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Parser: allowLegacySDLEmptyFields option + minor naming tweaks

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This commit is contained in:
Vladimir Razuvaev 2018-08-08 00:41:20 +07:00
parent ea13c9edbf
commit 8e02fdc537
2 changed files with 67 additions and 18 deletions
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38
src/Language/Parser.php
View File

@ -66,6 +66,15 @@ class Parser
* in the source that they correspond to. This configuration flag
* disables that behavior for performance or testing.)
*
*
* allowLegacySDLEmptyFields: boolean
* If enabled, the parser will parse empty fields sets in the Schema
* Definition Language. Otherwise, the parser will follow the current
* specification.
*
* This option is provided to ease adoption of the final SDL specification
* and will be removed in a future major release.
*
* experimentalFragmentVariables: boolean,
* (If enabled, the parser will understand and parse variable definitions
* contained in a fragment definition. They'll be represented in the
@ -1083,6 +1092,16 @@ class Parser
*/
function parseFieldsDefinition()
{
// Legacy support for the SDL?
if (
!empty($this->lexer->options['allowLegacySDLEmptyFields']) &&
$this->peek(Token::BRACE_L) &&
$this->lexer->lookahead()->kind === Token::BRACE_R
) {
$this->lexer->advance();
$this->lexer->advance();
return [];
}
return $this->peek(Token::BRACE_L)
? $this->many(
Token::BRACE_L,
@ -1177,6 +1196,9 @@ class Parser
}
/**
* UnionTypeDefinition :
* - Description? union Name Directives[Const]? UnionMemberTypes?
*
* @return UnionTypeDefinitionNode
* @throws SyntaxError
*/
@ -1187,7 +1209,7 @@ class Parser
$this->expectKeyword('union');
$name = $this->parseName();
$directives = $this->parseDirectives(true);
$types = $this->parseMemberTypesDefinition();
$types = $this->parseUnionMemberTypes();
return new UnionTypeDefinitionNode([
'name' => $name,
@ -1199,13 +1221,13 @@ class Parser
}
/**
* MemberTypes :
* - `|`? NamedType
* - MemberTypes | NamedType
* UnionMemberTypes :
* - = `|`? NamedType
* - UnionMemberTypes | NamedType
*
* @return NamedTypeNode[]
*/
function parseMemberTypesDefinition()
function parseUnionMemberTypes()
{
$types = [];
if ($this->skip(Token::EQUALS)) {
@ -1424,6 +1446,10 @@ class Parser
}
/**
* UnionTypeExtension :
* - extend union Name Directives[Const]? UnionMemberTypes
* - extend union Name Directives[Const]
*
* @return UnionTypeExtensionNode
* @throws SyntaxError
*/
@ -1433,7 +1459,7 @@ class Parser
$this->expectKeyword('union');
$name = $this->parseName();
$directives = $this->parseDirectives(true);
$types = $this->parseMemberTypesDefinition();
$types = $this->parseUnionMemberTypes();
if (
count($directives) === 0 &&
!$types

23
tests/Language/SchemaParserTest.php
View File

@ -861,6 +861,29 @@ input Hello {
);
}
public function testDoesNotAllowEmptyFields()
{
$body = 'type Hello { }';
$this->expectSyntaxError($body, 'Syntax Error: Expected Name, found }', new SourceLocation(1, 14));
}
/**
* @it Option: allowLegacySDLEmptyFields supports type with empty fields
*/
public function testAllowLegacySDLEmptyFieldsOption()
{
$body = 'type Hello { }';
$doc = Parser::parse($body, ['allowLegacySDLEmptyFields' => true]);
$expected = [
'definitions' => [
[
'fields' => [],
],
],
];
$this->assertArraySubset($expected, $doc->toArray(true));
}
private function typeNode($name, $loc)
{
return [