Refactor script position calculation

src/heap-symbols.h

Index: src/heap-symbols.h
diff --git a/src/heap-symbols.h b/src/heap-symbols.h
index 529342a0d55b58bfdec8ac2781c82b7717c0eba0..718d592f89a149094332dcd47135f631d3da7a44 100644
--- a/src/heap-symbols.h
+++ b/src/heap-symbols.h
@@ -30,6 +30,7 @@
   V(cell_value_string, "%cell_value")                              \
   V(char_at_string, "CharAt")                                      \
   V(closure_string, "(closure)")                                   \
+  V(column_string, "column")                                       \
   V(compare_ic_string, "==")                                       \
   V(configurable_string, "configurable")                           \
   V(constructor_string, "constructor")                             \
@@ -78,6 +79,9 @@
   V(KeyedStoreMonomorphic_string, "KeyedStoreMonomorphic")         \
   V(last_index_string, "lastIndex")                                \
   V(length_string, "length")                                       \
+  V(line_string, "line")                                           \
+  V(line_start_string, "line_start")                               \
+  V(line_end_string, "line_end")                                   \
   V(Map_string, "Map")                                             \
   V(minus_infinity_string, "-Infinity")                            \
   V(minus_zero_string, "-0")                                       \