/* Implementation of the GDB variable objects API.
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/* Implementation of the GDB variable objects API.
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Copyright 1999, 2000 Free Software Foundation, Inc.
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Copyright 1999, 2000 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "defs.h"
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#include "value.h"
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#include "value.h"
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#include "expression.h"
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#include "expression.h"
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#include "frame.h"
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#include "frame.h"
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#include "valprint.h"
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#include "valprint.h"
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#include "language.h"
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#include "language.h"
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#include "wrapper.h"
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#include "wrapper.h"
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#include "gdbcmd.h"
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#include "gdbcmd.h"
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#include <math.h>
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#include <math.h>
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#include "varobj.h"
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#include "varobj.h"
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/* Non-zero if we want to see trace of varobj level stuff. */
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/* Non-zero if we want to see trace of varobj level stuff. */
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int varobjdebug = 0;
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int varobjdebug = 0;
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/* String representations of gdb's format codes */
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/* String representations of gdb's format codes */
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char *varobj_format_string[] =
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char *varobj_format_string[] =
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{"natural", "binary", "decimal", "hexadecimal", "octal"};
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{"natural", "binary", "decimal", "hexadecimal", "octal"};
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/* String representations of gdb's known languages */
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/* String representations of gdb's known languages */
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char *varobj_language_string[] =
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char *varobj_language_string[] =
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{"unknown", "C", "C++", "Java"};
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{"unknown", "C", "C++", "Java"};
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/* Data structures */
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/* Data structures */
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/* Every root variable has one of these structures saved in its
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/* Every root variable has one of these structures saved in its
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varobj. Members which must be free'd are noted. */
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varobj. Members which must be free'd are noted. */
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struct varobj_root
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struct varobj_root
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{
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{
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/* Alloc'd expression for this parent. */
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/* Alloc'd expression for this parent. */
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struct expression *exp;
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struct expression *exp;
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/* Block for which this expression is valid */
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/* Block for which this expression is valid */
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struct block *valid_block;
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struct block *valid_block;
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/* The frame for this expression */
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/* The frame for this expression */
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CORE_ADDR frame;
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CORE_ADDR frame;
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/* If 1, "update" always recomputes the frame & valid block
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/* If 1, "update" always recomputes the frame & valid block
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using the currently selected frame. */
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using the currently selected frame. */
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int use_selected_frame;
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int use_selected_frame;
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/* Language info for this variable and its children */
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/* Language info for this variable and its children */
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struct language_specific *lang;
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struct language_specific *lang;
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/* The varobj for this root node. */
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/* The varobj for this root node. */
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struct varobj *rootvar;
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struct varobj *rootvar;
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/* Next root variable */
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/* Next root variable */
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struct varobj_root *next;
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struct varobj_root *next;
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};
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};
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/* Every variable in the system has a structure of this type defined
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/* Every variable in the system has a structure of this type defined
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for it. This structure holds all information necessary to manipulate
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for it. This structure holds all information necessary to manipulate
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a particular object variable. Members which must be freed are noted. */
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a particular object variable. Members which must be freed are noted. */
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struct varobj
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struct varobj
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{
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{
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/* Alloc'd name of the variable for this object.. If this variable is a
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/* Alloc'd name of the variable for this object.. If this variable is a
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child, then this name will be the child's source name.
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child, then this name will be the child's source name.
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(bar, not foo.bar) */
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(bar, not foo.bar) */
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/* NOTE: This is the "expression" */
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/* NOTE: This is the "expression" */
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char *name;
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char *name;
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/* The alloc'd name for this variable's object. This is here for
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/* The alloc'd name for this variable's object. This is here for
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convenience when constructing this object's children. */
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convenience when constructing this object's children. */
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char *obj_name;
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char *obj_name;
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/* Index of this variable in its parent or -1 */
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/* Index of this variable in its parent or -1 */
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int index;
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int index;
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/* The type of this variable. This may NEVER be NULL. */
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/* The type of this variable. This may NEVER be NULL. */
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struct type *type;
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struct type *type;
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/* The value of this expression or subexpression. This may be NULL. */
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/* The value of this expression or subexpression. This may be NULL. */
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value_ptr value;
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value_ptr value;
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/* Did an error occur evaluating the expression or getting its value? */
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/* Did an error occur evaluating the expression or getting its value? */
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int error;
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int error;
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/* The number of (immediate) children this variable has */
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/* The number of (immediate) children this variable has */
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int num_children;
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int num_children;
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/* If this object is a child, this points to its immediate parent. */
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/* If this object is a child, this points to its immediate parent. */
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struct varobj *parent;
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struct varobj *parent;
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/* A list of this object's children */
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/* A list of this object's children */
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struct varobj_child *children;
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struct varobj_child *children;
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/* Description of the root variable. Points to root variable for children. */
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/* Description of the root variable. Points to root variable for children. */
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struct varobj_root *root;
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struct varobj_root *root;
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/* The format of the output for this object */
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/* The format of the output for this object */
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enum varobj_display_formats format;
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enum varobj_display_formats format;
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};
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};
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/* Every variable keeps a linked list of its children, described
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/* Every variable keeps a linked list of its children, described
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by the following structure. */
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by the following structure. */
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/* FIXME: Deprecated. All should use vlist instead */
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/* FIXME: Deprecated. All should use vlist instead */
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struct varobj_child
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struct varobj_child
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{
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{
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/* Pointer to the child's data */
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/* Pointer to the child's data */
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struct varobj *child;
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struct varobj *child;
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/* Pointer to the next child */
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/* Pointer to the next child */
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struct varobj_child *next;
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struct varobj_child *next;
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};
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};
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/* A stack of varobjs */
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/* A stack of varobjs */
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/* FIXME: Deprecated. All should use vlist instead */
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/* FIXME: Deprecated. All should use vlist instead */
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struct vstack
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struct vstack
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{
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{
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struct varobj *var;
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struct varobj *var;
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struct vstack *next;
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struct vstack *next;
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};
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};
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struct cpstack
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struct cpstack
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{
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{
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char *name;
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char *name;
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struct cpstack *next;
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struct cpstack *next;
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};
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};
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/* A list of varobjs */
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/* A list of varobjs */
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struct vlist
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struct vlist
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{
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{
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struct varobj *var;
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struct varobj *var;
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struct vlist *next;
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struct vlist *next;
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};
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};
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/* Private function prototypes */
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/* Private function prototypes */
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/* Helper functions for the above subcommands. */
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/* Helper functions for the above subcommands. */
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static int delete_variable PARAMS ((struct cpstack **, struct varobj *, int));
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static int delete_variable PARAMS ((struct cpstack **, struct varobj *, int));
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static void delete_variable_1 PARAMS ((struct cpstack **, int *,
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static void delete_variable_1 PARAMS ((struct cpstack **, int *,
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struct varobj *, int, int));
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struct varobj *, int, int));
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static int install_variable PARAMS ((struct varobj *));
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static int install_variable PARAMS ((struct varobj *));
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static void uninstall_variable PARAMS ((struct varobj *));
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static void uninstall_variable PARAMS ((struct varobj *));
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static struct varobj *child_exists PARAMS ((struct varobj *, char *));
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static struct varobj *child_exists PARAMS ((struct varobj *, char *));
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static struct varobj *create_child PARAMS ((struct varobj *, int, char *));
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static struct varobj *create_child PARAMS ((struct varobj *, int, char *));
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static void save_child_in_parent PARAMS ((struct varobj *, struct varobj *));
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static void save_child_in_parent PARAMS ((struct varobj *, struct varobj *));
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static void remove_child_from_parent PARAMS ((struct varobj *, struct varobj *));
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static void remove_child_from_parent PARAMS ((struct varobj *, struct varobj *));
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/* Utility routines */
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/* Utility routines */
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static struct varobj *new_variable PARAMS ((void));
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static struct varobj *new_variable PARAMS ((void));
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static struct varobj *new_root_variable PARAMS ((void));
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static struct varobj *new_root_variable PARAMS ((void));
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static void free_variable PARAMS ((struct varobj * var));
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static void free_variable PARAMS ((struct varobj * var));
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static struct type *get_type PARAMS ((struct varobj * var));
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static struct type *get_type PARAMS ((struct varobj * var));
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static struct type *get_type_deref PARAMS ((struct varobj * var));
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static struct type *get_type_deref PARAMS ((struct varobj * var));
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static struct type *get_target_type PARAMS ((struct type *));
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static struct type *get_target_type PARAMS ((struct type *));
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static enum varobj_display_formats variable_default_display PARAMS ((struct varobj *));
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static enum varobj_display_formats variable_default_display PARAMS ((struct varobj *));
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static int my_value_equal PARAMS ((value_ptr, value_ptr, int *));
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static int my_value_equal PARAMS ((value_ptr, value_ptr, int *));
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static void vpush PARAMS ((struct vstack ** pstack, struct varobj * var));
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static void vpush PARAMS ((struct vstack ** pstack, struct varobj * var));
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static struct varobj *vpop PARAMS ((struct vstack ** pstack));
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static struct varobj *vpop PARAMS ((struct vstack ** pstack));
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static void cppush PARAMS ((struct cpstack ** pstack, char *name));
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static void cppush PARAMS ((struct cpstack ** pstack, char *name));
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static char *cppop PARAMS ((struct cpstack ** pstack));
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static char *cppop PARAMS ((struct cpstack ** pstack));
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/* Language-specific routines. */
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/* Language-specific routines. */
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static enum varobj_languages variable_language PARAMS ((struct varobj * var));
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static enum varobj_languages variable_language PARAMS ((struct varobj * var));
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static int number_of_children PARAMS ((struct varobj *));
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static int number_of_children PARAMS ((struct varobj *));
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static char *name_of_variable PARAMS ((struct varobj *));
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static char *name_of_variable PARAMS ((struct varobj *));
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static char *name_of_child PARAMS ((struct varobj *, int));
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static char *name_of_child PARAMS ((struct varobj *, int));
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static value_ptr value_of_root PARAMS ((struct varobj ** var_handle,
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static value_ptr value_of_root PARAMS ((struct varobj ** var_handle,
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int *));
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int *));
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static value_ptr value_of_child PARAMS ((struct varobj * parent, int index));
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static value_ptr value_of_child PARAMS ((struct varobj * parent, int index));
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static struct type *type_of_child PARAMS ((struct varobj * var));
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static struct type *type_of_child PARAMS ((struct varobj * var));
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static int variable_editable PARAMS ((struct varobj * var));
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static int variable_editable PARAMS ((struct varobj * var));
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static char *my_value_of_variable PARAMS ((struct varobj * var));
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static char *my_value_of_variable PARAMS ((struct varobj * var));
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static int type_changeable PARAMS ((struct varobj * var));
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static int type_changeable PARAMS ((struct varobj * var));
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/* C implementation */
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/* C implementation */
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static int c_number_of_children PARAMS ((struct varobj * var));
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static int c_number_of_children PARAMS ((struct varobj * var));
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static char *c_name_of_variable PARAMS ((struct varobj * parent));
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static char *c_name_of_variable PARAMS ((struct varobj * parent));
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static char *c_name_of_child PARAMS ((struct varobj * parent, int index));
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static char *c_name_of_child PARAMS ((struct varobj * parent, int index));
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static value_ptr c_value_of_root PARAMS ((struct varobj ** var_handle));
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static value_ptr c_value_of_root PARAMS ((struct varobj ** var_handle));
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static value_ptr c_value_of_child PARAMS ((struct varobj * parent, int index));
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static value_ptr c_value_of_child PARAMS ((struct varobj * parent, int index));
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static struct type *c_type_of_child PARAMS ((struct varobj * parent, int index));
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static struct type *c_type_of_child PARAMS ((struct varobj * parent, int index));
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static int c_variable_editable PARAMS ((struct varobj * var));
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static int c_variable_editable PARAMS ((struct varobj * var));
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static char *c_value_of_variable PARAMS ((struct varobj * var));
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static char *c_value_of_variable PARAMS ((struct varobj * var));
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/* C++ implementation */
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/* C++ implementation */
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static int cplus_number_of_children PARAMS ((struct varobj * var));
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static int cplus_number_of_children PARAMS ((struct varobj * var));
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static void cplus_class_num_children PARAMS ((struct type * type, int children[3]));
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static void cplus_class_num_children PARAMS ((struct type * type, int children[3]));
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static char *cplus_name_of_variable PARAMS ((struct varobj * parent));
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static char *cplus_name_of_variable PARAMS ((struct varobj * parent));
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static char *cplus_name_of_child PARAMS ((struct varobj * parent, int index));
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static char *cplus_name_of_child PARAMS ((struct varobj * parent, int index));
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static value_ptr cplus_value_of_root PARAMS ((struct varobj ** var_handle));
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static value_ptr cplus_value_of_root PARAMS ((struct varobj ** var_handle));
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static value_ptr cplus_value_of_child PARAMS ((struct varobj * parent, int index));
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static value_ptr cplus_value_of_child PARAMS ((struct varobj * parent, int index));
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static struct type *cplus_type_of_child PARAMS ((struct varobj * parent, int index));
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static struct type *cplus_type_of_child PARAMS ((struct varobj * parent, int index));
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static int cplus_variable_editable PARAMS ((struct varobj * var));
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static int cplus_variable_editable PARAMS ((struct varobj * var));
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static char *cplus_value_of_variable PARAMS ((struct varobj * var));
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static char *cplus_value_of_variable PARAMS ((struct varobj * var));
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/* Java implementation */
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/* Java implementation */
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static int java_number_of_children PARAMS ((struct varobj * var));
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static int java_number_of_children PARAMS ((struct varobj * var));
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static char *java_name_of_variable PARAMS ((struct varobj * parent));
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static char *java_name_of_variable PARAMS ((struct varobj * parent));
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static char *java_name_of_child PARAMS ((struct varobj * parent, int index));
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static char *java_name_of_child PARAMS ((struct varobj * parent, int index));
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static value_ptr java_value_of_root PARAMS ((struct varobj ** var_handle));
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static value_ptr java_value_of_root PARAMS ((struct varobj ** var_handle));
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static value_ptr java_value_of_child PARAMS ((struct varobj * parent, int index));
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static value_ptr java_value_of_child PARAMS ((struct varobj * parent, int index));
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static struct type *java_type_of_child PARAMS ((struct varobj * parent, int index));
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static struct type *java_type_of_child PARAMS ((struct varobj * parent, int index));
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static int java_variable_editable PARAMS ((struct varobj * var));
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static int java_variable_editable PARAMS ((struct varobj * var));
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static char *java_value_of_variable PARAMS ((struct varobj * var));
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static char *java_value_of_variable PARAMS ((struct varobj * var));
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/* The language specific vector */
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/* The language specific vector */
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struct language_specific
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struct language_specific
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{
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{
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/* The language of this variable */
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/* The language of this variable */
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enum varobj_languages language;
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enum varobj_languages language;
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/* The number of children of PARENT. */
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/* The number of children of PARENT. */
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int (*number_of_children) PARAMS ((struct varobj * parent));
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int (*number_of_children) PARAMS ((struct varobj * parent));
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/* The name (expression) of a root varobj. */
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/* The name (expression) of a root varobj. */
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char *(*name_of_variable) PARAMS ((struct varobj * parent));
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char *(*name_of_variable) PARAMS ((struct varobj * parent));
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/* The name of the INDEX'th child of PARENT. */
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/* The name of the INDEX'th child of PARENT. */
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char *(*name_of_child) PARAMS ((struct varobj * parent, int index));
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char *(*name_of_child) PARAMS ((struct varobj * parent, int index));
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/* The value_ptr of the root variable ROOT. */
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/* The value_ptr of the root variable ROOT. */
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value_ptr (*value_of_root) PARAMS ((struct varobj ** root_handle));
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value_ptr (*value_of_root) PARAMS ((struct varobj ** root_handle));
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/* The value_ptr of the INDEX'th child of PARENT. */
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/* The value_ptr of the INDEX'th child of PARENT. */
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value_ptr (*value_of_child) PARAMS ((struct varobj * parent, int index));
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value_ptr (*value_of_child) PARAMS ((struct varobj * parent, int index));
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/* The type of the INDEX'th child of PARENT. */
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/* The type of the INDEX'th child of PARENT. */
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struct type *(*type_of_child) PARAMS ((struct varobj * parent, int index));
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struct type *(*type_of_child) PARAMS ((struct varobj * parent, int index));
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/* Is VAR editable? */
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/* Is VAR editable? */
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int (*variable_editable) PARAMS ((struct varobj * var));
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int (*variable_editable) PARAMS ((struct varobj * var));
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/* The current value of VAR. */
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/* The current value of VAR. */
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char *(*value_of_variable) PARAMS ((struct varobj * var));
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char *(*value_of_variable) PARAMS ((struct varobj * var));
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};
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};
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/* Array of known source language routines. */
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/* Array of known source language routines. */
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static struct language_specific
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static struct language_specific
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languages[vlang_end][sizeof (struct language_specific)] =
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languages[vlang_end][sizeof (struct language_specific)] =
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{
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{
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/* Unknown (try treating as C */
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/* Unknown (try treating as C */
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{
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{
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vlang_unknown,
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vlang_unknown,
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c_number_of_children,
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c_number_of_children,
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c_name_of_variable,
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c_name_of_variable,
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c_name_of_child,
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c_name_of_child,
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c_value_of_root,
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c_value_of_root,
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c_value_of_child,
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c_value_of_child,
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c_type_of_child,
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c_type_of_child,
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c_variable_editable,
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c_variable_editable,
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c_value_of_variable
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c_value_of_variable
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}
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}
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,
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,
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/* C */
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/* C */
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{
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{
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vlang_c,
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vlang_c,
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c_number_of_children,
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c_number_of_children,
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c_name_of_variable,
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c_name_of_variable,
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c_name_of_child,
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c_name_of_child,
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c_value_of_root,
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c_value_of_root,
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c_value_of_child,
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c_value_of_child,
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c_type_of_child,
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c_type_of_child,
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c_variable_editable,
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c_variable_editable,
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c_value_of_variable
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c_value_of_variable
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}
|
}
|
,
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,
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/* C++ */
|
/* C++ */
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{
|
{
|
vlang_cplus,
|
vlang_cplus,
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cplus_number_of_children,
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cplus_number_of_children,
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cplus_name_of_variable,
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cplus_name_of_variable,
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cplus_name_of_child,
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cplus_name_of_child,
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cplus_value_of_root,
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cplus_value_of_root,
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cplus_value_of_child,
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cplus_value_of_child,
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cplus_type_of_child,
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cplus_type_of_child,
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cplus_variable_editable,
|
cplus_variable_editable,
|
cplus_value_of_variable
|
cplus_value_of_variable
|
}
|
}
|
,
|
,
|
/* Java */
|
/* Java */
|
{
|
{
|
vlang_java,
|
vlang_java,
|
java_number_of_children,
|
java_number_of_children,
|
java_name_of_variable,
|
java_name_of_variable,
|
java_name_of_child,
|
java_name_of_child,
|
java_value_of_root,
|
java_value_of_root,
|
java_value_of_child,
|
java_value_of_child,
|
java_type_of_child,
|
java_type_of_child,
|
java_variable_editable,
|
java_variable_editable,
|
java_value_of_variable
|
java_value_of_variable
|
}
|
}
|
};
|
};
|
|
|
/* A little convenience enum for dealing with C++/Java */
|
/* A little convenience enum for dealing with C++/Java */
|
enum vsections
|
enum vsections
|
{
|
{
|
v_public = 0, v_private, v_protected
|
v_public = 0, v_private, v_protected
|
};
|
};
|
|
|
/* Private data */
|
/* Private data */
|
|
|
/* Mappings of varobj_display_formats enums to gdb's format codes */
|
/* Mappings of varobj_display_formats enums to gdb's format codes */
|
static int format_code[] =
|
static int format_code[] =
|
{0, 't', 'd', 'x', 'o'};
|
{0, 't', 'd', 'x', 'o'};
|
|
|
/* Header of the list of root variable objects */
|
/* Header of the list of root variable objects */
|
static struct varobj_root *rootlist;
|
static struct varobj_root *rootlist;
|
static int rootcount = 0; /* number of root varobjs in the list */
|
static int rootcount = 0; /* number of root varobjs in the list */
|
|
|
/* Prime number indicating the number of buckets in the hash table */
|
/* Prime number indicating the number of buckets in the hash table */
|
/* A prime large enough to avoid too many colisions */
|
/* A prime large enough to avoid too many colisions */
|
#define VAROBJ_TABLE_SIZE 227
|
#define VAROBJ_TABLE_SIZE 227
|
|
|
/* Pointer to the varobj hash table (built at run time) */
|
/* Pointer to the varobj hash table (built at run time) */
|
static struct vlist **varobj_table;
|
static struct vlist **varobj_table;
|
|
|
#if defined(FREEIF)
|
#if defined(FREEIF)
|
#undef FREEIF
|
#undef FREEIF
|
#endif
|
#endif
|
#define FREEIF(x) if (x != NULL) free((char *) (x))
|
#define FREEIF(x) if (x != NULL) free((char *) (x))
|
|
|
/* Is the variable X one of our "fake" children? */
|
/* Is the variable X one of our "fake" children? */
|
#define CPLUS_FAKE_CHILD(x) \
|
#define CPLUS_FAKE_CHILD(x) \
|
((x) != NULL && (x)->type == NULL && (x)->value == NULL)
|
((x) != NULL && (x)->type == NULL && (x)->value == NULL)
|
|
|
|
|
/* API Implementation */
|
/* API Implementation */
|
|
|
/* Creates a varobj (not its children) */
|
/* Creates a varobj (not its children) */
|
|
|
struct varobj *
|
struct varobj *
|
varobj_create (char *objname,
|
varobj_create (char *objname,
|
char *expression, CORE_ADDR frame,
|
char *expression, CORE_ADDR frame,
|
enum varobj_type type)
|
enum varobj_type type)
|
{
|
{
|
struct varobj *var;
|
struct varobj *var;
|
struct frame_info *fi, *old_fi;
|
struct frame_info *fi, *old_fi;
|
struct block *block;
|
struct block *block;
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
|
|
/* Fill out a varobj structure for the (root) variable being constructed. */
|
/* Fill out a varobj structure for the (root) variable being constructed. */
|
var = new_root_variable ();
|
var = new_root_variable ();
|
old_chain = make_cleanup ((make_cleanup_func) free_variable, var);
|
old_chain = make_cleanup ((make_cleanup_func) free_variable, var);
|
|
|
if (expression != NULL)
|
if (expression != NULL)
|
{
|
{
|
char *p;
|
char *p;
|
enum varobj_languages lang;
|
enum varobj_languages lang;
|
|
|
/* Parse and evaluate the expression, filling in as much
|
/* Parse and evaluate the expression, filling in as much
|
of the variable's data as possible */
|
of the variable's data as possible */
|
|
|
/* Allow creator to specify context of variable */
|
/* Allow creator to specify context of variable */
|
if ((type == USE_CURRENT_FRAME)
|
if ((type == USE_CURRENT_FRAME)
|
|| (type == USE_SELECTED_FRAME))
|
|| (type == USE_SELECTED_FRAME))
|
fi = selected_frame;
|
fi = selected_frame;
|
else
|
else
|
fi = find_frame_addr_in_frame_chain (frame);
|
fi = find_frame_addr_in_frame_chain (frame);
|
|
|
/* frame = -2 means always use selected frame */
|
/* frame = -2 means always use selected frame */
|
if (type == USE_SELECTED_FRAME)
|
if (type == USE_SELECTED_FRAME)
|
var->root->use_selected_frame = 1;
|
var->root->use_selected_frame = 1;
|
|
|
block = NULL;
|
block = NULL;
|
if (fi != NULL)
|
if (fi != NULL)
|
block = get_frame_block (fi);
|
block = get_frame_block (fi);
|
|
|
p = expression;
|
p = expression;
|
innermost_block = NULL;
|
innermost_block = NULL;
|
/* Wrap the call to parse expression, so we can
|
/* Wrap the call to parse expression, so we can
|
return a sensible error. */
|
return a sensible error. */
|
if (!gdb_parse_exp_1 (&p, block, 0, &var->root->exp))
|
if (!gdb_parse_exp_1 (&p, block, 0, &var->root->exp))
|
{
|
{
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Don't allow variables to be created for types. */
|
/* Don't allow variables to be created for types. */
|
if (var->root->exp->elts[0].opcode == OP_TYPE)
|
if (var->root->exp->elts[0].opcode == OP_TYPE)
|
{
|
{
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
fprintf_unfiltered (gdb_stderr,
|
fprintf_unfiltered (gdb_stderr,
|
"Attempt to use a type name as an expression.");
|
"Attempt to use a type name as an expression.");
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
var->format = variable_default_display (var);
|
var->format = variable_default_display (var);
|
var->root->valid_block = innermost_block;
|
var->root->valid_block = innermost_block;
|
var->name = savestring (expression, strlen (expression));
|
var->name = savestring (expression, strlen (expression));
|
|
|
/* When the frame is different from the current frame,
|
/* When the frame is different from the current frame,
|
we must select the appropriate frame before parsing
|
we must select the appropriate frame before parsing
|
the expression, otherwise the value will not be current.
|
the expression, otherwise the value will not be current.
|
Since select_frame is so benign, just call it for all cases. */
|
Since select_frame is so benign, just call it for all cases. */
|
if (fi != NULL)
|
if (fi != NULL)
|
{
|
{
|
var->root->frame = FRAME_FP (fi);
|
var->root->frame = FRAME_FP (fi);
|
old_fi = selected_frame;
|
old_fi = selected_frame;
|
select_frame (fi, -1);
|
select_frame (fi, -1);
|
}
|
}
|
|
|
/* We definitively need to catch errors here.
|
/* We definitively need to catch errors here.
|
If evaluate_expression succeeds we got the value we wanted.
|
If evaluate_expression succeeds we got the value we wanted.
|
But if it fails, we still go on with a call to evaluate_type() */
|
But if it fails, we still go on with a call to evaluate_type() */
|
if (gdb_evaluate_expression (var->root->exp, &var->value))
|
if (gdb_evaluate_expression (var->root->exp, &var->value))
|
{
|
{
|
/* no error */
|
/* no error */
|
release_value (var->value);
|
release_value (var->value);
|
if (VALUE_LAZY (var->value))
|
if (VALUE_LAZY (var->value))
|
gdb_value_fetch_lazy (var->value);
|
gdb_value_fetch_lazy (var->value);
|
}
|
}
|
else
|
else
|
var->value = evaluate_type (var->root->exp);
|
var->value = evaluate_type (var->root->exp);
|
|
|
var->type = VALUE_TYPE (var->value);
|
var->type = VALUE_TYPE (var->value);
|
|
|
/* Set language info */
|
/* Set language info */
|
lang = variable_language (var);
|
lang = variable_language (var);
|
var->root->lang = languages[lang];
|
var->root->lang = languages[lang];
|
|
|
/* Set ourselves as our root */
|
/* Set ourselves as our root */
|
var->root->rootvar = var;
|
var->root->rootvar = var;
|
|
|
/* Reset the selected frame */
|
/* Reset the selected frame */
|
if (fi != NULL)
|
if (fi != NULL)
|
select_frame (old_fi, -1);
|
select_frame (old_fi, -1);
|
}
|
}
|
|
|
/* If the variable object name is null, that means this
|
/* If the variable object name is null, that means this
|
is a temporary variable, so don't install it. */
|
is a temporary variable, so don't install it. */
|
|
|
if ((var != NULL) && (objname != NULL))
|
if ((var != NULL) && (objname != NULL))
|
{
|
{
|
var->obj_name = savestring (objname, strlen (objname));
|
var->obj_name = savestring (objname, strlen (objname));
|
|
|
/* If a varobj name is duplicated, the install will fail so
|
/* If a varobj name is duplicated, the install will fail so
|
we must clenup */
|
we must clenup */
|
if (!install_variable (var))
|
if (!install_variable (var))
|
{
|
{
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
return NULL;
|
return NULL;
|
}
|
}
|
}
|
}
|
|
|
discard_cleanups (old_chain);
|
discard_cleanups (old_chain);
|
return var;
|
return var;
|
}
|
}
|
|
|
/* Generates an unique name that can be used for a varobj */
|
/* Generates an unique name that can be used for a varobj */
|
|
|
char *
|
char *
|
varobj_gen_name (void)
|
varobj_gen_name (void)
|
{
|
{
|
static int id = 0;
|
static int id = 0;
|
char obj_name[31];
|
char obj_name[31];
|
|
|
/* generate a name for this object */
|
/* generate a name for this object */
|
id++;
|
id++;
|
sprintf (obj_name, "var%d", id);
|
sprintf (obj_name, "var%d", id);
|
|
|
return xstrdup (obj_name);
|
return xstrdup (obj_name);
|
}
|
}
|
|
|
/* Given an "objname", returns the pointer to the corresponding varobj
|
/* Given an "objname", returns the pointer to the corresponding varobj
|
or NULL if not found */
|
or NULL if not found */
|
|
|
struct varobj *
|
struct varobj *
|
varobj_get_handle (char *objname)
|
varobj_get_handle (char *objname)
|
{
|
{
|
struct vlist *cv;
|
struct vlist *cv;
|
const char *chp;
|
const char *chp;
|
unsigned int index = 0;
|
unsigned int index = 0;
|
unsigned int i = 1;
|
unsigned int i = 1;
|
|
|
for (chp = objname; *chp; chp++)
|
for (chp = objname; *chp; chp++)
|
{
|
{
|
index = (index + (i++ * (unsigned int) *chp)) % VAROBJ_TABLE_SIZE;
|
index = (index + (i++ * (unsigned int) *chp)) % VAROBJ_TABLE_SIZE;
|
}
|
}
|
|
|
cv = *(varobj_table + index);
|
cv = *(varobj_table + index);
|
while ((cv != NULL) && (strcmp (cv->var->obj_name, objname) != 0))
|
while ((cv != NULL) && (strcmp (cv->var->obj_name, objname) != 0))
|
cv = cv->next;
|
cv = cv->next;
|
|
|
if (cv == NULL)
|
if (cv == NULL)
|
error ("Variable object not found");
|
error ("Variable object not found");
|
|
|
return cv->var;
|
return cv->var;
|
}
|
}
|
|
|
/* Given the handle, return the name of the object */
|
/* Given the handle, return the name of the object */
|
|
|
char *
|
char *
|
varobj_get_objname (struct varobj *var)
|
varobj_get_objname (struct varobj *var)
|
{
|
{
|
return var->obj_name;
|
return var->obj_name;
|
}
|
}
|
|
|
/* Given the handle, return the expression represented by the object */
|
/* Given the handle, return the expression represented by the object */
|
|
|
char *
|
char *
|
varobj_get_expression (struct varobj *var)
|
varobj_get_expression (struct varobj *var)
|
{
|
{
|
return name_of_variable (var);
|
return name_of_variable (var);
|
}
|
}
|
|
|
/* Deletes a varobj and all its children if only_children == 0,
|
/* Deletes a varobj and all its children if only_children == 0,
|
otherwise deletes only the children; returns a malloc'ed list of all the
|
otherwise deletes only the children; returns a malloc'ed list of all the
|
(malloc'ed) names of the variables that have been deleted (NULL terminated) */
|
(malloc'ed) names of the variables that have been deleted (NULL terminated) */
|
|
|
int
|
int
|
varobj_delete (struct varobj *var, char ***dellist, int only_children)
|
varobj_delete (struct varobj *var, char ***dellist, int only_children)
|
{
|
{
|
int delcount;
|
int delcount;
|
int mycount;
|
int mycount;
|
struct cpstack *result = NULL;
|
struct cpstack *result = NULL;
|
char **cp;
|
char **cp;
|
|
|
/* Initialize a stack for temporary results */
|
/* Initialize a stack for temporary results */
|
cppush (&result, NULL);
|
cppush (&result, NULL);
|
|
|
if (only_children)
|
if (only_children)
|
/* Delete only the variable children */
|
/* Delete only the variable children */
|
delcount = delete_variable (&result, var, 1 /* only the children */ );
|
delcount = delete_variable (&result, var, 1 /* only the children */ );
|
else
|
else
|
/* Delete the variable and all its children */
|
/* Delete the variable and all its children */
|
delcount = delete_variable (&result, var, 0 /* parent+children */ );
|
delcount = delete_variable (&result, var, 0 /* parent+children */ );
|
|
|
/* We may have been asked to return a list of what has been deleted */
|
/* We may have been asked to return a list of what has been deleted */
|
if (dellist != NULL)
|
if (dellist != NULL)
|
{
|
{
|
*dellist = xmalloc ((delcount + 1) * sizeof (char *));
|
*dellist = xmalloc ((delcount + 1) * sizeof (char *));
|
|
|
cp = *dellist;
|
cp = *dellist;
|
mycount = delcount;
|
mycount = delcount;
|
*cp = cppop (&result);
|
*cp = cppop (&result);
|
while ((*cp != NULL) && (mycount > 0))
|
while ((*cp != NULL) && (mycount > 0))
|
{
|
{
|
mycount--;
|
mycount--;
|
cp++;
|
cp++;
|
*cp = cppop (&result);
|
*cp = cppop (&result);
|
}
|
}
|
|
|
if (mycount || (*cp != NULL))
|
if (mycount || (*cp != NULL))
|
warning ("varobj_delete: assertion failed - mycount(=%d) <> 0", mycount);
|
warning ("varobj_delete: assertion failed - mycount(=%d) <> 0", mycount);
|
}
|
}
|
|
|
return delcount;
|
return delcount;
|
}
|
}
|
|
|
/* Set/Get variable object display format */
|
/* Set/Get variable object display format */
|
|
|
enum varobj_display_formats
|
enum varobj_display_formats
|
varobj_set_display_format (struct varobj *var,
|
varobj_set_display_format (struct varobj *var,
|
enum varobj_display_formats format)
|
enum varobj_display_formats format)
|
{
|
{
|
switch (format)
|
switch (format)
|
{
|
{
|
case FORMAT_NATURAL:
|
case FORMAT_NATURAL:
|
case FORMAT_BINARY:
|
case FORMAT_BINARY:
|
case FORMAT_DECIMAL:
|
case FORMAT_DECIMAL:
|
case FORMAT_HEXADECIMAL:
|
case FORMAT_HEXADECIMAL:
|
case FORMAT_OCTAL:
|
case FORMAT_OCTAL:
|
var->format = format;
|
var->format = format;
|
break;
|
break;
|
|
|
default:
|
default:
|
var->format = variable_default_display (var);
|
var->format = variable_default_display (var);
|
}
|
}
|
|
|
return var->format;
|
return var->format;
|
}
|
}
|
|
|
enum varobj_display_formats
|
enum varobj_display_formats
|
varobj_get_display_format (struct varobj *var)
|
varobj_get_display_format (struct varobj *var)
|
{
|
{
|
return var->format;
|
return var->format;
|
}
|
}
|
|
|
int
|
int
|
varobj_get_num_children (struct varobj *var)
|
varobj_get_num_children (struct varobj *var)
|
{
|
{
|
if (var->num_children == -1)
|
if (var->num_children == -1)
|
var->num_children = number_of_children (var);
|
var->num_children = number_of_children (var);
|
|
|
return var->num_children;
|
return var->num_children;
|
}
|
}
|
|
|
/* Creates a list of the immediate children of a variable object;
|
/* Creates a list of the immediate children of a variable object;
|
the return code is the number of such children or -1 on error */
|
the return code is the number of such children or -1 on error */
|
|
|
int
|
int
|
varobj_list_children (struct varobj *var, struct varobj ***childlist)
|
varobj_list_children (struct varobj *var, struct varobj ***childlist)
|
{
|
{
|
struct varobj *child;
|
struct varobj *child;
|
char *name;
|
char *name;
|
int i;
|
int i;
|
|
|
/* sanity check: have we been passed a pointer? */
|
/* sanity check: have we been passed a pointer? */
|
if (childlist == NULL)
|
if (childlist == NULL)
|
return -1;
|
return -1;
|
|
|
*childlist = NULL;
|
*childlist = NULL;
|
|
|
if (var->num_children == -1)
|
if (var->num_children == -1)
|
var->num_children = number_of_children (var);
|
var->num_children = number_of_children (var);
|
|
|
/* List of children */
|
/* List of children */
|
*childlist = xmalloc ((var->num_children + 1) * sizeof (struct varobj *));
|
*childlist = xmalloc ((var->num_children + 1) * sizeof (struct varobj *));
|
|
|
for (i = 0; i < var->num_children; i++)
|
for (i = 0; i < var->num_children; i++)
|
{
|
{
|
/* Mark as the end in case we bail out */
|
/* Mark as the end in case we bail out */
|
*((*childlist) + i) = NULL;
|
*((*childlist) + i) = NULL;
|
|
|
/* check if child exists, if not create */
|
/* check if child exists, if not create */
|
name = name_of_child (var, i);
|
name = name_of_child (var, i);
|
child = child_exists (var, name);
|
child = child_exists (var, name);
|
if (child == NULL)
|
if (child == NULL)
|
child = create_child (var, i, name);
|
child = create_child (var, i, name);
|
|
|
*((*childlist) + i) = child;
|
*((*childlist) + i) = child;
|
}
|
}
|
|
|
/* End of list is marked by a NULL pointer */
|
/* End of list is marked by a NULL pointer */
|
*((*childlist) + i) = NULL;
|
*((*childlist) + i) = NULL;
|
|
|
return var->num_children;
|
return var->num_children;
|
}
|
}
|
|
|
/* Obtain the type of an object Variable as a string similar to the one gdb
|
/* Obtain the type of an object Variable as a string similar to the one gdb
|
prints on the console */
|
prints on the console */
|
|
|
char *
|
char *
|
varobj_get_type (struct varobj *var)
|
varobj_get_type (struct varobj *var)
|
{
|
{
|
value_ptr val;
|
value_ptr val;
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
struct ui_file *stb;
|
struct ui_file *stb;
|
char *thetype;
|
char *thetype;
|
long length;
|
long length;
|
|
|
/* For the "fake" variables, do not return a type. (It's type is
|
/* For the "fake" variables, do not return a type. (It's type is
|
NULL, too.) */
|
NULL, too.) */
|
if (CPLUS_FAKE_CHILD (var))
|
if (CPLUS_FAKE_CHILD (var))
|
return NULL;
|
return NULL;
|
|
|
stb = mem_fileopen ();
|
stb = mem_fileopen ();
|
old_chain = make_cleanup_ui_file_delete (stb);
|
old_chain = make_cleanup_ui_file_delete (stb);
|
|
|
/* To print the type, we simply create a zero value_ptr and
|
/* To print the type, we simply create a zero value_ptr and
|
cast it to our type. We then typeprint this variable. */
|
cast it to our type. We then typeprint this variable. */
|
val = value_zero (var->type, not_lval);
|
val = value_zero (var->type, not_lval);
|
type_print (VALUE_TYPE (val), "", stb, -1);
|
type_print (VALUE_TYPE (val), "", stb, -1);
|
|
|
thetype = ui_file_xstrdup (stb, &length);
|
thetype = ui_file_xstrdup (stb, &length);
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
return thetype;
|
return thetype;
|
}
|
}
|
|
|
enum varobj_languages
|
enum varobj_languages
|
varobj_get_language (struct varobj *var)
|
varobj_get_language (struct varobj *var)
|
{
|
{
|
return variable_language (var);
|
return variable_language (var);
|
}
|
}
|
|
|
int
|
int
|
varobj_get_attributes (struct varobj *var)
|
varobj_get_attributes (struct varobj *var)
|
{
|
{
|
int attributes = 0;
|
int attributes = 0;
|
|
|
if (variable_editable (var))
|
if (variable_editable (var))
|
/* FIXME: define masks for attributes */
|
/* FIXME: define masks for attributes */
|
attributes |= 0x00000001; /* Editable */
|
attributes |= 0x00000001; /* Editable */
|
|
|
return attributes;
|
return attributes;
|
}
|
}
|
|
|
char *
|
char *
|
varobj_get_value (struct varobj *var)
|
varobj_get_value (struct varobj *var)
|
{
|
{
|
return my_value_of_variable (var);
|
return my_value_of_variable (var);
|
}
|
}
|
|
|
/* Set the value of an object variable (if it is editable) to the
|
/* Set the value of an object variable (if it is editable) to the
|
value of the given expression */
|
value of the given expression */
|
/* Note: Invokes functions that can call error() */
|
/* Note: Invokes functions that can call error() */
|
|
|
int
|
int
|
varobj_set_value (struct varobj *var, char *expression)
|
varobj_set_value (struct varobj *var, char *expression)
|
{
|
{
|
value_ptr val;
|
value_ptr val;
|
int offset = 0;
|
int offset = 0;
|
|
|
/* The argument "expression" contains the variable's new value.
|
/* The argument "expression" contains the variable's new value.
|
We need to first construct a legal expression for this -- ugh! */
|
We need to first construct a legal expression for this -- ugh! */
|
/* Does this cover all the bases? */
|
/* Does this cover all the bases? */
|
struct expression *exp;
|
struct expression *exp;
|
value_ptr value;
|
value_ptr value;
|
int saved_input_radix = input_radix;
|
int saved_input_radix = input_radix;
|
|
|
if (variable_editable (var) && !var->error)
|
if (variable_editable (var) && !var->error)
|
{
|
{
|
char *s = expression;
|
char *s = expression;
|
int i;
|
int i;
|
value_ptr temp;
|
value_ptr temp;
|
|
|
input_radix = 10; /* ALWAYS reset to decimal temporarily */
|
input_radix = 10; /* ALWAYS reset to decimal temporarily */
|
/* FIXME: Callee may longjump */
|
/* FIXME: Callee may longjump */
|
exp = parse_exp_1 (&s, 0, 0);
|
exp = parse_exp_1 (&s, 0, 0);
|
if (!gdb_evaluate_expression (exp, &value))
|
if (!gdb_evaluate_expression (exp, &value))
|
{
|
{
|
/* We cannot proceed without a valid expression. */
|
/* We cannot proceed without a valid expression. */
|
FREEIF (exp);
|
FREEIF (exp);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* If our parent is "public", "private", or "protected", we could
|
/* If our parent is "public", "private", or "protected", we could
|
be asking to modify the value of a baseclass. If so, we need to
|
be asking to modify the value of a baseclass. If so, we need to
|
adjust our address by the offset of our baseclass in the subclass,
|
adjust our address by the offset of our baseclass in the subclass,
|
since VALUE_ADDRESS (var->value) points at the start of the subclass.
|
since VALUE_ADDRESS (var->value) points at the start of the subclass.
|
For some reason, value_cast doesn't take care of this properly. */
|
For some reason, value_cast doesn't take care of this properly. */
|
temp = var->value;
|
temp = var->value;
|
if (var->parent != NULL && CPLUS_FAKE_CHILD (var->parent))
|
if (var->parent != NULL && CPLUS_FAKE_CHILD (var->parent))
|
{
|
{
|
struct varobj *super, *sub;
|
struct varobj *super, *sub;
|
struct type *type;
|
struct type *type;
|
super = var->parent->parent;
|
super = var->parent->parent;
|
sub = super->parent;
|
sub = super->parent;
|
if (sub != NULL)
|
if (sub != NULL)
|
{
|
{
|
/* Yes, it is a baseclass */
|
/* Yes, it is a baseclass */
|
type = get_type_deref (sub);
|
type = get_type_deref (sub);
|
|
|
if (super->index < TYPE_N_BASECLASSES (type))
|
if (super->index < TYPE_N_BASECLASSES (type))
|
{
|
{
|
temp = value_copy (var->value);
|
temp = value_copy (var->value);
|
for (i = 0; i < super->index; i++)
|
for (i = 0; i < super->index; i++)
|
offset += TYPE_LENGTH (TYPE_FIELD_TYPE (type, i));
|
offset += TYPE_LENGTH (TYPE_FIELD_TYPE (type, i));
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
VALUE_ADDRESS (temp) += offset;
|
VALUE_ADDRESS (temp) += offset;
|
val = value_assign (temp, value);
|
val = value_assign (temp, value);
|
VALUE_ADDRESS (val) -= offset;
|
VALUE_ADDRESS (val) -= offset;
|
value_free (var->value);
|
value_free (var->value);
|
release_value (val);
|
release_value (val);
|
var->value = val;
|
var->value = val;
|
input_radix = saved_input_radix;
|
input_radix = saved_input_radix;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Returns a malloc'ed list with all root variable objects */
|
/* Returns a malloc'ed list with all root variable objects */
|
int
|
int
|
varobj_list (struct varobj ***varlist)
|
varobj_list (struct varobj ***varlist)
|
{
|
{
|
struct varobj **cv;
|
struct varobj **cv;
|
struct varobj_root *croot;
|
struct varobj_root *croot;
|
int mycount = rootcount;
|
int mycount = rootcount;
|
|
|
/* Alloc (rootcount + 1) entries for the result */
|
/* Alloc (rootcount + 1) entries for the result */
|
*varlist = xmalloc ((rootcount + 1) * sizeof (struct varobj *));
|
*varlist = xmalloc ((rootcount + 1) * sizeof (struct varobj *));
|
|
|
cv = *varlist;
|
cv = *varlist;
|
croot = rootlist;
|
croot = rootlist;
|
while ((croot != NULL) && (mycount > 0))
|
while ((croot != NULL) && (mycount > 0))
|
{
|
{
|
*cv = croot->rootvar;
|
*cv = croot->rootvar;
|
mycount--;
|
mycount--;
|
cv++;
|
cv++;
|
croot = croot->next;
|
croot = croot->next;
|
}
|
}
|
/* Mark the end of the list */
|
/* Mark the end of the list */
|
*cv = NULL;
|
*cv = NULL;
|
|
|
if (mycount || (croot != NULL))
|
if (mycount || (croot != NULL))
|
warning ("varobj_list: assertion failed - wrong tally of root vars (%d:%d)",
|
warning ("varobj_list: assertion failed - wrong tally of root vars (%d:%d)",
|
rootcount, mycount);
|
rootcount, mycount);
|
|
|
return rootcount;
|
return rootcount;
|
}
|
}
|
|
|
/* Update the values for a variable and its children. This is a
|
/* Update the values for a variable and its children. This is a
|
two-pronged attack. First, re-parse the value for the root's
|
two-pronged attack. First, re-parse the value for the root's
|
expression to see if it's changed. Then go all the way
|
expression to see if it's changed. Then go all the way
|
through its children, reconstructing them and noting if they've
|
through its children, reconstructing them and noting if they've
|
changed.
|
changed.
|
Return value:
|
Return value:
|
-1 if there was an error updating the varobj
|
-1 if there was an error updating the varobj
|
-2 if the type changed
|
-2 if the type changed
|
Otherwise it is the number of children + parent changed
|
Otherwise it is the number of children + parent changed
|
|
|
Only root variables can be updated... */
|
Only root variables can be updated... */
|
|
|
int
|
int
|
varobj_update (struct varobj *var, struct varobj ***changelist)
|
varobj_update (struct varobj *var, struct varobj ***changelist)
|
{
|
{
|
int changed = 0;
|
int changed = 0;
|
int type_changed;
|
int type_changed;
|
int i;
|
int i;
|
int vleft;
|
int vleft;
|
int error2;
|
int error2;
|
struct varobj *v;
|
struct varobj *v;
|
struct varobj **cv;
|
struct varobj **cv;
|
struct varobj **templist;
|
struct varobj **templist;
|
value_ptr new;
|
value_ptr new;
|
struct vstack *stack = NULL;
|
struct vstack *stack = NULL;
|
struct vstack *result = NULL;
|
struct vstack *result = NULL;
|
struct frame_info *old_fi;
|
struct frame_info *old_fi;
|
|
|
/* sanity check: have we been passed a pointer? */
|
/* sanity check: have we been passed a pointer? */
|
if (changelist == NULL)
|
if (changelist == NULL)
|
return -1;
|
return -1;
|
|
|
/* Only root variables can be updated... */
|
/* Only root variables can be updated... */
|
if (var->root->rootvar != var)
|
if (var->root->rootvar != var)
|
/* Not a root var */
|
/* Not a root var */
|
return -1;
|
return -1;
|
|
|
/* Save the selected stack frame, since we will need to change it
|
/* Save the selected stack frame, since we will need to change it
|
in order to evaluate expressions. */
|
in order to evaluate expressions. */
|
old_fi = selected_frame;
|
old_fi = selected_frame;
|
|
|
/* Update the root variable. value_of_root can return NULL
|
/* Update the root variable. value_of_root can return NULL
|
if the variable is no longer around, i.e. we stepped out of
|
if the variable is no longer around, i.e. we stepped out of
|
the frame in which a local existed. We are letting the
|
the frame in which a local existed. We are letting the
|
value_of_root variable dispose of the varobj if the type
|
value_of_root variable dispose of the varobj if the type
|
has changed. */
|
has changed. */
|
type_changed = 1;
|
type_changed = 1;
|
new = value_of_root (&var, &type_changed);
|
new = value_of_root (&var, &type_changed);
|
if (new == NULL)
|
if (new == NULL)
|
{
|
{
|
var->error = 1;
|
var->error = 1;
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* Initialize a stack for temporary results */
|
/* Initialize a stack for temporary results */
|
vpush (&result, NULL);
|
vpush (&result, NULL);
|
|
|
if (type_changed || !my_value_equal (var->value, new, &error2))
|
if (type_changed || !my_value_equal (var->value, new, &error2))
|
{
|
{
|
/* Note that it's changed There a couple of exceptions here,
|
/* Note that it's changed There a couple of exceptions here,
|
though. We don't want some types to be reported as
|
though. We don't want some types to be reported as
|
"changed". The exception to this is if this is a
|
"changed". The exception to this is if this is a
|
"use_selected_frame" varobj, and its type has changed. */
|
"use_selected_frame" varobj, and its type has changed. */
|
if (type_changed || type_changeable (var))
|
if (type_changed || type_changeable (var))
|
{
|
{
|
vpush (&result, var);
|
vpush (&result, var);
|
changed++;
|
changed++;
|
}
|
}
|
}
|
}
|
/* error2 replaces var->error since this new value
|
/* error2 replaces var->error since this new value
|
WILL replace the old one. */
|
WILL replace the old one. */
|
var->error = error2;
|
var->error = error2;
|
|
|
/* We must always keep around the new value for this root
|
/* We must always keep around the new value for this root
|
variable expression, or we lose the updated children! */
|
variable expression, or we lose the updated children! */
|
value_free (var->value);
|
value_free (var->value);
|
var->value = new;
|
var->value = new;
|
|
|
/* Initialize a stack */
|
/* Initialize a stack */
|
vpush (&stack, NULL);
|
vpush (&stack, NULL);
|
|
|
/* Push the root's children */
|
/* Push the root's children */
|
if (var->children != NULL)
|
if (var->children != NULL)
|
{
|
{
|
struct varobj_child *c;
|
struct varobj_child *c;
|
for (c = var->children; c != NULL; c = c->next)
|
for (c = var->children; c != NULL; c = c->next)
|
vpush (&stack, c->child);
|
vpush (&stack, c->child);
|
}
|
}
|
|
|
/* Walk through the children, reconstructing them all. */
|
/* Walk through the children, reconstructing them all. */
|
v = vpop (&stack);
|
v = vpop (&stack);
|
while (v != NULL)
|
while (v != NULL)
|
{
|
{
|
/* Push any children */
|
/* Push any children */
|
if (v->children != NULL)
|
if (v->children != NULL)
|
{
|
{
|
struct varobj_child *c;
|
struct varobj_child *c;
|
for (c = v->children; c != NULL; c = c->next)
|
for (c = v->children; c != NULL; c = c->next)
|
vpush (&stack, c->child);
|
vpush (&stack, c->child);
|
}
|
}
|
|
|
/* Update this variable */
|
/* Update this variable */
|
new = value_of_child (v->parent, v->index);
|
new = value_of_child (v->parent, v->index);
|
if (type_changeable (v) && !my_value_equal (v->value, new, &error2))
|
if (type_changeable (v) && !my_value_equal (v->value, new, &error2))
|
{
|
{
|
/* Note that it's changed */
|
/* Note that it's changed */
|
vpush (&result, v);
|
vpush (&result, v);
|
changed++;
|
changed++;
|
}
|
}
|
/* error2 replaces v->error since this new value
|
/* error2 replaces v->error since this new value
|
WILL replace the old one. */
|
WILL replace the old one. */
|
v->error = error2;
|
v->error = error2;
|
|
|
/* We must always keep new values, since children depend on it. */
|
/* We must always keep new values, since children depend on it. */
|
if (v->value != NULL)
|
if (v->value != NULL)
|
value_free (v->value);
|
value_free (v->value);
|
v->value = new;
|
v->value = new;
|
|
|
/* Get next child */
|
/* Get next child */
|
v = vpop (&stack);
|
v = vpop (&stack);
|
}
|
}
|
|
|
/* Alloc (changed + 1) list entries */
|
/* Alloc (changed + 1) list entries */
|
/* FIXME: add a cleanup for the allocated list(s)
|
/* FIXME: add a cleanup for the allocated list(s)
|
because one day the select_frame called below can longjump */
|
because one day the select_frame called below can longjump */
|
*changelist = xmalloc ((changed + 1) * sizeof (struct varobj *));
|
*changelist = xmalloc ((changed + 1) * sizeof (struct varobj *));
|
if (changed > 1)
|
if (changed > 1)
|
{
|
{
|
templist = xmalloc ((changed + 1) * sizeof (struct varobj *));
|
templist = xmalloc ((changed + 1) * sizeof (struct varobj *));
|
cv = templist;
|
cv = templist;
|
}
|
}
|
else
|
else
|
cv = *changelist;
|
cv = *changelist;
|
|
|
/* Copy from result stack to list */
|
/* Copy from result stack to list */
|
vleft = changed;
|
vleft = changed;
|
*cv = vpop (&result);
|
*cv = vpop (&result);
|
while ((*cv != NULL) && (vleft > 0))
|
while ((*cv != NULL) && (vleft > 0))
|
{
|
{
|
vleft--;
|
vleft--;
|
cv++;
|
cv++;
|
*cv = vpop (&result);
|
*cv = vpop (&result);
|
}
|
}
|
if (vleft)
|
if (vleft)
|
warning ("varobj_update: assertion failed - vleft <> 0");
|
warning ("varobj_update: assertion failed - vleft <> 0");
|
|
|
if (changed > 1)
|
if (changed > 1)
|
{
|
{
|
/* Now we revert the order. */
|
/* Now we revert the order. */
|
for (i=0; i < changed; i++)
|
for (i=0; i < changed; i++)
|
*(*changelist + i) = *(templist + changed -1 - i);
|
*(*changelist + i) = *(templist + changed -1 - i);
|
*(*changelist + changed) = NULL;
|
*(*changelist + changed) = NULL;
|
}
|
}
|
|
|
/* Restore selected frame */
|
/* Restore selected frame */
|
select_frame (old_fi, -1);
|
select_frame (old_fi, -1);
|
|
|
if (type_changed)
|
if (type_changed)
|
return -2;
|
return -2;
|
else
|
else
|
return changed;
|
return changed;
|
}
|
}
|
|
|
|
|
/* Helper functions */
|
/* Helper functions */
|
|
|
/*
|
/*
|
* Variable object construction/destruction
|
* Variable object construction/destruction
|
*/
|
*/
|
|
|
static int
|
static int
|
delete_variable (resultp, var, only_children_p)
|
delete_variable (resultp, var, only_children_p)
|
struct cpstack **resultp;
|
struct cpstack **resultp;
|
struct varobj *var;
|
struct varobj *var;
|
int only_children_p;
|
int only_children_p;
|
{
|
{
|
int delcount = 0;
|
int delcount = 0;
|
|
|
delete_variable_1 (resultp, &delcount, var,
|
delete_variable_1 (resultp, &delcount, var,
|
only_children_p, 1 /* remove_from_parent_p */ );
|
only_children_p, 1 /* remove_from_parent_p */ );
|
|
|
return delcount;
|
return delcount;
|
}
|
}
|
|
|
/* Delete the variable object VAR and its children */
|
/* Delete the variable object VAR and its children */
|
/* IMPORTANT NOTE: If we delete a variable which is a child
|
/* IMPORTANT NOTE: If we delete a variable which is a child
|
and the parent is not removed we dump core. It must be always
|
and the parent is not removed we dump core. It must be always
|
initially called with remove_from_parent_p set */
|
initially called with remove_from_parent_p set */
|
static void
|
static void
|
delete_variable_1 (resultp, delcountp, var,
|
delete_variable_1 (resultp, delcountp, var,
|
only_children_p, remove_from_parent_p)
|
only_children_p, remove_from_parent_p)
|
struct cpstack **resultp;
|
struct cpstack **resultp;
|
int *delcountp;
|
int *delcountp;
|
struct varobj *var;
|
struct varobj *var;
|
int only_children_p;
|
int only_children_p;
|
int remove_from_parent_p;
|
int remove_from_parent_p;
|
{
|
{
|
struct varobj_child *vc;
|
struct varobj_child *vc;
|
struct varobj_child *next;
|
struct varobj_child *next;
|
|
|
/* Delete any children of this variable, too. */
|
/* Delete any children of this variable, too. */
|
for (vc = var->children; vc != NULL; vc = next)
|
for (vc = var->children; vc != NULL; vc = next)
|
{
|
{
|
if (!remove_from_parent_p)
|
if (!remove_from_parent_p)
|
vc->child->parent = NULL;
|
vc->child->parent = NULL;
|
delete_variable_1 (resultp, delcountp, vc->child, 0, only_children_p);
|
delete_variable_1 (resultp, delcountp, vc->child, 0, only_children_p);
|
next = vc->next;
|
next = vc->next;
|
free (vc);
|
free (vc);
|
}
|
}
|
|
|
/* if we were called to delete only the children we are done here */
|
/* if we were called to delete only the children we are done here */
|
if (only_children_p)
|
if (only_children_p)
|
return;
|
return;
|
|
|
/* Otherwise, add it to the list of deleted ones and proceed to do so */
|
/* Otherwise, add it to the list of deleted ones and proceed to do so */
|
/* If the name is null, this is a temporary variable, that has not
|
/* If the name is null, this is a temporary variable, that has not
|
yet been installed, don't report it, it belongs to the caller... */
|
yet been installed, don't report it, it belongs to the caller... */
|
if (var->obj_name != NULL)
|
if (var->obj_name != NULL)
|
{
|
{
|
cppush (resultp, strdup (var->obj_name));
|
cppush (resultp, strdup (var->obj_name));
|
*delcountp = *delcountp + 1;
|
*delcountp = *delcountp + 1;
|
}
|
}
|
|
|
/* If this variable has a parent, remove it from its parent's list */
|
/* If this variable has a parent, remove it from its parent's list */
|
/* OPTIMIZATION: if the parent of this variable is also being deleted,
|
/* OPTIMIZATION: if the parent of this variable is also being deleted,
|
(as indicated by remove_from_parent_p) we don't bother doing an
|
(as indicated by remove_from_parent_p) we don't bother doing an
|
expensive list search to find the element to remove when we are
|
expensive list search to find the element to remove when we are
|
discarding the list afterwards */
|
discarding the list afterwards */
|
if ((remove_from_parent_p) &&
|
if ((remove_from_parent_p) &&
|
(var->parent != NULL))
|
(var->parent != NULL))
|
{
|
{
|
remove_child_from_parent (var->parent, var);
|
remove_child_from_parent (var->parent, var);
|
}
|
}
|
|
|
if (var->obj_name != NULL)
|
if (var->obj_name != NULL)
|
uninstall_variable (var);
|
uninstall_variable (var);
|
|
|
/* Free memory associated with this variable */
|
/* Free memory associated with this variable */
|
free_variable (var);
|
free_variable (var);
|
}
|
}
|
|
|
/* Install the given variable VAR with the object name VAR->OBJ_NAME. */
|
/* Install the given variable VAR with the object name VAR->OBJ_NAME. */
|
static int
|
static int
|
install_variable (var)
|
install_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct vlist *cv;
|
struct vlist *cv;
|
struct vlist *newvl;
|
struct vlist *newvl;
|
const char *chp;
|
const char *chp;
|
unsigned int index = 0;
|
unsigned int index = 0;
|
unsigned int i = 1;
|
unsigned int i = 1;
|
|
|
for (chp = var->obj_name; *chp; chp++)
|
for (chp = var->obj_name; *chp; chp++)
|
{
|
{
|
index = (index + (i++ * (unsigned int) *chp)) % VAROBJ_TABLE_SIZE;
|
index = (index + (i++ * (unsigned int) *chp)) % VAROBJ_TABLE_SIZE;
|
}
|
}
|
|
|
cv = *(varobj_table + index);
|
cv = *(varobj_table + index);
|
while ((cv != NULL) && (strcmp (cv->var->obj_name, var->obj_name) != 0))
|
while ((cv != NULL) && (strcmp (cv->var->obj_name, var->obj_name) != 0))
|
cv = cv->next;
|
cv = cv->next;
|
|
|
if (cv != NULL)
|
if (cv != NULL)
|
error ("Duplicate variable object name");
|
error ("Duplicate variable object name");
|
|
|
/* Add varobj to hash table */
|
/* Add varobj to hash table */
|
newvl = xmalloc (sizeof (struct vlist));
|
newvl = xmalloc (sizeof (struct vlist));
|
newvl->next = *(varobj_table + index);
|
newvl->next = *(varobj_table + index);
|
newvl->var = var;
|
newvl->var = var;
|
*(varobj_table + index) = newvl;
|
*(varobj_table + index) = newvl;
|
|
|
/* If root, add varobj to root list */
|
/* If root, add varobj to root list */
|
if (var->root->rootvar == var)
|
if (var->root->rootvar == var)
|
{
|
{
|
/* Add to list of root variables */
|
/* Add to list of root variables */
|
if (rootlist == NULL)
|
if (rootlist == NULL)
|
var->root->next = NULL;
|
var->root->next = NULL;
|
else
|
else
|
var->root->next = rootlist;
|
var->root->next = rootlist;
|
rootlist = var->root;
|
rootlist = var->root;
|
rootcount++;
|
rootcount++;
|
}
|
}
|
|
|
return 1; /* OK */
|
return 1; /* OK */
|
}
|
}
|
|
|
/* Unistall the object VAR. */
|
/* Unistall the object VAR. */
|
static void
|
static void
|
uninstall_variable (var)
|
uninstall_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct vlist *cv;
|
struct vlist *cv;
|
struct vlist *prev;
|
struct vlist *prev;
|
struct varobj_root *cr;
|
struct varobj_root *cr;
|
struct varobj_root *prer;
|
struct varobj_root *prer;
|
const char *chp;
|
const char *chp;
|
unsigned int index = 0;
|
unsigned int index = 0;
|
unsigned int i = 1;
|
unsigned int i = 1;
|
|
|
/* Remove varobj from hash table */
|
/* Remove varobj from hash table */
|
for (chp = var->obj_name; *chp; chp++)
|
for (chp = var->obj_name; *chp; chp++)
|
{
|
{
|
index = (index + (i++ * (unsigned int) *chp)) % VAROBJ_TABLE_SIZE;
|
index = (index + (i++ * (unsigned int) *chp)) % VAROBJ_TABLE_SIZE;
|
}
|
}
|
|
|
cv = *(varobj_table + index);
|
cv = *(varobj_table + index);
|
prev = NULL;
|
prev = NULL;
|
while ((cv != NULL) && (strcmp (cv->var->obj_name, var->obj_name) != 0))
|
while ((cv != NULL) && (strcmp (cv->var->obj_name, var->obj_name) != 0))
|
{
|
{
|
prev = cv;
|
prev = cv;
|
cv = cv->next;
|
cv = cv->next;
|
}
|
}
|
|
|
if (varobjdebug)
|
if (varobjdebug)
|
fprintf_unfiltered (gdb_stdlog, "Deleting %s\n", var->obj_name);
|
fprintf_unfiltered (gdb_stdlog, "Deleting %s\n", var->obj_name);
|
|
|
if (cv == NULL)
|
if (cv == NULL)
|
{
|
{
|
warning ("Assertion failed: Could not find variable object \"%s\" to delete", var->obj_name);
|
warning ("Assertion failed: Could not find variable object \"%s\" to delete", var->obj_name);
|
return;
|
return;
|
}
|
}
|
|
|
if (prev == NULL)
|
if (prev == NULL)
|
*(varobj_table + index) = cv->next;
|
*(varobj_table + index) = cv->next;
|
else
|
else
|
prev->next = cv->next;
|
prev->next = cv->next;
|
|
|
free (cv);
|
free (cv);
|
|
|
/* If root, remove varobj from root list */
|
/* If root, remove varobj from root list */
|
if (var->root->rootvar == var)
|
if (var->root->rootvar == var)
|
{
|
{
|
/* Remove from list of root variables */
|
/* Remove from list of root variables */
|
if (rootlist == var->root)
|
if (rootlist == var->root)
|
rootlist = var->root->next;
|
rootlist = var->root->next;
|
else
|
else
|
{
|
{
|
prer = NULL;
|
prer = NULL;
|
cr = rootlist;
|
cr = rootlist;
|
while ((cr != NULL) && (cr->rootvar != var))
|
while ((cr != NULL) && (cr->rootvar != var))
|
{
|
{
|
prer = cr;
|
prer = cr;
|
cr = cr->next;
|
cr = cr->next;
|
}
|
}
|
if (cr == NULL)
|
if (cr == NULL)
|
{
|
{
|
warning ("Assertion failed: Could not find varobj \"%s\" in root list", var->obj_name);
|
warning ("Assertion failed: Could not find varobj \"%s\" in root list", var->obj_name);
|
return;
|
return;
|
}
|
}
|
if (prer == NULL)
|
if (prer == NULL)
|
rootlist = NULL;
|
rootlist = NULL;
|
else
|
else
|
prer->next = cr->next;
|
prer->next = cr->next;
|
}
|
}
|
rootcount--;
|
rootcount--;
|
}
|
}
|
|
|
}
|
}
|
|
|
/* Does a child with the name NAME exist in VAR? If so, return its data.
|
/* Does a child with the name NAME exist in VAR? If so, return its data.
|
If not, return NULL. */
|
If not, return NULL. */
|
static struct varobj *
|
static struct varobj *
|
child_exists (var, name)
|
child_exists (var, name)
|
struct varobj *var; /* Parent */
|
struct varobj *var; /* Parent */
|
char *name; /* name of child */
|
char *name; /* name of child */
|
{
|
{
|
struct varobj_child *vc;
|
struct varobj_child *vc;
|
|
|
for (vc = var->children; vc != NULL; vc = vc->next)
|
for (vc = var->children; vc != NULL; vc = vc->next)
|
{
|
{
|
if (STREQ (vc->child->name, name))
|
if (STREQ (vc->child->name, name))
|
return vc->child;
|
return vc->child;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Create and install a child of the parent of the given name */
|
/* Create and install a child of the parent of the given name */
|
static struct varobj *
|
static struct varobj *
|
create_child (parent, index, name)
|
create_child (parent, index, name)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
char *name;
|
char *name;
|
{
|
{
|
struct varobj *child;
|
struct varobj *child;
|
char *childs_name;
|
char *childs_name;
|
|
|
child = new_variable ();
|
child = new_variable ();
|
|
|
/* name is allocated by name_of_child */
|
/* name is allocated by name_of_child */
|
child->name = name;
|
child->name = name;
|
child->index = index;
|
child->index = index;
|
child->value = value_of_child (parent, index);
|
child->value = value_of_child (parent, index);
|
if (child->value == NULL || parent->error)
|
if (child->value == NULL || parent->error)
|
child->error = 1;
|
child->error = 1;
|
child->parent = parent;
|
child->parent = parent;
|
child->root = parent->root;
|
child->root = parent->root;
|
childs_name = (char *) xmalloc ((strlen (parent->obj_name) + strlen (name) + 2)
|
childs_name = (char *) xmalloc ((strlen (parent->obj_name) + strlen (name) + 2)
|
* sizeof (char));
|
* sizeof (char));
|
sprintf (childs_name, "%s.%s", parent->obj_name, name);
|
sprintf (childs_name, "%s.%s", parent->obj_name, name);
|
child->obj_name = childs_name;
|
child->obj_name = childs_name;
|
install_variable (child);
|
install_variable (child);
|
|
|
/* Save a pointer to this child in the parent */
|
/* Save a pointer to this child in the parent */
|
save_child_in_parent (parent, child);
|
save_child_in_parent (parent, child);
|
|
|
/* Note the type of this child */
|
/* Note the type of this child */
|
child->type = type_of_child (child);
|
child->type = type_of_child (child);
|
|
|
return child;
|
return child;
|
}
|
}
|
|
|
/* FIXME: This should be a generic add to list */
|
/* FIXME: This should be a generic add to list */
|
/* Save CHILD in the PARENT's data. */
|
/* Save CHILD in the PARENT's data. */
|
static void
|
static void
|
save_child_in_parent (parent, child)
|
save_child_in_parent (parent, child)
|
struct varobj *parent;
|
struct varobj *parent;
|
struct varobj *child;
|
struct varobj *child;
|
{
|
{
|
struct varobj_child *vc;
|
struct varobj_child *vc;
|
|
|
/* Insert the child at the top */
|
/* Insert the child at the top */
|
vc = parent->children;
|
vc = parent->children;
|
parent->children =
|
parent->children =
|
(struct varobj_child *) xmalloc (sizeof (struct varobj_child));
|
(struct varobj_child *) xmalloc (sizeof (struct varobj_child));
|
|
|
parent->children->next = vc;
|
parent->children->next = vc;
|
parent->children->child = child;
|
parent->children->child = child;
|
}
|
}
|
|
|
/* FIXME: This should be a generic remove from list */
|
/* FIXME: This should be a generic remove from list */
|
/* Remove the CHILD from the PARENT's list of children. */
|
/* Remove the CHILD from the PARENT's list of children. */
|
static void
|
static void
|
remove_child_from_parent (parent, child)
|
remove_child_from_parent (parent, child)
|
struct varobj *parent;
|
struct varobj *parent;
|
struct varobj *child;
|
struct varobj *child;
|
{
|
{
|
struct varobj_child *vc, *prev;
|
struct varobj_child *vc, *prev;
|
|
|
/* Find the child in the parent's list */
|
/* Find the child in the parent's list */
|
prev = NULL;
|
prev = NULL;
|
for (vc = parent->children; vc != NULL;)
|
for (vc = parent->children; vc != NULL;)
|
{
|
{
|
if (vc->child == child)
|
if (vc->child == child)
|
break;
|
break;
|
prev = vc;
|
prev = vc;
|
vc = vc->next;
|
vc = vc->next;
|
}
|
}
|
|
|
if (prev == NULL)
|
if (prev == NULL)
|
parent->children = vc->next;
|
parent->children = vc->next;
|
else
|
else
|
prev->next = vc->next;
|
prev->next = vc->next;
|
|
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Miscellaneous utility functions.
|
* Miscellaneous utility functions.
|
*/
|
*/
|
|
|
/* Allocate memory and initialize a new variable */
|
/* Allocate memory and initialize a new variable */
|
static struct varobj *
|
static struct varobj *
|
new_variable (void)
|
new_variable (void)
|
{
|
{
|
struct varobj *var;
|
struct varobj *var;
|
|
|
var = (struct varobj *) xmalloc (sizeof (struct varobj));
|
var = (struct varobj *) xmalloc (sizeof (struct varobj));
|
var->name = NULL;
|
var->name = NULL;
|
var->obj_name = NULL;
|
var->obj_name = NULL;
|
var->index = -1;
|
var->index = -1;
|
var->type = NULL;
|
var->type = NULL;
|
var->value = NULL;
|
var->value = NULL;
|
var->error = 0;
|
var->error = 0;
|
var->num_children = -1;
|
var->num_children = -1;
|
var->parent = NULL;
|
var->parent = NULL;
|
var->children = NULL;
|
var->children = NULL;
|
var->format = 0;
|
var->format = 0;
|
var->root = NULL;
|
var->root = NULL;
|
|
|
return var;
|
return var;
|
}
|
}
|
|
|
/* Allocate memory and initialize a new root variable */
|
/* Allocate memory and initialize a new root variable */
|
static struct varobj *
|
static struct varobj *
|
new_root_variable (void)
|
new_root_variable (void)
|
{
|
{
|
struct varobj *var = new_variable ();
|
struct varobj *var = new_variable ();
|
var->root = (struct varobj_root *) xmalloc (sizeof (struct varobj_root));;
|
var->root = (struct varobj_root *) xmalloc (sizeof (struct varobj_root));;
|
var->root->lang = NULL;
|
var->root->lang = NULL;
|
var->root->exp = NULL;
|
var->root->exp = NULL;
|
var->root->valid_block = NULL;
|
var->root->valid_block = NULL;
|
var->root->frame = (CORE_ADDR) -1;
|
var->root->frame = (CORE_ADDR) -1;
|
var->root->use_selected_frame = 0;
|
var->root->use_selected_frame = 0;
|
var->root->rootvar = NULL;
|
var->root->rootvar = NULL;
|
|
|
return var;
|
return var;
|
}
|
}
|
|
|
/* Free any allocated memory associated with VAR. */
|
/* Free any allocated memory associated with VAR. */
|
static void
|
static void
|
free_variable (var)
|
free_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
/* Free the expression if this is a root variable. */
|
/* Free the expression if this is a root variable. */
|
if (var->root->rootvar == var)
|
if (var->root->rootvar == var)
|
{
|
{
|
free_current_contents ((char **) &var->root->exp);
|
free_current_contents ((char **) &var->root->exp);
|
FREEIF (var->root);
|
FREEIF (var->root);
|
}
|
}
|
|
|
FREEIF (var->name);
|
FREEIF (var->name);
|
FREEIF (var->obj_name);
|
FREEIF (var->obj_name);
|
FREEIF (var);
|
FREEIF (var);
|
}
|
}
|
|
|
/* This returns the type of the variable. This skips past typedefs
|
/* This returns the type of the variable. This skips past typedefs
|
and returns the real type of the variable. It also dereferences
|
and returns the real type of the variable. It also dereferences
|
pointers and references. */
|
pointers and references. */
|
static struct type *
|
static struct type *
|
get_type (var)
|
get_type (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
type = var->type;
|
type = var->type;
|
|
|
while (type != NULL && TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
|
while (type != NULL && TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
|
type = TYPE_TARGET_TYPE (type);
|
type = TYPE_TARGET_TYPE (type);
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
/* This returns the type of the variable, dereferencing pointers, too. */
|
/* This returns the type of the variable, dereferencing pointers, too. */
|
static struct type *
|
static struct type *
|
get_type_deref (var)
|
get_type_deref (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
|
|
type = get_type (var);
|
type = get_type (var);
|
|
|
if (type != NULL && (TYPE_CODE (type) == TYPE_CODE_PTR
|
if (type != NULL && (TYPE_CODE (type) == TYPE_CODE_PTR
|
|| TYPE_CODE (type) == TYPE_CODE_REF))
|
|| TYPE_CODE (type) == TYPE_CODE_REF))
|
type = get_target_type (type);
|
type = get_target_type (type);
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
/* This returns the target type (or NULL) of TYPE, also skipping
|
/* This returns the target type (or NULL) of TYPE, also skipping
|
past typedefs, just like get_type (). */
|
past typedefs, just like get_type (). */
|
static struct type *
|
static struct type *
|
get_target_type (type)
|
get_target_type (type)
|
struct type *type;
|
struct type *type;
|
{
|
{
|
if (type != NULL)
|
if (type != NULL)
|
{
|
{
|
type = TYPE_TARGET_TYPE (type);
|
type = TYPE_TARGET_TYPE (type);
|
while (type != NULL && TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
|
while (type != NULL && TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
|
type = TYPE_TARGET_TYPE (type);
|
type = TYPE_TARGET_TYPE (type);
|
}
|
}
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
/* What is the default display for this variable? We assume that
|
/* What is the default display for this variable? We assume that
|
everything is "natural". Any exceptions? */
|
everything is "natural". Any exceptions? */
|
static enum varobj_display_formats
|
static enum varobj_display_formats
|
variable_default_display (var)
|
variable_default_display (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return FORMAT_NATURAL;
|
return FORMAT_NATURAL;
|
}
|
}
|
|
|
/* This function is similar to gdb's value_equal, except that this
|
/* This function is similar to gdb's value_equal, except that this
|
one is "safe" -- it NEVER longjmps. It determines if the VAR's
|
one is "safe" -- it NEVER longjmps. It determines if the VAR's
|
value is the same as VAL2. */
|
value is the same as VAL2. */
|
static int
|
static int
|
my_value_equal (val1, val2, error2)
|
my_value_equal (val1, val2, error2)
|
value_ptr val1;
|
value_ptr val1;
|
value_ptr val2;
|
value_ptr val2;
|
int *error2;
|
int *error2;
|
{
|
{
|
int r, err1, err2;
|
int r, err1, err2;
|
|
|
*error2 = 0;
|
*error2 = 0;
|
/* Special case: NULL values. If both are null, say
|
/* Special case: NULL values. If both are null, say
|
they're equal. */
|
they're equal. */
|
if (val1 == NULL && val2 == NULL)
|
if (val1 == NULL && val2 == NULL)
|
return 1;
|
return 1;
|
else if (val1 == NULL || val2 == NULL)
|
else if (val1 == NULL || val2 == NULL)
|
return 0;
|
return 0;
|
|
|
/* This is bogus, but unfortunately necessary. We must know
|
/* This is bogus, but unfortunately necessary. We must know
|
exactly what caused an error -- reading val1 or val2 -- so
|
exactly what caused an error -- reading val1 or val2 -- so
|
that we can really determine if we think that something has changed. */
|
that we can really determine if we think that something has changed. */
|
err1 = 0;
|
err1 = 0;
|
err2 = 0;
|
err2 = 0;
|
/* We do need to catch errors here because the whole purpose
|
/* We do need to catch errors here because the whole purpose
|
is to test if value_equal() has errored */
|
is to test if value_equal() has errored */
|
if (!gdb_value_equal (val1, val1, &r))
|
if (!gdb_value_equal (val1, val1, &r))
|
err1 = 1;
|
err1 = 1;
|
|
|
if (!gdb_value_equal (val2, val2, &r))
|
if (!gdb_value_equal (val2, val2, &r))
|
*error2 = err2 = 1;
|
*error2 = err2 = 1;
|
|
|
if (err1 != err2)
|
if (err1 != err2)
|
return 0;
|
return 0;
|
|
|
if (!gdb_value_equal (val1, val2, &r))
|
if (!gdb_value_equal (val1, val2, &r))
|
{
|
{
|
/* An error occurred, this could have happened if
|
/* An error occurred, this could have happened if
|
either val1 or val2 errored. ERR1 and ERR2 tell
|
either val1 or val2 errored. ERR1 and ERR2 tell
|
us which of these it is. If both errored, then
|
us which of these it is. If both errored, then
|
we assume nothing has changed. If one of them is
|
we assume nothing has changed. If one of them is
|
valid, though, then something has changed. */
|
valid, though, then something has changed. */
|
if (err1 == err2)
|
if (err1 == err2)
|
{
|
{
|
/* both the old and new values caused errors, so
|
/* both the old and new values caused errors, so
|
we say the value did not change */
|
we say the value did not change */
|
/* This is indeterminate, though. Perhaps we should
|
/* This is indeterminate, though. Perhaps we should
|
be safe and say, yes, it changed anyway?? */
|
be safe and say, yes, it changed anyway?? */
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
return r;
|
return r;
|
}
|
}
|
|
|
/* FIXME: The following should be generic for any pointer */
|
/* FIXME: The following should be generic for any pointer */
|
static void
|
static void
|
vpush (pstack, var)
|
vpush (pstack, var)
|
struct vstack **pstack;
|
struct vstack **pstack;
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct vstack *s;
|
struct vstack *s;
|
|
|
s = (struct vstack *) xmalloc (sizeof (struct vstack));
|
s = (struct vstack *) xmalloc (sizeof (struct vstack));
|
s->var = var;
|
s->var = var;
|
s->next = *pstack;
|
s->next = *pstack;
|
*pstack = s;
|
*pstack = s;
|
}
|
}
|
|
|
/* FIXME: The following should be generic for any pointer */
|
/* FIXME: The following should be generic for any pointer */
|
static struct varobj *
|
static struct varobj *
|
vpop (pstack)
|
vpop (pstack)
|
struct vstack **pstack;
|
struct vstack **pstack;
|
{
|
{
|
struct vstack *s;
|
struct vstack *s;
|
struct varobj *v;
|
struct varobj *v;
|
|
|
if ((*pstack)->var == NULL && (*pstack)->next == NULL)
|
if ((*pstack)->var == NULL && (*pstack)->next == NULL)
|
return NULL;
|
return NULL;
|
|
|
s = *pstack;
|
s = *pstack;
|
v = s->var;
|
v = s->var;
|
*pstack = (*pstack)->next;
|
*pstack = (*pstack)->next;
|
free (s);
|
free (s);
|
|
|
return v;
|
return v;
|
}
|
}
|
|
|
/* FIXME: The following should be generic for any pointer */
|
/* FIXME: The following should be generic for any pointer */
|
static void
|
static void
|
cppush (pstack, name)
|
cppush (pstack, name)
|
struct cpstack **pstack;
|
struct cpstack **pstack;
|
char *name;
|
char *name;
|
{
|
{
|
struct cpstack *s;
|
struct cpstack *s;
|
|
|
s = (struct cpstack *) xmalloc (sizeof (struct cpstack));
|
s = (struct cpstack *) xmalloc (sizeof (struct cpstack));
|
s->name = name;
|
s->name = name;
|
s->next = *pstack;
|
s->next = *pstack;
|
*pstack = s;
|
*pstack = s;
|
}
|
}
|
|
|
/* FIXME: The following should be generic for any pointer */
|
/* FIXME: The following should be generic for any pointer */
|
static char *
|
static char *
|
cppop (pstack)
|
cppop (pstack)
|
struct cpstack **pstack;
|
struct cpstack **pstack;
|
{
|
{
|
struct cpstack *s;
|
struct cpstack *s;
|
char *v;
|
char *v;
|
|
|
if ((*pstack)->name == NULL && (*pstack)->next == NULL)
|
if ((*pstack)->name == NULL && (*pstack)->next == NULL)
|
return NULL;
|
return NULL;
|
|
|
s = *pstack;
|
s = *pstack;
|
v = s->name;
|
v = s->name;
|
*pstack = (*pstack)->next;
|
*pstack = (*pstack)->next;
|
free (s);
|
free (s);
|
|
|
return v;
|
return v;
|
}
|
}
|
|
|
/*
|
/*
|
* Language-dependencies
|
* Language-dependencies
|
*/
|
*/
|
|
|
/* Common entry points */
|
/* Common entry points */
|
|
|
/* Get the language of variable VAR. */
|
/* Get the language of variable VAR. */
|
static enum varobj_languages
|
static enum varobj_languages
|
variable_language (var)
|
variable_language (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
enum varobj_languages lang;
|
enum varobj_languages lang;
|
|
|
switch (var->root->exp->language_defn->la_language)
|
switch (var->root->exp->language_defn->la_language)
|
{
|
{
|
default:
|
default:
|
case language_c:
|
case language_c:
|
lang = vlang_c;
|
lang = vlang_c;
|
break;
|
break;
|
case language_cplus:
|
case language_cplus:
|
lang = vlang_cplus;
|
lang = vlang_cplus;
|
break;
|
break;
|
case language_java:
|
case language_java:
|
lang = vlang_java;
|
lang = vlang_java;
|
break;
|
break;
|
}
|
}
|
|
|
return lang;
|
return lang;
|
}
|
}
|
|
|
/* Return the number of children for a given variable.
|
/* Return the number of children for a given variable.
|
The result of this function is defined by the language
|
The result of this function is defined by the language
|
implementation. The number of children returned by this function
|
implementation. The number of children returned by this function
|
is the number of children that the user will see in the variable
|
is the number of children that the user will see in the variable
|
display. */
|
display. */
|
static int
|
static int
|
number_of_children (var)
|
number_of_children (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return (*var->root->lang->number_of_children) (var);;
|
return (*var->root->lang->number_of_children) (var);;
|
}
|
}
|
|
|
/* What is the expression for the root varobj VAR? Returns a malloc'd string. */
|
/* What is the expression for the root varobj VAR? Returns a malloc'd string. */
|
static char *
|
static char *
|
name_of_variable (var)
|
name_of_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return (*var->root->lang->name_of_variable) (var);
|
return (*var->root->lang->name_of_variable) (var);
|
}
|
}
|
|
|
/* What is the name of the INDEX'th child of VAR? Returns a malloc'd string. */
|
/* What is the name of the INDEX'th child of VAR? Returns a malloc'd string. */
|
static char *
|
static char *
|
name_of_child (var, index)
|
name_of_child (var, index)
|
struct varobj *var;
|
struct varobj *var;
|
int index;
|
int index;
|
{
|
{
|
return (*var->root->lang->name_of_child) (var, index);
|
return (*var->root->lang->name_of_child) (var, index);
|
}
|
}
|
|
|
/* What is the value_ptr of the root variable VAR?
|
/* What is the value_ptr of the root variable VAR?
|
TYPE_CHANGED controls what to do if the type of a
|
TYPE_CHANGED controls what to do if the type of a
|
use_selected_frame = 1 variable changes. On input,
|
use_selected_frame = 1 variable changes. On input,
|
TYPE_CHANGED = 1 means discard the old varobj, and replace
|
TYPE_CHANGED = 1 means discard the old varobj, and replace
|
it with this one. TYPE_CHANGED = 0 means leave it around.
|
it with this one. TYPE_CHANGED = 0 means leave it around.
|
NB: In both cases, var_handle will point to the new varobj,
|
NB: In both cases, var_handle will point to the new varobj,
|
so if you use TYPE_CHANGED = 0, you will have to stash the
|
so if you use TYPE_CHANGED = 0, you will have to stash the
|
old varobj pointer away somewhere before calling this.
|
old varobj pointer away somewhere before calling this.
|
On return, TYPE_CHANGED will be 1 if the type has changed, and
|
On return, TYPE_CHANGED will be 1 if the type has changed, and
|
0 otherwise. */
|
0 otherwise. */
|
static value_ptr
|
static value_ptr
|
value_of_root (var_handle, type_changed)
|
value_of_root (var_handle, type_changed)
|
struct varobj ** var_handle;
|
struct varobj ** var_handle;
|
int *type_changed;
|
int *type_changed;
|
{
|
{
|
struct varobj *var;
|
struct varobj *var;
|
|
|
if (var_handle == NULL)
|
if (var_handle == NULL)
|
return NULL;
|
return NULL;
|
|
|
var = *var_handle;
|
var = *var_handle;
|
|
|
/* This should really be an exception, since this should
|
/* This should really be an exception, since this should
|
only get called with a root variable. */
|
only get called with a root variable. */
|
|
|
if (var->root->rootvar != var)
|
if (var->root->rootvar != var)
|
return NULL;
|
return NULL;
|
|
|
if (var->root->use_selected_frame)
|
if (var->root->use_selected_frame)
|
{
|
{
|
struct varobj *tmp_var;
|
struct varobj *tmp_var;
|
char *old_type, *new_type;
|
char *old_type, *new_type;
|
old_type = varobj_get_type (var);
|
old_type = varobj_get_type (var);
|
tmp_var = varobj_create (NULL, var->name, (CORE_ADDR) 0,
|
tmp_var = varobj_create (NULL, var->name, (CORE_ADDR) 0,
|
USE_SELECTED_FRAME);
|
USE_SELECTED_FRAME);
|
if (tmp_var == NULL)
|
if (tmp_var == NULL)
|
{
|
{
|
return NULL;
|
return NULL;
|
}
|
}
|
new_type = varobj_get_type (tmp_var);
|
new_type = varobj_get_type (tmp_var);
|
if (strcmp(old_type, new_type) == 0)
|
if (strcmp(old_type, new_type) == 0)
|
{
|
{
|
varobj_delete (tmp_var, NULL, 0);
|
varobj_delete (tmp_var, NULL, 0);
|
*type_changed = 0;
|
*type_changed = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (*type_changed)
|
if (*type_changed)
|
{
|
{
|
tmp_var->obj_name =
|
tmp_var->obj_name =
|
savestring (var->obj_name, strlen (var->obj_name));
|
savestring (var->obj_name, strlen (var->obj_name));
|
uninstall_variable (var);
|
uninstall_variable (var);
|
}
|
}
|
else
|
else
|
{
|
{
|
tmp_var->obj_name = varobj_gen_name ();
|
tmp_var->obj_name = varobj_gen_name ();
|
}
|
}
|
install_variable (tmp_var);
|
install_variable (tmp_var);
|
*var_handle = tmp_var;
|
*var_handle = tmp_var;
|
*type_changed = 1;
|
*type_changed = 1;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
*type_changed = 0;
|
*type_changed = 0;
|
}
|
}
|
|
|
return (*var->root->lang->value_of_root) (var_handle);
|
return (*var->root->lang->value_of_root) (var_handle);
|
}
|
}
|
|
|
/* What is the value_ptr for the INDEX'th child of PARENT? */
|
/* What is the value_ptr for the INDEX'th child of PARENT? */
|
static value_ptr
|
static value_ptr
|
value_of_child (parent, index)
|
value_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
value_ptr value;
|
value_ptr value;
|
|
|
value = (*parent->root->lang->value_of_child) (parent, index);
|
value = (*parent->root->lang->value_of_child) (parent, index);
|
|
|
/* If we're being lazy, fetch the real value of the variable. */
|
/* If we're being lazy, fetch the real value of the variable. */
|
if (value != NULL && VALUE_LAZY (value))
|
if (value != NULL && VALUE_LAZY (value))
|
gdb_value_fetch_lazy (value);
|
gdb_value_fetch_lazy (value);
|
|
|
return value;
|
return value;
|
}
|
}
|
|
|
/* What is the type of VAR? */
|
/* What is the type of VAR? */
|
static struct type *
|
static struct type *
|
type_of_child (var)
|
type_of_child (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
|
|
/* If the child had no evaluation errors, var->value
|
/* If the child had no evaluation errors, var->value
|
will be non-NULL and contain a valid type. */
|
will be non-NULL and contain a valid type. */
|
if (var->value != NULL)
|
if (var->value != NULL)
|
return VALUE_TYPE (var->value);
|
return VALUE_TYPE (var->value);
|
|
|
/* Otherwise, we must compute the type. */
|
/* Otherwise, we must compute the type. */
|
return (*var->root->lang->type_of_child) (var->parent, var->index);
|
return (*var->root->lang->type_of_child) (var->parent, var->index);
|
}
|
}
|
|
|
/* Is this variable editable? Use the variable's type to make
|
/* Is this variable editable? Use the variable's type to make
|
this determination. */
|
this determination. */
|
static int
|
static int
|
variable_editable (var)
|
variable_editable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return (*var->root->lang->variable_editable) (var);
|
return (*var->root->lang->variable_editable) (var);
|
}
|
}
|
|
|
/* GDB already has a command called "value_of_variable". Sigh. */
|
/* GDB already has a command called "value_of_variable". Sigh. */
|
static char *
|
static char *
|
my_value_of_variable (var)
|
my_value_of_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return (*var->root->lang->value_of_variable) (var);
|
return (*var->root->lang->value_of_variable) (var);
|
}
|
}
|
|
|
/* Is VAR something that can change? Depending on language,
|
/* Is VAR something that can change? Depending on language,
|
some variable's values never change. For example,
|
some variable's values never change. For example,
|
struct and unions never change values. */
|
struct and unions never change values. */
|
static int
|
static int
|
type_changeable (var)
|
type_changeable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
int r;
|
int r;
|
struct type *type;
|
struct type *type;
|
|
|
if (CPLUS_FAKE_CHILD (var))
|
if (CPLUS_FAKE_CHILD (var))
|
return 0;
|
return 0;
|
|
|
type = get_type (var);
|
type = get_type (var);
|
|
|
switch (TYPE_CODE (type))
|
switch (TYPE_CODE (type))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
r = 0;
|
r = 0;
|
break;
|
break;
|
|
|
default:
|
default:
|
r = 1;
|
r = 1;
|
}
|
}
|
|
|
return r;
|
return r;
|
}
|
}
|
|
|
/* C */
|
/* C */
|
static int
|
static int
|
c_number_of_children (var)
|
c_number_of_children (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
struct type *target;
|
struct type *target;
|
int children;
|
int children;
|
|
|
type = get_type (var);
|
type = get_type (var);
|
target = get_target_type (type);
|
target = get_target_type (type);
|
children = 0;
|
children = 0;
|
|
|
switch (TYPE_CODE (type))
|
switch (TYPE_CODE (type))
|
{
|
{
|
case TYPE_CODE_ARRAY:
|
case TYPE_CODE_ARRAY:
|
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (target) > 0
|
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (target) > 0
|
&& TYPE_ARRAY_UPPER_BOUND_TYPE (type) != BOUND_CANNOT_BE_DETERMINED)
|
&& TYPE_ARRAY_UPPER_BOUND_TYPE (type) != BOUND_CANNOT_BE_DETERMINED)
|
children = TYPE_LENGTH (type) / TYPE_LENGTH (target);
|
children = TYPE_LENGTH (type) / TYPE_LENGTH (target);
|
else
|
else
|
children = -1;
|
children = -1;
|
break;
|
break;
|
|
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
children = TYPE_NFIELDS (type);
|
children = TYPE_NFIELDS (type);
|
break;
|
break;
|
|
|
case TYPE_CODE_PTR:
|
case TYPE_CODE_PTR:
|
/* This is where things get compilcated. All pointers have one child.
|
/* This is where things get compilcated. All pointers have one child.
|
Except, of course, for struct and union ptr, which we automagically
|
Except, of course, for struct and union ptr, which we automagically
|
dereference for the user and function ptrs, which have no children. */
|
dereference for the user and function ptrs, which have no children. */
|
switch (TYPE_CODE (target))
|
switch (TYPE_CODE (target))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
children = TYPE_NFIELDS (target);
|
children = TYPE_NFIELDS (target);
|
break;
|
break;
|
|
|
case TYPE_CODE_FUNC:
|
case TYPE_CODE_FUNC:
|
children = 0;
|
children = 0;
|
break;
|
break;
|
|
|
default:
|
default:
|
/* Don't dereference char* or void*. */
|
/* Don't dereference char* or void*. */
|
if (TYPE_NAME (target) != NULL
|
if (TYPE_NAME (target) != NULL
|
&& (STREQ (TYPE_NAME (target), "char")
|
&& (STREQ (TYPE_NAME (target), "char")
|
|| STREQ (TYPE_NAME (target), "void")))
|
|| STREQ (TYPE_NAME (target), "void")))
|
children = 0;
|
children = 0;
|
else
|
else
|
children = 1;
|
children = 1;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
/* Other types have no children */
|
/* Other types have no children */
|
break;
|
break;
|
}
|
}
|
|
|
return children;
|
return children;
|
}
|
}
|
|
|
static char *
|
static char *
|
c_name_of_variable (parent)
|
c_name_of_variable (parent)
|
struct varobj *parent;
|
struct varobj *parent;
|
{
|
{
|
return savestring (parent->name, strlen (parent->name));
|
return savestring (parent->name, strlen (parent->name));
|
}
|
}
|
|
|
static char *
|
static char *
|
c_name_of_child (parent, index)
|
c_name_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
struct type *target;
|
struct type *target;
|
char *name;
|
char *name;
|
char *string;
|
char *string;
|
|
|
type = get_type (parent);
|
type = get_type (parent);
|
target = get_target_type (type);
|
target = get_target_type (type);
|
|
|
switch (TYPE_CODE (type))
|
switch (TYPE_CODE (type))
|
{
|
{
|
case TYPE_CODE_ARRAY:
|
case TYPE_CODE_ARRAY:
|
{
|
{
|
/* We never get here unless parent->num_children is greater than 0... */
|
/* We never get here unless parent->num_children is greater than 0... */
|
int len = 1;
|
int len = 1;
|
while ((int) pow ((double) 10, (double) len) < index)
|
while ((int) pow ((double) 10, (double) len) < index)
|
len++;
|
len++;
|
name = (char *) xmalloc (1 + len * sizeof (char));
|
name = (char *) xmalloc (1 + len * sizeof (char));
|
sprintf (name, "%d", index);
|
sprintf (name, "%d", index);
|
}
|
}
|
break;
|
break;
|
|
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
string = TYPE_FIELD_NAME (type, index);
|
string = TYPE_FIELD_NAME (type, index);
|
name = savestring (string, strlen (string));
|
name = savestring (string, strlen (string));
|
break;
|
break;
|
|
|
case TYPE_CODE_PTR:
|
case TYPE_CODE_PTR:
|
switch (TYPE_CODE (target))
|
switch (TYPE_CODE (target))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
string = TYPE_FIELD_NAME (target, index);
|
string = TYPE_FIELD_NAME (target, index);
|
name = savestring (string, strlen (string));
|
name = savestring (string, strlen (string));
|
break;
|
break;
|
|
|
default:
|
default:
|
name = (char *) xmalloc ((strlen (parent->name) + 2) * sizeof (char));
|
name = (char *) xmalloc ((strlen (parent->name) + 2) * sizeof (char));
|
sprintf (name, "*%s", parent->name);
|
sprintf (name, "*%s", parent->name);
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
/* This should not happen */
|
/* This should not happen */
|
name = xstrdup ("???");
|
name = xstrdup ("???");
|
}
|
}
|
|
|
return name;
|
return name;
|
}
|
}
|
|
|
static value_ptr
|
static value_ptr
|
c_value_of_root (var_handle)
|
c_value_of_root (var_handle)
|
struct varobj **var_handle;
|
struct varobj **var_handle;
|
{
|
{
|
value_ptr new_val;
|
value_ptr new_val;
|
struct varobj *var = *var_handle;
|
struct varobj *var = *var_handle;
|
struct frame_info *fi;
|
struct frame_info *fi;
|
int within_scope;
|
int within_scope;
|
|
|
/* Only root variables can be updated... */
|
/* Only root variables can be updated... */
|
if (var->root->rootvar != var)
|
if (var->root->rootvar != var)
|
/* Not a root var */
|
/* Not a root var */
|
return NULL;
|
return NULL;
|
|
|
|
|
/* Determine whether the variable is still around. */
|
/* Determine whether the variable is still around. */
|
if (var->root->valid_block == NULL)
|
if (var->root->valid_block == NULL)
|
within_scope = 1;
|
within_scope = 1;
|
else
|
else
|
{
|
{
|
reinit_frame_cache ();
|
reinit_frame_cache ();
|
|
|
|
|
fi = find_frame_addr_in_frame_chain (var->root->frame);
|
fi = find_frame_addr_in_frame_chain (var->root->frame);
|
|
|
within_scope = fi != NULL;
|
within_scope = fi != NULL;
|
/* FIXME: select_frame could fail */
|
/* FIXME: select_frame could fail */
|
if (within_scope)
|
if (within_scope)
|
select_frame (fi, -1);
|
select_frame (fi, -1);
|
}
|
}
|
|
|
if (within_scope)
|
if (within_scope)
|
{
|
{
|
/* We need to catch errors here, because if evaluate
|
/* We need to catch errors here, because if evaluate
|
expression fails we just want to make val->error = 1 and
|
expression fails we just want to make val->error = 1 and
|
go on */
|
go on */
|
if (gdb_evaluate_expression (var->root->exp, &new_val))
|
if (gdb_evaluate_expression (var->root->exp, &new_val))
|
{
|
{
|
if (VALUE_LAZY (new_val))
|
if (VALUE_LAZY (new_val))
|
{
|
{
|
/* We need to catch errors because if
|
/* We need to catch errors because if
|
value_fetch_lazy fails we still want to continue
|
value_fetch_lazy fails we still want to continue
|
(after making val->error = 1) */
|
(after making val->error = 1) */
|
/* FIXME: Shouldn't be using VALUE_CONTENTS? The
|
/* FIXME: Shouldn't be using VALUE_CONTENTS? The
|
comment on value_fetch_lazy() says it is only
|
comment on value_fetch_lazy() says it is only
|
called from the macro... */
|
called from the macro... */
|
if (!gdb_value_fetch_lazy (new_val))
|
if (!gdb_value_fetch_lazy (new_val))
|
var->error = 1;
|
var->error = 1;
|
else
|
else
|
var->error = 0;
|
var->error = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
var->error = 1;
|
var->error = 1;
|
|
|
release_value (new_val);
|
release_value (new_val);
|
return new_val;
|
return new_val;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
static value_ptr
|
static value_ptr
|
c_value_of_child (parent, index)
|
c_value_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
value_ptr value, temp, indval;
|
value_ptr value, temp, indval;
|
struct type *type, *target;
|
struct type *type, *target;
|
char *name;
|
char *name;
|
|
|
type = get_type (parent);
|
type = get_type (parent);
|
target = get_target_type (type);
|
target = get_target_type (type);
|
name = name_of_child (parent, index);
|
name = name_of_child (parent, index);
|
temp = parent->value;
|
temp = parent->value;
|
value = NULL;
|
value = NULL;
|
|
|
if (temp != NULL)
|
if (temp != NULL)
|
{
|
{
|
switch (TYPE_CODE (type))
|
switch (TYPE_CODE (type))
|
{
|
{
|
case TYPE_CODE_ARRAY:
|
case TYPE_CODE_ARRAY:
|
#if 0
|
#if 0
|
/* This breaks if the array lives in a (vector) register. */
|
/* This breaks if the array lives in a (vector) register. */
|
value = value_slice (temp, index, 1);
|
value = value_slice (temp, index, 1);
|
temp = value_coerce_array (value);
|
temp = value_coerce_array (value);
|
gdb_value_ind (temp, &value);
|
gdb_value_ind (temp, &value);
|
#else
|
#else
|
indval = value_from_longest (builtin_type_int, (LONGEST) index);
|
indval = value_from_longest (builtin_type_int, (LONGEST) index);
|
gdb_value_subscript (temp, indval, &value);
|
gdb_value_subscript (temp, indval, &value);
|
#endif
|
#endif
|
break;
|
break;
|
|
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
value = value_struct_elt (&temp, NULL, name, NULL, "vstructure");
|
value = value_struct_elt (&temp, NULL, name, NULL, "vstructure");
|
break;
|
break;
|
|
|
case TYPE_CODE_PTR:
|
case TYPE_CODE_PTR:
|
switch (TYPE_CODE (target))
|
switch (TYPE_CODE (target))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
value = value_struct_elt (&temp, NULL, name, NULL, "vstructure");
|
value = value_struct_elt (&temp, NULL, name, NULL, "vstructure");
|
break;
|
break;
|
|
|
default:
|
default:
|
gdb_value_ind (temp, &value);
|
gdb_value_ind (temp, &value);
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (value != NULL)
|
if (value != NULL)
|
release_value (value);
|
release_value (value);
|
|
|
return value;
|
return value;
|
}
|
}
|
|
|
static struct type *
|
static struct type *
|
c_type_of_child (parent, index)
|
c_type_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
char *name = name_of_child (parent, index);
|
char *name = name_of_child (parent, index);
|
|
|
switch (TYPE_CODE (parent->type))
|
switch (TYPE_CODE (parent->type))
|
{
|
{
|
case TYPE_CODE_ARRAY:
|
case TYPE_CODE_ARRAY:
|
type = TYPE_TARGET_TYPE (parent->type);
|
type = TYPE_TARGET_TYPE (parent->type);
|
break;
|
break;
|
|
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
type = lookup_struct_elt_type (parent->type, name, 0);
|
type = lookup_struct_elt_type (parent->type, name, 0);
|
break;
|
break;
|
|
|
case TYPE_CODE_PTR:
|
case TYPE_CODE_PTR:
|
switch (TYPE_CODE (TYPE_TARGET_TYPE (parent->type)))
|
switch (TYPE_CODE (TYPE_TARGET_TYPE (parent->type)))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
type = lookup_struct_elt_type (parent->type, name, 0);
|
type = lookup_struct_elt_type (parent->type, name, 0);
|
break;
|
break;
|
|
|
default:
|
default:
|
type = TYPE_TARGET_TYPE (parent->type);
|
type = TYPE_TARGET_TYPE (parent->type);
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
/* This should not happen as only the above types have children */
|
/* This should not happen as only the above types have children */
|
warning ("Child of parent whose type does not allow children");
|
warning ("Child of parent whose type does not allow children");
|
/* FIXME: Can we still go on? */
|
/* FIXME: Can we still go on? */
|
type = NULL;
|
type = NULL;
|
break;
|
break;
|
}
|
}
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
static int
|
static int
|
c_variable_editable (var)
|
c_variable_editable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
switch (TYPE_CODE (get_type (var)))
|
switch (TYPE_CODE (get_type (var)))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_ARRAY:
|
case TYPE_CODE_ARRAY:
|
case TYPE_CODE_FUNC:
|
case TYPE_CODE_FUNC:
|
case TYPE_CODE_MEMBER:
|
case TYPE_CODE_MEMBER:
|
case TYPE_CODE_METHOD:
|
case TYPE_CODE_METHOD:
|
return 0;
|
return 0;
|
break;
|
break;
|
|
|
default:
|
default:
|
return 1;
|
return 1;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
static char *
|
static char *
|
c_value_of_variable (var)
|
c_value_of_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
value_ptr val;
|
value_ptr val;
|
|
|
if (var->value != NULL)
|
if (var->value != NULL)
|
val = var->value;
|
val = var->value;
|
else
|
else
|
{
|
{
|
/* This can happen if we attempt to get the value of a struct
|
/* This can happen if we attempt to get the value of a struct
|
member when the parent is an invalid pointer. */
|
member when the parent is an invalid pointer. */
|
return xstrdup ("???");
|
return xstrdup ("???");
|
}
|
}
|
|
|
/* BOGUS: if val_print sees a struct/class, it will print out its
|
/* BOGUS: if val_print sees a struct/class, it will print out its
|
children instead of "{...}" */
|
children instead of "{...}" */
|
type = get_type (var);
|
type = get_type (var);
|
switch (TYPE_CODE (type))
|
switch (TYPE_CODE (type))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
return xstrdup ("{...}");
|
return xstrdup ("{...}");
|
/* break; */
|
/* break; */
|
|
|
case TYPE_CODE_ARRAY:
|
case TYPE_CODE_ARRAY:
|
{
|
{
|
char number[18];
|
char number[18];
|
sprintf (number, "[%d]", var->num_children);
|
sprintf (number, "[%d]", var->num_children);
|
return xstrdup (number);
|
return xstrdup (number);
|
}
|
}
|
/* break; */
|
/* break; */
|
|
|
default:
|
default:
|
{
|
{
|
long dummy;
|
long dummy;
|
struct ui_file *stb = mem_fileopen ();
|
struct ui_file *stb = mem_fileopen ();
|
struct cleanup *old_chain = make_cleanup_ui_file_delete (stb);
|
struct cleanup *old_chain = make_cleanup_ui_file_delete (stb);
|
char *thevalue;
|
char *thevalue;
|
|
|
if (VALUE_LAZY (val))
|
if (VALUE_LAZY (val))
|
gdb_value_fetch_lazy (val);
|
gdb_value_fetch_lazy (val);
|
val_print (VALUE_TYPE (val), VALUE_CONTENTS_RAW (val), 0,
|
val_print (VALUE_TYPE (val), VALUE_CONTENTS_RAW (val), 0,
|
VALUE_ADDRESS (val),
|
VALUE_ADDRESS (val),
|
stb, format_code[(int) var->format], 1, 0, 0);
|
stb, format_code[(int) var->format], 1, 0, 0);
|
thevalue = ui_file_xstrdup (stb, &dummy);
|
thevalue = ui_file_xstrdup (stb, &dummy);
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
return thevalue;
|
return thevalue;
|
}
|
}
|
/* break; */
|
/* break; */
|
}
|
}
|
}
|
}
|
|
|
|
|
/* C++ */
|
/* C++ */
|
|
|
static int
|
static int
|
cplus_number_of_children (var)
|
cplus_number_of_children (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
int children, dont_know;
|
int children, dont_know;
|
|
|
dont_know = 1;
|
dont_know = 1;
|
children = 0;
|
children = 0;
|
|
|
if (!CPLUS_FAKE_CHILD (var))
|
if (!CPLUS_FAKE_CHILD (var))
|
{
|
{
|
type = get_type_deref (var);
|
type = get_type_deref (var);
|
|
|
if (((TYPE_CODE (type)) == TYPE_CODE_STRUCT) ||
|
if (((TYPE_CODE (type)) == TYPE_CODE_STRUCT) ||
|
((TYPE_CODE (type)) == TYPE_CODE_UNION))
|
((TYPE_CODE (type)) == TYPE_CODE_UNION))
|
{
|
{
|
int kids[3];
|
int kids[3];
|
|
|
cplus_class_num_children (type, kids);
|
cplus_class_num_children (type, kids);
|
if (kids[v_public] != 0)
|
if (kids[v_public] != 0)
|
children++;
|
children++;
|
if (kids[v_private] != 0)
|
if (kids[v_private] != 0)
|
children++;
|
children++;
|
if (kids[v_protected] != 0)
|
if (kids[v_protected] != 0)
|
children++;
|
children++;
|
|
|
/* Add any baseclasses */
|
/* Add any baseclasses */
|
children += TYPE_N_BASECLASSES (type);
|
children += TYPE_N_BASECLASSES (type);
|
dont_know = 0;
|
dont_know = 0;
|
|
|
/* FIXME: save children in var */
|
/* FIXME: save children in var */
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
int kids[3];
|
int kids[3];
|
|
|
type = get_type_deref (var->parent);
|
type = get_type_deref (var->parent);
|
|
|
cplus_class_num_children (type, kids);
|
cplus_class_num_children (type, kids);
|
if (STREQ (var->name, "public"))
|
if (STREQ (var->name, "public"))
|
children = kids[v_public];
|
children = kids[v_public];
|
else if (STREQ (var->name, "private"))
|
else if (STREQ (var->name, "private"))
|
children = kids[v_private];
|
children = kids[v_private];
|
else
|
else
|
children = kids[v_protected];
|
children = kids[v_protected];
|
dont_know = 0;
|
dont_know = 0;
|
}
|
}
|
|
|
if (dont_know)
|
if (dont_know)
|
children = c_number_of_children (var);
|
children = c_number_of_children (var);
|
|
|
return children;
|
return children;
|
}
|
}
|
|
|
/* Compute # of public, private, and protected variables in this class.
|
/* Compute # of public, private, and protected variables in this class.
|
That means we need to descend into all baseclasses and find out
|
That means we need to descend into all baseclasses and find out
|
how many are there, too. */
|
how many are there, too. */
|
static void
|
static void
|
cplus_class_num_children (type, children)
|
cplus_class_num_children (type, children)
|
struct type *type;
|
struct type *type;
|
int children[3];
|
int children[3];
|
{
|
{
|
int i;
|
int i;
|
|
|
children[v_public] = 0;
|
children[v_public] = 0;
|
children[v_private] = 0;
|
children[v_private] = 0;
|
children[v_protected] = 0;
|
children[v_protected] = 0;
|
|
|
for (i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++)
|
for (i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++)
|
{
|
{
|
/* If we have a virtual table pointer, omit it. */
|
/* If we have a virtual table pointer, omit it. */
|
if (TYPE_VPTR_BASETYPE (type) == type
|
if (TYPE_VPTR_BASETYPE (type) == type
|
&& TYPE_VPTR_FIELDNO (type) == i)
|
&& TYPE_VPTR_FIELDNO (type) == i)
|
continue;
|
continue;
|
|
|
if (TYPE_FIELD_PROTECTED (type, i))
|
if (TYPE_FIELD_PROTECTED (type, i))
|
children[v_protected]++;
|
children[v_protected]++;
|
else if (TYPE_FIELD_PRIVATE (type, i))
|
else if (TYPE_FIELD_PRIVATE (type, i))
|
children[v_private]++;
|
children[v_private]++;
|
else
|
else
|
children[v_public]++;
|
children[v_public]++;
|
}
|
}
|
}
|
}
|
|
|
static char *
|
static char *
|
cplus_name_of_variable (parent)
|
cplus_name_of_variable (parent)
|
struct varobj *parent;
|
struct varobj *parent;
|
{
|
{
|
return c_name_of_variable (parent);
|
return c_name_of_variable (parent);
|
}
|
}
|
|
|
static char *
|
static char *
|
cplus_name_of_child (parent, index)
|
cplus_name_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
char *name;
|
char *name;
|
struct type *type;
|
struct type *type;
|
int children[3];
|
int children[3];
|
|
|
if (CPLUS_FAKE_CHILD (parent))
|
if (CPLUS_FAKE_CHILD (parent))
|
{
|
{
|
/* Looking for children of public, private, or protected. */
|
/* Looking for children of public, private, or protected. */
|
type = get_type_deref (parent->parent);
|
type = get_type_deref (parent->parent);
|
}
|
}
|
else
|
else
|
type = get_type_deref (parent);
|
type = get_type_deref (parent);
|
|
|
name = NULL;
|
name = NULL;
|
switch (TYPE_CODE (type))
|
switch (TYPE_CODE (type))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
cplus_class_num_children (type, children);
|
cplus_class_num_children (type, children);
|
|
|
if (CPLUS_FAKE_CHILD (parent))
|
if (CPLUS_FAKE_CHILD (parent))
|
{
|
{
|
/* FIXME: This assumes that type orders
|
/* FIXME: This assumes that type orders
|
inherited, public, private, protected */
|
inherited, public, private, protected */
|
int i = index + TYPE_N_BASECLASSES (type);
|
int i = index + TYPE_N_BASECLASSES (type);
|
if (STREQ (parent->name, "private") || STREQ (parent->name, "protected"))
|
if (STREQ (parent->name, "private") || STREQ (parent->name, "protected"))
|
i += children[v_public];
|
i += children[v_public];
|
if (STREQ (parent->name, "protected"))
|
if (STREQ (parent->name, "protected"))
|
i += children[v_private];
|
i += children[v_private];
|
|
|
name = TYPE_FIELD_NAME (type, i);
|
name = TYPE_FIELD_NAME (type, i);
|
}
|
}
|
else if (index < TYPE_N_BASECLASSES (type))
|
else if (index < TYPE_N_BASECLASSES (type))
|
name = TYPE_FIELD_NAME (type, index);
|
name = TYPE_FIELD_NAME (type, index);
|
else
|
else
|
{
|
{
|
/* Everything beyond the baseclasses can
|
/* Everything beyond the baseclasses can
|
only be "public", "private", or "protected" */
|
only be "public", "private", or "protected" */
|
index -= TYPE_N_BASECLASSES (type);
|
index -= TYPE_N_BASECLASSES (type);
|
switch (index)
|
switch (index)
|
{
|
{
|
case 0:
|
case 0:
|
if (children[v_public] != 0)
|
if (children[v_public] != 0)
|
{
|
{
|
name = "public";
|
name = "public";
|
break;
|
break;
|
}
|
}
|
case 1:
|
case 1:
|
if (children[v_private] != 0)
|
if (children[v_private] != 0)
|
{
|
{
|
name = "private";
|
name = "private";
|
break;
|
break;
|
}
|
}
|
case 2:
|
case 2:
|
if (children[v_protected] != 0)
|
if (children[v_protected] != 0)
|
{
|
{
|
name = "protected";
|
name = "protected";
|
break;
|
break;
|
}
|
}
|
default:
|
default:
|
/* error! */
|
/* error! */
|
break;
|
break;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
if (name == NULL)
|
if (name == NULL)
|
return c_name_of_child (parent, index);
|
return c_name_of_child (parent, index);
|
else
|
else
|
{
|
{
|
if (name != NULL)
|
if (name != NULL)
|
name = savestring (name, strlen (name));
|
name = savestring (name, strlen (name));
|
}
|
}
|
|
|
return name;
|
return name;
|
}
|
}
|
|
|
static value_ptr
|
static value_ptr
|
cplus_value_of_root (var_handle)
|
cplus_value_of_root (var_handle)
|
struct varobj **var_handle;
|
struct varobj **var_handle;
|
{
|
{
|
return c_value_of_root (var_handle);
|
return c_value_of_root (var_handle);
|
}
|
}
|
|
|
static value_ptr
|
static value_ptr
|
cplus_value_of_child (parent, index)
|
cplus_value_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
struct type *type;
|
struct type *type;
|
value_ptr value;
|
value_ptr value;
|
char *name;
|
char *name;
|
|
|
if (CPLUS_FAKE_CHILD (parent))
|
if (CPLUS_FAKE_CHILD (parent))
|
type = get_type_deref (parent->parent);
|
type = get_type_deref (parent->parent);
|
else
|
else
|
type = get_type_deref (parent);
|
type = get_type_deref (parent);
|
|
|
value = NULL;
|
value = NULL;
|
name = name_of_child (parent, index);
|
name = name_of_child (parent, index);
|
|
|
if (((TYPE_CODE (type)) == TYPE_CODE_STRUCT) ||
|
if (((TYPE_CODE (type)) == TYPE_CODE_STRUCT) ||
|
((TYPE_CODE (type)) == TYPE_CODE_UNION))
|
((TYPE_CODE (type)) == TYPE_CODE_UNION))
|
{
|
{
|
if (CPLUS_FAKE_CHILD (parent))
|
if (CPLUS_FAKE_CHILD (parent))
|
{
|
{
|
value_ptr temp = parent->parent->value;
|
value_ptr temp = parent->parent->value;
|
value = value_struct_elt (&temp, NULL, name,
|
value = value_struct_elt (&temp, NULL, name,
|
NULL, "cplus_structure");
|
NULL, "cplus_structure");
|
release_value (value);
|
release_value (value);
|
}
|
}
|
else if (index >= TYPE_N_BASECLASSES (type))
|
else if (index >= TYPE_N_BASECLASSES (type))
|
{
|
{
|
/* public, private, or protected */
|
/* public, private, or protected */
|
return NULL;
|
return NULL;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Baseclass */
|
/* Baseclass */
|
if (parent->value != NULL)
|
if (parent->value != NULL)
|
{
|
{
|
value_ptr temp;
|
value_ptr temp;
|
|
|
if (TYPE_CODE (VALUE_TYPE (parent->value)) == TYPE_CODE_PTR
|
if (TYPE_CODE (VALUE_TYPE (parent->value)) == TYPE_CODE_PTR
|
|| TYPE_CODE (VALUE_TYPE (parent->value)) == TYPE_CODE_REF)
|
|| TYPE_CODE (VALUE_TYPE (parent->value)) == TYPE_CODE_REF)
|
gdb_value_ind (parent->value, &temp);
|
gdb_value_ind (parent->value, &temp);
|
else
|
else
|
temp = parent->value;
|
temp = parent->value;
|
|
|
value = value_cast (TYPE_FIELD_TYPE (type, index), temp);
|
value = value_cast (TYPE_FIELD_TYPE (type, index), temp);
|
release_value (value);
|
release_value (value);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (value == NULL)
|
if (value == NULL)
|
return c_value_of_child (parent, index);
|
return c_value_of_child (parent, index);
|
|
|
return value;
|
return value;
|
}
|
}
|
|
|
static struct type *
|
static struct type *
|
cplus_type_of_child (parent, index)
|
cplus_type_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
struct type *type, *t;
|
struct type *type, *t;
|
|
|
t = get_type_deref (parent);
|
t = get_type_deref (parent);
|
type = NULL;
|
type = NULL;
|
switch (TYPE_CODE (t))
|
switch (TYPE_CODE (t))
|
{
|
{
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_STRUCT:
|
case TYPE_CODE_UNION:
|
case TYPE_CODE_UNION:
|
if (index >= TYPE_N_BASECLASSES (t))
|
if (index >= TYPE_N_BASECLASSES (t))
|
{
|
{
|
/* special */
|
/* special */
|
return NULL;
|
return NULL;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Baseclass */
|
/* Baseclass */
|
type = TYPE_FIELD_TYPE (t, index);
|
type = TYPE_FIELD_TYPE (t, index);
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
if (type == NULL)
|
if (type == NULL)
|
return c_type_of_child (parent, index);
|
return c_type_of_child (parent, index);
|
|
|
return type;
|
return type;
|
}
|
}
|
|
|
static int
|
static int
|
cplus_variable_editable (var)
|
cplus_variable_editable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
if (CPLUS_FAKE_CHILD (var))
|
if (CPLUS_FAKE_CHILD (var))
|
return 0;
|
return 0;
|
|
|
return c_variable_editable (var);
|
return c_variable_editable (var);
|
}
|
}
|
|
|
static char *
|
static char *
|
cplus_value_of_variable (var)
|
cplus_value_of_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
|
|
/* If we have one of our special types, don't print out
|
/* If we have one of our special types, don't print out
|
any value. */
|
any value. */
|
if (CPLUS_FAKE_CHILD (var))
|
if (CPLUS_FAKE_CHILD (var))
|
return xstrdup ("");
|
return xstrdup ("");
|
|
|
return c_value_of_variable (var);
|
return c_value_of_variable (var);
|
}
|
}
|
|
|
/* Java */
|
/* Java */
|
|
|
static int
|
static int
|
java_number_of_children (var)
|
java_number_of_children (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return cplus_number_of_children (var);
|
return cplus_number_of_children (var);
|
}
|
}
|
|
|
static char *
|
static char *
|
java_name_of_variable (parent)
|
java_name_of_variable (parent)
|
struct varobj *parent;
|
struct varobj *parent;
|
{
|
{
|
char *p, *name;
|
char *p, *name;
|
|
|
name = cplus_name_of_variable (parent);
|
name = cplus_name_of_variable (parent);
|
/* If the name has "-" in it, it is because we
|
/* If the name has "-" in it, it is because we
|
needed to escape periods in the name... */
|
needed to escape periods in the name... */
|
p = name;
|
p = name;
|
|
|
while (*p != '\000')
|
while (*p != '\000')
|
{
|
{
|
if (*p == '-')
|
if (*p == '-')
|
*p = '.';
|
*p = '.';
|
p++;
|
p++;
|
}
|
}
|
|
|
return name;
|
return name;
|
}
|
}
|
|
|
static char *
|
static char *
|
java_name_of_child (parent, index)
|
java_name_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
char *name, *p;
|
char *name, *p;
|
|
|
name = cplus_name_of_child (parent, index);
|
name = cplus_name_of_child (parent, index);
|
/* Escape any periods in the name... */
|
/* Escape any periods in the name... */
|
p = name;
|
p = name;
|
|
|
while (*p != '\000')
|
while (*p != '\000')
|
{
|
{
|
if (*p == '.')
|
if (*p == '.')
|
*p = '-';
|
*p = '-';
|
p++;
|
p++;
|
}
|
}
|
|
|
return name;
|
return name;
|
}
|
}
|
|
|
static value_ptr
|
static value_ptr
|
java_value_of_root (var_handle)
|
java_value_of_root (var_handle)
|
struct varobj **var_handle;
|
struct varobj **var_handle;
|
{
|
{
|
return cplus_value_of_root (var_handle);
|
return cplus_value_of_root (var_handle);
|
}
|
}
|
|
|
static value_ptr
|
static value_ptr
|
java_value_of_child (parent, index)
|
java_value_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
return cplus_value_of_child (parent, index);
|
return cplus_value_of_child (parent, index);
|
}
|
}
|
|
|
static struct type *
|
static struct type *
|
java_type_of_child (parent, index)
|
java_type_of_child (parent, index)
|
struct varobj *parent;
|
struct varobj *parent;
|
int index;
|
int index;
|
{
|
{
|
return cplus_type_of_child (parent, index);
|
return cplus_type_of_child (parent, index);
|
}
|
}
|
|
|
static int
|
static int
|
java_variable_editable (var)
|
java_variable_editable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return cplus_variable_editable (var);
|
return cplus_variable_editable (var);
|
}
|
}
|
|
|
static char *
|
static char *
|
java_value_of_variable (var)
|
java_value_of_variable (var)
|
struct varobj *var;
|
struct varobj *var;
|
{
|
{
|
return cplus_value_of_variable (var);
|
return cplus_value_of_variable (var);
|
}
|
}
|
|
|
extern void _initialize_varobj (void);
|
extern void _initialize_varobj (void);
|
void
|
void
|
_initialize_varobj (void)
|
_initialize_varobj (void)
|
{
|
{
|
int sizeof_table = sizeof (struct vlist *) * VAROBJ_TABLE_SIZE;
|
int sizeof_table = sizeof (struct vlist *) * VAROBJ_TABLE_SIZE;
|
|
|
varobj_table = xmalloc (sizeof_table);
|
varobj_table = xmalloc (sizeof_table);
|
memset (varobj_table, 0, sizeof_table);
|
memset (varobj_table, 0, sizeof_table);
|
|
|
add_show_from_set (
|
add_show_from_set (
|
add_set_cmd ("debugvarobj", class_maintenance, var_zinteger,
|
add_set_cmd ("debugvarobj", class_maintenance, var_zinteger,
|
(char *) &varobjdebug,
|
(char *) &varobjdebug,
|
"Set varobj debugging.\n\
|
"Set varobj debugging.\n\
|
When non-zero, varobj debugging is enabled.", &setlist),
|
When non-zero, varobj debugging is enabled.", &setlist),
|
&showlist);
|
&showlist);
|
}
|
}
|
|
|
