Method find

src/variables.cpp:310–336

}

int AllocVariableTable::find(const char *varName, bool allocate)
{
    /* If this variable has already been used, then we have nothing to do. */
    str_int_map::iterator var_it = variableMap.find(varName);
    if (var_it != variableMap.end()) {
        variableReferences[var_it->second]++;
        return var_it->second;
    }
    if (av_parent) {
        int ret = av_parent->find(varName, false);
        if (ret > 0) {
            return ret;
        }
    }

    if (allocate) {
        int varNum = size + 1;
        expand(varNum);
        varNum = (varNum << LEVEL_BITS) | level;
        variableMap[varName] = varNum;
        variableReferences[varNum] = 1;
        variableRevMap[varNum] = strdup(varName);
        return varNum;
    }

    return -1;
}

char *AllocVariableTable::getName(int i)
{