refactor(parser): use ast_builder in more places. (#4612)

crates/oxc_parser/src/js/binding.rs

@@ -124,7 +124,7 @@ impl<'a> ParserImpl<'a> {
             .context(Context::In, Context::empty(), |p| p.parse_initializer(init_span, pattern))?;
         let span = self.end_span(span);
 
-        Ok(BindingRestElement { span, argument })
+        Ok(self.ast.binding_rest_element(span, argument))
     }
 
     /// `BindingProperty`[Yield, Await] :

crates/oxc_parser/src/js/expression.rs

@@ -1,5 +1,3 @@
-use std::cell::Cell;
-
 use oxc_allocator::Box;
 use oxc_ast::ast::*;
 use oxc_diagnostics::Result;
@@ -77,7 +75,7 @@ impl<'a> ParserImpl<'a> {
         }
         let (span, name) = self.parse_identifier_kind(Kind::Ident);
         self.check_identifier(span, &name);
-        Ok(BindingIdentifier { span, name, symbol_id: Cell::default() })
+        Ok(self.ast.binding_identifier(span, name))
     }
 
     pub(crate) fn parse_label_identifier(&mut self) -> Result<LabelIdentifier<'a>> {
@@ -86,7 +84,7 @@ impl<'a> ParserImpl<'a> {
         }
         let (span, name) = self.parse_identifier_kind(Kind::Ident);
         self.check_identifier(span, &name);
-        Ok(LabelIdentifier { span, name })
+        Ok(self.ast.label_identifier(span, name))
     }
 
     pub(crate) fn parse_identifier_name(&mut self) -> Result<IdentifierName<'a>> {
@@ -94,13 +92,13 @@ impl<'a> ParserImpl<'a> {
             return Err(self.unexpected());
         }
         let (span, name) = self.parse_identifier_kind(Kind::Ident);
-        Ok(IdentifierName { span, name })
+        Ok(self.ast.identifier_name(span, name))
     }
 
     /// Parse keyword kind as identifier
     pub(crate) fn parse_keyword_identifier(&mut self, kind: Kind) -> IdentifierName<'a> {
         let (span, name) = self.parse_identifier_kind(kind);
-        IdentifierName { span, name }
+        self.ast.identifier_name(span, name)
     }
 
     #[inline]
@@ -130,7 +128,7 @@ impl<'a> ParserImpl<'a> {
         let span = self.start_span();
         let name = Atom::from(self.cur_string());
         self.bump_any();
-        PrivateIdentifier { span: self.end_span(span), name }
+        self.ast.private_identifier(self.end_span(span), name)
     }
 
     /// Section [Primary Expression](https://tc39.es/ecma262/#sec-primary-expression)
@@ -277,13 +275,13 @@ impl<'a> ParserImpl<'a> {
             _ => return Err(self.unexpected()),
         };
         self.bump_any();
-        Ok(BooleanLiteral { span: self.end_span(span), value })
+        Ok(self.ast.boolean_literal(self.end_span(span), value))
     }
 
     pub(crate) fn parse_literal_null(&mut self) -> NullLiteral {
         let span = self.start_span();
         self.bump_any(); // bump `null`
-        NullLiteral { span: self.end_span(span) }
+        self.ast.null_literal(self.end_span(span))
     }
 
     pub(crate) fn parse_literal_number(&mut self) -> Result<NumericLiteral<'a>> {
@@ -360,7 +358,7 @@ impl<'a> ParserImpl<'a> {
         let value = self.cur_string();
         let span = self.start_span();
         self.bump_any();
-        Ok(StringLiteral { span: self.end_span(span), value: value.into() })
+        Ok(self.ast.string_literal(self.end_span(span), value))
     }
 
     /// Section [Array Expression](https://tc39.es/ecma262/#prod-ArrayLiteral)
@@ -400,7 +398,7 @@ impl<'a> ParserImpl<'a> {
     ///     ,
     ///    Elision ,
     pub(crate) fn parse_elision(&mut self) -> ArrayExpressionElement<'a> {
-        ArrayExpressionElement::Elision(Elision { span: self.cur_token().span() })
+        self.ast.array_expression_element_elision(self.cur_token().span())
     }
 
     /// Section [Template Literal](https://tc39.es/ecma262/#prod-TemplateLiteral)
@@ -907,12 +905,7 @@ impl<'a> ParserImpl<'a> {
             let left = self.parse_private_identifier();
             self.expect(Kind::In)?;
             let right = self.parse_unary_expression_or_higher(lhs_span)?;
-            Expression::PrivateInExpression(self.ast.alloc(PrivateInExpression {
-                span: self.end_span(lhs_span),
-                left,
-                operator: BinaryOperator::In,
-                right,
-            }))
+            self.ast.expression_private_in(self.end_span(lhs_span), left, BinaryOperator::In, right)
         } else {
             self.parse_unary_expression_or_higher(lhs_span)?
         };

crates/oxc_parser/src/ts/statement.rs

@@ -64,7 +64,7 @@ impl<'a> ParserImpl<'a> {
             self.error(diagnostics::invalid_assignment(span));
         }
 
-        Ok(TSEnumMember { span, id, initializer })
+        Ok(self.ast.ts_enum_member(span, id, initializer))
     }
 
     fn parse_ts_enum_member_name(&mut self) -> Result<TSEnumMemberName<'a>> {
@@ -475,7 +475,7 @@ impl<'a> ParserImpl<'a> {
         self.eat_decorators()?;
         let this = {
             let (span, name) = self.parse_identifier_kind(Kind::This);
-            IdentifierName { span, name }
+            self.ast.identifier_name(span, name)
         };
         let type_annotation = self.parse_ts_type_annotation()?;
         Ok(self.ast.ts_this_parameter(self.end_span(span), this, type_annotation))

crates/oxc_parser/src/ts/types.rs

@@ -762,11 +762,7 @@ impl<'a> ParserImpl<'a> {
         let mut left = TSTypeName::IdentifierReference(self.ast.alloc(ident));
         while self.eat(Kind::Dot) {
             let right = self.parse_identifier_name()?;
-            left = TSTypeName::QualifiedName(self.ast.alloc(TSQualifiedName {
-                span: self.end_span(span),
-                left,
-                right,
-            }));
+            left = self.ast.ts_type_name_qualified_name(self.end_span(span), left, right);
         }
         Ok(left)
     }
@@ -883,24 +879,22 @@ impl<'a> ParserImpl<'a> {
             return Ok(if dotdotdot {
                 TSTupleElement::TSRestType(self.ast.alloc(TSRestType {
                     span,
-                    type_annotation: TSType::TSNamedTupleMember(self.ast.alloc(
-                        TSNamedTupleMember {
-                            span: self.end_span(member_span),
-                            element_type,
-                            label,
-                            // TODO: A tuple member cannot be both optional and rest. (TS5085)
-                            // See typescript suite <conformance/types/tuple/restTupleElements1.ts>
-                            optional,
-                        },
-                    )),
+                    type_annotation: self.ast.ts_type_named_tuple_member(
+                        self.end_span(member_span),
+                        element_type,
+                        label,
+                        // TODO: A tuple member cannot be both optional and rest. (TS5085)
+                        // See typescript suite <conformance/types/tuple/restTupleElements1.ts>
+                        optional,
+                    ),
                 }))
             } else {
-                TSTupleElement::TSNamedTupleMember(self.ast.alloc(TSNamedTupleMember {
+                TSTupleElement::from(self.ast.ts_type_named_tuple_member(
                     span,
                     element_type,
                     label,
                     optional,
-                }))
+                ))
             });
         }
         self.parse_tuple_element_type()
@@ -933,10 +927,7 @@ impl<'a> ParserImpl<'a> {
         let ty = self.parse_ts_type()?;
         if let TSType::JSDocNullableType(ty) = ty {
             if ty.span.start == ty.type_annotation.span().start {
-                Ok(TSTupleElement::TSOptionalType(self.ast.alloc(TSOptionalType {
-                    span: ty.span,
-                    type_annotation: ty.unbox().type_annotation,
-                })))
+                Ok(self.ast.ts_tuple_element_optional_type(ty.span, ty.unbox().type_annotation))
             } else {
                 Ok(TSTupleElement::JSDocNullableType(ty))
             }
@@ -1023,7 +1014,7 @@ impl<'a> ParserImpl<'a> {
         )?;
         self.expect(Kind::RCurly)?;
         self.expect(Kind::RCurly)?;
-        Ok(TSImportAttributes { span, elements })
+        Ok(self.ast.ts_import_attributes(span, elements))
     }
 
     fn parse_ts_import_attribute(&mut self) -> Result<TSImportAttribute<'a>> {
@@ -1035,7 +1026,7 @@ impl<'a> ParserImpl<'a> {
 
         self.expect(Kind::Colon)?;
         let value = self.parse_expr()?;
-        Ok(TSImportAttribute { span: self.end_span(span), name, value })
+        Ok(self.ast.ts_import_attribute(self.end_span(span), name, value))
     }
 
     fn try_parse_constraint_of_infer_type(&mut self) -> Result<Option<TSType<'a>>> {
@@ -1316,11 +1307,7 @@ impl<'a> ParserImpl<'a> {
             return Err(self.unexpected());
         }
 
-        Ok(TSIndexSignatureName {
-            span: self.end_span(span),
-            name,
-            type_annotation: type_annotation.unwrap(),
-        })
+        Ok(self.ast.ts_index_signature_name(self.end_span(span), name, type_annotation.unwrap()))
     }
 
     pub(crate) fn parse_class_element_modifiers(