102 lines
2.9 KiB
Rust
102 lines
2.9 KiB
Rust
use std::rc::Rc;
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use std::error::Error;
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use crate::ast::*;
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use crate::ast::walker;
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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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//TODO default implmentations should call walk methods - then I can test printing
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pub trait ASTVisitor: Sized {
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fn visit(&mut self, ast: &AST) {
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println!("FUCK");
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walker::ast(self, ast);
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}
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fn block(&mut self, statements: &Vec<Statement>) {
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println!("oi");
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walker::block(self, statements);
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}
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fn statement(&mut self, statement: &Statement) {
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println!("stmt");
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walker::statement(self, statement);
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}
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fn declaration(&mut self, declaration: &Declaration) {
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walker::declaration(self, declaration);
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}
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fn signature(&mut self, signature: &Signature) {
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}
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fn binding(&mut self, name: &Rc<String>, constant: bool, type_anno: Option<&TypeIdentifier>, expr: &Expression) {
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walker::maybe_type_identifier(self, type_anno);
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walker::expression(self, expr);
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}
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fn expression(&mut self, expression: &Expression) {
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println!("expr yo");
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walker::expression(self, expression);
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}
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fn expression_kind(&mut self, kind: &ExpressionKind) {
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walker::expression_kind(self, kind);
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}
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fn maybe_type_identifier(&mut self, type_anno: Option<&TypeIdentifier>) {
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walker::maybe_type_identifier(self, type_anno);
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}
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fn named_struct(&mut self, name: &QualifiedName, fields: &Vec<(Rc<String>, Expression)>) {
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walker::named_struct(self, name, fields);
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}
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fn call(&mut self, f: &Expression, arguments: &Vec<InvocationArgument>) {
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walker::call(self, f, arguments);
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}
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fn index(&mut self, indexee: &Expression, indexers: &Vec<Expression>) {
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walker::index(self, indexee, indexers);
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}
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fn if_expression(&mut self, discrim: &Discriminator, body: &IfExpressionBody) {
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}
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fn while_expression(&mut self, condition: Option<&Expression>, body: &Block) {
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}
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fn for_expression(&mut self, enumerators: &Vec<Enumerator>, body: &ForBody) {
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}
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fn lambda(&mut self, params: &Vec<FormalParam>, type_anno: Option<&TypeIdentifier>, body: &Block) {
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walker::lambda(self, params, type_anno, body);
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}
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fn invocation_argument(&mut self, arg: &InvocationArgument) {
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}
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fn formal_param(&mut self, param: &FormalParam) {
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walker::formal_param(self, param);
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}
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fn type_anno(&mut self, anno: &TypeIdentifier) { }
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fn import(&mut self, import: &ImportSpecifier) {}
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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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walker::expression(self, lhs);
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walker::expression(self, rhs);
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}
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fn prefix_exp(&mut self, op: &PrefixOp, arg: &Expression) {
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walker::expression(self, arg);
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}
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}
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