Trait full_moon::visitors::Visitor [−][src]
A trait that implements functions to listen for specific nodes/tokens.
Unlike VisitorMut
, nodes/tokens passed are immutable.
// A visitor that logs every local assignment made #[derive(Default)] struct LocalVariableVisitor { names: Vec<String>, } impl<'ast> Visitor<'ast> for LocalVariableVisitor { fn visit_local_assignment(&mut self, local_assignment: &ast::LocalAssignment<'ast>) { self.names.extend(&mut local_assignment.names().iter().map(|name| name.token().to_string())); } } let mut visitor = LocalVariableVisitor::default(); visitor.visit_ast(&full_moon::parse("local x = 1; local y, z = 2, 3")?); assert_eq!(visitor.names, vec!["x", "y", "z"]);
Provided methods
fn visit_ast(&mut self, ast: &Ast<'ast>) where
Self: Sized,
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Self: Sized,
Visit the nodes of an Ast
fn visit_anonymous_call(&mut self, _node: &FunctionArgs<'ast>)
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fn visit_anonymous_call_end(&mut self, _node: &FunctionArgs<'ast>)
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fn visit_assignment(&mut self, _node: &Assignment<'ast>)
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fn visit_assignment_end(&mut self, _node: &Assignment<'ast>)
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fn visit_block(&mut self, _node: &Block<'ast>)
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fn visit_block_end(&mut self, _node: &Block<'ast>)
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fn visit_call(&mut self, _node: &Call<'ast>)
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fn visit_call_end(&mut self, _node: &Call<'ast>)
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fn visit_contained_span(&mut self, _node: &ContainedSpan<'ast>)
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fn visit_contained_span_end(&mut self, _node: &ContainedSpan<'ast>)
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fn visit_do(&mut self, _node: &Do<'ast>)
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fn visit_do_end(&mut self, _node: &Do<'ast>)
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fn visit_else_if(&mut self, _node: &ElseIf<'ast>)
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fn visit_else_if_end(&mut self, _node: &ElseIf<'ast>)
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fn visit_eof(&mut self, _node: &TokenReference<'ast>)
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fn visit_eof_end(&mut self, _node: &TokenReference<'ast>)
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fn visit_expression(&mut self, _node: &Expression<'ast>)
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fn visit_expression_end(&mut self, _node: &Expression<'ast>)
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fn visit_field(&mut self, _node: &Field<'ast>)
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fn visit_field_end(&mut self, _node: &Field<'ast>)
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fn visit_function_args(&mut self, _node: &FunctionArgs<'ast>)
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fn visit_function_args_end(&mut self, _node: &FunctionArgs<'ast>)
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fn visit_function_body(&mut self, _node: &FunctionBody<'ast>)
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fn visit_function_body_end(&mut self, _node: &FunctionBody<'ast>)
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fn visit_function_call(&mut self, _node: &FunctionCall<'ast>)
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fn visit_function_call_end(&mut self, _node: &FunctionCall<'ast>)
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fn visit_function_declaration(&mut self, _node: &FunctionDeclaration<'ast>)
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fn visit_function_declaration_end(&mut self, _node: &FunctionDeclaration<'ast>)
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fn visit_function_name(&mut self, _node: &FunctionName<'ast>)
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fn visit_function_name_end(&mut self, _node: &FunctionName<'ast>)
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fn visit_generic_for(&mut self, _node: &GenericFor<'ast>)
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fn visit_generic_for_end(&mut self, _node: &GenericFor<'ast>)
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fn visit_if(&mut self, _node: &If<'ast>)
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fn visit_if_end(&mut self, _node: &If<'ast>)
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fn visit_index(&mut self, _node: &Index<'ast>)
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fn visit_index_end(&mut self, _node: &Index<'ast>)
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fn visit_local_assignment(&mut self, _node: &LocalAssignment<'ast>)
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fn visit_local_assignment_end(&mut self, _node: &LocalAssignment<'ast>)
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fn visit_local_function(&mut self, _node: &LocalFunction<'ast>)
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fn visit_local_function_end(&mut self, _node: &LocalFunction<'ast>)
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fn visit_last_stmt(&mut self, _node: &LastStmt<'ast>)
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fn visit_last_stmt_end(&mut self, _node: &LastStmt<'ast>)
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fn visit_method_call(&mut self, _node: &MethodCall<'ast>)
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fn visit_method_call_end(&mut self, _node: &MethodCall<'ast>)
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fn visit_numeric_for(&mut self, _node: &NumericFor<'ast>)
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fn visit_numeric_for_end(&mut self, _node: &NumericFor<'ast>)
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fn visit_parameter(&mut self, _node: &Parameter<'ast>)
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fn visit_parameter_end(&mut self, _node: &Parameter<'ast>)
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fn visit_prefix(&mut self, _node: &Prefix<'ast>)
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fn visit_prefix_end(&mut self, _node: &Prefix<'ast>)
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fn visit_return(&mut self, _node: &Return<'ast>)
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fn visit_return_end(&mut self, _node: &Return<'ast>)
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fn visit_repeat(&mut self, _node: &Repeat<'ast>)
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fn visit_repeat_end(&mut self, _node: &Repeat<'ast>)
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fn visit_stmt(&mut self, _node: &Stmt<'ast>)
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fn visit_stmt_end(&mut self, _node: &Stmt<'ast>)
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fn visit_suffix(&mut self, _node: &Suffix<'ast>)
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fn visit_suffix_end(&mut self, _node: &Suffix<'ast>)
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fn visit_table_constructor(&mut self, _node: &TableConstructor<'ast>)
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fn visit_table_constructor_end(&mut self, _node: &TableConstructor<'ast>)
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fn visit_token_reference(&mut self, _node: &TokenReference<'ast>)
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fn visit_token_reference_end(&mut self, _node: &TokenReference<'ast>)
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fn visit_un_op(&mut self, _node: &UnOp<'ast>)
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fn visit_un_op_end(&mut self, _node: &UnOp<'ast>)
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fn visit_value(&mut self, _node: &Value<'ast>)
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fn visit_value_end(&mut self, _node: &Value<'ast>)
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fn visit_var(&mut self, _node: &Var<'ast>)
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fn visit_var_end(&mut self, _node: &Var<'ast>)
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fn visit_var_expression(&mut self, _node: &VarExpression<'ast>)
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fn visit_var_expression_end(&mut self, _node: &VarExpression<'ast>)
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fn visit_while(&mut self, _node: &While<'ast>)
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fn visit_while_end(&mut self, _node: &While<'ast>)
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fn visit_compound_assignment(&mut self, _node: &CompoundAssignment<'ast>)
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fn visit_compound_assignment_end(&mut self, _node: &CompoundAssignment<'ast>)
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fn visit_compound_op(&mut self, _node: &CompoundOp<'ast>)
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fn visit_compound_op_end(&mut self, _node: &CompoundOp<'ast>)
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fn visit_exported_type_declaration(
&mut self,
_node: &ExportedTypeDeclaration<'ast>
)
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&mut self,
_node: &ExportedTypeDeclaration<'ast>
)
fn visit_exported_type_declaration_end(
&mut self,
_node: &ExportedTypeDeclaration<'ast>
)
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&mut self,
_node: &ExportedTypeDeclaration<'ast>
)