[analyzer] SumTimerInfo.py: Partially modernize

[NoQ]

This one's straightforward too.

clang/utils/analyzer/SumTimerInfo.py

 #!/usr/bin/env python
 
 """
 Script to Summarize statistics in the scan-build output.
 
 Statistics are enabled by passing '-internal-stats' option to scan-build
 (or '-analyzer-stats' to the analyzer).
 """
-from __future__ import absolute_import, division, print_function
-
 import sys
 
 if __name__ == '__main__':
     if len(sys.argv) < 2:
         print('Usage: ', sys.argv[0],
               'scan_build_output_file', file=sys.stderr)
         sys.exit(-1)
 
     f = open(sys.argv[1], 'r')
-    Time = 0.0
-    TotalTime = 0.0
-    MaxTime = 0.0
-    Warnings = 0
-    Count = 0
-    FunctionsAnalyzed = 0
-    ReachableBlocks = 0
-    ReachedMaxSteps = 0
-    NumSteps = 0
-    NumInlinedCallSites = 0
-    NumBifurcatedCallSites = 0
-    MaxCFGSize = 0
+    time = 0.0
+    total_time = 0.0
+    max_time = 0.0
+    warnings = 0
+    count = 0
+    functions_analyzed = 0
+    reachable_blocks = 0
+    reached_max_steps = 0
+    num_steps = 0
+    num_inlined_call_sites = 0
+    num_bifurcated_call_sites = 0
+    max_cfg_size = 0
+
     for line in f:
-        if ("Analyzer Total Time" in line):
+        if "Analyzer total time" in line:
             s = line.split()
-            Time = Time + float(s[6])
-            Count = Count + 1
-            if (float(s[6]) > MaxTime):
-                MaxTime = float(s[6])
-        if ("warning generated." in line) or ("warnings generated" in line):
+            time = time + float(s[6])
+            count = count + 1
+            if float(s[6]) > max_time:
+                max_time = float(s[6])
+        if "warning generated." in line or "warnings generated" in line:
             s = line.split()
-            Warnings = Warnings + int(s[0])
+            warnings = warnings + int(s[0])
         if "The # of functions analysed (as top level)" in line:
             s = line.split()
-            FunctionsAnalyzed = FunctionsAnalyzed + int(s[0])
+            functions_analyzed = functions_analyzed + int(s[0])
         if "The % of reachable basic blocks" in line:
             s = line.split()
-            ReachableBlocks = ReachableBlocks + int(s[0])
+            reachable_blocks = reachable_blocks + int(s[0])
         if "The # of times we reached the max number of steps" in line:
             s = line.split()
-            ReachedMaxSteps = ReachedMaxSteps + int(s[0])
+            reached_max_steps = reached_max_steps + int(s[0])
         if "The maximum number of basic blocks in a function" in line:
             s = line.split()
-            if MaxCFGSize < int(s[0]):
-                MaxCFGSize = int(s[0])
+            if max_cfg_size < int(s[0]):
+                max_cfg_size = int(s[0])
         if "The # of steps executed" in line:
             s = line.split()
-            NumSteps = NumSteps + int(s[0])
+            num_steps = num_steps + int(s[0])
         if "The # of times we inlined a call" in line:
             s = line.split()
-            NumInlinedCallSites = NumInlinedCallSites + int(s[0])
+            num_inlined_call_sites = num_inlined_call_sites + int(s[0])
         if "The # of times we split the path due \
                 to imprecise dynamic dispatch info" in line:
             s = line.split()
-            NumBifurcatedCallSites = NumBifurcatedCallSites + int(s[0])
+            num_bifurcated_call_sites = num_bifurcated_call_sites + int(s[0])
         if ")  Total" in line:
             s = line.split()
-            TotalTime = TotalTime + float(s[6])
+            total_time = total_time + float(s[6])
 
-    print("TU Count %d" % (Count))
-    print("Time %f" % (Time))
-    print("Warnings %d" % (Warnings))
-    print("Functions Analyzed %d" % (FunctionsAnalyzed))
-    print("Reachable Blocks %d" % (ReachableBlocks))
-    print("Reached Max Steps %d" % (ReachedMaxSteps))
-    print("Number of Steps %d" % (NumSteps))
-    print("Number of Inlined calls %d (bifurcated %d)" % (
-        NumInlinedCallSites, NumBifurcatedCallSites))
-    print("MaxTime %f" % (MaxTime))
-    print("TotalTime %f" % (TotalTime))
-    print("Max CFG Size %d" % (MaxCFGSize))
+    print(f"TU count {count}")
+    print(f"Time {time}")
+    print(f"Warnings {warnings}")
+    print(f"Functions analyzed {functions_analyzed}")
+    print(f"Reachable blocks {reachable_blocks}")
+    print(f"Reached max steps {reached_max_steps}")
+    print(f"Number of steps {num_steps}")
+    print(f"Number of inlined calls {num_inlined_call_sites} "
+          f"(bifurcated {num_bifurcated_call_sites})")
+    print(f"Max time {max_time}")
+    print(f"Total time {total_time}")
+    print(f"Max CFG Size {max_cfg_size}")