templeos-info/public/Wb/Home/Src/Demo/Exceptions.HC.HTML

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<a name="l1"></a><span class=cF2>//WARNING: Don't return out of a catch{}. This</span><span class=cF0>
<a name="l2"></a></span><span class=cF2>//might get fixed.</span><span class=cF0>
<a name="l3"></a>
<a name="l4"></a></span><span class=cF2>//You can use </span><a href="/Wb/Kernel/KExcept.HC.HTML#l45"><span class=cF4>PutExcept</span></a><span class=cF2>() in a catch stmt</span><span class=cF0>
<a name="l5"></a></span><span class=cF2>//and it will report args.</span><span class=cF0>
<a name="l6"></a></span><span class=cF1>Bool</span><span class=cF0> Prompt(</span><span class=cF9>I64</span><span class=cF0> i)
<a name="l7"></a>{
<a name="l8"></a> </span><span class=cF6>&quot;%d &quot;</span><span class=cF0>,i;
<a name="l9"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>YorN</span><span class=cF0>;
<a name="l10"></a>}
<a name="l11"></a>
<a name="l12"></a></span><span class=cF1>U0</span><span class=cF0> D1()
<a name="l13"></a>{
<a name="l14"></a> </span><span class=cF6>&quot;D1\n&quot;</span><span class=cF0>;
<a name="l15"></a> </span><span class=cF1>if</span><span class=cF0> (Prompt</span><span class=cF7>(</span><span class=cF0>1</span><span class=cF7>)</span><span class=cF0>) </span><span class=cF5>throw</span><span class=cF0>(</span><span class=cF6>'Point1'</span><span class=cF0>);
<a name="l16"></a> </span><span class=cF1>if</span><span class=cF0> (Prompt</span><span class=cF7>(</span><span class=cF0>2</span><span class=cF7>)</span><span class=cF0>) </span><span class=cF5>throw</span><span class=cF0>(</span><span class=cF6>'Point2'</span><span class=cF0>);
<a name="l17"></a>}
<a name="l18"></a>
<a name="l19"></a></span><span class=cF1>U0</span><span class=cF0> D2()
<a name="l20"></a>{
<a name="l21"></a> </span><span class=cF6>&quot;D2\n&quot;</span><span class=cF0>;
<a name="l22"></a> </span><span class=cF1>try</span><span class=cF0> </span><span class=cF7>{</span><span class=cF0>
<a name="l23"></a> D1;
<a name="l24"></a> </span><span class=cF1>if</span><span class=cF0> (Prompt</span><span class=cF7>(</span><span class=cF0>4</span><span class=cF7>)</span><span class=cF0>) </span><span class=cF5>throw</span><span class=cF0>(</span><span class=cF6>'Point4'</span><span class=cF0>);
<a name="l25"></a> </span><span class=cF7>}</span><span class=cF0> </span><span class=cF1>catch</span><span class=cF0> </span><span class=cF7>{</span><span class=cF0>
<a name="l26"></a> </span><span class=cF6>&quot;D2 hndlr\n&quot;</span><span class=cF0>
<a name="l27"></a> </span><span class=cF6>&quot;Ch:%c:%P\n&quot;</span><span class=cF0>,</span><span class=cF5>Fs</span><span class=cF0>-&gt;except_ch,</span><span class=cF5>Fs</span><span class=cF0>-&gt;except_callers[0];
<a name="l28"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Fs</span><span class=cF0>-&gt;except_ch==</span><span class=cF6>'Point1'</span><span class=cF0>) {
<a name="l29"></a> </span><span class=cF6>&quot;Caught in D2\n&quot;</span><span class=cF0>;
<a name="l30"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;catch_except=</span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l31"></a> }
<a name="l32"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l33"></a>}
<a name="l34"></a>
<a name="l35"></a></span><span class=cF1>U0</span><span class=cF0> Demo()
<a name="l36"></a>{
<a name="l37"></a> </span><span class=cF1>try</span><span class=cF0> </span><span class=cF7>{</span><span class=cF0>
<a name="l38"></a> D2;
<a name="l39"></a> </span><span class=cF1>if</span><span class=cF0> (Prompt</span><span class=cF7>(</span><span class=cF0>3</span><span class=cF7>)</span><span class=cF0>) </span><span class=cF5>throw</span><span class=cF0>(</span><span class=cF6>'Point3'</span><span class=cF0>);
<a name="l40"></a> </span><span class=cF7>}</span><span class=cF0> </span><span class=cF1>catch</span><span class=cF0> </span><span class=cF7>{</span><span class=cF0>
<a name="l41"></a> </span><span class=cF6>&quot;Demo hndlr\n&quot;</span><span class=cF0>
<a name="l42"></a> </span><span class=cF6>&quot;Ch:%c:%P\n&quot;</span><span class=cF0>,</span><span class=cF5>Fs</span><span class=cF0>-&gt;except_ch,</span><span class=cF5>Fs</span><span class=cF0>-&gt;except_callers[0];
<a name="l43"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;catch_except=</span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l44"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l45"></a>}
<a name="l46"></a>
<a name="l47"></a>Demo;
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