Function report_parse_error

src/common/jsonapi.c:1015–1052

* Report a parse error. * * lex->token_start and lex->token_terminator must identify the current token. */

 * lex->token_start and lex->token_terminator must identify the current token.
 */
static JsonParseErrorType
report_parse_error(JsonParseContext ctx, JsonLexContext *lex)
{
	/* Handle case where the input ended prematurely. */
	if (lex->token_start == NULL || lex->token_type == JSON_TOKEN_END)
		return JSON_EXPECTED_MORE;

	/* Otherwise choose the error type based on the parsing context. */
	switch (ctx)
	{
		case JSON_PARSE_END:
			return JSON_EXPECTED_END;
		case JSON_PARSE_VALUE:
			return JSON_EXPECTED_JSON;
		case JSON_PARSE_STRING:
			return JSON_EXPECTED_STRING;
		case JSON_PARSE_ARRAY_START:
			return JSON_EXPECTED_ARRAY_FIRST;
		case JSON_PARSE_ARRAY_NEXT:
			return JSON_EXPECTED_ARRAY_NEXT;
		case JSON_PARSE_OBJECT_START:
			return JSON_EXPECTED_OBJECT_FIRST;
		case JSON_PARSE_OBJECT_LABEL:
			return JSON_EXPECTED_COLON;
		case JSON_PARSE_OBJECT_NEXT:
			return JSON_EXPECTED_OBJECT_NEXT;
		case JSON_PARSE_OBJECT_COMMA:
			return JSON_EXPECTED_STRING;
	}

	/*
	 * We don't use a default: case, so that the compiler will warn about
	 * unhandled enum values.  But this needs to be here anyway to cover the
	 * possibility of an incorrect input.
	 */
	json_log_and_abort("unexpected json parse state: %d", (int) ctx);
	return JSON_SUCCESS;		/* silence stupider compilers */
}

/*
 * Construct a detail message for a JSON error.