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valops.c (value_of_local): New function.

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(value_of_this): Use it.
value.h (value_of_local): Declared.
This commit is contained in:
Adam Fedor
2002-10-14 02:02:42 +00:00
parent 53c551b7ca
commit d069f99d46
3 changed files with 32 additions and 12 deletions
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36
gdb/valops.c
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@@ -3306,18 +3306,17 @@ value_full_object (struct value *argp, struct type *rtype, int xfull, int xtop,
/* C++: return the value of the class instance variable, if one exists.
/* Return the value of the local variable, if one exists.
Flag COMPLAIN signals an error if the request is made in an
inappropriate context. */
struct value *
value_of_this (int complain)
value_of_local (const char *name, int complain)
{
struct symbol *func, *sym;
struct block *b;
int i;
static const char funny_this[] = "this";
struct value *this;
struct value * ret;
if (selected_frame == 0)
{
@@ -3331,7 +3330,7 @@ value_of_this (int complain)
if (!func)
{
if (complain)
error ("no `this' in nameless context");
error ("no %s in nameless context", name);
else
return 0;
}
@@ -3341,26 +3340,39 @@ value_of_this (int complain)
if (i <= 0)
{
if (complain)
error ("no args, no `this'");
error ("no args, no %s", name);
else
return 0;
}
/* Calling lookup_block_symbol is necessary to get the LOC_REGISTER
symbol instead of the LOC_ARG one (if both exist). */
sym = lookup_block_symbol (b, funny_this, NULL, VAR_NAMESPACE);
sym = lookup_block_symbol (b, name, NULL, VAR_NAMESPACE);
if (sym == NULL)
{
if (complain)
error ("current stack frame not in method");
error ("current stack frame does not contain a variable named \"%s\"", name);
else
return NULL;
}
this = read_var_value (sym, selected_frame);
if (this == 0 && complain)
error ("`this' argument at unknown address");
return this;
ret = read_var_value (sym, selected_frame);
if (ret == 0 && complain)
error ("%s argument unreadable", name);
return ret;
}
/* C++/Objective-C: return the value of the class instance variable,
if one exists. Flag COMPLAIN signals an error if the request is
made in an inappropriate context. */
struct value *
value_of_this (int complain)
{
if (current_language->la_language == language_objc)
return value_of_local ("self", complain);
else
return value_of_local ("this", complain);
}
/* Create a slice (sub-string, sub-array) of ARRAY, that is LENGTH elements