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