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| author | Kartik K. Agaram <vc@akkartik.com> | 2016-03-26 23:59:59 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2016-03-27 17:43:41 -0700 |
| commit | a654e4ecace2d506d1b10f1dde2c287ebe84ef37 (patch) | |
| tree | 1e34a3ad99a56e32bdf9ee03ecfe7d339e7942ae /html/055recipe_header.cc.html | |
| parent | 859f35fbe2f6a78157b875e12eb7dc8cd95c1152 (diff) | |
| download | mu-a654e4ecace2d506d1b10f1dde2c287ebe84ef37.tar.gz | |
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Diffstat (limited to 'html/055recipe_header.cc.html')
| -rw-r--r-- | html/055recipe_header.cc.html | 549 |
1 files changed, 549 insertions, 0 deletions
diff --git a/html/055recipe_header.cc.html b/html/055recipe_header.cc.html new file mode 100644 index 00000000..52ee83d5 --- /dev/null +++ b/html/055recipe_header.cc.html @@ -0,0 +1,549 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - 055recipe_header.cc</title> +<meta name="Generator" content="Vim/7.4"> +<meta name="plugin-version" content="vim7.4_v2"> +<meta name="syntax" content="cpp"> +<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="colorscheme" content="minimal"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; } +body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; } +* { font-size: 12pt; font-size: 1em; } +.Constant { color: #00a0a0; } +.traceAbsent { color: #c00000; } +.cSpecial { color: #008000; } +.traceContains { color: #008000; } +.SalientComment { color: #00ffff; } +.Comment { color: #9090ff; } +.Delimiter { color: #800080; } +.Special { color: #c00000; } +.Identifier { color: #fcb165; } +.Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; } +.Error { color: #ffffff; background-color: #ff6060; padding-bottom: 1px; } +--> +</style> + +<script type='text/javascript'> +<!-- + +--> +</script> +</head> +<body> +<pre id='vimCodeElement'> +<span class="Comment">//: Advanced notation for the common/easy case where a recipe takes some fixed</span> +<span class="Comment">//: number of ingredients and yields some fixed number of products.</span> + +<span class="Delimiter">:(scenario recipe_with_header)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span> +] +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> z:number [ + local-scope + load-ingredients + <span class="Normal">z</span>:number<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y + <span class="Identifier">return</span> z +] +<span class="traceContains">+mem: storing 8 in location 1</span> + +<span class="Comment">//: When loading recipes save any header.</span> + +<span class="Delimiter">:(before "End recipe Fields")</span> +<span class="Normal">bool</span> has_header<span class="Delimiter">;</span> +vector<reagent> ingredients<span class="Delimiter">;</span> +vector<reagent> products<span class="Delimiter">;</span> +<span class="Delimiter">:(before "End recipe Constructor")</span> +has_header = <span class="Constant">false</span><span class="Delimiter">;</span> + +<span class="Delimiter">:(before "End Recipe Refinements")</span> +<span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"recipe has a header; parsing"</span> << end<span class="Delimiter">();</span> + load_recipe_header<span class="Delimiter">(</span>in<span class="Delimiter">,</span> result<span class="Delimiter">);</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> load_recipe_header<span class="Delimiter">(</span>istream& in<span class="Delimiter">,</span> recipe& result<span class="Delimiter">)</span> <span class="Delimiter">{</span> + result<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</span> + <span class="Normal">while</span> <span class="Delimiter">(</span>has_data<span class="Delimiter">(</span>in<span class="Delimiter">)</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + string s = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">"->"</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> + result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>s<span class="Delimiter">));</span> + trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"header ingredient: "</span> << result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>back<span class="Delimiter">().</span>original_string << end<span class="Delimiter">();</span> + skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Delimiter">}</span> + <span class="Normal">while</span> <span class="Delimiter">(</span>has_data<span class="Delimiter">(</span>in<span class="Delimiter">)</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="Constant">'['</span> && in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> != <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + string s = next_word<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + result<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span>s<span class="Delimiter">));</span> + trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"header product: "</span> << result<span class="Delimiter">.</span>products<span class="Delimiter">.</span>back<span class="Delimiter">().</span>original_string << end<span class="Delimiter">();</span> + skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span> + <span class="Delimiter">}</span> + <span class="Comment">// End Load Recipe Header(result)</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(scenario recipe_handles_stray_comma)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span> +] +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> z:number<span class="Delimiter">,</span> [ + local-scope + load-ingredients + <span class="Normal">z</span>:number<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y + <span class="Identifier">return</span> z +] +<span class="traceContains">+mem: storing 8 in location 1</span> + +<span class="Delimiter">:(scenario recipe_handles_stray_comma_2)</span> +def main [ + foo +] +def foo<span class="Delimiter">,</span> [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span> +] +def bar [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">3</span> +] +<span class="traceContains">+mem: storing 4 in location 1</span> + +<span class="Delimiter">:(scenario recipe_handles_missing_bracket)</span> +<span class="Special">% Hide_errors = true;</span> +def main +<span class="Error">]</span> +<span class="traceContains">+error: recipe body must begin with '['</span> + +<span class="Delimiter">:(scenario recipe_handles_missing_bracket_2)</span> +<span class="Special">% Hide_errors = true;</span> +def main + local-scope + <span class="Delimiter">{</span> + <span class="Delimiter">}</span> +<span class="Error">]</span> +<span class="Comment"># doesn't overflow line when reading header</span> +<span class="traceAbsent">-parse: header ingredient: local-scope</span> +<span class="traceContains">+error: recipe body must begin with '['</span> + +<span class="Delimiter">:(scenario recipe_handles_missing_bracket_3)</span> +<span class="Special">% Hide_errors = true;</span> +def main <span class="Comment"># comment</span> + local-scope + <span class="Delimiter">{</span> + <span class="Delimiter">}</span> +<span class="Error">]</span> +<span class="Comment"># doesn't overflow line when reading header</span> +<span class="traceAbsent">-parse: header ingredient: local-scope</span> +<span class="traceContains">+error: recipe body must begin with '['</span> + +<span class="Delimiter">:(after "Begin debug_string(recipe x)")</span> +out << <span class="Constant">"ingredients:</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</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 < SIZE<span class="Delimiter">(</span>x<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> + out << <span class="Constant">" "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +out << <span class="Constant">"products:</span><span class="cSpecial">\n</span><span class="Constant">"</span><span class="Delimiter">;</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 < SIZE<span class="Delimiter">(</span>x<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> + out << <span class="Constant">" "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> + +<span class="Comment">//: If a recipe never mentions any ingredients or products, assume it has a header.</span> + +<span class="Delimiter">:(scenario recipe_without_ingredients_or_products_has_header)</span> +def test [ + <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span> +] +<span class="traceContains">+parse: recipe test has a header</span> + +<span class="Delimiter">:(before "End Recipe Body(result)")</span> +<span class="Normal">if</span> <span class="Delimiter">(</span>!result<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span> + result<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</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 < SIZE<span class="Delimiter">(</span>result<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">const</span> instruction& inst = result<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">((</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"reply"</span> && !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> + || <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"return"</span> && !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> + || inst<span class="Delimiter">.</span>name == <span class="Constant">"next-ingredient"</span> + || inst<span class="Delimiter">.</span>name == <span class="Constant">"ingredient"</span> + || inst<span class="Delimiter">.</span>name == <span class="Constant">"rewind-ingredients"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + result<span class="Delimiter">.</span>has_header = <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> +<span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span> + trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"recipe "</span> << result<span class="Delimiter">.</span>name << <span class="Constant">" has a header"</span> << end<span class="Delimiter">();</span> +<span class="Delimiter">}</span> + +<span class="Comment">//: Rewrite 'load-ingredients' to instructions to create all reagents in the header.</span> + +<span class="Delimiter">:(before "End Rewrite Instruction(curr, recipe result)")</span> +<span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">"load-ingredients"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + curr<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + recipe_ordinal op = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"next-ingredient-without-typechecking"</span><span class="Delimiter">);</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 < SIZE<span class="Delimiter">(</span>result<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + curr<span class="Delimiter">.</span>operation = op<span class="Delimiter">;</span> + curr<span class="Delimiter">.</span>name = <span class="Constant">"next-ingredient-without-typechecking"</span><span class="Delimiter">;</span> + curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> + result<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> + curr<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Comment">//: internal version of next-ingredient; don't call this directly</span> +<span class="Delimiter">:(before "End Primitive Recipe Declarations")</span> +NEXT_INGREDIENT_WITHOUT_TYPECHECKING<span class="Delimiter">,</span> +<span class="Delimiter">:(before "End Primitive Recipe Numbers")</span> +put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">"next-ingredient-without-typechecking"</span><span class="Delimiter">,</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING<span class="Delimiter">);</span> +<span class="Delimiter">:(before "End Primitive Recipe Checks")</span> +<span class="Normal">case</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING: <span class="Delimiter">{</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> +<span class="Delimiter">:(before "End Primitive Recipe Implementations")</span> +<span class="Normal">case</span> NEXT_INGREDIENT_WITHOUT_TYPECHECKING: <span class="Delimiter">{</span> + assert<span class="Delimiter">(</span>!Current_routine<span class="Delimiter">-></span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process < SIZE<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">))</span> <span class="Delimiter">{</span> + products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span> + current_call<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span>at<span class="Delimiter">(</span>current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">));</span> + assert<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>products<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">);</span> products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span> <span class="Comment">// push a new vector</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> + ++current_call<span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">;</span> + <span class="Delimiter">}</span> + <span class="Normal">else</span> <span class="Delimiter">{</span> + products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span> + <span class="Comment">// pad the first product with sufficient zeros to match its type</span> + <span class="Normal">int</span> size = size_of<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</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 < size<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> + products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> + <span class="Delimiter">}</span> + <span class="Identifier">break</span><span class="Delimiter">;</span> +<span class="Delimiter">}</span> + +<span class="SalientComment">//:: Check all calls against headers.</span> + +<span class="Delimiter">:(scenario show_clear_error_on_bad_call)</span> +<span class="Special">% Hide_errors = true;</span> +def main [ + <span class="Constant">1</span>:number<span class="Special"> <- </span>foo <span class="Constant">34</span> +] +def foo x:point <span class="Delimiter">-></span> y:number [ + local-scope + load-ingredients + <span class="Identifier">return</span> <span class="Constant">35</span> +] +<span class="traceContains">+error: main: ingredient 0 has the wrong type at '1:number <- foo 34'</span> + +<span class="Delimiter">:(scenario show_clear_error_on_bad_call_2)</span> +<span class="Special">% Hide_errors = true;</span> +def main [ + <span class="Constant">1</span>:point<span class="Special"> <- </span>foo <span class="Constant">34</span> +] +def foo x:number <span class="Delimiter">-></span> y:number [ + local-scope + load-ingredients + <span class="Identifier">return</span> x +] +<span class="traceContains">+error: main: product 0 has the wrong type at '1:point <- foo 34'</span> + +<span class="Delimiter">:(after "Transform.push_back(check_instruction)")</span> +Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_calls_against_header<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> check_calls_against_header<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> + trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- type-check calls inside recipe "</span> << get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << end<span class="Delimiter">();</span> + <span class="Normal">const</span> recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</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 < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">const</span> instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation < MAX_PRIMITIVE_RECIPES<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Normal">const</span> recipe& callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!callee<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < min<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> SIZE<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Comment">// ingredients coerced from call to callee</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> + raise << maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"ingredient "</span> << i << <span class="Constant">" has the wrong type at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>is_unique_address<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> + raise << maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"avoid passing non-shared addresses into calls, like ingredient "</span> << i << <span class="Constant">" at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Delimiter">}</span> + <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < min<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> SIZE<span class="Delimiter">(</span>callee<span class="Delimiter">.</span>products<span class="Delimiter">));</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Comment">// products coerced from callee to call</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> callee<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> + raise << maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"product "</span> << i << <span class="Constant">" has the wrong type at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>is_unique_address<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> + raise << maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"avoid getting non-shared addresses out of calls, like product "</span> << i << <span class="Constant">" at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Normal">bool</span> is_unique_address<span class="Delimiter">(</span>reagent x<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"address"</span><span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span> + <span class="Identifier">return</span> x<span class="Delimiter">.</span>type<span class="Delimiter">-></span>right<span class="Delimiter">-></span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">"shared"</span><span class="Delimiter">);</span> +<span class="Delimiter">}</span> + +<span class="Comment">//: additionally, flag an error on calls receiving non-shared addresses</span> + +<span class="Delimiter">:(scenario forbid_calls_with_nonshared_addresses)</span> +<span class="Special">% Hide_errors = true;</span> +def main [ + <span class="Constant">1</span>:address:number<span class="Special"> <- </span>copy <span class="Constant">0</span> + foo <span class="Constant">1</span>:address:number +] +def foo x:address:number [ + local-scope + load-ingredients +] +<span class="traceContains">+error: main: avoid passing non-shared addresses into calls, like ingredient 0 at 'foo 1:address:number'</span> + +<span class="Delimiter">:(scenario forbid_calls_with_nonshared_addresses_2)</span> +<span class="Special">% Hide_errors = true;</span> +def main [ + <span class="Constant">1</span>:address:number<span class="Special"> <- </span>foo +] +def foo <span class="Delimiter">-></span> x:address:number [ + local-scope + load-ingredients + x<span class="Special"> <- </span>copy <span class="Constant">0</span> +] +<span class="traceContains">+error: main: avoid getting non-shared addresses out of calls, like product 0 at '1:address:number <- foo '</span> + +<span class="SalientComment">//:: Check types going in and out of all recipes with headers.</span> + +<span class="Delimiter">:(scenarios transform)</span> +<span class="Delimiter">:(scenario recipe_headers_are_checked)</span> +<span class="Special">% Hide_errors = true;</span> +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> z:number [ + local-scope + load-ingredients + <span class="Normal">z</span>:address:number<span class="Special"> <- </span>copy <span class="Constant">0</span>/unsafe + <span class="Identifier">return</span> z +] +<span class="traceContains">+error: add2: replied with the wrong type at 'return z'</span> + +<span class="Delimiter">:(before "End Checks")</span> +Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_reply_instructions_against_header<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> + +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> check_reply_instructions_against_header<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">const</span> recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> + trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- checking reply instructions against header for "</span> << caller_recipe<span class="Delimiter">.</span>name << end<span class="Delimiter">();</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">const</span> instruction& inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name != <span class="Constant">"reply"</span> && inst<span class="Delimiter">.</span>name != <span class="Constant">"return"</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span> + raise << maybe<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"replied with the wrong number of products at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Delimiter">}</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> + raise << maybe<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"replied with the wrong type at '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(scenario recipe_headers_are_checked_2)</span> +<span class="Special">% Hide_errors = true;</span> +def add2 x:number<span class="Delimiter">,</span> y:number [ + local-scope + load-ingredients + <span class="Normal">z</span>:address:number<span class="Special"> <- </span>copy <span class="Constant">0</span>/unsafe + <span class="Identifier">return</span> z +] +<span class="traceContains">+error: add2: replied with the wrong number of products at 'return z'</span> + +<span class="Delimiter">:(scenario recipe_headers_check_for_duplicate_names)</span> +<span class="Special">% Hide_errors = true;</span> +def add2 x:number<span class="Delimiter">,</span> x:number <span class="Delimiter">-></span> z:number [ + local-scope + load-ingredients + <span class="Identifier">return</span> z +] +<span class="traceContains">+error: add2: x can't repeat in the ingredients</span> + +<span class="Delimiter">:(before "End recipe Fields")</span> +map<string<span class="Delimiter">,</span> <span class="Normal">int</span>> ingredient_index<span class="Delimiter">;</span> + +<span class="Delimiter">:(after "Begin Instruction Modifying Transforms")</span> +Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_header_ingredients<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> + +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> check_header_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> + recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> + caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> + trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- checking reply instructions against header for "</span> << caller_recipe<span class="Delimiter">.</span>name << end<span class="Delimiter">();</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span> + raise << maybe<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" can't repeat in the ingredients</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> + put<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> i<span class="Delimiter">);</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Comment">//: Deduce types from the header if possible.</span> + +<span class="Delimiter">:(scenarios run)</span> +<span class="Delimiter">:(scenario deduce_instruction_types_from_recipe_header)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span> +] +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> z:number [ + local-scope + load-ingredients + z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y <span class="Comment"># no type for z</span> + <span class="Identifier">return</span> z +] +<span class="traceContains">+mem: storing 8 in location 1</span> + +<span class="Delimiter">:(after "Begin Type Modifying Transforms")</span> +Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>deduce_types_from_header<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> + +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> deduce_types_from_header<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> + recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> + trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- deduce types from header for "</span> << caller_recipe<span class="Delimiter">.</span>name << end<span class="Delimiter">();</span> + map<string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*> header_type<span class="Delimiter">;</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + put<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span> + trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> + <span class="Delimiter">}</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + put<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span> + trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> + <span class="Delimiter">}</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + instruction& inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + trace<span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction: "</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << end<span class="Delimiter">();</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 < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>header_type<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> == header_type<span class="Delimiter">.</span>end<span class="Delimiter">())</span> + <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> + inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">));</span> + trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> + <span class="Delimiter">}</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 < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">" product: "</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> << end<span class="Delimiter">();</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>header_type<span class="Delimiter">.</span>find<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> == header_type<span class="Delimiter">.</span>end<span class="Delimiter">())</span> + <span class="Identifier">continue</span><span class="Delimiter">;</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> + inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>header_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">));</span> + trace<span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"type of "</span> << inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name << <span class="Constant">" is "</span> << names_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Comment">//: One final convenience: no need to say what to return if the information is</span> +<span class="Comment">//: in the header.</span> + +<span class="Delimiter">:(scenario reply_based_on_header)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span> +] +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> z:number [ + local-scope + load-ingredients + z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y + <span class="Identifier">return</span> +] +<span class="traceContains">+mem: storing 8 in location 1</span> + +<span class="Delimiter">:(after "Transform.push_back(check_header_ingredients)")</span> +Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>fill_in_reply_ingredients<span class="Delimiter">);</span> <span class="Comment">// idempotent</span> + +<span class="Delimiter">:(code)</span> +<span class="Normal">void</span> fill_in_reply_ingredients<span class="Delimiter">(</span>recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span> + recipe& caller_recipe = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> + trace<span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- fill in reply ingredients from header for recipe "</span> << caller_recipe<span class="Delimiter">.</span>name << end<span class="Delimiter">();</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + instruction& inst = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"reply"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"return"</span><span class="Delimiter">)</span> + add_header_products<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span> + <span class="Delimiter">}</span> + <span class="Comment">// fall through reply</span> + <span class="Normal">const</span> instruction& final_instruction = caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">);</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>final_instruction<span class="Delimiter">.</span>name != <span class="Constant">"reply"</span> && final_instruction<span class="Delimiter">.</span>name != <span class="Constant">"return"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> + instruction inst<span class="Delimiter">;</span> + inst<span class="Delimiter">.</span>name = <span class="Constant">"reply"</span><span class="Delimiter">;</span> + add_header_products<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span> + caller_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">);</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Normal">void</span> add_header_products<span class="Delimiter">(</span>instruction& inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe& caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span> + assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">"reply"</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">"return"</span><span class="Delimiter">);</span> + <span class="Comment">// collect any products with the same names as ingredients</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 < SIZE<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> + <span class="Comment">// if the ingredient is missing, add it from the header</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> == i<span class="Delimiter">)</span> + inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> + <span class="Comment">// if it's missing /same_as_ingredient, try to fill it in</span> + <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">)</span> && !has_property<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">"same_as_ingredient"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> + ostringstream same_as_ingredient<span class="Delimiter">;</span> + same_as_ingredient << get<span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>ingredient_index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">);</span> + inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair<string<span class="Delimiter">,</span> string_tree*><span class="Delimiter">(</span><span class="Constant">"same-as-ingredient"</span><span class="Delimiter">,</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>same_as_ingredient<span class="Delimiter">.</span>str<span class="Delimiter">())));</span> + <span class="Delimiter">}</span> + <span class="Delimiter">}</span> +<span class="Delimiter">}</span> + +<span class="Delimiter">:(scenario explicit_reply_ignores_header)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">2</span>:number/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span> +] +def add2 a:number<span class="Delimiter">,</span> b:number <span class="Delimiter">-></span> y:number<span class="Delimiter">,</span> z:number [ + local-scope + load-ingredients + y<span class="Special"> <- </span>add a<span class="Delimiter">,</span> b + z<span class="Special"> <- </span>subtract a<span class="Delimiter">,</span> b + <span class="Identifier">return</span> a<span class="Delimiter">,</span> z +] +<span class="traceContains">+mem: storing 3 in location 1</span> +<span class="traceContains">+mem: storing -2 in location 2</span> + +<span class="Delimiter">:(scenario reply_on_fallthrough_based_on_header)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span> +] +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> z:number [ + local-scope + load-ingredients + z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y +] +<span class="traceContains">+transform: instruction: reply {z: "number"}</span> +<span class="traceContains">+mem: storing 8 in location 1</span> + +<span class="Delimiter">:(scenario reply_on_fallthrough_already_exists)</span> +def main [ + <span class="Constant">1</span>:number/<span class="Special">raw <- </span>add2 <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span> +] +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> z:number [ + local-scope + load-ingredients + z<span class="Special"> <- </span>add x<span class="Delimiter">,</span> y <span class="Comment"># no type for z</span> + <span class="Identifier">return</span> z +] +<span class="traceContains">+transform: instruction: return {z: ()}</span> +<span class="traceAbsent">-transform: instruction: reply z:number</span> +<span class="traceContains">+mem: storing 8 in location 1</span> + +<span class="Delimiter">:(scenario recipe_headers_perform_same_ingredient_check)</span> +<span class="Special">% Hide_errors = true;</span> +def main [ + <span class="Constant">1</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span> + <span class="Constant">2</span>:number<span class="Special"> <- </span>copy <span class="Constant">34</span> + <span class="Constant">3</span>:number<span class="Special"> <- </span>add2 <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number +] +def add2 x:number<span class="Delimiter">,</span> y:number <span class="Delimiter">-></span> x:number [ + local-scope + load-ingredients +] +<span class="traceContains">+error: main: '3:number <- add2 1:number, 2:number' should write to 1:number rather than 3:number</span> + +<span class="Delimiter">:(before "End Includes")</span> +<span class="Normal">using</span> std::min<span class="Delimiter">;</span> +<span class="Normal">using</span> std::max<span class="Delimiter">;</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : 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