Code Coverage Support

[Bob-Chen222]

Description of changes:

• proj cmake will create two separate build folders. build and build_codecov. Additional flag FF_USE_CODE_COVERAGE is added to achieve the optional instrumentation in cmake
• use proj test --coverage will generate coverage info in terminal. proj test --coverage --browser will run the report in user's browser(if have one)
• filtered the coverage information and currently, only code in lib/ will be covered (can change the scope of coverage very easily if needed)
• codecov is supported. The codecov report can be visualized and PR in the future will support automatic code coverage comment
• also updated lockshaw/proj and need both to be approved to work

Related Issues:

Linked Issues:

• Issue Optional CodeCoverage Building Instrumentation #1390

Issues closed by this PR:

• Closes Optional CodeCoverage Building Instrumentation #1390

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This change is 

[lockshaw]

Reviewed 7 of 7 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @Bob-Chen222)

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.github/workflows/helpers/cmake_cuda.sh line 28 at r1 (raw file):

        -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
        -DCMAKE_CUDA_COMPILER_LAUNCHER=ccache \
        "${FLAGS[@]}"

Suggestion:

../config/config.linux \
        -DCMAKE_C_COMPILER_LAUNCHER=ccache \
        -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
        -DCMAKE_CUDA_COMPILER_LAUNCHER=ccache \
        -DFF_USE_CODE_COVERAGE=ON \
        "${FLAGS[@]}"

[Bob-Chen222]

Reviewable status: 6 of 7 files reviewed, 1 unresolved discussion (waiting on @lockshaw)

---

.github/workflows/helpers/cmake_cuda.sh line 28 at r1 (raw file):

        -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
        -DCMAKE_CUDA_COMPILER_LAUNCHER=ccache \
        "${FLAGS[@]}"

Done.

[lockshaw]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @Bob-Chen222)

[lockshaw]

Reviewed 1 of 1 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @Bob-Chen222)

[lockshaw]

Reviewed 3 of 3 files at r4, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @Bob-Chen222)

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.github/workflows/per-lib-check.yml line 115 at r4 (raw file):

          verbose: true
          
      - name: Test substitution-generator

You probably want to run all tests before uploading the codecov info?

[lockshaw]

Reviewed 1 of 1 files at r5, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @Bob-Chen222)