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<span class="Comment">//: Some simple sanity checks for types, and also attempts to guess them where</span>
<span class="Comment">//: they aren't provided.</span>
<span class="Comment">//:</span>
<span class="Comment">//: You still have to provide the full type the first time you mention a</span>
<span class="Comment">//: variable in a recipe. You have to explicitly name :offset and :variant</span>
<span class="Comment">//: every single time. You can't use the same name with multiple types in a</span>
<span class="Comment">//: single recipe.</span>
<span class="Delimiter">:(scenario transform_fails_on_reusing_name_with_different_type)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
x:number<span class="Special"> <- </span>copy <span class="Constant">1</span>
x:boolean<span class="Special"> <- </span>copy <span class="Constant">1</span>
]
<span class="traceContains">+error: main: x used with multiple types</span>
<span class="Delimiter">:(after "Begin Instruction Modifying Transforms")</span>
Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>check_or_set_types_by_name<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span class="Delimiter">:(code)</span>
void check_or_set_types_by_name<span class="Delimiter">(</span>const 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">"--- deduce types for 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="CommentedCode">//? cerr << "--- deduce types for recipe " << get(Recipe, r).name << '\n';</span>
map<string<span class="Delimiter">,</span> type_tree*> type<span class="Delimiter">;</span>
map<string<span class="Delimiter">,</span> string_tree*> type_name<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>
for <span class="Delimiter">(</span>long long int in = <span class="Constant">0</span><span class="Delimiter">;</span> in < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span> ++in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
deduce_missing_type<span class="Delimiter">(</span>type<span class="Delimiter">,</span> type_name<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">));</span>
check_type<span class="Delimiter">(</span>type<span class="Delimiter">,</span> type_name<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> r<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
for <span class="Delimiter">(</span>long long int out = <span class="Constant">0</span><span class="Delimiter">;</span> out < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span> ++out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
deduce_missing_type<span class="Delimiter">(</span>type<span class="Delimiter">,</span> type_name<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">));</span>
check_type<span class="Delimiter">(</span>type<span class="Delimiter">,</span> type_name<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> r<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
void deduce_missing_type<span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> type_tree*>& type<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> string_tree*>& type_name<span class="Delimiter">,</span> reagent& x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
x<span class="Delimiter">.</span>type = new type_tree<span class="Delimiter">(</span>*type[x<span class="Delimiter">.</span>name]<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> << x<span class="Delimiter">.</span>name << <span class="Constant">" <= "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
assert<span class="Delimiter">(</span>!x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second = new string_tree<span class="Delimiter">(</span>*type_name[x<span class="Delimiter">.</span>name]<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
void check_type<span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> type_tree*>& type<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> string_tree*>& type_name<span class="Delimiter">,</span> const reagent& x<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="Identifier">return</span><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">// if you use raw locations you're probably doing something unsafe</span>
if <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// might get filled in by other logic later</span>
if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <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> << x<span class="Delimiter">.</span>name << <span class="Constant">" => "</span> << debug_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> << end<span class="Delimiter">();</span>
put<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span class="Delimiter">}</span>
if <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span>
put<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span>
if <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>type[x<span class="Delimiter">.</span>name]<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<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> << x<span class="Delimiter">.</span>name << <span class="Constant">" used with multiple types</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenario transform_fills_in_missing_types)</span>
recipe main [
x:number<span class="Special"> <- </span>copy <span class="Constant">1</span>
y:number<span class="Special"> <- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
]
<span class="Delimiter">:(scenario transform_fills_in_missing_types_in_product)</span>
recipe main [
x:number<span class="Special"> <- </span>copy <span class="Constant">1</span>
x<span class="Special"> <- </span>copy <span class="Constant">2</span>
]
<span class="Delimiter">:(scenario transform_fills_in_missing_types_in_product_and_ingredient)</span>
recipe main [
x:number<span class="Special"> <- </span>copy <span class="Constant">1</span>
x<span class="Special"> <- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
]
<span class="traceContains">+mem: storing 2 in location 1</span>
<span class="Delimiter">:(scenario transform_fails_on_missing_types_in_first_mention)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
x<span class="Special"> <- </span>copy <span class="Constant">1</span>
x:number<span class="Special"> <- </span>copy <span class="Constant">2</span>
]
<span class="traceContains">+error: main: missing type for x in 'x <- copy 1'</span>
<span class="Delimiter">:(scenario typo_in_address_type_fails)</span>
<span class="Special">% Hide_errors = true;</span>
recipe main [
y:address:shared:charcter<span class="Special"> <- </span>new character:type
*y<span class="Special"> <- </span>copy <span class="Constant">67</span>
]
<span class="traceContains">+error: main: unknown type charcter in 'y:address:shared:charcter <- new character:type'</span>
</pre>
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