void Tree::generateDeferClass() {
ClassDefinition::Properties properties;
startGeneratedClass(CommonNames::deferTypeName, properties);
auto deferClass = getCurrentClass();
// addClosure(fun () closure)
auto addClosureMethod =
MethodDefinition::create(CommonNames::addClosureMethodName,
nullptr,
false,
deferClass);
auto closureType = Type::create(Type::Function);
closureType->setFunctionSignature(FunctionSignature::create(nullptr));
auto closureInterfaceType =
Type::create(closureType->getClosureInterfaceName());
addClosureMethod->addArgument(closureInterfaceType, "closure");
addClassMember(addClosureMethod);
deferClass->generateDefaultConstructor();
finishClass();
}
LEXEME *expression_lambda(LEXEME *lex, SYMBOL *funcsp, TYPE *atp, TYPE **tp, EXPRESSION **exp, int flags)
{
LAMBDA *self;
SYMBOL *vpl, *ths;
HASHREC *hrl;
TYPE *ltp;
STRUCTSYM ssl;
if (funcsp)
funcsp->noinline = TRUE;
IncGlobalFlag();
self = Alloc(sizeof(LAMBDA));
ltp = Alloc(sizeof(TYPE));
ltp->type = bt_struct;
ltp->syms = CreateHashTable(1);
ltp->tags = CreateHashTable(1);
ltp->size = 0;
self->captured = CreateHashTable(1);
self->oldSyms = localNameSpace->syms;
self->oldTags = localNameSpace->tags;
self->index = lambdaIndex;
self->captureMode = cmNone;
self->isMutable = FALSE;
self->captureThis = FALSE;
self->cls = makeID(sc_type, ltp, NULL, LambdaName());
ltp->sp = self->cls;
SetLinkerNames(self->cls, lk_cdecl);
self->cls->islambda = TRUE;
self->cls->structAlign = getAlign(sc_global, &stdpointer);
self->func = makeID(sc_member, ltp, NULL, "$internalFunc");
self->func->parentClass = self->cls;
self->functp = &stdauto;
self->enclosingFunc = theCurrentFunc;
if (lambdas)
lambdas->prev = self;
self->next = lambdas;
lambdas = self;
localNameSpace->syms = CreateHashTable(1);
localNameSpace->tags = CreateHashTable(1);
if (lambdas->next)
{
self->lthis = lambdas->next->lthis;
}
else if (funcsp && funcsp->parentClass)
{
self->lthis = ((SYMBOL *)funcsp->tp->syms->table[0]->p);
}
lex = getsym(); // past [
if (funcsp)
{
// can have a capture list;
if (MATCHKW(lex, assign))
{
lex = getsym();
if (MATCHKW(lex, comma) || MATCHKW(lex, closebr))
{
self->captureMode = cmValue;
skip(&lex, comma);
}
else
{
lex = backupsym();
}
}
else if (MATCHKW(lex, and))
{
lex = getsym();
if (MATCHKW(lex, comma) || MATCHKW(lex, closebr))
{
self->captureMode = cmRef;
skip(&lex, comma);
}
else
{
lex = backupsym();
}
}
if (!MATCHKW(lex, comma) && !MATCHKW(lex, closebr))
{
do
{
enum e_cm localMode = self->captureMode;
if (MATCHKW(lex, comma))
skip(&lex, comma);
if (MATCHKW(lex, kw_this))
{
lex = getsym();
if (localMode == cmValue || !self->lthis)
{
error(ERR_CANNOT_CAPTURE_THIS);
}
else
{
if (self->captureThis)
{
error(ERR_CAPTURE_ITEM_LISTED_MULTIPLE_TIMES);
}
self->captureThis = TRUE;
lambda_capture(NULL, cmThis, TRUE);
}
continue;
}
else if (MATCHKW(lex, and))
{
if (localMode == cmRef)
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
localMode = cmRef;
lex = getsym();
}
else
{
if (localMode == cmValue)
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
localMode = cmValue;
}
if (ISID(lex))
{
SYMBOL *sp = search(lex->value.s.a, localNameSpace->syms);
LAMBDA *current = lambdas;
while (current && !sp)
{
sp = search(lex->value.s.a, current->oldSyms);
current = current->next;
}
lex = getsym();
if (sp)
{
if (sp->packed)
{
if (!MATCHKW(lex, ellipse))
error(ERR_PACK_SPECIFIER_REQUIRED_HERE);
else
lex = getsym();
}
if (sp->packed)
{
int n;
TEMPLATEPARAMLIST * templateParam = sp->tp->templateParam->p->byPack.pack;
HASHREC *hr;
for (n=0; templateParam; templateParam = templateParam->next, n++);
hr = funcsp->tp->syms->table[0];
while (hr && ((SYMBOL *)hr->p) != sp)
hr = hr->next;
while (hr && n)
{
lambda_capture((SYMBOL *)hr->p, localMode, TRUE);
hr = hr->next;
n--;
}
}
else
{
lambda_capture(sp, localMode, TRUE);
}
}
else
errorstr(ERR_UNDEFINED_IDENTIFIER, lex->value.s.a);
}
else
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
} while (MATCHKW(lex, comma));
}
needkw(&lex, closebr);
}
else
{
if (!MATCHKW(lex, closebr))
{
error(ERR_LAMBDA_CANNOT_CAPTURE);
}
else
{
lex = getsym();
}
}
if (MATCHKW(lex, openpa))
{
TYPE *tpx = &stdvoid;
HASHREC *hr;
lex = getFunctionParams(lex, NULL, &self->func, &tpx, FALSE, sc_auto);
self->funcargs = self->func->tp->syms->table[0];
hr = self->func->tp->syms->table[0];
while (hr)
{
SYMBOL *sym = (SYMBOL *)hr->p;
if (sym->init)
{
error(ERR_CANNOT_DEFAULT_PARAMETERS_WITH_LAMBDA);
}
hr = hr->next;
}
if (MATCHKW(lex, kw_mutable))
{
HASHREC *hr = self->captured->table[0];
while (hr)
{
LAMBDASP *lsp = (LAMBDASP *)hr->p;
if (lsp->sym->lambdaMode == cmValue)
{
lsp->sym->tp = basetype(lsp->sym->tp);
}
hr = hr->next;
}
self->isMutable = TRUE;
lex = getsym();
}
ParseAttributeSpecifiers(&lex, funcsp, TRUE);
if (MATCHKW(lex, pointsto))
{
lex = getsym();
lex = get_type_id(lex, &self->functp, funcsp, sc_cast, FALSE, TRUE);
}
}
else
{
TYPE *tp1 = Alloc(sizeof(TYPE));
SYMBOL *spi;
tp1->type = bt_func;
tp1->size = getSize(bt_pointer);
tp1->btp = &stdvoid;
tp1->sp = self->func;
self->func->tp = tp1;
spi = makeID(sc_parameter, tp1, NULL, AnonymousName());
spi->anonymous = TRUE;
spi->tp = Alloc(sizeof(TYPE));
spi->tp->type = bt_void;
insert(spi, localNameSpace->syms);
SetLinkerNames(spi, lk_cpp);
self->func->tp->syms = localNameSpace->syms;
self->funcargs = self->func->tp->syms->table[0];
self->func->tp->syms->table[0] = NULL;
}
vpl = makeID(sc_parameter, &stdpointer, NULL, AnonymousName());
vpl->assigned = vpl->used = TRUE;
SetLinkerNames(vpl, lk_cdecl);
hrl = Alloc(sizeof(HASHREC));
hrl->p = (struct _hrintern_ *)vpl;
hrl->next = lambdas->func->tp->syms->table[0];
lambdas->func->tp->syms->table[0] = hrl;
vpl = makeID(sc_parameter, &stdpointer, NULL, AnonymousName());
vpl->assigned = vpl->used = TRUE;
SetLinkerNames(vpl, lk_cdecl);
hrl = Alloc(sizeof(HASHREC));
hrl->p = (struct _hrintern_ *)vpl;
hrl->next = lambdas->func->tp->syms->table[0];
lambdas->func->tp->syms->table[0] = hrl;
SetLinkerNames(lambdas->func, lk_cdecl);
injectThisPtr(lambdas->func, basetype(lambdas->func->tp)->syms);
lambdas->func->tp->btp = self->functp;
lambdas->func->linkage = lk_virtual;
lambdas->func->isInline = TRUE;
ssl.str = self->cls;
ssl.tmpl = NULL;
addStructureDeclaration(&ssl);
ths = makeID(sc_member, &stdpointer, NULL, "$this");
lambda_insert(ths, lambdas);
if (MATCHKW(lex, begin))
{
lex = body(lex, self->func);
}
else
{
error(ERR_LAMBDA_FUNCTION_BODY_EXPECTED);
}
dropStructureDeclaration();
localNameSpace->syms = self->oldSyms;
localNameSpace->tags = self->oldTags;
inferType();
finishClass();
*exp = createLambda(0);
*tp = lambdas->cls->tp;
lambdas = lambdas->next;
if (lambdas)
lambdas->prev = NULL;
DecGlobalFlag();
return lex;
}
void Tree::finishFunction(MethodDefinition* function) {
function->setIsFunction(true);
addClassMember(function);
globalNameBindings.overloadMethod(function->getName(), function);
finishClass();
}
void Tree::generateArrayClass() {
ClassDefinition::Properties properties;
startGeneratedClass(BuiltInTypes::arrayTypeName, properties);
ClassDefinition* arrayClass = getCurrentClass();
// Add method:
// int length()
auto lengthMethod =
MethodDefinition::create(BuiltInTypes::arrayLengthMethodName,
Type::create(Type::Integer),
false,
arrayClass);
addClassMember(lengthMethod);
// Add method:
// int size()
auto sizeMethod =
MethodDefinition::create(BuiltInTypes::arraySizeMethodName,
Type::create(Type::Integer),
false,
arrayClass);
addClassMember(sizeMethod);
// Add method:
// int capacity()
auto capacityMethod =
MethodDefinition::create(BuiltInTypes::arrayCapacityMethodName,
Type::create(Type::Integer),
false,
arrayClass);
addClassMember(capacityMethod);
// The methods:
//
// append(_ element)
// appendAll(_[] array)
// _[] concat(_[] array)
// _[] slice(int begin, int end)
//
// are used like this:
//
// array.append(1)
// array.appendAll(array2)
// array3 = array.concat(array2)
// array4 = array.slice(1, 3)
//
// Which is equal to:
//
// array += 1
// array += array2
// array3 = array + array2
// array4 = array[1...3]
//
// Add method:
// append(_ element)
auto appendMethod =
MethodDefinition::create(BuiltInTypes::arrayAppendMethodName,
nullptr,
false,
arrayClass);
appendMethod->addArgument(Type::Placeholder, "element");
addClassMember(appendMethod);
// Add method:
// appendAll(_[] array)
auto appendAllMethod =
MethodDefinition::create(BuiltInTypes::arrayAppendAllMethodName,
nullptr,
false,
arrayClass);
auto arrayType = Type::create(Type::Placeholder);
arrayType->setArray(true);
appendAllMethod->addArgument(arrayType, "array");
addClassMember(appendAllMethod);
// Add method:
// _[] concat(_[] array)
auto concatReturnType = Type::create(Type::Placeholder);
concatReturnType->setArray(true);
auto concatMethod =
MethodDefinition::create(BuiltInTypes::arrayConcatMethodName,
concatReturnType,
false,
arrayClass);
auto concatArrayType = Type::create(Type::Placeholder);
concatArrayType->setArray(true);
concatMethod->addArgument(concatArrayType, "array");
addClassMember(concatMethod);
// Add method:
// _[] slice(int begin, int end)
auto sliceReturnType = Type::create(Type::Placeholder);
sliceReturnType->setArray(true);
auto sliceMethod =
MethodDefinition::create(BuiltInTypes::arraySliceMethodName,
sliceReturnType,
false,
arrayClass);
sliceMethod->addArgument(Type::Integer, "begin");
sliceMethod->addArgument(Type::Integer, "end");
addClassMember(sliceMethod);
// Add method:
// each() (_)
auto eachMethod =
MethodDefinition::create(BuiltInTypes::arrayEachMethodName,
Type::create(Type::Void),
false,
arrayClass);
auto eachLambdaSignature =
FunctionSignature::create(Type::create(Type::Void));
eachLambdaSignature->addArgument(Type::create(Type::Integer));
eachMethod->setLambdaSignature(eachLambdaSignature,
arrayClass->getLocation());
addClassMember(eachMethod);
finishClass();
}
ClassDefinition* Tree::insertBuiltInType(const Identifier& name) {
ClassDefinition::Properties properties;
startGeneratedClass(name, properties);
return finishClass();
}
