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%{
#include "config.h"
#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include <assert.h>
#include "config-stack.h"
extern int yylex (void);
int yyerror(const char *foo);
int
_sc_value_add(char *id, char *val, struct value **list)
{
struct value *v;
v = malloc(sizeof(*v));
assert(v);
memset(v, 0, sizeof(*v));
v->id = id;
v->val = val;
//snprintf(v->id, sizeof(v->id), "%s", id);
//snprintf(v->val, sizeof(v->val), "%s", val);
//printf("add %s %s on to %p\n", id, val, *list);
v->next = *list;
*list = v;
//printf("new list %p\n", *list);
return 0;
}
int
_sc_node_add(char *id, char *val, struct value *vallist,
struct node *nodelist, struct node **list)
{
struct node *n;
n = malloc(sizeof(*n));
assert(n);
//printf("nodes %p values %p\n", nodelist, vallist);
memset(n, 0, sizeof(*n));
//snprintf(n->id, sizeof(n->id), "%s", id);
n->id = id; /* malloc'd during parsing */
n->val = val; /* malloc'd during parsing */
n->values = vallist;
n->nodes = nodelist;
n->next = *list;
*list = n;
return 0;
}
%}
%token <sval> T_ID
%token <sval> T_VAL
%token T_OBRACE T_CBRACE T_EQ T_SEMI
%start stuff
%union {
char *sval;
int ival;
}
%%
node:
T_ID T_OBRACE stuff T_CBRACE {
struct parser_context *c = NULL;
c = context_stack;
_sc_node_add($1, NULL, val_list, node_list, &c->node_list);
val_list = c->val_list;
node_list = c->node_list;
context_stack = c->next;
free(c);
}
|
T_ID T_EQ T_VAL T_OBRACE stuff T_CBRACE {
struct parser_context *c = NULL;
c = context_stack;
_sc_node_add($1, $3, val_list, node_list, &c->node_list);
val_list = c->val_list;
node_list = c->node_list;
context_stack = c->next;
free(c);
}
|
T_ID T_OBRACE T_CBRACE {
struct parser_context *c = NULL;
c = context_stack;
_sc_node_add($1, NULL, val_list, node_list, &c->node_list);
val_list = c->val_list;
node_list = c->node_list;
context_stack = c->next;
free(c);
}
|
T_ID T_EQ T_VAL T_OBRACE T_CBRACE {
struct parser_context *c = NULL;
c = context_stack;
_sc_node_add($1, $3, val_list, node_list, &c->node_list);
val_list = c->val_list;
node_list = c->node_list;
context_stack = c->next;
free(c);
}
;
stuff:
node stuff | assign stuff | node | assign
;
assign:
T_ID T_EQ T_VAL T_SEMI {
_sc_value_add($1, $3, &val_list);
}
;
%%
extern int _line_count;
int
yyerror(const char *foo)
{
printf("%s on line %d\n", foo, _line_count);
return 0;
}

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config.y (2 KB)

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