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<ul><li><a href="../index.html">home</a></li>
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<!--Weave of 'Vanilla IF' generated by Inweb-->
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<div class="breadcrumbs">
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../intern.html">Inter Modules</a></li><li><a href="index.html">final</a></li><li><a href="index.html#2">Chapter 2: Mechanism</a></li><li><b>Vanilla IF</b></li></ul></div>
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<p class="purpose">Constructing the dictionary, command verb and action tables when the target language is not Inform 6 (where such things are made automatically).</p>
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<ul class="toc"><li><a href="2-vi.html#SP1">§1. Dictionary words</a></li><li><a href="2-vi.html#SP7">§7. Actions table</a></li><li><a href="2-vi.html#SP8">§8. Command grammar</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Dictionary words. </b>Compiling the table of dictionary words is not completely simple: they must
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be sorted into alphabetical order, but do not present themselves that way.
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</p>
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<p class="commentary">So we provide the following functions, which a generator is not obliged to
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make use of.
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</p>
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<p class="commentary">For each different dictionary word brought to our attention, we create one
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of these:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">identifier</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">meta</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">preplike</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">nounlike</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">verblike</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">verb_number</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">grammar_table_offset</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax">;</span>
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</pre>
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<ul class="endnotetexts"><li>The structure vanilla_dword is accessed in 2/vf, 4/i6c2, 5/clt, 5/cfm and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>The following sorting function places dwords in alphabetical order:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::compare_dwords</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">VanillaIF::compare_dwords</span></span>:<br/><a href="2-vi.html#SP5">§5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">const</span><span class="plain-syntax"> </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ent1</span><span class="plain-syntax">, </span><span class="reserved-syntax">const</span><span class="plain-syntax"> </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ent2</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tx1</span><span class="plain-syntax"> = (*((</span><span class="reserved-syntax">const</span><span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> **) </span><span class="identifier-syntax">ent1</span><span class="plain-syntax">))-></span><span class="element-syntax">text</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">tx2</span><span class="plain-syntax"> = (*((</span><span class="reserved-syntax">const</span><span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> **) </span><span class="identifier-syntax">ent2</span><span class="plain-syntax">))-></span><span class="element-syntax">text</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">Str::cmp_insensitive</span><span class="plain-syntax">(</span><span class="identifier-syntax">tx1</span><span class="plain-syntax">, </span><span class="identifier-syntax">tx2</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>We use a dictionary to ensure that each dword has exactly one such structure
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created:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="function-syntax">VanillaIF::find_dword</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">VanillaIF::find_dword</span></span>:<br/><a href="2-vi.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">Characters::tolower</span><span class="plain-syntax">(</span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">)));</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::get_last_char</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">) == </span><span class="character-syntax">'/'</span><span class="plain-syntax">) </span><span class="identifier-syntax">Str::delete_last_character</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Dictionaries::find</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">dword_dictionary</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dictionaries::read_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">dword_dictionary</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">pluralise</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">text</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">identifier</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::new</span><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">identifier</span><span class="plain-syntax">, </span><span class="string-syntax">"i7_dword_%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">dword_count</span><span class="plain-syntax">++);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">pluralise</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">meta</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">preplike</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">nounlike</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">verblike</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">verb_number</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">grammar_table_offset</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">dw</span><span class="plain-syntax">, </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">words</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Dictionaries::create</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">dword_dictionary</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Dictionaries::write_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">dword_dictionary</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">dw</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>These linguistic categories are very crudely applied. The main thing to note
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is that the same word can be in any combination of the three, except that it
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cannot be in none of them.
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</p>
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<p class="commentary">If a generator wants to register a dword with us, it must call one of these:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="function-syntax">VanillaIF::text_to_noun_dword</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::text_to_noun_dword</span></span>:<br/>C Literals - <a href="5-clt.html#SP10">§10</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP3" class="function-link"><span class="function-syntax">VanillaIF::find_dword</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">nounlike</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="function-syntax">VanillaIF::text_to_prep_dword</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::text_to_prep_dword</span></span>:<br/><a href="2-vi.html#SP8_2_2_3">§8.2.2.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP3" class="function-link"><span class="function-syntax">VanillaIF::find_dword</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">preplike</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="function-syntax">VanillaIF::text_to_verb_dword</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::text_to_verb_dword</span></span>:<br/><a href="2-vi.html#SP8_2_1">§8.2.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">,</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">verbnum</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP3" class="function-link"><span class="function-syntax">VanillaIF::find_dword</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">verblike</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">verb_number</span><span class="plain-syntax"> = </span><span class="identifier-syntax">verbnum</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax">}</span>
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|
</pre>
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|
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. </b>And this function then compiles the <span class="extract"><span class="extract-syntax">#dictionary_table</span></span> array, which is
|
|
really a concatenation of many arrays: a single word holding the length
|
|
and then one mini-array for each dword, presented in alphabetical order.
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|
</p>
|
|
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|
<p class="commentary">For the format of dictionary word arrays, see the Inform 6 Technical Manual.
|
|
(This is the later Glulx format, not the earlier Z-machine format.)
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::compile_dictionary_table</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::compile_dictionary_table</span></span>:<br/>Final C - <a href="5-fnc.html#SP6">§6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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">dictlen</span><span class="plain-syntax"> = </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">dword_count</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Compile the dictionary length</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">dictlen</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> **</span><span class="identifier-syntax">sorted</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> **)</span>
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|
<span class="plain-syntax"> (</span><span class="identifier-syntax">Memory::calloc</span><span class="plain-syntax">(</span><span class="identifier-syntax">dictlen</span><span class="plain-syntax">, </span><span class="reserved-syntax">sizeof</span><span class="plain-syntax">(</span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *), </span><span class="constant-syntax">CODE_GENERATION_MREASON</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax">; </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">dw</span><span class="plain-syntax">, </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">words</span><span class="plain-syntax">) </span><span class="identifier-syntax">sorted</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">++] = </span><span class="identifier-syntax">dw</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">qsort</span><span class="plain-syntax">(</span><span class="identifier-syntax">sorted</span><span class="plain-syntax">, (</span><span class="identifier-syntax">size_t</span><span class="plain-syntax">) </span><span class="identifier-syntax">LinkedLists::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">words</span><span class="plain-syntax">), </span><span class="reserved-syntax">sizeof</span><span class="plain-syntax">(</span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *),</span>
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|
<span class="plain-syntax"> </span><a href="2-vi.html#SP2" class="function-link"><span class="function-syntax">VanillaIF::compare_dwords</span></a><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">dictlen</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP5_2" class="named-paragraph-link"><span class="named-paragraph">Compile an array for this dword</span><span class="named-paragraph-number">5.2</span></a></span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">Memory::I7_free</span><span class="plain-syntax">(</span><span class="identifier-syntax">sorted</span><span class="plain-syntax">, </span><span class="constant-syntax">CODE_GENERATION_MREASON</span><span class="plain-syntax">, </span><span class="identifier-syntax">dictlen</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP5_1" class="paragraph-anchor"></a><b>§5.1. </b>In effect, this is a 1-word word array, but we make it as a 4-byte byte array
|
|
instead so that we are not concatenating arrays with different formats; this is
|
|
just in case some generators are opting to align word arrays in memory.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile the dictionary length</span><span class="named-paragraph-number">5.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::begin_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#dictionary_table"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, ((</span><span class="identifier-syntax">dictlen</span><span class="plain-syntax"> & </span><span class="constant-syntax">0x00FF0000</span><span class="plain-syntax">) >> </span><span class="constant-syntax">16</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, ((</span><span class="identifier-syntax">dictlen</span><span class="plain-syntax"> & </span><span class="constant-syntax">0x0000FF00</span><span class="plain-syntax">) >> </span><span class="constant-syntax">8</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, (</span><span class="identifier-syntax">dictlen</span><span class="plain-syntax"> & </span><span class="constant-syntax">0x000000FF</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::end_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_2" class="paragraph-anchor"></a><b>§5.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compile an array for this dword</span><span class="named-paragraph-number">5.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax"> = </span><span class="identifier-syntax">sorted</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">];</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::begin_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">sorted</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">]-></span><span class="element-syntax">identifier</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0x60</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="function-syntax"><gen-></span><span class="element-syntax">dictionary_resolution</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</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">c</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</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">i</span><span class="plain-syntax"> < </span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">text</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="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, (((</span><span class="reserved-syntax">unsigned</span><span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax">)</span><span class="identifier-syntax">c</span><span class="plain-syntax"> & </span><span class="constant-syntax">0xFF000000</span><span class="plain-syntax">) >> </span><span class="constant-syntax">24</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> & </span><span class="constant-syntax">0x00FF0000</span><span class="plain-syntax">) >> </span><span class="constant-syntax">16</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> & </span><span class="constant-syntax">0x0000FF00</span><span class="plain-syntax">) >> </span><span class="constant-syntax">8</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> & </span><span class="constant-syntax">0x000000FF</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">f</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</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">dw</span><span class="plain-syntax">-></span><span class="element-syntax">verblike</span><span class="plain-syntax">) </span><span class="identifier-syntax">f</span><span class="plain-syntax"> += </span><span class="constant-syntax">1</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">dw</span><span class="plain-syntax">-></span><span class="element-syntax">meta</span><span class="plain-syntax">) </span><span class="identifier-syntax">f</span><span class="plain-syntax"> += </span><span class="constant-syntax">2</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">dw</span><span class="plain-syntax">-></span><span class="element-syntax">pluralise</span><span class="plain-syntax">) </span><span class="identifier-syntax">f</span><span class="plain-syntax"> += </span><span class="constant-syntax">4</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">dw</span><span class="plain-syntax">-></span><span class="element-syntax">preplike</span><span class="plain-syntax">) </span><span class="identifier-syntax">f</span><span class="plain-syntax"> += </span><span class="constant-syntax">8</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">dw</span><span class="plain-syntax">-></span><span class="element-syntax">nounlike</span><span class="plain-syntax">) </span><span class="identifier-syntax">f</span><span class="plain-syntax"> += </span><span class="constant-syntax">128</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">f</span><span class="plain-syntax">/256);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">f</span><span class="plain-syntax">%256);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, (</span><span class="constant-syntax">0xFFFF</span><span class="plain-syntax"> - </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">verb_number</span><span class="plain-syntax">)/256);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, (</span><span class="constant-syntax">0xFFFF</span><span class="plain-syntax"> - </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">verb_number</span><span class="plain-syntax">)%256);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP6" class="function-link"><span class="function-syntax">VanillaIF::byte_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::end_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::byte_entry</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::byte_entry</span></span>:<br/><a href="2-vi.html#SP5_1">§5.1</a>, <a href="2-vi.html#SP5_2">§5.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="string-syntax">"%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. Actions table. </b>We also need to make a metadata table called the <span class="extract"><span class="extract-syntax">#actions_table</span></span> which
|
|
gives, for each (true) action, a function to carry it out. The name of this
|
|
function is always given with a <span class="extract"><span class="extract-syntax">Sub</span></span> suffix: this once stood for subroutine,
|
|
and shows just how far back into the history of Inform 1 this all goes.
|
|
</p>
|
|
|
|
<p class="commentary">(It is the absence of such a function which makes a fake action fake.)
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::compile_actions_table</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::compile_actions_table</span></span>:<br/>Final C - <a href="5-fnc.html#SP6">§6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::begin_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#actions_table"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="constant-syntax">TABLE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</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">an</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">an</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">actions</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">O</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">O</span><span class="plain-syntax">, </span><span class="string-syntax">"%SSub"</span><span class="plain-syntax">, </span><span class="identifier-syntax">an</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">M</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP16" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">M</span><span class="plain-syntax">, </span><span class="identifier-syntax">O</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">M</span><span class="plain-syntax">, </span><span class="constant-syntax">TABLE_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">O</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">M</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::end_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">TABLE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>§8. Command grammar. </b>This is not the place to specify what an Inform 6 grammar table looks like:
|
|
again, see the I6 Technical Manual.
|
|
</p>
|
|
|
|
<p class="commentary">This limit is much, much larger than we need:
|
|
</p>
|
|
|
|
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">MAX_LINES_IN_VANILLA_GRAMMAR</span><span class="plain-syntax"> </span><span class="constant-syntax">256</span>
|
|
</pre>
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::verb_grammar</span><button class="popup" onclick="togglePopup('usagePopup9')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup9">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::verb_grammar</span></span>:<br/>C Memory Model - <a href="5-cmm.html#SP4_1">§4.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generator</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gtr</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">array_s</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_tree_node</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">inter_tree</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax"> = </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">from</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">line_count</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">line_actions</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_LINES_IN_VANILLA_GRAMMAR</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">line_reverse</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_LINES_IN_VANILLA_GRAMMAR</span><span class="plain-syntax">];</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_1" class="named-paragraph-link"><span class="named-paragraph">Find the resulting actions and reversal states for each grammar line</span><span class="named-paragraph-number">8.1</span></a></span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2" class="named-paragraph-link"><span class="named-paragraph">Add a record for this grammar to the table</span><span class="named-paragraph-number">8.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP8_1" class="paragraph-anchor"></a><b>§8.1. </b>So the grammar is currently a list of values at the Inter node <span class="extract"><span class="extract-syntax">P</span></span>. The
|
|
first few terms in the list give the verb command words (TAKE, GET, say);
|
|
then come a series of 1 or more "grammar lines", each of which begins with
|
|
a <span class="extract"><span class="extract-syntax">VERB_DIRECTIVE_DIVIDER</span></span> symbol. A line ends with <span class="extract"><span class="extract-syntax">VERB_DIRECTIVE_RESULT</span></span>
|
|
followed by a token indicating the action resulting from the line; the
|
|
<span class="extract"><span class="extract-syntax">VERB_DIRECTIVE_REVERSE</span></span> token means that the action should be taken with
|
|
its nouns exchanged.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Find the resulting actions and reversal states for each grammar line</span><span class="named-paragraph-number">8.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">lines</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">extent</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ConstantInstruction::list_len</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">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">extent</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP9" class="function-link"><span class="function-syntax">VanillaIF::get_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">ConstantInstruction::list_entry</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</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">S</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::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_DIVIDER"</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">lines</span><span class="plain-syntax"> >= </span><span class="constant-syntax">MAX_LINES_IN_VANILLA_GRAMMAR</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">"too many lines in grammar"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">line_reverse</span><span class="plain-syntax">[</span><span class="identifier-syntax">lines</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">line_actions</span><span class="plain-syntax">[</span><span class="identifier-syntax">lines</span><span class="plain-syntax">] = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lines</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_RESULT"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">line_actions</span><span class="plain-syntax">[</span><span class="identifier-syntax">lines</span><span class="plain-syntax">-1] =</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP9" class="function-link"><span class="function-syntax">VanillaIF::get_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">ConstantInstruction::list_entry</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1));</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::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_REVERSE"</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">line_reverse</span><span class="plain-syntax">[</span><span class="identifier-syntax">lines</span><span class="plain-syntax">-1] = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">line_count</span><span class="plain-syntax"> = </span><span class="identifier-syntax">lines</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8">§8</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2" class="paragraph-anchor"></a><b>§8.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Add a record for this grammar to the table</span><span class="named-paragraph-number">8.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">verbnum</span><span class="plain-syntax"> = </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">verb_count</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">address</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LinkedLists::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">verb_grammar</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">line_count</span><span class="plain-syntax">); </span><span class="comment-syntax"> no grammar lines</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">reading_command_verbs</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">, </span><span class="identifier-syntax">synonyms</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">line_started</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">filter</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NOT_APPLICABLE</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">lines</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">extent</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ConstantInstruction::list_len</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">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">extent</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ConstantInstruction::list_entry</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</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">reading_command_verbs</span><span class="plain-syntax">) </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_1" class="named-paragraph-link"><span class="named-paragraph">Read this as a command verb</span><span class="named-paragraph-number">8.2.1</span></a></span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_2" class="named-paragraph-link"><span class="named-paragraph">Read this as part of a grammar line</span><span class="named-paragraph-number">8.2.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_3" class="named-paragraph-link"><span class="named-paragraph">Close any grammar line record we have already started writing</span><span class="named-paragraph-number">8.2.3</span></a></span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8">§8</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_1" class="paragraph-anchor"></a><b>§8.2.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Read this as a command verb</span><span class="named-paragraph-number">8.2.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">InterValuePairs::is_dword</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</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">glob_text</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterValuePairs::to_dictionary_word</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP4" class="function-link"><span class="function-syntax">VanillaIF::text_to_verb_dword</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">glob_text</span><span class="plain-syntax">, </span><span class="identifier-syntax">verbnum</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-vi.html#SP10" class="function-link"><span class="function-syntax">VanillaIF::is_verb_meta</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">)) </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">meta</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">synonyms</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">synonyms</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">dw</span><span class="plain-syntax">, </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">verbs</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">grammar_table_offset</span><span class="plain-syntax"> = </span><span class="identifier-syntax">address</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">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP9" class="function-link"><span class="function-syntax">VanillaIF::get_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</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">S</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_DIVIDER"</span><span class="plain-syntax">))) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">reading_command_verbs</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">--;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2">§8.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_2" class="paragraph-anchor"></a><b>§8.2.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Read this as part of a grammar line</span><span class="named-paragraph-number">8.2.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_2_1" class="named-paragraph-link"><span class="named-paragraph">Add the slash before and slash after bits to token_metadata</span><span class="named-paragraph-number">8.2.2.1</span></a></span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP9" class="function-link"><span class="function-syntax">VanillaIF::get_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</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">S</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_2_2" class="named-paragraph-link"><span class="named-paragraph">Read this symbol name as part of a grammar line</span><span class="named-paragraph-number">8.2.2.2</span></a></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">InterValuePairs::is_dword</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_2_3" class="named-paragraph-link"><span class="named-paragraph">Read this dictionary word as part of a grammar line</span><span class="named-paragraph-number">8.2.2.3</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2">§8.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_2_1" class="paragraph-anchor"></a><b>§8.2.2.1. </b>Was the previous token a slash? How about the next? (This is for command grammar
|
|
like <span class="extract"><span class="extract-syntax">'fish' / 'fowl' / 'chalk'</span></span>, where <span class="extract"><span class="extract-syntax">'fish'</span></span> has a slash after but not before,
|
|
<span class="extract"><span class="extract-syntax">'fowl'</span></span> has both, and <span class="extract"><span class="extract-syntax">'chalk'</span></span> before but not after.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Add the slash before and slash after bits to token_metadata</span><span class="named-paragraph-number">8.2.2.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S_before</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP9" class="function-link"><span class="function-syntax">VanillaIF::get_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">ConstantInstruction::list_entry</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">-1));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">S_before</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S_before</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_SLASH"</span><span class="plain-syntax">)))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax"> += </span><span class="constant-syntax">0x10</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">i</span><span class="plain-syntax">+1 < </span><span class="identifier-syntax">extent</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S_after</span><span class="plain-syntax"> = </span><a href="2-vi.html#SP9" class="function-link"><span class="function-syntax">VanillaIF::get_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">ConstantInstruction::list_entry</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">S_after</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S_after</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_SLASH"</span><span class="plain-syntax">)))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax"> += </span><span class="constant-syntax">0x20</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2_2">§8.2.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_2_2" class="paragraph-anchor"></a><b>§8.2.2.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Read this symbol name as part of a grammar line</span><span class="named-paragraph-number">8.2.2.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_SLASH"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">continue</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::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_REVERSE"</span><span class="plain-syntax">)) </span><span class="reserved-syntax">continue</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::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_DIVIDER"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_3" class="named-paragraph-link"><span class="named-paragraph">Close any grammar line record we have already started writing</span><span class="named-paragraph-number">8.2.3</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_2_2_1" class="named-paragraph-link"><span class="named-paragraph">Start writing a record for a new grammar line</span><span class="named-paragraph-number">8.2.2.2.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lines</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">line_started</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">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_RESULT"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">++; </span><span class="comment-syntax"> Skip the result action</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_2_2_2" class="named-paragraph-link"><span class="named-paragraph">Handle the 10 built-in tokens</span><span class="named-paragraph-number">8.2.2.2.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-vi.html#SP8_2_2_2_3" class="named-paragraph-link"><span class="named-paragraph">Handle a noun filter, a scope filter or similar</span><span class="named-paragraph-number">8.2.2.2.3</span></a></span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2_2">§8.2.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_2_2_1" class="paragraph-anchor"></a><b>§8.2.2.2.1. </b>This is the header block at the beginning of a new grammar line in the table,
|
|
which occupies 3 bytes: a short word giving the resulting action, and a flag
|
|
for reversal. (Happily, we worked these out in the first pass through earlier.)
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Start writing a record for a new grammar line</span><span class="named-paragraph-number">8.2.2.2.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP16" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">NT</span><span class="plain-syntax">, </span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">line_actions</span><span class="plain-syntax">[</span><span class="identifier-syntax">lines</span><span class="plain-syntax">]));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">A</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">B</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP12" class="function-link"><span class="function-syntax">Generators::word_to_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">A</span><span class="plain-syntax">, </span><span class="identifier-syntax">NT</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP12" class="function-link"><span class="function-syntax">Generators::word_to_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">B</span><span class="plain-syntax">, </span><span class="identifier-syntax">NT</span><span class="plain-syntax">, </span><span class="constant-syntax">3</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">A</span><span class="plain-syntax">); </span><span class="comment-syntax"> action (big end)</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">B</span><span class="plain-syntax">); </span><span class="comment-syntax"> action (lil end)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">A</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">B</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</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">line_reverse</span><span class="plain-syntax">[</span><span class="identifier-syntax">lines</span><span class="plain-syntax">])</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2_2_2">§8.2.2.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_2_2_2" class="paragraph-anchor"></a><b>§8.2.2.2.2. </b>That 3-byte header is then followed by a list of 5-byte token blocks.
|
|
The opening byte gives some metadata bits, and then there's a word.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Handle the 10 built-in tokens</span><span class="named-paragraph-number">8.2.2.2.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_NOUN"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_HELD"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_MULTI"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_MULTIHELD"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">3</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_MULTIEXCEPT"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">4</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_MULTIINSIDE"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">5</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_CREATURE"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">6</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_SPECIAL"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">7</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_NUMBER"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">8</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_TOPIC"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">9</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">continue</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2_2_2">§8.2.2.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_2_2_3" class="paragraph-anchor"></a><b>§8.2.2.2.3. </b>Again, five bytes: one byte metadata, one word value.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Handle a noun filter, a scope filter or similar</span><span class="named-paragraph-number">8.2.2.2.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_NOUN_FILTER"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">filter</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">; </span><span class="reserved-syntax">continue</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">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_SCOPE_FILTER"</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">filter</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">; </span><span class="reserved-syntax">continue</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">bc</span><span class="plain-syntax"> = </span><span class="constant-syntax">0x86</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">filter</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">bc</span><span class="plain-syntax"> = </span><span class="constant-syntax">0x85</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">filter</span><span class="plain-syntax"> == </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">) </span><span class="identifier-syntax">bc</span><span class="plain-syntax"> = </span><span class="constant-syntax">0x83</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">bc</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">MG</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP16" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">MG</span><span class="plain-syntax">, </span><span class="identifier-syntax">InterSymbol::trans</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">MG</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">MG</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">filter</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NOT_APPLICABLE</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2_2_2">§8.2.2.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_2_3" class="paragraph-anchor"></a><b>§8.2.2.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Read this dictionary word as part of a grammar line</span><span class="named-paragraph-number">8.2.2.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">glob_text</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterValuePairs::to_dictionary_word</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax"> =</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP4" class="function-link"><span class="function-syntax">VanillaIF::text_to_prep_dword</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">glob_text</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">InterValuePairs::is_plural_dword</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">))?</span><span class="identifier-syntax">TRUE:FALSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">0x42</span><span class="plain-syntax"> + </span><span class="identifier-syntax">token_metadata</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">MG</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP16" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">MG</span><span class="plain-syntax">, </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">identifier</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">MG</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">MG</span><span class="plain-syntax">)</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2_2">§8.2.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8_2_3" class="paragraph-anchor"></a><b>§8.2.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Close any grammar line record we have already started writing</span><span class="named-paragraph-number">8.2.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">line_started</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP16" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"ENDIT_TOKEN"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">T</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-vi.html#SP8_2">§8.2</a>, <a href="2-vi.html#SP8_2_2_2">§8.2.2.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="function-syntax">VanillaIF::get_symbol</span><button class="popup" onclick="togglePopup('usagePopup10')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup10">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::get_symbol</span></span>:<br/><a href="2-vi.html#SP8_1">§8.1</a>, <a href="2-vi.html#SP8_2_1">§8.2.1</a>, <a href="2-vi.html#SP8_2_2">§8.2.2</a>, <a href="2-vi.html#SP8_2_2_1">§8.2.2.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_tree_node</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">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</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">InterValuePairs::is_symbolic</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterValuePairs::to_symbol_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">S</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">"bad symbol in grammar token data"</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">S</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">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. </b>This looks at the opening of the verb grammar to check for the keyword <span class="extract"><span class="extract-syntax">meta</span></span>:
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|
</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">VanillaIF::is_verb_meta</span><button class="popup" onclick="togglePopup('usagePopup11')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup11">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::is_verb_meta</span></span>:<br/><a href="2-vi.html#SP8_2_1">§8.2.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inter_tree_node</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">inter_pair</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ConstantInstruction::list_entry</span><span class="plain-syntax">(</span><span class="identifier-syntax">P</span><span class="plain-syntax">, </span><span class="constant-syntax">0</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">InterValuePairs::is_symbolic</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">A</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterValuePairs::to_symbol_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</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">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">A</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Str::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">InterSymbol::identifier</span><span class="plain-syntax">(</span><span class="identifier-syntax">A</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="string-syntax">"VERB_DIRECTIVE_META"</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="SP11" class="paragraph-anchor"></a><b>§11. </b>Okay then. So the above functions called the following to insert either
|
|
bytes or words into the growing grammar table. But Vanilla doesn't support
|
|
arrays with a mixture of bytes and words — its entries should all be of
|
|
the same format. So we will break the words down into a sequence of 4 bytes,
|
|
and have only a <span class="extract"><span class="extract-syntax">BYTE_ARRAY_FORMAT</span></span> array in the end.
|
|
</p>
|
|
|
|
<p class="commentary">The above supplied some entries numerically, and others textually, so we
|
|
need four functions in all.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::grammar_byte</span><button class="popup" onclick="togglePopup('usagePopup12')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup12">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::grammar_byte</span></span>:<br/><a href="2-vi.html#SP8_2">§8.2</a>, <a href="2-vi.html#SP8_2_2_2_1">§8.2.2.2.1</a>, <a href="2-vi.html#SP8_2_2_2_2">§8.2.2.2.2</a>, <a href="2-vi.html#SP8_2_2_2_3">§8.2.2.2.3</a>, <a href="2-vi.html#SP8_2_2_3">§8.2.2.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">, </span><span class="string-syntax">"%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">NT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::grammar_word</span><button class="popup" onclick="togglePopup('usagePopup13')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup13">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::grammar_word</span></span>:<br/><a href="2-vi.html#SP8_2_2_2_2">§8.2.2.2.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</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="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">, </span><span class="string-syntax">"%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_word_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">NT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::grammar_word_textual</span><button class="popup" onclick="togglePopup('usagePopup14')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup14">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::grammar_word_textual</span></span>:<br/><a href="2-vi.html#SP8_2_2_2_3">§8.2.2.2.3</a>, <a href="2-vi.html#SP8_2_2_3">§8.2.2.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">NT</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">b</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">b</span><span class="plain-syntax"><4; </span><span class="identifier-syntax">b</span><span class="plain-syntax">++) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">BT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP12" class="function-link"><span class="function-syntax">Generators::word_to_byte</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">BT</span><span class="plain-syntax">, </span><span class="identifier-syntax">NT</span><span class="plain-syntax">, </span><span class="identifier-syntax">b</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-vi.html#SP11" class="function-link"><span class="function-syntax">VanillaIF::grammar_byte_textual</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">BT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">BT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::grammar_byte_textual</span><button class="popup" onclick="togglePopup('usagePopup15')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup15">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::grammar_byte_textual</span></span>:<br/><a href="2-vi.html#SP8_2_2_2_1">§8.2.2.2.1</a>, <a href="2-vi.html#SP8_2_3">§8.2.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">NT</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">NT</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::duplicate</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">NT</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">verb_grammar</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. </b>Finally, then, the following outputs the table itself. In fact there need to
|
|
be two tables: first a table of addresses of each command verb's grammar table,
|
|
called <span class="extract"><span class="extract-syntax">#grammar_table</span></span>, and then each of those grammar tables in turn. I don't
|
|
think there is any reason they necessarily have to be contiguous in the way
|
|
they are here, but that's what Inform 6 always did, and we're imitating Inform 6.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">VanillaIF::compile_verb_table</span><button class="popup" onclick="togglePopup('usagePopup16')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup16">Usage of <span class="code-font"><span class="function-syntax">VanillaIF::compile_verb_table</span></span>:<br/>Final C - <a href="5-fnc.html#SP6">§6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::begin_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#grammar_table"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">TABLE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax"> *</span><span class="identifier-syntax">dw</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">dw</span><span class="plain-syntax">, </span><span class="reserved-syntax">vanilla_dword</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">verbs</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">N</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="string-syntax">"("</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP16" class="function-link"><span class="function-syntax">Generators::mangle</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#grammar_table_cont"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="string-syntax">"+%d)"</span><span class="plain-syntax">, </span><span class="identifier-syntax">dw</span><span class="plain-syntax">-></span><span class="element-syntax">grammar_table_offset</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">, </span><span class="constant-syntax">TABLE_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">N</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::end_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">TABLE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::begin_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#grammar_table_cont"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</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">entry</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax">, </span><span class="identifier-syntax">gen</span><span class="plain-syntax">-></span><span class="element-syntax">verb_grammar</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::array_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-cg2.html#SP10" class="function-link"><span class="function-syntax">Generators::end_array</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">BYTE_ARRAY_FORMAT</span><span class="plain-syntax">, -1, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
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