def add_component_ctor(self, dot_path, component):
"""
Add a component if the component
does not already exists. If it does exists,
then this raises an Error.
:type dot_path: DotPath
:param dot_path: Name of the variable or property path
:type component: Component
:param component: AST part that will contains all properties
"""
if not isinstance(dot_path, DotPath):
raise exception.BananaAssignmentError(dot_path.span,
component.span)
if not len(dot_path.properties) == 0:
raise exception.BananaAssignmentError(dot_path.span,
component.span)
if dot_path.varname in self.components:
other_dot_path = filter(lambda x: x == dot_path,
self.components.keys())[0]
no_effect_str = dot_path.span.str_from_to(component.span)
collision_str = other_dot_path.span.str_from_to(
self.components[other_dot_path].span)
self._emitter.emit_warning(
dot_path.span,
"Statement has no effect: '{}'".format(no_effect_str))
self._emitter.emit_warning(
other_dot_path.span,
"It collides with: '{}'".format(collision_str))
else:
self.components[dot_path.varname] = component
self.statements.append((dot_path, component))
def add_assignment(self, dot_path, ast_value):
"""
Add an assignment to a property or a variable.
We don't check at this point whether or not the variable
has collision with a component.
This will be done during the name resolution pass.
:type dot_path: DotPath
:param dot_path: Name of the variable or property
:type ast_value: Ident | JsonObj | StringLit | Number | DotPath
:param ast_value: Ast node this variable is assigned to.
"""
if not isinstance(dot_path, DotPath):
raise exception.BananaAssignmentError(dot_path.span,
ast_value.span)
self.statements.append((dot_path, ast_value))
