BridgeJS: Standardize lift/lower pattern across Swift and JavaScript #423
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Replace global intrinsic functions with consistent extension-based system. Each bridged type now defines standardized lift/lower operations: Swift side (type extensions): - bridgeJSLowerParameter/Return: Swift -> Wasm core types - bridgeJSLiftParameter/Return: Wasm core types -> Swift JavaScript side (JSGlueGen): - Corresponding lift/lower functions for JS <-> Wasm interop Adds CodeFragmentPrinter for improved code organization. Reduces generated code complexity across both Swift and JS.
Clean up variable declaration in VariableDeclSyntax visitor.
Introduce _BridgedSwiftTypeLoweredIntoSingleWasmCoreType protocol to formalize lift/lower operations. All basic types (Bool, Int, Float, Double) now conform to this protocol with standardized bridgeJS* methods. Add _BridgedSwiftHeapObject and _BridgedSwiftEnumNoPayload protocols for heap objects and enums respectively. Update generated code and test snapshots to use new protocol-based intrinsic functions.
…gedClass Add _JSBridgedClass protocol with lift/lower operations for JavaScript objects imported into Swift. Update ImportTS code generation to use new protocol-based bridgeJS* methods. Update all generated ImportTS Swift files and test snapshots to use the new bridgeJS* method calls instead of legacy functions.
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This is a workaround for the issue that reference to imported bjs wasm functions can't be eliminated in debug builds, even if they are not reachable at runtime without explicit BridgeJS usage.
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Pull Request Overview
This PR standardizes the lift/lower pattern across Swift and JavaScript by replacing global intrinsic functions with a consistent extension-based system. The change implements standardized bridge operations for each type, improving code organization and reducing complexity.
- Introduces a standardized lift/lower protocol system for all bridged types
- Replaces manual type conversion code with consistent
bridgeJSLowerParameter/ReturnandbridgeJSLiftParameter/Returnmethods - Adds
CodeFragmentPrinterfor improved JavaScript code generation
Reviewed Changes
Copilot reviewed 51 out of 56 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| Sources/JavaScriptKit/BridgeJSInstrincics.swift | Implements standardized lift/lower extensions for all basic types (Bool, Int, Float, Double, String, JSObject) and bridged types |
| Sources/JavaScriptKit/JSBridgedType.swift | Adds _JSBridgedClass protocol and updates JSBridgedClass to inherit from it |
| Plugins/BridgeJS/Sources/BridgeJSLink/JSGlueGen.swift | New file implementing JavaScript-side lift/lower operations with IntrinsicJSFragment |
| Plugins/BridgeJS/Sources/BridgeJSLink/CodeFragmentPrinter.swift | New utility class for organized code fragment printing |
| Multiple test snapshots | Updates generated code to use new standardized bridge methods |
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Remove unused _BridgedSwiftTypeLoweredIntoWasmCoreType protocol and fix incomplete documentation comment for the remaining protocol.
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Replace global intrinsic functions with consistent extension-based system.
Each bridged type now defines standardized lift/lower operations:
Swift side (type extensions):
JavaScript side (JSGlueGen):
Adds CodeFragmentPrinter for improved code organization.
Reduces generated code complexity across both Swift and JS.