* value.c (set_internalvar): Use value_free, not xfree.

[binutils-gdb.git] / gdb / expression.h

diff --git a/gdb/expression.h b/gdb/expression.h
index 084c70effed1bcd25a19452c085695b733645d30..12163e3949eaf9a271dcce9df7e3dc890fbbe405 100644 (file)
--- a/gdb/expression.h
+++ b/gdb/expression.h
@@ -1,6 +1,6 @@
 /* Definitions for expressions stored in reversed prefix form, for GDB.
 
-   Copyright (C) 1986, 1989, 1992, 1994, 2000, 2003, 2005, 2007, 2008
+   Copyright (C) 1986, 1989, 1992, 1994, 2000, 2003, 2005, 2007, 2008, 2009
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -193,8 +193,9 @@ enum exp_opcode
        indicates that we have found something of the form <name> ( <stuff> ) */
     OP_F77_UNDETERMINED_ARGLIST,
 
-    /* The following OP is a special one, it introduces a F77 complex
-       literal. It is followed by exactly two args that are doubles.  */
+    /* OP_COMPLEX takes a type in the following element, followed by another
+       OP_COMPLEX, making three exp_elements.  It is followed by two double
+       args, and converts them into a complex number of the given type. */
     OP_COMPLEX,
 
     /* OP_STRING represents a string constant.
@@ -373,6 +374,7 @@ union exp_element
 struct expression
   {
     const struct language_defn *language_defn; /* language it was entered in */
+    struct gdbarch *gdbarch;  /* architecture it was parsed in */
     int nelts;
     union exp_element elts[1];
   };