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##
## Copyright (C) by Argonne National Laboratory
## See COPYRIGHT in top-level directory
##
from local_python import MPI_API_Global as G
from local_python.binding_common import *
from local_python import RE
import re
def dump_f90_func(func, is_pmpi=False, is_cptr=False):
f90_mapping = get_kind_map('F90', False)
f_param_list = []
decl_list = []
tkr_list = [] # variables that need IGNORE tkr (type-kind-rank) check
uses = {}
for p in func['parameters']:
if re.search(r'suppress=.*f90_parameter', p['t']):
continue
if re.search(r'large_only', p['t']):
continue
f_param_list.append(p['name'])
f_type = f90_mapping[p['kind']]
if p['kind'] == "C_BUFFER" and is_cptr:
f_type = "TYPE(C_PTR)"
if re.match(r'<type>', f_type, re.IGNORECASE):
# TODO: configure it
if False:
# use assumed type
f_type = 'TYPE(*), INTENT(IN)'
else:
f_type = 'REAL'
tkr_list.append(p['name'])
elif RE.match(r'.*(MPI_\w+_KIND)', f_type, re.IGNORECASE):
int_kind = RE.m.group(1)
if RE.match(r'MPI_Type_(lb|ub|extent|hvector|hindexed|struct)', func['name'], re.IGNORECASE):
f_type = 'INTEGER'
else:
uses[int_kind] = 1
if p['kind'] == 'STRING_ARRAY':
decl = "%s :: %s(*)" % (f_type, p['name'])
elif p['kind'] == 'STRING_2DARRAY':
if re.match(r'mpi_comm_spawn_multiple', func['name'], re.IGNORECASE):
decl = "%s :: %s(count, *)" % (f_type, p['name'])
else:
raise Exception("Unexpected")
elif p['length'] is not None:
if re.match(r'CHARACTER.*\*', f_type, re.IGNORECASE):
decl = "%s :: %s" % (f_type, p['name'])
elif isinstance(p['length'], list):
# assume [n, 3] as ranges in MPI_Group_range_excl
decl = "%s :: %s(%s, *)" % (f_type, p['name'], p['length'][1])
elif p['kind'] == 'STATUS':
uses['MPI_STATUS_SIZE'] = 1
decl = "INTEGER :: %s(MPI_STATUS_SIZE, *)" % (p['name'])
elif p['length']:
decl = "%s :: %s(%s)" % (f_type, p['name'], p['length'])
else:
decl = "%s :: %s(*)" % (f_type, p['name'])
elif p['kind'] == 'STATUS':
uses['MPI_STATUS_SIZE'] = 1
decl = "INTEGER :: %s(MPI_STATUS_SIZE)" % (p['name'])
else:
decl = "%s :: %s" % (f_type, p['name'])
decl_list.append(decl)
def dump_uses():
G.out.append("USE MPI_CONSTANTS, ONLY: %s" % ', '.join(uses.keys()))
def dump_ignore_tkr():
tkr_vars = ', '.join(tkr_list)
if G.opts['ignore-tkr'] == 'gcc': # e.g. gfort
# gfortran since 4.9
G.out.append("!GCC$ ATTRIBUTES NO_ARG_CHECK :: " + tkr_vars)
elif G.opts['ignore-tkr'] == 'dec': # e.g. ifort
G.out.append("!DEC$ ATTRIBUTES NO_ARG_CHECK :: " + tkr_vars)
elif G.opts['ignore-tkr'] == 'pragma': # e.g. sunfort
G.out.append("!$PRAGMA IGNORE_TKR " + tkr_vars)
elif G.opts['ignore-tkr'] == 'dir': # e.g. flang
G.out.append("!DIR$ IGNORE_TKR " + tkr_vars)
elif G.opts['ignore-tkr'] == 'ibm': # e.g. IBM
G.out.append("!IBM* IGNORE_TKR " + tkr_vars)
elif G.opts['ignore-tkr'] == 'assumed': # Assumed type and rank
G.out.append("TYPE(*), DIMENSION(..) :: " + tkr_vars)
else:
raise Exception("Unrognized tkr options: %s" % G.opts['ignore-tkr'])
if tkr_list and 'ignore-tkr' not in G.opts:
# skip routines with choice buffers unless we can ignore TKR check
return
func_name = get_function_name(func)
if is_pmpi:
func_name = "P" + func_name
if is_cptr:
func_name = func_name + "_cptr"
if 'return' not in func:
if not len(f_param_list) or not RE.match(r'ierr(or)?', f_param_list[-1]):
f_param_list.append('ierror')
decl_list.append("INTEGER :: ierror")
dump_fortran_line("SUBROUTINE %s(%s)" % (func_name, ', '.join(f_param_list)))
else:
dump_fortran_line("FUNCTION %s(%s) result(res)" % (func_name, ', '.join(f_param_list)))
ret_type = f90_mapping[func['return']]
decl_list.append("%s :: res" % ret_type)
G.out.append("INDENT")
if uses:
dump_uses()
if is_cptr:
G.out.append("USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_PTR");
G.out.append("IMPLICIT NONE")
if tkr_list:
dump_ignore_tkr()
G.out.extend(decl_list)
G.out.append("DEDENT")
if 'return' not in func:
G.out.append("END SUBROUTINE %s" % func_name)
else:
G.out.append("END FUNCTION %s" % func_name)
def dump_f90_constants():
def get_op_procname(a, op):
if RE.match(r'MPIX?_(\w+)', a):
a = RE.m.group(1)
if op == '.EQ.':
return a.lower() + 'eq'
elif op == '.NE.':
return a.lower() + 'neq'
else:
raise Exception("Unrecognized op: %s" % op)
# ----------------------------------
G.out.append("INCLUDE 'mpifnoext.h'")
G.out.append("")
dump_F_type_open('MPI_Status')
for field in G.status_fields:
G.out.append("INTEGER :: %s" % field)
dump_F_type_close('MPI_Status')
for a in G.handle_list:
G.out.append("")
dump_F_type_open("%s" % a)
G.out.append("INTEGER :: MPI_VAL")
dump_F_type_close("%s" % a)
for op in ['.EQ.', '.NE.']:
G.out.append("")
G.out.append("INTERFACE OPERATOR(%s)" % op)
for a in G.handle_list:
G.out.append(" MODULE PROCEDURE %s" % get_op_procname(a, op))
G.out.append("END INTERFACE")
G.out.append("")
G.out.append("CONTAINS")
for op in ['.EQ.', '.NE.']:
for a in G.handle_list:
procname = get_op_procname(a, op)
G.out.append("")
G.out.append("LOGICAL FUNCTION %s(lhs, rhs)" % procname)
G.out.append(" TYPE(%s), INTENT(IN) :: lhs, rhs" % a)
G.out.append(" %s = lhs%%MPI_VAL %s rhs%%MPI_VAL" % (procname, op))
G.out.append("END FUNCTION %s" % procname)
def dump_f90_sizeofs():
# deprecated in MPI-4, replaced by Fortran intrinsic c_sizeof() and storage_size()
types = {} # list of types we support
types['CH1'] = "CHARACTER"
types["L%d" % int(G.opts['f-logical-size'])] = "LOGICAL"
# NOTE: we assume the fixed-size types are available. The alternative is to use
# integer kind and real kind. MPI_SIZEOF is deprecated. We'll keep it simple
# until we encounter compilers doesn't support fixed-size types.
types['I1'] = "INTEGER*1"
types['I2'] = "INTEGER*2"
types['I4'] = "INTEGER*4"
types['I8'] = "INTEGER*8"
types['R4'] = "REAL*4"
types['R8'] = "REAL*8"
types['CX8'] = "COMPLEX*8"
types['CX16'] = "COMPLEX*16"
G.out.append("PUBLIC :: MPI_SIZEOF")
G.out.append("INTERFACE MPI_SIZEOF")
for k in types.keys():
G.out.append(" MODULE PROCEDURE MPI_SIZEOF_%s" % k)
G.out.append(" MODULE PROCEDURE MPI_SIZEOF_%sV" % k)
G.out.append("END INTERFACE")
G.out.append("")
G.out.append("CONTAINS")
for k, v in types.items():
if RE.match(r'[A-Z]+(\d+)', k):
n = int(RE.m.group(1))
# Scalar
G.out.append("")
G.out.append("SUBROUTINE MPI_SIZEOF_%s(X, SIZE, IERRROR)" %k)
G.out.append(" %s :: X" % v)
G.out.append(" INTEGER :: SIZE, IERRROR")
G.out.append(" SIZE = %d" % n)
G.out.append(" IERRROR = 0")
G.out.append("END SUBROUTINE MPI_SIZEOF_%s" % k)
# Array
G.out.append("")
G.out.append("SUBROUTINE MPI_SIZEOF_%sV(X, SIZE, IERRROR)" %k)
G.out.append(" %s :: X(*)" % v)
G.out.append(" INTEGER :: SIZE, IERRROR")
G.out.append(" SIZE = %d" % n)
G.out.append(" IERRROR = 0")
G.out.append("END SUBROUTINE MPI_SIZEOF_%sV" % k)
#----------------------------------------
def check_func_directives(func):
if 'dir' in func and func['dir'] == "mpit":
func['_skip_fortran'] = 1
elif RE.match(r'mpix_(grequest_|type_iov)', func['name'], re.IGNORECASE):
func['_skip_fortran'] = 1
elif RE.match(r'mpi_attr_', func['name'], re.IGNORECASE):
func['_skip_fortran'] = 1
elif RE.match(r'.*_function', func['name'], re.IGNORECASE):
func['_skip_fortran'] = 1
elif RE.match(r'mpi_pcontrol', func['name'], re.IGNORECASE):
func['_skip_fortran'] = 1
elif RE.match(r'mpi_\w+_(f|f08|c)2(f|f08|c)$', func['name'], re.IGNORECASE):
# implemented in mpi_f08_types.f90
func['_skip_fortran'] = 1
#----------------------------------------
def dump_F_module_open(name):
G.out.append("MODULE %s" % name)
G.out.append("INDENT")
G.out.append("IMPLICIT NONE")
def dump_F_module_close(name):
G.out.append("DEDENT")
G.out.append("END MODULE %s" % name)
def dump_F_type_open(name):
G.out.append("TYPE :: %s" % name)
G.out.append("INDENT")
G.out.append("SEQUENCE")
def dump_F_type_close(name):
G.out.append("DEDENT")
G.out.append("END TYPE %s" % name)
def dump_fortran_line(s):
tlist = split_line_with_break(s, '', 100)
n = len(tlist)
if n > 1:
for i in range(n-1):
tlist[i] = tlist[i] + ' &'
G.out.extend(tlist)
def dump_f90_file(f, lines):
print(" --> [%s]" % f)
with open(f, "w") as Out:
for l in G.copyright_f90:
print(l, file=Out)
indent = 0
for l in lines:
if RE.match(r'INDENT', l):
indent += 1
elif RE.match(r'DEDENT', l):
indent -= 1
else:
if indent > 0:
print(" " * indent, end='', file=Out)
print(l, file=Out)
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