gj ci: add coverage

Author: iboB

.github/workflows/coverage.yml

@@ -0,0 +1,31 @@
+name: Coverage
+on: [push, pull_request]
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone
+        uses: actions/checkout@v4
+      - name: Install Ninja
+        uses: seanmiddleditch/gha-setup-ninja@v5
+      - name: Install LLVM
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y llvm
+      - name: Configure
+        run: cmake --preset=debug-coverage -B coverage
+      - name: Build
+        run: cmake --build coverage
+      - name: Test
+        run: ctest --test-dir coverage --output-on-failure
+        env:
+          LLVM_PROFILE_FILE: cov-%p-%m.profraw
+      - name: Generate Coverage Report
+        run: |
+          llvm-profdata merge -o coverage.profdata $(find coverage -name "*.profraw")
+          llvm-cov export -instr-profile=coverage.profdata -format=lcov -object coverage/code/libdynamix.so coverage/v1compat/libdynamix-v1compat.so  > coverage.lcov
+      - name: Upload to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          files: ./coverage.lcov
+          token: ${{ secrets.CODECOV_TOKEN }}

CMakePresets.json

@@ -58,6 +58,15 @@
       "hidden": true,
       "cacheVariables": { "SAN_THREAD": true }
     },
+    {
+      "name": "coverage",
+      "hidden": true,
+      "inherits": "clang",
+      "cacheVariables": {
+      	"CMAKE_CXX_FLAGS": "-fprofile-instr-generate -fcoverage-mapping",
+      	"CMAKE_EXE_LINKER_FLAGS": "-fprofile-instr-generate"
+      }
+    },
 
     {
       "name": "debug",
@@ -108,6 +117,11 @@
       "inherits": ["base-debug", "asan", "ubsan", "lsan"]
     },
 
+    {
+    	"name": "debug-coverage",
+    	"inherits": ["base-debug", "coverage"]
+    },
+
     {
       "name": "win-debug-32bit",
       "inherits": "base-debug",