// straylight // nix // 0x02 //

.clang-tidy

@@ -6,10 +6,10 @@
 #
 #                                                               — Neuromancer
 #
-# Semantic lint with teeth. Runs second in the lint pipeline.
-# Can fix or error. All warnings are errors.
+# Semantic lint with teeth. Maximum strictness. All warnings are errors.
+# This is the migraine config - everything enabled, nothing forgiven.
 #
-# See: docs/guidelines/03-cpp.md for rationale.
+# See: ~/src/weyl/weyl-std/docs/languages/cpp.md for rationale.
 #
 # ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 ---
@@ -19,43 +19,28 @@ UseColor: true
 #                                                                    // checks
 # ══════════════════════════════════════════════════════════════════════════════
 #
-# Philosophy: enable aggressively, disable surgically.
+# Philosophy: enable everything. disable nothing. feel the pain.
 #
 # ══════════════════════════════════════════════════════════════════════════════
 
 Checks: >
-  -*,
-
-  bugprone-*,
-  -bugprone-easily-swappable-parameters,
-  -bugprone-exception-escape,
-
-  cppcoreguidelines-*,
-  -cppcoreguidelines-avoid-magic-numbers,
-  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
-  -cppcoreguidelines-pro-bounds-pointer-arithmetic,
-  -cppcoreguidelines-pro-type-reinterpret-cast,
-  -cppcoreguidelines-owning-memory,
-
-  modernize-*,
-  -modernize-use-trailing-return-type,
-  -modernize-avoid-c-arrays,
-
-  performance-*,
-
-  readability-*,
-  -readability-magic-numbers,
-  -readability-identifier-length,
-  -readability-function-cognitive-complexity,
-
-  misc-*,
-  -misc-no-recursion,
-  -misc-non-private-member-variables-in-classes,
+  *,
+  -abseil-*,
+  -altera-*,
+  -android-*,
+  -darwin-*,
+  -fuchsia-*,
+  -google-*,
+  -hicpp-*,
+  -linuxkernel-*,
+  -llvm-*,
+  -llvmlibc-*,
+  -objc-*,
+  -openmp-*,
+  -zircon-*,
+  -portability-avoid-pragma-once,
   -misc-include-cleaner,
-
-  concurrency-*,
-
-  portability-*,
+  -misc-non-private-member-variables-in-classes,
 
 WarningsAsErrors: '*'
 
@@ -80,12 +65,22 @@ CheckOptions:
   - key: readability-identifier-naming.ClassCase
     value: lower_case
 
+  # all types get _t suffix (store_path_t, hash_type_t, etc.)
+  - key: readability-identifier-naming.ClassSuffix
+    value: '_t'
+
   - key: readability-identifier-naming.StructCase
     value: lower_case
 
+  - key: readability-identifier-naming.StructSuffix
+    value: '_t'
+
   - key: readability-identifier-naming.EnumCase
     value: lower_case
 
+  - key: readability-identifier-naming.EnumSuffix
+    value: '_t'
+
   - key: readability-identifier-naming.EnumConstantCase
     value: lower_case
 
@@ -101,10 +96,8 @@ CheckOptions:
   - key: readability-identifier-naming.MemberCase
     value: lower_case
 
-  - key: readability-identifier-naming.PrivateMemberSuffix
-    value: '_'
-
-  - key: readability-identifier-naming.ProtectedMemberSuffix
+  # all members get trailing underscore (we use struct, not class)
+  - key: readability-identifier-naming.MemberSuffix
     value: '_'
 
   - key: readability-identifier-naming.ConstantCase
@@ -125,10 +118,15 @@ CheckOptions:
   - key: readability-identifier-naming.TypeAliasCase
     value: lower_case
 
+  - key: readability-identifier-naming.TypeAliasSuffix
+    value: '_t'
+
   - key: readability-identifier-naming.TypedefCase
     value: lower_case
 
-  # n.b. template parameters are the exception — CamelCase for historical reasons
+  - key: readability-identifier-naming.TypedefSuffix
+    value: '_t'
+
   - key: readability-identifier-naming.TemplateParameterCase
     value: CamelCase
 
@@ -157,6 +155,9 @@ CheckOptions:
   - key: readability-function-size.NestingThreshold
     value: 5
 
+  - key: readability-function-cognitive-complexity.Threshold
+    value: 25
+
   # ──────────────────────────────────────────────────────────────────────────
   #                                                            // modernize
   # ──────────────────────────────────────────────────────────────────────────
@@ -181,11 +182,14 @@ CheckOptions:
   # ──────────────────────────────────────────────────────────────────────────
 
   - key: performance-unnecessary-value-param.AllowedTypes
-    value: 'std::string_view;nv::std::span;std::span'
+    value: 'std::string_view;std::span'
 
   - key: performance-move-const-arg.CheckTriviallyCopyableMove
     value: true
 
+  - key: performance-for-range-copy.WarnOnAllAutoCopies
+    value: true
+
   # ──────────────────────────────────────────────────────────────────────────
   #                                                               // misc
   # ──────────────────────────────────────────────────────────────────────────
@@ -196,6 +200,8 @@ CheckOptions:
   - key: misc-throw-by-value-catch-by-reference.CheckThrowTemporaries
     value: true
 
+
+
   # ──────────────────────────────────────────────────────────────────────────
   #                                                          // bugprone
   # ──────────────────────────────────────────────────────────────────────────
@@ -211,3 +217,51 @@ CheckOptions:
 
   - key: bugprone-string-constructor.LargeLengthThreshold
     value: 8388608
+
+  - key: bugprone-easily-swappable-parameters.MinimumLength
+    value: 2
+
+  # ──────────────────────────────────────────────────────────────────────────
+  #                                                    // cppcoreguidelines
+  # ──────────────────────────────────────────────────────────────────────────
+
+  - key: cppcoreguidelines-special-member-functions.AllowSoleDefaultDtor
+    value: true
+
+  - key: cppcoreguidelines-macro-usage.AllowedRegexp
+    value: '^(CATCH_|TEST_|REQUIRE|CHECK|SECTION|INFO|WARN|FAIL|NIX_|RAPIDCHECK_|STRAYLIGHT_)'
+
+  # ──────────────────────────────────────────────────────────────────────────
+  #                                                          // readability
+  # ──────────────────────────────────────────────────────────────────────────
+
+  # allow well-known short identifiers (unix conventions, domain terms)
+  # n.b. we use idx/jdx/kdx for loop counters, not i/j/k
+  - key: readability-identifier-length.IgnoredVariableNames
+    value: '^(io|id|fd|ok|it|op)$'
+
+  - key: readability-identifier-length.IgnoredParameterNames
+    value: '^(io|id|fd|ok|it|op)$'
+
+  - key: readability-identifier-length.IgnoredLoopCounterNames
+    value: '^(idx|jdx|kdx)$'
+
+  - key: readability-identifier-length.MinimumVariableNameLength
+    value: 2
+
+  - key: readability-identifier-length.MinimumParameterNameLength
+    value: 2
+
+  - key: readability-identifier-length.MinimumLoopCounterNameLength
+    value: 3
+
+# ══════════════════════════════════════════════════════════════════════════════
+#                                                               // header filter
+# ══════════════════════════════════════════════════════════════════════════════
+#
+# Check ALL headers in our source tree.
+#
+# ══════════════════════════════════════════════════════════════════════════════
+
+HeaderFilterRegex: '.*'
+SystemHeaders: false

.clangd

@@ -1 +1 @@
-/nix/store/jlianpkhkc3pb7bbq93g3ji7fyqncgkp-source/nix/configs/.clangd
+/nix/store/w6k81m6iki8clfvbqmkl9a8qs9hz4kd9-source/nix/configs/.clangd

.cppcheck

@@ -0,0 +1,33 @@
+# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+#                                                          // cppcheck // law
+# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+#
+#     "All the speed he took, all the turns he'd taken and the corners he'd
+#      cut in Night City..."
+#
+#                                                               — Neuromancer
+#
+# Static analysis with cppcheck. Catches what clang-tidy misses.
+# Run after clang-tidy in the lint pipeline.
+#
+# Usage: cppcheck --project=compile_commands.json --suppressions-list=.cppcheck
+#
+# ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+# ══════════════════════════════════════════════════════════════════════════════
+#                                                              // suppressions
+# ══════════════════════════════════════════════════════════════════════════════
+#
+# Format: <error_id>:[filename]:[line]
+# Use sparingly - every suppression should have a comment explaining why.
+#
+# ══════════════════════════════════════════════════════════════════════════════
+
+# missingIncludeSystem - we don't have full system includes in analysis
+missingIncludeSystem
+
+# unmatchedSuppression - suppress warnings about unused suppressions
+unmatchedSuppression
+
+# useStlAlgorithm - sometimes manual loops are clearer
+# (selectively suppress per-file if needed, not globally)

.editorconfig

@@ -16,10 +16,15 @@ charset = utf-8
 indent_style = space
 indent_size = 2
 
-# Match C++/C/shell/Perl, set indent to spaces with width of four
-[*.{hpp,cc,hh,c,h,sh,pl,xs}]
+# Match C++/C files - 2 space indent (matches .clang-format)
+[*.{cpp,hpp,cc,hh,c,h}]
 indent_style = space
-indent_size = 4
+indent_size = 2
+
+# Match shell/Perl - 2 space indent (matches shfmt)
+[*.{sh,pl,xs}]
+indent_style = space
+indent_size = 2
 
 # Match diffs, avoid to trim trailing whitespace
 [*.{diff,patch}]