feat(llvm/phi): Phase 278 P0 - remove deprecated PHI debug env vars
## Changes - debug_helper.py: Remove backward compatibility (warning → error + exit 1) - environment-variables.md: Migrate deprecated section with migration guide - phase278_p0_deprecated_env_fail.sh: Add smoke test for deprecated var detection ## Removed Variables (5) - NYASH_LLVM_PHI_DEBUG - NYASH_PHI_TYPE_DEBUG - NYASH_PHI_ORDERING_DEBUG - NYASH_LLVM_TRACE_PHI - NYASH_LLVM_VMAP_TRACE ## SSOT Variables (3) - Unchanged - NYASH_LLVM_DEBUG_PHI=1 - NYASH_LLVM_DEBUG_PHI_TRACE=1 - NYASH_LLVM_PHI_STRICT=1 ## Benefits - ✅ Deprecated vars cause fail-fast error (not silent) - ✅ Error messages include replacement hints - ✅ Documentation reflects removal (migration guide included) - ✅ Smoke test verifies deprecated var rejection - ✅ No regressions in existing tests ## Testing ✅ Test 1: Deprecated NYASH_LLVM_PHI_DEBUG rejected ✅ Test 2: Deprecated NYASH_LLVM_TRACE_PHI rejected ✅ Test 3: SSOT vars work normally ✅ Regression tests: strict=OFF, strict=ON, debug mode - all pass 🤖 Generated with Claude Code Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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@ -1,11 +1,13 @@
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"""Phase 277 P2: PHI デバッグ環境変数のSSOT
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"""Phase 278 P0: PHI デバッグ環境変数のSSOT
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統合された環境変数を一元管理。
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統合前の環境変数(8個) → 統合後(3個):
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- NYASH_LLVM_DEBUG_PHI: 一般デバッグ(旧: LLVM_PHI_DEBUG, PHI_TYPE_DEBUG, PHI_ORDERING_DEBUG)
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- NYASH_LLVM_DEBUG_PHI_TRACE: 詳細トレース(旧: LLVM_TRACE_PHI, LLVM_VMAP_TRACE)
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- NYASH_LLVM_PHI_STRICT: 厳格モード(既存維持)
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Phase 277 P2 統合(8個 → 3個):
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- NYASH_LLVM_DEBUG_PHI: 一般デバッグ(旧変数削除済み)
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- NYASH_LLVM_DEBUG_PHI_TRACE: 詳細トレース(旧変数削除済み)
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- NYASH_LLVM_PHI_STRICT: 厳格モード(変更なし)
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Phase 278 P0: 旧環境変数の後方互換性を削除(fail-fast化)
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"""
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import os
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import sys
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@ -26,7 +28,7 @@ def is_phi_debug_enabled():
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if os.environ.get('NYASH_LLVM_DEBUG_PHI') == '1':
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return True
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# 旧環境変数の後方互換性(Phase 278で削除予定)
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# 旧環境変数の後方互換性(Phase 278で削除)
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legacy_vars = [
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'NYASH_LLVM_PHI_DEBUG',
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'NYASH_PHI_TYPE_DEBUG',
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@ -34,9 +36,9 @@ def is_phi_debug_enabled():
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]
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for var in legacy_vars:
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if os.environ.get(var) == '1':
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print(f"⚠️ DEPRECATED: {var} is deprecated. Use NYASH_LLVM_DEBUG_PHI=1 instead.",
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print(f"❌ ERROR: {var} was removed in Phase 278. Use NYASH_LLVM_DEBUG_PHI=1 instead.",
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file=sys.stderr)
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return True
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sys.exit(1)
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return False
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@ -55,16 +57,16 @@ def is_phi_trace_enabled():
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if os.environ.get('NYASH_LLVM_DEBUG_PHI_TRACE') == '1':
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return True
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# 旧環境変数の後方互換性(Phase 278で削除予定)
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# 旧環境変数の後方互換性(Phase 278で削除)
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legacy_vars = [
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'NYASH_LLVM_TRACE_PHI',
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'NYASH_LLVM_VMAP_TRACE'
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]
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for var in legacy_vars:
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if os.environ.get(var) == '1':
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print(f"⚠️ DEPRECATED: {var} is deprecated. Use NYASH_LLVM_DEBUG_PHI_TRACE=1 instead.",
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print(f"❌ ERROR: {var} was removed in Phase 278. Use NYASH_LLVM_DEBUG_PHI_TRACE=1 instead.",
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file=sys.stderr)
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return True
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sys.exit(1)
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return False
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