Update prebuilt Clang to r416183b from Android.
https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef
clang 12.0.5 (based on r416183b) from build 7284624.
Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/python3/lib/python3.9/symtable.py b/linux-x64/clang/python3/lib/python3.9/symtable.py
new file mode 100644
index 0000000..521540f
--- /dev/null
+++ b/linux-x64/clang/python3/lib/python3.9/symtable.py
@@ -0,0 +1,252 @@
+"""Interface to the compiler's internal symbol tables"""
+
+import _symtable
+from _symtable import (USE, DEF_GLOBAL, DEF_NONLOCAL, DEF_LOCAL, DEF_PARAM,
+ DEF_IMPORT, DEF_BOUND, DEF_ANNOT, SCOPE_OFF, SCOPE_MASK, FREE,
+ LOCAL, GLOBAL_IMPLICIT, GLOBAL_EXPLICIT, CELL)
+
+import weakref
+
+__all__ = ["symtable", "SymbolTable", "Class", "Function", "Symbol"]
+
+def symtable(code, filename, compile_type):
+ top = _symtable.symtable(code, filename, compile_type)
+ return _newSymbolTable(top, filename)
+
+class SymbolTableFactory:
+ def __init__(self):
+ self.__memo = weakref.WeakValueDictionary()
+
+ def new(self, table, filename):
+ if table.type == _symtable.TYPE_FUNCTION:
+ return Function(table, filename)
+ if table.type == _symtable.TYPE_CLASS:
+ return Class(table, filename)
+ return SymbolTable(table, filename)
+
+ def __call__(self, table, filename):
+ key = table, filename
+ obj = self.__memo.get(key, None)
+ if obj is None:
+ obj = self.__memo[key] = self.new(table, filename)
+ return obj
+
+_newSymbolTable = SymbolTableFactory()
+
+
+class SymbolTable:
+
+ def __init__(self, raw_table, filename):
+ self._table = raw_table
+ self._filename = filename
+ self._symbols = {}
+
+ def __repr__(self):
+ if self.__class__ == SymbolTable:
+ kind = ""
+ else:
+ kind = "%s " % self.__class__.__name__
+
+ if self._table.name == "top":
+ return "<{0}SymbolTable for module {1}>".format(kind, self._filename)
+ else:
+ return "<{0}SymbolTable for {1} in {2}>".format(kind,
+ self._table.name,
+ self._filename)
+
+ def get_type(self):
+ if self._table.type == _symtable.TYPE_MODULE:
+ return "module"
+ if self._table.type == _symtable.TYPE_FUNCTION:
+ return "function"
+ if self._table.type == _symtable.TYPE_CLASS:
+ return "class"
+ assert self._table.type in (1, 2, 3), \
+ "unexpected type: {0}".format(self._table.type)
+
+ def get_id(self):
+ return self._table.id
+
+ def get_name(self):
+ return self._table.name
+
+ def get_lineno(self):
+ return self._table.lineno
+
+ def is_optimized(self):
+ return bool(self._table.type == _symtable.TYPE_FUNCTION)
+
+ def is_nested(self):
+ return bool(self._table.nested)
+
+ def has_children(self):
+ return bool(self._table.children)
+
+ def get_identifiers(self):
+ return self._table.symbols.keys()
+
+ def lookup(self, name):
+ sym = self._symbols.get(name)
+ if sym is None:
+ flags = self._table.symbols[name]
+ namespaces = self.__check_children(name)
+ module_scope = (self._table.name == "top")
+ sym = self._symbols[name] = Symbol(name, flags, namespaces,
+ module_scope=module_scope)
+ return sym
+
+ def get_symbols(self):
+ return [self.lookup(ident) for ident in self.get_identifiers()]
+
+ def __check_children(self, name):
+ return [_newSymbolTable(st, self._filename)
+ for st in self._table.children
+ if st.name == name]
+
+ def get_children(self):
+ return [_newSymbolTable(st, self._filename)
+ for st in self._table.children]
+
+
+class Function(SymbolTable):
+
+ # Default values for instance variables
+ __params = None
+ __locals = None
+ __frees = None
+ __globals = None
+ __nonlocals = None
+
+ def __idents_matching(self, test_func):
+ return tuple(ident for ident in self.get_identifiers()
+ if test_func(self._table.symbols[ident]))
+
+ def get_parameters(self):
+ if self.__params is None:
+ self.__params = self.__idents_matching(lambda x:x & DEF_PARAM)
+ return self.__params
+
+ def get_locals(self):
+ if self.__locals is None:
+ locs = (LOCAL, CELL)
+ test = lambda x: ((x >> SCOPE_OFF) & SCOPE_MASK) in locs
+ self.__locals = self.__idents_matching(test)
+ return self.__locals
+
+ def get_globals(self):
+ if self.__globals is None:
+ glob = (GLOBAL_IMPLICIT, GLOBAL_EXPLICIT)
+ test = lambda x:((x >> SCOPE_OFF) & SCOPE_MASK) in glob
+ self.__globals = self.__idents_matching(test)
+ return self.__globals
+
+ def get_nonlocals(self):
+ if self.__nonlocals is None:
+ self.__nonlocals = self.__idents_matching(lambda x:x & DEF_NONLOCAL)
+ return self.__nonlocals
+
+ def get_frees(self):
+ if self.__frees is None:
+ is_free = lambda x:((x >> SCOPE_OFF) & SCOPE_MASK) == FREE
+ self.__frees = self.__idents_matching(is_free)
+ return self.__frees
+
+
+class Class(SymbolTable):
+
+ __methods = None
+
+ def get_methods(self):
+ if self.__methods is None:
+ d = {}
+ for st in self._table.children:
+ d[st.name] = 1
+ self.__methods = tuple(d)
+ return self.__methods
+
+
+class Symbol:
+
+ def __init__(self, name, flags, namespaces=None, *, module_scope=False):
+ self.__name = name
+ self.__flags = flags
+ self.__scope = (flags >> SCOPE_OFF) & SCOPE_MASK # like PyST_GetScope()
+ self.__namespaces = namespaces or ()
+ self.__module_scope = module_scope
+
+ def __repr__(self):
+ return "<symbol {0!r}>".format(self.__name)
+
+ def get_name(self):
+ return self.__name
+
+ def is_referenced(self):
+ return bool(self.__flags & _symtable.USE)
+
+ def is_parameter(self):
+ return bool(self.__flags & DEF_PARAM)
+
+ def is_global(self):
+ """Return *True* if the sysmbol is global.
+ """
+ return bool(self.__scope in (GLOBAL_IMPLICIT, GLOBAL_EXPLICIT)
+ or (self.__module_scope and self.__flags & DEF_BOUND))
+
+ def is_nonlocal(self):
+ return bool(self.__flags & DEF_NONLOCAL)
+
+ def is_declared_global(self):
+ return bool(self.__scope == GLOBAL_EXPLICIT)
+
+ def is_local(self):
+ """Return *True* if the symbol is local.
+ """
+ return bool(self.__scope in (LOCAL, CELL)
+ or (self.__module_scope and self.__flags & DEF_BOUND))
+
+ def is_annotated(self):
+ return bool(self.__flags & DEF_ANNOT)
+
+ def is_free(self):
+ return bool(self.__scope == FREE)
+
+ def is_imported(self):
+ return bool(self.__flags & DEF_IMPORT)
+
+ def is_assigned(self):
+ return bool(self.__flags & DEF_LOCAL)
+
+ def is_namespace(self):
+ """Returns true if name binding introduces new namespace.
+
+ If the name is used as the target of a function or class
+ statement, this will be true.
+
+ Note that a single name can be bound to multiple objects. If
+ is_namespace() is true, the name may also be bound to other
+ objects, like an int or list, that does not introduce a new
+ namespace.
+ """
+ return bool(self.__namespaces)
+
+ def get_namespaces(self):
+ """Return a list of namespaces bound to this name"""
+ return self.__namespaces
+
+ def get_namespace(self):
+ """Returns the single namespace bound to this name.
+
+ Raises ValueError if the name is bound to multiple namespaces.
+ """
+ if len(self.__namespaces) != 1:
+ raise ValueError("name is bound to multiple namespaces")
+ return self.__namespaces[0]
+
+if __name__ == "__main__":
+ import os, sys
+ with open(sys.argv[0]) as f:
+ src = f.read()
+ mod = symtable(src, os.path.split(sys.argv[0])[1], "exec")
+ for ident in mod.get_identifiers():
+ info = mod.lookup(ident)
+ print(info, info.is_local(), info.is_namespace())