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C++ StructDeclaration::fill方法代码示例

本文整理汇总了C++中StructDeclaration::fill方法的典型用法代码示例。如果您正苦于以下问题:C++ StructDeclaration::fill方法的具体用法?C++ StructDeclaration::fill怎么用?C++ StructDeclaration::fill使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在StructDeclaration的用法示例。


在下文中一共展示了StructDeclaration::fill方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ErrorInitializer


//.........这里部分代码省略.........
        bool errors = false;
        for (size_t fieldi = 0, i = 0; i < field.dim; i++)
        {
            if (Identifier *id = field[i])
            {
                Dsymbol *s = sd->search(loc, id);
                if (!s)
                {
                    s = sd->search_correct(id);
                    if (s)
                        error(loc, "'%s' is not a member of '%s', did you mean '%s %s'?",
                              id->toChars(), sd->toChars(), s->kind(), s->toChars());
                    else
                        error(loc, "'%s' is not a member of '%s'", id->toChars(), sd->toChars());
                    return new ErrorInitializer();
                }
                s = s->toAlias();

                // Find out which field index it is
                for (fieldi = 0; 1; fieldi++)
                {
                    if (fieldi >= nfields)
                    {
                        error(loc, "%s.%s is not a per-instance initializable field",
                            sd->toChars(), s->toChars());
                        return new ErrorInitializer();
                    }
                    if (s == sd->fields[fieldi])
                        break;
                }
            }
            else if (fieldi >= nfields)
            {
                error(loc, "too many initializers for %s", sd->toChars());
                return new ErrorInitializer();
            }

            VarDeclaration *vd = sd->fields[fieldi];
            if ((*elements)[fieldi])
            {
                error(loc, "duplicate initializer for field '%s'", vd->toChars());
                errors = true;
                continue;
            }
            for (size_t j = 0; j < nfields; j++)
            {
                VarDeclaration *v2 = sd->fields[j];
                bool overlap = (vd->offset < v2->offset + v2->type->size() &&
                                v2->offset < vd->offset + vd->type->size());
                if (overlap && (*elements)[j])
                {
                    error(loc, "overlapping initialization for field %s and %s",
                        v2->toChars(), vd->toChars());
                    errors = true;
                    continue;
                }
            }

            assert(sc);
            Initializer *iz = value[i];
            iz = iz->semantic(sc, vd->type->addMod(t->mod), needInterpret);
            Expression *ex = iz->toExpression();
            if (ex->op == TOKerror)
            {
                errors = true;
                continue;
            }
            value[i] = iz;
            (*elements)[fieldi] = ex;
            ++fieldi;
        }
        if (errors)
            return new ErrorInitializer();

        StructLiteralExp *sle = new StructLiteralExp(loc, sd, elements, t);
        if (!sd->fill(loc, elements, false))
            return new ErrorInitializer();
        sle->type = t;

        ExpInitializer *ie = new ExpInitializer(loc, sle);
        return ie->semantic(sc, t, needInterpret);
    }
    else if ((t->ty == Tdelegate || t->ty == Tpointer && t->nextOf()->ty == Tfunction) && value.dim == 0)
    {
        TOK tok = (t->ty == Tdelegate) ? TOKdelegate : TOKfunction;
        /* Rewrite as empty delegate literal { }
         */
        Parameters *arguments = new Parameters;
        Type *tf = new TypeFunction(arguments, NULL, 0, LINKd);
        FuncLiteralDeclaration *fd = new FuncLiteralDeclaration(loc, Loc(), tf, tok, NULL);
        fd->fbody = new CompoundStatement(loc, new Statements());
        fd->endloc = loc;
        Expression *e = new FuncExp(loc, fd);
        ExpInitializer *ie = new ExpInitializer(loc, e);
        return ie->semantic(sc, t, needInterpret);
    }

    error(loc, "a struct is not a valid initializer for a %s", t->toChars());
    return new ErrorInitializer();
}
开发者ID:NativeAPI,项目名称:dmd,代码行数:101,代码来源:init.c


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