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<!--Weave of '24/ch' generated by 7-->
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<ul class="crumbs"><li><a href="../webs.html">★</a></li><li><a href="index.html">core</a></li><li><a href="index.html#24">Chapter 24: Compilation Context</a></li><li><b>Chronology</b></li></ul><p class="purpose">To keep track of the state of things so that it will be possible in future to ask questions concerning the past.</p>
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<ul class="toc"><li><a href="#SP1">§1. Definitions</a></li><li><a href="#SP3">§3. Compiling chronology</a></li><li><a href="#SP5">§5. The periodic monitoring</a></li></ul><hr class="tocbar">
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<p class="inwebparagraph"><a id="SP1"></a><b>§1. Definitions. </b></p>
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<p class="inwebparagraph"><a id="SP2"></a><b>§2. </b>Some conditions stored in SPs, and also some actions stored in APs, are
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evaluated in the past tense, and to do this we need to lodge them into
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storage: the following simple structures are used for this.
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</p>
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<pre class="display">
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<span class="reserved">typedef</span><span class="plain"> </span><span class="reserved">struct</span><span class="plain"> </span><span class="reserved">past_tense_condition_record</span><span class="plain"> {</span>
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<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">parse_node</span><span class="plain"> *</span><span class="identifier">condition</span><span class="plain">; </span> <span class="comment">condition to be evaluated</span>
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<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
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<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">action_pattern</span><span class="plain"> *</span><span class="identifier">ap_to_test</span><span class="plain">; </span> <span class="comment">condition to be evaluated</span>
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<span class="plain">#</span><span class="identifier">endif</span>
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<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">parse_node</span><span class="plain"> *</span><span class="identifier">where_ptc_tested</span><span class="plain">; </span> <span class="comment">sentence in which condition is found</span>
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<span class="identifier">MEMORY_MANAGEMENT</span>
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<span class="plain">} </span><span class="reserved">past_tense_condition_record</span><span class="plain">;</span>
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<span class="reserved">typedef</span><span class="plain"> </span><span class="reserved">struct</span><span class="plain"> </span><span class="reserved">past_tense_action_record</span><span class="plain"> {</span>
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<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
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<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">action_pattern</span><span class="plain"> </span><span class="identifier">historic_action</span><span class="plain">; </span> <span class="comment">action pattern to be matched</span>
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<span class="plain">#</span><span class="identifier">endif</span>
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<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">parse_node</span><span class="plain"> *</span><span class="identifier">where_pta_tested</span><span class="plain">; </span> <span class="comment">sentence in which AP is found</span>
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<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">inter_name</span><span class="plain"> *</span><span class="identifier">pta_iname</span><span class="plain">;</span>
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<span class="identifier">MEMORY_MANAGEMENT</span>
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<span class="plain">} </span><span class="reserved">past_tense_action_record</span><span class="plain">;</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The structure past_tense_condition_record is private to this section.</p>
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<p class="endnote">The structure past_tense_action_record is private to this section.</p>
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<p class="inwebparagraph"><a id="SP3"></a><b>§3. Compiling chronology. </b>First, the here and now.
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</p>
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<pre class="display">
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">no_past_tenses</span><span class="plain"> = 0, </span><span class="identifier">no_past_actions</span><span class="plain"> = 0;</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">too_late_for_past_tenses</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
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<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Chronology::ap_compile_forced_to_present</span><span class="plain">(</span><span class="identifier">action_pattern</span><span class="plain"> </span><span class="identifier">ap</span><span class="plain">) {</span>
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<span class="identifier">PL::Actions::Patterns::convert_to_present_tense</span><span class="plain">(&</span><span class="identifier">ap</span><span class="plain">); </span> <span class="comment">prevent recursion</span>
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<span class="identifier">PL::Actions::Patterns::emit_pattern_match</span><span class="plain">(</span><span class="identifier">ap</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="plain">#</span><span class="identifier">endif</span>
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<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Chronology::compile_past_action_pattern</span><span class="plain">(</span><span class="identifier">value_holster</span><span class="plain"> *</span><span class="identifier">VH</span><span class="plain">, </span><span class="identifier">time_period</span><span class="plain"> </span><span class="identifier">duration</span><span class="plain">, </span><span class="identifier">action_pattern</span><span class="plain"> </span><span class="identifier">ap</span><span class="plain">) {</span>
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<span class="reserved">char</span><span class="plain"> *</span><span class="identifier">op</span><span class="plain"> = </span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">inform6_operator</span><span class="plain">;</span>
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<span class="identifier">package_request</span><span class="plain"> *</span><span class="identifier">PR</span><span class="plain"> = </span><span class="functiontext">Hierarchy::local_package</span><span class="plain">(</span><span class="constant">PAST_ACTION_PATTERNS_HAP</span><span class="plain">);</span>
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<span class="identifier">inter_name</span><span class="plain"> *</span><span class="identifier">pta_routine</span><span class="plain"> = </span><span class="functiontext">Hierarchy::make_iname_in</span><span class="plain">(</span><span class="constant">PAP_FN_HL</span><span class="plain">, </span><span class="identifier">PR</span><span class="plain">);</span>
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<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">TIME_PERIODS</span><span class="plain">,</span>
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<span class="string">"Chronology::compile_past_action_pattern on: $A\</span><span class="plain">n</span><span class="string">at: $t\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, &</span><span class="identifier">ap</span><span class="plain">, &</span><span class="identifier">duration</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">PL::Actions::Patterns::makes_callings</span><span class="plain">(&</span><span class="identifier">ap</span><span class="plain">)) {</span>
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<span class="identifier">Problems::Issue::sentence_problem</span><span class="plain">(</span><span class="identifier">_p_</span><span class="plain">(</span><span class="identifier">PM_PTAPMakesCallings</span><span class="plain">),</span>
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<span class="string">"a description of an action cannot both refer to past history "</span>
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<span class="string">"and also use '(called ...)'"</span><span class="plain">,</span>
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<span class="string">"because that would require Inform in general to remember "</span>
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<span class="string">"too much information about past events."</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">too_late_for_past_tenses</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"too late for a PAP"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">op</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">op</span><span class="plain"> = </span><span class="string">"=="</span><span class="plain">;</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">AND_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">INDIRECT0_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pta_routine</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">L</span><span class="plain"> = </span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">length</span><span class="plain">; </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">L</span><span class="plain"> < 0) </span><span class="identifier">L</span><span class="plain"> = 0;</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">until</span><span class="plain"> >= 0) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">units</span><span class="plain"> == </span><span class="identifier">TIMES_UNIT</span><span class="plain">) {</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">AND_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">L</span><span class="plain">);</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TIMESACTIONHASHAPPENED_HL</span><span class="plain">));</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">AND_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">GE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">until</span><span class="plain">);</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TIMESACTIONHASHAPPENED_HL</span><span class="plain">));</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUPBYTE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">ACTIONCURRENTLYHAPPENINGFLAG_HL</span><span class="plain">));</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">AND_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">L</span><span class="plain">);</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TURNSACTIONHASBEENHAPPENING_HL</span><span class="plain">));</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">GE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">until</span><span class="plain">);</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TURNSACTIONHASBEENHAPPENING_HL</span><span class="plain">));</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="plain">}</span>
|
|
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">units</span><span class="plain"> == </span><span class="identifier">TIMES_UNIT</span><span class="plain">) {</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">AND_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<<span class="cwebmacro">Emit the op</span> <span class="cwebmacronumber">3.1</span>><span class="plain">;</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TIMESACTIONHASHAPPENED_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">L</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUPBYTE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">ACTIONCURRENTLYHAPPENINGFLAG_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
|
|
<<span class="cwebmacro">Emit the op</span> <span class="cwebmacronumber">3.1</span>><span class="plain">;</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TURNSACTIONHASBEENHAPPENING_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">L</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="plain">}</span>
|
|
<span class="plain">}</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
|
|
<span class="reserved">past_tense_action_record</span><span class="plain"> *</span><span class="identifier">pta</span><span class="plain"> = </span><span class="identifier">CREATE</span><span class="plain">(</span><span class="reserved">past_tense_action_record</span><span class="plain">);</span>
|
|
<span class="identifier">pta</span><span class="plain">-</span><span class="element">>where_pta_tested</span><span class="plain"> = </span><span class="identifier">current_sentence</span><span class="plain">;</span>
|
|
<span class="identifier">pta</span><span class="plain">-</span><span class="element">>historic_action</span><span class="plain"> = </span><span class="identifier">ap</span><span class="plain">;</span>
|
|
<span class="identifier">pta</span><span class="plain">-</span><span class="element">>pta_iname</span><span class="plain"> = </span><span class="identifier">pta_routine</span><span class="plain">;</span>
|
|
<span class="identifier">no_past_actions</span><span class="plain">++;</span>
|
|
<span class="plain">}</span>
|
|
<span class="plain">#</span><span class="identifier">endif</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Chronology::ap_compile_forced_to_present is used in <a href="#SP6">§6</a>.</p>
|
|
|
|
<p class="endnote">The function Chronology::compile_past_action_pattern appears nowhere else.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP3_1"></a><b>§3.1. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Emit the op</span> <span class="cwebmacronumber">3.1</span>> =
|
|
</code></p>
|
|
|
|
|
|
<pre class="displaydefn">
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">strcmp</span><span class="plain">(</span><span class="identifier">op</span><span class="plain">, </span><span class="string">"=="</span><span class="plain">) == 0) </span><span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">EQ_BIP</span><span class="plain">);</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">strcmp</span><span class="plain">(</span><span class="identifier">op</span><span class="plain">, </span><span class="string">"~="</span><span class="plain">) == 0) </span><span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">NE_BIP</span><span class="plain">);</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">strcmp</span><span class="plain">(</span><span class="identifier">op</span><span class="plain">, </span><span class="string">">"</span><span class="plain">) == 0) </span><span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">GT_BIP</span><span class="plain">);</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">strcmp</span><span class="plain">(</span><span class="identifier">op</span><span class="plain">, </span><span class="string">">="</span><span class="plain">) == 0) </span><span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">GE_BIP</span><span class="plain">);</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">strcmp</span><span class="plain">(</span><span class="identifier">op</span><span class="plain">, </span><span class="string">"<"</span><span class="plain">) == 0) </span><span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LT_BIP</span><span class="plain">);</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">strcmp</span><span class="plain">(</span><span class="identifier">op</span><span class="plain">, </span><span class="string">"<="</span><span class="plain">) == 0) </span><span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LE_BIP</span><span class="plain">);</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"can't find operator"</span><span class="plain">);</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">This code is used in <a href="#SP3">§3</a> (twice), <a href="#SP4">§4</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP4"></a><b>§4. </b></p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Chronology::compile_past_tense_condition</span><span class="plain">(</span><span class="identifier">value_holster</span><span class="plain"> *</span><span class="identifier">VH</span><span class="plain">, </span><span class="identifier">parse_node</span><span class="plain"> *</span><span class="identifier">spec</span><span class="plain">) {</span>
|
|
<span class="identifier">time_period</span><span class="plain"> </span><span class="identifier">duration</span><span class="plain"> = *(</span><span class="identifier">ParseTree::get_condition_tense</span><span class="plain">(</span><span class="identifier">spec</span><span class="plain">));</span>
|
|
<span class="identifier">spec</span><span class="plain"> = </span><span class="identifier">spec</span><span class="plain">-</span><span class="element">>down</span><span class="plain">;</span>
|
|
|
|
<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">TIME_PERIODS</span><span class="plain">,</span>
|
|
<span class="string">"Chronology::compile_past_tense_condition on:\</span><span class="plain">n</span><span class="string">$T\</span><span class="plain">n</span><span class="string">at: $t\</span><span class="plain">n</span><span class="string">NPT: %d\</span><span class="plain">n</span><span class="string">"</span><span class="plain">,</span>
|
|
<span class="identifier">spec</span><span class="plain">, &</span><span class="identifier">duration</span><span class="plain">, </span><span class="identifier">no_past_tenses</span><span class="plain">);</span>
|
|
|
|
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">pasturise</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
|
|
|
|
<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
|
|
<span class="identifier">action_pattern</span><span class="plain"> *</span><span class="identifier">ap</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">ParseTree::is</span><span class="plain">(</span><span class="identifier">spec</span><span class="plain">, </span><span class="constant">TEST_VALUE_NT</span><span class="plain">)) </span><span class="identifier">ap</span><span class="plain"> = </span><span class="functiontext">Rvalues::to_action_pattern</span><span class="plain">(</span><span class="identifier">spec</span><span class="plain">-</span><span class="element">>down</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">ap</span><span class="plain">) && (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">tense</span><span class="plain"> != </span><span class="identifier">IS_TENSE</span><span class="plain">)) {</span>
|
|
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">units</span><span class="plain"> == </span><span class="identifier">TIMES_UNIT</span><span class="plain">) && (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">length</span><span class="plain"> >= 2)) {</span>
|
|
<span class="identifier">Problems::Issue::sentence_problem</span><span class="plain">(</span><span class="identifier">_p_</span><span class="plain">(</span><span class="identifier">PM_NoMoreRonNewcombMoment</span><span class="plain">),</span>
|
|
<span class="string">"a condition like 'we have X', where X is an action, has either "</span>
|
|
<span class="string">"happened for one spell or never happened at all"</span><span class="plain">,</span>
|
|
<span class="string">"so it can't make sense to ask if it has happened two or more "</span>
|
|
<span class="string">"times. For instance, at the start of play 'we have jumped' is "</span>
|
|
<span class="string">"false, but once the player types JUMP, 'we have jumped' will "</span>
|
|
<span class="string">"then be true for the rest of time. 'We have jumped for the "</span>
|
|
<span class="string">"second time' doesn't mean the jumping happened twice, it "</span>
|
|
<span class="string">"means the having-jumped has happened twice, which is "</span>
|
|
<span class="string">"impossible."</span><span class="plain">);</span>
|
|
<span class="reserved">return</span><span class="plain">;</span>
|
|
<span class="plain">}</span>
|
|
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">length</span><span class="plain"> == -1) && (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">until</span><span class="plain"> == -1)) {</span>
|
|
<span class="identifier">PL::Actions::Patterns::emit_past_tense</span><span class="plain">(</span><span class="identifier">ap</span><span class="plain">);</span>
|
|
<span class="reserved">return</span><span class="plain">;</span>
|
|
<span class="plain">}</span>
|
|
<span class="identifier">pasturise</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
|
|
<span class="identifier">duration</span><span class="plain">.</span><span class="identifier">tense</span><span class="plain"> = </span><span class="identifier">IS_TENSE</span><span class="plain">;</span>
|
|
<span class="plain">}</span>
|
|
<span class="plain">#</span><span class="identifier">endif</span>
|
|
|
|
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">turns_flag</span><span class="plain"> = 0,</span>
|
|
<span class="identifier">perfect_flag</span><span class="plain"> = ((</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">tense</span><span class="plain">)/2)%2,</span>
|
|
<span class="identifier">past_flag</span><span class="plain"> = (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">tense</span><span class="plain">)%2;</span>
|
|
<span class="reserved">char</span><span class="plain"> *</span><span class="identifier">op</span><span class="plain"> = </span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">inform6_operator</span><span class="plain">;</span>
|
|
<span class="reserved">past_tense_condition_record</span><span class="plain"> *</span><span class="identifier">ptc</span><span class="plain">;</span>
|
|
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">too_late_for_past_tenses</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"too late for a PTC"</span><span class="plain">);</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">units</span><span class="plain"> == </span><span class="identifier">TURNS_UNIT</span><span class="plain">) </span><span class="identifier">turns_flag</span><span class="plain"> = 1;</span>
|
|
|
|
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">past_flag</span><span class="plain"> == 0) && (</span><span class="identifier">perfect_flag</span><span class="plain"> == 0) && (</span><span class="identifier">op</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">)) </span><span class="identifier">op</span><span class="plain"> = </span><span class="string">"=="</span><span class="plain">;</span>
|
|
<span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">op</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">op</span><span class="plain"> = </span><span class="string">">="</span><span class="plain">;</span>
|
|
|
|
<span class="identifier">parse_node</span><span class="plain"> *</span><span class="identifier">cond</span><span class="plain"> = </span><span class="identifier">spec</span><span class="plain">;</span>
|
|
|
|
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">output_wanted</span><span class="plain"> = 1 + </span><span class="identifier">turns_flag</span><span class="plain">;</span>
|
|
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">operate</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Occurrence::is_valid</span><span class="plain">(&</span><span class="identifier">duration</span><span class="plain">))</span>
|
|
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">inform6_operator</span><span class="plain"> != </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">length</span><span class="plain"> >= 0))</span>
|
|
<span class="identifier">operate</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">operate</span><span class="plain">) {</span>
|
|
<<span class="cwebmacro">Emit the op</span> <span class="cwebmacronumber">3.1</span>><span class="plain">;</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="plain">}</span>
|
|
<span class="identifier">Produce::inv_call_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TESTSINGLEPASTSTATE_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">past_flag</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_tenses</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) (</span><span class="identifier">output_wanted</span><span class="plain"> + 4*</span><span class="identifier">perfect_flag</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">operate</span><span class="plain">) {</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">duration</span><span class="plain">.</span><span class="identifier">length</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="plain">}</span>
|
|
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">no_past_tenses</span><span class="plain"> >= 1024) { </span> <span class="comment">limit imposed by the Z-machine implementation</span>
|
|
<span class="identifier">Problems::Issue::limit_problem</span><span class="plain">(</span><span class="identifier">_p_</span><span class="plain">(</span><span class="identifier">Untestable</span><span class="plain">), </span> <span class="comment">well, not conveniently</span>
|
|
<span class="string">"conditions written in the past tense"</span><span class="plain">, 1024);</span>
|
|
<span class="reserved">return</span><span class="plain">;</span>
|
|
<span class="plain">}</span>
|
|
|
|
<span class="identifier">ptc</span><span class="plain"> = </span><span class="identifier">CREATE</span><span class="plain">(</span><span class="reserved">past_tense_condition_record</span><span class="plain">);</span>
|
|
<span class="identifier">ptc</span><span class="plain">-</span><span class="element">>where_ptc_tested</span><span class="plain"> = </span><span class="identifier">current_sentence</span><span class="plain">;</span>
|
|
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">pasturise</span><span class="plain">) {</span>
|
|
<span class="identifier">ptc</span><span class="plain">-</span><span class="element">>condition</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
|
|
<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
|
|
<span class="identifier">ptc</span><span class="plain">-</span><span class="element">>ap_to_test</span><span class="plain"> = </span><span class="identifier">ap</span><span class="plain">;</span>
|
|
<span class="plain">#</span><span class="identifier">endif</span>
|
|
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
|
|
<span class="identifier">ptc</span><span class="plain">-</span><span class="element">>condition</span><span class="plain"> = </span><span class="identifier">cond</span><span class="plain">;</span>
|
|
<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
|
|
<span class="identifier">ptc</span><span class="plain">-</span><span class="element">>ap_to_test</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
|
|
<span class="plain">#</span><span class="identifier">endif</span>
|
|
<span class="plain">}</span>
|
|
<span class="identifier">no_past_tenses</span><span class="plain">++;</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Chronology::compile_past_tense_condition is used in 14/cn (<a href="14-cn.html#SP16">§16</a>).</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP5"></a><b>§5. The periodic monitoring. </b>As can be seen from the above routines, we depend on the array <code class="display"><span class="extract">TrackedActions</span></code>,
|
|
on a routine called <code class="display"><span class="extract">TestSinglePastState</span></code> and on magical things happening at
|
|
run-time at the start of every action. Once these are defined, it's too
|
|
late to create any further past tense references, so:
|
|
</p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Chronology::allow_no_further_past_tenses</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
|
|
<span class="identifier">too_late_for_past_tenses</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Chronology::allow_no_further_past_tenses is used in 1/mr (<a href="1-mr.html#SP4_14">§4.14</a>).</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP6"></a><b>§6. </b>The <code class="display"><span class="extract">{-A}</span></code> ("past actions") escape.
|
|
A series of <code class="display"><span class="extract">if</span></code> statements checking whether each past-tense action is now
|
|
true, and updating the relevant array entries accordingly.
|
|
</p>
|
|
|
|
<p class="inwebparagraph">This looks straightforward, but a tricky point arises from the fact that a
|
|
turn is not the same thing as a slot for an action. Usually they correspond,
|
|
but not always. So if the action for a turn is taking, and that causes
|
|
a further action of opening a box, say, what do we say about the number
|
|
of turns for which the taking and opening actions have been happening?
|
|
</p>
|
|
|
|
<p class="inwebparagraph">In <code class="display"><span class="extract">adjust</span></code> mode, we are at the start or end of a "try" action which
|
|
arises mid-turn. As can be seen, adjust mode is allowed only to change
|
|
the record of how many turns an action has been happening — from 0 to 1,
|
|
and otherwise making no change, if the action is the one being tried;
|
|
or else back to 0 if it isn't. In particular, an action implicitly
|
|
tried does not affect the "times" count.
|
|
</p>
|
|
|
|
<p class="inwebparagraph">This is a delicate business. The better way to solve this would be to
|
|
stack a local copy of these arrays each time an action starts, and restore
|
|
it (with updates) each time it finishes. But there is just no storage
|
|
available in the Z-machine to contemplate this with equanimity, so we
|
|
compromise. Historically, it's been a fertile source of tricky bugs.
|
|
The test case <code class="display"><span class="extract">ActionInterrupted</span></code> should be checked if this code is
|
|
ever tampered with.
|
|
</p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Chronology::past_actions_i6_routines</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
|
|
<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
|
|
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">once_only</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
|
|
<span class="reserved">past_tense_action_record</span><span class="plain"> *</span><span class="identifier">pta</span><span class="plain">;</span>
|
|
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">pta</span><span class="plain">, </span><span class="reserved">past_tense_action_record</span><span class="plain">) {</span>
|
|
<span class="identifier">current_sentence</span><span class="plain"> = </span><span class="identifier">pta</span><span class="plain">-</span><span class="element">>where_pta_tested</span><span class="plain">; </span> <span class="comment">ensure problems reported correctly</span>
|
|
<span class="identifier">packaging_state</span><span class="plain"> </span><span class="identifier">save</span><span class="plain"> = </span><span class="functiontext">Routines::begin</span><span class="plain">(</span><span class="identifier">pta</span><span class="plain">-</span><span class="element">>pta_iname</span><span class="plain">);</span>
|
|
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="functiontext">Chronology::ap_compile_forced_to_present</span><span class="plain">(</span><span class="identifier">pta</span><span class="plain">-</span><span class="element">>historic_action</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::rtrue</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::rfalse</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
|
|
<span class="reserved">if</span><span class="plain"> ((</span><span class="functiontext">LocalVariables::are_we_using_table_lookup</span><span class="plain">()) && (</span><span class="identifier">once_only</span><span class="plain">)) {</span>
|
|
<span class="identifier">once_only</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
|
|
<span class="identifier">Problems::Issue::sentence_problem</span><span class="plain">(</span><span class="identifier">_p_</span><span class="plain">(</span><span class="identifier">PM_PastTableLookup</span><span class="plain">),</span>
|
|
<span class="string">"it's not safe to look up table entries in a way referring "</span>
|
|
<span class="string">"to past history"</span><span class="plain">,</span>
|
|
<span class="string">"because it leads to dangerous ambiguities. For instance, "</span>
|
|
<span class="string">"does 'taking an item listed in the Table of Treasure "</span>
|
|
<span class="string">"for the first time' mean that this is the first time taking "</span>
|
|
<span class="string">"any of the things in the table, or only the first time "</span>
|
|
<span class="string">"this one? And so on."</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
|
|
<span class="functiontext">Routines::end</span><span class="plain">(</span><span class="identifier">save</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
<span class="identifier">inter_name</span><span class="plain"> *</span><span class="identifier">iname</span><span class="plain"> = </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PASTACTIONSI6ROUTINES_HL</span><span class="plain">);</span>
|
|
<span class="identifier">packaging_state</span><span class="plain"> </span><span class="identifier">save</span><span class="plain"> = </span><span class="functiontext">Emit::named_array_begin</span><span class="plain">(</span><span class="identifier">iname</span><span class="plain">, </span><span class="identifier">K_value</span><span class="plain">);</span>
|
|
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">pta</span><span class="plain">, </span><span class="reserved">past_tense_action_record</span><span class="plain">)</span>
|
|
<span class="functiontext">Emit::array_iname_entry</span><span class="plain">(</span><span class="identifier">pta</span><span class="plain">-</span><span class="element">>pta_iname</span><span class="plain">);</span>
|
|
<span class="functiontext">Emit::array_numeric_entry</span><span class="plain">(0);</span>
|
|
<span class="functiontext">Emit::array_numeric_entry</span><span class="plain">(0);</span>
|
|
<span class="functiontext">Emit::array_end</span><span class="plain">(</span><span class="identifier">save</span><span class="plain">);</span>
|
|
<span class="functiontext">Hierarchy::make_available</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">iname</span><span class="plain">);</span>
|
|
<span class="plain">#</span><span class="identifier">endif</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Chronology::past_actions_i6_routines is used in 1/mr (<a href="1-mr.html#SP4_14">§4.14</a>).</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP7"></a><b>§7. </b></p>
|
|
|
|
|
|
<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Chronology::past_tenses_i6_escape</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
|
|
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">once_only</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
|
|
<span class="reserved">past_tense_condition_record</span><span class="plain"> *</span><span class="identifier">ptc</span><span class="plain">;</span>
|
|
<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">TIME_PERIODS</span><span class="plain">,</span>
|
|
<span class="string">"Creating %d past tense conditions in TestSinglePastState\</span><span class="plain">n</span><span class="string">"</span><span class="plain">,</span>
|
|
<span class="identifier">NUMBER_CREATED</span><span class="plain">(</span><span class="reserved">past_tense_condition_record</span><span class="plain">));</span>
|
|
|
|
<span class="identifier">inter_name</span><span class="plain"> *</span><span class="identifier">iname</span><span class="plain"> = </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">TESTSINGLEPASTSTATE_HL</span><span class="plain">);</span>
|
|
<span class="identifier">packaging_state</span><span class="plain"> </span><span class="identifier">save</span><span class="plain"> = </span><span class="functiontext">Routines::begin</span><span class="plain">(</span><span class="identifier">iname</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">past_flag_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_named_call_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"past_flag"</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">pt_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_named_call_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"pt"</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">turn_end_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_named_call_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"turn_end"</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">wanted_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_named_call_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"wanted"</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">old_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_internal_local_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"old"</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">new_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_internal_local_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"new"</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">trips_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_internal_local_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"trips"</span><span class="plain">);</span>
|
|
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">consecutives_s</span><span class="plain"> = </span><span class="functiontext">LocalVariables::add_internal_local_as_symbol</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"consecutives"</span><span class="plain">);</span>
|
|
<span class="functiontext">Frames::determines_the_past</span><span class="plain">();</span>
|
|
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IFELSE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">past_flag_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<<span class="cwebmacro">Unpack the past</span> <span class="cwebmacronumber">7.1</span>><span class="plain">;</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<<span class="cwebmacro">Unpack the present</span> <span class="cwebmacronumber">7.2</span>><span class="plain">;</span>
|
|
<<span class="cwebmacro">Swizzle</span> <span class="cwebmacronumber">7.4</span>><span class="plain">;</span>
|
|
<<span class="cwebmacro">Repack the present</span> <span class="cwebmacronumber">7.3</span>><span class="plain">;</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
|
|
<<span class="cwebmacro">Answer the question posed</span> <span class="cwebmacronumber">7.5</span>><span class="plain">;</span>
|
|
|
|
<span class="functiontext">Routines::end</span><span class="plain">(</span><span class="identifier">save</span><span class="plain">);</span>
|
|
<span class="functiontext">Hierarchy::make_available</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">iname</span><span class="plain">);</span>
|
|
<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">TIME_PERIODS</span><span class="plain">, </span><span class="string">"Creation of past tense conditions complete\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">The function Chronology::past_tenses_i6_escape is used in 1/mr (<a href="1-mr.html#SP4_14">§4.14</a>).</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP7_1"></a><b>§7.1. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Unpack the past</span> <span class="cwebmacronumber">7.1</span>> =
|
|
</code></p>
|
|
|
|
|
|
<pre class="displaydefn">
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">BITWISEAND_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_object</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PAST_CHRONOLOGICAL_RECORD_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 1);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">DIVIDE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">BITWISEAND_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_object</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PAST_CHRONOLOGICAL_RECORD_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">xFE</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 2);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">DIVIDE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">BITWISEAND_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_object</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PAST_CHRONOLOGICAL_RECORD_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">xFF00</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">x100</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">This code is used in <a href="#SP7">§7</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP7_2"></a><b>§7.2. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Unpack the present</span> <span class="cwebmacronumber">7.2</span>> =
|
|
</code></p>
|
|
|
|
|
|
<pre class="displaydefn">
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">old_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">BITWISEAND_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_object</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PRESENT_CHRONOLOGICAL_RECORD_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 1);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">DIVIDE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">BITWISEAND_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_object</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PRESENT_CHRONOLOGICAL_RECORD_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">xFE</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 2);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">DIVIDE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">BITWISEAND_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUP_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_object</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PRESENT_CHRONOLOGICAL_RECORD_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">xFF00</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">x100</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
</pre>
|
|
|
|
<p class="inwebparagraph"></p>
|
|
|
|
<p class="endnote">This code is used in <a href="#SP7">§7</a>.</p>
|
|
|
|
<p class="inwebparagraph"><a id="SP7_3"></a><b>§7.3. </b><code class="display">
|
|
<<span class="cwebmacrodefn">Repack the present</span> <span class="cwebmacronumber">7.3</span>> =
|
|
</code></p>
|
|
|
|
|
|
<pre class="displaydefn">
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">LOOKUPREF_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_iname</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_object</span><span class="plain">, </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">PRESENT_CHRONOLOGICAL_RECORD_HL</span><span class="plain">));</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">PLUS_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">PLUS_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">TIMES_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
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<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
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|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">x02</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">TIMES_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0</span><span class="identifier">x100</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">This code is used in <a href="#SP7">§7</a>.</p>
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<p class="inwebparagraph"><a id="SP7_4"></a><b>§7.4. </b><code class="display">
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<<span class="cwebmacrodefn">Swizzle</span> <span class="cwebmacronumber">7.4</span>> =
|
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</code></p>
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<pre class="displaydefn">
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">SWITCH_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">pt_s</span><span class="plain">);</span>
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<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">ptc</span><span class="plain">, </span><span class="reserved">past_tense_condition_record</span><span class="plain">) {</span>
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<span class="identifier">current_sentence</span><span class="plain"> = </span><span class="identifier">ptc</span><span class="plain">-</span><span class="element">>where_ptc_tested</span><span class="plain">; </span> <span class="comment">ensure problems reported correctly</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">CASE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) (</span><span class="identifier">ptc</span><span class="plain">-></span><span class="identifier">allocation_id</span><span class="plain">));</span>
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<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="constant">BEGIN_COMPILATION_MODE</span><span class="plain">;</span>
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<span class="identifier">COMPILATION_MODE_EXIT</span><span class="plain">(</span><span class="constant">DEREFERENCE_POINTERS_CMODE</span><span class="plain">);</span>
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<<span class="cwebmacro">Compile code to set the new state of the condition, as measured in the present</span> <span class="cwebmacronumber">7.4.1</span>><span class="plain">;</span>
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<span class="constant">END_COMPILATION_MODE</span><span class="plain">;</span>
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<span class="reserved">if</span><span class="plain"> ((</span><span class="functiontext">LocalVariables::are_we_using_table_lookup</span><span class="plain">()) && (</span><span class="identifier">once_only</span><span class="plain">)) {</span>
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<span class="identifier">once_only</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
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<span class="identifier">Problems::Issue::sentence_problem</span><span class="plain">(</span><span class="identifier">_p_</span><span class="plain">(</span><span class="identifier">PM_PastTableEntries</span><span class="plain">),</span>
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<span class="string">"it's not safe to look up table entries in a way referring "</span>
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<span class="string">"to past history"</span><span class="plain">,</span>
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<span class="string">"because it leads to dangerous ambiguities. For instance, "</span>
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<span class="string">"does 'taking an item listed in the Table of Treasure "</span>
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<span class="string">"for the first time' mean that this is the first time taking "</span>
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<span class="string">"any of the things in the table, or only the first time "</span>
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<span class="string">"this one? And so on."</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="plain">}</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">DEFAULT_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">PRINT_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_text</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">I</span><span class="string">"*** No such past tense condition ***\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
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|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0);</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IFELSE_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
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|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">EQ_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">old_s</span><span class="plain">);</span>
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|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_truth_state</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">POSTINCREMENT_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">GT_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 127);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 127);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">turn_end_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">POSTINCREMENT_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">GT_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 127);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 127);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
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|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0);</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
</pre>
|
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<p class="inwebparagraph"></p>
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<p class="endnote">This code is used in <a href="#SP7">§7</a>.</p>
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<p class="inwebparagraph"><a id="SP7_4_1"></a><b>§7.4.1. </b>The following goes through the dance of writing to a temporary stream in
|
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order to ensure that the compilation happens in a memory stream, rather than
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a file stream, thus allowing rewinding:
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</p>
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<p class="macrodefinition"><code class="display">
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<<span class="cwebmacrodefn">Compile code to set the new state of the condition, as measured in the present</span> <span class="cwebmacronumber">7.4.1</span>> =
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</code></p>
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<pre class="displaydefn">
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">ptc</span><span class="plain">-</span><span class="element">>condition</span><span class="plain">) {</span>
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<span class="identifier">parse_node</span><span class="plain"> *</span><span class="identifier">spec</span><span class="plain"> = </span><span class="identifier">ptc</span><span class="plain">-</span><span class="element">>condition</span><span class="plain">;</span>
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<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">TIME_PERIODS</span><span class="plain">, </span><span class="string">"Number %d: proposition $D\</span><span class="plain">n</span><span class="string">"</span><span class="plain">,</span>
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<span class="identifier">ptc</span><span class="plain">-></span><span class="identifier">allocation_id</span><span class="plain">, </span><span class="functiontext">Specifications::to_proposition</span><span class="plain">(</span><span class="identifier">spec</span><span class="plain">));</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Calculus::Propositions::contains_callings</span><span class="plain">(</span><span class="functiontext">Specifications::to_proposition</span><span class="plain">(</span><span class="identifier">spec</span><span class="plain">))) {</span>
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<span class="identifier">Problems::Issue::sentence_problem</span><span class="plain">(</span><span class="identifier">_p_</span><span class="plain">(</span><span class="identifier">PM_PastCallings</span><span class="plain">),</span>
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<span class="string">"it's not safe to use '(called ...)' in a way referring "</span>
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<span class="string">"to past history"</span><span class="plain">,</span>
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<span class="string">"because this would make a temporary value to hold the "</span>
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<span class="string">"quantity in question, but at a different time from when "</span>
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<span class="string">"it would be needed."</span><span class="plain">);</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
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<span class="functiontext">Specifications::Compiler::emit_as_val</span><span class="plain">(</span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">spec</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="plain">}</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
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<span class="plain">#</span><span class="identifier">ifdef</span><span class="plain"> </span><span class="identifier">IF_MODULE</span>
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<span class="identifier">LOG</span><span class="plain">(</span><span class="string">"Picked up past $A\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, </span><span class="identifier">ptc</span><span class="plain">-</span><span class="element">>ap_to_test</span><span class="plain">);</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">STORE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::ref_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
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|
<span class="identifier">PL::Actions::Patterns::emit_past_tense</span><span class="plain">(</span><span class="identifier">ptc</span><span class="plain">-</span><span class="element">>ap_to_test</span><span class="plain">);</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="plain">#</span><span class="identifier">endif</span>
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|
<span class="plain">}</span>
|
|
</pre>
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|
<p class="inwebparagraph"></p>
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|
<p class="endnote">This code is used in <a href="#SP7_4">§7.4</a>.</p>
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<p class="inwebparagraph"><a id="SP7_5"></a><b>§7.5. </b><code class="display">
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<<span class="cwebmacrodefn">Answer the question posed</span> <span class="cwebmacronumber">7.5</span>> =
|
|
</code></p>
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|
|
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|
<pre class="displaydefn">
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">SWITCH_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">wanted_s</span><span class="plain">);</span>
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|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">CASE_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0);</span>
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|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">RETURN_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">CASE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 1);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">RETURN_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">CASE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 2);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">IF_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">RETURN_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">PLUS_BIP</span><span class="plain">); </span> <span class="comment">Plus one because we count the current turn</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 1);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">CASE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 4);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">RETURN_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">new_s</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">CASE_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 5);</span>
|
|
<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">RETURN_BIP</span><span class="plain">);</span>
|
|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
|
|
<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">trips_s</span><span class="plain">);</span>
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|
<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">CASE_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 6);</span>
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<span class="identifier">Produce::code</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">RETURN_BIP</span><span class="plain">);</span>
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<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::val_symbol</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_value</span><span class="plain">, </span><span class="identifier">consecutives_s</span><span class="plain">);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
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<span class="identifier">Produce::inv_primitive</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">RETURN_BIP</span><span class="plain">);</span>
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|
<span class="identifier">Produce::down</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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|
<span class="identifier">Produce::val</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">K_number</span><span class="plain">, </span><span class="identifier">LITERAL_IVAL</span><span class="plain">, 0);</span>
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<span class="identifier">Produce::up</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">());</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">This code is used in <a href="#SP7">§7</a>.</p>
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<p class="inwebparagraph"><a id="SP8"></a><b>§8. </b>The <code class="display"><span class="extract">{-E}</span></code> ("extents") escape.
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|
Sizes for the arrays. We need to do these after compiling the code in the
|
|
escapes above, because they might continue to spawn each other as they
|
|
compile: e.g. a past tense action pattern might itself refer to a condition
|
|
in the still more remote past, as in the case of "After switching on the
|
|
lunar clock when the lunar clock has been switched on for more than five
|
|
times".
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</p>
|
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|
|
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<pre class="display">
|
|
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Chronology::chronology_extents_i6_escape</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
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|
<span class="identifier">inter_name</span><span class="plain"> *</span><span class="identifier">iname1</span><span class="plain"> = </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">NO_PAST_TENSE_CONDS_HL</span><span class="plain">);</span>
|
|
<span class="functiontext">Hierarchy::make_available</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">iname1</span><span class="plain">);</span>
|
|
<span class="functiontext">Emit::named_numeric_constant</span><span class="plain">(</span><span class="identifier">iname1</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_tenses</span><span class="plain">);</span>
|
|
|
|
<span class="identifier">inter_name</span><span class="plain"> *</span><span class="identifier">iname2</span><span class="plain"> = </span><span class="functiontext">Hierarchy::find</span><span class="plain">(</span><span class="constant">NO_PAST_TENSE_ACTIONS_HL</span><span class="plain">);</span>
|
|
<span class="functiontext">Hierarchy::make_available</span><span class="plain">(</span><span class="functiontext">Emit::tree</span><span class="plain">(), </span><span class="identifier">iname2</span><span class="plain">);</span>
|
|
<span class="functiontext">Emit::named_numeric_constant</span><span class="plain">(</span><span class="identifier">iname2</span><span class="plain">, (</span><span class="identifier">inter_t</span><span class="plain">) </span><span class="identifier">no_past_actions</span><span class="plain">);</span>
|
|
<span class="plain">}</span>
|
|
</pre>
|
|
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|
<p class="inwebparagraph"></p>
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|
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<p class="endnote">The function Chronology::chronology_extents_i6_escape is used in 1/mr (<a href="1-mr.html#SP4_14">§4.14</a>).</p>
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<hr class="tocbar">
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<ul class="toc"><li><a href="24-sf.html">Back to 'Stack Frames'</a></li><li><i>(This section ends Chapter 24: Compilation Context.)</i></li></ul><hr class="tocbar">
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<!--End of weave-->
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