Avoid creating an Exception when it is not necessary.

Author: mad-briller

src/Parser/PhpDocParser.php

@@ -682,24 +682,34 @@ private function parseDoctrineArgumentValue(TokenIterator $tokens)
 			$tokens->dropSavePoint(); // because of ConstFetchNode
 		}
 
-		$exception = new ParserException(
-			$tokens->currentTokenValue(),
-			$tokens->currentTokenType(),
-			$tokens->currentTokenOffset(),
-			Lexer::TOKEN_IDENTIFIER,
-			null,
-			$tokens->currentTokenLine()
-		);
+		$currentTokenValue = $tokens->currentTokenValue();
+		$currentTokenType = $tokens->currentTokenType();
+		$currentTokenOffset = $tokens->currentTokenOffset();
+		$currentTokenLine = $tokens->currentTokenLine();
 
 		try {
 			$constExpr = $this->doctrineConstantExprParser->parse($tokens, true);
 			if ($constExpr instanceof Ast\ConstExpr\ConstExprArrayNode) {
-				throw $exception;
+				throw new ParserException(
+					$currentTokenValue,
+					$currentTokenType,
+					$currentTokenOffset,
+					Lexer::TOKEN_IDENTIFIER,
+					null,
+					$currentTokenLine
+				);
 			}
 
 			return $constExpr;
 		} catch (LogicException $e) {
-			throw $exception;
+			throw new ParserException(
+				$currentTokenValue,
+				$currentTokenType,
+				$currentTokenOffset,
+				Lexer::TOKEN_IDENTIFIER,
+				null,
+				$currentTokenLine
+			);
 		}
 	}
 

src/Parser/TypeParser.php

@@ -196,28 +196,45 @@ private function parseAtomic(TokenIterator $tokens): Ast\Type\TypeNode
 			$tokens->dropSavePoint(); // because of ConstFetchNode
 		}
 
-		$exception = new ParserException(
-			$tokens->currentTokenValue(),
-			$tokens->currentTokenType(),
-			$tokens->currentTokenOffset(),
-			Lexer::TOKEN_IDENTIFIER,
-			null,
-			$tokens->currentTokenLine()
-		);
+		$currentTokenValue = $tokens->currentTokenValue();
+		$currentTokenType = $tokens->currentTokenType();
+		$currentTokenOffset = $tokens->currentTokenOffset();
+		$currentTokenLine = $tokens->currentTokenLine();
 
 		if ($this->constExprParser === null) {
-			throw $exception;
+			throw new ParserException(
+				$currentTokenValue,
+				$currentTokenType,
+				$currentTokenOffset,
+				Lexer::TOKEN_IDENTIFIER,
+				null,
+				$currentTokenLine
+			);
 		}
 
 		try {
 			$constExpr = $this->constExprParser->parse($tokens, true);
 			if ($constExpr instanceof Ast\ConstExpr\ConstExprArrayNode) {
-				throw $exception;
+				throw new ParserException(
+					$currentTokenValue,
+					$currentTokenType,
+					$currentTokenOffset,
+					Lexer::TOKEN_IDENTIFIER,
+					null,
+					$currentTokenLine
+				);
 			}
 
 			return $this->enrichWithAttributes($tokens, new Ast\Type\ConstTypeNode($constExpr), $startLine, $startIndex);
 		} catch (LogicException $e) {
-			throw $exception;
+			throw new ParserException(
+				$currentTokenValue,
+				$currentTokenType,
+				$currentTokenOffset,
+				Lexer::TOKEN_IDENTIFIER,
+				null,
+				$currentTokenLine
+			);
 		}
 	}
 
@@ -600,23 +617,33 @@ private function parseCallableReturnType(TokenIterator $tokens): Ast\Type\TypeNo
 			}
 		}
 
-		$exception = new ParserException(
-			$tokens->currentTokenValue(),
-			$tokens->currentTokenType(),
-			$tokens->currentTokenOffset(),
-			Lexer::TOKEN_IDENTIFIER,
-			null,
-			$tokens->currentTokenLine()
-		);
+		$currentTokenValue = $tokens->currentTokenValue();
+		$currentTokenType = $tokens->currentTokenType();
+		$currentTokenOffset = $tokens->currentTokenOffset();
+		$currentTokenLine = $tokens->currentTokenLine();
 
 		if ($this->constExprParser === null) {
-			throw $exception;
+			throw new ParserException(
+				$currentTokenValue,
+				$currentTokenType,
+				$currentTokenOffset,
+				Lexer::TOKEN_IDENTIFIER,
+				null,
+				$currentTokenLine
+			);
 		}
 
 		try {
 			$constExpr = $this->constExprParser->parse($tokens, true);
 			if ($constExpr instanceof Ast\ConstExpr\ConstExprArrayNode) {
-				throw $exception;
+				throw new ParserException(
+					$currentTokenValue,
+					$currentTokenType,
+					$currentTokenOffset,
+					Lexer::TOKEN_IDENTIFIER,
+					null,
+					$currentTokenLine
+				);
 			}
 
 			$type = new Ast\Type\ConstTypeNode($constExpr);
@@ -631,7 +658,14 @@ private function parseCallableReturnType(TokenIterator $tokens): Ast\Type\TypeNo
 
 			return $type;
 		} catch (LogicException $e) {
-			throw $exception;
+			throw new ParserException(
+				$currentTokenValue,
+				$currentTokenType,
+				$currentTokenOffset,
+				Lexer::TOKEN_IDENTIFIER,
+				null,
+				$currentTokenLine
+			);
 		}
 	}