mapnik/scons/scons-local-4.8.1/SCons/Tool/FortranCommon.py
2024-09-09 10:56:17 +01:00

252 lines
10 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
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# 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
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"""Routines for setting up Fortran, common to all dialects."""
import re
import os.path
from typing import Tuple, List
import SCons.Scanner.Fortran
import SCons.Tool
import SCons.Util
from SCons.Action import Action, CommandAction
from SCons.Defaults import StaticObjectEmitter, SharedObjectEmitter
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 = [mod.lower() + suffix for mod in modules]
for module in modules:
target.append(env.fs.File(module, moddir))
return target, source
def FortranEmitter(target, source, env) -> Tuple:
"""Create emitter for static objects."""
target, source = _fortranEmitter(target, source, env)
return StaticObjectEmitter(target, source, env)
def ShFortranEmitter(target, source, env) -> Tuple:
"""Create emitter for shared objects."""
target, source = _fortranEmitter(target, source, env)
return SharedObjectEmitter(target, source, env)
def ComputeFortranSuffixes(suffixes: List[str], ppsuffixes: List[str]) -> 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: regular Fortran source files
ppsuffixes: Fortran source files that should be
be run through the pre-processor
"""
assert len(suffixes) > 0
s = suffixes[0]
sup = s.upper()
upper_suffixes = [suf.upper() for suf in suffixes]
if SCons.Util.case_sensitive_suffixes(s, sup):
ppsuffixes.extend(upper_suffixes)
else:
suffixes.extend(upper_suffixes)
def CreateDialectActions(
dialect: str,
) -> Tuple[CommandAction, CommandAction, CommandAction, CommandAction]:
"""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: str,
suffixes: List[str],
ppsuffixes: List[str],
support_mods: bool = False,
) -> None:
"""Add dialect specific construction variables.
Args:
dialect: dialect name
suffixes: suffixes associated with this dialect
ppsuffixes: suffixes using cpp associated with this dialect
support_mods: 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."""
FortranSuffixes = env.get('FORTRANFILESUFFIXES', ['.f', '.for', '.ftn'])
FortranPPSuffixes = env.get('FORTRANPPFILESUFFIXES', ['.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."""
F77Suffixes = env.get('F77FILESUFFIXES', ['.f77'])
F77PPSuffixes = env.get('F77PPFILESUFFIXES', [])
DialectAddToEnv(env, "F77", F77Suffixes, F77PPSuffixes)
def add_f90_to_env(env) -> None:
"""Add Builders and construction variables for f90 dialect."""
F90Suffixes = env.get('F90FILESUFFIXES', ['.f90'])
F90PPSuffixes = env.get('F90PPFILESUFFIXES', [])
DialectAddToEnv(env, "F90", F90Suffixes, F90PPSuffixes, support_mods=True)
def add_f95_to_env(env) -> None:
"""Add Builders and construction variables for f95 dialect."""
F95Suffixes = env.get('F95FILESUFFIXES', ['.f95'])
F95PPSuffixes = env.get('F95PPFILESUFFIXES', [])
DialectAddToEnv(env, "F95", F95Suffixes, F95PPSuffixes, support_mods=True)
def add_f03_to_env(env) -> None:
"""Add Builders and construction variables for f03 dialect."""
F03Suffixes = env.get('F03FILESUFFIXES', ['.f03'])
F03PPSuffixes = env.get('F03PPFILESUFFIXES', [])
DialectAddToEnv(env, "F03", F03Suffixes, F03PPSuffixes, support_mods=True)
def add_f08_to_env(env) -> None:
"""Add Builders and construction variables for f08 dialect."""
F08Suffixes = env.get('F08FILESUFFIXES', ['.f08'])
F08PPSuffixes = env.get('F08PPFILESUFFIXES', [])
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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