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[T_CLOSE_LIST] = S_PARENT },
[S_DICT_KEY] = {
[T_STRING] = S_DICT_COLON },
[S_DICT_KEY_OR_CLOSE] = {
[T_STRING] = S_DICT_COLON,
[T_CLOSE_DICT] = S_PARENT },
[S_DICT_COLON] = {
[T_COLON] = S_DICT_VALUE },
[S_DICT_VALUE] = {
[T_OPEN_LIST] = S_LIST_VALUE_OR_CLOSE,
[T_OPEN_DICT] = S_DICT_KEY_OR_CLOSE,
[T_STRING] = S_DICT_COMMA_OR_CLOSE,
[T_OTHER] = S_DICT_COMMA_OR_CLOSE },
[S_DICT_COMMA_OR_CLOSE] = {
[T_COMMA] = S_DICT_KEY,
[T_CLOSE_DICT] = S_PARENT },
};
#define MAPSTATE(state, tok) do { \
int newstate = STATE_STEPS[state][tok]; \
if (!newstate) \
return err_false(ctx, ""Unexpected symbol: '%c'"", c); \
state = newstate; \
} while (0)
/* actual parser */
static bool parse_tokens(struct JsonContext *ctx, const char *src, const char *end)
{
char c;
enum ParseState state = S_INITIAL_VALUE;
bool relaxed = ctx->options & JSON_PARSE_RELAXED;
while (src < end) {
c = *src++;
switch (c) {
case '\n':
ctx->linenr++;
case ' ': case '\t': case '\r': case '\f': case '\v':
/* common case - many spaces */
while (src < end && *src == ' ') src++;
break;
case '""':
MAPSTATE(state, T_STRING);
if (!parse_string(ctx, &src, end))
goto failed;
break;
case 'n':
MAPSTATE(state, T_OTHER);
src--;
if (!parse_char4(ctx, &src, end, C_NULL, JSON_NULL, 0))
goto failed;
continue;
case 't':
MAPSTATE(state, T_OTHER);
src--;
if (!parse_char4(ctx, &src, end, C_TRUE, JSON_BOOL, 1))
goto failed;
break;
case 'f':
MAPSTATE(state, T_OTHER);
if (!parse_char4(ctx, &src, end, C_ALSE, JSON_BOOL, 0))
goto failed;
break;
case '-':
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
MAPSTATE(state, T_OTHER);
src--;
if (!parse_number(ctx, &src, end))
goto failed;
break;
case '[':
MAPSTATE(state, T_OPEN_LIST);
if (!open_container(ctx, JSON_LIST, LIST_EXTRA))
goto failed;
break;
case '{':
MAPSTATE(state, T_OPEN_DICT);
if (!open_container(ctx, JSON_DICT, DICT_EXTRA))
goto failed;
break;
case ']':
MAPSTATE(state, T_CLOSE_LIST);
state = close_container(ctx, state);
if (!state)
goto failed;
break;
case '}':
MAPSTATE(state, T_CLOSE_DICT);
state = close_container(ctx, state);
if (!state)
goto failed;
break;
case ':':
MAPSTATE(state, T_COLON);
if (!real_dict_add_key(ctx, ctx->parent, ctx->cur_key))
goto failed;
break;
case ',':
if (relaxed && skip_extra_comma(ctx, &src, end, state))