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Oct 17, 2024
Merged

Optimize: standard libraries #41

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147 changes: 73 additions & 74 deletions src/Lua/Standard/BasicLibrary.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,66 +4,65 @@

namespace Lua.Standard;

public static class BasicLibrary
public sealed class BasicLibrary
{
public static void OpenBasicLibrary(this LuaState state)
{
state.Environment["_G"] = state.Environment;
state.Environment["_VERSION"] = "Lua 5.2";
foreach (var func in Functions)
{
state.Environment[func.Name] = func;
}
}
public static readonly BasicLibrary Instance = new();

static readonly LuaFunction[] Functions = [
new("assert", Assert),
new("collectgarbage", CollectGarbage),
new("dofile", DoFile),
new("error", Error),
new("getmetatable", GetMetatable),
new("ipairs", IPairs),
new("loadfile", LoadFile),
new("load", Load),
new("next", Next),
new("pairs", Pairs),
new("pcall", PCall),
new("print", Print),
new("rawequal", RawEqual),
new("rawget", RawGet),
new("rawlen", RawLen),
new("rawset", RawSet),
new("select", Select),
new("setmetatable", SetMetatable),
new("tonumber", ToNumber),
new("tostring", ToString),
new("type", Type),
new("xpcall", XPCall),
];

static readonly LuaFunction IPairsIterator = new("iterator", (context, buffer, cancellationToken) =>
public BasicLibrary()
{
var table = context.GetArgument<LuaTable>(0);
var i = context.GetArgument<double>(1);
Functions = [
new("assert", Assert),
new("collectgarbage", CollectGarbage),
new("dofile", DoFile),
new("error", Error),
new("getmetatable", GetMetatable),
new("ipairs", IPairs),
new("loadfile", LoadFile),
new("load", Load),
new("next", Next),
new("pairs", Pairs),
new("pcall", PCall),
new("print", Print),
new("rawequal", RawEqual),
new("rawget", RawGet),
new("rawlen", RawLen),
new("rawset", RawSet),
new("select", Select),
new("setmetatable", SetMetatable),
new("tonumber", ToNumber),
new("tostring", ToString),
new("type", Type),
new("xpcall", XPCall),
];

IPairsIterator = new("iterator", (context, buffer, cancellationToken) =>
{
var table = context.GetArgument<LuaTable>(0);
var i = context.GetArgument<double>(1);

i++;
if (table.TryGetValue(i, out var value))
{
buffer.Span[0] = i;
buffer.Span[1] = value;
}
else
{
buffer.Span[0] = LuaValue.Nil;
buffer.Span[1] = LuaValue.Nil;
}

i++;
if (table.TryGetValue(i, out var value))
{
buffer.Span[0] = i;
buffer.Span[1] = value;
}
else
{
buffer.Span[0] = LuaValue.Nil;
buffer.Span[1] = LuaValue.Nil;
}
return new(2);
});

return new(2);
});
PairsIterator = new("iterator", Next);
}

static readonly LuaFunction PairsIterator = new("iterator", Next);
public readonly LuaFunction[] Functions;
readonly LuaFunction IPairsIterator;
readonly LuaFunction PairsIterator;

public static ValueTask<int> Assert(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> Assert(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument(0);

Expand All @@ -82,13 +81,13 @@ public static ValueTask<int> Assert(LuaFunctionExecutionContext context, Memory<
return new(context.ArgumentCount);
}

public static ValueTask<int> CollectGarbage(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> CollectGarbage(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
GC.Collect();
return new(0);
}

public static async ValueTask<int> DoFile(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public async ValueTask<int> DoFile(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<string>(0);

Expand All @@ -100,7 +99,7 @@ public static async ValueTask<int> DoFile(LuaFunctionExecutionContext context, M
return await new Closure(context.State, chunk).InvokeAsync(context, buffer, cancellationToken);
}

public static ValueTask<int> Error(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> Error(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var obj = context.ArgumentCount == 0 || context.Arguments[0].Type is LuaValueType.Nil
? "(error object is a nil value)"
Expand All @@ -109,7 +108,7 @@ public static ValueTask<int> Error(LuaFunctionExecutionContext context, Memory<L
throw new LuaRuntimeException(context.State.GetTraceback(), obj!);
}

public static ValueTask<int> GetMetatable(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> GetMetatable(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument(0);

Expand All @@ -136,7 +135,7 @@ public static ValueTask<int> GetMetatable(LuaFunctionExecutionContext context, M
return new(1);
}

public static ValueTask<int> IPairs(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> IPairs(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaTable>(0);

Expand All @@ -157,7 +156,7 @@ public static ValueTask<int> IPairs(LuaFunctionExecutionContext context, Memory<
return new(3);
}

public static async ValueTask<int> LoadFile(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public async ValueTask<int> LoadFile(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
// Lua-CSharp does not support binary chunks, the mode argument is ignored.
var arg0 = context.GetArgument<string>(0);
Expand All @@ -182,7 +181,7 @@ public static async ValueTask<int> LoadFile(LuaFunctionExecutionContext context,
}
}

public static ValueTask<int> Load(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> Load(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
// Lua-CSharp does not support binary chunks, the mode argument is ignored.
var arg0 = context.GetArgument(0);
Expand Down Expand Up @@ -223,7 +222,7 @@ public static ValueTask<int> Load(LuaFunctionExecutionContext context, Memory<Lu
}
}

public static ValueTask<int> Next(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> Next(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaTable>(0);
var arg1 = context.HasArgument(1) ? context.Arguments[1] : LuaValue.Nil;
Expand All @@ -241,7 +240,7 @@ public static ValueTask<int> Next(LuaFunctionExecutionContext context, Memory<Lu
}
}

public static ValueTask<int> Pairs(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> Pairs(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaTable>(0);

Expand All @@ -262,7 +261,7 @@ public static ValueTask<int> Pairs(LuaFunctionExecutionContext context, Memory<L
return new(3);
}

public static async ValueTask<int> PCall(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public async ValueTask<int> PCall(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaFunction>(0);

Expand Down Expand Up @@ -290,7 +289,7 @@ public static async ValueTask<int> PCall(LuaFunctionExecutionContext context, Me
}
}

public static async ValueTask<int> Print(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public async ValueTask<int> Print(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
using var methodBuffer = new PooledArray<LuaValue>(1);

Expand All @@ -305,7 +304,7 @@ public static async ValueTask<int> Print(LuaFunctionExecutionContext context, Me
return 0;
}

public static ValueTask<int> RawEqual(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> RawEqual(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument(0);
var arg1 = context.GetArgument(1);
Expand All @@ -314,7 +313,7 @@ public static ValueTask<int> RawEqual(LuaFunctionExecutionContext context, Memor
return new(1);
}

public static ValueTask<int> RawGet(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> RawGet(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaTable>(0);
var arg1 = context.GetArgument(1);
Expand All @@ -323,7 +322,7 @@ public static ValueTask<int> RawGet(LuaFunctionExecutionContext context, Memory<
return new(1);
}

public static ValueTask<int> RawLen(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> RawLen(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument(0);

Expand All @@ -343,7 +342,7 @@ public static ValueTask<int> RawLen(LuaFunctionExecutionContext context, Memory<
return new(1);
}

public static ValueTask<int> RawSet(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> RawSet(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaTable>(0);
var arg1 = context.GetArgument(1);
Expand All @@ -353,7 +352,7 @@ public static ValueTask<int> RawSet(LuaFunctionExecutionContext context, Memory<
return new(0);
}

public static ValueTask<int> Select(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> Select(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument(0);

Expand Down Expand Up @@ -391,7 +390,7 @@ public static ValueTask<int> Select(LuaFunctionExecutionContext context, Memory<
}
}

public static ValueTask<int> SetMetatable(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> SetMetatable(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaTable>(0);
var arg1 = context.GetArgument(1);
Expand All @@ -418,7 +417,7 @@ public static ValueTask<int> SetMetatable(LuaFunctionExecutionContext context, M
return new(1);
}

public static ValueTask<int> ToNumber(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> ToNumber(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var e = context.GetArgument(0);
int? toBase = context.HasArgument(1)
Expand Down Expand Up @@ -554,13 +553,13 @@ static double StringToDouble(ReadOnlySpan<char> text, int toBase)
return value;
}

public static ValueTask<int> ToString(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> ToString(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument(0);
return arg0.CallToStringAsync(context, buffer, cancellationToken);
}

public static ValueTask<int> Type(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public ValueTask<int> Type(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument(0);

Expand All @@ -580,7 +579,7 @@ public static ValueTask<int> Type(LuaFunctionExecutionContext context, Memory<Lu
return new(1);
}

public static async ValueTask<int> XPCall(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
public async ValueTask<int> XPCall(LuaFunctionExecutionContext context, Memory<LuaValue> buffer, CancellationToken cancellationToken)
{
var arg0 = context.GetArgument<LuaFunction>(0);
var arg1 = context.GetArgument<LuaFunction>(1);
Expand Down
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