bool _corto_delegate_compatible(
corto_delegate _this,
corto_type type)
{
static corto_uint32 _methodId;
corto_method _method;
bool _result;
corto_interface _abstract;
_abstract = corto_interface(corto_typeof(_this));
/* Determine methodId once, then cache it for subsequent calls. */
if (!_methodId) {
_methodId = corto_interface_resolveMethodId(_abstract, "compatible(type type)");
}
corto_assert(_methodId, "virtual 'compatible(type type)' not found in '%s'%s%s", corto_fullpath(NULL, _abstract), corto_lasterr() ? ": " : "", corto_lasterr() ? corto_lasterr() : "");
/* Lookup method-object. */
_method = corto_interface_resolveMethodById(_abstract, _methodId);
corto_assert(_method != NULL, "unresolved method '%s::compatible(type type)@%d'", corto_idof(_this), _methodId);
if (corto_function(_method)->kind == CORTO_PROCEDURE_CDECL) {
_result = ((bool ___ (*)(corto_object, corto_type))((corto_function)_method)->fptr)(_this, type);
} else {
corto_call(corto_function(_method), &_result, _this, type);
}
return _result;
}
corto_int16 cpp_fluentTemplDecl(corto_type type, char *base, cpp_classWalk_t *data) {
corto_id id;
g_oid(data->g, type, id);
g_fileWrite(data->header, "// Helper class that sets members and enables inheritance for factories\n");
g_fileWrite(data->header, "template <class T>\n");
g_fileWrite(data->header, "class %s_v : public %s_v<T>\n", id, base);
g_fileWrite(data->header, "{\n");
g_fileWrite(data->header, "public:\n");
g_fileIndent(data->header);
g_fileWrite(data->header, "%s_v(T& _this, void *ptr) : %s_v<T>(_this, ptr) { }\n", id, base);
if (corto_instanceof(corto_interface_o, type) && corto_interface(type)->base) {
g_fileWrite(data->header, "%s_v<T> super() ", base);
g_fileWrite(data->header, "{ return %s_v<T>(this->m_this, this->ptr); }\n", base);
}
if (cpp_fluent_walkMembers(type, data)) {
goto error;
}
g_fileDedent(data->header);
g_fileWrite(data->header, "};\n");
g_fileWrite(data->header, "\n");
return 0;
error:
return -1;
}
/* Create a class that mounts fibonacci numbers in corto */
corto_class createFiboClass(void) {
corto_class FiboClass = corto_declareChild(root_o, "FiboConnector", corto_class_o);
if (!FiboClass) {
goto error;
}
/* Inherit from the corto mount class */
corto_setref(&corto_interface(FiboClass)->base, corto_mount_o);
/* Create onNotify method (called when the mount receives an update) */
corto_method onRequestMethod = corto_declareChild(
FiboClass,
"onRequest(core/request request)",
corto_method_o);
if (!onRequestMethod) {
goto error;
}
corto_function(onRequestMethod)->kind = CORTO_PROCEDURE_CDECL;
corto_function(onRequestMethod)->fptr = (corto_word)onRequest;
if (corto_define(onRequestMethod)) {
goto error;
}
/* Finalize class */
if (corto_define(FiboClass)) {
goto error;
}
return FiboClass;
error:
return NULL;
}
corto_int16 corto_value_memberExpr(corto_value *val, corto_string member, corto_value *out) {
corto_type t = corto_value_typeof(val);
corto_object o = corto_value_objectof(val);
void *ptr = corto_value_ptrof(val);
corto_id tokens;
strncpy(tokens, member, sizeof(corto_id));
char *cur = tokens, *prev = tokens;
do {
if (cur && (cur = strchr(cur + 1, '.'))) *cur = '\0';
if (!corto_instanceof(corto_interface_o, t)) {
corto_seterr(
"cannot get member from a non-composite value (type is '%s')",
corto_fullpath(NULL, t));
goto error;
}
if (!strcmp(prev, "super")) {
if (!(t = (corto_type)corto_interface(t)->base)) {
corto_seterr("super unpexpected: interface '%s' does not have a base",
corto_fullpath(NULL, t));
goto error;
} else {
*out = corto_value_base(ptr, t);
}
} else {
corto_member m = corto_interface_resolveMember(t, prev);
if (!m) {
corto_seterr(
"unresolved member '%s' in type '%s'",
prev,
corto_fullpath(NULL, t));
goto error;
}
ptr = CORTO_OFFSET(ptr, m->offset);
t = m->type;
*out = corto_value_member(o, m, ptr);
}
prev = cur + 1;
} while (cur);
return 0;
error:
return -1;
}
corto_int16 _corto_delegate_bind(corto_function object) {
/* $begin(::corto::lang::delegate::bind) */
corto_object parent = corto_parentof(object);
if (corto_class_instanceof(corto_interface_o, corto_typeof(parent))) {
corto_interface type = corto_interface(corto_typeof(parent));
corto_id functionName;
corto_member m = NULL;
/* Get function name, lookup delegate, assign function */
corto_signatureName(corto_nameof(object), functionName);
if (corto_checkState(corto_type_o, CORTO_DEFINED) && (m = corto_interface_resolveMember(type, functionName)) &&
(m->type->kind == CORTO_COMPOSITE) && (corto_interface(m->type)->kind == CORTO_DELEGATE)) {
if (corto_delegate_instanceof(corto_delegate(m->type), object)) {
/* Bind instance of function is a method */
if (corto_procedure(corto_typeof(object))->kind == CORTO_METHOD) {
corto_setref(&((corto_delegatedata *) CORTO_OFFSET(parent, m->offset))->instance, parent);
}
/* Bind procedure */
corto_setref(&((corto_delegatedata *) CORTO_OFFSET(parent, m->offset))->procedure, object);
} else {
/* If there is a member that corresponds to a delegate but has a non matching
* signature, always report error */
corto_id id1, id2;
corto_error("member '%s' of delegate type '%s' does not match signature of '%s'",
corto_nameof(m), corto_fullname(m->type, id1), corto_fullname(object, id2));
goto error;
}
}
}
return 0;
error:
return -1;
/* $end */
}
/* Compare composites */
static corto_int16 corto_ser_composite(corto_walk_opt* s, corto_value *info, void* userData) {
corto_compare_ser_t *data = userData;
corto_type t = corto_value_typeof(info);
void *this = corto_value_ptrof(info);
void *value = (void*)((corto_word)corto_value_ptrof(&data->value) + ((corto_word)this - (corto_word)data->base));
if (corto_interface(t)->kind == CORTO_UNION) {
corto_int32 d1 = *(corto_int32*)this;
corto_int32 d2 = *(corto_int32*)value;
if (d1 != d2) {
corto_member m1 = safe_corto_union_findCase(t, d1);
corto_member m2 = safe_corto_union_findCase(t, d2);
if (m1 != m2) {
goto nomatch;
}
}
}
return corto_walk_members(s, info, userData);
nomatch:
data->result = CORTO_NEQ;
return 1;
}
/* Parse scope */
static corto_string corto_string_deserParseScope(corto_string str, struct corto_string_deserIndexInfo* info, corto_string_deser_t* data) {
struct corto_string_deserIndexInfo rootInfo;
corto_typeKind kind;
void *ptr = data->ptr;
if (data->allocValue) {
ptr = data->allocValue(ptr, data);
}
/* Prepare privateData */
corto_string_deser_t privateData = {
.out = data->out,
.scope = data->scope,
.anonymousObjects = data->anonymousObjects,
.type = data->type,
.isObject = data->isObject,
.members = {0, NULL}
};
/* Offset the scope-members with the current offset */
if (info && info->m) {
ptr = corto_getMemberPtr(data->isObject ? data->out : NULL, ptr, info->m);
}
privateData.ptr = ptr;
/* Open scope of type */
if (!info) {
if (!data->type) {
rootInfo.type = corto_typeof(data->out);
} else {
rootInfo.type = data->type;
}
rootInfo.m = NULL;
rootInfo.parsed = FALSE;
info = &rootInfo;
}
/* Check if type is any, composite or collection */
kind = info->type->kind;
if ((kind != CORTO_COMPOSITE) && (kind != CORTO_COLLECTION) && (kind != CORTO_ANY)) {
corto_seterr("'{' unexpected for type '%s'",
corto_fullpath(NULL, info->type));
goto error;
}
/* Build index for type */
if (info->type->kind == CORTO_COMPOSITE) {
if (corto_interface(info->type)->kind == CORTO_UNION) {
/* Parse discriminator */
struct corto_string_deserIndexInfo dInfo;
dInfo.type = (corto_type)corto_int32_o;
dInfo.parsed = FALSE;
dInfo.m = NULL;
str = corto_string_deserParse(str + 1, &dInfo, &privateData);
if (!str) {
goto error;
}
/* Find corresponding union case */
corto_int32 d = *(corto_int32*)ptr;
corto_member m = safe_corto_union_findCase(info->type, d);
if (!m) {
corto_seterr("discriminator '%d' invalid for union '%s'",
d, corto_fullpath(NULL, info->type));
goto error;
}
/* Build index for one member */
struct corto_string_deserIndexInfo *caseInfo =
corto_alloc(sizeof(struct corto_string_deserIndexInfo));
caseInfo->type = m->type;
caseInfo->parsed = FALSE;
caseInfo->m = m;
corto_string_deserIndexInsert(&privateData, caseInfo);
} else {
corto_walk_opt s = corto_string_deserBuildIndex();
s.members = data->members;
if (s.members.length) {
s.access = 0;
}
if (corto_metawalk(&s, info->type, &privateData)) {
goto error;
}
}
/* Create iterator for index */
if (privateData.index) {
privateData.currentIter = _corto_ll_iter(privateData.index, &privateData.iterData);
}
/* If type is a collection, build index with one node for element */
} else if (info->type->kind == CORTO_COLLECTION) {
struct corto_string_deserIndexInfo *elementNode;
elementNode = corto_alloc(sizeof(struct corto_string_deserIndexInfo));
elementNode->m = NULL;
elementNode->parsed = FALSE;
elementNode->type = corto_collection(info->type)->elementType;
corto_string_deserIndexInsert(&privateData, elementNode);
/* Create iterator for index */
privateData.currentIter = _corto_ll_iter(privateData.index, &privateData.iterData);
privateData.allocValue = corto_string_deserAllocElem;
privateData.allocUdata = info->type;
if (ptr) {
switch(corto_collection(info->type)->kind) {
case CORTO_ARRAY:
case CORTO_SEQUENCE:
break;
case CORTO_LIST:
if (!*(corto_ll*)ptr) {
*(corto_ll*)ptr = corto_ll_new();
} else {
corto_ll_clear(*(corto_ll*)ptr);
}
privateData.ptr = ptr;
break;
default:
break;
}
}
} else if (info->type->kind == CORTO_ANY) {
struct corto_string_deserIndexInfo *anyNode;
anyNode = corto_alloc(sizeof(struct corto_string_deserIndexInfo));
anyNode->m = NULL;
anyNode->parsed = FALSE;
anyNode->type = corto_type(corto_type_o);
corto_string_deserIndexInsert(&privateData, anyNode);
privateData.currentIter = _corto_ll_iter(privateData.index, &privateData.iterData);
privateData.allocValue = corto_string_deserAllocAny;
privateData.allocUdata = anyNode;
}
/* Parse scope */
if (!(str = corto_string_deserParse(str+1, info, &privateData))) {
goto error;
}
corto_string_deserFreeIndex(&privateData);
data->anonymousObjects = privateData.anonymousObjects;
return str;
error:
return NULL;
}
/* Get pointer to current destination value */
corto_int16 corto_string_getDestinationPtr(
struct corto_string_deserIndexInfo* info,
corto_string_deser_t* data,
void **ptr_out)
{
void *result = data->ptr;
*ptr_out = NULL;
if (!info) {
corto_seterr("excess elements in string");
goto error;
}
if (data->allocValue) {
result = data->allocValue(result, data);
}
if (info->m) {
result = corto_getMemberPtr(data->isObject ? data->out : NULL, data->ptr, info->m);
}
*ptr_out = result;
return 0;
error:
return -1;
}
static corto_int16 json_deserComposite(void* p, corto_type t, JSON_Value *v)
{
corto_assert(t->kind == CORTO_COMPOSITE, "not deserializing composite");
if (json_value_get_type(v) != JSONObject) {
corto_seterr("expected object, got %s", json_valueTypeToString(v));
goto error;
}
JSON_Object* o = json_value_get_object(v);
size_t count = json_object_get_count(o);
size_t i;
corto_bool isUnion = corto_interface(t)->kind == CORTO_UNION;
corto_int32 discriminator = 0;
corto_member unionMember = NULL;
for (i = 0; i < count; i++) {
const char* memberName = json_object_get_name(o, i);
corto_member member_o;
if (!strcmp(memberName, "super")) {
JSON_Value* value = json_object_get_value(o, memberName);
if (json_deserItem(p, corto_type(corto_interface(t)->base), value)) {
goto error;
}
} else if (!strcmp(memberName, "_d") && isUnion) {
JSON_Value* value = json_object_get_value(o, memberName);
if (json_deserPrimitive(&discriminator, corto_union(t)->discriminator, value)) {
goto error;
}
unionMember = corto_union_findCase(t, discriminator);
if (!unionMember) {
corto_seterr("discriminator '%d' invalid for union '%s'",
discriminator, corto_fullpath(NULL, t));
}
} else {
member_o = corto_interface_resolveMember(t, (char*)memberName);
/* Ensure that we're not resolving members from a base type */
if (!member_o || (corto_parentof(member_o) != t)) {
corto_seterr(
"cannot find member '%s' in type '%s'",
memberName,
corto_fullpath(NULL, t));
goto error;
}
if (isUnion && (unionMember != member_o)) {
corto_seterr(
"member '%s' does not match discriminator '%d' (expected member '%s')",
memberName,
discriminator,
corto_idof(unionMember));
goto error;
} else if (isUnion) {
corto_int32 prev = *(corto_int32*)p;
if (prev != discriminator) {
corto_member prevMember = corto_union_findCase(t, prev);
corto_deinitp(CORTO_OFFSET(p, prevMember->offset), prevMember->type);
memset(CORTO_OFFSET(p, member_o->offset), 0, member_o->type->size);
}
*(corto_int32*)p = discriminator;
}
if (!json_deserMustSkip(member_o, p)) {
JSON_Value* value = json_object_get_value(o, memberName);
void *offset = CORTO_OFFSET(p, member_o->offset);
if (member_o->modifiers & CORTO_OBSERVABLE) {
offset = *(void**)offset;
if (json_deserType(offset, member_o->type, value)) {
goto error;
}
} else {
if (member_o->modifiers & CORTO_OPTIONAL) {
if (*(void**)offset) {
corto_deinitp(*(void**)offset, member_o->type);
memset(*(void**)offset, 0, member_o->type->size);
} else {
*(void**)offset = corto_calloc(member_o->type->size);
}
offset = *(void**)offset;
}
if (json_deserItem(offset, member_o->type, value)) {
goto error;
}
}
}
}
}
return 0;
error:
return -1;
}
* This file contains wrapper functions for /corto/lang.
*/
#include <corto/lang/lang.h>
#include <corto/lang/_meta.h>
corto_bool _corto_collection_castable(
corto_collection this,
corto_type type)
{
static corto_uint32 _methodId;
corto_method _method;
corto_bool _result;
corto_interface _abstract;
_abstract = corto_interface(corto_typeof(this));
/* Determine methodId once, then cache it for subsequent calls. */
if (!_methodId) {
_methodId = corto_interface_resolveMethodId(_abstract, "castable(type type)");
}
corto_assert(_methodId, "virtual 'castable(type type)' not found in '%s'%s%s", corto_fullpath(NULL, _abstract), corto_lasterr()?": ":"", corto_lasterr());
/* Lookup method-object. */
_method = corto_interface_resolveMethodById(_abstract, _methodId);
corto_assert(_method != NULL, "unresolved method '%s::castable(type type)@%d'", corto_idof(this), _methodId);
corto_call(corto_function(_method), &_result, this, type);
return _result;
}