static void loadVarImpl(const AstVar* var, uint16_t localId, uint16_t context, Bytecode* bc, AstNode* at) {
VarType type = var->type();
if (!isNumeric(type)) {
throw TranslationException(at, "Wrong var reference type (only numbers are supported)");
}
loadVar(type, localId, context, bc);
}
AstVar* findVariable(const std::string& name, Scope* scope, AstNode* at) {
AstVar* var = scope->lookupVariable(name);
if (!var) {
throw TranslationException(at, "Variable '%s' is not defined", name.c_str());
}
return var;
}
AstFunction* findFunction(const std::string& name, Scope* scope, AstNode* at) {
AstFunction* function = scope->lookupFunction(name);
if (!function) {
throw TranslationException(at, "Function '%s' is not defined", name.c_str());
}
return function;
}
void castImpl(VarType from, VarType to, Bytecode* bc, AstNode* node) {
if (from == VT_DOUBLE && to == VT_INT) {
bc->addInsn(BC_D2I);
} else if (from == VT_INT && to == VT_DOUBLE) {
bc->addInsn(BC_I2D);
} else if (from != to) {
throw TranslationException(node, "Illegal type: expected -- %s, actual -- %s",
typeToName(to), typeToName(from));
}
}
size_t Translator::ReadFirstElement( const char* pszelem,
const tinyxml2::XMLElement& container,
bool bRequired, size_t iDefault)
{
const XMLElement* pchild = container.FirstChildElement(pszelem);
if( pchild == NULL)
{
if( !bRequired)
return iDefault;
else
{
char buff[256];
sprintf( "Cannot find required unsigned integer element %s in container %s", pszelem, container.Name());
throw TranslationException(buff);
}
}
else
{
return atol( pchild->GetText());
}
}
bool Translator::ReadFirstElement( const char* pszelem,
const tinyxml2::XMLElement& container,
bool bRequired, bool bDefault)
{
const XMLElement* pchild = container.FirstChildElement(pszelem);
if( pchild == NULL)
{
if( !bRequired)
return bDefault;
else
{
char buff[256];
sprintf( "Cannot find required boolean element %s in container %s", pszelem, container.Name());
throw TranslationException(buff);
}
}
else
{
return (strcmp( pchild->GetText(),"false")==0);
}
}