def enterExpression(self, ctx: JavaParser.ExpressionContext):
if self.current_method is not None:
if ctx.methodCall() is not None:
txt = ctx.getText()
ids = txt[:txt.find('(')].split('.')
self.current_method.body_local_vars_and_expr_names.append(
MethodInvocation(ids, ctx))
else:
names = ctx.getText().split('.')
should_add = True
for name in names:
if not re.match("^[A-Za-z0-9_]*$", name):
should_add = False
if should_add:
self.current_method.body_local_vars_and_expr_names.append(
ExpressionName(names, ctx))
def enterExpression(self, ctx: JavaParser.ExpressionContext):
text = ctx.getText()
# if we reached expression this.field
if text == f"this.{self.field_name}":
self.usages.append(ctx)
return
# if we reached expression Source.field
if text == f"{self.source_class}.{self.field_name}":
self.usages.append(ctx)
return
if text != self.field_name:
return
# if we reached field and there is no local declaration with the same name as field
if len(self.stack) == 0:
self.usages.append(ctx)
def propagate_field(self, ctx: JavaParser.ExpressionContext,
target_name: str):
index = ctx.DOT().symbol.tokenIndex
self.rewriter.replaceRange(ctx.start.tokenIndex, index - 1,
target_name)