diff options
| author | Kartik K. Agaram <vc@akkartik.com> | 2015-11-10 21:35:42 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2015-11-10 21:43:45 -0800 |
| commit | 76755b2836b0dadd88f82635f661f9d9df77604d (patch) | |
| tree | f4f4429510c739fd1f9e51edd10e03c27107acba /html/041jump_target.cc.html | |
| parent | 080e9cb73fa55cdc862f1dd7593df56e0a6302b8 (diff) | |
| download | mu-76755b2836b0dadd88f82635f661f9d9df77604d.tar.gz | |
2423 - describe shape-shifting in html docs
Diffstat (limited to 'html/041jump_target.cc.html')
| -rw-r--r-- | html/041jump_target.cc.html | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/html/041jump_target.cc.html b/html/041jump_target.cc.html index 8c0ce0cf..53f93910 100644 --- a/html/041jump_target.cc.html +++ b/html/041jump_target.cc.html @@ -13,8 +13,8 @@ pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } body { font-family: monospace; color: #eeeeee; background-color: #080808; } * { font-size: 1.05em; } -.traceAbsent { color: #c00000; } .traceContains { color: #008000; } +.traceAbsent { color: #c00000; } .cSpecial { color: #008000; } .Comment { color: #9090ff; } .Delimiter { color: #a04060; } @@ -50,41 +50,41 @@ recipe main [ <span class="traceAbsent">-mem: storing 0 in location 1</span> <span class="Delimiter">:(before "End Mu Types Initialization")</span> -Type_ordinal[<span class="Constant">"label"</span>] = <span class="Constant">0</span><span class="Delimiter">;</span> +put<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"label"</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span> -<span class="Delimiter">:(after "int main")</span> - Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>transform_labels<span class="Delimiter">);</span> +<span class="Delimiter">:(before "Transform.push_back(transform_braces)")</span> +Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>transform_labels<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> <span class="Delimiter">:(code)</span> void transform_labels<span class="Delimiter">(</span>const recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> map<string<span class="Delimiter">,</span> long long int> offset<span class="Delimiter">;</span> - for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>Recipe[r]<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> - const instruction& inst = Recipe[r]<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + const instruction& inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> if <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>label<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && inst<span class="Delimiter">.</span>label<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'+'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> - if <span class="Delimiter">(</span>offset<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>label<span class="Delimiter">)</span> == offset<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span> + if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">))</span> <span class="Delimiter">{</span> offset[inst<span class="Delimiter">.</span>label] = i<span class="Delimiter">;</span> <span class="Delimiter">}</span> else <span class="Delimiter">{</span> - raise << Recipe[r]<span class="Delimiter">.</span>name << <span class="Constant">": duplicate label '"</span> << inst<span class="Delimiter">.</span>label << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> + raise_error << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"duplicate label '"</span> << inst<span class="Delimiter">.</span>label << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span class="Comment">// have all jumps skip some random but noticeable and deterministic amount of code</span> offset[inst<span class="Delimiter">.</span>label] = <span class="Constant">9999</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> - for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>Recipe[r]<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> - instruction& inst = Recipe[r]<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> - if <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"jump"</span>]<span class="Delimiter">)</span> <span class="Delimiter">{</span> + for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + instruction& inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + if <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"jump"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> replace_offset<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span> <span class="Delimiter">}</span> - if <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"jump-if"</span>] || inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"jump-unless"</span>]<span class="Delimiter">)</span> <span class="Delimiter">{</span> + if <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"jump-if"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"jump-unless"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> replace_offset<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span> <span class="Delimiter">}</span> - if <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"loop"</span>] || inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"break"</span>]<span class="Delimiter">)</span> + if <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"loop"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"break"</span><span class="Delimiter">)</span> && SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> replace_offset<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span> <span class="Delimiter">}</span> - if <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"loop-if"</span>] || inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"loop-unless"</span>] - || inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"break-if"</span>] || inst<span class="Delimiter">.</span>operation == Recipe_ordinal[<span class="Constant">"break-unless"</span>]<span class="Delimiter">)</span> + if <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"loop-if"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"loop-unless"</span> + || inst<span class="Delimiter">.</span>name == <span class="Constant">"break-if"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"break-unless"</span><span class="Delimiter">)</span> && SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> == <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> replace_offset<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">),</span> offset<span class="Delimiter">,</span> i<span class="Delimiter">,</span> r<span class="Delimiter">);</span> <span class="Delimiter">}</span> @@ -94,19 +94,19 @@ void transform_labels<span class="Delimiter">(</span>const recipe_ordinal r<span <span class="Delimiter">:(code)</span> void replace_offset<span class="Delimiter">(</span>reagent& x<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> map<string<span class="Delimiter">,</span> long long int>& offset<span class="Delimiter">,</span> const long long int current_offset<span class="Delimiter">,</span> const recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> if <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span> - raise << Recipe[r]<span class="Delimiter">.</span>name << <span class="Constant">": jump target must be offset or label but is "</span> << x<span class="Delimiter">.</span>original_string << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> + raise_error << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"jump target must be offset or label but is "</span> << x<span class="Delimiter">.</span>original_string << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> x<span class="Delimiter">.</span>set_value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// no jump by default</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> assert<span class="Delimiter">(</span>!x<span class="Delimiter">.</span>initialized<span class="Delimiter">);</span> if <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// non-labels will be handled like other number operands</span> if <span class="Delimiter">(</span>!is_jump_target<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span> - raise << Recipe[r]<span class="Delimiter">.</span>name << <span class="Constant">": can't jump to label "</span> << x<span class="Delimiter">.</span>name << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> + raise_error << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"can't jump to label "</span> << x<span class="Delimiter">.</span>name << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> x<span class="Delimiter">.</span>set_value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// no jump by default</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> - if <span class="Delimiter">(</span>offset<span class="Delimiter">.</span>find<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">)</span> == offset<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span> - raise << Recipe[r]<span class="Delimiter">.</span>name << <span class="Constant">": can't find label "</span> << x<span class="Delimiter">.</span>name << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> + if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise_error << maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> << <span class="Constant">"can't find label "</span> << x<span class="Delimiter">.</span>name << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> x<span class="Delimiter">.</span>set_value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// no jump by default</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> @@ -167,18 +167,18 @@ recipe main [ <span class="traceContains">+mem: storing 0 in location 5</span> <span class="traceAbsent">-mem: storing 0 in location 4</span> -<span class="Delimiter">:(scenario recipe_warns_on_duplicate_jump_target)</span> -<span class="Special">% Hide_warnings = true;</span> +<span class="Delimiter">:(scenario recipe_fails_on_duplicate_jump_target)</span> +<span class="Special">% Hide_errors = true;</span> recipe main [ +label <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> +label <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> ] -<span class="traceContains">+warn: main: duplicate label '+label'</span> +<span class="traceContains">+error: main: duplicate label '+label'</span> <span class="Delimiter">:(scenario jump_ignores_nontarget_label)</span> -<span class="Special">% Hide_warnings = true;</span> +<span class="Special">% Hide_errors = true;</span> recipe main [ <span class="Comment"># first a few lines of padding to exercise the offset computation</span> <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> @@ -189,7 +189,7 @@ recipe main [ $target <span class="Constant">5</span>:number<span class="Special"> <- </span>copy <span class="Constant">0</span> ] -<span class="traceContains">+warn: main: can't jump to label $target</span> +<span class="traceContains">+error: main: can't jump to label $target</span> </pre> </body> </html> |