Merge pull request #26 from Wes2000ley/feat/cpp-hardening-pass2

Harden C++ support after #24: header auto-detection, symbol accounting, and coverage expansion

Author: jgravelle

LANGUAGE_SUPPORT.md

@@ -13,8 +13,10 @@
 | PHP        | `.php`        | tree-sitter-php        | function, class, method, type (interface/trait/enum), constant | `#[Attribute]` | `/** */` PHPDoc | PHP 8+ attributes supported; language-file `<?php` tag required  |
 | Dart       | `.dart`       | tree-sitter-dart       | function, class (class/mixin/extension), method, type (enum/typedef) | `@annotation` | `///` doc comments | Constructors and top-level constants are not indexed               |
 | C#         | `.cs`         | tree-sitter-csharp     | class (class/record), method (method/constructor), type (interface/enum/struct/delegate) | `[Attribute]` | `/// <summary>` XML doc comments | Properties and `const` fields not indexed                          |
-| C          | `.c`, `.h`    | tree-sitter-c          | function, type (struct/enum/union), constant | —             | `/* */` and `//` comments | `#define` macros extracted as constants; no class/method hierarchy |
-| C++        | `.cpp`, `.hpp`, `.cc`, `.hh`, `.cxx`, `.hxx` | tree-sitter-cpp | function, class, method, type (struct/enum/union), constant | — | `/* */` and `//` comments | Templates unwrapped to inner declaration; namespace contents extracted as top-level |
+| C          | `.c`          | tree-sitter-c          | function, type (struct/enum/union), constant | —             | `/* */` and `//` comments | `#define` macros extracted as constants; no class/method hierarchy |
+| C++        | `.cpp`, `.cc`, `.cxx`, `.hpp`, `.hh`, `.hxx`, `.h`* | tree-sitter-cpp | function, class, method, type (struct/enum/union/alias), constant | — | `/* */` and `//` comments | Namespace symbols are used for qualification but not emitted as standalone symbols |
+
+\* `.h` uses C++ parsing first, then falls back to C when no C++ symbols are extracted.
 
 ---
 

README.md

@@ -295,8 +295,10 @@ Every tool response includes a `_meta` envelope with timing, token savings, and
 | PHP        | `.php`        | function, class, method, type, constant |
 | Dart       | `.dart`       | function, class, method, type           |
 | C#         | `.cs`         | class, method, type, record             |
-| C          | `.c`, `.h`    | function, type, constant                |
-| C++        | `.cpp`, `.hpp`, `.cc`, `.hh`, `.cxx`, `.hxx` | function, class, method, type, constant |
+| C          | `.c`          | function, type, constant                |
+| C++        | `.cpp`, `.cc`, `.cxx`, `.hpp`, `.hh`, `.hxx`, `.h`* | function, class, method, type, constant |
+
+\* `.h` is parsed as C++ first, then falls back to C when no C++ symbols are extracted.
 
 See LANGUAGE_SUPPORT.md for full semantics.
 

SPEC.md

@@ -166,7 +166,7 @@ class Symbol:
     name: str                # Symbol name
     qualified_name: str      # Dot-separated with parent context
     kind: str                # function | class | method | constant | type
-    language: str            # python | javascript | typescript | go | rust | java | php | c
+    language: str            # python | javascript | typescript | go | rust | java | php | dart | csharp | c | cpp
     signature: str           # Full signature line(s)
     content_hash: str = ""   # SHA-256 of source bytes (drift detection)
     docstring: str = ""
@@ -212,7 +212,7 @@ Recursive directory walk with the full security pipeline.
 
 ### Filtering Pipeline (Both Paths)
 
-1. **Extension filter** — must be in `LANGUAGE_EXTENSIONS` (.py, .js, .jsx, .ts, .tsx, .go, .rs, .java, .php, .c, .h)
+1. **Extension filter** — must be in `LANGUAGE_EXTENSIONS` (.py, .js, .jsx, .ts, .tsx, .go, .rs, .java, .php, .c, .h, .cpp, .cc, .cxx, .hpp, .hh, .hxx)
 2. **Skip patterns** — `node_modules/`, `vendor/`, `.git/`, `build/`, `dist/`, lock files, minified files, etc.
 3. **`.gitignore`** — respected via the `pathspec` library
 4. **Secret detection** — `.env`, `*.pem`, `*.key`, `*.p12`, credentials files excluded

USER_GUIDE.md

@@ -244,7 +244,7 @@ To disable, set `JCODEMUNCH_SHARE_SAVINGS=0` in your MCP server env:
 Check the URL format (`owner/repo` or full GitHub URL). For private repositories, set `GITHUB_TOKEN`.
 
 **"No source files found"**
-The repository may not contain supported language files (`.py`, `.js`, `.ts`, `.go`, `.rs`, `.java`, `.c`, `.h`), or files may be excluded by skip patterns.
+The repository may not contain supported language files (`.py`, `.js`, `.ts`, `.go`, `.rs`, `.java`, `.c`, `.h`, `.cpp`, `.cc`, `.cxx`, `.hpp`, `.hh`, `.hxx`), or files may be excluded by skip patterns.
 
 **Rate limiting**
 Set `GITHUB_TOKEN` to increase GitHub API limits (5,000 requests/hour vs 60 unauthenticated).