pandemonium_engine/SCSCons/Tool/PharLapCommon.py

117 lines
4.3 KiB
Python

"""SCons.Tool.PharLapCommon
This module contains common code used by all Tools for the
Phar Lap ETS tool chain. Right now, this is linkloc and
386asm.
"""
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
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# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# 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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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import os
import os.path
import SCons.Errors
import SCons.Util
import re
def getPharLapPath():
"""Reads the registry to find the installed path of the Phar Lap ETS
development kit.
Raises UserError if no installed version of Phar Lap can
be found."""
if not SCons.Util.can_read_reg:
raise SCons.Errors.InternalError("No Windows registry module was found")
try:
k=SCons.Util.RegOpenKeyEx(SCons.Util.HKEY_LOCAL_MACHINE,
'SOFTWARE\\Pharlap\\ETS')
val, type = SCons.Util.RegQueryValueEx(k, 'BaseDir')
# The following is a hack...there is (not surprisingly)
# an odd issue in the Phar Lap plug in that inserts
# a bunch of junk data after the phar lap path in the
# registry. We must trim it.
idx=val.find('\0')
if idx >= 0:
val = val[:idx]
return os.path.normpath(val)
except SCons.Util.RegError:
raise SCons.Errors.UserError("Cannot find Phar Lap ETS path in the registry. Is it installed properly?")
REGEX_ETS_VER = re.compile(r'#define\s+ETS_VER\s+([0-9]+)')
def getPharLapVersion():
"""Returns the version of the installed ETS Tool Suite as a
decimal number. This version comes from the ETS_VER #define in
the embkern.h header. For example, '#define ETS_VER 1010' (which
is what Phar Lap 10.1 defines) would cause this method to return
1010. Phar Lap 9.1 does not have such a #define, but this method
will return 910 as a default.
Raises UserError if no installed version of Phar Lap can
be found."""
include_path = os.path.join(getPharLapPath(), os.path.normpath("include/embkern.h"))
if not os.path.exists(include_path):
raise SCons.Errors.UserError("Cannot find embkern.h in ETS include directory.\nIs Phar Lap ETS installed properly?")
with open(include_path, 'r') as f:
mo = REGEX_ETS_VER.search(f.read())
if mo:
return int(mo.group(1))
# Default return for Phar Lap 9.1
return 910
def addPharLapPaths(env):
"""This function adds the path to the Phar Lap binaries, includes,
and libraries, if they are not already there."""
ph_path = getPharLapPath()
try:
env_dict = env['ENV']
except KeyError:
env_dict = {}
env['ENV'] = env_dict
SCons.Util.AddPathIfNotExists(env_dict, 'PATH',
os.path.join(ph_path, 'bin'))
SCons.Util.AddPathIfNotExists(env_dict, 'INCLUDE',
os.path.join(ph_path, 'include'))
SCons.Util.AddPathIfNotExists(env_dict, 'LIB',
os.path.join(ph_path, 'lib'))
SCons.Util.AddPathIfNotExists(env_dict, 'LIB',
os.path.join(ph_path, os.path.normpath('lib/vclib')))
env['PHARLAP_PATH'] = getPharLapPath()
env['PHARLAP_VERSION'] = str(getPharLapVersion())
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
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