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Filter: Merged filter line item dumpers into common generated source
This commit is contained in:
Maria Matejka
parent
b256f24145
commit
de12cd18fb
@ -22,11 +22,10 @@ $(o)inst-gen.h: $(s)decl.m4 $(s)f-inst.c $(objdir)/.dir-stamp
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$(o)inst-gen.c: $(s)decl.m4 $(s)f-inst.c $(objdir)/.dir-stamp
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$(M4) $(M4FLAGS_FILTERS) -DTARGET=C -P $^ >$@
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$(o)f-inst-dump.c: $(s)dump.m4 $(s)f-inst.c $(objdir)/.dir-stamp
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$(M4) $(M4FLAGS_FILTERS) -P $^ >$@
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$(o)filter.o: $(o)f-inst-interpret.c $(o)f-inst-postfixify.c $(o)f-inst-same.c $(o)f-inst-dump.c $(o)inst-gen.h
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$(o)filter.o: $(o)f-inst-interpret.c $(o)f-inst-postfixify.c $(o)f-inst-same.c $(o)inst-gen.h
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tests_src := tree_test.c filter_test.c trie_test.c
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tests_targets := $(tests_targets) $(tests-target-files)
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tests_objs := $(tests_objs) $(src-o-files)
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$(call clean,inst-gen.h inst-gen.c)
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125
filter/decl.m4
125
filter/decl.m4
@ -10,6 +10,8 @@ m4_divert(-1)m4_dnl
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# Global Diversions:
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# 4 enum fi_code
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# 5 enum fi_code to string
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# 6 dump line item
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# 7 dump line item callers
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# 1 struct f_inst_FI_...
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# 2 union in struct f_inst
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# 3 constructors
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@ -18,8 +20,10 @@ m4_divert(-1)m4_dnl
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# 101 content of struct f_inst_FI_...
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# 102 constructor arguments
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# 103 constructor body
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# 104 dump line item content
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#
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# Put-around Diversions: 9xx
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# Diversions for TARGET=C: 8xx
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# Diversions for TARGET=H: 9xx
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# Flush the completed instruction
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m4_define(FID_END, `m4_divert(-1)')
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@ -32,10 +36,13 @@ m4_define(FID_UNION, `FID_ZONE(2, Union member)')
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m4_define(FID_NEW, `FID_ZONE(3, Constructor)')
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m4_define(FID_ENUM, `FID_ZONE(4, Code enum)')
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m4_define(FID_ENUM_STR, `FID_ZONE(5, Code enum to string)')
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m4_define(FID_DUMP, `FID_ZONE(6, Dump line)')
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m4_define(FID_DUMP_CALLER, `FID_ZONE(7, Dump line caller)')
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m4_define(FID_STRUCT_IN, `m4_divert(101)')
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m4_define(FID_NEW_ARGS, `m4_divert(102)')
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m4_define(FID_NEW_BODY, `m4_divert(103)')
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m4_define(FID_DUMP_BODY, `m4_divert(104)m4_define(FID_DUMP_BODY_EXISTS)')
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m4_define(FID_ALL, `m4_ifdef([[FID_CURDIV]], [[m4_divert(FID_CURDIV)m4_undefine([[FID_CURDIV]])]])')
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m4_define(FID_C, `m4_ifelse(TARGET, [[C]], FID_ALL, [[m4_define(FID_CURDIV, m4_divnum)m4_divert(-1)]])')
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@ -57,7 +64,9 @@ FID_NEW
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struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
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m4_undivert(102)
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)
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FID_H ; FID_C
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FID_H
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;
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FID_C
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{
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struct f_inst *what_ = cfg_allocz(sizeof(struct f_inst));
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what_->fi_code = fi_code;
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@ -67,6 +76,19 @@ FID_H ; FID_C
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m4_undivert(103)
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return what_;
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}
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FID_DUMP_CALLER
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case INST_NAME(): f_dump_line_item_]]INST_NAME()[[(item, indent + 1); break;
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FID_DUMP
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m4_ifdef([[FID_DUMP_BODY_EXISTS]],
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[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item, const int indent)]]
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,
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[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item UNUSED, const int indent UNUSED)]])
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m4_undefine([[FID_DUMP_BODY_EXISTS]])
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{
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m4_undivert(104)
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}
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FID_ALL
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FID_END
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]])')
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@ -80,23 +102,32 @@ FID_NEW_ARGS
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, $1 $2
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FID_NEW_BODY
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what->$2 = $2;
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m4_ifelse($3,,,[[
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FID_DUMP_BODY
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debug("%s$3\n", INDENT, $4);
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]])
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FID_END')
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m4_define(ARG, `FID_MEMBER(const struct f_inst *, f$1)
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m4_define(ARG, `FID_MEMBER(const struct f_inst *, f$1,,)
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FID_NEW_BODY
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for (const struct f_inst *child = f$1; child; child = child->next) what_->size += child->size;
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FID_END')
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m4_define(ARG_ANY, `FID_MEMBER(const struct f_inst *, f$1)
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m4_define(ARG_ANY, `FID_MEMBER(const struct f_inst *, f$1,,)
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FID_NEW_BODY
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for (const struct f_inst *child = f$1; child; child = child->next) what_->size += child->size;
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FID_END')
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m4_define(LINE, `FID_MEMBER(const struct f_inst *, f$1)')
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m4_define(LINE, `FID_MEMBER(const struct f_inst *, f$1,,)
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FID_DUMP_BODY
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f_dump_line(item->lines[$2], indent + 1);
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FID_END')
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m4_define(LINEP, `FID_STRUCT_IN
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const struct f_line *fl$1;
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FID_DUMP_BODY
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f_dump_line(item->lines[$2], indent + 1)
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FID_END')
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m4_define(SYMBOL, `FID_MEMBER(const struct symbol *, sym)')
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m4_define(VALI, `FID_MEMBER(struct f_val, vali)')
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m4_define(VALP, `FID_MEMBER(const struct f_val *, valp)')
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m4_define(SYMBOL, `FID_MEMBER(const struct symbol *, sym, symbol %s, item->sym->name)')
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m4_define(VALI, `FID_MEMBER(struct f_val, vali, value %s, val_dump(&item->val))')
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m4_define(VALP, `FID_MEMBER(const struct f_val *, valp, value %s, val_dump(&item->val))')
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m4_define(VAR, `m4_dnl
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FID_STRUCT_IN
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const struct f_val *valp;
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@ -105,39 +136,33 @@ FID_NEW_ARGS
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, const struct symbol *sym
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FID_NEW_BODY
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what->valp = (what->sym = sym)->def;
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FID_DUMP_BODY
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debug("%svariable %s with value %s\n", INDENT, item->sym->name, val_dump(item->vp));
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FID_END')
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m4_define(FRET, `FID_MEMBER(enum filter_return, fret)')
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m4_define(ECS, `FID_MEMBER(enum ec_subtype, ecs)')
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m4_define(RTC, `FID_MEMBER(const struct rtable_config *, rtc)')
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m4_define(FRET, `FID_MEMBER(enum filter_return, fret, %s, filter_return_str(item->fret))')
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m4_define(ECS, `FID_MEMBER(enum ec_subtype, ecs, ec subtype %s, ec_subtype_str(item->ecs))')
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m4_define(RTC, `FID_MEMBER(const struct rtable_config *, rtc, route table %s, item->rtc->name)')
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m4_define(STATIC_ATTR, `FID_MEMBER(struct f_static_attr, sa)')
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m4_define(DYNAMIC_ATTR, `FID_MEMBER(struct f_dynamic_attr, da)')
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m4_define(COUNT, `FID_MEMBER(uint, count)')
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m4_define(TREE, `FID_MEMBER(const struct f_tree *, tree)')
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m4_define(STRING, `FID_MEMBER(const char *, s)')
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m4_define(COUNT, `FID_MEMBER(uint, count, number %u, item->count)')
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m4_define(TREE, `FID_MEMBER(const struct f_tree *, tree, tree %p, item->tree)')
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m4_define(STRING, `FID_MEMBER(const char *, s, string \"%s\", item->s)')
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m4_define(FID_WR_UNDIVERT_LIST,FID_WR_DPUT(900))
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m4_define(FID_WR_CUR_DIRECT,900)
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m4_define(FID_WR_PUT, `m4_ifelse(1, m4_eval(m4_divnum > -1), [[m4_divert(-1)
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m4_define([[FID_WR_CUR_DIRECT]], m4_eval(FID_WR_CUR_DIRECT + 1))
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m4_define([[FID_WR_UNDIVERT_LIST]], FID_WR_UNDIVERT_LIST[[]]/* wrput $1 */FID_WR_DPUT($1)/* wrputdir FID_WR_CUR_DIRECT */FID_WR_DPUT(FID_WR_CUR_DIRECT))
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m4_divert(FID_WR_CUR_DIRECT)]], [[m4_define([[FID_WR_UNDIVERT_LIST]], FID_WR_UNDIVERT_LIST[[]]/* wrdrop $1 */FID_WR_DROP($1))]])')
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m4_define(FID_WR_PUT_LIST)
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m4_define(FID_WR_DROP_LIST)
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m4_define(FID_WR_IPUT, `m4_define([[FID_WR_CUR_DIRECT]], m4_eval(FID_WR_CUR_DIRECT + 1))m4_define([[FID_WR_PUT_LIST]], FID_WR_PUT_LIST[[]]FID_WR_DPUT($1)FID_WR_DPUT(FID_WR_CUR_DIRECT))m4_divert(FID_WR_CUR_DIRECT)')
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m4_define(FID_WR_IDROP, `m4_define([[FID_WR_CUR_DIRECT]], m4_eval(FID_WR_CUR_DIRECT + 1))m4_define([[FID_WR_DROP_LIST]], FID_WR_DROP_LIST[[]]FID_WR_DPUT($1)FID_WR_DPUT(FID_WR_CUR_DIRECT))m4_divert(FID_WR_CUR_DIRECT)')
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m4_define(FID_WR_DIRECT, `m4_define([[FID_WR_CUR_DIRECT]],$1)m4_ifelse(TARGET,[[$2]],[[m4_define([[FID_WR_PUT]], [[FID_WR_IPUT($]][[@)]])m4_define([[FID_WR_PUT_LIST]],FID_WR_PUT_LIST[[]]FID_WR_DPUT($1))]],[[m4_define([[FID_WR_PUT]], [[FID_WR_IDROP($]][[@)]])m4_define([[FID_WR_DROP_LIST]],FID_WR_DROP_LIST[[]]FID_WR_DPUT($1))]])m4_divert($1)')
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m4_dnl m4_define(FID_WR_CUR_DIRECT,m4_ifelse(TARGET,`C',800,TARGET,`H',900,m4_errprint(`Bad TARGET: 'TARGET)m4_m4exit(1)))
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m4_changequote([[,]])
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m4_divert(900)
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FID_C
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FID_WR_DIRECT(800,C)
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#include "nest/bird.h"
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#include "filter/filter.h"
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#include "filter/f-inst.h"
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FID_H
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/* Filter instruction codes */
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enum f_instruction_code {
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FID_WR_PUT(4)
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};
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FID_C
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/* Instruction codes to string */
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static const char * const f_instruction_name_str[] = {
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FID_WR_PUT(5)
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@ -152,7 +177,39 @@ f_instruction_name(enum f_instruction_code fi)
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bug("Got unknown instruction code: %d", fi);
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}
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FID_H
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/* Instruction constructors */
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FID_WR_PUT(3)
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/* Line dumpers */
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#define INDENT (((const char *) f_dump_line_indent_str) + sizeof(f_dump_line_indent_str) - (indent) - 1)
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static const char f_dump_line_indent_str[] = " ";
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void f_dump_line(const struct f_line *dest, int indent);
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FID_WR_PUT(6)
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void f_dump_line(const struct f_line *dest, int indent)
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{
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if (!dest) {
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debug("%sNo filter line (NULL)\n", INDENT);
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return;
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}
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debug("%sFilter line %p (len=%u)\n", INDENT, dest, dest->len);
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for (uint i=0; i<dest->len; i++) {
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const struct f_line_item *item = &dest->items[i];
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debug("%sInstruction %s at line %u\n", INDENT, f_instruction_name(item->fi_code), item->lineno);
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switch (item->fi_code) {
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FID_WR_PUT(7)
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default: bug("Unknown instruction %x in f_dump_line", item->fi_code);
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}
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}
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debug("%sFilter line %p dump done\n", INDENT, dest);
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}
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FID_WR_DIRECT(900,H)
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/* Filter instruction codes */
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enum f_instruction_code {
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FID_WR_PUT(4)
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};
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/* Per-instruction structures */
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FID_WR_PUT(1)
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@ -167,12 +224,12 @@ struct f_inst {
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};
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};
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FID_ALL
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/* Instruction constructors */
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FID_WR_PUT(3)
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m4_divert(-1)
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m4_changequote(`,')
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m4_m4wrap(`INST_FLUSH()m4_define(FID_WR_DPUT, [[m4_undivert($1)]])m4_define(FID_WR_DROP, [[m4_divert(-1)m4_undivert($1)m4_divert(0)]])m4_divert(0)FID_WR_UNDIVERT_LIST[[]]m4_divert(-1)')
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m4_m4wrap(`INST_FLUSH()m4_define(FID_WR_DPUT, [[m4_undivert($1)]])m4_divert(0)FID_WR_PUT_LIST[[]]m4_divert(-1)FID_WR_DROP_LIST[[]]')
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m4_changequote([[,]])
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@ -1,51 +0,0 @@
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m4_divert(-1)m4_dnl
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#
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# BIRD -- Dumping instruction lines
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#
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# (c) 2018 Maria Matejka <mq@jmq.cz>
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#
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# Can be freely distributed and used under the terms of the GNU GPL.
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#
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# Common aliases
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m4_define(DNL, `m4_dnl')
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m4_define(INST_FLUSH, `m4_ifdef([[INST_NAME]], [[
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m4_divert(1)
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case INST_NAME():
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m4_undivert(2)
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break;
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m4_divert(-1)
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]])')
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m4_define(INST, `INST_FLUSH()m4_define([[INST_NAME]], [[$1]])')
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m4_define(LINE, `m4_divert(2)f_dump_line(item->lines[$2], indent + 1);
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m4_divert(-1)')
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m4_define(LINEP, `LINE($@)')
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m4_define(SYMBOL, `m4_divert(2)debug("%ssymbol %s\n", INDENT, item->sym->name);
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m4_divert(-1)')
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m4_define(VALI, `m4_divert(2)debug("%svalue %s\n", INDENT, val_dump(&item->val));
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m4_divert(-1)')
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m4_define(VAR, `m4_divert(2)debug("%svar %s: value %s\n", INDENT, item->sym->name, val_dump(item->vp));
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m4_divert(-1)')
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m4_define(FRET, `m4_divert(2)debug("%sfilter return value %d\n", INDENT, item->fret);
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m4_divert(-1)')
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m4_define(ECS, `m4_divert(2)debug("%sec subtype %d\n", INDENT, item->ecs);
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m4_divert(-1)')
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m4_define(RTC, `m4_divert(2)debug("%sroute table %s\n", INDENT, item->rtc->name);
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m4_divert(-1)')
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m4_define(STATIC_ATTR, `m4_divert(2)debug("%sstatic attribute %u/%u/%u\n", INDENT, item->sa.f_type, item->sa.sa_code, item->sa.readonly);
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m4_divert(-1)')
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m4_define(DYNAMIC_ATTR, `m4_divert(2)debug("%sdynamic attribute %u/%u/%u/%u\n", INDENT, item->da.type, item->da.bit, item->da.f_type, item->da.ea_code);
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m4_divert(-1)')
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m4_define(DUMP, `m4_divert(2)$1m4_divert(-1)')
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m4_m4wrap(`
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INST_FLUSH()
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m4_divert(0)DNL
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m4_undivert(1)
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default: bug( "Unknown instruction %d (%c)", item->fi_code, item->fi_code & 0xff);
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')
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m4_changequote([[,]])
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@ -112,34 +112,6 @@ val_format_str(struct filter_state *fs, struct f_val *v) {
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static struct tbf rl_runtime_err = TBF_DEFAULT_LOG_LIMITS;
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#define INDENT (((const char *) f_dump_line_indent_str) + sizeof(f_dump_line_indent_str) - (indent) - 1)
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static const char f_dump_line_indent_str[] = " ";
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static void f_dump_line(const struct f_line *dest, int indent);
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static void
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f_dump_line_item(const struct f_line_item *item, int indent)
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{
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debug("%sInstruction %s at line %u\n", INDENT, f_instruction_name(item->fi_code), item->lineno);
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switch (item->fi_code) {
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#include "filter/f-inst-dump.c"
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}
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}
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static void
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f_dump_line(const struct f_line *dest, int indent)
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{
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if (!dest) {
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debug("%sNo filter line (NULL)\n", INDENT);
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return;
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}
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debug("%sFilter line %p (len=%u)\n", INDENT, dest, dest->len);
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for (uint i=0; i<dest->len; i++)
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f_dump_line_item(&dest->items[i], indent+1);
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debug("%sFilter line %p dump done\n", INDENT, dest);
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#undef INDENT
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}
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static uint
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postfixify(struct f_line *dest, const struct f_inst *what_, uint pos)
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{
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@ -166,7 +138,7 @@ f_postfixify_concat(const struct f_inst * const inst[], uint count)
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out->len = postfixify(out, inst[i], out->len);
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#if DEBUGGING
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f_dump_line(out, 0);
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// f_dump_line(out, 0);
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#endif
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return out;
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}
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@ -27,6 +27,21 @@ enum filter_return {
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F_QUITBIRD,
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};
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static inline const char *filter_return_str(const enum filter_return fret) {
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switch (fret) {
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#define FRS(x) case x: return #x
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FRS(F_NOP);
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FRS(F_NONL);
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FRS(F_RETURN);
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FRS(F_ACCEPT);
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FRS(F_REJECT);
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FRS(F_ERROR);
|
||||
FRS(F_QUITBIRD);
|
||||
#undef FRS
|
||||
default: bug("This shall not happen");
|
||||
}
|
||||
}
|
||||
|
||||
struct f_val;
|
||||
|
||||
/* The filter encapsulating structure to be pointed-to from outside */
|
||||
|
||||
@ -72,12 +72,9 @@ ec_format(byte *buf, u64 ec)
|
||||
char tbuf[16], *kind;
|
||||
|
||||
type = ec >> 48;
|
||||
switch (type & 0xf0ff)
|
||||
{
|
||||
case EC_RT: kind = "rt"; break;
|
||||
case EC_RO: kind = "ro"; break;
|
||||
kind = ec_subtype_str(type & 0xf0ff);
|
||||
|
||||
default:
|
||||
if (!kind) {
|
||||
kind = tbuf;
|
||||
bsprintf(kind, "unknown 0x%x", type);
|
||||
}
|
||||
|
||||
@ -125,6 +125,14 @@ enum ec_subtype {
|
||||
EC_GENERIC = 0xFFFF,
|
||||
};
|
||||
|
||||
static inline const char *ec_subtype_str(const enum ec_subtype ecs) {
|
||||
switch (ecs) {
|
||||
case EC_RT: return "rt";
|
||||
case EC_RO: return "ro";
|
||||
default: return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* Transitive bit (for first u32 half of EC) */
|
||||
#define EC_TBIT 0x40000000
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user