History

Loretta 7fb74dbbb0 Refactor AcBinary string marker dispatch & add JIT harness - Refactored AcBinaryDeserializer string marker dispatch: hot path now handles all non-interning markers in a single inlinable method, cold path only for interning markers; improved safety and comments. - Updated SGen codegen to only emit cold-path for interning-enabled types. - Added debug guard for corrupted wire in ReadStringBig. - Rewrote JitDisassemblyBenchmark as a direct JIT-disasm harness (outside BDN); updated Program.cs to use it for --jitasm. - Benchmarks now pin charset to Latin1Short for cross-process consistency. - Added new Bash commands for diff, JIT disasm, and diagnostics in settings.local.json.		2026-05-20 12:49:43 +02:00
..
AcBinarySourceGenerator.Diagnostics.cs	Refactor AcBinarySourceGenerator into partial classes	2026-05-15 18:54:22 +02:00
AcBinarySourceGenerator.GenInit.cs	Refactor AcBinarySourceGenerator into partial classes	2026-05-15 18:54:22 +02:00
AcBinarySourceGenerator.GenReader.cs	Refactor AcBinary string marker dispatch & add JIT harness	2026-05-20 12:49:43 +02:00
AcBinarySourceGenerator.GenWriter.cs	Fix SGen ref-handling asymmetry; add regression tests	2026-05-19 08:32:39 +02:00
AcBinarySourceGenerator.GetClassInfo.cs	Refactor AcBinarySourceGenerator into partial classes	2026-05-15 18:54:22 +02:00
AcBinarySourceGenerator.Models.cs	Fix SGen ref-handling asymmetry; add regression tests	2026-05-19 08:32:39 +02:00
AcBinarySourceGenerator.TypeAnalysis.cs	Refactor AcBinarySourceGenerator into partial classes	2026-05-15 18:54:22 +02:00
AcBinarySourceGenerator.cs	Refactor AcBinarySourceGenerator into partial classes	2026-05-15 18:54:22 +02:00
AyCode.Core.Serializers.SourceGenerator.csproj	Add SGenOnly build config and centralize build settings	2026-05-19 17:41:06 +02:00
README.md	Overhaul SignalR/DataSource docs, update all references	2026-03-29 18:28:52 +02:00

README.md

AyCode.Core.Serializers.SourceGenerator

Roslyn incremental source generator that produces optimized IGeneratedBinaryWriter and IGeneratedBinaryReader implementations for types marked with [AcBinarySerializable]. Eliminates runtime reflection on serialization hot paths.

Targets netstandard2.0 (required for Roslyn analyzers/generators).

Key Files

AcBinarySourceGenerator.cs — Single-file IIncrementalGenerator (~2100 lines). Generates:
- {ClassName}_GeneratedWriter — Per-type writer with ScanObject() + WriteProperties() methods. Handles primitives, strings (with interning), collections, dictionaries, complex nested types, and polymorphic objects.
- {ClassName}_GeneratedReader — Per-type reader with ReadProperties() method.
- ModuleInitializer — Auto-registers all generated writers/readers at startup.
- Circular reference detection with ACBIN001 diagnostic warning.

Slot Allocation

Each generated writer reserves a unique type slot via AcBinarySerializer.AllocateWrapperSlot() (static field initializer, Interlocked.Increment).

Slots 0–63 — reserved for runtime polymorphic types (assigned dynamically on first encounter)
Slots 64+ — source-generated types (allocated at [ModuleInitializer] registration time)

Slot indices are NOT stable across compilations. The order depends on Roslyn's ForAttributeWithMetadataName() enumeration order, which may vary between builds. This is fine because slots are only meaningful within a single serialization/deserialization session — they are never persisted to disk or sent over the wire as slot indices (the wire format uses type names or metadata hashes for cross-session/cross-type compatibility).

Feature Flags

The [AcBinarySerializable] attribute supports per-type feature control:

enableMetadata — Property hash metadata for cross-type deserialization
enableIdTracking — IId-based reference tracking
enableRefHandling — General reference tracking
enableInternString — String interning/deduplication

Disabled features eliminate corresponding code blocks from generated output (zero dead code).

Dependencies