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Filter: Moved singleton member definitions to f-inst.c

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This commit is contained in:
Maria Matejka 2019-07-01 13:13:06 +02:00
parent 4212c0e7e5
commit 26bfe59f45
2 changed files with 25 additions and 23 deletions
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14
filter/decl.m4
View File

@ -140,14 +140,6 @@ m4_define([[INST_INVAL]], [[$2]])m4_dnl
FID_ALL() m4_dnl
')
m4_dnl FID_MEMBER call:
m4_dnl type
m4_dnl name in f_inst
m4_dnl name in f_line_item
m4_dnl comparator for same
m4_dnl dump format string
m4_dnl dump format args
m4_dnl interpreter body
m4_define(FID_MEMBER, `m4_dnl
FID_LINE_IN
$1 $2;
@ -230,15 +222,11 @@ m4_define(RESULT_VOID, `RESULT_VAL([[ (struct f_val) { .type = T_VOID } ]])')
m4_define(SYMBOL, `FID_MEMBER(const struct symbol *, sym, sym,
[[strcmp(f1->sym->name, f2->sym->name) || (f1->sym->class != f2->sym->class)]], symbol %s, item->sym->name, const struct symbol *sym = whati->sym)')
m4_define(VAL, `FID_MEMBER(struct f_val $1, val, val m4_ifelse($1,,,[0]), [[!val_same(&f1->val, &f2->val)]], value %s, val_dump(&item->val),)')
m4_define(FRET, `FID_MEMBER(enum filter_return, fret, fret, f1->fret != f2->fret, %s, filter_return_str(item->fret), enum filter_return fret = whati->fret)')
m4_define(FRET, `')
m4_define(ECS, `FID_MEMBER(enum ec_subtype, ecs, ecs, f1->ecs != f2->ecs, ec subtype %s, ec_subtype_str(item->ecs), enum ec_subtype ecs = whati->ecs)')
m4_define(RTC, `FID_MEMBER(const struct rtable_config *, rtc, rtc, [[strcmp(f1->rtc->name, f2->rtc->name)]], route table %s, item->rtc->name, struct rtable *table = whati->rtc->table)')
m4_define(STATIC_ATTR, `FID_MEMBER(struct f_static_attr, sa, sa, f1->sa.sa_code != f2->sa.sa_code,,, struct f_static_attr sa = whati->sa)')
m4_define(DYNAMIC_ATTR, `FID_MEMBER(struct f_dynamic_attr, da, da, f1->da.ea_code != f2->da.ea_code,,, struct f_dynamic_attr da = whati->da)')
m4_define(COUNT, `FID_MEMBER(uint, count, count, f1->count != f2->count, number %u, item->count)')
m4_define(TREE, `FID_MEMBER(const struct f_tree *, tree, tree, [[!same_tree(f1->tree, f2->tree)]], tree %p, item->tree, const struct f_tree *tree = whati->tree)')
m4_define(STRING, `FID_MEMBER(const char *, s, s, [[strcmp(f1->s, f2->s)]], string \"%s\", item->s)')
m4_define(FID_WR_PUT_LIST)
m4_define(FID_WR_PUT_ALSO, `m4_define([[FID_WR_PUT_LIST]],FID_WR_PUT_LIST()[[FID_WR_DPUT(]]FID_WR_DIDX[[)FID_WR_DPUT(]]$1[[)]])m4_define([[FID_WR_DIDX]],m4_eval(FID_WR_DIDX+1))m4_divert(FID_WR_DIDX)')

34
filter/f-inst.c
View File

@ -20,21 +20,31 @@
* for several C sources; every instruction block gets expanded into many
* different places.
*
* All the arguments are processed literally; if you need an argument including comma,
* you have to quote it by [[ ... ]]
*
* What is the syntax here?
* m4_dnl INST(FI_NOP, in, out) { enum value, input args, output args
* m4_dnl ARG(num, type); argument, its id (in data fields) and type
* m4_dnl ARG_ANY(num); argument with no type check
* m4_dnl LINE(num, unused); this argument has to be converted to its own f_line
* m4_dnl ECS; extended community subtype
* m4_dnl COUNT(unused); simply a uint
* m4_dnl SYMBOL; symbol handed from config
* m4_dnl FRET; filter return value
* m4_dnl STATIC_ATTR; static attribute definition
* m4_dnl DYNAMIC_ATTR; dynamic attribute definition
* m4_dnl RTC; route table config
* m4_dnl TREE; a tree
* m4_dnl ACCESS_RTE; this instruction needs route
* m4_dnl ACCESS_EATTRS; this instruction needs extended attributes
*
* m4_dnl FID_MEMBER( custom instruction member
* m4_dnl C type, for storage in structs
* m4_dnl name in f_inst, how the member is named before linearization
* m4_dnl name in f_line_item, how the member is named afterwards
* m4_dnl comparator for same(), how the member is compared
* m4_dnl dump format string debug -> format string for bvsnprintf
* m4_dnl dump format args appropriate args
* m4_dnl interpreter body how to deal with this on execution
* m4_dnl )
*
* m4_dnl RESULT(type, union-field, value); putting this on value stack
* m4_dnl RESULT_VAL(value-struct); pass the struct f_val directly
* m4_dnl RESULT_VOID; return undef
@ -95,7 +105,8 @@
INST(FI_EC_CONSTRUCT, 2, 1) {
ARG_ANY(1);
ARG(2, T_INT);
ECS;
FID_MEMBER(enum ec_subtype, ecs, ecs, f1->ecs != f2->ecs, ec subtype %s, ec_subtype_str(item->ecs), enum ec_subtype ecs = whati->ecs);
int check, ipv4_used;
u32 key, val;
@ -141,7 +152,7 @@
INST(FI_PATHMASK_CONSTRUCT, 0, 1) {
ARG_ANY(1);
COUNT(2);
FID_MEMBER(uint, count, count, f1->count != f2->count, number of items %u, item->count);
FID_NEW_BODY
uint len = 0;
@ -277,7 +288,7 @@
}
INST(FI_VAR_GET, 0, 1) {
SYMBOL(1);
SYMBOL;
RESULT_VAL(fstk->vstk[curline.vbase + sym->offset]);
}
@ -346,7 +357,7 @@
}
FID_ALL
FRET(2);
FID_MEMBER(enum filter_return, fret, fret, f1->fret != f2->fret, %s, filter_return_str(item->fret), enum filter_return fret = whati->fret);
if ((fret == F_NOP || (fret != F_NONL && (what->flags & FIF_PRINTED))) &&
!(fs->flags & FF_SILENT))
@ -789,7 +800,9 @@
INST(FI_SWITCH, 1, 0) {
ARG_ANY(1);
TREE;
FID_MEMBER(const struct f_tree *, tree, tree, [[!same_tree(f1->tree, f2->tree)]], tree %p, item->tree, const struct f_tree *tree = whati->tree);
const struct f_tree *t = find_tree(tree, &v1);
if (!t) {
v1.type = T_VOID;
@ -1034,7 +1047,8 @@
INST(FI_ASSERT, 1, 0) { /* Birdtest Assert */
ARG(1, T_BOOL);
STRING;
FID_MEMBER(const char *, s, s, [[strcmp(f1->s, f2->s)]], string \"%s\", item->s);
if (!bt_assert_hook)
runtime("No bt_assert hook registered, can't assert");