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Selfhosting Dev 0d443dd6fa docs: Fix peek/match documentation inconsistencies 
- Update CLAUDE.md: peek式 → match式, peek構文 → match構文
- Update LANGUAGE_REFERENCE_2025.md: Peek式 → Match式
- Fix default pattern: else → _ (underscore)
- Resolve confusion causing JSON development Claude to use incorrect syntax

This fixes the root cause where new AI developers were referencing outdated
'peek' syntax examples and getting parse errors, forcing them to rewrite
with 'if' statements instead of using the correct 'match' syntax.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-09-23 02:15:54 +09:00
..
EBNF.md
pyvm: split op handlers into ops_core/ops_box/ops_ctrl; add ops_flow + intrinsic; delegate vm.py without behavior change
2025-09-21 08:53:00 +09:00
field-visibility-and-delegation.md
freeze: macro platform complete; default ON with profiles; env consolidation; docs + smokes\n\n- Profiles: --profile {lite|dev|ci|strict} (dev-like default for macros)\n- Macro paths: prefer NYASH_MACRO_PATHS (legacy envs deprecated with warnings)\n- Selfhost pre-expand: auto mode, PyVM-only, add smokes (array/map)\n- Docs: user-macros updated; new macro-profiles guide; AGENTS freeze note; CURRENT_TASK freeze\n- Compat: non-breaking; legacy envs print deprecation notices\n
2025-09-19 22:27:59 +09:00
LANGUAGE_REFERENCE_2025.md
docs: Fix peek/match documentation inconsistencies
2025-09-23 02:15:54 +09:00
match-guards.md
selfhost(pyvm): MiniVmPrints – prefer JSON route early-return (ok==1) to avoid fallback loops; keep default behavior unchanged elsewhere
2025-09-22 07:54:25 +09:00
README.md
docs(lang): adopt match as unified pattern matching; remove peek from docs; update EBNF and guides
2025-09-19 07:42:38 +09:00
statements.md
🚀 Start Phase 15.3: Nyash compiler MVP implementation
2025-09-15 01:21:37 +09:00
strings.md
selfhost(pyvm): MiniVmPrints – prefer JSON route early-return (ok==1) to avoid fallback loops; keep default behavior unchanged elsewhere
2025-09-22 07:54:25 +09:00
using.md
docs: add MIR13 mode doc and set PHI-off as default; bridge lowering split (if/loop/try); llvmlite resolver stabilization; curated runner default PHI-off; refresh CURRENT_TASK.md
2025-09-17 10:58:12 +09:00

README.md

Nyash Language Reference – Index

This is the entry point for Nyash language documentation.

  • Full Language Reference (2025): reference/language/LANGUAGE_REFERENCE_2025.md
  • Syntax Cheat Sheet: quick-reference/syntax-cheatsheet.md
  • Phase 12.7 Grammar Specs (ternary, sugar; peek → match に統合):
    • Overview: development/roadmap/phases/phase-12.7/grammar-specs/README.md
    • Token/Grammar: development/roadmap/phases/phase-12.7/ancp-specs/ANCP-Token-Specification-v1.md
  • Sugar Transformations (?., ??, |> and friends): parser/sugar.rs (source) and tools/nyfmt/NYFMT_POC_ROADMAP.md
  • Match Expression (pattern matching): see the Language Reference and EBNF (peek was replaced by match)

Statement separation and semicolons

  • See: reference/language/statements.md — newline as primary separator; semicolons optional for multiple statements on one line; minimal ASI rules.

Imports and namespaces

  • See: reference/language/using.md — using syntax, runner resolution, and style guidance.

Grammar (EBNF)

  • See: reference/language/EBNF.md — Stage‑2 grammar specification used by parser implementations.
  • Unified Members (stored/computed/once/birth_once): see reference/language/EBNF.md “Box Members (Phase 15)” and the Language Reference section. Default ON (disable with NYASH_ENABLE_UNIFIED_MEMBERS=0).

Member exceptions and handlers (Stage‑3)

  • Postfix catch/cleanup may be attached to computed/once/birth_once/method blocks when Stage‑3 is enabled. Stored members (plain name: Type [= expr]) do not support handlers.

Related implementation notes

  • Tokenizer: src/tokenizer.rs
  • Parser (expressions/statements): src/parser/expressions.rs, src/parser/statements.rs
  • MIR Lowering (expressions): src/mir/builder/exprs.rs and friends

Navigation tips

  • The “reference/language/LANGUAGE_REFERENCE_2025.md” is the canonical long‑form reference; use the Cheat Sheet for quick syntax lookup.
  • Phase 12.7 files capture the finalized sugar and new constructs (match (replaces peek), ternary, null‑safe).