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Config generator emits lambdas for error path that force allocation on success path #100257

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May 13, 2024
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Original file line number Diff line number Diff line change
Expand Up @@ -569,11 +569,11 @@ private void EmitGetBinderOptionsHelper()

private void EmitEnumParseMethod()
{
string exceptionArg1 = string.Format(ExceptionMessages.FailedBinding, $"{{{Identifier.getPath}()}}", $"{{typeof(T)}}");
string exceptionArg1 = string.Format(ExceptionMessages.FailedBinding, $"{{{Identifier.path}}}", $"{{typeof(T)}}");

string parseEnumCall = _emitGenericParseEnum ? "Enum.Parse<T>(value, ignoreCase: true)" : "(T)Enum.Parse(typeof(T), value, ignoreCase: true)";
_writer.WriteLine($$"""
public static T ParseEnum<T>(string value, Func<string?> getPath) where T : struct
public static T ParseEnum<T>(string value, string? path) where T : struct
{
try
{
Expand Down Expand Up @@ -639,9 +639,9 @@ private void EmitPrimitiveParseMethod(ParsableFromStringSpec type)
}
}

string exceptionArg1 = string.Format(ExceptionMessages.FailedBinding, $"{{{Identifier.getPath}()}}", $"{{typeof({typeFQN})}}");
string exceptionArg1 = string.Format(ExceptionMessages.FailedBinding, $"{{{Identifier.path}}}", $"{{typeof({typeFQN})}}");

EmitStartBlock($"public static {typeFQN} {TypeIndex.GetParseMethodName(type)}(string {Identifier.value}, Func<string?> {Identifier.getPath})");
EmitStartBlock($"public static {typeFQN} {TypeIndex.GetParseMethodName(type)}(string {Identifier.value}, string? {Identifier.path})");
EmitEndBlock($$"""
try
{
Expand Down Expand Up @@ -1084,8 +1084,8 @@ private void EmitBindingLogic(
string parsedValueExpr = typeKind switch
{
StringParsableTypeKind.AssignFromSectionValue => stringValueToParse_Expr,
StringParsableTypeKind.Enum => $"ParseEnum<{type.TypeRef.FullyQualifiedName}>({stringValueToParse_Expr}, () => {sectionPathExpr})",
_ => $"{TypeIndex.GetParseMethodName(type)}({stringValueToParse_Expr}, () => {sectionPathExpr})",
StringParsableTypeKind.Enum => $"ParseEnum<{type.TypeRef.FullyQualifiedName}>({stringValueToParse_Expr}, {sectionPathExpr})",
_ => $"{TypeIndex.GetParseMethodName(type)}({stringValueToParse_Expr}, {sectionPathExpr})",
};

if (!checkForNullSectionValue)
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@ private static class Identifier
public const string instance = nameof(instance);
public const string optionsBuilder = nameof(optionsBuilder);
public const string originalCount = nameof(originalCount);
public const string path = nameof(path);
public const string section = nameof(section);
public const string sectionKey = nameof(sectionKey);
public const string services = nameof(services);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
instance[section.Key] = ParseInt(value, () => section.Path);
instance[section.Key] = ParseInt(value, section.Path);
}
}
}
Expand All @@ -100,7 +100,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
temp.Add(ParseInt(value, () => section.Path));
temp.Add(ParseInt(value, section.Path));
}
}
}
Expand All @@ -116,7 +116,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
temp[section.Key] = ParseInt(value, () => section.Path);
temp[section.Key] = ParseInt(value, section.Path);
}
}
}
Expand Down Expand Up @@ -217,15 +217,15 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
return binderOptions;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
instance.Add(ParseInt(value, () => section.Path));
instance.Add(ParseInt(value, section.Path));
}
}
}
Expand Down Expand Up @@ -137,7 +137,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (configuration["MyInt"] is string value1)
{
instance.MyInt = ParseInt(value1, () => configuration.GetSection("MyInt").Path);
instance.MyInt = ParseInt(value1, configuration.GetSection("MyInt").Path);
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}
else if (defaultValueIfNotFound)
{
Expand Down Expand Up @@ -219,15 +219,15 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
return binderOptions;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
instance.Add(ParseInt(value, () => section.Path));
instance.Add(ParseInt(value, section.Path));
}
}
}
Expand Down Expand Up @@ -101,7 +101,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (configuration["MyInt"] is string value1)
{
instance.MyInt = ParseInt(value1, () => configuration.GetSection("MyInt").Path);
instance.MyInt = ParseInt(value1, configuration.GetSection("MyInt").Path);
}
else if (defaultValueIfNotFound)
{
Expand Down Expand Up @@ -165,15 +165,15 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
return null;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
instance.Add(ParseInt(value, () => section.Path));
instance.Add(ParseInt(value, section.Path));
}
}
}
Expand Down Expand Up @@ -101,7 +101,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (configuration["MyInt"] is string value1)
{
instance.MyInt = ParseInt(value1, () => configuration.GetSection("MyInt").Path);
instance.MyInt = ParseInt(value1, configuration.GetSection("MyInt").Path);
}
else if (defaultValueIfNotFound)
{
Expand Down Expand Up @@ -183,15 +183,15 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
return binderOptions;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
instance.Add(ParseInt(value, () => section.Path));
instance.Add(ParseInt(value, section.Path));
}
}
}
Expand Down Expand Up @@ -101,7 +101,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (configuration["MyInt"] is string value1)
{
instance.MyInt = ParseInt(value1, () => configuration.GetSection("MyInt").Path);
instance.MyInt = ParseInt(value1, configuration.GetSection("MyInt").Path);
}
else if (defaultValueIfNotFound)
{
Expand Down Expand Up @@ -165,15 +165,15 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
return null;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -91,7 +91,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
instance.Add(ParseInt(value, () => section.Path));
instance.Add(ParseInt(value, section.Path));
}
}
}
Expand All @@ -104,7 +104,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
{
if (section.Value is string value)
{
temp2.Add(ParseInt(value, () => section.Path));
temp2.Add(ParseInt(value, section.Path));
}
}

Expand Down Expand Up @@ -135,7 +135,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (configuration["MyInt"] is string value4)
{
instance.MyInt = ParseInt(value4, () => configuration.GetSection("MyInt").Path);
instance.MyInt = ParseInt(value4, configuration.GetSection("MyInt").Path);
}
else if (defaultValueIfNotFound)
{
Expand Down Expand Up @@ -173,7 +173,7 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (configuration["MyInt"] is string value14)
{
instance.MyInt = ParseInt(value14, () => configuration.GetSection("MyInt").Path);
instance.MyInt = ParseInt(value14, configuration.GetSection("MyInt").Path);
}
else if (defaultValueIfNotFound)
{
Expand Down Expand Up @@ -240,15 +240,15 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration
return binderOptions;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -67,69 +67,69 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (type == typeof(int))
{
return ParseInt(value, () => section.Path);
return ParseInt(value, section.Path);
}
else if (type == typeof(bool?))
{
return ParseBool(value, () => section.Path);
return ParseBool(value, section.Path);
}
else if (type == typeof(byte[]))
{
return ParseByteArray(value, () => section.Path);
return ParseByteArray(value, section.Path);
}
else if (type == typeof(global::System.Globalization.CultureInfo))
{
return ParseSystemGlobalizationCultureInfo(value, () => section.Path);
return ParseSystemGlobalizationCultureInfo(value, section.Path);
}

return null;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}

public static bool ParseBool(string value, Func<string?> getPath)
public static bool ParseBool(string value, string? path)
{
try
{
return bool.Parse(value);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(bool)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(bool)}'.", exception);
}
}

public static byte[] ParseByteArray(string value, Func<string?> getPath)
public static byte[] ParseByteArray(string value, string? path)
{
try
{
return Convert.FromBase64String(value);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(byte[])}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(byte[])}'.", exception);
}
}

public static global::System.Globalization.CultureInfo ParseSystemGlobalizationCultureInfo(string value, Func<string?> getPath)
public static global::System.Globalization.CultureInfo ParseSystemGlobalizationCultureInfo(string value, string? path)
{
try
{
return CultureInfo.GetCultureInfo(value);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(global::System.Globalization.CultureInfo)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(global::System.Globalization.CultureInfo)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -55,21 +55,21 @@ namespace Microsoft.Extensions.Configuration.Binder.SourceGeneration

if (type == typeof(int))
{
return ParseInt(value, () => section.Path);
return ParseInt(value, section.Path);
}

return null;
}

public static int ParseInt(string value, Func<string?> getPath)
public static int ParseInt(string value, string? path)
{
try
{
return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
}
catch (Exception exception)
{
throw new InvalidOperationException($"Failed to convert configuration value at '{getPath()}' to type '{typeof(int)}'.", exception);
throw new InvalidOperationException($"Failed to convert configuration value at '{path}' to type '{typeof(int)}'.", exception);
}
}
#endregion Core binding extensions.
Expand Down
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