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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:22:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:22:44 +0000 |
commit | 1e6c93250172946eeb38e94a92a1fd12c9d3011e (patch) | |
tree | 8ca5e16dfc7ad6b3bf2738ca0a48408a950f8f7e /src/eval.h | |
parent | Update watch file (diff) | |
download | netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.tar.xz netdata-1e6c93250172946eeb38e94a92a1fd12c9d3011e.zip |
Merging upstream version 1.11.0+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/eval.h')
-rw-r--r-- | src/eval.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/src/eval.h b/src/eval.h deleted file mode 100644 index 6a5562fd4..000000000 --- a/src/eval.h +++ /dev/null @@ -1,72 +0,0 @@ -#ifndef NETDATA_EVAL_H -#define NETDATA_EVAL_H - -#define EVAL_MAX_VARIABLE_NAME_LENGTH 300 - -typedef struct eval_variable { - char *name; - uint32_t hash; - struct eval_variable *next; -} EVAL_VARIABLE; - -typedef struct eval_expression { - const char *source; - const char *parsed_as; - - RRDCALC_STATUS *status; - calculated_number *this; - time_t *after; - time_t *before; - - calculated_number result; - - int error; - BUFFER *error_msg; - - // hidden EVAL_NODE * - void *nodes; - - // custom data to be used for looking up variables - struct rrdcalc *rrdcalc; -} EVAL_EXPRESSION; - -#define EVAL_VALUE_INVALID 0 -#define EVAL_VALUE_NUMBER 1 -#define EVAL_VALUE_VARIABLE 2 -#define EVAL_VALUE_EXPRESSION 3 - -// parsing and evaluation -#define EVAL_ERROR_OK 0 - -// parsing errors -#define EVAL_ERROR_MISSING_CLOSE_SUBEXPRESSION 1 -#define EVAL_ERROR_UNKNOWN_OPERAND 2 -#define EVAL_ERROR_MISSING_OPERAND 3 -#define EVAL_ERROR_MISSING_OPERATOR 4 -#define EVAL_ERROR_REMAINING_GARBAGE 5 -#define EVAL_ERROR_IF_THEN_ELSE_MISSING_ELSE 6 - -// evaluation errors -#define EVAL_ERROR_INVALID_VALUE 101 -#define EVAL_ERROR_INVALID_NUMBER_OF_OPERANDS 102 -#define EVAL_ERROR_VALUE_IS_NAN 103 -#define EVAL_ERROR_VALUE_IS_INFINITE 104 -#define EVAL_ERROR_UNKNOWN_VARIABLE 105 - -// parse the given string as an expression and return: -// a pointer to an expression if it parsed OK -// NULL in which case the pointer to error has the error code -extern EVAL_EXPRESSION *expression_parse(const char *string, const char **failed_at, int *error); - -// free all resources allocated for an expression -extern void expression_free(EVAL_EXPRESSION *op); - -// convert an error code to a message -extern const char *expression_strerror(int error); - -// evaluate an expression and return -// 1 = OK, the result is in: expression->result -// 2 = FAILED, the error message is in: buffer_tostring(expression->error_msg) -extern int expression_evaluate(EVAL_EXPRESSION *expression); - -#endif //NETDATA_EVAL_H |