diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-08-13 21:25:22 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-08-13 21:25:22 -0700 |
| commit | 7328af20a1921d9258a60803ee5367da97a6082e (patch) | |
| tree | e809d6cff85f290073a71982a5d24255848678ac /html/subx/011run.cc.html | |
| parent | 5cec03b41425940ff5fa73c10ea8fb402a3b5ffa (diff) | |
| download | mu-7328af20a1921d9258a60803ee5367da97a6082e.tar.gz | |
4521
Diffstat (limited to 'html/subx/011run.cc.html')
| -rw-r--r-- | html/subx/011run.cc.html | 256 |
1 files changed, 148 insertions, 108 deletions
diff --git a/html/subx/011run.cc.html b/html/subx/011run.cc.html index 0248497c..653447d6 100644 --- a/html/subx/011run.cc.html +++ b/html/subx/011run.cc.html @@ -16,6 +16,7 @@ a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } .SalientComment { color: #00ffff; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } @@ -71,7 +72,7 @@ if ('onhashchange' in window) { <span id="L9" class="LineNr"> 9 </span> <span class="Constant">"Line-endings are significant; each <a href='011run.cc.html#L110'>line</a> should contain a single</span><span class="cSpecial">\n</span><span class="Constant">"</span> <span id="L10" class="LineNr"> 10 </span> <span class="Constant">"instruction, macro or directive.</span><span class="cSpecial">\n</span><span class="Constant">"</span> <span id="L11" class="LineNr"> 11 </span> <span class="Constant">"</span><span class="cSpecial">\n</span><span class="Constant">"</span> -<span id="L12" class="LineNr"> 12 </span> <span class="Constant">"Comments <a href='011run.cc.html#L105'>start</a> with the '#' character. It should be at the <a href='011run.cc.html#L105'>start</a> of a <a href='011run.cc.html#L115'>word</a></span><span class="cSpecial">\n</span><span class="Constant">"</span> +<span id="L12" class="LineNr"> 12 </span> <span class="Constant">"Comments <a href='011run.cc.html#L105'>start</a> with the '#' character. It should be at the <a href='011run.cc.html#L105'>start</a> of a <a href='011run.cc.html#L116'>word</a></span><span class="cSpecial">\n</span><span class="Constant">"</span> <span id="L13" class="LineNr"> 13 </span> <span class="Constant">"(start of <a href='011run.cc.html#L110'>line</a>, or following a space).</span><span class="cSpecial">\n</span><span class="Constant">"</span> <span id="L14" class="LineNr"> 14 </span> <span class="Constant">"</span><span class="cSpecial">\n</span><span class="Constant">"</span> <span id="L15" class="LineNr"> 15 </span> <span class="Constant">"Each segment starts with a header <a href='011run.cc.html#L110'>line</a>: a '==' delimiter followed by the</span><span class="cSpecial">\n</span><span class="Constant">"</span> @@ -133,7 +134,7 @@ if ('onhashchange' in window) { <span id="L71" class="LineNr"> 71 </span><span class="traceContains">+load: 0x00000003 -> 0b</span> <span id="L72" class="LineNr"> 72 </span><span class="traceContains">+load: 0x00000004 -> 0c</span> <span id="L73" class="LineNr"> 73 </span><span class="traceContains">+load: 0x00000005 -> 0d</span> -<span id="L74" class="LineNr"> 74 </span><span class="traceContains">+run: add <a href='011run.cc.html#L253'>imm32</a> 0x0d0c0b0a to <a href='010vm.cc.html#L23'>reg</a> <a href='010vm.cc.html#L13'>EAX</a></span> +<span id="L74" class="LineNr"> 74 </span><span class="traceContains">+run: add <a href='011run.cc.html#L292'>imm32</a> 0x0d0c0b0a to <a href='010---vm.cc.html#L23'>reg</a> <a href='010---vm.cc.html#L13'>EAX</a></span> <span id="L75" class="LineNr"> 75 </span><span class="traceContains">+run: storing 0x0d0c0b0a</span> <span id="L76" class="LineNr"> 76 </span> <span id="L77" class="LineNr"> 77 </span><span class="Delimiter">:(code)</span> @@ -142,14 +143,14 @@ if ('onhashchange' in window) { <span id="L80" class="LineNr"> 80 </span><span class="Normal">void</span> <a href='011run.cc.html#L80'>run</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L81" class="LineNr"> 81 </span> <a href='011run.cc.html#L96'>program</a> p<span class="Delimiter">;</span> <span id="L82" class="LineNr"> 82 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> -<span id="L83" class="LineNr"> 83 </span> <a href='011run.cc.html#L124'>parse</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> -<span id="L84" class="LineNr"> 84 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L210'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// if any stage raises errors, stop immediately</span> -<span id="L85" class="LineNr"> 85 </span> transform<span class="Delimiter">(</span>p<span class="Delimiter">);</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L210'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L83" class="LineNr"> 83 </span> <a href='011run.cc.html#L125'>parse</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> +<span id="L84" class="LineNr"> 84 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L217'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// if any stage raises errors, stop immediately</span> +<span id="L85" class="LineNr"> 85 </span> <a href='011run.cc.html#L186'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L86" class="LineNr"> 86 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L217'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L87" class="LineNr"> 87 </span> <a href='011run.cc.html#L195'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L210'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L89" class="LineNr"> 89 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010vm.cc.html#L29'>EIP</a> < <a href='010vm.cc.html#L95'>End_of_program</a><span class="Delimiter">)</span> -<span id="L90" class="LineNr"> 90 </span> <a href='010vm.cc.html#L147'>run_one_instruction</a><span class="Delimiter">();</span> +<span id="L88" class="LineNr"> 88 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L217'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a> < <a href='010---vm.cc.html#L95'>End_of_program</a><span class="Delimiter">)</span> +<span id="L90" class="LineNr"> 90 </span> <a href='010---vm.cc.html#L150'>run_one_instruction</a><span class="Delimiter">();</span> <span id="L91" class="LineNr"> 91 </span><span class="Delimiter">}</span> <span id="L92" class="LineNr"> 92 </span> <span id="L93" class="LineNr"> 93 </span><span class="SalientComment">//:: core data structures</span> @@ -172,70 +173,70 @@ if ('onhashchange' in window) { <span id="L110" class="LineNr">110 </span><span class="Normal">struct</span> <a href='011run.cc.html#L110'>line</a> <span class="Delimiter">{</span> <span id="L111" class="LineNr">111 </span> vector<word> <a href='011run.cc.html#L111'>words</a><span class="Delimiter">;</span> <span id="L112" class="LineNr">112 </span> vector<string> metadata<span class="Delimiter">;</span> -<span id="L113" class="LineNr">113 </span><span class="Delimiter">};</span> -<span id="L114" class="LineNr">114 </span><span class="Delimiter">:(before "struct line")</span> -<span id="L115" class="LineNr">115 </span><span class="Normal">struct</span> <a href='011run.cc.html#L115'>word</a> <span class="Delimiter">{</span> -<span id="L116" class="LineNr">116 </span> string <a href='011run.cc.html#L116'>original</a><span class="Delimiter">;</span> -<span id="L117" class="LineNr">117 </span> string <a href='011run.cc.html#L117'>data</a><span class="Delimiter">;</span> -<span id="L118" class="LineNr">118 </span> vector<string> metadata<span class="Delimiter">;</span> -<span id="L119" class="LineNr">119 </span><span class="Delimiter">};</span> -<span id="L120" class="LineNr">120 </span> -<span id="L121" class="LineNr">121 </span><span class="SalientComment">//:: parse</span> -<span id="L122" class="LineNr">122 </span> -<span id="L123" class="LineNr">123 </span><span class="Delimiter">:(code)</span> -<span id="L124" class="LineNr">124 </span><span class="Normal">void</span> <a href='011run.cc.html#L124'>parse</a><span class="Delimiter">(</span>istream& fin<span class="Delimiter">,</span> program& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L125" class="LineNr">125 </span> vector<line> l<span class="Delimiter">;</span> -<span id="L126" class="LineNr">126 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> -<span id="L127" class="LineNr">127 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L260'>has_data</a><span class="Delimiter">(</span>fin<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L128" class="LineNr">128 </span> string line_data<span class="Delimiter">;</span> -<span id="L129" class="LineNr">129 </span> getline<span class="Delimiter">(</span>fin<span class="Delimiter">,</span> line_data<span class="Delimiter">);</span> -<span id="L130" class="LineNr">130 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"line: "</span> << line_data << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> -<span id="L131" class="LineNr">131 </span> istringstream lin<span class="Delimiter">(</span>line_data<span class="Delimiter">);</span> -<span id="L132" class="LineNr">132 </span> vector<word> w<span class="Delimiter">;</span> -<span id="L133" class="LineNr">133 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L260'>has_data</a><span class="Delimiter">(</span>lin<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L134" class="LineNr">134 </span> string word_data<span class="Delimiter">;</span> -<span id="L135" class="LineNr">135 </span> lin >> word_data<span class="Delimiter">;</span> -<span id="L136" class="LineNr">136 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L137" class="LineNr">137 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// comment</span> -<span id="L138" class="LineNr">138 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"."</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// comment token</span> -<span id="L139" class="LineNr">139 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"=="</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L140" class="LineNr">140 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!l<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L141" class="LineNr">141 </span> assert<span class="Delimiter">(</span>!out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">());</span> -<span id="L142" class="LineNr">142 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing to segment"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> -<span id="L143" class="LineNr">143 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L106'>lines</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>l<span class="Delimiter">);</span> -<span id="L144" class="LineNr">144 </span> <span class="Delimiter">}</span> -<span id="L145" class="LineNr">145 </span> segment s<span class="Delimiter">;</span> -<span id="L146" class="LineNr">146 </span> lin >> std::hex >> s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>start</a><span class="Delimiter">;</span> -<span id="L147" class="LineNr">147 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment from "</span> << <a href='010vm.cc.html#L239'>HEXWORD</a> << s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>start</a> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> -<span id="L148" class="LineNr">148 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>s<span class="Delimiter">);</span> -<span id="L149" class="LineNr">149 </span> <span class="Comment">// todo?</span> -<span id="L150" class="LineNr">150 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// skip rest of line</span> -<span id="L151" class="LineNr">151 </span> <span class="Delimiter">}</span> -<span id="L152" class="LineNr">152 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L153" class="LineNr">153 </span> <span class="Comment">// todo: line metadata</span> -<span id="L154" class="LineNr">154 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L155" class="LineNr">155 </span> <span class="Delimiter">}</span> -<span id="L156" class="LineNr">156 </span> w<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L115'>word</a><span class="Delimiter">());</span> -<span id="L157" class="LineNr">157 </span> w<span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L116'>original</a> = word_data<span class="Delimiter">;</span> -<span id="L158" class="LineNr">158 </span> istringstream win<span class="Delimiter">(</span>word_data<span class="Delimiter">);</span> -<span id="L159" class="LineNr">159 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> w<span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L117'>data</a><span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L160" class="LineNr">160 </span> string m<span class="Delimiter">;</span> -<span id="L161" class="LineNr">161 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> m<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> -<span id="L162" class="LineNr">162 </span> w<span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">);</span> -<span id="L163" class="LineNr">163 </span> <span class="Delimiter">}</span> -<span id="L164" class="LineNr">164 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new <a href='011run.cc.html#L115'>word</a>: "</span> << w<span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L117'>data</a> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> -<span id="L165" class="LineNr">165 </span> <span class="Delimiter">}</span> -<span id="L166" class="LineNr">166 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!w<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L167" class="LineNr">167 </span> l<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L110'>line</a><span class="Delimiter">());</span> -<span id="L168" class="LineNr">168 </span> l<span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>w<span class="Delimiter">);</span> -<span id="L169" class="LineNr">169 </span> <span class="Delimiter">}</span> +<span id="L113" class="LineNr">113 </span> string original<span class="Delimiter">;</span> +<span id="L114" class="LineNr">114 </span><span class="Delimiter">};</span> +<span id="L115" class="LineNr">115 </span><span class="Delimiter">:(before "struct line")</span> +<span id="L116" class="LineNr">116 </span><span class="Normal">struct</span> <a href='011run.cc.html#L116'>word</a> <span class="Delimiter">{</span> +<span id="L117" class="LineNr">117 </span> string original<span class="Delimiter">;</span> +<span id="L118" class="LineNr">118 </span> string <a href='011run.cc.html#L118'>data</a><span class="Delimiter">;</span> +<span id="L119" class="LineNr">119 </span> vector<string> metadata<span class="Delimiter">;</span> +<span id="L120" class="LineNr">120 </span><span class="Delimiter">};</span> +<span id="L121" class="LineNr">121 </span> +<span id="L122" class="LineNr">122 </span><span class="SalientComment">//:: parse</span> +<span id="L123" class="LineNr">123 </span> +<span id="L124" class="LineNr">124 </span><span class="Delimiter">:(code)</span> +<span id="L125" class="LineNr">125 </span><span class="Normal">void</span> <a href='011run.cc.html#L125'>parse</a><span class="Delimiter">(</span>istream& fin<span class="Delimiter">,</span> program& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L126" class="LineNr">126 </span> vector<line> l<span class="Delimiter">;</span> +<span id="L127" class="LineNr">127 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L128" class="LineNr">128 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L260'>has_data</a><span class="Delimiter">(</span>fin<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L129" class="LineNr">129 </span> string line_data<span class="Delimiter">;</span> +<span id="L130" class="LineNr">130 </span> <a href='011run.cc.html#L110'>line</a> curr<span class="Delimiter">;</span> +<span id="L131" class="LineNr">131 </span> getline<span class="Delimiter">(</span>fin<span class="Delimiter">,</span> line_data<span class="Delimiter">);</span> +<span id="L132" class="LineNr">132 </span> curr<span class="Delimiter">.</span>original = line_data<span class="Delimiter">;</span> +<span id="L133" class="LineNr">133 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"line: "</span> << line_data << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L134" class="LineNr">134 </span> istringstream lin<span class="Delimiter">(</span>line_data<span class="Delimiter">);</span> +<span id="L135" class="LineNr">135 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L260'>has_data</a><span class="Delimiter">(</span>lin<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L136" class="LineNr">136 </span> string word_data<span class="Delimiter">;</span> +<span id="L137" class="LineNr">137 </span> lin >> word_data<span class="Delimiter">;</span> +<span id="L138" class="LineNr">138 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L139" class="LineNr">139 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// comment</span> +<span id="L140" class="LineNr">140 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"."</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// comment token</span> +<span id="L141" class="LineNr">141 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"=="</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L142" class="LineNr">142 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!l<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L143" class="LineNr">143 </span> assert<span class="Delimiter">(</span>!out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">());</span> +<span id="L144" class="LineNr">144 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing to segment"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L145" class="LineNr">145 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L106'>lines</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>l<span class="Delimiter">);</span> +<span id="L146" class="LineNr">146 </span> <span class="Delimiter">}</span> +<span id="L147" class="LineNr">147 </span> segment s<span class="Delimiter">;</span> +<span id="L148" class="LineNr">148 </span> lin >> std::hex >> s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>start</a><span class="Delimiter">;</span> +<span id="L149" class="LineNr">149 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment from "</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>start</a> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L150" class="LineNr">150 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>s<span class="Delimiter">);</span> +<span id="L151" class="LineNr">151 </span> <span class="Comment">// todo?</span> +<span id="L152" class="LineNr">152 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// skip rest of line</span> +<span id="L153" class="LineNr">153 </span> <span class="Delimiter">}</span> +<span id="L154" class="LineNr">154 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L155" class="LineNr">155 </span> <span class="Comment">// todo: line metadata</span> +<span id="L156" class="LineNr">156 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L157" class="LineNr">157 </span> <span class="Delimiter">}</span> +<span id="L158" class="LineNr">158 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L116'>word</a><span class="Delimiter">());</span> +<span id="L159" class="LineNr">159 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>original = word_data<span class="Delimiter">;</span> +<span id="L160" class="LineNr">160 </span> istringstream win<span class="Delimiter">(</span>word_data<span class="Delimiter">);</span> +<span id="L161" class="LineNr">161 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L118'>data</a><span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L162" class="LineNr">162 </span> string m<span class="Delimiter">;</span> +<span id="L163" class="LineNr">163 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> m<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> +<span id="L164" class="LineNr">164 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">);</span> +<span id="L165" class="LineNr">165 </span> <span class="Delimiter">}</span> +<span id="L166" class="LineNr">166 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new <a href='011run.cc.html#L116'>word</a>: "</span> << curr<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L118'>data</a> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L167" class="LineNr">167 </span> <span class="Delimiter">}</span> +<span id="L168" class="LineNr">168 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> +<span id="L169" class="LineNr">169 </span> l<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> <span id="L170" class="LineNr">170 </span> <span class="Delimiter">}</span> <span id="L171" class="LineNr">171 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!l<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> <span id="L172" class="LineNr">172 </span> assert<span class="Delimiter">(</span>!out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">());</span> -<span id="L173" class="LineNr">173 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing to segment"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L173" class="LineNr">173 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing to segment"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L174" class="LineNr">174 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L106'>lines</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>l<span class="Delimiter">);</span> <span id="L175" class="LineNr">175 </span> <span class="Delimiter">}</span> -<span id="L176" class="LineNr">176 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L176" class="LineNr">176 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L177" class="LineNr">177 </span><span class="Delimiter">}</span> <span id="L178" class="LineNr">178 </span> <span id="L179" class="LineNr">179 </span><span class="SalientComment">//:: transform</span> @@ -245,80 +246,119 @@ if ('onhashchange' in window) { <span id="L183" class="LineNr">183 </span><span class="Delimiter">:(before "End Globals")</span> <span id="L184" class="LineNr">184 </span>vector<transform_fn> <a href='011run.cc.html#L184'>Transform</a><span class="Delimiter">;</span> <span id="L185" class="LineNr">185 </span> -<span id="L186" class="LineNr">186 </span><span class="Normal">void</span> transform<span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L187" class="LineNr">187 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L186" class="LineNr">186 </span><span class="Normal">void</span> <a href='011run.cc.html#L186'>transform</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L187" class="LineNr">187 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L188" class="LineNr">188 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span> t < <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span><a href='011run.cc.html#L184'>Transform</a><span class="Delimiter">);</span> ++t<span class="Delimiter">)</span> <span id="L189" class="LineNr">189 </span> <span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>p<span class="Delimiter">);</span> -<span id="L190" class="LineNr">190 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L190" class="LineNr">190 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L191" class="LineNr">191 </span><span class="Delimiter">}</span> <span id="L192" class="LineNr">192 </span> <span id="L193" class="LineNr">193 </span><span class="SalientComment">//:: load</span> <span id="L194" class="LineNr">194 </span> <span id="L195" class="LineNr">195 </span><span class="Normal">void</span> <a href='011run.cc.html#L195'>load</a><span class="Delimiter">(</span><span class="Normal">const</span> program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L196" class="LineNr">196 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L196" class="LineNr">196 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L197" class="LineNr">197 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L198" class="LineNr">198 </span> <a href='003trace.cc.html#L197'>raise</a> << <span class="Constant">"no code to <a href='011run.cc.html#L80'>run</a></span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L198" class="LineNr">198 </span> <a href='003trace.cc.html#L203'>raise</a> << <span class="Constant">"no code to <a href='011run.cc.html#L80'>run</a></span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L199" class="LineNr">199 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L200" class="LineNr">200 </span> <span class="Delimiter">}</span> <span id="L201" class="LineNr">201 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L202" class="LineNr">202 </span> <span class="Normal">const</span> segment& seg = p<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L203" class="LineNr">203 </span> <span class="Normal">uint32_t</span> addr = seg<span class="Delimiter">.</span><a href='011run.cc.html#L105'>start</a><span class="Delimiter">;</span> -<span id="L204" class="LineNr">204 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"loading segment "</span> << i << <span class="Constant">" from "</span> << <a href='010vm.cc.html#L239'>HEXWORD</a> << addr << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L204" class="LineNr">204 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"loading segment "</span> << i << <span class="Constant">" from "</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << addr << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L205" class="LineNr">205 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>seg<span class="Delimiter">.</span><a href='011run.cc.html#L106'>lines</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L206" class="LineNr">206 </span> <span class="Normal">const</span> line& l = seg<span class="Delimiter">.</span><a href='011run.cc.html#L106'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> <span id="L207" class="LineNr">207 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> k = <span class="Constant">0</span><span class="Delimiter">;</span> k < <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">);</span> ++k<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L208" class="LineNr">208 </span> <span class="Normal">const</span> word& w = l<span class="Delimiter">.</span><a href='011run.cc.html#L111'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>k<span class="Delimiter">);</span> -<span id="L209" class="LineNr">209 </span> <span class="Normal">uint8_t</span> val = <a href='011run.cc.html#L222'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span><a href='011run.cc.html#L117'>data</a><span class="Delimiter">);</span> -<span id="L210" class="LineNr">210 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L210'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L211" class="LineNr">211 </span> <a href='010vm.cc.html#L130'>write_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">,</span> val<span class="Delimiter">);</span> -<span id="L212" class="LineNr">212 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"0x"</span> << <a href='010vm.cc.html#L239'>HEXWORD</a> << addr << <span class="Constant">" -> "</span> << <a href='010vm.cc.html#L238'>HEXBYTE</a> << <a href='010vm.cc.html#L241'>NUM</a><span class="Delimiter">(</span><a href='010vm.cc.html#L104'>read_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">))</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L209" class="LineNr">209 </span> <span class="Normal">uint8_t</span> val = <a href='011run.cc.html#L222'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span><a href='011run.cc.html#L118'>data</a><span class="Delimiter">);</span> +<span id="L210" class="LineNr">210 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L217'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L211" class="LineNr">211 </span> <a href='010---vm.cc.html#L133'>write_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">,</span> val<span class="Delimiter">);</span> +<span id="L212" class="LineNr">212 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << addr << <span class="Constant">" -> "</span> << <a href='010---vm.cc.html#L259'>HEXBYTE</a> << <a href='010---vm.cc.html#L262'>NUM</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L104'>read_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">))</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L213" class="LineNr">213 </span> ++addr<span class="Delimiter">;</span> <span id="L214" class="LineNr">214 </span> <span class="Delimiter">}</span> <span id="L215" class="LineNr">215 </span> <span class="Delimiter">}</span> -<span id="L216" class="LineNr">216 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> <a href='010vm.cc.html#L95'>End_of_program</a> = addr<span class="Delimiter">;</span> +<span id="L216" class="LineNr">216 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> <a href='010---vm.cc.html#L95'>End_of_program</a> = addr<span class="Delimiter">;</span> <span id="L217" class="LineNr">217 </span> <span class="Delimiter">}</span> -<span id="L218" class="LineNr">218 </span> <a href='010vm.cc.html#L29'>EIP</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L105'>start</a><span class="Delimiter">;</span> -<span id="L219" class="LineNr">219 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L218" class="LineNr">218 </span> <a href='010---vm.cc.html#L29'>EIP</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L97'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L105'>start</a><span class="Delimiter">;</span> +<span id="L219" class="LineNr">219 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L220" class="LineNr">220 </span><span class="Delimiter">}</span> <span id="L221" class="LineNr">221 </span> <span id="L222" class="LineNr">222 </span><span class="Normal">uint8_t</span> <a href='011run.cc.html#L222'>hex_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L223" class="LineNr">223 </span> istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span> <span id="L224" class="LineNr">224 </span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> <span id="L225" class="LineNr">225 </span> in >> std::hex >> result<span class="Delimiter">;</span> -<span id="L226" class="LineNr">226 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L227" class="LineNr">227 </span> <a href='003trace.cc.html#L197'>raise</a> << <span class="Constant">"invalid hex "</span> << s << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L226" class="LineNr">226 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L227" class="LineNr">227 </span> <a href='003trace.cc.html#L203'>raise</a> << <span class="Constant">"token '"</span> << s << <span class="Constant">"' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L228" class="LineNr">228 </span> <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> <span id="L229" class="LineNr">229 </span> <span class="Delimiter">}</span> -<span id="L230" class="LineNr">230 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result > <span class="Constant">0xff</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L231" class="LineNr">231 </span> <a href='003trace.cc.html#L197'>raise</a> << <span class="Constant">"invalid hex byte "</span> << std::hex << result << <span class="cSpecial">'\n'</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> +<span id="L230" class="LineNr">230 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result > <span class="Constant">0xff</span> || result < -<span class="Constant">0x8f</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L231" class="LineNr">231 </span> <a href='003trace.cc.html#L203'>raise</a> << <span class="Constant">"token '"</span> << s << <span class="Constant">"' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> <span id="L232" class="LineNr">232 </span> <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> <span id="L233" class="LineNr">233 </span> <span class="Delimiter">}</span> <span id="L234" class="LineNr">234 </span> <span class="Identifier">return</span> <span class="Normal">static_cast</span><<span class="Normal">uint8_t</span>><span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span id="L235" class="LineNr">235 </span><span class="Delimiter">}</span> <span id="L236" class="LineNr">236 </span> -<span id="L237" class="LineNr">237 </span><span class="SalientComment">//:: run</span> -<span id="L238" class="LineNr">238 </span> -<span id="L239" class="LineNr">239 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> -<span id="L240" class="LineNr">240 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010vm.cc.html#L207'>name</a><span class="Delimiter">,</span> <span class="Constant">"05"</span><span class="Delimiter">,</span> <span class="Constant">"add <a href='011run.cc.html#L253'>imm32</a> to R0 (EAX)"</span><span class="Delimiter">);</span> -<span id="L241" class="LineNr">241 </span> -<span id="L242" class="LineNr">242 </span><span class="Comment">//: our first opcode</span> -<span id="L243" class="LineNr">243 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> -<span id="L244" class="LineNr">244 </span><span class="Normal">case</span> <span class="Constant">0x05</span>: <span class="Delimiter">{</span> <span class="Comment">// add imm32 to EAX</span> -<span id="L245" class="LineNr">245 </span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L253'>imm32</a><span class="Delimiter">();</span> -<span id="L246" class="LineNr">246 </span> <a href='003trace.cc.html#L190'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"add <a href='011run.cc.html#L253'>imm32</a> 0x"</span> << <a href='010vm.cc.html#L239'>HEXWORD</a> << arg2 << <span class="Constant">" to <a href='010vm.cc.html#L23'>reg</a> EAX"</span> << <a href='003trace.cc.html#L215'>end</a><span class="Delimiter">();</span> -<span id="L247" class="LineNr">247 </span> <a href='010vm.cc.html#L69'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>+<span class="Delimiter">,</span> Reg[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> -<span id="L248" class="LineNr">248 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L249" class="LineNr">249 </span><span class="Delimiter">}</span> -<span id="L250" class="LineNr">250 </span> -<span id="L251" class="LineNr">251 </span><span class="Delimiter">:(code)</span> -<span id="L252" class="LineNr">252 </span><span class="Comment">// read a 32-bit immediate in little-endian order from the instruction stream</span> -<span id="L253" class="LineNr">253 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L253'>imm32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L254" class="LineNr">254 </span> <span class="Normal">int32_t</span> result = <a href='010vm.cc.html#L193'>next</a><span class="Delimiter">();</span> -<span id="L255" class="LineNr">255 </span> result |= <span class="Delimiter">(</span><a href='010vm.cc.html#L193'>next</a><span class="Delimiter">()</span><<<span class="Constant">8</span><span class="Delimiter">);</span> -<span id="L256" class="LineNr">256 </span> result |= <span class="Delimiter">(</span><a href='010vm.cc.html#L193'>next</a><span class="Delimiter">()</span><<<span class="Constant">16</span><span class="Delimiter">);</span> -<span id="L257" class="LineNr">257 </span> result |= <span class="Delimiter">(</span><a href='010vm.cc.html#L193'>next</a><span class="Delimiter">()</span><<<span class="Constant">24</span><span class="Delimiter">);</span> -<span id="L258" class="LineNr">258 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L259" class="LineNr">259 </span><span class="Delimiter">}</span> +<span id="L237" class="LineNr">237 </span><span class="Delimiter">:(scenarios parse_and_load)</span> +<span id="L238" class="LineNr">238 </span><span class="Delimiter">:(scenario number_too_large)</span> +<span id="L239" class="LineNr">239 </span><span class="Special">% Hide_errors = true;</span> +<span id="L240" class="LineNr">240 </span>== <span class="Constant">0x1</span> +<span id="L241" class="LineNr">241 </span><span class="PreProc">0</span><span class="Constant">5</span> cab +<span id="L242" class="LineNr">242 </span><span class="traceContains">+error: token 'cab' is not a hex byte</span> +<span id="L243" class="LineNr">243 </span> +<span id="L244" class="LineNr">244 </span><span class="Delimiter">:(scenario invalid_hex)</span> +<span id="L245" class="LineNr">245 </span><span class="Special">% Hide_errors = true;</span> +<span id="L246" class="LineNr">246 </span>== <span class="Constant">0x1</span> +<span id="L247" class="LineNr">247 </span><span class="PreProc">0</span><span class="Constant">5</span> cx +<span id="L248" class="LineNr">248 </span><span class="traceContains">+error: token 'cx' is not a hex byte</span> +<span id="L249" class="LineNr">249 </span> +<span id="L250" class="LineNr">250 </span><span class="Delimiter">:(scenario negative_number)</span> +<span id="L251" class="LineNr">251 </span>== <span class="Constant">0x1</span> +<span id="L252" class="LineNr">252 </span><span class="PreProc">0</span><span class="Constant">5</span> -<span class="Constant">12</span> +<span id="L253" class="LineNr">253 </span>$error: <span class="Constant">0</span> +<span id="L254" class="LineNr">254 </span> +<span id="L255" class="LineNr">255 </span><span class="Delimiter">:(scenario negative_number_too_small)</span> +<span id="L256" class="LineNr">256 </span><span class="Special">% Hide_errors = true;</span> +<span id="L257" class="LineNr">257 </span>== <span class="Constant">0x1</span> +<span id="L258" class="LineNr">258 </span><span class="PreProc">0</span><span class="Constant">5</span> -<span class="Constant">12345</span> +<span id="L259" class="LineNr">259 </span><span class="traceContains">+error: token '-12345' is not a hex byte</span> +<span id="L260" class="LineNr">260 </span> +<span id="L261" class="LineNr">261 </span><span class="Delimiter">:(scenario hex_prefix)</span> +<span id="L262" class="LineNr">262 </span>== <span class="Constant">0x1</span> +<span id="L263" class="LineNr">263 </span><span class="Constant">0x05</span> -<span class="Constant">0x12</span> +<span id="L264" class="LineNr">264 </span>$error: <span class="Constant">0</span> +<span id="L265" class="LineNr">265 </span> +<span id="L266" class="LineNr">266 </span><span class="Comment">//: helper for tests</span> +<span id="L267" class="LineNr">267 </span><span class="Delimiter">:(code)</span> +<span id="L268" class="LineNr">268 </span><span class="Normal">void</span> <a href='011run.cc.html#L268'>parse_and_load</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L269" class="LineNr">269 </span> <a href='011run.cc.html#L96'>program</a> p<span class="Delimiter">;</span> +<span id="L270" class="LineNr">270 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> +<span id="L271" class="LineNr">271 </span> <a href='011run.cc.html#L125'>parse</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> +<span id="L272" class="LineNr">272 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L217'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// if any stage raises errors, stop immediately</span> +<span id="L273" class="LineNr">273 </span> <a href='011run.cc.html#L195'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L274" class="LineNr">274 </span><span class="Delimiter">}</span> +<span id="L275" class="LineNr">275 </span> +<span id="L276" class="LineNr">276 </span><span class="SalientComment">//:: run</span> +<span id="L277" class="LineNr">277 </span> +<span id="L278" class="LineNr">278 </span><span class="Delimiter">:(before "End Initialize Op Names(name)")</span> +<span id="L279" class="LineNr">279 </span><a href='001help.cc.html#L243'>put</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L228'>name</a><span class="Delimiter">,</span> <span class="Constant">"05"</span><span class="Delimiter">,</span> <span class="Constant">"add <a href='011run.cc.html#L292'>imm32</a> to R0 (EAX)"</span><span class="Delimiter">);</span> +<span id="L280" class="LineNr">280 </span> +<span id="L281" class="LineNr">281 </span><span class="Comment">//: our first opcode</span> +<span id="L282" class="LineNr">282 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> +<span id="L283" class="LineNr">283 </span><span class="Normal">case</span> <span class="Constant">0x05</span>: <span class="Delimiter">{</span> <span class="Comment">// add imm32 to EAX</span> +<span id="L284" class="LineNr">284 </span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L292'>imm32</a><span class="Delimiter">();</span> +<span id="L285" class="LineNr">285 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"add <a href='011run.cc.html#L292'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L260'>HEXWORD</a> << arg2 << <span class="Constant">" to <a href='010---vm.cc.html#L23'>reg</a> EAX"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L286" class="LineNr">286 </span> <a href='010---vm.cc.html#L69'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>+<span class="Delimiter">,</span> Reg[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> +<span id="L287" class="LineNr">287 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L288" class="LineNr">288 </span><span class="Delimiter">}</span> +<span id="L289" class="LineNr">289 </span> +<span id="L290" class="LineNr">290 </span><span class="Delimiter">:(code)</span> +<span id="L291" class="LineNr">291 </span><span class="Comment">// read a 32-bit immediate in little-endian order from the instruction stream</span> +<span id="L292" class="LineNr">292 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L292'>imm32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L293" class="LineNr">293 </span> <span class="Normal">int32_t</span> result = <a href='010---vm.cc.html#L214'>next</a><span class="Delimiter">();</span> +<span id="L294" class="LineNr">294 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L214'>next</a><span class="Delimiter">()</span><<<span class="Constant">8</span><span class="Delimiter">);</span> +<span id="L295" class="LineNr">295 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L214'>next</a><span class="Delimiter">()</span><<<span class="Constant">16</span><span class="Delimiter">);</span> +<span id="L296" class="LineNr">296 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L214'>next</a><span class="Delimiter">()</span><<<span class="Constant">24</span><span class="Delimiter">);</span> +<span id="L297" class="LineNr">297 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L298" class="LineNr">298 </span><span class="Delimiter">}</span> </pre> </body> </html> |