[Linter] Refine Cppcheck suppressions

- Fixes Cppcheck error 'information: Unmatched suppression:
  unusedFunction'
- Linter script no longer suppresses warning 'noExplicitConstructor'

.pre-commit-config.yaml

@@ -14,6 +14,7 @@ repos:
           --language=c++,
           --enable=all,
           --inline-suppr,
+          --suppress=unmatchedSuppression,
           --suppress=unusedFunction,
           --suppress=missingInclude
         ]

sbs

@@ -232,8 +232,9 @@ lint_cppcheck() {
     get_cppcheck_opts opts
 
     cppcheck --language=c++ --std=c++11 --enable=all --inline-suppr \
-        --suppress=unusedFunction --suppress=missingInclude \
-        --error-exitcode=1 "${opts[@]}" "$source_dir/src"
+        --suppress=unmatchedSuppression --suppress=unusedFunction \
+        --suppress=missingInclude --error-exitcode=1 "${opts[@]}" \
+        "$source_dir/src"
     echo
 }
 

scripts/linter.py

@@ -273,7 +273,7 @@ def check_cppcheck(directory):
     # Run cppcheck on the directory
     try:
         result = check_output(['cppcheck', '-q', '--language=c++', '--template=gcc', '--std=c++11', '--enable=all', '--inline-suppr',
-                               '--suppress=unusedFunction', '--suppress=missingInclude', '--suppress=noExplicitConstructor',
+                               '--suppress=unmatchedSuppression', '--suppress=unusedFunction', '--suppress=missingInclude',
                                directory], stderr=STDOUT)
 
         # Parse results and count errors