impl. parser

src/Parser/TypeParser.php

@@ -495,15 +495,46 @@ private function parseCallable(TokenIterator $tokens, Ast\Type\IdentifierTypeNod
 	 */
 	private function parseCallableTemplates(TokenIterator $tokens): array
 	{
-		// TODO not implemented yet
-		throw new ParserException(
-			$tokens->currentTokenValue(),
-			$tokens->currentTokenType(),
-			$tokens->currentTokenOffset(),
-			Lexer::TOKEN_IDENTIFIER,
-			null,
-			$tokens->currentTokenLine()
+		$tokens->consumeTokenType(Lexer::TOKEN_OPEN_ANGLE_BRACKET);
+
+		$templates = [];
+
+		$isFirst = true;
+		while ($isFirst || $tokens->tryConsumeTokenType(Lexer::TOKEN_COMMA)) {
+			$tokens->tryConsumeTokenType(Lexer::TOKEN_PHPDOC_EOL);
+
+			// trailing comma case
+			if (!$isFirst && $tokens->isCurrentTokenType(Lexer::TOKEN_CLOSE_ANGLE_BRACKET)) {
+				break;
+			}
+			$isFirst = false;
+
+			$templates[] = $this->parseCallableTemplateArgument($tokens);
+		}
+
+		$tokens->tryConsumeTokenType(Lexer::TOKEN_PHPDOC_EOL);
+		$tokens->consumeTokenType(Lexer::TOKEN_CLOSE_ANGLE_BRACKET);
+
+		return $templates;
+	}
+
+
+	private function parseCallableTemplateArgument(TokenIterator $tokens): Ast\Type\CallableTypeTemplateNode
+	{
+		$identifier = $this->enrichWithAttributes(
+			$tokens,
+			new Ast\Type\IdentifierTypeNode($tokens->currentTokenValue()),
+			$tokens->currentTokenLine(),
+			$tokens->currentTokenIndex()
 		);
+		$tokens->consumeTokenType(Lexer::TOKEN_IDENTIFIER);
+
+		$ofType = null;
+		if ($tokens->tryConsumeTokenValue('of')) {
+			$ofType = $this->parse($tokens);
+		}
+
+		return new Ast\Type\CallableTypeTemplateNode($identifier, $ofType);
 	}