tseeker-pub/rust-crafting-interpreters-part-1
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Dumper - Handle property getters/setters

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This commit is contained in:
Emmanuel BENOîT 2023-01-14 11:00:10 +01:00
parent ddb2c94ae5
commit f2637fb319
1 changed files with 33 additions and 1 deletions
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34
src/dumper.rs
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@ -1,7 +1,9 @@
use std::fmt::Write;
use crate::{
ast::{BinaryExpr, ClassMemberDecl, ExprNode, FunDecl, ProgramNode, StmtNode},
ast::{
BinaryExpr, ClassMemberDecl, ExprNode, FunDecl, ProgramNode, PropertyAccessor, StmtNode,
},
tokens::Token,
};
@ -58,6 +60,24 @@ fn dump_method(dumper: &mut Dumper, method: &FunDecl, is_static: bool) {
dumper.add_line("}".to_owned());
}
fn dump_accessor(
dumper: &mut Dumper,
accessor: &PropertyAccessor,
is_setter: bool,
is_static: bool,
) {
dumper.add_line(format!(
"{}{} {} {{",
if is_static { "static " } else { "" },
accessor.name.lexeme,
if is_setter { "<" } else { ">" },
));
dumper.depth += 1;
dump_statement_list(dumper, &accessor.body);
dumper.depth -= 1;
dumper.add_line("}".to_owned());
}
fn dump_statement(dumper: &mut Dumper, stmt: &StmtNode) {
match stmt {
StmtNode::VarDecl(name, Some(expr)) => {
@ -94,6 +114,18 @@ fn dump_statement(dumper: &mut Dumper, stmt: &StmtNode) {
match &member {
ClassMemberDecl::Method(method) => dump_method(dumper, method, false),
ClassMemberDecl::StaticMethod(method) => dump_method(dumper, method, true),
ClassMemberDecl::PropertyGetter(accessor) => {
dump_accessor(dumper, accessor, false, false)
}
ClassMemberDecl::PropertySetter(accessor) => {
dump_accessor(dumper, accessor, true, false)
}
ClassMemberDecl::StaticPropertyGetter(accessor) => {
dump_accessor(dumper, accessor, false, true)
}
ClassMemberDecl::StaticPropertySetter(accessor) => {
dump_accessor(dumper, accessor, true, true)
}
};
}
dumper.depth -= 1;