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#include "include/tree.h"
tree_t* tree_init(tree_type_t type, tree_t* parent) {
tree_t* tree;
tree = emalloc(sizeof(tree_t));
tree->type = type;
tree->parent = parent;
switch (tree->type) {
case TREE_TYPE_BLOCK:
tree->data.block.val = NULL;
tree->data.block.nxt = NULL;
break;
case TREE_TYPE_EXPR:
tree->data.expr.val = NULL;
break;
case TREE_TYPE_LINT:
tree->data.lint.val = 0;
break;
case TREE_TYPE_LSTR:
tree->data.lstr.val = NULL;
tree->data.lstr.len = 0;
break;
case TREE_TYPE_TAG:
tree->data.tag.val = NULL;
tree->data.tag.nxt = NULL;
break;
case TREE_TYPE_DARG:
tree->data.darg.tag = NULL;
tree->data.darg.nxt = NULL;
break;
case TREE_TYPE_CARG:
tree->data.carg.val = NULL;
tree->data.carg.nxt = NULL;
break;
case TREE_TYPE_DEF:
tree->data.def.tag = NULL;
tree->data.def.arg = NULL;
tree->data.def.val = NULL;
break;
case TREE_TYPE_CALL:
tree->data.call.target = NULL;
tree->data.call.arg = NULL;
break;
}
return tree;
}
void tree_destroy(tree_t* tree) {
if (!tree) { return; }
switch (tree->type) {
case TREE_TYPE_BLOCK:
tree_destroy(tree->data.block.val);
tree_destroy(tree->data.block.nxt);
break;
case TREE_TYPE_EXPR:
tree_destroy(tree->data.expr.val);
break;
case TREE_TYPE_LINT:
break;
case TREE_TYPE_LSTR:
free(tree->data.lstr.val);
break;
case TREE_TYPE_TAG:
free(tree->data.tag.val);
tree_destroy(tree->data.tag.nxt);
break;
case TREE_TYPE_DARG:
tree_destroy(tree->data.darg.tag);
tree_destroy(tree->data.darg.nxt);
break;
case TREE_TYPE_CARG:
tree_destroy(tree->data.carg.val);
tree_destroy(tree->data.carg.nxt);
break;
case TREE_TYPE_DEF:
tree_destroy(tree->data.def.tag);
tree_destroy(tree->data.def.arg);
tree_destroy(tree->data.def.val);
break;
case TREE_TYPE_CALL:
free(tree->data.call.target);
tree_destroy(tree->data.call.arg);
break;
}
free(tree);
}
int tree_cmp(tree_t* tree_0, tree_t* tree_1) {
if ((tree_0 && !tree_1) || (!tree_0 && tree_1)) { return 0; } /* Only 1 is defined (failure). */
if (!tree_0 && !tree_1) { return 1; } /* Both are undefined (success). */
if (tree_0->type != tree_1->type) { return 0; } /* Types do not match (failure). */
switch (tree_0->type) {
case TREE_TYPE_BLOCK:
return tree_cmp(tree_0->data.block.val, tree_1->data.block.val) &&
tree_cmp(tree_0->data.block.nxt, tree_1->data.block.nxt);
break;
case TREE_TYPE_EXPR:
return tree_cmp(tree_0->data.expr.val, tree_1->data.expr.val);
break;
case TREE_TYPE_LINT:
return tree_0->data.lint.val == tree_1->data.lint.val;
break;
case TREE_TYPE_LSTR:
return strcmp(tree_0->data.lstr.val, tree_1->data.lstr.val) == 0;
break;
case TREE_TYPE_TAG:
return (strcmp(tree_0->data.tag.val, tree_1->data.tag.val) == 0) &&
tree_cmp(tree_0->data.tag.nxt, tree_1->data.tag.nxt);
break;
case TREE_TYPE_DARG:
return tree_cmp(tree_0->data.darg.tag, tree_1->data.darg.tag) &&
tree_cmp(tree_0->data.darg.nxt, tree_1->data.darg.nxt);
break;
case TREE_TYPE_CARG:
return tree_cmp(tree_0->data.carg.val, tree_1->data.carg.val) &&
tree_cmp(tree_0->data.carg.nxt, tree_1->data.carg.nxt);
break;
case TREE_TYPE_DEF:
return tree_cmp(tree_0->data.def.tag, tree_1->data.def.tag) &&
tree_cmp(tree_0->data.def.arg, tree_1->data.def.arg) &&
tree_cmp(tree_0->data.def.val, tree_1->data.def.val);
break;
case TREE_TYPE_CALL:
return (strcmp(tree_0->data.call.target, tree_1->data.call.target) == 0) &&
tree_cmp(tree_0->data.call.arg, tree_1->data.call.arg);
break;
default:
LOG_WAR("Unknown tree type.");
}
return 0;
}
/*
Every time I think there's a problem with the parser, it turns out it's
just this stupid tree print function. Now it works. Never touching it
again. Ever.
*/
#pragma GCC diagnostic ignored "-Wunused-value"
#pragma GCC diagnostic ignored "-Wmisleading-indentation"
void tree_print(tree_t* tree, int nest) {
char*sp;int nc, i;char*c;char*bc;for(i
=0,sp=ecalloc(nest+1,sizeof(char)),sp[
nest]='\0';i<=nest-1;sp[i++]=' ');nc=0
+0x1f+nest%6;c=malloc(9*sizeof(char));
;bc=malloc(11*sizeof(char));sprintf(c,
"\x1b[%dm",nc);sprintf(bc,"\x1b[%d;1m"
,nc);NULL;NULL;0x0;0;0;0;0;NULL;0x0;0;
#define NEST0(T)LOG_RAWF("%s%s"T"\x1b"\
"[0m -> %d\n",bc,sp,tree->parent?tree->parent->type:-1)
#define NEST1(T)LOG_RAWF("%s%s"T"\x1b"\
"""""""""""""""""""""""""[0m\n",c,sp);
#define NEST2(T)LOG_RAWF("%s \x1b[39;"\
"""""""""""""""49;4m%s\x1b[0m\n",sp,T)
#define NEST3(T)LOG_RAWF("%s \x1b[39;"\
"""""""""""""""49;4m%d\x1b[0m\n",sp,T)
if (!tree) { NEST2("NULL"); goto end;}
switch (tree->type) {
case TREE_TYPE_BLOCK:
NEST0("[block]");
NEST1("val:");
tree_print(tree->data.block.val, nest + 1);
NEST1("nxt:");
tree_print(tree->data.block.nxt, nest + 1);
break;
case TREE_TYPE_EXPR:
NEST0("[expression]");
NEST1("val:");
tree_print(tree->data.expr.val, nest + 1);
break;
case TREE_TYPE_LINT:
NEST0("[lint]");
NEST1("val:");
NEST3(tree->data.lint.val);
break;
case TREE_TYPE_LSTR:
NEST0("[lstr]");
NEST1("val:");
NEST2(tree->data.lstr.val);
NEST1("len:");
NEST3(tree->data.lstr.len);
break;
case TREE_TYPE_CALL:
NEST0("[call]");
NEST1("target:");
NEST2(tree->data.call.target);
NEST1("arg:")
tree_print(tree->data.call.arg, nest + 1);
break;
case TREE_TYPE_CARG:
NEST0("[carg]");
NEST1("val:");
tree_print(tree->data.carg.val, nest + 1);
NEST1("nxt:");
tree_print(tree->data.carg.nxt, nest + 1);
break;
case TREE_TYPE_DEF:
NEST0("[def]");
NEST1("tag:");
tree_print(tree->data.def.tag, nest + 1);
NEST1("arg:");
tree_print(tree->data.def.arg, nest + 1);
NEST1("val:");
tree_print(tree->data.def.val, nest + 1);
break;
case TREE_TYPE_TAG:
NEST0("[tag]");
NEST1("val:");
NEST2(tree->data.call.target);
NEST1("nxt:");
tree_print(tree->data.tag.nxt, nest + 1);
break;
case TREE_TYPE_DARG:
NEST0("[darg]");
NEST1("tag:");
tree_print(tree->data.darg.tag, nest + 1);
NEST1("nxt:");
tree_print(tree->data.darg.nxt, nest + 1);
break;
default:
LOG_ERRF("%d", __LINE__);
}
end:
free(sp);
free(c);
free(bc);
return;
}
#pragma GCC diagnostic warning "-Wunused-value"
#pragma GCC diagnostic warning "-Wmisleading-indentation"
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