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-rw-r--r--src/engine/SCons/Tool/JavaCommon.py232
1 files changed, 210 insertions, 22 deletions
diff --git a/src/engine/SCons/Tool/JavaCommon.py b/src/engine/SCons/Tool/JavaCommon.py
index 5c2507d..1e58af6 100644
--- a/src/engine/SCons/Tool/JavaCommon.py
+++ b/src/engine/SCons/Tool/JavaCommon.py
@@ -5,7 +5,7 @@ Stuff for processing Java.
"""
#
-# Copyright (c) 2001 - 2017 The SCons Foundation
+# Copyright (c) 2001 - 2019 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -27,16 +27,48 @@ Stuff for processing Java.
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
-__revision__ = "src/engine/SCons/Tool/JavaCommon.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"
+__revision__ = "src/engine/SCons/Tool/JavaCommon.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"
import os
import os.path
import re
+import glob
java_parsing = 1
default_java_version = '1.4'
+# a switch for which jdk versions to use the Scope state for smarter
+# anonymous inner class parsing.
+scopeStateVersions = ('1.8')
+
+# Glob patterns for use in finding where the JDK is.
+# These are pairs, *dir_glob used in the general case,
+# *version_dir_glob if matching only a specific version.
+# For now only used for Windows.
+java_win32_dir_glob = 'C:/Program Files*/Java/jdk*/bin'
+# On windows, since Java 9, there is a dash between 'jdk' and the version
+# string that wasn't there before. this glob should catch either way.
+java_win32_version_dir_glob = 'C:/Program Files*/Java/jdk*%s*/bin'
+
+# Glob patterns for use in finding where the JDK headers are.
+# These are pairs, *dir_glob used in the general case,
+# *version_dir_glob if matching only a specific version.
+java_macos_include_dir_glob = '/System/Library/Frameworks/JavaVM.framework/Headers/'
+java_macos_version_include_dir_glob = '/System/Library/Frameworks/JavaVM.framework/Versions/%s*/Headers/'
+
+java_linux_include_dirs_glob = [
+ '/usr/lib/jvm/default-java/include',
+ '/usr/lib/jvm/java-*/include'
+]
+# Need to match path like below (from Centos 7)
+# /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.x86_64/include/
+java_linux_version_include_dirs_glob = [
+ '/usr/lib/jvm/java-*-sun-%s*/include',
+ '/usr/lib/jvm/java-%s*-openjdk*/include',
+ '/usr/java/jdk%s*/include'
+]
+
if java_parsing:
# Parse Java files for class names.
#
@@ -59,13 +91,15 @@ if java_parsing:
r'\d*\.\d*|[A-Za-z_][\w\$\.]*|<[A-Za-z_]\w+>|' +
r'/\*|\*/|\[\])')
+
class OuterState(object):
"""The initial state for parsing a Java file for classes,
interfaces, and anonymous inner classes."""
+
def __init__(self, version=default_java_version):
- if not version in ('1.1', '1.2', '1.3','1.4', '1.5', '1.6', '1.7',
- '1.8', '5', '6'):
+ if version not in ('1.1', '1.2', '1.3', '1.4', '1.5', '1.6', '1.7',
+ '1.8', '5', '6', '9.0', '10.0', '11.0', '12.0'):
msg = "Java version %s not supported" % version
raise NotImplementedError(msg)
@@ -115,8 +149,8 @@ if java_parsing:
ret = SkipState(1, self)
self.skipState = ret
return ret
-
- def __getAnonStack(self):
+
+ def _getAnonStack(self):
return self.anonStacksStack[-1]
def openBracket(self):
@@ -125,15 +159,16 @@ if java_parsing:
def closeBracket(self):
self.brackets = self.brackets - 1
if len(self.stackBrackets) and \
- self.brackets == self.stackBrackets[-1]:
+ self.brackets == self.stackBrackets[-1]:
self.listOutputs.append('$'.join(self.listClasses))
self.localClasses.pop()
self.listClasses.pop()
self.anonStacksStack.pop()
self.stackBrackets.pop()
if len(self.stackAnonClassBrackets) and \
- self.brackets == self.stackAnonClassBrackets[-1]:
- self.__getAnonStack().pop()
+ self.brackets == self.stackAnonClassBrackets[-1] and \
+ self.version not in scopeStateVersions:
+ self._getAnonStack().pop()
self.stackAnonClassBrackets.pop()
def parseToken(self, token):
@@ -145,13 +180,13 @@ if java_parsing:
self.openBracket()
elif token == '}':
self.closeBracket()
- elif token in [ '"', "'" ]:
+ elif token in ['"', "'"]:
return IgnoreState(token, self)
elif token == "new":
# anonymous inner class
if len(self.listClasses) > 0:
return self.__getAnonClassState()
- return self.__getSkipState() # Skip the class name
+ return self.__getSkipState() # Skip the class name
elif token in ['class', 'interface', 'enum']:
if len(self.listClasses) == 0:
self.nextAnon = 1
@@ -171,28 +206,99 @@ if java_parsing:
if self.version in ('1.1', '1.2', '1.3', '1.4'):
clazz = self.listClasses[0]
self.listOutputs.append('%s$%d' % (clazz, self.nextAnon))
- elif self.version in ('1.5', '1.6', '1.7', '1.8', '5', '6'):
+ elif self.version in ('1.5', '1.6', '1.7', '1.8', '5', '6', '9.0', '10.0', '11.0', '12.0'):
self.stackAnonClassBrackets.append(self.brackets)
className = []
className.extend(self.listClasses)
- self.__getAnonStack()[-1] = self.__getAnonStack()[-1] + 1
- for anon in self.__getAnonStack():
+ self._getAnonStack()[-1] = self._getAnonStack()[-1] + 1
+ for anon in self._getAnonStack():
className.append(str(anon))
self.listOutputs.append('$'.join(className))
self.nextAnon = self.nextAnon + 1
- self.__getAnonStack().append(0)
+ self._getAnonStack().append(0)
def setPackage(self, package):
self.package = package
+
+ class ScopeState(object):
+ """
+ A state that parses code within a scope normally,
+ within the confines of a scope.
+ """
+
+ def __init__(self, old_state):
+ self.outer_state = old_state.outer_state
+ self.old_state = old_state
+ self.brackets = 0
+
+ def __getClassState(self):
+ try:
+ return self.classState
+ except AttributeError:
+ ret = ClassState(self)
+ self.classState = ret
+ return ret
+
+ def __getAnonClassState(self):
+ try:
+ return self.anonState
+ except AttributeError:
+ ret = SkipState(1, AnonClassState(self))
+ self.anonState = ret
+ return ret
+
+ def __getSkipState(self):
+ try:
+ return self.skipState
+ except AttributeError:
+ ret = SkipState(1, self)
+ self.skipState = ret
+ return ret
+
+ def openBracket(self):
+ self.brackets = self.brackets + 1
+
+ def closeBracket(self):
+ self.brackets = self.brackets - 1
+
+ def parseToken(self, token):
+ # if self.brackets == 0:
+ # return self.old_state.parseToken(token)
+ if token[:2] == '//':
+ return IgnoreState('\n', self)
+ elif token == '/*':
+ return IgnoreState('*/', self)
+ elif token == '{':
+ self.openBracket()
+ elif token == '}':
+ self.closeBracket()
+ if self.brackets == 0:
+ self.outer_state._getAnonStack().pop()
+ return self.old_state
+ elif token in ['"', "'"]:
+ return IgnoreState(token, self)
+ elif token == "new":
+ # anonymous inner class
+ return self.__getAnonClassState()
+ elif token == '.':
+ # Skip the attribute, it might be named "class", in which
+ # case we don't want to treat the following token as
+ # an inner class name...
+ return self.__getSkipState()
+ return self
+
+
class AnonClassState(object):
"""A state that looks for anonymous inner classes."""
+
def __init__(self, old_state):
# outer_state is always an instance of OuterState
self.outer_state = old_state.outer_state
self.old_state = old_state
self.brace_level = 0
+
def parseToken(self, token):
# This is an anonymous class if and only if the next
# non-whitespace token is a bracket. Everything between
@@ -212,32 +318,40 @@ if java_parsing:
if token == 'new':
# look further for anonymous inner class
return SkipState(1, AnonClassState(self))
- elif token in [ '"', "'" ]:
+ elif token in ['"', "'"]:
return IgnoreState(token, self)
elif token == ')':
self.brace_level = self.brace_level - 1
return self
if token == '{':
self.outer_state.addAnonClass()
+ if self.outer_state.version in scopeStateVersions:
+ return ScopeState(old_state=self.old_state).parseToken(token)
return self.old_state.parseToken(token)
+
class SkipState(object):
"""A state that will skip a specified number of tokens before
reverting to the previous state."""
+
def __init__(self, tokens_to_skip, old_state):
self.tokens_to_skip = tokens_to_skip
self.old_state = old_state
+
def parseToken(self, token):
self.tokens_to_skip = self.tokens_to_skip - 1
if self.tokens_to_skip < 1:
return self.old_state
return self
+
class ClassState(object):
"""A state we go into when we hit a class or interface keyword."""
+
def __init__(self, outer_state):
# outer_state is always an instance of OuterState
self.outer_state = outer_state
+
def parseToken(self, token):
# the next non-whitespace token should be the name of the class
if token == '\n':
@@ -245,14 +359,14 @@ if java_parsing:
# If that's an inner class which is declared in a method, it
# requires an index prepended to the class-name, e.g.
# 'Foo$1Inner'
- # http://scons.tigris.org/issues/show_bug.cgi?id=2087
+ # https://github.com/SCons/scons/issues/2087
if self.outer_state.localClasses and \
- self.outer_state.stackBrackets[-1] > \
- self.outer_state.stackBrackets[-2]+1:
+ self.outer_state.stackBrackets[-1] > \
+ self.outer_state.stackBrackets[-2] + 1:
locals = self.outer_state.localClasses[-1]
try:
idx = locals[token]
- locals[token] = locals[token]+1
+ locals[token] = locals[token] + 1
except KeyError:
locals[token] = 1
token = str(locals[token]) + token
@@ -261,29 +375,39 @@ if java_parsing:
self.outer_state.anonStacksStack.append([0])
return self.outer_state
+
class IgnoreState(object):
"""A state that will ignore all tokens until it gets to a
specified token."""
+
def __init__(self, ignore_until, old_state):
self.ignore_until = ignore_until
self.old_state = old_state
+
def parseToken(self, token):
if self.ignore_until == token:
return self.old_state
return self
+
class PackageState(object):
"""The state we enter when we encounter the package keyword.
We assume the next token will be the package name."""
+
def __init__(self, outer_state):
# outer_state is always an instance of OuterState
self.outer_state = outer_state
+
def parseToken(self, token):
self.outer_state.setPackage(token)
return self.outer_state
+
def parse_java_file(fn, version=default_java_version):
- return parse_java(open(fn, 'r').read(), version)
+ with open(fn, 'r') as f:
+ data = f.read()
+ return parse_java(data, version)
+
def parse_java(contents, version=default_java_version, trace=None):
"""Parse a .java file and return a double of package directory,
@@ -315,7 +439,71 @@ else:
is that the file name matches the public class name, and that
the path to the file is the same as the package name.
"""
- return os.path.split(file)
+ return os.path.split(fn)
+
+
+def get_java_install_dirs(platform, version=None):
+ """
+ Find the java jdk installation directories.
+
+ This list is intended to supply as "default paths" for use when looking
+ up actual java binaries.
+
+ :param platform: selector for search algorithm.
+ :param version: If specified, only look for java sdk's of this version
+ :return: list of default paths for java.
+ """
+
+ paths = []
+ if platform == 'win32':
+ if version:
+ paths = glob.glob(java_win32_version_dir_glob % version)
+ else:
+ paths = glob.glob(java_win32_dir_glob)
+ else:
+ # other platforms, do nothing for now
+ pass
+
+ return sorted(paths)
+
+
+def get_java_include_paths(env, javac, version):
+ """
+ Find java include paths for JNI building.
+
+ :param env: construction environment, used to extract platform.
+ :param javac: path to detected javac.
+ :return: list of paths.
+ """
+
+ paths = []
+ if not javac:
+ # there are no paths if we've not detected javac.
+ pass
+ elif env['PLATFORM'] == 'win32':
+ # on Windows, we have the right path to javac, so look locally
+ javac_bin_dir = os.path.dirname(javac)
+ java_inc_dir = os.path.normpath(os.path.join(javac_bin_dir, '..', 'include'))
+ paths = [java_inc_dir, os.path.join(java_inc_dir, 'win32')]
+ elif env['PLATFORM'] == 'darwin':
+ if not version:
+ paths = [java_macos_include_dir_glob]
+ else:
+ paths = sorted(glob.glob(java_macos_version_include_dir_glob % version))
+ else:
+ base_paths = []
+ if not version:
+ for p in java_linux_include_dirs_glob:
+ base_paths.extend(glob.glob(p))
+ else:
+ for p in java_linux_version_include_dirs_glob:
+ base_paths.extend(glob.glob(p % version))
+
+ for p in base_paths:
+ paths.extend([p, os.path.join(p, 'linux')])
+
+ # print("PATHS:%s"%paths)
+ return paths
# Local Variables:
# tab-width:4