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+"""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 (c) 2001 - 2014 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,
+# 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
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# 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__ = "src/engine/SCons/Tool/PharLapCommon.py 2014/09/27 12:51:43 garyo"
+
+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?")
+ mo = REGEX_ETS_VER.search(open(include_path, 'r').read())
+ if mo:
+ return int(mo.group(1))
+ # Default return for Phar Lap 9.1
+ return 910
+
+def addPathIfNotExists(env_dict, key, path, sep=os.pathsep):
+ """This function will take 'key' out of the dictionary
+ 'env_dict', then add the path 'path' to that key if it is not
+ already there. This treats the value of env_dict[key] as if it
+ has a similar format to the PATH variable...a list of paths
+ separated by tokens. The 'path' will get added to the list if it
+ is not already there."""
+ try:
+ is_list = 1
+ paths = env_dict[key]
+ if not SCons.Util.is_List(env_dict[key]):
+ paths = paths.split(sep)
+ is_list = 0
+ if os.path.normcase(path) not in list(map(os.path.normcase, paths)):
+ paths = [ path ] + paths
+ if is_list:
+ env_dict[key] = paths
+ else:
+ env_dict[key] = sep.join(paths)
+ except KeyError:
+ env_dict[key] = path
+
+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
+ addPathIfNotExists(env_dict, 'PATH',
+ os.path.join(ph_path, 'bin'))
+ addPathIfNotExists(env_dict, 'INCLUDE',
+ os.path.join(ph_path, 'include'))
+ addPathIfNotExists(env_dict, 'LIB',
+ os.path.join(ph_path, 'lib'))
+ 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:
+# vim: set expandtab tabstop=4 shiftwidth=4: