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"""
This simple script adds a CALL statement (or, more precisely, whatever
statement you want to add) after each call to ALLOCATE/DEALLOCATE.
Usage:
python instrument.py file_name
this command will create a bkp file (if not present) and a .new file
which contains the print statements.
something like:
files=`sift -i --filename -x f90 -w *allocate | cut -d ':' -f 1 | uniq`
for f in $files
do
python instrument.py $f
mv ${f}.new $f
done
will add print statements to all the files in the directory
restore with
for file in *.bkp; do cp $file ${file%.bkp}; done
"""
from __future__ import print_function
import os, sys, re
from shutil import copyfile
fmt = """ CALL mem_counter ( SIZEOF({0}), {1}, &\n "{0}", &\n "{2}" )
"""
if len(sys.argv) < 2:
print("Specify file name!")
sys.exit(-1)
fname = sys.argv[1]
if not os.path.exists(fname):
print("File does not exists!")
sys.exit(-1)
#if not os.path.exists(fname+".bkp"):
# copyfile(fname, fname+".bkp")
def get_args_list(line):
args = ""
npar = 0
for i, c in enumerate(line):
if c == '(':
npar +=1
continue
if c == ')':
npar -=1
continue
if c == '&':
continue
if c == '\n':
continue
if c == '!':
break
if c == '%':
# copy argument if needed
if npar >= 2:
continue
if line[i-1] == ')':
j = i
while (j>0):
j = j-1 # this can fail but should never happen
if line[j] == '(':
break
args += line[j:i].replace(',','!') # temp replace , with ! to
#avoid confusion in arg splitting.
# btw, we go back in characters so
# there shouldn't be any '!'
if npar == 1:
args += c
return [x.replace('!',',') for x in args.split(',')]
def write_counters(fout, sign, args, sub, tag=[], prepend=""):
for a, arg in enumerate(args):
if 'stat' in arg.lower():
continue
if (a == 0) and (tag != []):
fout.write(tag[0] + ' ')
fout.write(prepend + fmt.format(*[arg, sign, sub]))
with open(fname,'r') as fin:
with open(fname+".new",'w') as fout:
lines = fin.readlines()
i = 0
while (i<len(lines)):
if len(lines[i].strip()) > 0:
# write out comments straight away
if ('!' in lines[i].strip()[0]):
fout.write(lines[i])
i += 1
continue
# same for #ifdefs
if ('#' in lines[i].strip()[0]):
fout.write(lines[i])
i += 1
continue
# possibly get rid of comments
buff = lines[i].split('!')[0]
# add end of line if needed
if buff[-1] != '\n':
buff += '\n'
# merge continuation in single string. Never forget \n
j = 0
while '&' in lines[i+j].strip()[1:]: # line continuation may begin with '&'
j += 1
buff += lines[i+j].split('!')[0]
if buff[-1] != '\n':
buff += '\n'
# find name of subroutine (or program in no subroutine is found)
str_subroutine = re.findall("subroutine", buff.lower())
if (len(str_subroutine) == 0):
str_subroutine = re.findall("program", buff.lower())
if (len(str_subroutine) > 0):
# print("Treating subroutine ",str_subroutine)
sub = buff.split()[1]
# find (de)allocate in strings
str_allocate = re.findall("[\"\'].*?(allocate).*?[\"\']", buff.lower())
# match all allocate
allocate = re.findall(r'\bdeallocate\b', buff.lower()) + re.findall(r'\ballocate\b', buff.lower())
# if no allocate or deallocate present, write all previous lines as they were originally
if ((allocate == []) or (len(str_allocate) >= len(allocate))):
for _ in range(j+1):
fout.write(lines[i])
i += 1
continue
if re.findall(r'\bdeallocate\b', buff.lower()) and re.findall(r'\bif\b', buff.lower()):
# split clause with 'deallocate' as delimiter
ifcls = re.split(r'\bdeallocate\b',buff.lower())
args = get_args_list(ifcls[1])
if (len(args) > 1):
print("WARNING! Multiple deallocate in if clause")
tag = re.findall(r'^\d+', buff.lower().strip())
write_counters(fout, -1, args, sub, tag, ifcls[0] + ' ')
#fout.write(ifcls[0] + ' ' + fmt.format(*[args[0], -1]))
if tag:
fout.write(re.sub("^[ X]*\d+","",buff))
else:
fout.write(buff)
elif re.findall(r'\ballocate\b', buff.lower()) and re.findall(r'\bif\b', buff.lower()):
ifcls = re.split(r'\ballocate\b',buff.lower())
args = get_args_list(ifcls[1])
if (len(args) > 1):
print("WARNING! Multiple allocate in if clause")
# is there a tag?
tag = re.findall(r'^\d+', buff.lower().strip())
if tag:
print("WARNING! allocate with tag! Check (and change?) file " + fname + ".new (original line " + str(i) + ")")
fout.write(ifcls[0] + ' THEN \n ALLOCATE ' + ifcls[1] + '\n ')
write_counters(fout, +1, args, sub)
fout.write( '\n END IF \n')
elif re.findall(r'\bdeallocate\b', buff.lower()):
args = get_args_list(buff)
# is there a tag?
tag = re.findall(r'^\d+', buff.lower().strip())
if tag:
print("WARNING! deallocate with tag! Check (and change?) file " + fname + ".new (original line " + str(i) + ")")
write_counters(fout, -1, args, sub, tag)
if tag:
fout.write(re.sub("^[ X]*\d+","",buff))
else:
fout.write(buff)
elif re.findall(r'\ballocate\b', buff.lower()):
fout.write(buff)
args = get_args_list(buff)
# is there a tag?
tag = re.findall(r'^\d+', buff.lower().strip())
if tag:
print("WARNING! allocate with tag! Check (and change!) file " + fname + ".new (original line " + str(i) + ")")
write_counters(fout, +1, args, sub)
#for arg in args:
# if 'stat' in arg.lower():
# continue
#
# fout.write(fmt.format(*[arg, 1]))
else:
fout.write(buff)
i += 1 + j
continue
fout.write(lines[i])
i += 1
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