revert accidental removal of the Location object from the raised SyntaxError

Author: cosminbasca

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/parser/PythonParserImpl.java

@@ -33,7 +33,10 @@
 
 import org.antlr.v4.runtime.CharStreams;
 import org.antlr.v4.runtime.CodePointCharStream;
+import org.antlr.v4.runtime.NoViableAltException;
 import org.antlr.v4.runtime.ParserRuleContext;
+import org.antlr.v4.runtime.RecognitionException;
+import org.antlr.v4.runtime.Token;
 
 import com.oracle.graal.python.PythonLanguage;
 import com.oracle.graal.python.nodes.PNode;
@@ -92,11 +95,20 @@ private static ParserRuleContext preParseWithAntlr(PythonCore core, Source sourc
                     parser.reset();
                     input = parser.eval_input();
                 } catch (Throwable e2) {
+                    int line;
                     if (source.isInteractive() && e instanceof PIncompleteSourceException) {
                         ((PIncompleteSourceException) e).setSource(source);
                         throw e;
+                    } else if (e instanceof RecognitionException) {
+                        Token token = ((RecognitionException) e).getOffendingToken();
+                        line = token.getLine();
+                    } else if (e.getCause() instanceof NoViableAltException) {
+                        Token token = ((NoViableAltException) e.getCause()).getOffendingToken();
+                        line = token.getLine();
+                    } else {
+                        throw core.raise(SyntaxError, e.getMessage());
                     }
-                    throw core.raise(SyntaxError, e.getMessage());
+                    throw core.raise(SyntaxError, getLocation(source, line), e.getMessage());
                 }
             }
         }
@@ -114,7 +126,17 @@ private static ParserRuleContext preParseInlineWithAntlr(PythonCore core, Source
                 parser.reset();
                 input = parser.eval_input();
             } catch (Throwable e2) {
-                throw core.raise(SyntaxError, e.getMessage());
+                int line;
+                if (e instanceof RecognitionException) {
+                    Token token = ((RecognitionException) e).getOffendingToken();
+                    line = token.getLine();
+                } else if (e.getCause() instanceof NoViableAltException) {
+                    Token token = ((NoViableAltException) e.getCause()).getOffendingToken();
+                    line = token.getLine();
+                } else {
+                    throw core.raise(SyntaxError, e.getMessage());
+                }
+                throw core.raise(SyntaxError, getLocation(source, line), e.getMessage());
             }
         }
         return input;