void Interpreter::loadFunParamsInCtx(uint16_t id) {
BytecodeFunction* fun = ((BytecodeFunction*)_code->functionById(id));
uint16_t n = fun->parametersNumber();
FunctionContext* ctx = this->topContext();
//cout << "loading params: " << n << endl;
//cout << "stack size " << _stack.size() << endl;
for (uint16_t i = 0; i < n; ++i) {
VarType type = fun->parameterType(i);
switch (type) {
case VT_INT:
ctx->storeInt(ctx->getId(), i, popInt());
//cout << "int loaded from bc" << endl;
break;
case VT_DOUBLE:
ctx->storeDouble(ctx->getId(), i, popDouble());
//cout << "double loaded from bc" << endl;
break;
default:
//cout << "loading STRIG or INVALID from bc" << endl;
assert(false);
break;
}
}
}
void BytecodeVisitor::visitCallNode(CallNode *node) {
LOG_Visitor("visitCallNode");
BytecodeFunction *calledFunction = context->getFunction(node->name());
if (node->parametersNumber() != calledFunction->parametersNumber()) {
throw TranslationError("Incorrect number of parameters at calling function " + calledFunction->name(), node->position());
}
for (int32_t i = node->parametersNumber() - 1; i >= 0; --i) {
uint32_t j = (uint32_t) i;
node->parameterAt(j)->visit(this);
cast(calledFunction->parameterType(j), node, "casting call-node parameters");
}
uint16_t functionID = calledFunction->id();
bc()->addInsn(BC_CALL);
bc()->addUInt16(functionID);
topOfStackType = calledFunction->returnType();
}
void BytecodeVisitor::visitCallNode(CallNode *node) {
BytecodeFunction* bf = (BytecodeFunction*) code_->functionByName(node->name());
if (!bf) {
throw new runtime_error("Function does not exist");
}
if (node->parametersNumber() != bf->parametersNumber()) {
throw new runtime_error("Uncorrect parameters number");
}
for (size_t i = node->parametersNumber(); node->parametersNumber() > 0 && i > 0; --i) {
node->parameterAt(i-1)->visit(this);
castTos(bf->parameterType(i-1));
}
bc()->addInsn(BC_CALL);
bc()->addUInt16(bf->id());
setTosType(bf->returnType());
}