C++ symbols::push方法代码示例

//.........这里部分代码省略.........
            !func->isStatic() && !sbody->usesEH())
        {
            /* The "jmonitor" hack uses an optimized exception handling frame
             * which is a little shorter than the more general EH frame.
             */
            s->Sfunc->Fflags3 |= Fjmonitor;
        }
#endif

        sbody->toIR(&irs);
        bx.curblock->BC = BCret;

        f->Fstartblock = bx.startblock;
//      einit = el_combine(einit,bx.init);

        if (isCtorDeclaration())
        {
            assert(sthis);
            for (b = f->Fstartblock; b; b = b->Bnext)
            {
                if (b->BC == BCret)
                {
                    b->BC = BCretexp;
                    b->Belem = el_combine(b->Belem, el_var(sthis));
                }
            }
        }
    }

    // If static constructor
#if DMDV2
    if (isSharedStaticCtorDeclaration())        // must come first because it derives from StaticCtorDeclaration
    {
        ssharedctors.push(s);
    }
    else
#endif
    if (isStaticCtorDeclaration())
    {
        sctors.push(s);
    }

    // If static destructor
#if DMDV2
    if (isSharedStaticDtorDeclaration())        // must come first because it derives from StaticDtorDeclaration
    {
        SharedStaticDtorDeclaration *f = isSharedStaticDtorDeclaration();
        assert(f);
        if (f->vgate)
        {   /* Increment destructor's vgate at construction time
             */
            esharedctorgates.push(f);
        }

        sshareddtors.shift(s);
    }
    else
#endif
    if (isStaticDtorDeclaration())
    {
        StaticDtorDeclaration *f = isStaticDtorDeclaration();
        assert(f);
        if (f->vgate)
        {   /* Increment destructor's vgate at construction time
             */
            ectorgates.push(f);

void FuncDeclaration_toObjFile(FuncDeclaration *fd, bool multiobj)
{
    ClassDeclaration *cd = fd->parent->isClassDeclaration();
    //printf("FuncDeclaration::toObjFile(%p, %s.%s)\n", fd, fd->parent->toChars(), fd->toChars());

    //if (type) printf("type = %s\n", type->toChars());
#if 0
    //printf("line = %d\n", getWhere() / LINEINC);
    EEcontext *ee = env->getEEcontext();
    if (ee->EEcompile == 2)
    {
        if (ee->EElinnum < (getWhere() / LINEINC) ||
            ee->EElinnum > (endwhere / LINEINC)
           )
            return;             // don't compile this function
        ee->EEfunc = toSymbol(this);
    }
#endif

    if (fd->semanticRun >= PASSobj) // if toObjFile() already run
        return;

    if (fd->type && fd->type->ty == Tfunction && ((TypeFunction *)fd->type)->next == NULL)
        return;

    // If errors occurred compiling it, such as bugzilla 6118
    if (fd->type && fd->type->ty == Tfunction && ((TypeFunction *)fd->type)->next->ty == Terror)
        return;

    if (global.errors)
        return;

    if (!fd->fbody)
        return;

    UnitTestDeclaration *ud = fd->isUnitTestDeclaration();
    if (ud && !global.params.useUnitTests)
        return;

    if (multiobj && !fd->isStaticDtorDeclaration() && !fd->isStaticCtorDeclaration())
    {
        obj_append(fd);
        return;
    }

    if (fd->semanticRun == PASSsemanticdone)
    {
        /* What happened is this function failed semantic3() with errors,
         * but the errors were gagged.
         * Try to reproduce those errors, and then fail.
         */
        fd->error("errors compiling the function");
        return;
    }
    assert(fd->semanticRun == PASSsemantic3done);
    assert(fd->ident != Id::empty);

    for (FuncDeclaration *fd2 = fd; fd2; )
    {
        if (fd2->inNonRoot())
            return;
        if (fd2->isNested())
            fd2 = fd2->toParent2()->isFuncDeclaration();
        else
            break;
    }

    FuncDeclaration *fdp = fd->toParent2()->isFuncDeclaration();
    if (fd->isNested())
    {
        if (fdp && fdp->semanticRun < PASSobj)
        {
            if (fdp->semantic3Errors)
                return;

            /* Can't do unittest's out of order, they are order dependent in that their
             * execution is done in lexical order.
             */
            if (UnitTestDeclaration *udp = fdp->isUnitTestDeclaration())
            {
                udp->deferredNested.push(fd);
                return;
            }
        }
    }

    if (fd->isArrayOp && isDruntimeArrayOp(fd->ident))
    {
        // Implementation is in druntime
        return;
    }

    // start code generation
    fd->semanticRun = PASSobj;

    if (global.params.verbose)
        fprintf(global.stdmsg, "function  %s\n", fd->toPrettyChars());

    Symbol *s = toSymbol(fd);
    func_t *f = s->Sfunc;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            !func->isStatic() && !sbody->usesEH())
        {
            /* The "jmonitor" hack uses an optimized exception handling frame
             * which is a little shorter than the more general EH frame.
             */
            s->Sfunc->Fflags3 |= Fjmonitor;
        }
#endif

        sbody->toIR(&irs);
        bx.curblock->BC = BCret;

        f->Fstartblock = bx.startblock;
//      einit = el_combine(einit,bx.init);

        if (isCtorDeclaration())
        {
            assert(sthis);
            for (block *b = f->Fstartblock; b; b = b->Bnext)
            {
                if (b->BC == BCret)
                {
                    b->BC = BCretexp;
                    b->Belem = el_combine(b->Belem, el_var(sthis));
                }
            }
        }
    }

    // If static constructor
#if DMDV2
    if (isSharedStaticCtorDeclaration())        // must come first because it derives from StaticCtorDeclaration
    {
        ssharedctors.push(s);
    }
    else
#endif
    if (isStaticCtorDeclaration())
    {
        sctors.push(s);
    }

    // If static destructor
#if DMDV2
    if (isSharedStaticDtorDeclaration())        // must come first because it derives from StaticDtorDeclaration
    {
        SharedStaticDtorDeclaration *f = isSharedStaticDtorDeclaration();
        assert(f);
        if (f->vgate)
        {   /* Increment destructor's vgate at construction time
             */
            esharedctorgates.push(f);
        }

        sshareddtors.shift(s);
    }
    else
#endif
    if (isStaticDtorDeclaration())
    {
        StaticDtorDeclaration *f = isStaticDtorDeclaration();
        assert(f);
        if (f->vgate)
        {   /* Increment destructor's vgate at construction time
             */
            ectorgates.push(f);