/usr/bin/adiosxml2h is in libadios-bin 1.7.0-4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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from __future__ import absolute_import, division, print_function, unicode_literals
import sys
import os
import ad_config
import type_mapper
# checkXML attempts to call adios_lint to verify that adios will accept the xml file as valid
def checkXML (config_file, path):
if path == '':
adios_lint = 'adios_lint '
elif os.path.exists (path+'/adios_lint'):
adios_lint = path + '/adios_lint '
elif os.path.exists (path+'/../adios_lint/adios_lint'):
adios_lint = path+'/../adios_lint/adios_lint '
else:
adios_lint = 'adios_lint '
rv = os.system (adios_lint + config_file)
if rv == 0:
return 'success'
elif rv == 32512: # System unable to find adios_lint command
print("Unable to find adios_lint. Proceeding with code generation.")
return 'success'
else:
print("gpp.py failed.")
return 'failure'
def get_c_groupsize_code (group):
groupsize_code_string = ''
groupsize_code_string += 'adios_groupsize = '
for v in group.get_vars():
if v.is_scalar():
if v.get_type() != 'string':
groupsize_code_string += ('%d' % type_mapper.get_size (v.get_type() ) + ' \\\n + ')
else:
groupsize_code_string += ('strlen(' + v.get_gwrite() + ')' + ' \\\n + ')
else:
groupsize_code_string += ('%d * ' % type_mapper.get_size (v.get_type() ) )
for d in v.get_dimensions():
# need to check whether this is the timestep
groupsize_code_string += '(' + d + ') * '
groupsize_code_string = groupsize_code_string.rstrip ('* ')
groupsize_code_string += (' \\\n + ')
# remove the final +\, and add the ;
groupsize_code_string = groupsize_code_string.rstrip('+\\\n ') + ';'
groupsize_code_string += '\nadios_group_size (adios_handle, adios_groupsize, &adios_totalsize);'
return groupsize_code_string;
def get_fortran_groupsize_code (group):
#print 'Get Fortran Groupsize code for group "'+group.get_name()+'"'
groupsize_code_string = ''
groupsize_code_string += 'adios_groupsize = '
for v in group.get_vars():
#print ' count variable "'+v.get_fullpath()+'"'
if (v.is_scalar() ):
groupsize_code_string += ('%d' % type_mapper.get_size (v.get_type() ) + ' &\n + ')
else:
groupsize_code_string += ('%d * ' % type_mapper.get_size (v.get_type() ) )
for d in v.get_dimensions():
#print ' count dim "'+d+'"'
# need to check whether this is the timestep
groupsize_code_string += '(' + d + ') * '
groupsize_code_string = groupsize_code_string.rstrip ('* ')
groupsize_code_string += (' &\n + ')
# remove the final &+
groupsize_code_string = groupsize_code_string.rstrip('+\n &')
groupsize_code_string += '\ncall adios_group_size (adios_handle, adios_groupsize, adios_totalsize, adios_err)'
#print 'Done Fortran Groupsize'
return groupsize_code_string;
def get_fortran_write_statements (group):
statements = ""
for item in group.get_ordered_contents():
if item.__class__.__name__ == 'gwrite':
statements += '\n' + item.get_src()
continue
if item.__class__.__name__ == 'attr':
# Ignore the attributes for now
continue
# Otherwise, the item must be a variable
var = item
statements += '\ncall adios_write (adios_handle, "' + var.get_fullpath() + '", ' + var.get_gwrite() + ', adios_err)'
statements += '\n'
return statements
def get_c_write_statements (group):
statements = ""
for item in group.get_ordered_contents():
if item.__class__.__name__ == 'gwrite':
statements += '\n' + item.get_src()
continue
if item.__class__.__name__ == 'attr':
# Ignore the attributes for now
continue
# Otherwise, the item must be a variable
var = item
# The tricky bit here is deciding whether we need the & before the variable name.
# We omit it in two cases: 1) the variable type is string, or 2) the variable is not a scalar
if (var.get_c_type() == 'string' or var.get_dimensions() != None):
var_prefix = ''
else:
var_prefix = '&'
statements += '\nadios_write (adios_handle, "' + var.get_fullpath() + '", ' + var_prefix + var.get_gwrite() + ');'
statements += '\n'
return statements
def get_fortran_read_statements (group):
statements = ""
# Make a selection to capture writes done by the corresponding process in the writing application
statements += 'call adios_selection_writeblock (s, rank)\n'
for var in group.get_vars():
if var.get_dimensions() == None:
continue
statements += 'call adios_schedule_read (fp, s, "' + var.get_name() + '", 1, 1, ' + var.get_gwrite() + ', adios_err)\n'
statements += '\ncall adios_perform_reads (fp, adios_err)\n'
statements += 'call adios_selection_delete (s)\n'
return statements
def get_c_read_statements (group):
statements = ""
# Make a selection to capture writes done by the corresponding process in the writing application
statements += 's = adios_selection_writeblock (rank);\n'
#statements += 'uint64_t counts[64];\n'
for var in group.get_vars():
if var.get_dimensions() == None:
continue
# The tricky bit here is deciding whether we need the & before the variable name.
# We omit it in two cases: 1) the variable type is string, or 2) the variable is not a scalar
if (var.get_c_type() == 'string' or var.get_dimensions() != None):
var_prefix = ''
else:
var_prefix = '&'
statements += 'adios_schedule_read (fp, s, "' + var.get_name() + '", 1, 1, ' + var_prefix + var.get_gwrite() + ');\n'
statements += 'adios_perform_reads (fp, 1);\n'
statements += 'adios_selection_delete (s);\n'
return statements
def generate_fortran (config):
# Output a gwrite_*.fh file for each group in the config
for group in config.get_groups():
# Open file - the filename is gwrite_<group>.fh
gwfile = open ('gwrite_' + group.get_name() + '.fh', 'w')
# Set groupsize
gwfile.write (get_fortran_groupsize_code (group) )
# Write vars
gwfile.write (get_fortran_write_statements (group) )
# Close file
gwfile.close()
# Output a gread_*.fh file for each group in the config
for group in config.get_groups():
# Open file - the filename is gread_<group>.fh
grfile = open ('gread_' + group.get_name() + '.fh', 'w')
# Read vars
grfile.write (get_fortran_read_statements (group) )
# Close file
grfile.close()
def generate_c (config):
#print "c"
# Output a gwrite_*.ch file for each group in the config
for group in config.get_groups():
# Open file - the filename is gwrite_<group>.ch
gwfile = open ('gwrite_' + group.get_name() + '.ch', 'w')
# Set groupsize
gwfile.write (get_c_groupsize_code (group) )
# Write vars
gwfile.write (get_c_write_statements (group) )
# Close ch file
gwfile.close()
# Output a gread_*.ch file for each group in the config
for group in config.get_groups():
# Open file - the filename is gread_<group>.ch
grfile = open ('gread_' + group.get_name() + '.ch', 'w')
# Read vars
grfile.write (get_c_read_statements (group) )
# Close ch file
grfile.close()
def main (argv=None):
# Must be called with one argument, the name of the xml file
if len (sys.argv) != 2:
print('Usage: gpp.py <config file>\n')
return 1
# If possible, run adios_lint to catch malformed config files
check_val = checkXML (sys.argv[1], os.path.dirname(sys.argv[0]))
if check_val != 'success':
return 1
# The ad_config object provides all relevant info from the XML file
config = ad_config.adiosConfig (sys.argv[1])
# Now just call the generator for the specified language
lang = config.get_host_language().lower()
if lang == 'fortran':
generate_fortran (config)
elif lang == 'c' or lang == 'cpp':
generate_c (config)
else:
print("Fatal: Language unknown or unspecified")
raise SystemExit
if __name__ == "__main__":
main()
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