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Finite-domain units

This commit is contained in:
Graham Nelson 2023-07-16 06:58:49 +01:00
parent b2940e8fbf
commit 12793b65f9
20 changed files with 378 additions and 272 deletions

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@ -1,6 +1,6 @@
# Inform 7
[Version](notes/versioning.md): 10.2.0-beta+6W82 'Krypton' (15 July 2023)
[Version](notes/versioning.md): 10.2.0-beta+6W83 'Krypton' (16 July 2023)
## About Inform

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@ -1,3 +1,3 @@
Prerelease: beta
Build Date: 15 July 2023
Build Number: 6W82
Build Date: 16 July 2023
Build Number: 6W83

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@ -342,15 +342,21 @@ performance.
<span class="plain-syntax"> </span><span class="identifier-syntax">lname</span><span class="plain-syntax">, </span><span class="identifier-syntax">RTKindConstructors::enumeration_size</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">), </span><span class="identifier-syntax">lname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Calculus::Schemas::modify</span><span class="plain-syntax">(</span><span class="identifier-syntax">sch</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="string-syntax">"for (*1=1: *1&lt;=%d: *1++)"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">RTKindConstructors::enumeration_size</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="string-syntax">"for (*1=1: *1&lt;=%d: *1++)"</span><span class="plain-syntax">, </span><span class="identifier-syntax">RTKindConstructors::enumeration_size</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">construct</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">loop_domain_schema</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">p</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Calculus::Schemas::modify</span><span class="plain-syntax">(</span><span class="identifier-syntax">sch</span><span class="plain-syntax">, </span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">p</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Calculus::Schemas::modify</span><span class="plain-syntax">(</span><span class="identifier-syntax">sch</span><span class="plain-syntax">, </span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">N</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LiteralPatterns::finite_extent</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">N</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Calculus::Schemas::modify</span><span class="plain-syntax">(</span><span class="identifier-syntax">sch</span><span class="plain-syntax">, </span><span class="string-syntax">"for (*1=0: *1&lt;%d: *1++)"</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. Loops through list values. </b>This is a quite different kind of loop: for iterating through the members of

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@ -332,6 +332,14 @@ longer possible to know at compile-time.
<span class="plain-syntax"> </span><span class="identifier-syntax">EmitCode::up</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">LiteralPatterns::finite_extent</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">EmitCode::inv</span><span class="plain-syntax">(</span><span class="identifier-syntax">INDIRECT0_BIP</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">EmitCode::down</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">EmitCode::val_iname</span><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">RTKindConstructors::random_value_fn_iname</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">EmitCode::up</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-dtd.html#SP18" class="function-link"><span class="function-syntax">Deferrals::defer_random_match</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">desc</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"no way to compile this without deferral"</span><span class="plain-syntax">);</span>

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@ -667,6 +667,7 @@ a loop traverses.
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">K</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_object</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_an_enumeration</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">LiteralPatterns::finite_extent</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">construct</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">loop_domain_schema</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>

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@ -1308,13 +1308,25 @@ and <span class="extract"><span class="extract-syntax">b</span></span> inclusive
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP14" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">RETURN_BIP</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">N</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LiteralPatterns::finite_extent</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">N</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP14" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">MINUS_BIP</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP14" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">RANDOM_BIP</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_quasinumerical</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">N</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP8" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">((</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_quasinumerical</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP8" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="2-hrr.html#SP11" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="constant-syntax">MAX_POSITIVE_NUMBER_HL</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP8" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">((</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><a href="5-kc.html#SP26" class="function-link"><span class="function-syntax">RTKindConstructors::enumeration_size</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">N</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP8" class="function-link"><span class="function-syntax">EmitCode::val_number</span></a><span class="plain-syntax">(1);</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>

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@ -234,7 +234,7 @@ perhaps 24000, and the following turns that into an rvalue:
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="function-syntax">Rvalues::from_encoded_notation</span><button class="popup" onclick="togglePopup('usagePopup20')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup20">Usage of <span class="code-font"><span class="function-syntax">Rvalues::from_encoded_notation</span></span>:<br/>Literal Patterns - <a href="3-lp.html#SP36">&#167;36</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">encoded_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax">) {</span>
<span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="function-syntax">Rvalues::from_encoded_notation</span><button class="popup" onclick="togglePopup('usagePopup20')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup20">Usage of <span class="code-font"><span class="function-syntax">Rvalues::from_encoded_notation</span></span>:<br/>Literal Patterns - <a href="3-lp.html#SP37">&#167;37</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">encoded_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Node::new_with_words</span><span class="plain-syntax">(</span><span class="identifier-syntax">CONSTANT_NT</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Node::set_kind_of_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Annotations::write_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">explicit_literal_ANNOT</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">);</span>
@ -242,7 +242,7 @@ perhaps 24000, and the following turns that into an rvalue:
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">spec</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">Rvalues::to_encoded_notation</span><button class="popup" onclick="togglePopup('usagePopup21')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup21">Usage of <span class="code-font"><span class="function-syntax">Rvalues::to_encoded_notation</span></span>:<br/><a href="2-rvl.html#SP22">&#167;22</a><br/>Literal Patterns - <a href="3-lp.html#SP26_2">&#167;26.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax">) {</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">Rvalues::to_encoded_notation</span><button class="popup" onclick="togglePopup('usagePopup21')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup21">Usage of <span class="code-font"><span class="function-syntax">Rvalues::to_encoded_notation</span></span>:<br/><a href="2-rvl.html#SP22">&#167;22</a><br/>Literal Patterns - <a href="3-lp.html#SP27_2">&#167;27.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Annotations::read_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">explicit_literal_ANNOT</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Annotations::read_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">constant_number_ANNOT</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
@ -442,7 +442,7 @@ in the proposition.
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">Rvalues::is_CONSTANT_of_kind</span><button class="popup" onclick="togglePopup('usagePopup34')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup34">Usage of <span class="code-font"><span class="function-syntax">Rvalues::is_CONSTANT_of_kind</span></span>:<br/><a href="2-rvl.html#SP3">&#167;3</a>, <a href="2-rvl.html#SP11">&#167;11</a>, <a href="2-rvl.html#SP12">&#167;12</a>, <a href="2-rvl.html#SP13">&#167;13</a>, <a href="2-rvl.html#SP14">&#167;14</a><br/>Literal Patterns - <a href="3-lp.html#SP26_2">&#167;26.2</a><br/>Enter the S-Parser - <a href="4-ets.html#SP11">&#167;11</a><br/>Constants and Descriptions - <a href="4-cad.html#SP3">&#167;3</a>, <a href="4-cad.html#SP5">&#167;5</a><br/>Type Expressions and Values - <a href="4-teav.html#SP11_2">&#167;11.2</a><br/>Conditions and Phrases - <a href="4-cap.html#SP10_1">&#167;10.1</a><br/>Dash - <a href="5-dsh.html#SP16">&#167;16</a>, <a href="5-dsh.html#SP18_5_2">&#167;18.5.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">) {</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">Rvalues::is_CONSTANT_of_kind</span><button class="popup" onclick="togglePopup('usagePopup34')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup34">Usage of <span class="code-font"><span class="function-syntax">Rvalues::is_CONSTANT_of_kind</span></span>:<br/><a href="2-rvl.html#SP3">&#167;3</a>, <a href="2-rvl.html#SP11">&#167;11</a>, <a href="2-rvl.html#SP12">&#167;12</a>, <a href="2-rvl.html#SP13">&#167;13</a>, <a href="2-rvl.html#SP14">&#167;14</a><br/>Literal Patterns - <a href="3-lp.html#SP27_2">&#167;27.2</a><br/>Enter the S-Parser - <a href="4-ets.html#SP11">&#167;11</a><br/>Constants and Descriptions - <a href="4-cad.html#SP3">&#167;3</a>, <a href="4-cad.html#SP5">&#167;5</a><br/>Type Expressions and Values - <a href="4-teav.html#SP11_2">&#167;11.2</a><br/>Conditions and Phrases - <a href="4-cap.html#SP10_1">&#167;10.1</a><br/>Dash - <a href="5-dsh.html#SP16">&#167;16</a>, <a href="5-dsh.html#SP18_5_2">&#167;18.5.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">Node::is</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">CONSTANT_NT</span><span class="plain-syntax">)) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_kind_of_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">), </span><span class="identifier-syntax">K</span><span class="plain-syntax">)))</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
@ -560,7 +560,7 @@ doesn't need to be especially rapid.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="function-syntax">Rvalues::to_kind</span><button class="popup" onclick="togglePopup('usagePopup37')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup37">Usage of <span class="code-font"><span class="function-syntax">Rvalues::to_kind</span></span>:<br/>Specifications - <a href="2-spc.html#SP1">&#167;1</a><br/>Lvalues - <a href="2-lvl.html#SP12">&#167;12</a><br/>Literal Patterns - <a href="3-lp.html#SP26_3">&#167;26.3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax">) {</span>
<span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="function-syntax">Rvalues::to_kind</span><button class="popup" onclick="togglePopup('usagePopup37')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup37">Usage of <span class="code-font"><span class="function-syntax">Rvalues::to_kind</span></span>:<br/>Specifications - <a href="2-spc.html#SP1">&#167;1</a><br/>Lvalues - <a href="2-lvl.html#SP12">&#167;12</a><br/>Literal Patterns - <a href="3-lp.html#SP27_3">&#167;27.3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">spec</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"Rvalues::to_kind on NULL"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Node::get_type</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">CONSTANT_NT:</span>

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@ -194,7 +194,7 @@ misses out.
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">LiteralReals::ismultiplicationsign</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">LiteralReals::ismultiplicationsign</span></span>:<br/><a href="3-lrn.html#SP1_4">&#167;1.4</a><br/>Literal Patterns - <a href="3-lp.html#SP17_1_3_2">&#167;17.1.3.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">LiteralReals::ismultiplicationsign</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">LiteralReals::ismultiplicationsign</span></span>:<br/><a href="3-lrn.html#SP1_4">&#167;1.4</a><br/>Literal Patterns - <a href="3-lp.html#SP18_1_3_2">&#167;18.1.3.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="character-syntax">'x'</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> == </span><span class="character-syntax">'*'</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
@ -211,7 +211,7 @@ a zero value. If any of the inputs are NaN, this returns NaN.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">LiteralReals::construct_float</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">LiteralReals::construct_float</span></span>:<br/><a href="3-lrn.html#SP1">&#167;1</a><br/>Literal Patterns - <a href="3-lp.html#SP17_1_3_2">&#167;17.1.3.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">signbit</span><span class="plain-syntax">, </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">intv</span><span class="plain-syntax">, </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">fracv</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax">) {</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">LiteralReals::construct_float</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">LiteralReals::construct_float</span></span>:<br/><a href="3-lrn.html#SP1">&#167;1</a><br/>Literal Patterns - <a href="3-lp.html#SP18_1_3_2">&#167;18.1.3.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">signbit</span><span class="plain-syntax">, </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">intv</span><span class="plain-syntax">, </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">fracv</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">absval</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">intv</span><span class="plain-syntax"> + </span><span class="identifier-syntax">fracv</span><span class="plain-syntax">) * </span><a href="3-lrn.html#SP4" class="function-link"><span class="function-syntax">LiteralReals::ten_to_the</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">expo</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">sign</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">signbit</span><span class="plain-syntax"> ? ((</span><span class="reserved-syntax">int</span><span class="plain-syntax">) </span><span class="constant-syntax">0x80000000</span><span class="plain-syntax">) : </span><span class="constant-syntax">0x0</span><span class="plain-syntax">);</span>

View file

@ -2,7 +2,7 @@
"is": {
"type": "kit",
"title": "Architecture16Kit",
"version": "10.2.0-beta+6W82"
"version": "10.2.0-beta+6W83"
},
"compatibility": "16-bit",
"kit-details": {

View file

@ -2,7 +2,7 @@
"is": {
"type": "kit",
"title": "Architecture32Kit",
"version": "10.2.0-beta+6W82"
"version": "10.2.0-beta+6W83"
},
"compatibility": "32-bit",
"kit-details": {

View file

@ -2,7 +2,7 @@
"is": {
"type": "kit",
"title": "BasicInformKit",
"version": "10.2.0-beta+6W82"
"version": "10.2.0-beta+6W83"
},
"needs": [ {
"need": {

View file

@ -2,7 +2,7 @@
"is": {
"type": "kit",
"title": "CommandParserKit",
"version": "10.2.0-beta+6W82"
"version": "10.2.0-beta+6W83"
},
"needs": [ {
"need": {

View file

@ -2,7 +2,7 @@
"is": {
"type": "kit",
"title": "EnglishLanguageKit",
"version": "10.2.0-beta+6W82"
"version": "10.2.0-beta+6W83"
},
"needs": [ {
"need": {

View file

@ -2,7 +2,7 @@
"is": {
"type": "kit",
"title": "WorldModelKit",
"version": "10.2.0-beta+6W82"
"version": "10.2.0-beta+6W83"
},
"needs": [ {
"need": {

View file

@ -236,15 +236,21 @@ int CompileLoops::schema(i6_schema *sch, kind *K) {
lname, RTKindConstructors::enumeration_size(K), lname);
} else {
Calculus::Schemas::modify(sch,
"for (*1=1: *1<=%d: *1++)",
RTKindConstructors::enumeration_size(K));
"for (*1=1: *1<=%d: *1++)", RTKindConstructors::enumeration_size(K));
}
return TRUE;
}
text_stream *p = K->construct->loop_domain_schema;
if (p == NULL) return FALSE;
Calculus::Schemas::modify(sch, "%S", p);
return TRUE;
if (p) {
Calculus::Schemas::modify(sch, "%S", p);
return TRUE;
}
int N = LiteralPatterns::finite_extent(K);
if (N > 0) {
Calculus::Schemas::modify(sch, "for (*1=0: *1<%d: *1++)", N);
return TRUE;
}
return FALSE;
}
@h Loops through list values.

View file

@ -247,6 +247,14 @@ void CompilePropositions::to_random_match(parse_node *desc) {
EmitCode::up();
return;
}
if (LiteralPatterns::finite_extent(K) > 0) {
EmitCode::inv(INDIRECT0_BIP);
EmitCode::down();
EmitCode::val_iname(K_value,
RTKindConstructors::random_value_fn_iname(K));
EmitCode::up();
return;
}
}
if (Deferrals::defer_random_match(desc)) return;
internal_error("no way to compile this without deferral");

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@ -546,6 +546,7 @@ int Deferrals::has_finite_domain(kind *K) {
if (K == NULL) return FALSE;
if (Kinds::Behaviour::is_object(K)) return TRUE;
if (Kinds::Behaviour::is_an_enumeration(K)) return TRUE;
if (LiteralPatterns::finite_extent(K) > 0) return TRUE;
if (Str::len(K->construct->loop_domain_schema) > 0) return TRUE;
return FALSE;
}

View file

@ -1107,13 +1107,25 @@ and |b| inclusive.
EmitCode::down();
EmitCode::inv(RETURN_BIP);
EmitCode::down();
int N = LiteralPatterns::finite_extent(K);
if (N > 0) {
EmitCode::inv(MINUS_BIP);
EmitCode::down();
}
EmitCode::inv(RANDOM_BIP);
EmitCode::down();
if (Kinds::Behaviour::is_quasinumerical(K))
if (N > 0) {
EmitCode::val_number((inter_ti) N);
} else if (Kinds::Behaviour::is_quasinumerical(K)) {
EmitCode::val_iname(K_value, Hierarchy::find(MAX_POSITIVE_NUMBER_HL));
else
} else {
EmitCode::val_number((inter_ti) RTKindConstructors::enumeration_size(K));
}
EmitCode::up();
if (N > 0) {
EmitCode::val_number(1);
EmitCode::up();
}
EmitCode::up();
EmitCode::up();
EmitCode::up();

View file

@ -382,6 +382,31 @@ int LiteralPatterns::scale_factor(kind *K) {
return 1;
}
@ Where a kind defined by LPs can have only finitely many values, this returns
the number of those values. (Finite other than in the sense that all memory
is finite, that is.) We return 0 if it has an infinite range.
Where the total domain size is so large that it cannot be held in a signed
integer, we also return 0, because no good can possibly come of looping over
so huge a space.
=
int LiteralPatterns::finite_extent(kind *K) {
literal_pattern *lp;
LITERAL_FORMS_LOOP(lp, K) {
if (lp->no_lp_elements > 0) {
long long int N = 1;
for (int i=0; i<lp->no_lp_elements; i++) {
literal_pattern_element *lpe = &(lp->lp_elements[i]);
if (lpe->element_range <= 0) N = 0;
N = N * ((long long int) lpe->element_range);
}
if ((N > 0) && (N <= 0x7FFFFFFF)) return (int) N;
}
}
return 0;
}
@h Optional break points.
Sometimes the pattern allows later numerical elements to be skipped, in which
case they are understood to be 0.