diff options
Diffstat (limited to 'engine/SCons/Tool/JavaCommon.py')
| -rw-r--r-- | engine/SCons/Tool/JavaCommon.py | 232 |
1 files changed, 210 insertions, 22 deletions
diff --git a/engine/SCons/Tool/JavaCommon.py b/engine/SCons/Tool/JavaCommon.py index 9004cee..6091fdf 100644 --- a/engine/SCons/Tool/JavaCommon.py +++ b/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 74b2c53bc42290e911b334a6b44f187da698a668 2017/11/14 13:16:53 bdbaddog" +__revision__ = "src/engine/SCons/Tool/JavaCommon.py 72ae09dc35ac2626f8ff711d8c4b30b6138e08e3 2019-08-08 14:50:06 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 |