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Use std::string, std::vector in rust-lang.c

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This patch changes some spots in rust-lang.c to use std::string or
std::vector, removing some cleanups.

2016-09-23  Tom Tromey  <tom@tromey.com>

	* rust-lang.c: Include <string> and <vector>.
	(rust_evaluate_funcall): Use std::vector, std::string.
	(rust_evaluate_subexp): Use std::string.
	(rust_lookup_symbol_nonlocal): Use std::string.
This commit is contained in:
Tom Tromey 2016-09-22 09:51:20 -06:00
parent 05d49c372d
commit ab8b80a885
2 changed files with 20 additions and 22 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2016-09-23 Tom Tromey <tom@tromey.com>
* rust-lang.c: Include <string> and <vector>.
(rust_evaluate_funcall): Use std::vector, std::string.
(rust_evaluate_subexp): Use std::string.
(rust_lookup_symbol_nonlocal): Use std::string.
2016-09-23 Tom Tromey <tom@tromey.com>
* cp-namespace.c: Include <string>.

35
gdb/rust-lang.c
View File

@ -32,6 +32,8 @@
#include "rust-lang.h"
#include "valprint.h"
#include "varobj.h"
#include <string>
#include <vector>
extern initialize_file_ftype _initialize_rust_language;
@ -1154,10 +1156,7 @@ rust_evaluate_funcall (struct expression *exp, int *pos, enum noside noside)
int i;
int num_args = exp->elts[*pos + 1].longconst;
const char *method;
char *name;
struct value *function, *result, *arg0;
struct value **args;
struct cleanup *cleanup;
struct type *type, *fn_type;
const struct block *block;
struct block_symbol sym;
@ -1183,8 +1182,7 @@ rust_evaluate_funcall (struct expression *exp, int *pos, enum noside noside)
return arg0;
}
args = XNEWVEC (struct value *, num_args + 1);
cleanup = make_cleanup (xfree, args);
std::vector<struct value *> args (num_args + 1);
args[0] = arg0;
/* We don't yet implement real Deref semantics. */
@ -1200,17 +1198,16 @@ rust_evaluate_funcall (struct expression *exp, int *pos, enum noside noside)
if (TYPE_TAG_NAME (type) == NULL)
error (_("Method call on nameless type"));
name = concat (TYPE_TAG_NAME (type), "::", method, (char *) NULL);
make_cleanup (xfree, name);
std::string name = std::string (TYPE_TAG_NAME (type)) + "::" + method;
block = get_selected_block (0);
sym = lookup_symbol (name, block, VAR_DOMAIN, NULL);
sym = lookup_symbol (name.c_str (), block, VAR_DOMAIN, NULL);
if (sym.symbol == NULL)
error (_("Could not find function named '%s'"), name);
error (_("Could not find function named '%s'"), name.c_str ());
fn_type = SYMBOL_TYPE (sym.symbol);
if (TYPE_NFIELDS (fn_type) == 0)
error (_("Function '%s' takes no arguments"), name);
error (_("Function '%s' takes no arguments"), name.c_str ());
if (TYPE_CODE (TYPE_FIELD_TYPE (fn_type, 0)) == TYPE_CODE_PTR)
args[0] = value_addr (args[0]);
@ -1223,8 +1220,7 @@ rust_evaluate_funcall (struct expression *exp, int *pos, enum noside noside)
if (noside == EVAL_AVOID_SIDE_EFFECTS)
result = value_zero (TYPE_TARGET_TYPE (fn_type), not_lval);
else
result = call_function_by_hand (function, num_args + 1, args);
do_cleanups (cleanup);
result = call_function_by_hand (function, num_args + 1, args.data ());
return result;
}
@ -1601,14 +1597,11 @@ rust_evaluate_subexp (struct type *expect_type, struct expression *exp,
{
CORE_ADDR addr;
int i;
struct value **eltvec = XNEWVEC (struct value *, copies);
struct cleanup *cleanup = make_cleanup (xfree, eltvec);
std::vector<struct value *> eltvec (copies);
for (i = 0; i < copies; ++i)
eltvec[i] = elt;
result = value_array (0, copies - 1, eltvec);
do_cleanups (cleanup);
result = value_array (0, copies - 1, eltvec.data ());
}
else
{
@ -2036,14 +2029,12 @@ rust_lookup_symbol_nonlocal (const struct language_defn *langdef,
if (scope[0] != '\0')
{
char *scopedname = concat (scope, "::", name, (char *) NULL);
struct cleanup *cleanup = make_cleanup (xfree, scopedname);
std::string scopedname = std::string (scope) + "::" + name;
result = lookup_symbol_in_static_block (scopedname, block,
result = lookup_symbol_in_static_block (scopedname.c_str (), block,
domain);
if (result.symbol == NULL)
result = lookup_global_symbol (scopedname, block, domain);
do_cleanups (cleanup);
result = lookup_global_symbol (scopedname.c_str (), block, domain);
}
}
return result;