/* See cli-setshow.h. */
int
-parse_cli_boolean_value (const char *arg)
+parse_cli_boolean_value (const char **arg)
{
- int length;
-
- if (!arg || !*arg)
- return 1;
+ const char *p = skip_to_space (*arg);
+ size_t length = p - *arg;
- length = strlen (arg);
+ /* Note that "o" is ambiguous. */
- while (arg[length - 1] == ' ' || arg[length - 1] == '\t')
- length--;
+ if ((length == 2 && strncmp (*arg, "on", length) == 0)
+ || strncmp (*arg, "1", length) == 0
+ || strncmp (*arg, "yes", length) == 0
+ || strncmp (*arg, "enable", length) == 0)
+ {
+ *arg = skip_spaces (*arg + length);
+ return 1;
+ }
+ else if ((length >= 2 && strncmp (*arg, "off", length) == 0)
+ || strncmp (*arg, "0", length) == 0
+ || strncmp (*arg, "no", length) == 0
+ || strncmp (*arg, "disable", length) == 0)
+ {
+ *arg = skip_spaces (*arg + length);
+ return 0;
+ }
+ else
+ return -1;
+}
- /* Note that "o" is ambiguous. */
+/* See cli-setshow.h. */
- if ((length == 2 && strncmp (arg, "on", length) == 0)
- || strncmp (arg, "1", length) == 0
- || strncmp (arg, "yes", length) == 0
- || strncmp (arg, "enable", length) == 0)
+int
+parse_cli_boolean_value (const char *arg)
+{
+ if (!arg || !*arg)
return 1;
- else if ((length >= 2 && strncmp (arg, "off", length) == 0)
- || strncmp (arg, "0", length) == 0
- || strncmp (arg, "no", length) == 0
- || strncmp (arg, "disable", length) == 0)
- return 0;
- else
+
+ int b = parse_cli_boolean_value (&arg);
+ if (b >= 0 && *arg != '\0')
return -1;
+
+ return b;
}
+
\f
void
deprecated_show_value_hack (struct ui_file *ignore_file,
/* Returns true if ARG is "unlimited". */
-static int
-is_unlimited_literal (const char *arg)
+static bool
+is_unlimited_literal (const char **arg)
{
- arg = skip_spaces (arg);
+ *arg = skip_spaces (*arg);
- const char *p = skip_to_space (arg);
+ const char *p = skip_to_space (*arg);
- size_t len = p - arg;
+ size_t len = p - *arg;
- if (len > 0 && strncmp ("unlimited", arg, len) == 0)
- return true;
+ if (len > 0 && strncmp ("unlimited", *arg, len) == 0)
+ {
+ *arg += len;
+ return true;
+ }
return false;
}
+/* See cli-setshow.h. */
+
+unsigned int
+parse_cli_var_uinteger (var_types var_type, const char **arg,
+ bool expression)
+{
+ LONGEST val;
+
+ if (*arg == nullptr)
+ {
+ if (var_type == var_uinteger)
+ error_no_arg (_("integer to set it to, or \"unlimited\"."));
+ else
+ error_no_arg (_("integer to set it to."));
+ }
+
+ if (var_type == var_uinteger && is_unlimited_literal (arg))
+ val = 0;
+ else if (expression)
+ val = parse_and_eval_long (*arg);
+ else
+ val = get_ulongest (arg);
+
+ if (var_type == var_uinteger && val == 0)
+ val = UINT_MAX;
+ else if (val < 0
+ /* For var_uinteger, don't let the user set the value
+ to UINT_MAX directly, as that exposes an
+ implementation detail to the user interface. */
+ || (var_type == var_uinteger && val >= UINT_MAX)
+ || (var_type == var_zuinteger && val > UINT_MAX))
+ error (_("integer %s out of range"), plongest (val));
+
+ return val;
+}
+
+/* See cli-setshow.h. */
+
+int
+parse_cli_var_zuinteger_unlimited (const char **arg, bool expression)
+{
+ LONGEST val;
+
+ if (*arg == nullptr)
+ error_no_arg (_("integer to set it to, or \"unlimited\"."));
+
+ if (is_unlimited_literal (arg))
+ val = -1;
+ else if (expression)
+ val = parse_and_eval_long (*arg);
+ else
+ val = get_ulongest (arg);
+
+ if (val > INT_MAX)
+ error (_("integer %s out of range"), plongest (val));
+ else if (val < -1)
+ error (_("only -1 is allowed to set as unlimited"));
+
+ return val;
+}
+
+/* See cli-setshow.h. */
+
+const char *
+parse_cli_var_enum (const char **args, const char *const *enums)
+{
+ /* If no argument was supplied, print an informative error
+ message. */
+ if (args == NULL || *args == NULL || **args == '\0')
+ {
+ std::string msg;
+
+ for (size_t i = 0; enums[i]; i++)
+ {
+ if (i != 0)
+ msg += ", ";
+ msg += enums[i];
+ }
+ error (_("Requires an argument. Valid arguments are %s."),
+ msg.c_str ());
+ }
+
+ const char *p = skip_to_space (*args);
+ size_t len = p - *args;
+
+ int nmatches = 0;
+ const char *match = NULL;
+ for (size_t i = 0; enums[i]; i++)
+ if (strncmp (*args, enums[i], len) == 0)
+ {
+ if (enums[i][len] == '\0')
+ {
+ match = enums[i];
+ nmatches = 1;
+ break; /* Exact match. */
+ }
+ else
+ {
+ match = enums[i];
+ nmatches++;
+ }
+ }
+
+ if (nmatches == 0)
+ error (_("Undefined item: \"%.*s\"."), (int) len, *args);
+
+ if (nmatches > 1)
+ error (_("Ambiguous item \"%.*s\"."), (int) len, *args);
+
+ *args += len;
+ return match;
+}
/* Do a "set" command. ARG is NULL if no argument, or the
text of the argument, and FROM_TTY is nonzero if this command is
case var_uinteger:
case var_zuinteger:
{
- LONGEST val;
-
- if (arg == NULL)
- {
- if (c->var_type == var_uinteger)
- error_no_arg (_("integer to set it to, or \"unlimited\"."));
- else
- error_no_arg (_("integer to set it to."));
- }
-
- if (c->var_type == var_uinteger && is_unlimited_literal (arg))
- val = 0;
- else
- val = parse_and_eval_long (arg);
-
- if (c->var_type == var_uinteger && val == 0)
- val = UINT_MAX;
- else if (val < 0
- /* For var_uinteger, don't let the user set the value
- to UINT_MAX directly, as that exposes an
- implementation detail to the user interface. */
- || (c->var_type == var_uinteger && val >= UINT_MAX)
- || (c->var_type == var_zuinteger && val > UINT_MAX))
- error (_("integer %s out of range"), plongest (val));
+ unsigned int val = parse_cli_var_uinteger (c->var_type, &arg, true);
if (*(unsigned int *) c->var != val)
{
error_no_arg (_("integer to set it to."));
}
- if (c->var_type == var_integer && is_unlimited_literal (arg))
+ if (c->var_type == var_integer && is_unlimited_literal (&arg))
val = 0;
else
val = parse_and_eval_long (arg);
}
case var_enum:
{
- int i;
- int len;
- int nmatches;
- const char *match = NULL;
- const char *p;
-
- /* If no argument was supplied, print an informative error
- message. */
- if (arg == NULL)
- {
- std::string msg;
-
- for (i = 0; c->enums[i]; i++)
- {
- if (i != 0)
- msg += ", ";
- msg += c->enums[i];
- }
- error (_("Requires an argument. Valid arguments are %s."),
- msg.c_str ());
- }
-
- p = strchr (arg, ' ');
+ const char *end_arg = arg;
+ const char *match = parse_cli_var_enum (&end_arg, c->enums);
- if (p)
- len = p - arg;
- else
- len = strlen (arg);
-
- nmatches = 0;
- for (i = 0; c->enums[i]; i++)
- if (strncmp (arg, c->enums[i], len) == 0)
- {
- if (c->enums[i][len] == '\0')
- {
- match = c->enums[i];
- nmatches = 1;
- break; /* Exact match. */
- }
- else
- {
- match = c->enums[i];
- nmatches++;
- }
- }
-
- if (nmatches <= 0)
- error (_("Undefined item: \"%s\"."), arg);
-
- if (nmatches > 1)
- error (_("Ambiguous item \"%s\"."), arg);
-
- const char *after = skip_spaces (arg + len);
+ int len = end_arg - arg;
+ const char *after = skip_spaces (end_arg);
if (*after != '\0')
error (_("Junk after item \"%.*s\": %s"), len, arg, after);
break;
case var_zuinteger_unlimited:
{
- LONGEST val;
-
- if (arg == NULL)
- error_no_arg (_("integer to set it to, or \"unlimited\"."));
-
- if (is_unlimited_literal (arg))
- val = -1;
- else
- val = parse_and_eval_long (arg);
-
- if (val > INT_MAX)
- error (_("integer %s out of range"), plongest (val));
- else if (val < -1)
- error (_("only -1 is allowed to set as unlimited"));
+ int val = parse_cli_var_zuinteger_unlimited (&arg, true);
if (*(int *) c->var != val)
{
projects / deliverable / binutils-gdb.git / blobdiff