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numberparsingcheck.cpp
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239 lines (222 loc) · 7.57 KB
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#include <cstring>
#include <inttypes.h>
#include <math.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef JSON_TEST_NUMBERS
#define JSON_TEST_NUMBERS
#endif
#if (!(_MSC_VER) && !(__MINGW32__) && !(__MINGW64__))
#include <dirent.h>
#else
#include <dirent_portable.h>
#endif
#include "simdjson.h"
// ulp distance
// Marc B. Reynolds, 2016-2019
// Public Domain under http://unlicense.org, see link for details.
// adapted by D. Lemire
inline uint32_t f32_ulp_dist(float a, float b) {
uint32_t ua, ub;
memcpy(&ua, &a, sizeof(ua));
memcpy(&ub, &b, sizeof(ub));
if ((int32_t)(ub ^ ua) >= 0)
return (int32_t)(ua - ub) >= 0 ? (ua - ub) : (ub - ua);
return ua + ub + 0x80000000;
}
// ulp distance
// Marc B. Reynolds, 2016-2019
// Public Domain under http://unlicense.org, see link for details.
// adapted by D. Lemire
inline uint64_t f64_ulp_dist(double a, double b) {
uint64_t ua, ub;
memcpy(&ua, &a, sizeof(ua));
memcpy(&ub, &b, sizeof(ub));
if ((int64_t)(ub ^ ua) >= 0)
return (int64_t)(ua - ub) >= 0 ? (ua - ub) : (ub - ua);
return ua + ub + 0x80000000;
}
int parse_error;
char *fullpath;
enum { PARSE_WARNING, PARSE_ERROR };
size_t float_count;
size_t int_count;
size_t invalid_count;
// strings that start with these should not be parsed as numbers
const char *really_bad[] = {"013}", "0x14", "0e]", "0e+]", "0e+-1]"};
bool starts_with(const char *pre, const char *str) {
size_t lenpre = strlen(pre);
return strncmp(pre, str, lenpre) == 0;
}
bool is_in_bad_list(const char *buf) {
if (buf[0] != '0')
return false;
for (size_t i = 0; i < sizeof(really_bad) / sizeof(really_bad[0]); i++)
if (starts_with(really_bad[i], buf))
return true;
return false;
}
void found_invalid_number(const uint8_t *buf) {
invalid_count++;
char *endptr;
double expected = strtod((const char *)buf, &endptr);
if (endptr != (const char *)buf) {
if (!is_in_bad_list((const char *)buf)) {
printf("Warning: found_invalid_number %.32s whereas strtod parses it to "
"%f, ",
buf, expected);
printf(" while parsing %s \n", fullpath);
parse_error |= PARSE_WARNING;
}
}
}
void found_integer(int64_t result, const uint8_t *buf) {
int_count++;
char *endptr;
long long expected = strtoll((const char *)buf, &endptr, 10);
if ((endptr == (const char *)buf) || (expected != result)) {
#if (!(__MINGW32__) && !(__MINGW64__))
fprintf(stderr, "Error: parsed %" PRId64 " out of %.32s, ", result, buf);
#else // mingw is busted since we include #include <inttypes.h>
fprintf(stderr, "Error: parsed %lld out of %.32s, ", (long long)result, buf);
#endif
fprintf(stderr, " while parsing %s \n", fullpath);
parse_error |= PARSE_ERROR;
}
}
void found_unsigned_integer(uint64_t result, const uint8_t *buf) {
int_count++;
char *endptr;
unsigned long long expected = strtoull((const char *)buf, &endptr, 10);
if ((endptr == (const char *)buf) || (expected != result)) {
#if (!(__MINGW32__) && !(__MINGW64__))
fprintf(stderr, "Error: parsed %" PRIu64 " out of %.32s, ", result, buf);
#else // mingw is busted since we include #include <inttypes.h>
fprintf(stderr, "Error: parsed %llu out of %.32s, ", (unsigned long long)result, buf);
#endif
fprintf(stderr, " while parsing %s \n", fullpath);
parse_error |= PARSE_ERROR;
}
}
void found_float(double result, const uint8_t *buf) {
char *endptr;
float_count++;
double expected = strtod((const char *)buf, &endptr);
if (endptr == (const char *)buf) {
fprintf(stderr,
"parsed %f from %.32s whereas strtod refuses to parse a float, ",
result, buf);
fprintf(stderr, " while parsing %s \n", fullpath);
parse_error |= PARSE_ERROR;
}
if (fpclassify(expected) != fpclassify(result)) {
fprintf(stderr,
"floats not in the same category expected: %f observed: %f \n",
expected, result);
fprintf(stderr, "%.32s\n", buf);
parse_error |= PARSE_ERROR;
return;
}
if (expected != result) {
fprintf(stderr, "parsed %.128e from \n", result);
fprintf(stderr, " %.32s whereas strtod gives\n", buf);
fprintf(stderr, " %.128e,", expected);
fprintf(stderr, " while parsing %s \n", fullpath);
fprintf(stderr, " =========== ULP: %u,", (unsigned int)f64_ulp_dist(expected, result));
parse_error |= PARSE_ERROR;
}
}
#include "simdjson.h"
#include "simdjson.cpp"
/**
* Does the file filename ends with the given extension.
*/
static bool has_extension(const char *filename, const char *extension) {
const char *ext = strrchr(filename, '.');
return (ext && !strcmp(ext, extension));
}
bool validate(const char *dirname) {
parse_error = 0;
size_t total_count = 0;
const char *extension = ".json";
size_t dirlen = strlen(dirname);
struct dirent **entry_list;
int c = scandir(dirname, &entry_list, 0, alphasort);
if (c < 0) {
printf("error accessing %s \n", dirname);
return false;
}
if (c == 0) {
printf("nothing in dir %s \n", dirname);
return false;
}
bool needsep = (strlen(dirname) > 1) && (dirname[strlen(dirname) - 1] != '/');
for (int i = 0; i < c; i++) {
const char *name = entry_list[i]->d_name;
if (has_extension(name, extension)) {
size_t filelen = strlen(name);
fullpath = (char *)malloc(dirlen + filelen + 1 + 1);
strcpy(fullpath, dirname);
if (needsep) {
fullpath[dirlen] = '/';
strcpy(fullpath + dirlen + 1, name);
} else {
strcpy(fullpath + dirlen, name);
}
simdjson::padded_string p;
auto error = simdjson::padded_string::load(fullpath).get(p);
if (error) {
std::cerr << "Could not load the file " << fullpath << std::endl;
return EXIT_FAILURE;
}
// terrible hack but just to get it working
float_count = 0;
int_count = 0;
invalid_count = 0;
total_count += float_count + int_count + invalid_count;
simdjson::dom::parser parser;
auto err = parser.parse(p).error();
bool isok = (err == simdjson::error_code::SUCCESS);
if (int_count + float_count + invalid_count > 0) {
printf("File %40s %s --- integers: %10zu floats: %10zu invalid: %10zu "
"total numbers: %10zu \n",
name, isok ? " is valid " : " is not valid ", int_count,
float_count, invalid_count,
int_count + float_count + invalid_count);
}
free(fullpath);
}
}
if ((parse_error & PARSE_ERROR) != 0) {
printf("NUMBER PARSING FAILS?\n");
} else {
printf("All ok.\n");
}
for (int i = 0; i < c; ++i)
free(entry_list[i]);
free(entry_list);
return ((parse_error & PARSE_ERROR) == 0);
}
int main(int argc, char *argv[]) {
if (argc != 2) {
std::cerr << "Usage: " << argv[0] << " <directorywithjsonfiles>"
<< std::endl;
#if defined(SIMDJSON_TEST_DATA_DIR) && defined(SIMDJSON_BENCHMARK_DATA_DIR)
std::cout << "We are going to assume you mean to use the '"
<< SIMDJSON_TEST_DATA_DIR << "' and '"
<< SIMDJSON_BENCHMARK_DATA_DIR << "'directories." << std::endl;
return validate(SIMDJSON_TEST_DATA_DIR) &&
validate(SIMDJSON_BENCHMARK_DATA_DIR)
? EXIT_SUCCESS
: EXIT_FAILURE;
#else
std::cout << "We are going to assume you mean to use the 'jsonchecker' and "
"'jsonexamples' directories."
<< std::endl;
return validate("jsonchecker/") && validate("jsonexamples/") ? EXIT_SUCCESS
: EXIT_FAILURE;
#endif
}
return validate(argv[1]) ? EXIT_SUCCESS : EXIT_FAILURE;
}