void ExprCompiler::write(int line, OpCode op, int a, int b, int c)
{
ASSERT_INDEX(a, 256);
ASSERT_INDEX(b, 256);
ASSERT_INDEX(c, 256);
chunk_->write(currentFile_, line, MAKE_ABC(a, b, c, op));
}
temp<String> String::substring(int start, int end) const
{
ASSERT_INDEX(start, length());
ASSERT_INDEX(end, length() + 1); // End is past the last character.
ASSERT(start <= end, "Start must come before end.");
return create(&chars_[start], end - start);
}
void VM::bindClass(const char* module, CoreClass core, const char* name)
{
ASSERT_INDEX(core, CLASS_MAX);
ASSERT(coreClasses_[core].isNull(), "Class is already bound.");
Module* moduleObj = findModule(module);
ASSERT_NOT_NULL(moduleObj);
gc<Object> value = moduleObj->getVariable(name);
ASSERT(!value.isNull(), "Could not find variable.");
coreClasses_[core] = asClass(value);
}
gc<ClassObject> VM::getClass(CoreClass core)
{
ASSERT_INDEX(core, CLASS_MAX);
ASSERT(!coreClasses_[core].isNull(), "Class has not been bound yet.");
return coreClasses_[core];
}
gc<String> VM::getSymbol(symbolId symbol) const
{
ASSERT_INDEX(symbol, symbols_.count());
return symbols_[symbol];
}
const char String::operator [](int index) const
{
ASSERT_INDEX(index, length() + 1); // Allow accessing the terminator.
return chars_[index];
}
