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This commit is contained in:
Victor Zverovich
2017-11-16 06:55:49 -08:00
parent f2b52bba05
commit 594bd8feba
2 changed files with 63 additions and 50 deletions
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41
include/fmt/format.h
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@@ -1740,18 +1740,23 @@ constexpr void handle_integral_type_spec(char c, Handler &&handler) {
}
}
struct int_type_checker {
template <typename ErrorHandler>
class int_type_checker {
public:
constexpr int_type_checker(ErrorHandler &eh) : eh_(eh) {}
constexpr void on_dec() {}
constexpr void on_hex() {}
constexpr void on_bin() {}
constexpr void on_oct() {}
constexpr void on_num() {}
template <typename T = void>
constexpr void on_error() {
error_handler eh;
eh.on_error("invalid type specifier");
eh_.on_error("invalid type specifier");
}
private:
ErrorHandler &eh_;
};
template <typename Context>
@@ -2218,10 +2223,8 @@ class specs_checker : public Handler {
}
constexpr void end_precision() {
if (is_integral(arg_type_) || arg_type_ == POINTER) {
report_error("precision not allowed in {} format specifier",
arg_type_ == POINTER ? "pointer" : "integer");
}
if (is_integral(arg_type_) || arg_type_ == POINTER)
this->on_error("precision not allowed for this argument type");
}
private:
@@ -2642,7 +2645,8 @@ class format_string_checker : public ErrorHandler {
constexpr static size_t NUM_ARGS = sizeof...(Args);
constexpr void check_arg_index() {
if (arg_index_ < 0 || arg_index_ >= NUM_ARGS)
unsigned unsigned_index = arg_index_;
if (arg_index_ < 0 || unsigned_index >= NUM_ARGS)
this->on_error("argument index out of range");
}
@@ -3189,16 +3193,16 @@ typename basic_writer<Char>::pointer_type
template <typename Char>
template <typename T, typename Spec>
void basic_writer<Char>::write_int(T value, const Spec& spec) {
using unsigned_type = typename internal::int_traits<T>::main_type;
struct spec_handler {
basic_writer<Char> &writer;
const Spec& spec;
unsigned prefix_size = 0;
typedef typename internal::int_traits<T>::main_type UnsignedType;
UnsignedType abs_value;
unsigned_type abs_value;
char prefix[4] = "";
spec_handler(basic_writer<Char> &w, T value, const Spec& s)
: writer(w), spec(s), abs_value(static_cast<UnsignedType>(value)) {
: writer(w), spec(s), abs_value(static_cast<unsigned_type>(value)) {
if (internal::is_negative(value)) {
prefix[0] = '-';
++prefix_size;
@@ -3217,7 +3221,7 @@ void basic_writer<Char>::write_int(T value, const Spec& spec) {
}
void on_hex() {
UnsignedType n = abs_value;
unsigned_type n = abs_value;
if (spec.flag(HASH_FLAG)) {
prefix[prefix_size++] = '0';
prefix[prefix_size++] = spec.type();
@@ -3237,7 +3241,7 @@ void basic_writer<Char>::write_int(T value, const Spec& spec) {
}
void on_bin() {
UnsignedType n = abs_value;
unsigned_type n = abs_value;
if (spec.flag(HASH_FLAG)) {
prefix[prefix_size++] = '0';
prefix[prefix_size++] = spec.type();
@@ -3255,7 +3259,7 @@ void basic_writer<Char>::write_int(T value, const Spec& spec) {
}
void on_oct() {
UnsignedType n = abs_value;
unsigned_type n = abs_value;
if (spec.flag(HASH_FLAG))
prefix[prefix_size++] = '0';
unsigned num_digits = 0;
@@ -3764,8 +3768,10 @@ struct formatter<
internal::specs_checker<handler_type>
handler(handler_type(specs_, ctx), internal::get_type<T>());
it = parse_format_specs(it, handler);
if (std::is_integral<T>::value)
handle_integral_type_spec(specs_.type(), internal::int_type_checker());
if (std::is_integral<T>::value) {
handle_integral_type_spec(
specs_.type(), internal::int_type_checker<ParseContext>(ctx));
}
return pointer_from(it);
}
@@ -3951,6 +3957,7 @@ class udl_formatter {
constexpr bool invalid_format =
check_format_string<Char, error_handler, Args...>(
basic_string_view<Char>(s, sizeof...(CHARS)));
(void)invalid_format;
return format(s, args...);
}
};