cx_int16 Fast_Member_resolveMember(Fast_Member _this, cx_type type, cx_string member) {
cx_object o = NULL;
if (cx_instanceof(cx_type(cx_interface_o), type) && !strcmp(member, "super")) {
if (cx_interface(type)->base) {
_this->member = NULL;
cx_set(&Fast_Expression(_this)->type, cx_interface(type)->base);
} else {
cx_id id;
Fast_Parser_error(yparser(), "type '%s' has no base", Fast_Parser_id(type, id));
goto error;
}
} else {
if (cx_instanceof(cx_type(cx_interface_o), type)) {
o = cx_interface_resolveMember(cx_interface(type), member);
}
if (!o) {
/* If no members are found for name, look for methods */
o = cx_type_resolveProcedure(type, member);
if (!o) {
cx_id id;
Fast_Parser_error(yparser(), "unresolved member '%s' for type '%s'", member, Fast_Parser_id(type, id));
goto error;
}
cx_set(&Fast_Expression(_this)->type, cx_function(o)->returnType);
} else {
cx_set(&Fast_Expression(_this)->type, cx_member(o)->type);
}
_this->member = o; cx_keep_ext(_this, o, "Keep object for member-expression");
}
return 0;
error:
return -1;
}
/* ::cortex::lang::type::resolveProcedure(string name) */
cx_function cx_type_resolveProcedure(cx_type _this, cx_string name) {
/* $begin(::cortex::lang::type::resolveProcedure) */
cx_function result = NULL;
/* If type is an interface, try first to resolve a method on the interface */
if (cx_instanceof((cx_type)cx_interface_o, _this)) {
result = (cx_function)cx_interface_resolveMethod(cx_interface(_this), name);
}
/* If no method is found or type is not an interface, resolve metaprocedure */
if (!result) {
cx_function *f;
cx_int32 d = 0, prevD = 9999;
cx_class metaclass = cx_class(cx_typeof(_this));
/* Walk inheritance of metaclass to find metaprocedure */
do {
if ((f = cx_vtableLookup(&cx_type(metaclass)->metaprocedures, name, NULL, &d))) {
if (d < prevD) {
result = *f;
prevD = d;
}
}
metaclass = cx_class(cx_interface(metaclass)->base);
}while(metaclass && !result);
}
return result;
/* $end */
}
/* ::cortex::Fast::StaticInitializer::define() */
cx_int16 Fast_StaticInitializer_define(Fast_StaticInitializer _this) {
/* $begin(::cortex::Fast::StaticInitializer::define) */
cx_uint32 variable;
cx_object o;
/* Types are defined during 1st pass. All other objects are defined when a program starts. Defining types
* at compile-time is required to do validity checking while parsing. On the other hand, objects cannot be
* defined at compile-time because class constructors\destructors are not yet defined at that point. This
* would cause object creation\destruction without calling the appropriate constructors\destructors.
*/
for(variable=0; variable<Fast_Initializer(_this)->variableCount; variable++) {
o = (cx_object)Fast_Object(Fast_Initializer(_this)->variables[variable].object)->value;
if (cx_instanceof(cx_type(cx_type_o), o)
|| (cx_checkAttr(o, CX_ATTR_SCOPED) && cx_instanceof(cx_type(cx_type_o), cx_parentof(o)))) {
if (cx_define(o)) {
cx_id id1, id2;
Fast_Parser_error(yparser(), "define of variable '%s' of type '%s' failed",
Fast_Parser_id(o, id1),
Fast_Parser_id(cx_typeof(o), id2));
goto error;
}
} else {
Fast_Expression refVar = Fast_Expression(Fast_Object__create(o));
refVar->isReference = TRUE; /* Always treat object as reference */
Fast_Define defineStmt = Fast_Define__create(refVar);
Fast_Parser_addStatement(yparser(), Fast_Node(defineStmt));
Fast_Parser_collect(yparser(), defineStmt);
Fast_Parser_collect(yparser(), refVar);
}
}
Fast_Initializer_define_v(Fast_Initializer(_this));
return 0;
error:
return -1;
/* $end */
}
/* ::cortex::ic::program::add(node n) */
cx_void ic_program_add(ic_program _this, ic_node n) {
/* $begin(::cortex::ic::program::add) */
if (n->kind == IC_OP) {
if (!ic_op_validate(ic_op(n))) {
_this->errors++;
}
}
if (cx_instanceof(cx_type(ic_storage_o), n)) {
ic_node_list__append(_this->scope->storages, n);
} else {
ic_node_list__append(_this->scope->program, n);
}
/* $end */
}
/* ::cortex::Fast::Member::toIc(ic::program program,ic::storage storage,bool stored) */
ic_node Fast_Member_toIc_v(Fast_Member _this, ic_program program, ic_storage storage, cx_bool stored) {
/* $begin(::cortex::Fast::Member::toIc) */
ic_member result = NULL;
cx_member member;
ic_node lvalue;
CX_UNUSED(stored);
CX_UNUSED(storage);
/* Get lvalue & rvalue */
lvalue = Fast_Node_toIc(Fast_Node(_this->lvalue), program, NULL, FALSE);
if (Fast_Node(_this->rvalue)->kind == Fast_LiteralExpr) {
if (Fast_Literal(_this->rvalue)->kind == Fast_Text) {
cx_type t = Fast_Expression_getType(_this->lvalue);
if (cx_instanceof(cx_type(cx_interface_o), t)) {
cx_interface baseType = cx_interface(t);
member = cx_interface_resolveMember(baseType, Fast_String(_this->rvalue)->value);
} else {
cx_id id;
Fast_Parser_error(yparser(), "cannot resolve members on non-interface type '%s'", Fast_Parser_id(t, id));
goto error;
}
} else {
Fast_Parser_error(yparser(), "dynamic resolving of members not yet supported.");
goto error;
}
} else {
Fast_Parser_error(yparser(), "dynamic resolving of members not yet supported.");
goto error;
}
if (member) {
result = ic_program_getMember(program, ic_storage(lvalue), member);
}
return (ic_node)result;
error:
return NULL;
/* $end */
}
/* ::cortex::web::SockJsServer::poll() */
cx_void web_SockJsServer_poll(web_SockJsServer _this) {
/* $begin(::cortex::web::SockJsServer::poll) */
struct mg_server *server = (struct mg_server *)_this->server;
mg_poll_server(server, _this->pollTimemoutMillis);
_this->timeElapsed += _this->pollTimemoutMillis;
/* Send heartbeats for all live connections every n seconds */
if (_this->timeElapsed >= (WEB_SOCKJSSERVER_DEFAULT_HEARTBEAT_TIMEOUT * 1000)) {
cx_ll scope = cx_scopeClaim(_this);
cx_iter iter = cx_llIter(scope);
while (cx_iterHasNext(&iter)) {
cx_object o = cx_iterNext(&iter);
if (cx_instanceof(cx_type(web_SockJsServer_Connection_o), o)) {
web_SockJsServer_Connection c = web_SockJsServer_Connection(o);
mg_websocket_printf((struct mg_connection *)c->conn, WEBSOCKET_OPCODE_TEXT, "h");
}
}
cx_scopeRelease(scope);
_this->timeElapsed = 0;
}
/* $end */
}
/* ::cortex::lang::struct::construct() */
cx_int16 cx_struct_construct(cx_struct _this) {
/* $begin(::cortex::lang::struct::construct) */
cx_struct base;
cx_uint16 alignment;
cx_uint32 size;
size = 0;
alignment = 0;
/* Insert members */
if (cx__interface_insertMembers(cx_interface(_this))) {
goto error;
}
/* Calculate alignment of self */
if (cx_interface(_this)->members.length) {
alignment = cx__interface_calculateAlignment(cx_interface(_this));
if (!alignment) {
cx_id id;
cx_error("error in definition of '%s'", cx_fullname(_this, id));
goto error;
}
}
/* Check if struct inherits from another struct */
base = (cx_struct)cx_interface(_this)->base;
/* Get maximum alignment from self and base-class and copy template parameters */
if (base) {
if (!cx_instanceof(cx_type(cx_struct_o), base)) {
cx_id id, id2;
cx_error("struct '%s' inherits from non-struct type '%s'", cx_fullname(_this, id), cx_fullname(base, id2));
goto error;
}
if (cx_type(base)->alignment) {
if (alignment < cx_type(base)->alignment) {
alignment = cx_type(base)->alignment;
}
}
}
/* Set alignment of self */
cx_type(_this)->alignment = alignment;
/* Get size of base-class */
if (base) {
size = cx_type(base)->size;
if (cx_type(base)->hasResources) {
cx_type(_this)->hasResources = TRUE;
}
}
/* Calculate size of self */
if (cx_interface(_this)->members.length) {
size = cx__interface_calculateSize(cx_interface(_this), size);
if (!size) {
cx_id id;
cx_error("error in definition of '%s'", cx_fullname(_this, id));
goto error;
}
}
/* Set size of self */
cx_type(_this)->size = size;
return cx_interface_construct(cx_interface(_this));
error:
return -1;
/* $end */
}
/* ::cortex::Fast::Expression::cast(type type,bool isReference) */
Fast_Expression Fast_Expression_cast(Fast_Expression _this, cx_type type, cx_bool isReference) {
/* $begin(::cortex::Fast::Expression::cast) */
cx_type exprType, refType;
Fast_Expression result = NULL;
cx_bool castRequired = TRUE;
cx_assert(type != NULL, "cannot cast to unknown type NULL");
exprType = Fast_Expression_getType(_this);
if((_this->deref == Fast_ByReference) && !isReference && !exprType->reference) {
refType = cx_object_o;
} else {
refType = exprType;
}
/* If types are different, cast */
if (refType != type) {
if (!exprType) {
/* If expression is an untyped initializer, create an anonymous variable of the destination type
* and assign it to the initializer. */
if(Fast_Node(_this)->kind == Fast_InitializerExpr) {
Fast_Expression local = Fast_Expression(Fast_Temporary__create(type, FALSE));
Fast_InitializerExpression_insert(Fast_InitializerExpression(_this), local);
result = local;
castRequired = TRUE;
}else {
castRequired = FALSE;
}
} else if (cx_type_castable(type, refType)) {
void *value = NULL;
/* If expression is a literal or constant create new literal of right type */
value = (void*)Fast_Expression_getValue(_this);
if (value) {
if (type->reference && (Fast_Node(_this)->kind == Fast_LiteralExpr)) {
/* If destination type is a reference and the literal is a string this results
* in a resolve at run-time. */
switch(Fast_Literal(_this)->kind) {
case Fast_Text:
break;
case Fast_Nothing:
/* No cast required */
break;
default: {
cx_id id1, id2;
/* Invalid cast */
Fast_Parser_error(yparser(), "cannot cast from '%s' to '%s'", Fast_Parser_id(exprType, id1), Fast_Parser_id(type, id2));
break;
}
}
}
/* Create literal expressions based on destination type */
switch(cx_primitive(type)->kind) {
case CX_BOOLEAN: {
cx_bool dstValue = FALSE;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_bool_o), &dstValue);
result = Fast_Expression(Fast_Boolean__create(dstValue));
break;
}
case CX_CHARACTER: {
cx_char dstValue;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_char_o), &dstValue);
result = Fast_Expression(Fast_Character__create(dstValue));
break;
}
case CX_BINARY:
case CX_UINTEGER: {
cx_uint64 dstValue;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_uint64_o), &dstValue);
result = Fast_Expression(Fast_Integer__create(dstValue));
break;
}
case CX_INTEGER: {
cx_int64 dstValue;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_int64_o), &dstValue);
result = Fast_Expression(Fast_SignedInteger__create(dstValue));
break;
}
case CX_FLOAT: {
cx_float64 dstValue;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_float64_o), &dstValue);
result = Fast_Expression(Fast_FloatingPoint__create(dstValue));
break;
}
case CX_TEXT: {
cx_string dstValue;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_string_o), &dstValue);
result = Fast_Expression(Fast_String__create(dstValue));
break;
}
case CX_ENUM:
case CX_BITMASK: {
cx_int32 dstValue;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_int32_o), &dstValue);
result = Fast_Expression(Fast_SignedInteger__create(dstValue));
break;
}
case CX_ALIAS: {
cx_int32 dstValue;
cx_convert(cx_primitive(exprType), value, cx_primitive(cx_word_o), &dstValue);
result = Fast_Expression(Fast_SignedInteger__create(dstValue));
break;
}
}
if (result){
cx_set_ext(result, &Fast_Expression(result)->type, type, "Set correct type after cast");
}
} else {
/* TODO: This functionality must be pushed down to the assembler. For all this function is concerned a cast
should only be required when a type is a) castable and b) not compatible. */
/* If both types are primitive make sure that no cast is inserted for primitives
* of the same kind or 'score' to the same width */
if ((refType->kind == CX_PRIMITIVE) &&
(type->kind == CX_PRIMITIVE) &&
(Fast_Expression_getCastScore(cx_primitive(refType)) ==
Fast_Expression_getCastScore(cx_primitive(type)))) {
if (cx_primitive(exprType)->width != cx_primitive(type)->width) {
result = Fast_Expression(Fast_Cast__create(type, _this, isReference));
} else {
/* Types have the same width, so no cast required */
castRequired = FALSE;
}
/* Interface-downcasting doesn't require an explicit cast */
} else if (!cx_instanceof(cx_type(cx_interface_o), type)) {
result = Fast_Expression(Fast_Cast__create(type, _this, isReference));
} else {
castRequired = FALSE;
}
}
/* If object is a reference and targetType is string, insert toString operation */
} else /*if (_this->isReference || Fast_Expression_getType(_this)->reference)*/ {
if ((type->kind == CX_PRIMITIVE) && (cx_primitive(type)->kind == CX_TEXT)) {
/* Create call-expression */
result = Fast_Expression(Fast_createCallWithArguments(_this, "toString", NULL));
if (!result) {
goto error;
}
cx_keep(result);
/* If type is of a generic reference type, accept any reference without cast */
} else if (type->kind == CX_VOID && type->reference) {
castRequired = FALSE;
/* If assigning to a generic reference, insert cast */
} else if (exprType->kind == CX_VOID && exprType->reference && isReference) {
result = Fast_Expression(Fast_Cast__create(type, _this, isReference));
}
}
} else {
castRequired = FALSE;
}
if (result && castRequired) {
Fast_Parser_collect(yparser(), result);
} else {
if (castRequired) {
cx_id id1, id2;
Fast_Parser_error(yparser(), "no conversion from '%s' to '%s'",
Fast_Parser_id(exprType, id1),
Fast_Parser_id(type, id2));
}
}
return result;
error:
return NULL;
/* $end */
}
/* ::cortex::lang::type::instanceof(type type) */
cx_bool cx_type_instanceof(cx_any _this, cx_type type) {
/* $begin(::cortex::lang::type::instanceof) */
return cx_instanceof(type, _this.value);
/* $end */
}
