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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "node.h"
#include "tree.h"
#include "y.tab.h"
#include "pc.h"
/* parse tree funcs */
ptree* mktree(type, l, r)
int type;
ptree *l, *r;
{
ptree *t = (ptree*)malloc(sizeof(ptree));
assert(t);
t->type = type;
t->l = l;
t->r = r;
return t;
}
ptree* mkid(n)
node *n;
{
ptree *p = mktree(ID, NULL, NULL);
p->attr.nval = n;
return p;
}
ptree* mkinum(n)
int n;
{
ptree *p = mktree(INUM, NULL, NULL);
p->attr.ival = n;
return p;
}
ptree* mkrnum(n)
float n;
{
ptree *p = mktree(RNUM, NULL, NULL);
p->attr.rval = n;
return p;
}
ptree* mkop(type, sub, l, r)
int type, sub;
ptree *l, *r;
{
ptree *p = mktree(type, l, r);
p->attr.opval = sub;
return p;
}
void update_type_info(list, type)
int type;
ptree *list;
{
assert(list);
if (list->type == ID) {
list->attr.nval->var_type = type;
return;
}
while (list->r && list->r->type == ID) {
/*Set type of right child through list*/
list->r->attr.nval->var_type = type;
if (list->l) {
if (list->l->type == LIST) {
list = list->l;
continue; /*Continue down list*/
} else if (list->l->type == ID)
/*Set type of first declared ID
(only left node in LIST)*/
list->l->attr.nval->var_type = type;
}
return; /*At _end_ of list (did not continue)*/
}
}
void set_ret_type(t)
ptree *t;
{
if (!t){
return;
}
switch (t->type) {
case ADDOP:
fprintf(stderr, "[ADDOP]");
break;
case MULOP:
fprintf(stderr, "[MULOP]");
break;
case RELOP:
fprintf(stderr, "[RELOP]");
break;
case NOT:
fprintf(stderr, "[NOT]");
break;
case ARRAY_ACCESS:
fprintf(stderr, "[ARRAY ACCESS]");
break;
case LIST:
fprintf(stderr, "[LIST]");
break;
case ID:
if (t->r && t->r->attr.nval)
fprintf(stderr, "[ID: %s %s]",
t->r->attr.nval->name,
pretty_type(
t->attr.nval->var_type));
else
fprintf(stderr, "[ID: %s %s]",
t->attr.nval->name,
pretty_type(
t->attr.nval->var_type));
break;
case INUM:
fprintf(stderr, "[INUM: %d]", t->attr.ival);
break;
case RNUM:
fprintf(stderr, "[RNUM: %f]", t->attr.rval);
break;
case ASSIGNOP:
fprintf(stderr, "[ASSIGN]");
break;
default:
fprintf(stderr, "\t%d", t->type);
yyerror("Error in tree_print");
}
set_ret_type(t->l);
set_ret_type(t->r);
t->ret_type = check_ret_type(t);
return;
}
/*PRINT FUNCS*/
void print_tree(t)
ptree *t;
{
fprintf(stderr, "\n\nTREE\n"
"==========================================================\n");
aux_tree_print(t, 0);
fprintf(stderr,
"**********************************************************\n");
return;
}
void aux_tree_print(t, spaces)
ptree* t;
int spaces;
{
int i;
if ( t ) {
for (i = 0; i < spaces; i++)
fprintf(stderr," ");
switch (t->type) {
case ADDOP:
fprintf(stderr, "[ADDOP]");
break;
case MULOP:
fprintf(stderr, "[MULOP]");
break;
case RELOP:
fprintf(stderr, "[RELOP]");
break;
case NOT:
fprintf(stderr, "[NOT]");
break;
case ARRAY_ACCESS:
fprintf(stderr, "[ARRAY ACCESS]");
break;
case LIST:
fprintf(stderr, "[LIST]");
break;
case ID:
if (t->r && t->r->attr.nval)
fprintf(stderr, "[ID: %s %s]",
t->r->attr.nval->name,
pretty_type(
t->attr.nval->var_type));
else
fprintf(stderr, "[ID: %s %s]",
t->attr.nval->name,
pretty_type(
t->attr.nval->var_type));
break;
case INUM:
fprintf(stderr, "[INUM: %d]", t->attr.ival);
break;
case RNUM:
fprintf(stderr, "[RNUM: %f]", t->attr.rval);
break;
case ASSIGNOP:
fprintf(stderr, "[ASSIGN]");
break;
default:
fprintf(stderr, "\t%d", t->type);
yyerror("Error in tree_print");
}
fprintf(stderr," %d\n", t->ret_type);
aux_tree_print(t->l, spaces + 2);
fprintf(stderr,"\n");
aux_tree_print(t->r, spaces + 2);
fprintf(stderr,"\n");
}
}
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