gcov exclusions

.travis.yml

@@ -48,8 +48,11 @@ script:
     - make check -j4
 
 after_script:
-    - rm -rf .libs # don't care about coverage for libjq
-    - if [ -n "$COVERAGE" ]; then coveralls --gcov-options '\-lp'; fi
+    - |
+        if [ -n "$COVERAGE" ]; then
+            rm -rf .libs usr # don't care about coverage for libjq, bison, libonig
+            coveralls -e lexer.c -e parser.c -e jv_dtoa.c --gcov-options '\-lp'
+        fi
 
 after_failure:
     - cat test-suite.log