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#include "symbol.h"
#include "../data/list.h"
#include "token.h"
FuncDef*
funcdef_new(List *p_body, List *p_params, int i_nparams) {
FuncDef *p_fd = malloc(sizeof(FuncDef));
p_fd->p_body = p_body;
p_fd->p_params = p_params;
p_fd->i_nparams = i_nparams;
return (p_fd);
}
void
funcdef_delete(FuncDef *p_funcdef) {
/* list_delete only frees list/node structs, not the token pointers
* inside p_body — those tokens are GC-managed by the scanner. */
list_delete(p_funcdef->p_body);
/* Each param name was strdup'd at declaration time; free each one. */
list_iterate(p_funcdef->p_params, free);
list_delete(p_funcdef->p_params);
free(p_funcdef);
}
Symbol*
symbol_new(SymbolType sym, void *p_val) {
Symbol *p_symbol = malloc(sizeof(Symbol));
p_symbol->sym = sym;
p_symbol->p_val = p_val;
p_symbol->i_refs = 1;
return p_symbol;
}
void
symbol_delete(Symbol *p_symbol) {
if (--p_symbol->i_refs == 0) {
switch (symbol_get_sym(p_symbol)) {
case SYM_PROCEDURE:
{
List *p_list_token = symbol_get_val(p_symbol);
list_delete(p_list_token);
}
case SYM_ARRAY:
symbol_delete(symbol_get_val(p_symbol));
break;
case SYM_FUNCTION:
{
FuncDef *p_funcdef = (FuncDef*) symbol_get_val(p_symbol);
funcdef_delete(p_funcdef);
}
break;
NO_DEFAULT;
}
free(p_symbol);
}
}
void
symbol_cleanup_hash_syms_cb(void *p_void) {
symbol_delete(p_void);
}
void
symbol_print(Symbol *p_symbol, char *c_key) {
printf("%s: %s", sym_get_name(p_symbol->sym), c_key);
switch (p_symbol->sym) {
case SYM_BUILDIN:
case SYM_CONSTANT:
break;
case SYM_PROCEDURE:
case SYM_FUNCTION:
//list_iterate(symbol_get_val(p_symbol), token_print_cb);
break;
case SYM_ARRAY:
break;
case SYM_VARIABLE:
printf(" ");
token_print(symbol_get_val(p_symbol));
break;
}
printf("\n");
}
void
symbol_print_cb(void *p_void, char *c_key) {
symbol_print(p_void, c_key);
}
char*
sym_get_name(SymbolType sym) {
switch (sym) {
case SYM_CONSTANT:
return ("SYM_CONSTANT");
case SYM_ARRAY:
return ("SYM_ARRAY");
case SYM_VARIABLE:
return ("SYM_VARIABLE");
case SYM_BUILDIN:
return ("SYM_BUILDIN");
case SYM_PROCEDURE:
return ("SYM_PROCEDURE");
case SYM_FUNCTION:
return ("SYM_FUNCTION");
}
// Never reach this point
return ("NONE");
}
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