mapnik/scons/scons-local-4.5.2/SCons/Tool/FortranCommon.py
2023-09-22 14:38:30 +01:00

290 lines
11 KiB
Python
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# MIT License
#
# Copyright The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
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# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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"""Routines for setting up Fortran, common to all dialects."""
import re
import os.path
from typing import Tuple
import SCons.Scanner.Fortran
import SCons.Tool
import SCons.Util
from SCons.Action import Action
def isfortran(env, source) -> bool:
"""Returns True if source has any fortran files in it.
Only checks based on filename suffixes, does not examine code.
"""
try:
fsuffixes = env['FORTRANSUFFIXES']
except KeyError:
# If no FORTRANSUFFIXES, no fortran tool, so there is no need to look
# for fortran sources.
return False
if not source:
# Source might be None for unusual cases like SConf.
return False
for s in source:
if s.sources:
ext = os.path.splitext(str(s.sources[0]))[1]
if ext in fsuffixes:
return True
return False
def _fortranEmitter(target, source, env) -> Tuple:
"""Common code for Fortran emitter.
Called by both the static and shared object emitters,
mainly to account for generated module files.
"""
node = source[0].rfile()
if not node.exists() and not node.is_derived():
print("Could not locate " + str(node.name))
return ([], [])
# This has to match the def_regex in the Fortran scanner
mod_regex = r"""(?i)^\s*MODULE\s+(?!PROCEDURE|SUBROUTINE|FUNCTION|PURE|ELEMENTAL)(\w+)"""
cre = re.compile(mod_regex,re.M)
# Retrieve all USE'd module names
modules = cre.findall(node.get_text_contents())
# Remove unique items from the list
modules = SCons.Util.unique(modules)
# Convert module name to a .mod filename
suffix = env.subst('$FORTRANMODSUFFIX', target=target, source=source)
moddir = env.subst('$FORTRANMODDIR', target=target, source=source)
modules = [x.lower() + suffix for x in modules]
for m in modules:
target.append(env.fs.File(m, moddir))
return (target, source)
def FortranEmitter(target, source, env) -> Tuple:
import SCons.Defaults
target, source = _fortranEmitter(target, source, env)
return SCons.Defaults.StaticObjectEmitter(target, source, env)
def ShFortranEmitter(target, source, env) -> Tuple:
import SCons.Defaults
target, source = _fortranEmitter(target, source, env)
return SCons.Defaults.SharedObjectEmitter(target, source, env)
def ComputeFortranSuffixes(suffixes, ppsuffixes) -> None:
"""Update the suffix lists to reflect the platform requirements.
If upper-cased suffixes can be distinguished from lower, those are
added to *ppsuffixes*. If not, they are added to *suffixes*.
Args:
suffixes (list): indicate regular Fortran source files
ppsuffixes (list): indicate Fortran source files that should be
be run through the pre-processor
"""
assert len(suffixes) > 0
s = suffixes[0]
sup = s.upper()
upper_suffixes = [_.upper() for _ in suffixes]
if SCons.Util.case_sensitive_suffixes(s, sup):
ppsuffixes.extend(upper_suffixes)
else:
suffixes.extend(upper_suffixes)
def CreateDialectActions(dialect) -> Tuple[Action, Action, Action, Action]:
"""Create dialect specific actions."""
CompAction = Action(f'${dialect}COM ', cmdstr=f'${dialect}COMSTR')
CompPPAction = Action(f'${dialect}PPCOM ', cmdstr=f'${dialect}PPCOMSTR')
ShCompAction = Action(f'$SH{dialect}COM ', cmdstr=f'$SH{dialect}COMSTR')
ShCompPPAction = Action(f'$SH{dialect}PPCOM ', cmdstr=f'$SH{dialect}PPCOMSTR')
return CompAction, CompPPAction, ShCompAction, ShCompPPAction
def DialectAddToEnv(env, dialect, suffixes, ppsuffixes, support_mods=False) -> None:
"""Add dialect specific construction variables.
Args:
dialect (str): dialect name
suffixes (list): suffixes associated with this dialect
ppsuffixes (list): suffixes using cpp associated with this dialect
support_mods (bool): whether this dialect supports modules
"""
ComputeFortranSuffixes(suffixes, ppsuffixes)
fscan = SCons.Scanner.Fortran.FortranScan(f"{dialect}PATH")
for suffix in suffixes + ppsuffixes:
SCons.Tool.SourceFileScanner.add_scanner(suffix, fscan)
env.AppendUnique(FORTRANSUFFIXES=suffixes + ppsuffixes)
compaction, compppaction, shcompaction, shcompppaction = \
CreateDialectActions(dialect)
static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
for suffix in suffixes:
static_obj.add_action(suffix, compaction)
shared_obj.add_action(suffix, shcompaction)
static_obj.add_emitter(suffix, FortranEmitter)
shared_obj.add_emitter(suffix, ShFortranEmitter)
for suffix in ppsuffixes:
static_obj.add_action(suffix, compppaction)
shared_obj.add_action(suffix, shcompppaction)
static_obj.add_emitter(suffix, FortranEmitter)
shared_obj.add_emitter(suffix, ShFortranEmitter)
if f'{dialect}FLAGS' not in env:
env[f'{dialect}FLAGS'] = SCons.Util.CLVar('')
if f'SH{dialect}FLAGS' not in env:
env[f'SH{dialect}FLAGS'] = SCons.Util.CLVar(f'${dialect}FLAGS')
# If a tool does not define fortran prefix/suffix for include path, use C ones
if f'INC{dialect}PREFIX' not in env:
env[f'INC{dialect}PREFIX'] = '$INCPREFIX'
if f'INC{dialect}SUFFIX' not in env:
env[f'INC{dialect}SUFFIX'] = '$INCSUFFIX'
env[f'_{dialect}INCFLAGS'] = f'${{_concat(INC{dialect}PREFIX, {dialect}PATH, INC{dialect}SUFFIX, __env__, RDirs, TARGET, SOURCE, affect_signature=False)}}'
if support_mods:
env[f'{dialect}COM'] = f'${dialect} -o $TARGET -c $FORTRANCOMMONFLAGS ${dialect}FLAGS $_{dialect}INCFLAGS $_FORTRANMODFLAG $SOURCES'
env[f'{dialect}PPCOM'] = f'${dialect} -o $TARGET -c $FORTRANCOMMONFLAGS ${dialect}FLAGS $CPPFLAGS $_CPPDEFFLAGS $_{dialect}INCFLAGS $_FORTRANMODFLAG $SOURCES'
env[f'SH{dialect}COM'] = f'$SH{dialect} -o $TARGET -c $FORTRANCOMMONFLAGS $SH{dialect}FLAGS $_{dialect}INCFLAGS $_FORTRANMODFLAG $SOURCES'
env[f'SH{dialect}PPCOM'] = f'$SH{dialect} -o $TARGET -c $FORTRANCOMMONFLAGS $SH{dialect}FLAGS $CPPFLAGS $_CPPDEFFLAGS $_{dialect}INCFLAGS $_FORTRANMODFLAG $SOURCES'
else:
env[f'{dialect}COM'] = f'${dialect} -o $TARGET -c $FORTRANCOMMONFLAGS ${dialect}FLAGS $_{dialect}INCFLAGS $SOURCES'
env[f'{dialect}PPCOM'] = f'${dialect} -o $TARGET -c $FORTRANCOMMONFLAGS ${dialect}FLAGS $CPPFLAGS $_CPPDEFFLAGS $_{dialect}INCFLAGS $SOURCES'
env[f'SH{dialect}COM'] = f'$SH{dialect} -o $TARGET -c $FORTRANCOMMONFLAGS $SH{dialect}FLAGS $_{dialect}INCFLAGS $SOURCES'
env[f'SH{dialect}PPCOM'] = f'$SH{dialect} -o $TARGET -c $FORTRANCOMMONFLAGS $SH{dialect}FLAGS $CPPFLAGS $_CPPDEFFLAGS $_{dialect}INCFLAGS $SOURCES'
def add_fortran_to_env(env) -> None:
"""Add Builders and construction variables for Fortran/generic."""
try:
FortranSuffixes = env['FORTRANFILESUFFIXES']
except KeyError:
FortranSuffixes = ['.f', '.for', '.ftn']
try:
FortranPPSuffixes = env['FORTRANPPFILESUFFIXES']
except KeyError:
FortranPPSuffixes = ['.fpp', '.FPP']
DialectAddToEnv(env, "FORTRAN", FortranSuffixes, FortranPPSuffixes, support_mods=True)
# Module support
env['FORTRANMODPREFIX'] = '' # like $LIBPREFIX
env['FORTRANMODSUFFIX'] = '.mod' # like $LIBSUFFIX
env['FORTRANMODDIR'] = '' # where the compiler should place .mod files
env['FORTRANMODDIRPREFIX'] = '' # some prefix to $FORTRANMODDIR - similar to $INCPREFIX
env['FORTRANMODDIRSUFFIX'] = '' # some suffix to $FORTRANMODDIR - similar to $INCSUFFIX
env['_FORTRANMODFLAG'] = '$( ${_concat(FORTRANMODDIRPREFIX, FORTRANMODDIR, FORTRANMODDIRSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
def add_f77_to_env(env) -> None:
"""Add Builders and construction variables for f77 dialect."""
try:
F77Suffixes = env['F77FILESUFFIXES']
except KeyError:
F77Suffixes = ['.f77']
try:
F77PPSuffixes = env['F77PPFILESUFFIXES']
except KeyError:
F77PPSuffixes = []
DialectAddToEnv(env, "F77", F77Suffixes, F77PPSuffixes)
def add_f90_to_env(env) -> None:
"""Add Builders and construction variables for f90 dialect."""
try:
F90Suffixes = env['F90FILESUFFIXES']
except KeyError:
F90Suffixes = ['.f90']
try:
F90PPSuffixes = env['F90PPFILESUFFIXES']
except KeyError:
F90PPSuffixes = []
DialectAddToEnv(env, "F90", F90Suffixes, F90PPSuffixes, support_mods=True)
def add_f95_to_env(env) -> None:
"""Add Builders and construction variables for f95 dialect."""
try:
F95Suffixes = env['F95FILESUFFIXES']
except KeyError:
F95Suffixes = ['.f95']
try:
F95PPSuffixes = env['F95PPFILESUFFIXES']
except KeyError:
F95PPSuffixes = []
DialectAddToEnv(env, "F95", F95Suffixes, F95PPSuffixes, support_mods=True)
def add_f03_to_env(env) -> None:
"""Add Builders and construction variables for f03 dialect."""
try:
F03Suffixes = env['F03FILESUFFIXES']
except KeyError:
F03Suffixes = ['.f03']
try:
F03PPSuffixes = env['F03PPFILESUFFIXES']
except KeyError:
F03PPSuffixes = []
DialectAddToEnv(env, "F03", F03Suffixes, F03PPSuffixes, support_mods=True)
def add_f08_to_env(env) -> None:
"""Add Builders and construction variables for f08 dialect."""
try:
F08Suffixes = env['F08FILESUFFIXES']
except KeyError:
F08Suffixes = ['.f08']
try:
F08PPSuffixes = env['F08PPFILESUFFIXES']
except KeyError:
F08PPSuffixes = []
DialectAddToEnv(env, "F08", F08Suffixes, F08PPSuffixes, support_mods=True)
def add_all_to_env(env) -> None:
"""Add builders and construction variables for all supported dialects."""
add_fortran_to_env(env)
add_f77_to_env(env)
add_f90_to_env(env)
add_f95_to_env(env)
add_f03_to_env(env)
add_f08_to_env(env)
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
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