Implement Ada operator overloading

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

diff --git a/gdb/utils.h b/gdb/utils.h
index 3434ff1caa25046dd4a781701ccc22b247c054f6..b91e0d1ea34c26e6fe8d2c4dfd6466956f49aef1 100644 (file)
--- a/gdb/utils.h
+++ b/gdb/utils.h
@@ -1,7 +1,7 @@
 /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
                      for now.  */
 /* I/O, string, cleanup, and other random utilities for GDB.
-   Copyright (C) 1986-2020 Free Software Foundation, Inc.
+   Copyright (C) 1986-2021 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -22,6 +22,7 @@
 #define UTILS_H
 
 #include "exceptions.h"
+#include "gdbsupport/array-view.h"
 #include "gdbsupport/scoped_restore.h"
 #include <chrono>
 
@@ -164,6 +165,20 @@ public:
   gdb_argv (const gdb_argv &) = delete;
   gdb_argv &operator= (const gdb_argv &) = delete;
 
+  gdb_argv &operator= (gdb_argv &&other)
+  {
+    freeargv (m_argv);
+    m_argv = other.m_argv;
+    other.m_argv = nullptr;
+    return *this;
+  }
+
+  gdb_argv (gdb_argv &&other)
+  {
+    m_argv = other.m_argv;
+    other.m_argv = nullptr;
+  }
+
   ~gdb_argv ()
   {
     freeargv (m_argv);
@@ -210,6 +225,42 @@ public:
     return m_argv[arg];
   }
 
+  /* Return the arguments array as an array view.  */
+
+  gdb::array_view<char *> as_array_view ()
+  {
+    return gdb::array_view<char *> (this->get (), this->count ());
+  }
+
+  /* Append arguments to this array.  */
+  void append (gdb_argv &&other)
+  {
+    int size = count ();
+    int argc = other.count ();
+    m_argv = XRESIZEVEC (char *, m_argv, (size + argc + 1));
+
+    for (int argi = 0; argi < argc; argi++)
+      {
+       /* Transfer ownership of the string.  */
+       m_argv[size++] = other.m_argv[argi];
+       /* Ensure that destruction of OTHER works correctly.  */
+       other.m_argv[argi] = nullptr;
+      }
+    m_argv[size] = nullptr;
+  }
+
+  /* Append arguments to this array.  */
+  void append (const gdb_argv &other)
+  {
+    int size = count ();
+    int argc = other.count ();
+    m_argv = XRESIZEVEC (char *, m_argv, (size + argc + 1));
+
+    for (int argi = 0; argi < argc; argi++)
+      m_argv[size++] = xstrdup (other.m_argv[argi]);
+    m_argv[size] = nullptr;
+  }
+
   /* The iterator type.  */
 
   typedef char **iterator;
@@ -313,6 +364,10 @@ extern void wrap_here (const char *);
 
 extern void reinitialize_more_filter (void);
 
+/* Return the number of characters in a line.  */
+
+extern int get_chars_per_line ();
+
 extern bool pagination_enabled;
 
 extern struct ui_file **current_ui_gdb_stdout_ptr (void);
@@ -388,13 +443,8 @@ extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
 extern void fprintf_filtered (struct ui_file *, const char *, ...)
   ATTRIBUTE_PRINTF (2, 3);
 
-extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
-  ATTRIBUTE_PRINTF (3, 4);
-
 extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
 
-extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
-
 extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
 
 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
@@ -542,6 +592,13 @@ extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
 
 extern int myread (int, char *, int);
 
+/* Integer exponentiation: Return V1**V2, where both arguments
+   are integers.
+
+   Requires V1 != 0 if V2 < 0.
+   Returns 1 for 0 ** 0.  */
+extern ULONGEST uinteger_pow (ULONGEST v1, LONGEST v2);
+
 /* Resource limits used by getrlimit and setrlimit.  */
 
 enum resource_limit_kind