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<!--Weave of 'Phrases' generated by Inweb-->
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inform7 Modules</a></li><li><a href="index.html">core</a></li><li><a href="index.html#22">Chapter 22: Phrases</a></li><li><b>Phrases</b></li></ul></div>
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<p class="purpose">To create one |phrase| object for each phrase declaration in the source text.</p>
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<ul class="toc"><li><a href="22-ph.html#SP8">§8. Miscellaneous</a></li><li><a href="22-ph.html#SP11">§11. Compilation</a></li><li><a href="22-ph.html#SP12">§12. Basic mode main</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>As noted in the introduction to this chapter, a <span class="extract"><span class="extract-syntax">phrase</span></span> structure is
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created for each "To..." definition and each rule in the source text. It is
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divided internally into five substructures, the PHTD, PHUD, PHRCD, PHSF
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and PHOD.
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</p>
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<p class="commentary">Two more abbreviations appear in this section. The first is the EFF, or
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the "effect" of a phrase, which categorises all phrases into four:
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"To..." phrases, phrases used to define adjective, rules explicitly naming
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a rulebook they belong to, and rules not doing so. (This is called the "effect"
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because it decides under what circumstances the phrase will be executed
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at run-time.)
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">TO_PHRASE_EFF</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span><span class="plain-syntax"> </span><span class="comment-syntax"> "To award (some - number) points: ..."</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">RULE_IN_RULEBOOK_EFF</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax"> </span><span class="comment-syntax"> "Before taking a container, ..."</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">RULE_NOT_IN_RULEBOOK_EFF</span><span class="plain-syntax"> </span><span class="constant-syntax">3</span><span class="plain-syntax"> </span><span class="comment-syntax"> "At 9 PM: ...", "This is the zap rule: ..."</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">DEFINITIONAL_PHRASE_EFF</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span><span class="plain-syntax"> </span><span class="comment-syntax"> "Definition: a container is roomy if: ..."</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>The second new abbreviation is MOR, the "manner of return", which is only
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of interest for "To..." phrases. Some of these decide a value, some decide a
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condition, some decide nothing (but exist in order to do something); the
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exceptional case is the last, <span class="extract"><span class="extract-syntax">DECIDES_NOTHING_AND_RETURNS_MOR</span></span>, which marks
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out a phrase which exits the phrase it is invoked from — like the statement
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<span class="extract"><span class="extract-syntax">return</span></span> in a C function. (There is no way to create such a phrase in source
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text without using an inline definition, and the intention is that only the
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Standard Rules will ever make phrases like it.)
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">DONT_KNOW_MOR</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span><span class="plain-syntax"> </span><span class="comment-syntax"> but ask me later</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">DECIDES_NOTHING_MOR</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax"> </span><span class="comment-syntax"> e.g., "award 4 points"</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">DECIDES_VALUE_MOR</span><span class="plain-syntax"> </span><span class="constant-syntax">3</span><span class="plain-syntax"> </span><span class="comment-syntax"> e.g., "square root of 16"</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">DECIDES_CONDITION_MOR</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span><span class="plain-syntax"> </span><span class="comment-syntax"> e.g., "a random chance of 1 in 3 succeeds"</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">DECIDES_NOTHING_AND_RETURNS_MOR</span><span class="plain-syntax"> </span><span class="constant-syntax">5</span><span class="plain-syntax"> </span><span class="comment-syntax"> e.g., "continue the action"</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>And here is the structure. Note that the MOR and EFF are stored inside
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the sub-structures, and aren't visible here; but they're relevant to the
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code below.
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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">phrase</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">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">declaration_node</span><span class="plain-syntax">; </span><span class="comment-syntax"> </span><span class="extract"><span class="extract-syntax">RULE_NT</span></span><span class="comment-syntax"> node where declared</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">inline_wn</span><span class="plain-syntax">; </span><span class="comment-syntax"> word number of inline I6 definition, or </span><span class="extract"><span class="extract-syntax">-1</span></span><span class="comment-syntax"> if not inline</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">inter_schema</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inter_head_defn</span><span class="plain-syntax">; </span><span class="comment-syntax"> inline definition translated to inter, if possible</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">inter_schema</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inter_tail_defn</span><span class="plain-syntax">; </span><span class="comment-syntax"> inline definition translated to inter, if possible</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">inter_defn_converted</span><span class="plain-syntax">; </span><span class="comment-syntax"> has this been tried yet?</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">inline_mor</span><span class="plain-syntax">; </span><span class="comment-syntax"> manner of return for inline I6 definition, or </span><span class="extract"><span class="extract-syntax">UNKNOWN_NT</span></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">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">ph_documentation_symbol</span><span class="plain-syntax">; </span><span class="comment-syntax"> cross-reference with documentation</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">compilation_unit</span><span class="plain-syntax"> *</span><span class="identifier-syntax">owning_module</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">package_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">requests_package</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">package_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">rule_package</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="reserved-syntax">ph_type_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">type_data</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="reserved-syntax">ph_usage_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">usage_data</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="reserved-syntax">ph_runtime_context_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">runtime_context_data</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="reserved-syntax">ph_stack_frame</span><span class="plain-syntax"> </span><span class="identifier-syntax">stack_frame</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="reserved-syntax">ph_options_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">options_data</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">at_least_one_compiled_form_needed</span><span class="plain-syntax">; </span><span class="comment-syntax"> do we still need to compile this?</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">compile_with_run_time_debugging</span><span class="plain-syntax">; </span><span class="comment-syntax"> in the RULES command</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">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph_iname</span><span class="plain-syntax">; </span><span class="comment-syntax"> or NULL for inline phrases</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">to_begin</span><span class="plain-syntax">; </span><span class="comment-syntax"> for Basic mode only: this is the main routine</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">imported</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="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">next_in_logical_order</span><span class="plain-syntax">; </span><span class="comment-syntax"> for "to..." phrases only</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">sequence_count</span><span class="plain-syntax">; </span><span class="comment-syntax"> within the logical order list, from 0</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">phrase</span><span class="plain-syntax">;</span>
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</pre>
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<ul class="endnotetexts"><li>The structure phrase is accessed in 2/si, 10/cap, 14/rv, 14/ds2, 15/pr, 20/eq, 21/rl, 21/rb, 21/rl2, 21/ac, 22/cs, 22/pu, 22/prcd, 22/ptd, 22/dptd, 22/po, 22/pav, 22/tp, 22/tp2, 22/pi, 25/in, 25/pi, 25/ci, 25/cii, 25/cp and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>"To..." phrases, though no others, are listed in logical precedence 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">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">first_in_logical_order</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><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>The life of a <span class="extract"><span class="extract-syntax">phrase</span></span> structure begins when we look at the parse-tree
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representation of its declaration in the source text.
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</p>
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<p class="commentary">A phrase is inline if and only if its definition consists of a single
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invocation which is given as verbatim I6.
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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">void</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::create_from_preamble</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">Phrases::create_from_preamble</span></span>:<br/>Construction Sequence - <a href="22-cs.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</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">p</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">Node::get_type</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">) != </span><span class="identifier-syntax">RULE_NT</span><span class="plain-syntax">))</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"a phrase preamble should be at a RULE_NT node"</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">inline_wn</span><span class="plain-syntax"> = -1; </span><span class="comment-syntax"> the word number of an inline I6 definition if any</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">mor</span><span class="plain-syntax"> = </span><span class="constant-syntax">DONT_KNOW_MOR</span><span class="plain-syntax">; </span><span class="comment-syntax"> and its manner of return</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">OW</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">; </span><span class="comment-syntax"> the text of the phrase options, if any</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">documentation_W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">; </span><span class="comment-syntax"> the documentation reference, if any</span>
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<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Look for an inline definition</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">ph_options_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">phod</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">ph_type_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">phtd</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">ph_usage_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">phud</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">ph_stack_frame</span><span class="plain-syntax"> </span><span class="identifier-syntax">phsf</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">ph_runtime_context_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">phrcd</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_2" class="named-paragraph-link"><span class="named-paragraph">Parse for the PHUD in fine mode</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="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">effect</span><span class="plain-syntax"> = </span><a href="22-pu.html#SP15" class="function-link"><span class="function-syntax">Phrases::Usage::get_effect</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phud</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">inline_wn</span><span class="plain-syntax"> >= </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">effect</span><span class="plain-syntax"> != </span><span class="constant-syntax">TO_PHRASE_EFF</span><span class="plain-syntax">)) </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_10" class="named-paragraph-link"><span class="named-paragraph">Inline is for To... phrases only</span><span class="named-paragraph-number">5.10</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">effect</span><span class="plain-syntax"> != </span><span class="constant-syntax">DEFINITIONAL_PHRASE_EFF</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_9" class="named-paragraph-link"><span class="named-paragraph">There seems to be no definition</span><span class="named-paragraph-number">5.9</span></a></span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_3" class="named-paragraph-link"><span class="named-paragraph">Construct the PHTD, find the phrase options, find the documentation reference</span><span class="named-paragraph-number">5.3</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_4" class="named-paragraph-link"><span class="named-paragraph">Construct the PHOD</span><span class="named-paragraph-number">5.4</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_5" class="named-paragraph-link"><span class="named-paragraph">Construct the PHSF, using the PHTD and PHOD</span><span class="named-paragraph-number">5.5</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_6" class="named-paragraph-link"><span class="named-paragraph">Construct the PHRCD</span><span class="named-paragraph-number">5.6</span></a></span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_8" class="named-paragraph-link"><span class="named-paragraph">Create the phrase structure</span><span class="named-paragraph-number">5.8</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_7" class="named-paragraph-link"><span class="named-paragraph">Tell other parts of Inform about this new phrase</span><span class="named-paragraph-number">5.7</span></a></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><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Look for an inline definition</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><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">p</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><a href="22-ph.html#SP7" class="function-link"><span class="function-syntax">Phrases::parse_possible_inline_defn</span></a><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax">-></span><span class="element-syntax">down</span><span class="plain-syntax">), &</span><span class="identifier-syntax">inline_wn</span><span class="plain-syntax">, &</span><span class="identifier-syntax">mor</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">inline_wn</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">wchar_t</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inline_defn</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lexer::word_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">inline_wn</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">Wide::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">inline_defn</span><span class="plain-syntax">) >= </span><span class="constant-syntax">MAX_INLINE_DEFN_LENGTH</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_1_1" class="named-paragraph-link"><span class="named-paragraph">Forbid overly long inline definitions</span><span class="named-paragraph-number">5.1.1</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="22-ph.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">Parse for the PHUD in fine mode</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">phud</span><span class="plain-syntax"> = </span><a href="22-pu.html#SP10" class="function-link"><span class="function-syntax">Phrases::Usage::new</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">), </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_3" class="paragraph-anchor"></a><b>§5.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct the PHTD, find the phrase options, find the documentation reference</span><span class="named-paragraph-number">5.3</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">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">XW</span><span class="plain-syntax"> = </span><a href="22-pu.html#SP12" class="function-link"><span class="function-syntax">Phrases::Usage::get_preamble_text</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phud</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">phtd</span><span class="plain-syntax"> = </span><a href="22-ptd.html#SP9" class="function-link"><span class="function-syntax">Phrases::TypeData::new</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">inline_wn</span><span class="plain-syntax"> >= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><a href="22-ptd.html#SP25" class="function-link"><span class="function-syntax">Phrases::TypeData::make_inline</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phtd</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">effect</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">TO_PHRASE_EFF:</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">documentation_W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Index::DocReferences::position_of_symbol</span><span class="plain-syntax">(&</span><span class="identifier-syntax">XW</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="22-dptd.html#SP8" class="function-link"><span class="function-syntax">Phrases::TypeData::Textual::parse</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phtd</span><span class="plain-syntax">, </span><span class="identifier-syntax">XW</span><span class="plain-syntax">, &</span><span class="identifier-syntax">OW</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">DEFINITIONAL_PHRASE_EFF:</span>
|
|
<span class="plain-syntax"> </span><a href="22-ptd.html#SP10" class="function-link"><span class="function-syntax">Phrases::TypeData::set_mor</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phtd</span><span class="plain-syntax">, </span><span class="constant-syntax">DECIDES_CONDITION_MOR</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span>
|
|
<span class="plain-syntax"> </span><a href="22-ptd.html#SP10" class="function-link"><span class="function-syntax">Phrases::TypeData::set_mor</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phtd</span><span class="plain-syntax">, </span><span class="constant-syntax">DECIDES_NOTHING_AND_RETURNS_MOR</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_4" class="paragraph-anchor"></a><b>§5.4. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct the PHOD</span><span class="named-paragraph-number">5.4</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">phod</span><span class="plain-syntax"> = </span><a href="22-po.html#SP6" class="function-link"><span class="function-syntax">Phrases::Options::parse_declared_options</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OW</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_5" class="paragraph-anchor"></a><b>§5.5. </b>The stack frame needs to know the kind of this phrase — something like
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">phrase</span><span class="plain-syntax"> </span><span class="identifier-syntax">number</span><span class="plain-syntax"> -> </span><span class="identifier-syntax">text</span>
|
|
</pre>
|
|
<p class="commentary">— in order to work out what happens when values are decided by it later on.
|
|
We also tell the stack frame if there are phrase options, because then a
|
|
special parameter called <span class="extract"><span class="extract-syntax">{phrase options}</span></span> is available when expanding
|
|
inline definitions.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct the PHSF, using the PHTD and PHOD</span><span class="named-paragraph-number">5.5</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">phsf</span><span class="plain-syntax"> = </span><a href="24-sf.html#SP4" class="function-link"><span class="function-syntax">Frames::new</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><a href="22-ptd.html#SP19" class="function-link"><span class="function-syntax">Phrases::TypeData::into_stack_frame</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phsf</span><span class="plain-syntax">, &</span><span class="identifier-syntax">phtd</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="22-ptd.html#SP12" class="function-link"><span class="function-syntax">Phrases::TypeData::kind</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phtd</span><span class="plain-syntax">), </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="22-po.html#SP3" class="function-link"><span class="function-syntax">Phrases::Options::allows_options</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phod</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><a href="24-lv.html#SP13" class="function-link"><span class="function-syntax">LocalVariables::options_parameter_is_needed</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phsf</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_6" class="paragraph-anchor"></a><b>§5.6. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct the PHRCD</span><span class="named-paragraph-number">5.6</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">phrcd</span><span class="plain-syntax"> = </span><a href="22-prcd.html#SP2" class="function-link"><span class="function-syntax">Phrases::Context::new</span></a><span class="plain-syntax">();</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_7" class="paragraph-anchor"></a><b>§5.7. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Tell other parts of Inform about this new phrase</span><span class="named-paragraph-number">5.7</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">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">effect</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">TO_PHRASE_EFF:</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">phud</span><span class="plain-syntax">.</span><span class="element-syntax">to_begin</span><span class="plain-syntax">) </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">to_begin</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="22-tp.html#SP4" class="function-link"><span class="function-syntax">Routines::ToPhrases::new</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">DEFINITIONAL_PHRASE_EFF:</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP5_7_1" class="named-paragraph-link"><span class="named-paragraph">Give this phrase a local variable for the subject of the definition</span><span class="named-paragraph-number">5.7.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">RULE_IN_RULEBOOK_EFF:</span>
|
|
<span class="plain-syntax"> </span><a href="21-rl.html#SP16" class="function-link"><span class="function-syntax">Rules::request_automatic_placement</span></a><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><a href="22-pu.html#SP5" class="function-link"><span class="function-syntax">Phrases::Usage::to_rule</span></a><span class="plain-syntax">(&(</span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">usage_data</span><span class="plain-syntax">), </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">compile_with_run_time_debugging</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">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">RULE_NOT_IN_RULEBOOK_EFF:</span>
|
|
<span class="plain-syntax"> </span><a href="22-pu.html#SP5" class="function-link"><span class="function-syntax">Phrases::Usage::to_rule</span></a><span class="plain-syntax">(&(</span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">usage_data</span><span class="plain-syntax">), </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">compile_with_run_time_debugging</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">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_7_1" class="paragraph-anchor"></a><b>§5.7.1. </b>If a phrase defines an adjective, like so:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>Definition: A container is capacious if: ...</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">we need to make the pronoun "it" a local variable of kind "container" in the
|
|
stack frame used to compile the "..." part. If it uses a calling, like so:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>Definition: A container (called the sack) is capacious if: ...</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">then we also want the name "sack" to refer to this. Here's where we take care
|
|
of it:
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Give this phrase a local variable for the subject of the definition</span><span class="named-paragraph-number">5.7.1</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">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">CW</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="23-abp.html#SP1" class="function-link"><span class="function-syntax">Phrases::Phrasal::define_adjective_by_phrase</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">, </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">, &</span><span class="identifier-syntax">CW</span><span class="plain-syntax">, &</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="24-lv.html#SP26" class="function-link"><span class="function-syntax">LocalVariables::add_pronoun</span></a><span class="plain-syntax">(&(</span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">stack_frame</span><span class="plain-syntax">), </span><span class="identifier-syntax">CW</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5_7">§5.7</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP5_8" class="paragraph-anchor"></a><b>§5.8. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Create the phrase structure</span><span class="named-paragraph-number">5.8</span></span><span class="comment-syntax"> =</span>
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</p>
|
|
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<pre class="displayed-code all-displayed-code code-font">
|
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<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">XW</span><span class="plain-syntax"> = </span><a href="22-pu.html#SP12" class="function-link"><span class="function-syntax">Phrases::Usage::get_preamble_text</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">phud</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">PHRASE_CREATIONS</span><span class="plain-syntax">, </span><span class="string-syntax">"Creating phrase: <%W>\n$U"</span><span class="plain-syntax">, </span><span class="identifier-syntax">XW</span><span class="plain-syntax">, &</span><span class="identifier-syntax">phud</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">declaration_node</span><span class="plain-syntax"> = </span><span class="identifier-syntax">p</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">options_data</span><span class="plain-syntax"> = </span><span class="identifier-syntax">phod</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">runtime_context_data</span><span class="plain-syntax"> = </span><span class="identifier-syntax">phrcd</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">stack_frame</span><span class="plain-syntax"> = </span><span class="identifier-syntax">phsf</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">type_data</span><span class="plain-syntax"> = </span><span class="identifier-syntax">phtd</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">usage_data</span><span class="plain-syntax"> = </span><span class="identifier-syntax">phud</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">inline_wn</span><span class="plain-syntax"> = </span><span class="identifier-syntax">inline_wn</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_head_defn</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_tail_defn</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_defn_converted</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">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">inline_mor</span><span class="plain-syntax"> = </span><span class="identifier-syntax">mor</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">ph_iname</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">to_begin</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">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">imported</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">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">owning_module</span><span class="plain-syntax"> = </span><a href="27-cm.html#SP5" class="function-link"><span class="function-syntax">CompilationUnits::find</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">requests_package</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</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">inline_wn</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">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">at_least_one_compiled_form_needed</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="reserved-syntax">else</span><span class="plain-syntax"> {</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">at_least_one_compiled_form_needed</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>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">compile_with_run_time_debugging</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">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">next_in_logical_order</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">sequence_count</span><span class="plain-syntax"> = -1;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-></span><span class="element-syntax">ph_documentation_symbol</span><span class="plain-syntax"> = </span><span class="identifier-syntax">documentation_W</span><span class="plain-syntax">;</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
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|
<p class="commentary firstcommentary"><a id="SP5_9" class="paragraph-anchor"></a><b>§5.9. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">There seems to be no definition</span><span class="named-paragraph-number">5.9</span></span><span class="comment-syntax"> =</span>
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|
</p>
|
|
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<pre class="displayed-code all-displayed-code code-font">
|
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<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_Undefined</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"there doesn't seem to be any definition here"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"so I can't see what this rule or phrase would do."</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
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<p class="commentary firstcommentary"><a id="SP5_1_1" class="paragraph-anchor"></a><b>§5.1.1. </b>That just leaves two problem messages about inline definitions:
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|
</p>
|
|
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<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Forbid overly long inline definitions</span><span class="named-paragraph-number">5.1.1</span></span><span class="comment-syntax"> =</span>
|
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</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"Inline definition: <%s>\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">inline_defn</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_InlineTooLong</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"the inline definition of this 'to...' phrase is too long"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"using a quantity of Inform 6 code which exceeds the fairly small limit "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"allowed. You will need either to write the phrase definition in Inform 7, "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"or to call an I6 routine which you define elsewhere with an 'Include ...'."</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">inline_defn</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_INLINE_DEFN_LENGTH</span><span class="plain-syntax">-1] = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5_1">§5.1</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_10" class="paragraph-anchor"></a><b>§5.10. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Inline is for To... phrases only</span><span class="named-paragraph-number">5.10</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">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_InlineRule</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"only 'to...' phrases can be given inline Inform 6 definitions"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"and in particular rules and adjective definitions can't."</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. </b>Inline definitions open with a raw Inform 6 inclusion. The lexer processes
|
|
those as two words: first <span class="extract"><span class="extract-syntax">(-</span></span>, which serves as a marker, and then the raw
|
|
text of the inclusion treated as a single "word".
|
|
</p>
|
|
|
|
<p class="commentary">Some inline definitions also mark themselves to be included only in To phrases
|
|
of the right sort: it makes no sense to respond "yes" to a phrase "To decide
|
|
what number is...", for instance.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><inline-phrase-definition></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">(-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">###</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">only</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { DECIDES_NOTHING_MOR, -, <<inlinecode>> = Wordings::first_wn(WR[1]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">(-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">###</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">decide</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">if</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">only</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { DECIDES_CONDITION_MOR, -, <<inlinecode>> = Wordings::first_wn(WR[1]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">(-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">###</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">decide</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">only</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { DECIDES_VALUE_MOR, -, <<inlinecode>> = Wordings::first_wn(WR[1]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">(-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">###</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { DONT_KNOW_MOR, -, <<inlinecode>> = Wordings::first_wn(WR[1]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">(-</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">###</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { DONT_KNOW_MOR, -, <<inlinecode>> = Wordings::first_wn(WR[1]) }; </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP6_1" class="named-paragraph-link"><span class="named-paragraph">Issue PM_TailAfterInline problem</span><span class="named-paragraph-number">6.1</span></a></span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6_1" class="paragraph-anchor"></a><b>§6.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Issue PM_TailAfterInline problem</span><span class="named-paragraph-number">6.1</span></span><span class="Preform-comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_TailAfterInline</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"some unexpected text appears after the tail of an inline definition"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"placed within '(-' and '-)' markers to indicate that it is written in "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"Inform 6. Here, there seems to be something extra after the '-)'."</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="constant-syntax">DONT_KNOW_MOR</span><span class="plain-syntax">, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP6">§6</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. </b>And this is used when the preamble is first looked at:
|
|
</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">Phrases::parse_possible_inline_defn</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">Phrases::parse_possible_inline_defn</span></span>:<br/><a href="22-ph.html#SP5_1">§5.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> *</span><span class="identifier-syntax">wn</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> *</span><span class="identifier-syntax">mor</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">MATCHING</span><span class="plain-syntax">, </span><span class="string-syntax">"form of inline: %W\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> *</span><span class="identifier-syntax">wn</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="function-syntax"><inline-phrase-definition></span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) { *</span><span class="identifier-syntax">wn</span><span class="plain-syntax"> = </span><span class="function-syntax"><<inlinecode>></span><span class="plain-syntax">; *</span><span class="identifier-syntax">mor</span><span class="plain-syntax"> = </span><span class="function-syntax"><<r>></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. Miscellaneous. </b>That completes the process of creation. Here's how we log them:
|
|
</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">Phrases::log</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">Phrases::log</span></span>:<br/>Core Module - <a href="1-cm.html#SP5">§5</a>, <a href="1-cm.html#SP6_6">§6.6</a><br/>To Phrases - <a href="22-tp.html#SP5">§5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">ph</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"RULE:NULL"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%n"</span><span class="plain-syntax">, </span><a href="22-ph.html#SP10" class="function-link"><span class="function-syntax">Phrases::iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><a href="22-pu.html#SP16" class="function-link"><span class="function-syntax">Phrases::Usage::log_rule_name</span></a><span class="plain-syntax">(&(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">usage_data</span><span class="plain-syntax">));</span>
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|
<span class="plain-syntax">}</span>
|
|
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::log_briefly</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">Phrases::log_briefly</span></span>:<br/>Invocations - <a href="25-in.html#SP9">§9</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><a href="22-dptd.html#SP2" class="function-link"><span class="function-syntax">Phrases::TypeData::Textual::log_briefly</span></a><span class="plain-syntax">(&(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">type_data</span><span class="plain-syntax">));</span>
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|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b>Relatedly, for indexing purposes:
|
|
</p>
|
|
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|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::write_HTML_representation</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">Phrases::write_HTML_representation</span></span>:<br/>Supplementary Quotes - <a href="2-sq.html#SP1">§1</a><br/>Describing Phrase Type Data - <a href="22-dptd.html#SP5">§5</a>, <a href="22-dptd.html#SP6_1">§6.1</a><br/>To Phrases - <a href="22-tp.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">format</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="22-dptd.html#SP3" class="function-link"><span class="function-syntax">Phrases::TypeData::Textual::write_HTML_representation</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, &(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">type_data</span><span class="plain-syntax">), </span><span class="identifier-syntax">format</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. </b>Some access functions:
|
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</p>
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|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::compiled_inline</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">Phrases::compiled_inline</span></span>:<br/><a href="22-ph.html#SP12">§12</a><br/>Phrases as Values - <a href="22-pav.html#SP6">§6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inline_wn</span><span class="plain-syntax"> < </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</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">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
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|
<span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> *</span><span class="function-syntax">Phrases::get_inline_definition</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">Phrases::get_inline_definition</span></span>:<br/>To Phrases - <a href="22-tp.html#SP7">§7</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inline_wn</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">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"tried to access inline definition of non-inline phrase"</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">Lexer::word_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inline_wn</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
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|
<span class="identifier-syntax">inter_schema</span><span class="plain-syntax"> *</span><span class="function-syntax">Phrases::get_inter_head</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">Phrases::get_inter_head</span></span>:<br/>Compile Invocations Inline - <a href="25-cii.html#SP1_3">§1.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_defn_converted</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inline_wn</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">InterSchemas::from_inline_phrase_definition</span><span class="plain-syntax">(</span><a href="22-ph.html#SP10" class="function-link"><span class="function-syntax">Phrases::get_inline_definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">), &(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_head_defn</span><span class="plain-syntax">), &(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_tail_defn</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_defn_converted</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_head_defn</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">inter_schema</span><span class="plain-syntax"> *</span><span class="function-syntax">Phrases::get_inter_tail</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">Phrases::get_inter_tail</span></span>:<br/>Compile Invocations Inline - <a href="25-cii.html#SP1_3">§1.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_defn_converted</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inline_wn</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">InterSchemas::from_inline_phrase_definition</span><span class="plain-syntax">(</span><a href="22-ph.html#SP10" class="function-link"><span class="function-syntax">Phrases::get_inline_definition</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">), &(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_head_defn</span><span class="plain-syntax">), &(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_tail_defn</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_defn_converted</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">inter_tail_defn</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">Phrases::iname</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">Phrases::iname</span></span>:<br/><a href="22-ph.html#SP8">§8</a><br/>Rules - <a href="21-rl.html#SP18">§18</a><br/>Phrase Runtime Context Data - <a href="22-prcd.html#SP9">§9</a>, <a href="22-prcd.html#SP9_1">§9.1</a><br/>Timed Phrases - <a href="22-tp2.html#SP3">§3</a><br/>Adjectives by Phrase - <a href="23-abp.html#SP1">§1</a><br/>Compile Phrases - <a href="25-cp.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">ph_iname</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">package_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">PR</span><span class="plain-syntax"> = </span><a href="27-hr.html#SP4" class="function-link"><span class="function-syntax">Hierarchy::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">owning_module</span><span class="plain-syntax">, </span><span class="constant-syntax">ADJECTIVE_PHRASES_HAP</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">ph_iname</span><span class="plain-syntax"> = </span><a href="27-hr.html#SP4" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">DEFINITION_FN_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">PR</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">ph_iname</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="function-syntax">Phrases::declaration_node</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">Phrases::declaration_node</span></span>:<br/>Construction Sequence - <a href="22-cs.html#SP11_6">§11.6</a>, <a href="22-cs.html#SP11_7">§11.7</a><br/>Phrase Usage - <a href="22-pu.html#SP10_2_1">§10.2.1</a><br/>To Phrases - <a href="22-tp.html#SP3">§3</a>, <a href="22-tp.html#SP6_1">§6.1</a>, <a href="22-tp.html#SP7">§7</a><br/>Phrasebook Index - <a href="22-pi.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">declaration_node</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. Compilation. </b>The following is called to give us an opportunity to compile a routine defining
|
|
a phrase. As was mentioned in the introduction, "To..." phrases are sometimes
|
|
compiled multiple times, for different kinds of tokens, and are compiled in
|
|
response to "requests". All other phrases are compiled just once.
|
|
</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">Phrases::import</span><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">imported</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">void</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::compile</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">Phrases::compile</span></span>:<br/>Rules - <a href="21-rl.html#SP21">§21</a><br/>Construction Sequence - <a href="22-cs.html#SP11_4">§11.4</a><br/>To Phrases - <a href="22-tp.html#SP8">§8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</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">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">max_i</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">stacked_variable_owner_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">legible</span><span class="plain-syntax">, </span><span class="reserved-syntax">to_phrase_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">req</span><span class="plain-syntax">, </span><span class="reserved-syntax">applicability_condition</span><span class="plain-syntax"> *</span><span class="identifier-syntax">acl</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">imported</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">effect</span><span class="plain-syntax"> = </span><a href="22-pu.html#SP15" class="function-link"><span class="function-syntax">Phrases::Usage::get_effect</span></a><span class="plain-syntax">(&(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">usage_data</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">effect</span><span class="plain-syntax"> == </span><span class="constant-syntax">RULE_NOT_IN_RULEBOOK_EFF</span><span class="plain-syntax">) </span><span class="identifier-syntax">effect</span><span class="plain-syntax"> = </span><span class="constant-syntax">RULE_IN_RULEBOOK_EFF</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">effect</span><span class="plain-syntax"> == </span><span class="constant-syntax">TO_PHRASE_EFF</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="25-cp.html#SP2" class="function-link"><span class="function-syntax">Routines::Compile::routine</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">, </span><span class="identifier-syntax">legible</span><span class="plain-syntax">, </span><span class="identifier-syntax">req</span><span class="plain-syntax">, </span><span class="identifier-syntax">acl</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP11_1" class="named-paragraph-link"><span class="named-paragraph">Move along the progress bar if it's this phrase's first compilation</span><span class="named-paragraph-number">11.1</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">at_least_one_compiled_form_needed</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="25-cp.html#SP2" class="function-link"><span class="function-syntax">Routines::Compile::routine</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">, </span><span class="identifier-syntax">legible</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">acl</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="22-ph.html#SP11_1" class="named-paragraph-link"><span class="named-paragraph">Move along the progress bar if it's this phrase's first compilation</span><span class="named-paragraph-number">11.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP11_1" class="paragraph-anchor"></a><b>§11.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Move along the progress bar if it's this phrase's first compilation</span><span class="named-paragraph-number">11.1</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">at_least_one_compiled_form_needed</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ph</span><span class="plain-syntax">-></span><span class="element-syntax">at_least_one_compiled_form_needed</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">i</span><span class="plain-syntax">)++;</span>
|
|
<span class="plain-syntax"> </span><a href="1-pp.html#SP1" class="function-link"><span class="function-syntax">ProgressBar::update</span></a><span class="plain-syntax">(4, ((</span><span class="reserved-syntax">float</span><span class="plain-syntax">) (*</span><span class="identifier-syntax">i</span><span class="plain-syntax">))/((</span><span class="reserved-syntax">float</span><span class="plain-syntax">) </span><span class="identifier-syntax">max_i</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="22-ph.html#SP11">§11</a> (twice).</li></ul>
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<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. Basic mode main. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::invoke_to_begin</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">Phrases::invoke_to_begin</span></span>:<br/>How To Compile - <a href="1-htc.html#SP2_8">§2.8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</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><a href="1-wtc.html#SP9" class="function-link"><span class="function-syntax">Task::begin_execution_at_to_begin</span></a><span class="plain-syntax">()) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">iname</span><span class="plain-syntax"> = </span><a href="27-hr.html#SP4" class="function-link"><span class="function-syntax">Hierarchy::find</span></a><span class="plain-syntax">(</span><span class="constant-syntax">SUBMAIN_HL</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">packaging_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">save</span><span class="plain-syntax"> = </span><a href="26-rt.html#SP1" class="function-link"><span class="function-syntax">Routines::begin</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">iname</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">n</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">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ph</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">, </span><span class="reserved-syntax">phrase</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">ph</span><span class="plain-syntax">-></span><span class="element-syntax">to_begin</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">n</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">n</span><span class="plain-syntax"> > </span><span class="constant-syntax">1</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...),</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"there seem to be multiple 'to begin' phrases"</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"and in Basic mode, Inform expects to see exactly one of "</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"these, specifying where execution should begin."</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="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="22-ph.html#SP10" class="function-link"><span class="function-syntax">Phrases::compiled_inline</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...),</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"the 'to begin' phrase seems to be defined inline"</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"which in Basic mode is not allowed."</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">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">void_kind</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Kinds::function_kind</span><span class="plain-syntax">(0, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IS</span><span class="plain-syntax"> = </span><a href="25-cp.html#SP3" class="function-link"><span class="function-syntax">Routines::Compile::iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><a href="22-tp.html#SP6" class="function-link"><span class="function-syntax">Routines::ToPhrases::make_request</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ph</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">void_kind</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::inv_call_iname</span><span class="plain-syntax">(</span><a href="27-em.html#SP2" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">IS</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">n</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">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><a href="1-wtc.html#SP6" class="function-link"><span class="function-syntax">Task::syntax_tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...),</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"there seems not to be a 'to begin' phrase"</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"and in Basic mode, Inform expects to see exactly one of "</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"these, specifying where execution should begin."</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><a href="26-rt.html#SP4" class="function-link"><span class="function-syntax">Routines::end</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="27-hr.html#SP4" class="function-link"><span class="function-syntax">Hierarchy::make_available</span></a><span class="plain-syntax">(</span><a href="27-em.html#SP2" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">}</span>
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</pre>
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