4ad
4 changed files with 31 additions and 21 deletions
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14
modules/mono/editor/GodotTools/GodotTools/Export/ExportPlugin.cs
View file

@ -76,9 +76,9 @@ namespace GodotTools.Export
GlobalDef("mono/export/aot/use_interpreter", true);
// --aot or --aot=opt1,opt2 (use 'mono --aot=help AuxAssembly.dll' to list AOT options)
GlobalDef("mono/export/aot/extra_aot_options", new string[] { });
GlobalDef("mono/export/aot/extra_aot_options", Array.Empty<string>());
// --optimize/-O=opt1,opt2 (use 'mono --list-opt'' to list optimize options)
GlobalDef("mono/export/aot/extra_optimizer_options", new string[] { });
GlobalDef("mono/export/aot/extra_optimizer_options", Array.Empty<string>());
GlobalDef("mono/export/aot/android_toolchain_path", "");
}
@ -188,7 +188,7 @@ namespace GodotTools.Export
// However, at least in the case of 'WebAssembly.Net.Http' for some reason the BCL assemblies
// reference a different version even though the assembly is the same, for some weird reason.
var wasmFrameworkAssemblies = new[] {"WebAssembly.Bindings", "WebAssembly.Net.WebSockets"};
var wasmFrameworkAssemblies = new[] { "WebAssembly.Bindings", "WebAssembly.Net.WebSockets" };
foreach (string thisWasmFrameworkAssemblyName in wasmFrameworkAssemblies)
{
@ -298,8 +298,8 @@ namespace GodotTools.Export
LLVMOutputPath = "",
FullAot = platform == OS.Platforms.iOS || (bool)(ProjectSettings.GetSetting("mono/export/aot/full_aot") ?? false),
UseInterpreter = (bool)ProjectSettings.GetSetting("mono/export/aot/use_interpreter"),
ExtraAotOptions = (string[])ProjectSettings.GetSetting("mono/export/aot/extra_aot_options") ?? new string[] { },
ExtraOptimizerOptions = (string[])ProjectSettings.GetSetting("mono/export/aot/extra_optimizer_options") ?? new string[] { },
ExtraAotOptions = (string[])ProjectSettings.GetSetting("mono/export/aot/extra_aot_options") ?? Array.Empty<string>(),
ExtraOptimizerOptions = (string[])ProjectSettings.GetSetting("mono/export/aot/extra_optimizer_options") ?? Array.Empty<string>(),
ToolchainPath = aotToolchainPath
};
@ -381,7 +381,7 @@ namespace GodotTools.Export
private static bool PlatformHasTemplateDir(string platform)
{
// OSX export templates are contained in a zip, so we place our custom template inside it and let Godot do the rest.
return !new[] {OS.Platforms.MacOS, OS.Platforms.Android, OS.Platforms.iOS, OS.Platforms.HTML5}.Contains(platform);
return !new[] { OS.Platforms.MacOS, OS.Platforms.Android, OS.Platforms.iOS, OS.Platforms.HTML5 }.Contains(platform);
}
private static bool DeterminePlatformFromFeatures(IEnumerable<string> features, out string platform)
@ -430,7 +430,7 @@ namespace GodotTools.Export
/// </summary>
private static bool PlatformRequiresCustomBcl(string platform)
{
if (new[] {OS.Platforms.Android, OS.Platforms.iOS, OS.Platforms.HTML5}.Contains(platform))
if (new[] { OS.Platforms.Android, OS.Platforms.iOS, OS.Platforms.HTML5 }.Contains(platform))
return true;
// The 'net_4_x' BCL is not compatible between Windows and the other platforms.

8
modules/mono/editor/GodotTools/GodotTools/Ides/Rider/RiderPathLocator.cs
View file

@ -47,7 +47,7 @@ namespace GodotTools.Ides.Rider
GD.PushWarning(e.Message);
}
return new RiderInfo[0];
return Array.Empty<RiderInfo>();
}
private static RiderInfo[] CollectAllRiderPathsLinux()
@ -249,7 +249,7 @@ namespace GodotTools.Ides.Rider
bool isMac)
{
if (!Directory.Exists(toolboxRiderRootPath))
return new string[0];
return Array.Empty<string>();
var channelDirs = Directory.GetDirectories(toolboxRiderRootPath);
var paths = channelDirs.SelectMany(channelDir =>
@ -295,7 +295,7 @@ namespace GodotTools.Ides.Rider
Logger.Warn($"Failed to get RiderPath from {channelDir}", e);
}
return new string[0];
return Array.Empty<string>();
})
.Where(c => !string.IsNullOrEmpty(c))
.ToArray();
@ -306,7 +306,7 @@ namespace GodotTools.Ides.Rider
{
var folder = new DirectoryInfo(Path.Combine(buildDir, dirName));
if (!folder.Exists)
return new string[0];
return Array.Empty<string>();
if (!isMac)
return new[] { Path.Combine(folder.FullName, searchPattern) }.Where(File.Exists).ToArray();

14
modules/mono/editor/GodotTools/GodotTools/Utils/OS.cs
View file

@ -74,10 +74,10 @@ namespace GodotTools.Utils
}
private static readonly IEnumerable<string> LinuxBSDPlatforms =
new[] {Names.Linux, Names.FreeBSD, Names.NetBSD, Names.BSD};
new[] { Names.Linux, Names.FreeBSD, Names.NetBSD, Names.BSD };
private static readonly IEnumerable<string> UnixLikePlatforms =
new[] {Names.MacOS, Names.Server, Names.Haiku, Names.Android, Names.iOS}
new[] { Names.MacOS, Names.Server, Names.Haiku, Names.Android, Names.iOS }
.Concat(LinuxBSDPlatforms).ToArray();
private static readonly Lazy<bool> _isWindows = new Lazy<bool>(() => IsOS(Names.Windows));
@ -111,7 +111,7 @@ namespace GodotTools.Utils
private static string PathWhichWindows([NotNull] string name)
{
string[] windowsExts = Environment.GetEnvironmentVariable("PATHEXT")?.Split(PathSep) ?? new string[] { };
string[] windowsExts = Environment.GetEnvironmentVariable("PATHEXT")?.Split(PathSep) ?? Array.Empty<string>();
string[] pathDirs = Environment.GetEnvironmentVariable("PATH")?.Split(PathSep);
var searchDirs = new List<string>();
@ -128,10 +128,10 @@ namespace GodotTools.Utils
return searchDirs.Select(dir => Path.Combine(dir, name)).FirstOrDefault(File.Exists);
return (from dir in searchDirs
select Path.Combine(dir, name)
select Path.Combine(dir, name)
into path
from ext in windowsExts
select path + ext).FirstOrDefault(File.Exists);
from ext in windowsExts
select path + ext).FirstOrDefault(File.Exists);
}
private static string PathWhichUnix([NotNull] string name)
@ -196,7 +196,7 @@ namespace GodotTools.Utils
startInfo.UseShellExecute = false;
using (var process = new Process {StartInfo = startInfo})
using (var process = new Process { StartInfo = startInfo })
{
process.Start();
process.WaitForExit();

16
modules/mono/editor/bindings_generator.cpp
View file

@ -1737,7 +1737,12 @@ Error BindingsGenerator::_generate_cs_method(const BindingsGenerator::TypeInterf
cs_in_statements += " : ";
}
String def_arg = sformat(iarg.default_argument, arg_type->cs_type);
String cs_type = arg_type->cs_type;
if (cs_type.ends_with("[]")) {
cs_type = cs_type.substr(0, cs_type.length() - 2);
}
String def_arg = sformat(iarg.default_argument, cs_type);
cs_in_statements += def_arg;
cs_in_statements += ";\n" INDENT3;
@ -1746,8 +1751,10 @@ Error BindingsGenerator::_generate_cs_method(const BindingsGenerator::TypeInterf
// Apparently the name attribute must not include the @
String param_tag_name = iarg.name.begins_with("@") ? iarg.name.substr(1, iarg.name.length()) : iarg.name;
// Escape < and > in the attribute default value
String param_def_arg = def_arg.replacen("<", "&lt;").replacen(">", "&gt;");
default_args_doc.append(MEMBER_BEGIN "/// <param name=\"" + param_tag_name + "\">If the parameter is null, then the default value is " + def_arg + "</param>");
default_args_doc.append(MEMBER_BEGIN "/// <param name=\"" + param_tag_name + "\">If the parameter is null, then the default value is " + param_def_arg + "</param>");
} else {
icall_params += arg_type->cs_in.is_empty() ? iarg.name : sformat(arg_type->cs_in, iarg.name);
}
@ -3072,6 +3079,9 @@ bool BindingsGenerator::_arg_default_value_from_variant(const Variant &p_val, Ar
r_iarg.default_argument = "null";
break;
case Variant::ARRAY:
r_iarg.default_argument = "new %s { }";
r_iarg.def_param_mode = ArgumentInterface::NULLABLE_REF;
break;
case Variant::PACKED_BYTE_ARRAY:
case Variant::PACKED_INT32_ARRAY:
case Variant::PACKED_INT64_ARRAY:
@ -3081,7 +3091,7 @@ bool BindingsGenerator::_arg_default_value_from_variant(const Variant &p_val, Ar
case Variant::PACKED_VECTOR2_ARRAY:
case Variant::PACKED_VECTOR3_ARRAY:
case Variant::PACKED_COLOR_ARRAY:
r_iarg.default_argument = "new %s {}";
r_iarg.default_argument = "Array.Empty<%s>()";
r_iarg.def_param_mode = ArgumentInterface::NULLABLE_REF;
break;
case Variant::TRANSFORM2D: {