42 lines
2.4 KiB
Rust
42 lines
2.4 KiB
Rust
use std::rc::Rc;
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use crate::ast::*;
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//TODO maybe these functions should take closures that return a KeepRecursing | StopHere type,
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//or a tuple of (T, <that type>)
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pub trait ASTVisitor: Sized {
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fn ast(&mut self, _ast: &AST) {}
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fn block(&mut self, _statements: &Vec<Statement>) {}
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fn statement(&mut self, _statement: &Statement) {}
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fn declaration(&mut self, _declaration: &Declaration) {}
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fn signature(&mut self, _signature: &Signature) {}
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fn type_declaration(&mut self, _name: &TypeSingletonName, _body: &TypeBody, _mutable: bool) {}
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fn type_alias(&mut self, _alias: &Rc<String>, _original: &Rc<String>) {}
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fn binding(&mut self, _name: &Rc<String>, _constant: bool, _type_anno: Option<&TypeIdentifier>, _expr: &Expression) {}
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fn implemention(&mut self, _type_name: &TypeIdentifier, _interface_name: Option<&TypeSingletonName>, _block: &Vec<Declaration>) {}
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fn interface(&mut self, _name: &Rc<String>, _signatures: &Vec<Signature>) {}
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fn expression(&mut self, _expression: &Expression) {}
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fn expression_kind(&mut self, _kind: &ExpressionKind) {}
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fn type_annotation(&mut self, _type_anno: Option<&TypeIdentifier>) {}
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fn named_struct(&mut self, _name: &QualifiedName, _fields: &Vec<(Rc<String>, Expression)>) {}
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fn call(&mut self, _f: &Expression, _arguments: &Vec<InvocationArgument>) {}
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fn index(&mut self, _indexee: &Expression, _indexers: &Vec<Expression>) {}
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fn if_expression(&mut self, _discrim: Option<&Expression>, _body: &IfExpressionBody) {}
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fn condition_arm(&mut self, _arm: &ConditionArm) {}
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fn while_expression(&mut self, _condition: Option<&Expression>, _body: &Block) {}
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fn for_expression(&mut self, _enumerators: &Vec<Enumerator>, _body: &ForBody) {}
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fn lambda(&mut self, _params: &Vec<FormalParam>, _type_anno: Option<&TypeIdentifier>, _body: &Block) {}
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fn invocation_argument(&mut self, _arg: &InvocationArgument) {}
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fn formal_param(&mut self, _param: &FormalParam) {}
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fn import(&mut self, _import: &ImportSpecifier) {}
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fn module(&mut self, _module: &ModuleSpecifier) {}
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fn qualified_name(&mut self, _name: &QualifiedName) {}
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fn nat_literal(&mut self, _n: u64) {}
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fn float_literal(&mut self, _f: f64) {}
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fn string_literal(&mut self, _s: &Rc<String>) {}
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fn bool_literal(&mut self, _b: bool) {}
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fn binexp(&mut self, _op: &BinOp, _lhs: &Expression, _rhs: &Expression) {}
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fn prefix_exp(&mut self, _op: &PrefixOp, _arg: &Expression) {}
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fn pattern(&mut self, _pat: &Pattern) {}
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}
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