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* - EstimatedRowCountState => AdditionalCommandState - add (and parse) CommandProperty<DbCommand> * emit the necessary * restrict to known/supported types in [CommandProperty<T>] * minor layout
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195 changes: 132 additions & 63 deletions
195
src/Dapper.AOT.Analyzers/CodeAnalysis/DapperInterceptorGenerator.cs
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223 changes: 223 additions & 0 deletions
223
src/Dapper.AOT.Analyzers/Internal/AdditionalCommandState.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,223 @@ | ||
| using Dapper.CodeAnalysis; | ||
| using Microsoft.CodeAnalysis; | ||
| using System; | ||
| using System.Collections.Immutable; | ||
| using System.Linq; | ||
|
|
||
| namespace Dapper.Internal; | ||
|
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||
| internal readonly struct CommandProperty : IEquatable<CommandProperty> | ||
| { | ||
| public readonly INamedTypeSymbol CommandType; | ||
| public readonly string Name; | ||
| public readonly object Value; | ||
| public readonly Location? Location; | ||
|
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| public CommandProperty(INamedTypeSymbol commandType, string name, object value, Location? location) | ||
| { | ||
| CommandType = commandType; | ||
| Name = name; | ||
| Value = value; | ||
| Location = location; | ||
| } | ||
|
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| public override string ToString() => $"{CommandType.Name}.{Name}={Value}"; | ||
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| public override int GetHashCode() => SymbolEqualityComparer.Default.GetHashCode(CommandType) & Name.GetHashCode() ^ (Value?.GetHashCode() ?? 0) ^ (Location?.GetHashCode() ?? 0); | ||
|
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| public override bool Equals(object obj) => obj is CommandProperty other && Equals(in other); | ||
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| bool IEquatable<CommandProperty>.Equals(CommandProperty other) => Equals(in other); | ||
| public bool Equals(in CommandProperty other) | ||
| => SymbolEqualityComparer.Default.Equals(CommandType, other.CommandType) && string.Equals(Name, other.Name) && Equals(Value, other.Value) && Equals(Location, other.Location); | ||
| } | ||
|
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| internal sealed class AdditionalCommandState : IEquatable<AdditionalCommandState> | ||
| { | ||
| public readonly int EstimatedRowCount; | ||
| public readonly string? EstimatedRowCountMemberName; | ||
| public readonly ImmutableArray<CommandProperty> CommandProperties; | ||
|
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| public bool HasEstimatedRowCount => EstimatedRowCount > 0 || EstimatedRowCountMemberName is not null; | ||
|
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| public bool HasCommandProperties => !CommandProperties.IsDefaultOrEmpty; | ||
|
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| public static AdditionalCommandState? Parse(ISymbol? target, ITypeSymbol? parameterType, ref object? diagnostics) | ||
| { | ||
| if (target is null) return null; | ||
|
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| var inherited = target is IAssemblySymbol ? null : Parse(target.ContainingSymbol, parameterType, ref diagnostics); | ||
| var local = ReadFor(target, parameterType, ref diagnostics); | ||
| if (inherited is null) return local; | ||
| if (local is null) return inherited; | ||
| return Combine(inherited, local); | ||
| } | ||
|
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| private static AdditionalCommandState? ReadFor(ISymbol target, ITypeSymbol? parameterType, ref object? diagnostics) | ||
| { | ||
| var attribs = target.GetAttributes(); | ||
| if (attribs.IsDefaultOrEmpty) return null; | ||
|
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| int cmdPropsCount = 0; | ||
| int estimatedRowCount = 0; | ||
| string? estimatedRowCountMember = null; | ||
| if (parameterType is not null) | ||
| { | ||
| foreach (var member in Inspection.GetMembers(parameterType)) | ||
| { | ||
| if (member.IsEstimatedRowCount) | ||
| { | ||
| if (estimatedRowCountMember is not null) | ||
| { | ||
| Diagnostics.Add(ref diagnostics, Diagnostic.Create(Diagnostics.MemberRowCountHintDuplicated, member.GetLocation())); | ||
| } | ||
| estimatedRowCountMember = member.Member.Name; | ||
| } | ||
| } | ||
| } | ||
| var location = target.Locations.FirstOrDefault(); | ||
| foreach (var attrib in attribs) | ||
| { | ||
| if (Inspection.IsDapperAttribute(attrib)) | ||
| { | ||
| switch (attrib.AttributeClass!.Name) | ||
| { | ||
| case Types.EstimatedRowCountAttribute: | ||
| if (attrib.ConstructorArguments.Length == 1 && attrib.ConstructorArguments[0].Value is int i | ||
| && i > 0) | ||
| { | ||
| if (estimatedRowCountMember is null) | ||
| { | ||
| estimatedRowCount = i; | ||
| } | ||
| else | ||
| { | ||
| Diagnostics.Add(ref diagnostics, Diagnostic.Create(Diagnostics.MethodRowCountHintRedundant, location, estimatedRowCountMember)); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| Diagnostics.Add(ref diagnostics, Diagnostic.Create(Diagnostics.MethodRowCountHintInvalid, location)); | ||
| } | ||
| break; | ||
| case Types.CommandPropertyAttribute: | ||
| cmdPropsCount++; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
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| ImmutableArray<CommandProperty> cmdProps; | ||
| if (cmdPropsCount != 0) | ||
| { | ||
| var builder = ImmutableArray.CreateBuilder<CommandProperty>(cmdPropsCount); | ||
| foreach (var attrib in attribs) | ||
| { | ||
| if (Inspection.IsDapperAttribute(attrib) && attrib.AttributeClass!.Name == Types.CommandPropertyAttribute | ||
| && attrib.AttributeClass.Arity == 1 | ||
| && attrib.AttributeClass.TypeArguments[0] is INamedTypeSymbol cmdType | ||
| && attrib.ConstructorArguments.Length == 2 | ||
| && attrib.ConstructorArguments[0].Value is string name | ||
| && attrib.ConstructorArguments[1].Value is object value) | ||
| { | ||
| builder.Add(new(cmdType, name, value, location)); | ||
| } | ||
| } | ||
| cmdProps = builder.ToImmutable(); | ||
| } | ||
| else | ||
| { | ||
| cmdProps = ImmutableArray<CommandProperty>.Empty; | ||
| } | ||
|
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|
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| return cmdProps.IsDefaultOrEmpty && estimatedRowCount <= 0 && estimatedRowCountMember is null | ||
| ? null : new(estimatedRowCount, estimatedRowCountMember, cmdProps); | ||
| } | ||
|
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| private static AdditionalCommandState Combine(AdditionalCommandState inherited, AdditionalCommandState overrides) | ||
| { | ||
| if (inherited is null) return overrides; | ||
| if (overrides is null) return inherited; | ||
|
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| var count = inherited.EstimatedRowCount; | ||
| var countMember = inherited.EstimatedRowCountMemberName; | ||
|
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| if (overrides.EstimatedRowCountMemberName is not null) | ||
| { | ||
| count = 0; | ||
| countMember = overrides.EstimatedRowCountMemberName; | ||
| } | ||
| else if (overrides.EstimatedRowCount > 0) | ||
| { | ||
| count = overrides.EstimatedRowCount; | ||
| countMember = null; | ||
| } | ||
|
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| return new(count, countMember, Concat(inherited.CommandProperties, overrides.CommandProperties)); | ||
| } | ||
|
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| static ImmutableArray<CommandProperty> Concat(ImmutableArray<CommandProperty> x, ImmutableArray<CommandProperty> y) | ||
| { | ||
| if (x.IsDefaultOrEmpty) return y; | ||
| if (y.IsDefaultOrEmpty) return x; | ||
| var builder = ImmutableArray.CreateBuilder<CommandProperty>(x.Length + y.Length); | ||
| builder.AddRange(x); | ||
| builder.AddRange(y); | ||
| return builder.ToImmutable(); | ||
| } | ||
|
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| private AdditionalCommandState(int estimatedRowCount, string? estimatedRowCountMemberName, ImmutableArray<CommandProperty> commandProperties) | ||
| { | ||
| EstimatedRowCount = estimatedRowCount; | ||
| EstimatedRowCountMemberName = estimatedRowCountMemberName; | ||
| CommandProperties = commandProperties; | ||
| } | ||
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| public override bool Equals(object obj) => obj is AdditionalCommandState other && Equals(in other); | ||
|
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| bool IEquatable<AdditionalCommandState>.Equals(AdditionalCommandState other) => Equals(in other); | ||
|
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| public bool Equals(in AdditionalCommandState other) | ||
| => EstimatedRowCount == other.EstimatedRowCount && EstimatedRowCountMemberName == other.EstimatedRowCountMemberName | ||
| && ((CommandProperties.IsDefaultOrEmpty && other.CommandProperties.IsDefaultOrEmpty) || Equals(CommandProperties, other.CommandProperties)); | ||
|
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| private static bool Equals(in ImmutableArray<CommandProperty> x, in ImmutableArray<CommandProperty> y) | ||
| { | ||
| if (x.IsDefaultOrEmpty) | ||
| { | ||
| return y.IsDefaultOrEmpty; | ||
| } | ||
| if (y.IsDefaultOrEmpty || x.Length != y.Length) | ||
| { | ||
| return false; | ||
| } | ||
| var ySpan = y.AsSpan(); | ||
| int index = 0; | ||
| foreach (ref readonly CommandProperty xVal in x.AsSpan()) | ||
| { | ||
| if (!xVal.Equals(in ySpan[index++])) | ||
| { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
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| static int GetHashCode(in ImmutableArray<CommandProperty> x) | ||
| { | ||
| if (x.IsDefaultOrEmpty) return 0; | ||
|
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| var value = 0; | ||
| foreach (ref readonly CommandProperty xVal in x.AsSpan()) | ||
| { | ||
| value = (value * -42) + xVal.GetHashCode(); | ||
| } | ||
| return value; | ||
| } | ||
|
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| public override int GetHashCode() | ||
| => (EstimatedRowCount + (EstimatedRowCountMemberName is null ? 0 : EstimatedRowCountMemberName.GetHashCode())) | ||
| ^ (CommandProperties.IsDefaultOrEmpty ? 0 : GetHashCode(in CommandProperties)); | ||
| } |
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33 changes: 0 additions & 33 deletions
33
src/Dapper.AOT.Analyzers/Internal/EstimatedRowCountState.cs
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