feat(HIS): added checker of number of statements to script

Signed-off-by: Afonso Santos <[email protected]>

docker/Dockerfile

@@ -27,6 +27,7 @@ RUN apt-get update && apt-get install -y \
         clang-tidy-$CLANG_VERSION \
         nodejs \
         npm \
+        pmccabe \
         enchant-2 && \
     pip3 install gitlint && \
     pip3 install license-expression && \

his_checker.py

@@ -9,9 +9,33 @@
 
 import sys
 import argparse
+import os
+
+STATEMENTS_THRESHOLD = 50
+
+def process_statements(files):
+
+    """Process number of statements in a function"""
+
+    metric_fail = 0
+    pmccabe_stat_index = 2
+    function_index = 5
+    statements_tool = "pmccabe -c "
+    print("Checking the number of statements in each function")
+    for file in files.files:
+        sline = os.popen(statements_tool + str(file)).read().split('\n')
+        for fields in [line.split('\t') for line in sline[:-1]]:
+            statements = int(fields[pmccabe_stat_index])
+            if statements > STATEMENTS_THRESHOLD:
+                function_name = fields[function_index]
+                print("At " + function_name + " function has " + str(statements) +
+                     " statements. The maximum is " + str(STATEMENTS_THRESHOLD))
+                metric_fail += 1
+    print("Check done with " + str(metric_fail) + " error(s)\n")
+    return metric_fail
 
 if __name__ == "__main__":
-    METRICS_LIST = []
+    METRICS_LIST = [process_statements]
     CHECK_FAIL = 0
     PARSER = argparse.ArgumentParser()
     PARSER.add_argument("files", nargs="+", help="The files to process")