fix oob in syntax error

timfel · timfel · commit 8ae5351f31d2 · 2018-11-22T16:39:52.000+01:00
diff --git a/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/parser/PythonErrorStrategy.java b/graalpython/com.oracle.graal.python/src/com/oracle/graal/python/parser/PythonErrorStrategy.java
@@ -73,7 +73,7 @@ static SourceSection getPosition(Source source, Exception e) {
             }
         }
         Token token = r.getOffendingToken();
-        return source.createSection(token.getStartIndex(), token.getStopIndex() - token.getStartIndex());
+        return source.createSection(token.getStartIndex(), Math.max(0, token.getStopIndex() - token.getStartIndex()));
     }
 
     private static String getTokeLineText(Parser recognizer, Token token) {

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,7 @@ static SourceSection getPosition(Source source, Exception e) {`
`73`	`73`	`}`
`74`	`74`	`}`
`75`	`75`	`Token token = r.getOffendingToken();`
`76`		`- return source.createSection(token.getStartIndex(), token.getStopIndex() - token.getStartIndex());`
	`76`	`+ return source.createSection(token.getStartIndex(), Math.max(0, token.getStopIndex() - token.getStartIndex()));`
`77`	`77`	`}`
`78`	`78`
`79`	`79`	`private static String getTokeLineText(Parser recognizer, Token token) {`