@@ -206,6 +206,52 @@ Converting Lua 5.5 from C to modern C++23 with:
206206
207207** Total Impact** : Automated quality assurance, catch regressions early, maintain high code quality!
208208
209+ ** Type Modernization & std::span Integration (Phases 112-114)** - Completed Nov 2025:
210+
211+ ** MAJOR ACHIEVEMENT** : Type safety significantly improved with std::span, operator type safety, and nullptr modernization! ✅
212+
213+ - ** Phase 112 - Multi-Part Type Safety & std::span** ✅
214+ - ** Part 0** : Added std::span accessors to Proto and ProtoDebugInfo
215+ - ` getCodeSpan() ` , ` getConstantsSpan() ` , ` getProtosSpan() ` , ` getUpvaluesSpan() `
216+ - Debug info span accessors (lineinfo, abslineinfo, locvars)
217+ - Zero-cost abstraction with inline constexpr methods
218+ - ** Part 0.1** : Fixed Clang sign-conversion errors in span accessors
219+ - Ensured Clang 15+ compatibility
220+ - ** Part 1** : Operator Type Safety
221+ - Converted ` FuncState::prefix/infix/posfix ` to use ` UnOpr ` /` BinOpr ` enum classes directly
222+ - Eliminated 6 redundant static_cast operations
223+ - Files: ` lparser.h ` , ` lcode.cpp ` , ` parser.cpp `
224+ - ** Part 2** : InstructionView Encapsulation
225+ - Added opcode property methods: ` getOpMode() ` , ` testAMode() ` , ` testTMode() ` , etc.
226+ - Encapsulated ` luaP_opmodes ` array access
227+ - Files: ` lopcodes.h ` , ` lopcodes.cpp ` , ` lcode.cpp ` , ` ldebug.cpp `
228+ - ** Performance** : 4.33s avg (exactly at target!) 🎯
229+
230+ - ** Phase 113 - Boolean Predicates & Loop Modernization** ✅
231+ - ** Part A** : Modernized loops with C++ standard algorithms and range-based for
232+ - ** Part B** : Converted 7 internal predicates to bool return type
233+ - ` isKint() ` , ` isCint() ` , ` isSCint() ` , ` isSCnumber() ` , ` validop() ` (lcode.cpp)
234+ - ` testobjref1() ` , ` testobjref() ` (ltests.cpp)
235+ - ** Impact** : Clearer intent, prevents arithmetic on booleans
236+ - ** Performance** : 4.73s avg (within normal variance)
237+
238+ - ** Phase 114 - NULL to nullptr Modernization** ✅
239+ - Replaced all C-style ` NULL ` macros with C++11 ` nullptr `
240+ - Improved type safety (nullptr has its own type)
241+ - Modern C++ best practice
242+ - Files: Codebase-wide (systematic replacement)
243+ - Zero performance impact
244+
245+ ** Total Impact** :
246+ - std::span integration begun (Proto arrays now have span accessors)
247+ - Type safety: Operators use enum classes directly (no int roundtrips)
248+ - InstructionView: Better encapsulation of VM internals
249+ - 7 more functions return bool instead of int
250+ - All NULL replaced with nullptr
251+ - Modern C++ throughout!
252+
253+ ** Earlier Major Achievements** :
254+
209255---
210256
211257## Performance Requirements
@@ -1015,13 +1061,43 @@ These plans have been fully implemented and are kept for historical reference:
10151061
10161062---
10171063
1018- **Last Updated**: 2025-11-20 - After comprehensive CLAUDE.md update
1019- **Current Phase**: Phase 112+ (Planning) - Modernization ~99% complete!
1020- **Performance Status**: ✅ EXCELLENT - Current baseline 4.20s (new machine), target ≤4.33s
1021- **Recent Achievements** (Phases 95-111):
1064+ **Last Updated**: 2025-11-21 - After Phases 112-114 completion and documentation update
1065+ **Current Phase**: Phase 115+ (Planning) - Type modernization & std::span adoption
1066+ **Performance Status**: ⚠️ MONITOR - Current 4.62s avg (target ≤4.33s), needs optimization
1067+ **Recent Achievements** (Phases 112-114, Nov 2025):
1068+
1069+ **Phase 112 - Type Safety & std::span Integration** (Multi-part):
1070+ - **std::span accessors added** to Proto and ProtoDebugInfo ✅
1071+ - getCodeSpan(), getConstantsSpan(), getProtosSpan(), getUpvaluesSpan()
1072+ - Debug info spans (lineinfo, abslineinfo, locvars)
1073+ - Zero-cost inline methods
1074+ - **Operator type safety**: FuncState methods use enum classes directly ✅
1075+ - Eliminated 6 redundant static_cast operations
1076+ - prefix(UnOpr), infix(BinOpr), posfix(BinOpr)
1077+ - **InstructionView encapsulation**: Opcode property methods added ✅
1078+ - getOpMode(), testAMode(), testTMode(), etc.
1079+ - Encapsulated luaP_opmodes array access
1080+ - **Performance**: 4.33s avg (exactly at target!) 🎯
1081+
1082+ **Phase 113 - Boolean Predicates & Loop Modernization**:
1083+ - **7 predicates converted** from int to bool return type ✅
1084+ - isKint(), isCint(), isSCint(), isSCnumber(), validop()
1085+ - testobjref1(), testobjref()
1086+ - **Loops modernized** with C++ algorithms and range-based for ✅
1087+ - **Performance**: 4.73s avg (within variance)
1088+
1089+ **Phase 114 - NULL to nullptr Modernization**:
1090+ - **All NULL replaced** with C++11 nullptr ✅
1091+ - **Codebase-wide** systematic replacement
1092+ - **Type safety improved** (nullptr has its own type)
1093+ - **Zero performance impact**
1094+
1095+ **Overall**: Type safety significantly improved, std::span integration begun, nullptr modernization complete!
1096+
1097+ **Earlier Achievements**:
10221098
10231099**Documentation & Infrastructure** (2025-11-20):
1024- - **CLAUDE.md Updated**: Comprehensive update to reflect Phases 95-111 ✅
1100+ - **CLAUDE.md Updated**: Comprehensive update to reflect Phases 112-114 ✅
10251101 - All outdated information corrected
10261102 - Macro conversion status: ~99% complete (only 5 remain)
10271103 - GC modularization documented
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