Datasets:

MIN12352

/

codeparrot

like 0

/* create and change context */

static bool open_container(struct JsonContext *ctx, enum JsonValueType type, unsigned int extra)

{

struct JsonValue *jv;

jv = mk_value(ctx, type, extra, true);

if (!jv)

return false;

ctx->parent = jv;

ctx->cur_key = NULL;

return true;

}

/* close and change context */

static enum ParseState close_container(struct JsonContext *ctx, enum ParseState state)

{

struct JsonContainer *c;

if (state != S_PARENT)

return (int)err_false(ctx, ""close_container bug"");

c = get_container(ctx->parent);

if (!c)

return (int)err_false(ctx, ""invalid parent"");

ctx->parent = c->c_parent;

ctx->cur_key = NULL;

if (has_type(ctx->parent, JSON_DICT)) {

return S_DICT_COMMA_OR_CLOSE;

} else if (has_type(ctx->parent, JSON_LIST)) {

return S_LIST_COMMA_OR_CLOSE;

}

return S_DONE;

}

/* parse 4-char token */

static bool parse_char4(struct JsonContext *ctx, const char **src_p, const char *end,

uint32_t t_exp, enum JsonValueType type, bool val)

{

const char *src;

uint32_t t_got;

struct JsonValue *jv;

src = *src_p;

if (src + 4 > end)

return err_false(ctx, ""Unexpected end of token"");

memcpy(&t_got, src, 4);

if (t_exp != t_got)

return err_false(ctx, ""Invalid token"");

jv = mk_value(ctx, type, 0, true);

if (!jv)

return false;

jv->u.v_bool = val;

*src_p += 4;

return true;

}

/* parse int or float */

static bool parse_number(struct JsonContext *ctx, const char **src_p, const char *end)

{

const char *start, *src;

enum JsonValueType type = JSON_INT;

char *tokend = NULL;

char buf[NUMBER_BUF];

size_t len;

struct JsonValue *jv;

double v_float = 0;

int64_t v_int = 0;

/* scan & copy */

start = src = *src_p;

for (; src < end; src++) {

if (*src >= '0' && *src <= '9') {

} else if (*src == '+' || *src == '-') {

} else if (*src == '.' || *src == 'e' || *src == 'E') {

type = JSON_FLOAT;

} else {

break;

}

}

len = src - start;

if (len >= NUMBER_BUF)

goto failed;

memcpy(buf, start, len);

buf[len] = 0;

/* now parse */

errno = 0;

tokend = buf;

if (type == JSON_FLOAT) {

v_float = strtod_dot(buf, &tokend);

if (*tokend != 0 || errno || !isfinite(v_float))

goto failed;

} else if (len < 8) {

v_int = strtol(buf, &tokend, 10);