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Interface to the compiler's internal symbol tables
get_children(self)
Return a list of the nested symbol tables.
get_id(self)
Return an identifier for the table.
get_identifiers(self)
Return a view object containing the names of symbols in the table.
get_lineno(self)
Return the number of the first line in the
block for the table.
get_methods(self)
Return a tuple of methods declared in the class.
get_name(self)
Return the table's name.
This corresponds to the name of the class, function
or 'top' if the table is for a class, function or
global respectively.
get_symbols(self)
Return a list of *Symbol* instances for
names in the table.
get_type(self)
Return the type of the symbol table.
The values retuned are 'class', 'module' and
'function'.
has_children(self)
Return *True* if the block has nested namespaces.
is_nested(self)
Return *True* if the block is a nested class
or function.
is_optimized(self)
Return *True* if the locals in the table
are optimizable.
lookup(self, name)
Lookup a *name* in the table.
Returns a *Symbol* instance.
get_children(self)
Return a list of the nested symbol tables.
get_frees(self)
Return a tuple of free variables in the function.
get_globals(self)
Return a tuple of globals in the function.
get_id(self)
Return an identifier for the table.
get_identifiers(self)
Return a view object containing the names of symbols in the table.
get_lineno(self)
Return the number of the first line in the
block for the table.
get_locals(self)
Return a tuple of locals in the function.
get_name(self)
Return the table's name.
This corresponds to the name of the class, function
or 'top' if the table is for a class, function or
global respectively.
get_nonlocals(self)
Return a tuple of nonlocals in the function.
get_parameters(self)
Return a tuple of parameters to the function.
get_symbols(self)
Return a list of *Symbol* instances for
names in the table.
get_type(self)
Return the type of the symbol table.
The values retuned are 'class', 'module' and
'function'.
has_children(self)
Return *True* if the block has nested namespaces.
is_nested(self)
Return *True* if the block is a nested class
or function.
is_optimized(self)
Return *True* if the locals in the table
are optimizable.
lookup(self, name)
Lookup a *name* in the table.
Returns a *Symbol* instance.
get_name(self)
Return a name of a symbol.
get_namespace(self)
Return the single namespace bound to this name.
Raises ValueError if the name is bound to multiple namespaces.
get_namespaces(self) Return a list of namespaces bound to this name
is_annotated(self)
Return *True* if the symbol is annotated.
is_assigned(self) Return *True* if a symbol is assigned to.
is_declared_global(self)
Return *True* if the symbol is declared global
with a global statement.
is_free(self)
Return *True* if a referenced symbol is
not assigned to.
is_global(self)
Return *True* if the sysmbol is global.
is_imported(self)
Return *True* if the symbol is created from
an import statement.
is_local(self)
Return *True* if the symbol is local.
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.
is_nonlocal(self) Return *True* if the symbol is nonlocal.
is_parameter(self)
Return *True* if the symbol is a parameter.
is_referenced(self)
Return *True* if the symbol is used in
its block.
get_children(self)
Return a list of the nested symbol tables.
get_id(self)
Return an identifier for the table.
get_identifiers(self)
Return a view object containing the names of symbols in the table.
get_lineno(self)
Return the number of the first line in the
block for the table.
get_name(self)
Return the table's name.
This corresponds to the name of the class, function
or 'top' if the table is for a class, function or
global respectively.
get_symbols(self)
Return a list of *Symbol* instances for
names in the table.
get_type(self)
Return the type of the symbol table.
The values retuned are 'class', 'module' and
'function'.
has_children(self)
Return *True* if the block has nested namespaces.
is_nested(self)
Return *True* if the block is a nested class
or function.
is_optimized(self)
Return *True* if the locals in the table
are optimizable.
lookup(self, name)
Lookup a *name* in the table.
Returns a *Symbol* instance.
new(self, table, filename)
symtable(code, filename, compile_type)
Return the toplevel *SymbolTable* for the source code.
*filename* is the name of the file with the code
and *compile_type* is the *compile()* mode argument.
CELL = 5
DEF_ANNOT = 256
DEF_BOUND = 134
DEF_GLOBAL = 1
DEF_IMPORT = 128
DEF_LOCAL = 2
DEF_NONLOCAL = 8
DEF_PARAM = 4
FREE = 4
GLOBAL_EXPLICIT = 2
GLOBAL_IMPLICIT = 3
LOCAL = 1
SCOPE_MASK = 15
SCOPE_OFF = 11
USE = 16