Handle operation parsing error GraphQL

crates/biome_graphql_parser/src/lexer/mod.rs

@@ -507,10 +507,10 @@ impl<'src> GraphqlLexer<'src> {
                 b'\\' => self.consume_escape_sequence_in_string(state),
                 b'\n' | b'\r' => (
                     LexStringState::Terminated,
-                    Some(
-                        ParseDiagnostic::new("Missing closing quote", start..self.text_position())
-                            .with_detail(self.position..self.position + 1, "line breaks here"),
-                    ),
+                    Some(ParseDiagnostic::new(
+                        "Missing closing quote",
+                        start..self.text_position(),
+                    )),
                 ),
                 _ => {
                     self.advance_char_unchecked();

crates/biome_graphql_parser/src/parser/argument.rs

@@ -9,6 +9,8 @@ use biome_parser::{
 };
 
 use super::{
+    definitions::is_at_selection_set_end,
+    directive::is_at_directive,
     is_at_name,
     parse_error::{expected_argument, expected_value},
     value::parse_value,
@@ -22,7 +24,7 @@ impl ParseRecovery for ArgumentListParseRecovery {
     const RECOVERED_KIND: Self::Kind = GRAPHQL_ARGUMENT;
 
     fn is_at_recovered(&self, p: &mut Self::Parser<'_>) -> bool {
-        is_at_name(p)
+        is_at_name(p) || is_at_argument_list_end(p)
     }
 }
 
@@ -40,7 +42,7 @@ impl ParseNodeList for ArgumentList {
     }
 
     fn is_at_list_end(&self, p: &mut Self::Parser<'_>) -> bool {
-        p.at(T![')'])
+        is_at_argument_list_end(p)
     }
 
     fn recover(
@@ -81,3 +83,15 @@ fn parse_argument(p: &mut GraphqlParser) -> ParsedSyntax {
 
     Present(m.complete(p, GRAPHQL_ARGUMENT))
 }
+
+/// Arguments are only allowed in the following cases:
+/// - Inside a selection set
+/// - In a directive
+#[inline]
+pub(crate) fn is_at_argument_list_end(p: &GraphqlParser<'_>) -> bool {
+    p.at(T![')'])
+    // also handle the start of a selection set
+    || is_at_selection_set_end(p)
+    // at the start of a new directive
+    || is_at_directive(p)
+}

crates/biome_graphql_parser/src/parser/definitions/mod.rs

@@ -8,6 +8,7 @@ use biome_parser::{
 };
 
 use self::operation::{is_at_operation, parse_operation_definition};
+pub(crate) use operation::is_at_selection_set_end;
 
 struct DefinitionListParseRecovery;
 
@@ -17,8 +18,7 @@ impl ParseRecovery for DefinitionListParseRecovery {
     const RECOVERED_KIND: Self::Kind = GRAPHQL_BOGUS_DEFINITION;
 
     fn is_at_recovered(&self, p: &mut Self::Parser<'_>) -> bool {
-        // TODO: recover at any definition
-        is_at_operation(p)
+        is_at_definition(p)
     }
 }
 
@@ -56,3 +56,9 @@ fn parse_definition(p: &mut GraphqlParser) -> ParsedSyntax {
         _ => Absent,
     }
 }
+
+#[inline]
+fn is_at_definition(p: &GraphqlParser<'_>) -> bool {
+    // TODO: recover at any definition
+    is_at_operation(p)
+}

crates/biome_graphql_parser/src/parser/definitions/operation.rs

@@ -1,6 +1,6 @@
 use crate::parser::{
     argument::parse_arguments,
-    directive::DirectiveList,
+    directive::{is_at_directive, DirectiveList},
     is_at_name,
     parse_error::{
         expected_any_selection, expected_name, expected_named_type, expected_type, expected_value,
@@ -21,6 +21,8 @@ use biome_parser::{
     prelude::ParsedSyntax::*, token_set, Parser, TokenSet,
 };
 
+use super::is_at_definition;
+
 const OPERATION_TYPE: TokenSet<GraphqlSyntaxKind> =
     token_set![T![query], T![mutation], T![subscription]];
 
@@ -38,7 +40,7 @@ impl ParseNodeList for SelectionList {
     }
 
     fn is_at_list_end(&self, p: &mut Self::Parser<'_>) -> bool {
-        p.at(T!['}'])
+        is_at_selection_set_end(p)
     }
 
     fn recover(
@@ -58,7 +60,7 @@ impl ParseRecovery for SelectionListParseRecovery {
     const RECOVERED_KIND: Self::Kind = GRAPHQL_BOGUS_SELECTION;
 
     fn is_at_recovered(&self, p: &mut Self::Parser<'_>) -> bool {
-        is_at_selection(p)
+        is_at_selection(p) || is_at_selection_set_end(p)
     }
 }
 
@@ -76,7 +78,7 @@ impl ParseNodeList for VariableDefinitionList {
     }
 
     fn is_at_list_end(&self, p: &mut Self::Parser<'_>) -> bool {
-        p.at(T![')'])
+        is_at_variable_definitions_end(p)
     }
 
     fn recover(
@@ -97,10 +99,10 @@ struct VariableDefinitionListParseRecovery;
 impl ParseRecovery for VariableDefinitionListParseRecovery {
     type Kind = GraphqlSyntaxKind;
     type Parser<'source> = GraphqlParser<'source>;
-    const RECOVERED_KIND: Self::Kind = GRAPHQL_VARIABLE_DEFINITION;
+    const RECOVERED_KIND: Self::Kind = GRAPHQL_BOGUS;
 
     fn is_at_recovered(&self, p: &mut Self::Parser<'_>) -> bool {
-        is_at_variable(p)
+        is_at_variable(p) || is_at_variable_definitions_end(p)
     }
 }
 
@@ -262,15 +264,26 @@ fn parse_default_value(p: &mut GraphqlParser) -> ParsedSyntax {
 }
 
 #[inline]
-pub(crate) fn is_at_operation(p: &mut GraphqlParser<'_>) -> bool {
+pub(crate) fn is_at_operation(p: &GraphqlParser<'_>) -> bool {
     p.at_ts(OPERATION_TYPE) || is_at_selection_set(p)
 }
 
+#[inline]
+fn is_at_variable_definitions_end(p: &GraphqlParser) -> bool {
+    p.at(T![')']) || is_at_directive(p) || is_at_selection_set(p)
+}
+
 #[inline]
 fn is_at_selection_set(p: &GraphqlParser) -> bool {
     p.at(T!['{'])
 }
 
+#[inline]
+pub(crate) fn is_at_selection_set_end(p: &GraphqlParser) -> bool {
+    // stop at closing brace or at the start of a new definition
+    p.at(T!['}']) || is_at_definition(p)
+}
+
 #[inline]
 fn is_at_selection(p: &GraphqlParser) -> bool {
     is_at_field(p) || is_at_fragment(p)

crates/biome_graphql_parser/src/parser/directive.rs

@@ -64,6 +64,6 @@ pub(crate) fn parse_directive(p: &mut GraphqlParser) -> ParsedSyntax {
 }
 
 #[inline]
-fn is_at_directive(p: &mut GraphqlParser<'_>) -> bool {
+pub(crate) fn is_at_directive(p: &GraphqlParser<'_>) -> bool {
     p.at(T![@])
 }

crates/biome_graphql_parser/src/parser/value.rs

@@ -11,6 +11,7 @@ use biome_parser::{
 };
 
 use super::{
+    argument::is_at_argument_list_end,
     is_at_name,
     parse_error::{expected_object_field, expected_value},
     variable::{is_at_variable, parse_variable},
@@ -26,7 +27,7 @@ impl ParseRecovery for ListValueElementListParseRecovery {
     const RECOVERED_KIND: Self::Kind = GRAPHQL_BOGUS_VALUE;
 
     fn is_at_recovered(&self, p: &mut Self::Parser<'_>) -> bool {
-        is_at_value(p)
+        is_at_value(p) || is_at_list_end(p)
     }
 }
 
@@ -44,7 +45,7 @@ impl ParseNodeList for ListValueElementList {
     }
 
     fn is_at_list_end(&self, p: &mut Self::Parser<'_>) -> bool {
-        p.at(T![']'])
+        is_at_list_end(p)
     }
 
     fn recover(
@@ -64,7 +65,7 @@ impl ParseRecovery for ObjectValueMemberListParseRecovery {
     const RECOVERED_KIND: Self::Kind = GRAPHQL_OBJECT_FIELD;
 
     fn is_at_recovered(&self, p: &mut Self::Parser<'_>) -> bool {
-        is_at_name(p)
+        is_at_name(p) || is_at_object_end(p)
     }
 }
 
@@ -82,7 +83,7 @@ impl ParseNodeList for ObjectValueMemberList {
     }
 
     fn is_at_list_end(&self, p: &mut Self::Parser<'_>) -> bool {
-        p.at(T!['}'])
+        is_at_object_end(p)
     }
 
     fn recover(
@@ -267,6 +268,15 @@ fn is_at_list(p: &GraphqlParser) -> bool {
     p.at(T!['['])
 }
 
+#[inline]
+fn is_at_list_end(p: &mut GraphqlParser) -> bool {
+    p.at(T![']'])
+    // at next argument
+    || p.lookahead() == T![:]
+    // value is only used in argument
+    || is_at_argument_list_end(p)
+}
+
 #[inline]
 fn is_at_object(p: &GraphqlParser) -> bool {
     p.at(T!['{'])
@@ -276,3 +286,10 @@ fn is_at_object(p: &GraphqlParser) -> bool {
 fn is_at_object_field(p: &GraphqlParser) -> bool {
     is_at_name(p)
 }
+
+#[inline]
+fn is_at_object_end(p: &GraphqlParser) -> bool {
+    p.at(T!['}'])
+    // value is only used in argument
+    || is_at_argument_list_end(p)
+}

crates/biome_graphql_parser/tests/graphql_test_suite/err/directive.graphql

@@ -0,0 +1,35 @@
+{
+  hero @
+}
+
+{
+  hero @ @
+}
+
+{
+  hero @deprecated(: "Deprecated")
+}
+
+{
+  hero @deprecated(reason:)
+}
+
+{
+  hero @deprecated(reason: "Deprecated"
+}
+
+{
+  hero @(reason: "Deprecated"
+}
+
+{
+  hero @(: "Deprecated"
+}
+
+{
+  hero @(:
+}
+
+{
+  hero @(:)
+}