def _found(self, name, symbol):
self.table[name] = symbol
return symbol
class ForLoopBlockSymbolTable(BlockSymbolTable):
def get_loopvar(self, n=0):
return self.parent.get_loopvar(n + 1)
class Environment(BaseEnvironment):
FIELDS = ('filename', 'symtable')
visit = Visitor()
def nop(env, node):
pass
def default(env, node):
for field in node._node_fields:
if isinstance(getattr(node.__class__, field), NodeListField):
for subnode in getattr(node, field):
visit(env, subnode)
else:
visit(env, getattr(node, field))
"<goto {}> at line {:d} jumps into the scope of local '{}'"
.format(name, goto.lineno, self.locals[nlocals]))
def got_goto(self, goto):
label = self.labels.get(goto.target, None)
if label is None:
self.gotos[goto] = len(self.locals)
else:
goto.label = label.label
class Environment(BaseEnvironment):
FIELDS = ('filename', 'label_table')
visit = Visitor()
def nop(env, node):
pass
def visit_topblock(env, node):
label_table = LabelTable()
for subnode in node.body:
visit(env(label_table=label_table), subnode)
label_table.close(True)
return node
def got_goto(self, goto):
label = self.labels.get(goto.target, None)
if label is None:
self.gotos[goto] = len(self.locals)
else:
goto.label = label.label
class Environment(BaseEnvironment):
FIELDS = ('filename', 'label_table')
visit = Visitor()
def nop(env, node):
pass
def visit_topblock(env, node):
label_table = LabelTable()
for subnode in node.body:
visit(env(label_table=label_table), subnode)
label_table.close(True)
return node
class ForLoopBlockSymbolTable(BlockSymbolTable):
def get_loopvar(self, n=0):
return self.parent.get_loopvar(n+1)
class Environment(BaseEnvironment):
FIELDS = ('filename', 'symtable')
visit = Visitor()
def nop(env, node):
pass
def default(env, node):
for field in node._node_fields:
if isinstance(getattr(node.__class__, field), NodeListField):
for subnode in getattr(node, field):
visit(env, subnode)
else:
visit(env, getattr(node, field))
from . import ast
from .asm import Assembly, Label
from .runtime.builtins import to_number
class Context(object):
Load = object()
Store = object()
class Environment(BaseEnvironment):
FIELDS = ('asm', 'stringtable', 'break_target', 'context', 'filename')
visit = Visitor()
def set_lineno(func):
def wrapper(env, node):
asm = getattr(env, "asm", None)
if asm is not None:
asm.set_lineno(node.lineno)
return func(env, node)
return wrapper
def visit_function(env, name, node):
argcount = len(node.args)