diff options
author | Pavel Machek <pavel@ucw.cz> | 1999-11-10 13:44:29 +0000 |
---|---|---|
committer | Pavel Machek <pavel@ucw.cz> | 1999-11-10 13:44:29 +0000 |
commit | cb8034f42cfaa2753152fa1d776cc618d07fedda (patch) | |
tree | c4081e222e805be699151bcbccb0ae22bab43f69 | |
parent | 2f702671b46fa2ea01021170f685f554e4012782 (diff) |
First try on enumerational types.
Mj's noassoc removed: this brings back shift/reduce conflict but
it makes parser actually work. Mj please check it. IF/THEN/ELSE still
will not work.
-rw-r--r-- | filter/config.Y | 41 | ||||
-rw-r--r-- | filter/filter.h | 2 |
2 files changed, 34 insertions, 9 deletions
diff --git a/filter/config.Y b/filter/config.Y index 8f41f443..36d6c6f3 100644 --- a/filter/config.Y +++ b/filter/config.Y @@ -21,6 +21,7 @@ CF_HDR #include "nest/protocol.h" #include "nest/iface.h" #include "nest/route.h" +#include <string.h> CF_DECLS @@ -33,15 +34,18 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, CONST, LEN, DEFINED, IMPOSSIBLE, + RTSDUMMY, RTSSTATIC, RTSINHERIT, RTSDEVICE, RTSSTATIC_DEVICE, RTSREDIRECT, RTSRIP, RTSRIP_EXT, RTSOSPF, RTSOSPF_EXT, RTSOSPF_IA, RTSOSPF_BOUNDARY, RTSBGP, RTSPIPE, FILTER ) +/* Add these to break parser and make shift/reduce conflict go away :-( %nonassoc ELSE %nonassoc THEN +*/ %type <x> term block cmds cmd function_body constant print_one print_list var_list var_listn any_dynamic %type <f> filter filter_body -%type <i> type break_command pair +%type <i> type break_command pair enum_rts %type <e> set_item set_items switch_body %type <v> set_atom prefix prefix_s ipa %type <s> decls declsn one_decl function_params @@ -50,7 +54,7 @@ CF_GRAMMAR CF_ADDTO(conf, filter_def) filter_def: - FILTER SYM { cf_push_scope( $2->name ); } filter_body { + FILTER SYM { cf_push_scope( $2 ); } filter_body { cf_define_symbol($2, SYM_FILTER, $4); $4->name = $2->name; printf( "We have new filter defined (%s)\n", $2->name ); @@ -79,7 +83,7 @@ one_decl: type SYM { cf_define_symbol($2, SYM_VARIABLE | $1, NULL); printf( "New variable %s type %x\n", $2->name, $1 ); - $2->aux = NULL; + $2->aux = 0; { struct f_val * val; val = cfg_alloc(sizeof(struct f_val)); @@ -94,7 +98,7 @@ one_decl: decls: /* EMPTY */ { $$ = NULL; } | one_decl ';' decls { $$ = $1; - $$->aux = $3; + $$->aux = (int) $3; } ; @@ -102,7 +106,7 @@ decls: /* EMPTY */ { $$ = NULL; } declsn: one_decl { $$ = $1; } | declsn ';' one_decl { $$ = $3; - $$->aux = $1; + $$->aux = (int) $1; } ; @@ -137,12 +141,12 @@ function_body: CF_ADDTO(conf, function_def) function_def: - FUNCTION SYM { printf( "Begining of function %s\n", $2->name ); cf_push_scope($2->name); } function_params function_body { + FUNCTION SYM { printf( "Begining of function %s\n", $2->name ); cf_push_scope($2); } function_params function_body { extern struct f_inst *startup_func; cf_define_symbol($2, SYM_FUNCTION, $5); if (!strcasecmp($2->name, "startup")) startup_func = $5; - $2->aux = $4; + $2->aux = (int) $4; $2->aux2 = $5; printf("Hmm, we've got one function here - %s\n", $2->name); cf_pop_scope(); @@ -227,6 +231,23 @@ switch_body: /* EMPTY */ { $$ = NULL; } } ; +enum_rts: + RTSDUMMY { $$ = 0; } + | RTSSTATIC { $$ = 1; } + | RTSINHERIT { $$ = 2; } + | RTSDEVICE { $$ = 3; } + | RTSSTATIC_DEVICE { $$ = 4; } + | RTSREDIRECT { $$ = 5; } + | RTSRIP { $$ = 6; } + | RTSRIP_EXT { $$ = 7; } + | RTSOSPF { $$ = 8; } + | RTSOSPF_EXT { $$ = 9; } + | RTSOSPF_IA { $$ = 10; } + | RTSOSPF_BOUNDARY { $$ = 11; } + | RTSBGP { $$ = 12; } + | RTSPIPE { $$ = 13; } + ; + constant: CONST '(' expr ')' { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_INT; $$->a2.i = $3; } | NUM { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_INT; $$->a2.i = $1; } @@ -237,6 +258,8 @@ constant: | ipa { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; } | prefix_s {NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; } | '[' set_items ']' { printf( "We've got a set here..." ); $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_SET; $$->a2.p = build_tree($2); printf( "ook\n" ); } + + | enum_rts { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_ENUM_RTS; $$->a2.i = $1; } ; any_dynamic: @@ -363,13 +386,13 @@ cmd: $$->code = 'ca'; $$->a1.p = inst; $$->a2.p = $1->aux2; - sym = $1->aux; + sym = (void *) $1->aux; while (sym || inst) { if (!sym || !inst) cf_error("wrong number of arguments for function %s.", $1->name); printf( "You should pass parameter called %s\n", sym->name); inst->a1.p = sym; - sym = sym->aux; + sym = (void *) sym->aux; inst = inst->next; } } diff --git a/filter/filter.h b/filter/filter.h index ebb09254..189b226b 100644 --- a/filter/filter.h +++ b/filter/filter.h @@ -97,6 +97,8 @@ void val_print(struct f_val v); #define T_ENUM_LO 0x30 #define T_ENUM_HI 0x7f +#define T_ENUM_RTS 0x30 + #define T_ENUM T_ENUM_LO ... T_ENUM_HI /* Bigger ones */ |