#include <string.h>
#include "SymTable.h"

SymTable::~SymTable(void)
{
    SymTbPtr tb;

    for (int i = 0; i < symtb_index; i++) {
	tb = &symtb[i];
	delete [] tb->sym;
    }

    delete [] symtb;
}

void
SymTable::init(void)
{
    symtb = new SymTb[SYM_MAX_SIZE];
    symtb_index = 0;
}

void
SymTable::set_symbol(const char *sym, FuncObject addr)
{
    SymTbPtr tb = &symtb[symtb_index++];

    tb->sym = new char[strlen(sym)+1];
    memcpy(tb->sym, sym, strlen(sym)+1);
    tb->address = addr;
}

void
SymTable::set_func(int id, FuncObject addr)
{
     SymTbPtr tb = &symtb[id];

     tb->address = addr;
}

SymTable::FuncObject
SymTable::get_address(int fd)
{
    if (fd >= symtb_index) {
	// Fix me
	// error process
    }

    return symtb[fd].address;
}


int
SymTable::get_fd(const char *sym)
{
    SymTbPtr tb;

    for (int i = 0; i < SYM_MAX_SIZE; i++) {
	tb = &symtb[i];
	if (strcmp(tb->sym, sym) == 0) {
	    return i;
	}
    }

    return -1;
}