X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fexpression.h;h=e4e96f6cf42de1c08c58829f2b916cecbf21f612;hb=9494d9636612cd9bd22e38625fbc89147beafea7;hp=a66784550f4c64b13792cfd329da7e4a47fcdb81;hpb=155da5173d74221a3099c22c27de1e8e2214982b;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/expression.h b/gdb/expression.h
index a66784550f..e4e96f6cf4 100644
--- a/gdb/expression.h
+++ b/gdb/expression.h
@@ -1,7 +1,6 @@
 /* Definitions for expressions stored in reversed prefix form, for GDB.
 
-   Copyright (C) 1986, 1989, 1992, 1994, 2000, 2003, 2005, 2007-2012
-   Free Software Foundation, Inc.
+   Copyright (C) 1986-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -86,6 +85,8 @@ struct expression
     union exp_element elts[1];
   };
 
+typedef gdb::unique_xmalloc_ptr<expression> expression_up;
+
 /* Macros for converting between number of expression elements and bytes
    to store that many expression elements.  */
 
@@ -96,12 +97,16 @@ struct expression
 
 /* From parse.c */
 
-extern struct expression *parse_expression (char *);
+extern expression_up parse_expression (const char *);
+
+extern expression_up parse_expression_with_language (const char *string,
+						     enum language lang);
 
-extern struct type *parse_expression_for_completion (char *, char **);
+extern struct type *parse_expression_for_completion (const char *, char **,
+						     enum type_code *);
 
-extern struct expression *parse_exp_1 (char **, CORE_ADDR pc,
-				       const struct block *, int);
+extern expression_up parse_exp_1 (const char **, CORE_ADDR pc,
+				  const struct block *, int);
 
 /* For use by parsers; set if we want to parse an expression and
    attempt completion.  */
@@ -128,7 +133,10 @@ enum noside
 				   type (inaccuracy: anything that is
 				   listed as being in a register in
 				   the function in which it was
-				   declared will be lval_register).  */
+				   declared will be lval_register).
+				   Ideally this would not even read
+				   target memory, but currently it
+				   does in many situations.  */
   };
 
 extern struct value *evaluate_subexp_standard
@@ -146,4 +154,17 @@ extern void dump_raw_expression (struct expression *,
 				 struct ui_file *, char *);
 extern void dump_prefix_expression (struct expression *, struct ui_file *);
 
+/* In an OP_RANGE expression, either bound could be empty, indicating
+   that its value is by default that of the corresponding bound of the
+   array or string.  So we have four sorts of subrange.  This
+   enumeration type is to identify this.  */
+   
+enum range_type
+  {
+    BOTH_BOUND_DEFAULT,		/* "(:)"  */
+    LOW_BOUND_DEFAULT,		/* "(:high)"  */
+    HIGH_BOUND_DEFAULT,		/* "(low:)"  */
+    NONE_BOUND_DEFAULT		/* "(low:high)"  */
+  };
+
 #endif /* !defined (EXPRESSION_H) */