Dsymbol *DsymbolTable::update(Dsymbol *s)
{
Identifier *ident = s->ident;
Dsymbol **ps = (Dsymbol **)dmd_aaGet(&tab, (void *)ident);
*ps = s;
return s;
}
/**
* Collects all unit test functions from the given array of symbols.
*
* This is a helper function used by the implementation of __traits(getUnitTests).
*
* Input:
* symbols array of symbols to collect the functions from
* uniqueUnitTests an associative array (should actually be a set) to
* keep track of already collected functions. We're
* using an AA here to avoid doing a linear search of unitTests
*
* Output:
* unitTests array of DsymbolExp's of the collected unit test functions
* uniqueUnitTests updated with symbols from unitTests[ ]
*/
static void collectUnitTests(Dsymbols *symbols, AA *uniqueUnitTests, Expressions *unitTests)
{
if (!symbols)
return;
for (size_t i = 0; i < symbols->dim; i++)
{
Dsymbol *symbol = (*symbols)[i];
UnitTestDeclaration *unitTest = symbol->isUnitTestDeclaration();
if (unitTest)
{
if (!dmd_aaGetRvalue(uniqueUnitTests, (void *)unitTest))
{
FuncAliasDeclaration* alias = new FuncAliasDeclaration(unitTest, 0);
alias->protection = unitTest->protection;
Expression* e = new DsymbolExp(Loc(), alias);
unitTests->push(e);
bool* value = (bool*) dmd_aaGet(&uniqueUnitTests, (void *)unitTest);
*value = true;
}
}
else
{
AttribDeclaration *attrDecl = symbol->isAttribDeclaration();
if (attrDecl)
{
Dsymbols *decl = attrDecl->include(NULL, NULL);
collectUnitTests(decl, uniqueUnitTests, unitTests);
}
}
}
}
Dsymbol *DsymbolTable::insert(Identifier *ident, Dsymbol *s)
{
//printf("DsymbolTable::insert()\n");
Dsymbol **ps = (Dsymbol **)dmd_aaGet(&tab, (void *)ident);
if (*ps)
return NULL; // already in table
*ps = s;
return s;
}
Dsymbol *DsymbolTable::insert(Dsymbol *s)
{
//printf("DsymbolTable::insert(this = %p, '%s')\n", this, s->ident->toChars());
Identifier *ident = s->ident;
Dsymbol **ps = (Dsymbol **)dmd_aaGet(&tab, (void *)ident);
if (*ps)
return NULL; // already in table
*ps = s;
return s;
}
static Label *getLabel(IRState *irs, Blockx *blx, Statement *s)
{
Label **slot = (Label **)dmd_aaGet(irs->labels, (void *)s);
if (*slot == NULL)
{
Label *label = new Label();
label->lblock = blx ? block_calloc(blx) : block_calloc();
label->fwdrefs = NULL;
*slot = label;
}
return *slot;
}
Expression *arrayOp(BinExp *e, Scope *sc)
{
//printf("BinExp::arrayOp() %s\n", toChars());
Type *tb = e->type->toBasetype();
assert(tb->ty == Tarray || tb->ty == Tsarray);
Type *tbn = tb->nextOf()->toBasetype();
if (tbn->ty == Tvoid)
{
e->error("cannot perform array operations on void[] arrays");
return new ErrorExp();
}
if (!isArrayOpValid(e))
{
e->error("invalid array operation %s (possible missing [])", e->toChars());
return new ErrorExp();
}
Expressions *arguments = new Expressions();
/* The expression to generate an array operation for is mangled
* into a name to use as the array operation function name.
* Mangle in the operands and operators in RPN order, and type.
*/
OutBuffer buf;
buf.writestring("_array");
buildArrayIdent(e, &buf, arguments);
buf.writeByte('_');
/* Append deco of array element type
*/
buf.writestring(e->type->toBasetype()->nextOf()->toBasetype()->mutableOf()->deco);
char *name = buf.peekString();
Identifier *ident = Identifier::idPool(name);
FuncDeclaration **pFd = (FuncDeclaration **)dmd_aaGet(&arrayfuncs, (void *)ident);
FuncDeclaration *fd = *pFd;
if (!fd)
fd = buildArrayOp(ident, e, sc);
if (fd && fd->errors)
{
const char *fmt;
if (tbn->ty == Tstruct || tbn->ty == Tclass)
fmt = "invalid array operation '%s' because %s doesn't support necessary arithmetic operations";
else if (!tbn->isscalar())
fmt = "invalid array operation '%s' because %s is not a scalar type";
else
fmt = "invalid array operation '%s' for element type %s";
e->error(fmt, e->toChars(), tbn->toChars());
return new ErrorExp();
}
*pFd = fd;
Expression *ev = new VarExp(e->loc, fd);
Expression *ec = new CallExp(e->loc, ev, arguments);
return semantic(ec, sc);
}