2009-12-17 Stan Shebs <stan@codesourcery.com>

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

diff --git a/gdb/expression.h b/gdb/expression.h
index 4590febe804fb41a91261697670febbdc33cfafd..82b9367dd60b00ffadb595f3b337e01266db131b 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.
@@ -88,6 +88,13 @@ enum exp_opcode
        when X is a pointer instead of an aggregate.  */
     STRUCTOP_MPTR,
 
+    /* TYPE_INSTANCE is used when the user specifies a specific
+       type instantiation for overloaded methods/functions.
+
+       The format is:
+       TYPE_INSTANCE num_types type0 ... typeN num_types TYPE_INSTANCE  */
+    TYPE_INSTANCE,
+
     /* end of C++.  */
 
     /* For Modula-2 integer division DIV */
@@ -193,8 +200,9 @@ 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.
@@ -334,24 +342,27 @@ enum exp_opcode
     OP_DECFLOAT,
 
      /* First extension operator.  Individual language modules define
-        extra operators they need as constants with values 
-        OP_LANGUAGE_SPECIFIC0 + k, for k >= 0, using a separate 
-        enumerated type definition:
-           enum foo_extension_operator {
+       extra operators in *.inc include files below always starting with
+       numbering at OP_EXTENDED0:
              BINOP_MOGRIFY = OP_EXTENDED0,
             BINOP_FROB,
-            ...
-           };      */
+            ...  */
     OP_EXTENDED0,
   
     /* Last possible extension operator.  Defined to provide an
        explicit and finite number of extended operators. */
-    OP_EXTENDED_LAST = 0xff
+    OP_EXTENDED_LAST = 0xff,
     /* NOTE: Eventually, we expect to convert to an object-oriented 
        formulation for expression operators that does away with the
        need for these extension operators, and indeed for this
        entire enumeration type.  Therefore, consider the OP_EXTENDED
        definitions to be a temporary measure. */
+
+    /* Each language specific set of operators starts at OP_EXTENDED0.  */
+#include "ada-operator.inc"
+
+    /* Existing only to swallow the last comma (',') from last .inc file.  */
+    OP_UNUSED_LAST
   };
 
 union exp_element