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Filters: split the large filter.h file to smaller files.

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This should be revised, there are still ugly things in the filter API.
This commit is contained in:
Maria Matejka
2019-02-07 21:25:38 +01:00
parent c1e97169cd
commit 8bdb05edb2
17 changed files with 385 additions and 463 deletions
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38
filter/filter.c
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@@ -47,7 +47,8 @@
#include "nest/attrs.h"
#include "conf/conf.h"
#include "filter/filter.h"
#include "filter/f-inst-struct.h"
#include "filter/f-inst.h"
#include "filter/f-util.h"
#define CMP_ERROR 999
@@ -715,12 +716,39 @@ f_postfixify_concat(const struct f_inst * const inst[], uint count)
static enum filter_return
interpret(struct filter_state *fs, const struct f_line *line, struct f_val *val)
{
struct f_val_stack vstk;
vstk.cnt = 0;
struct f_exec_stack estk;
#define F_VAL_STACK_MAX 4096
/* Value stack for execution */
struct f_val_stack {
uint cnt; /* Current stack size; 0 for empty */
struct f_val val[F_VAL_STACK_MAX]; /* The stack itself */
} vstk;
/* The stack itself is intentionally kept as-is for performance reasons.
* Do NOT rewrite this to initialization by struct literal. It's slow.
*/
vstk.cnt = 0;
#define F_EXEC_STACK_MAX 4096
/* Exception bits */
enum f_exception {
FE_RETURN = 0x1,
};
/* Instruction stack for execution */
struct f_exec_stack {
struct {
const struct f_line *line; /* The line that is being executed */
uint pos; /* Instruction index in the line */
uint ventry; /* Value stack depth on entry */
enum f_exception emask; /* Exception mask */
} item[F_EXEC_STACK_MAX];
uint cnt; /* Current stack size; 0 for empty */
} estk;
/* The same as with the value stack. Not resetting the stack for performance reasons. */
estk.cnt = 1;
estk.item[0].line = line;
estk.item[0].line = line;
estk.item[0].pos = 0;
#define curline estk.item[estk.cnt-1]