use crate::{
parser::grammar::{directive, name, selection, ty},
Parser, SyntaxKind, TokenKind, S, T,
};
pub(crate) fn fragment_definition(p: &mut Parser) {
let _g = p.start_node(SyntaxKind::FRAGMENT_DEFINITION);
p.bump(SyntaxKind::fragment_KW);
fragment_name(p);
type_condition(p);
if let Some(T![@]) = p.peek() {
directive::directives(p);
}
match p.peek() {
Some(T!['{']) => selection::top_selection_set(p),
_ => p.err("expected a Selection Set"),
}
}
pub(crate) fn fragment_name(p: &mut Parser) {
let _g = p.start_node(SyntaxKind::FRAGMENT_NAME);
match p.peek() {
Some(TokenKind::Name) => {
if p.peek_data().unwrap() == "on" {
return p.err("Fragment Name cannot be 'on'");
}
name::name(p)
}
_ => p.err("expected Fragment Name"),
}
}
pub(crate) fn type_condition(p: &mut Parser) {
let _g = p.start_node(SyntaxKind::TYPE_CONDITION);
match p.peek() {
Some(TokenKind::Name) => {
if p.peek_data().unwrap() == "on" {
p.bump(SyntaxKind::on_KW);
} else {
p.err("exptected 'on'");
}
ty::named_type(p)
}
_ => p.err("expected Type Condition"),
}
}
pub(crate) fn inline_fragment(p: &mut Parser) {
let _g = p.start_node(SyntaxKind::INLINE_FRAGMENT);
p.bump(S![...]);
if let Some(TokenKind::Name) = p.peek() {
type_condition(p);
}
if let Some(T![@]) = p.peek() {
directive::directives(p);
}
match p.peek() {
Some(T!['{']) => selection::top_selection_set(p),
_ => p.err("expected Selection Set"),
}
}
pub(crate) fn fragment_spread(p: &mut Parser) {
let _g = p.start_node(SyntaxKind::FRAGMENT_SPREAD);
p.bump(S![...]);
match p.peek() {
Some(TokenKind::Name) => {
fragment_name(p);
}
_ => p.err("expected a Name"),
}
if let Some(T![@]) = p.peek() {
directive::directives(p);
}
}