Fix leafo#698 add source column to thrown error message

Author: robocoder

src/Compiler.php

@@ -4147,14 +4147,17 @@ public function throwError($msg)
             return;
         }
 
+        $line   = $this->sourceLine;
+        $column = $this->sourceColumn;
+
+        $loc = isset($this->sourceNames[$this->sourceIndex])
+             ? $this->sourceNames[$this->sourceIndex] . " on line $line, at column $column"
+             : "line: $line, column: $column";
+
         if (func_num_args() > 1) {
             $msg = call_user_func_array('sprintf', func_get_args());
         }
 
-        $line = $this->sourceLine;
-        $loc = isset($this->sourceNames[$this->sourceIndex])
-             ? $this->sourceNames[$this->sourceIndex] . " on line $line"
-             : "line: $line";
         $msg = "$msg: $loc";
 
         $callStackMsg = $this->callStackMessage();

src/Parser.php

@@ -130,9 +130,11 @@ public function getSourceName()
      */
     public function throwParseError($msg = 'parse error')
     {
-        list($line, /* $column */) = $this->getSourcePosition($this->count);
+        list($line, $column) = $this->getSourcePosition($this->count);
 
-        $loc = empty($this->sourceName) ? "line: $line" : "$this->sourceName on line $line";
+        $loc = empty($this->sourceName)
+             ? "line: $line, column: $column"
+             : "$this->sourceName on line $line, at column $column";
 
         if ($this->peek("(.*?)(\n|$)", $m, $this->count)) {
             throw new ParserException("$msg: failed at `$m[1]` $loc");