use super::*; pub(super) fn struct_item(p: &mut Parser) { assert!(p.at(STRUCT_KW)); p.bump(); if !p.expect(IDENT) { return; } type_params::list(p); match p.current() { WHERE_KW => { type_params::where_clause(p); match p.current() { SEMI => { p.bump(); return; } L_CURLY => named_fields(p), _ => { //TODO: special case `(` error message p.error("expected `;` or `{`"); return; } } } SEMI => { p.bump(); return; } L_CURLY => named_fields(p), L_PAREN => { pos_fields(p); p.expect(SEMI); } _ => { p.error("expected `;`, `{`, or `(`"); return; } } } pub(super) fn enum_item(p: &mut Parser) { assert!(p.at(ENUM_KW)); p.bump(); p.expect(IDENT); type_params::list(p); type_params::where_clause(p); if p.expect(L_CURLY) { while !p.at(EOF) && !p.at(R_CURLY) { let var = p.start(); attributes::outer_attributes(p); if p.at(IDENT) { p.bump(); match p.current() { L_CURLY => named_fields(p), L_PAREN => pos_fields(p), EQ => { p.bump(); expressions::expr(p); } _ => (), } var.complete(p, ENUM_VARIANT); } else { var.abandon(p); p.err_and_bump("expected enum variant"); } if !p.at(R_CURLY) { p.expect(COMMA); } } p.expect(R_CURLY); } } fn named_fields(p: &mut Parser) { assert!(p.at(L_CURLY)); p.bump(); while !p.at(R_CURLY) && !p.at(EOF) { named_field(p); if !p.at(R_CURLY) { p.expect(COMMA); } } p.expect(R_CURLY); fn named_field(p: &mut Parser) { let field = p.start(); visibility(p); if p.expect(IDENT) { p.expect(COLON); types::type_ref(p); field.complete(p, NAMED_FIELD); } else { field.abandon(p); p.err_and_bump("expected field declaration"); } } } fn pos_fields(p: &mut Parser) { if !p.expect(L_PAREN) { return; } while !p.at(R_PAREN) && !p.at(EOF) { let pos_field = p.start(); visibility(p); types::type_ref(p); pos_field.complete(p, POS_FIELD); if !p.at(R_PAREN) { p.expect(COMMA); } } p.expect(R_PAREN); }