- Add loadPristineAst method to CompilerBase for independent AST loading
- Introduce PreparedProjectCacheTrait with conservative whole-project caching mechanism
- Implement translation unit splitting for large C++ files with splitLargeTranslationUnit
- Add preprocessing warning count tracking in CompilerDiagnosticTrait
- Enhance gen_stub.php to use cached AST when available instead of reparsing
- Improve incremental compilation checks with splitTranslationUnits validation
- Add comprehensive test coverage for AST caching, prepared project cache, and translation unit splitting
- Optimize precompiled header manager with dependency digest caching and improved invalidation
- Implement file digest memoization for faster native compilation input processing
- Add support for persistent AST cache reuse across compiler processes
- Add CompilerGeneratorFingerprintTest to verify embedded snapshot usage
- Test that compiler snapshots are stable and change with source or options
- Verify ordinary programs and extensions do not register compiler snapshots
- Add separate process attribute for accurate testing conditions
- Test incremental generator fingerprint generation and registration logic
feat(build): implement compiler build fingerprint registration
- Embed immutable source snapshot in self-hosted compiler builds
- Add fallback mechanism for executables built before metadata introduction
- Optimize performance by avoiding expensive source file hashing
- Generate compiled generator fingerprint registration during translation
- Prevent recursive fingerprinting in repeated self-hosted builds
- Register compiler build fingerprint only for binary builds with specific criteria
- Add explicit response file path support to compiler backends
- Implement TYPEPHP_COMPILER_EXECUTABLE constant for compiler fingerprinting
- Add exception handling for native source project compilation
- Create dedicated extension header inclusion logic to reduce build invalidations
- Implement small task lane reservation in parallel compilation
- Add DOM extension requirement check for native project support
- Optimize symbol collection with single depth-first AST walk
- Add request array default metadata finalization
- Implement content-based rather than timestamp-based object caching
- Add link cache metadata file management
- Update incremental compilation to preserve timestamps for identical content
- Add comprehensive test coverage for response file and caching features
- Replace sequential indexing with stable ID allocation for persistent entities
- Add StableIdRegistry to maintain consistent IDs across builds
- Implement incremental compilation with dependency tracking
- Add IncrementalBuildState for tracking file dependencies and dirty propagation
- Update anonymous class generation to use stable call site IDs
- Modify type ID allocation to start from 1 and avoid renumbering
- Add literal string ID allocation using stable registry
- Implement global variable usage recording and tracking
- Add dependency symbols for classes, functions, constants, and globals
- Update property and function index allocation to use stable IDs
- Add cache site ID allocation based on call site context
- Implement compilation statistics merging and delta calculation
- Add file writing with content comparison to avoid unnecessary writes
- Implement incremental build cache clearing functionality
- Add metadata restoration for incremental compilation
- Create dependency graph building and dirty file propagation logic
- Implement translation unit emission tracking for incremental builds
韩天峰