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.
This commit is contained in:
Pavel Machek
parent
2f702671b4
commit
cb8034f42c
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@ -21,6 +21,7 @@ CF_HDR
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#include "nest/protocol.h"
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#include "nest/iface.h"
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#include "nest/route.h"
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#include <string.h>
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CF_DECLS
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@ -33,15 +34,18 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, CONST,
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LEN,
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DEFINED,
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IMPOSSIBLE,
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RTSDUMMY, RTSSTATIC, RTSINHERIT, RTSDEVICE, RTSSTATIC_DEVICE, RTSREDIRECT, RTSRIP, RTSRIP_EXT, RTSOSPF, RTSOSPF_EXT, RTSOSPF_IA, RTSOSPF_BOUNDARY, RTSBGP, RTSPIPE,
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FILTER
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)
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/* Add these to break parser and make shift/reduce conflict go away :-(
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%nonassoc ELSE
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%nonassoc THEN
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*/
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%type <x> term block cmds cmd function_body constant print_one print_list var_list var_listn any_dynamic
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%type <f> filter filter_body
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%type <i> type break_command pair
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%type <i> type break_command pair enum_rts
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%type <e> set_item set_items switch_body
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%type <v> set_atom prefix prefix_s ipa
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%type <s> decls declsn one_decl function_params
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@ -50,7 +54,7 @@ CF_GRAMMAR
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CF_ADDTO(conf, filter_def)
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filter_def:
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FILTER SYM { cf_push_scope( $2->name ); } filter_body {
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FILTER SYM { cf_push_scope( $2 ); } filter_body {
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cf_define_symbol($2, SYM_FILTER, $4);
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$4->name = $2->name;
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printf( "We have new filter defined (%s)\n", $2->name );
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@ -79,7 +83,7 @@ one_decl:
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type SYM {
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cf_define_symbol($2, SYM_VARIABLE | $1, NULL);
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printf( "New variable %s type %x\n", $2->name, $1 );
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$2->aux = NULL;
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$2->aux = 0;
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{
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struct f_val * val;
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val = cfg_alloc(sizeof(struct f_val));
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@ -94,7 +98,7 @@ one_decl:
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decls: /* EMPTY */ { $$ = NULL; }
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| one_decl ';' decls {
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$$ = $1;
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$$->aux = $3;
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$$->aux = (int) $3;
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}
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;
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@ -102,7 +106,7 @@ decls: /* EMPTY */ { $$ = NULL; }
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declsn: one_decl { $$ = $1; }
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| declsn ';' one_decl {
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$$ = $3;
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$$->aux = $1;
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$$->aux = (int) $1;
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}
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;
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@ -137,12 +141,12 @@ function_body:
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CF_ADDTO(conf, function_def)
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function_def:
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FUNCTION SYM { printf( "Begining of function %s\n", $2->name ); cf_push_scope($2->name); } function_params function_body {
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FUNCTION SYM { printf( "Begining of function %s\n", $2->name ); cf_push_scope($2); } function_params function_body {
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extern struct f_inst *startup_func;
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cf_define_symbol($2, SYM_FUNCTION, $5);
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if (!strcasecmp($2->name, "startup"))
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startup_func = $5;
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$2->aux = $4;
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$2->aux = (int) $4;
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$2->aux2 = $5;
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printf("Hmm, we've got one function here - %s\n", $2->name);
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cf_pop_scope();
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@ -227,6 +231,23 @@ switch_body: /* EMPTY */ { $$ = NULL; }
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}
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;
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enum_rts:
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RTSDUMMY { $$ = 0; }
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| RTSSTATIC { $$ = 1; }
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| RTSINHERIT { $$ = 2; }
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| RTSDEVICE { $$ = 3; }
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| RTSSTATIC_DEVICE { $$ = 4; }
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| RTSREDIRECT { $$ = 5; }
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| RTSRIP { $$ = 6; }
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| RTSRIP_EXT { $$ = 7; }
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| RTSOSPF { $$ = 8; }
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| RTSOSPF_EXT { $$ = 9; }
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| RTSOSPF_IA { $$ = 10; }
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| RTSOSPF_BOUNDARY { $$ = 11; }
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| RTSBGP { $$ = 12; }
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| RTSPIPE { $$ = 13; }
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;
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constant:
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CONST '(' expr ')' { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_INT; $$->a2.i = $3; }
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| NUM { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_INT; $$->a2.i = $1; }
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@ -237,6 +258,8 @@ constant:
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| ipa { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; }
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| prefix_s {NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; }
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| '[' 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" ); }
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| enum_rts { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_ENUM_RTS; $$->a2.i = $1; }
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;
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any_dynamic:
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@ -363,13 +386,13 @@ cmd:
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$$->code = 'ca';
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$$->a1.p = inst;
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$$->a2.p = $1->aux2;
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sym = $1->aux;
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sym = (void *) $1->aux;
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while (sym || inst) {
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if (!sym || !inst)
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cf_error("wrong number of arguments for function %s.", $1->name);
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printf( "You should pass parameter called %s\n", sym->name);
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inst->a1.p = sym;
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sym = sym->aux;
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sym = (void *) sym->aux;
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inst = inst->next;
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}
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}
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@ -97,6 +97,8 @@ void val_print(struct f_val v);
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#define T_ENUM_LO 0x30
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#define T_ENUM_HI 0x7f
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#define T_ENUM_RTS 0x30
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#define T_ENUM T_ENUM_LO ... T_ENUM_HI
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/* Bigger ones */
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