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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inter Modules</a></li><li><a href="index.html">final</a></li><li><a href="index.html#5">Chapter 5: C</a></li><li><b>C Literals</b></li></ul></div>
<p class="purpose">Text and dictionary words translated to C.</p>
<ul class="toc"><li><a href="5-clt.html#SP1">&#167;1. Setting up the model</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. Setting up the model. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::initialise</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::initialise</span></span>:<br/>Generating C - <a href="5-fnc.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation_target</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">, </span><span class="constant-syntax">COMPILE_DICTIONARY_WORD_MTID</span><span class="plain-syntax">, </span><a href="5-clt.html#SP2" class="function-link"><span class="function-syntax">CLiteralsModel::compile_dictionary_word</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">, </span><span class="constant-syntax">COMPILE_LITERAL_NUMBER_MTID</span><span class="plain-syntax">, </span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::compile_literal_number</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">, </span><span class="constant-syntax">COMPILE_LITERAL_REAL_MTID</span><span class="plain-syntax">, </span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::compile_literal_real</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">, </span><span class="constant-syntax">COMPILE_LITERAL_TEXT_MTID</span><span class="plain-syntax">, </span><a href="5-clt.html#SP4" class="function-link"><span class="function-syntax">CLiteralsModel::compile_literal_text</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">C_generation_literals_model_data</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">double_quoted_C</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_double_quoted_C_strings</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">single_quoted_C</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">C_dword_count</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">dictionary</span><span class="plain-syntax"> *</span><span class="identifier-syntax">C_vm_dictionary</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">C_generation_literals_model_data</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::initialise_data</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::initialise_data</span></span>:<br/>Generating C - <a href="5-fnc.html#SP4">&#167;4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">double_quoted_C</span><span class="plain-syntax">) = </span><span class="identifier-syntax">Str::new</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">no_double_quoted_C_strings</span><span class="plain-syntax">) = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">single_quoted_C</span><span class="plain-syntax">) = </span><span class="identifier-syntax">Str::new</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">C_dword_count</span><span class="plain-syntax">) = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">C_vm_dictionary</span><span class="plain-syntax">) = </span><span class="identifier-syntax">Dictionaries::new</span><span class="plain-syntax">(1024, </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::begin</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::begin</span></span>:<br/>Generating C - <a href="5-fnc.html#SP5">&#167;5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="5-clt.html#SP1" class="function-link"><span class="function-syntax">CLiteralsModel::initialise_data</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::end</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::end</span></span>:<br/>Generating C - <a href="5-fnc.html#SP5">&#167;5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">generated_segment</span><span class="plain-syntax"> *</span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP5" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_predeclarations_I7CGS</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">C_dword_count</span><span class="plain-syntax">); </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define i7_s_dword_%d %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">*</span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"#define i7_p_dword_%d %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">*</span><span class="identifier-syntax">i</span><span class="plain-syntax"> + </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-cg.html#SP5" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP5" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_predeclarations_I7CGS</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"char *dqs[] = {\n%S\"\" };\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">double_quoted_C</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><a href="2-cg.html#SP5" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">saved</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP5" class="function-link"><span class="function-syntax">CodeGen::select</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="constant-syntax">c_predeclarations_I7CGS</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"char *sqs[] = {\n%S\"\" };\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">single_quoted_C</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><a href="2-cg.html#SP5" class="function-link"><span class="function-syntax">CodeGen::deselect</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">saved</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure C_generation_literals_model_data is private to this section.</li></ul>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::compile_dictionary_word</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::compile_dictionary_word</span></span>:<br/><a href="5-clt.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation_target</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dictionaries::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">C_vm_dictionary</span><span class="plain-syntax">), </span><span class="identifier-syntax">S</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">val</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">Dictionaries::create_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">C_vm_dictionary</span><span class="plain-syntax">), </span><span class="identifier-syntax">S</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="string-syntax">"i7_%s_dword_%d"</span><span class="plain-syntax">, (</span><span class="identifier-syntax">pluralise</span><span class="plain-syntax">)?</span><span class="string-syntax">"p"</span><span class="plain-syntax">:</span><span class="string-syntax">"s"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">C_dword_count</span><span class="plain-syntax">)++);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dictionaries::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">C_vm_dictionary</span><span class="plain-syntax">), </span><span class="identifier-syntax">S</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">single_quoted_C</span><span class="plain-syntax">), </span><span class="string-syntax">"\"%S\", \"%S\", "</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::compile_literal_number</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::compile_literal_number</span></span>:<br/><a href="5-clt.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation_target</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">hex_mode</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">hex_mode</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"0x%x"</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">val</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="comment-syntax"> Return 10 raised to the expo power.</span>
<span class="plain-syntax"> *</span>
<span class="plain-syntax"> * </span><span class="identifier-syntax">I</span><span class="character-syntax">'m avoiding the standard pow() function for a rather lame reason:</span>
<span class="character-syntax"> * it'</span><span class="identifier-syntax">s</span><span class="plain-syntax"> </span><span class="identifier-syntax">in</span><span class="plain-syntax"> </span><span class="identifier-syntax">the</span><span class="plain-syntax"> </span><span class="identifier-syntax">libmath</span><span class="plain-syntax"> (-</span><span class="identifier-syntax">lm</span><span class="plain-syntax">) </span><span class="identifier-syntax">library</span><span class="plain-syntax">, </span><span class="identifier-syntax">and</span><span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="plain-syntax"> </span><span class="identifier-syntax">don</span><span class="character-syntax">'t want to change the</span>
<span class="character-syntax"> * build model for the compiler. So, this is implemented with a stupid</span>
<span class="character-syntax"> * lookup table. It'</span><span class="identifier-syntax">s</span><span class="plain-syntax"> </span><span class="identifier-syntax">faster</span><span class="plain-syntax"> </span><span class="identifier-syntax">than</span><span class="plain-syntax"> </span><span class="identifier-syntax">pow</span><span class="plain-syntax">() </span><span class="reserved-syntax">for</span><span class="plain-syntax"> </span><span class="identifier-syntax">small</span><span class="plain-syntax"> </span><span class="identifier-syntax">values</span><span class="plain-syntax"> </span><span class="identifier-syntax">of</span><span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax">.</span>
<span class="plain-syntax"> * </span><span class="identifier-syntax">Probably</span><span class="plain-syntax"> </span><span class="identifier-syntax">not</span><span class="plain-syntax"> </span><span class="identifier-syntax">as</span><span class="plain-syntax"> </span><span class="identifier-syntax">fast</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax"> </span><span class="identifier-syntax">is</span><span class="plain-syntax"> </span><span class="constant-syntax">200</span><span class="plain-syntax">, </span><span class="identifier-syntax">but</span><span class="plain-syntax"> </span><span class="string-syntax">"$+1e200"</span><span class="plain-syntax"> </span><span class="identifier-syntax">is</span><span class="plain-syntax"> </span><span class="identifier-syntax">an</span><span class="plain-syntax"> </span><span class="identifier-syntax">overflow</span>
<span class="plain-syntax"> * </span><span class="identifier-syntax">anyway</span><span class="plain-syntax">, </span><span class="identifier-syntax">so</span><span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="plain-syntax"> </span><span class="identifier-syntax">don</span><span class="character-syntax">'t expect that to be a problem.</span>
<span class="character-syntax"> *</span>
<span class="character-syntax"> * (For some reason, frexp() and ldexp(), which are used later on, do</span>
<span class="character-syntax"> * not require libmath to be linked in.)</span>
<span class="character-syntax"> */</span>
<span class="character-syntax">#ifndef POW10_RANGE</span>
<span class="character-syntax">#define POW10_RANGE (8)</span>
<span class="character-syntax">#endif</span>
<span class="character-syntax">double CLiteralsModel::pow10_cheap(int expo)</span>
<span class="character-syntax">{</span>
<span class="character-syntax"> static double powers[POW10_RANGE*2+1] = {</span>
<span class="character-syntax"> 0.00000001, 0.0000001, 0.000001, 0.00001, 0.0001, 0.001, 0.01, 0.1,</span>
<span class="character-syntax"> 1.0,</span>
<span class="character-syntax"> 10.0, 100.0, 1000.0, 10000.0, 100000.0, 1000000.0, 10000000.0, 100000000.0</span>
<span class="character-syntax"> };</span>
<span class="character-syntax"> double res = 1.0;</span>
<span class="character-syntax"> if (expo &lt; 0) {</span>
<span class="character-syntax"> for (; expo &lt; -POW10_RANGE; expo += POW10_RANGE) {</span>
<span class="character-syntax"> res *= powers[0];</span>
<span class="character-syntax"> }</span>
<span class="character-syntax"> return res * powers[POW10_RANGE+expo];</span>
<span class="character-syntax"> }</span>
<span class="character-syntax"> else {</span>
<span class="character-syntax"> for (; expo &gt; POW10_RANGE; expo -= POW10_RANGE) {</span>
<span class="character-syntax"> res *= powers[POW10_RANGE*2];</span>
<span class="character-syntax"> }</span>
<span class="character-syntax"> return res * powers[POW10_RANGE+expo];</span>
<span class="character-syntax"> }</span>
<span class="character-syntax">}</span>
<span class="comment-syntax"> Return the IEEE-754 single-precision encoding of a floating-point</span>
<span class="character-syntax"> * number. See http:</span><span class="comment-syntax">www.psc.edu/general/software/packages/ieee/ieee.php</span>
<span class="character-syntax"> * for an explanation.</span>
<span class="character-syntax"> *</span>
<span class="character-syntax"> * The number is provided in the pieces it was parsed in:</span>
<span class="character-syntax"> * [+|-] intv "." fracv "e" [+|-]expo</span>
<span class="character-syntax"> *</span>
<span class="character-syntax"> * If the magnitude is too large (beyond about 3.4e+38), this returns</span>
<span class="character-syntax"> * an infinite value (0x7f800000 or 0xff800000). If the magnitude is too</span>
<span class="character-syntax"> * small (below about 1e-45), this returns a zero value (0x00000000 or</span>
<span class="character-syntax"> * 0x80000000). If any of the inputs are NaN, this returns NaN (but the</span>
<span class="character-syntax"> * lexer should never do that).</span>
<span class="character-syntax"> *</span>
<span class="character-syntax"> * Note that using a float constant does *not* set the uses_float_features</span>
<span class="character-syntax"> * flag (which would cause the game file to be labelled 3.1.2). There'</span><span class="identifier-syntax">s</span>
<span class="plain-syntax"> * </span><span class="identifier-syntax">no</span><span class="plain-syntax"> </span><span class="identifier-syntax">VM</span><span class="plain-syntax"> </span><span class="identifier-syntax">feature</span><span class="plain-syntax"> </span><span class="identifier-syntax">here</span><span class="plain-syntax">, </span><span class="identifier-syntax">just</span><span class="plain-syntax"> </span><span class="identifier-syntax">an</span><span class="plain-syntax"> </span><span class="identifier-syntax">integer</span><span class="plain-syntax">. </span><span class="identifier-syntax">Of</span><span class="plain-syntax"> </span><span class="identifier-syntax">course</span><span class="plain-syntax">, </span><span class="identifier-syntax">any</span><span class="plain-syntax"> </span><span class="identifier-syntax">use</span><span class="plain-syntax"> </span><span class="identifier-syntax">of</span><span class="plain-syntax"> </span><span class="identifier-syntax">the</span><span class="plain-syntax"> </span><span class="reserved-syntax">float</span>
<span class="plain-syntax"> * *</span><span class="identifier-syntax">opcodes</span><span class="plain-syntax">* </span><span class="identifier-syntax">will</span><span class="plain-syntax"> </span><span class="identifier-syntax">set</span><span class="plain-syntax"> </span><span class="identifier-syntax">the</span><span class="plain-syntax"> </span><span class="identifier-syntax">flag</span><span class="plain-syntax">.</span>
<span class="plain-syntax"> *</span>
<span class="plain-syntax"> * </span><span class="identifier-syntax">The</span><span class="plain-syntax"> </span><span class="identifier-syntax">math</span><span class="plain-syntax"> </span><span class="identifier-syntax">functions</span><span class="plain-syntax"> </span><span class="identifier-syntax">in</span><span class="plain-syntax"> </span><span class="identifier-syntax">this</span><span class="plain-syntax"> </span><span class="identifier-syntax">routine</span><span class="plain-syntax"> </span><span class="identifier-syntax">require</span><span class="plain-syntax"> #</span><span class="identifier-syntax">including</span><span class="plain-syntax"> </span><span class="function-syntax">&lt;math.h&gt;</span><span class="plain-syntax">, </span><span class="identifier-syntax">but</span>
<span class="plain-syntax"> * </span><span class="identifier-syntax">they</span><span class="plain-syntax"> </span><span class="identifier-syntax">should</span><span class="plain-syntax"> </span><span class="identifier-syntax">not</span><span class="plain-syntax"> </span><span class="identifier-syntax">require</span><span class="plain-syntax"> </span><span class="identifier-syntax">linking</span><span class="plain-syntax"> </span><span class="identifier-syntax">the</span><span class="plain-syntax"> </span><span class="identifier-syntax">math</span><span class="plain-syntax"> </span><span class="identifier-syntax">library</span><span class="plain-syntax"> (-</span><span class="identifier-syntax">lm</span><span class="plain-syntax">). </span><span class="identifier-syntax">At</span><span class="plain-syntax"> </span><span class="identifier-syntax">least</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> * </span><span class="identifier-syntax">they</span><span class="plain-syntax"> </span><span class="reserved-syntax">do</span><span class="plain-syntax"> </span><span class="identifier-syntax">not</span><span class="plain-syntax"> </span><span class="identifier-syntax">on</span><span class="plain-syntax"> </span><span class="identifier-syntax">OSX</span><span class="plain-syntax"> </span><span class="identifier-syntax">and</span><span class="plain-syntax"> </span><span class="identifier-syntax">Linux</span><span class="plain-syntax">.</span>
<span class="plain-syntax"> */</span>
<span class="identifier-syntax">uint32_t</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::construct_float</span><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">signbit</span><span class="plain-syntax">, </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">intv</span><span class="plain-syntax">, </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">fracv</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax">)</span>
<span class="plain-syntax">{</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">absval</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">intv</span><span class="plain-syntax"> + </span><span class="identifier-syntax">fracv</span><span class="plain-syntax">) * </span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::pow10_cheap</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">expo</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">uint32_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">sign</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">signbit</span><span class="plain-syntax"> ? </span><span class="constant-syntax">0x80000000</span><span class="plain-syntax"> : </span><span class="constant-syntax">0x0</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">mant</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">uint32_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">fbits</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">isinf</span><span class="plain-syntax">(</span><span class="identifier-syntax">absval</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">sign</span><span class="plain-syntax"> | </span><span class="constant-syntax">0x7f800000</span><span class="plain-syntax">; </span><span class="comment-syntax"> infinity</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">isnan</span><span class="plain-syntax">(</span><span class="identifier-syntax">absval</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">sign</span><span class="plain-syntax"> | </span><span class="constant-syntax">0x7fc00000</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> = </span><span class="identifier-syntax">frexp</span><span class="plain-syntax">(</span><span class="identifier-syntax">absval</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">expo</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="comment-syntax"> Normalize mantissa to be in the range [1.0, 2.0)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (0.5 &lt;= </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> &amp;&amp; </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> &lt; </span><span class="constant-syntax">1</span><span class="plain-syntax">.0) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> *= </span><span class="constant-syntax">2</span><span class="plain-syntax">.0;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax">--;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">mant</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">.0) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">sign</span><span class="plain-syntax"> | </span><span class="constant-syntax">0x7f800000</span><span class="plain-syntax">; </span><span class="comment-syntax"> infinity</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">expo</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">128</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">sign</span><span class="plain-syntax"> | </span><span class="constant-syntax">0x7f800000</span><span class="plain-syntax">; </span><span class="comment-syntax"> infinity</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">expo</span><span class="plain-syntax"> &lt; -126) {</span>
<span class="plain-syntax"> </span><span class="comment-syntax"> Denormalized (very small) number</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ldexp</span><span class="plain-syntax">(</span><span class="identifier-syntax">mant</span><span class="plain-syntax">, </span><span class="constant-syntax">126</span><span class="plain-syntax"> + </span><span class="identifier-syntax">expo</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (!(</span><span class="identifier-syntax">expo</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax"> &amp;&amp; </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">.0)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax"> += </span><span class="constant-syntax">127</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> -= </span><span class="constant-syntax">1</span><span class="plain-syntax">.0; </span><span class="comment-syntax"> Get rid of leading 1</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">mant</span><span class="plain-syntax"> *= </span><span class="constant-syntax">8388608</span><span class="plain-syntax">.0; </span><span class="comment-syntax"> 2^23</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">fbits</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">uint32_t</span><span class="plain-syntax">)(</span><span class="identifier-syntax">mant</span><span class="plain-syntax"> + </span><span class="constant-syntax">0</span><span class="plain-syntax">.5); </span><span class="comment-syntax"> round mant to nearest int</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">fbits</span><span class="plain-syntax"> &gt;&gt; </span><span class="constant-syntax">23</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="comment-syntax"> The carry propagated out of a string of 23 1 bits.</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">fbits</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">expo</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">255</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">sign</span><span class="plain-syntax"> | </span><span class="constant-syntax">0x7f800000</span><span class="plain-syntax">; </span><span class="comment-syntax"> infinity</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> (</span><span class="identifier-syntax">sign</span><span class="plain-syntax">) | ((</span><span class="identifier-syntax">uint32_t</span><span class="plain-syntax">)(</span><span class="identifier-syntax">expo</span><span class="plain-syntax"> &lt;&lt; </span><span class="constant-syntax">23</span><span class="plain-syntax">)) | (</span><span class="identifier-syntax">fbits</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::character_digit_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &gt;= </span><span class="character-syntax">'0'</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &lt;= </span><span class="character-syntax">'9'</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> - </span><span class="character-syntax">'0'</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">10</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::compile_literal_real</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::compile_literal_real</span></span>:<br/><a href="5-clt.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation_target</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">textual</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">at</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax">=0; </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">intv</span><span class="plain-syntax">=0, </span><span class="identifier-syntax">fracv</span><span class="plain-syntax">=0;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">expocount</span><span class="plain-syntax">=0, </span><span class="identifier-syntax">intcount</span><span class="plain-syntax">=0, </span><span class="identifier-syntax">fraccount</span><span class="plain-syntax">=0, </span><span class="identifier-syntax">signbit</span><span class="plain-syntax">=0;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'-'</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">signbit</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'+'</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">signbit</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::character_digit_value</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax">) &lt; </span><span class="constant-syntax">10</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">intv</span><span class="plain-syntax"> = </span><span class="constant-syntax">10</span><span class="plain-syntax">.0*</span><span class="identifier-syntax">intv</span><span class="plain-syntax"> + </span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::character_digit_value</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">intcount</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'.'</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">fracpow</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">.0;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::character_digit_value</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax">) &lt; </span><span class="constant-syntax">10</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">fracpow</span><span class="plain-syntax"> *= </span><span class="constant-syntax">0</span><span class="plain-syntax">.1;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">fracv</span><span class="plain-syntax"> = </span><span class="identifier-syntax">fracv</span><span class="plain-syntax"> + </span><span class="identifier-syntax">fracpow</span><span class="plain-syntax">*</span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::character_digit_value</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">fraccount</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'e'</span><span class="plain-syntax"> || </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'E'</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">exposign</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'+'</span><span class="plain-syntax"> || </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'-'</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">exposign</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> == </span><span class="character-syntax">'-'</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::character_digit_value</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax">) &lt; </span><span class="constant-syntax">10</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">expo</span><span class="plain-syntax"> = </span><span class="constant-syntax">10</span><span class="plain-syntax">*</span><span class="identifier-syntax">expo</span><span class="plain-syntax"> + </span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::character_digit_value</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">lookahead</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">expocount</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">lookahead</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">textual</span><span class="plain-syntax">, </span><span class="identifier-syntax">at</span><span class="plain-syntax">++);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">expocount</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">STDERR</span><span class="plain-syntax">, </span><span class="string-syntax">"Floating-point literal '%S' must have digits after the 'e'"</span><span class="plain-syntax">, </span><span class="identifier-syntax">textual</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"bad floating-point literal"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">exposign</span><span class="plain-syntax">) { </span><span class="identifier-syntax">expo</span><span class="plain-syntax"> = -</span><span class="identifier-syntax">expo</span><span class="plain-syntax">; }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">intcount</span><span class="plain-syntax"> + </span><span class="identifier-syntax">fraccount</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">STDERR</span><span class="plain-syntax">, </span><span class="string-syntax">"Floating-point literal '%S' must have digits"</span><span class="plain-syntax">, </span><span class="identifier-syntax">textual</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"bad floating-point literal"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">uint32_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><a href="5-clt.html#SP3" class="function-link"><span class="function-syntax">CLiteralsModel::construct_float</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">signbit</span><span class="plain-syntax">, </span><span class="identifier-syntax">intv</span><span class="plain-syntax">, </span><span class="identifier-syntax">fracv</span><span class="plain-syntax">, </span><span class="identifier-syntax">expo</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"(i7val) 0x%08x"</span><span class="plain-syntax">, </span><span class="identifier-syntax">n</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The function CLiteralsModel::pow10_cheap appears nowhere else.</li></ul>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::hex_val</span><span class="plain-syntax">(</span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &gt;= </span><span class="character-syntax">'0'</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &lt;= </span><span class="character-syntax">'9'</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> - </span><span class="character-syntax">'0'</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &gt;= </span><span class="character-syntax">'a'</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &lt;= </span><span class="character-syntax">'f'</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> - </span><span class="character-syntax">'a'</span><span class="plain-syntax"> + </span><span class="constant-syntax">10</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &gt;= </span><span class="character-syntax">'A'</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">c</span><span class="plain-syntax"> &lt;= </span><span class="character-syntax">'F'</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> - </span><span class="character-syntax">'A'</span><span class="plain-syntax"> + </span><span class="constant-syntax">10</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> -1;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::compile_literal_text</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::compile_literal_text</span></span>:<br/><a href="5-clt.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation_target</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cgt</span><span class="plain-syntax">, </span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">printing_mode</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">box_mode</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">escape_mode</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">printing_mode</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"(I7VAL_STRINGS_BASE + %d)"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">no_double_quoted_C_strings</span><span class="plain-syntax">)++);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="identifier-syntax">double_quoted_C</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">escape_mode</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;</span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">); </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax">(</span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'@'</span><span class="plain-syntax">: {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1) == </span><span class="character-syntax">'@'</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">cc</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Characters::isdigit</span><span class="plain-syntax">(</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, ++</span><span class="identifier-syntax">i</span><span class="plain-syntax">)))</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">cc</span><span class="plain-syntax"> = </span><span class="constant-syntax">10</span><span class="plain-syntax">*</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> + (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">) - </span><span class="character-syntax">'0'</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> == </span><span class="character-syntax">'\n'</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> == </span><span class="character-syntax">'\"'</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> == </span><span class="character-syntax">'\\'</span><span class="plain-syntax">)) </span><span class="identifier-syntax">PUT</span><span class="plain-syntax">(</span><span class="character-syntax">'\\'</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">PUT</span><span class="plain-syntax">(</span><span class="identifier-syntax">cc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">--;</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1) == </span><span class="character-syntax">'{'</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">cc</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, ++</span><span class="identifier-syntax">i</span><span class="plain-syntax">) != </span><span class="character-syntax">'}'</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">) != </span><span class="constant-syntax">0</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">cc</span><span class="plain-syntax"> = </span><span class="constant-syntax">16</span><span class="plain-syntax">*</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> + </span><a href="5-clt.html#SP4" class="function-link"><span class="function-syntax">CLiteralsModel::hex_val</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> == </span><span class="character-syntax">'\n'</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> == </span><span class="character-syntax">'\"'</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">cc</span><span class="plain-syntax"> == </span><span class="character-syntax">'\\'</span><span class="plain-syntax">)) </span><span class="identifier-syntax">PUT</span><span class="plain-syntax">(</span><span class="character-syntax">'\\'</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">PUT</span><span class="plain-syntax">(</span><span class="identifier-syntax">cc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"@"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'~'</span><span class="plain-syntax">: </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'"'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\\""</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'\\'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\\\"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'\t'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" "</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'^'</span><span class="plain-syntax">: </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'\n'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\n"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">NEWLINE_IN_STRING:</span><span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\n"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span><span class="plain-syntax"> </span><span class="identifier-syntax">PUT</span><span class="plain-syntax">(</span><span class="identifier-syntax">c</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax">(</span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'"'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\\""</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'\\'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\\\"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'\t'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" "</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'\n'</span><span class="plain-syntax">: </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\n"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">NEWLINE_IN_STRING:</span><span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\\n"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span><span class="plain-syntax"> </span><span class="identifier-syntax">PUT</span><span class="plain-syntax">(</span><span class="identifier-syntax">c</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">printing_mode</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">",\n"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::no_strings</span><button class="popup" onclick="togglePopup('usagePopup9')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup9">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::no_strings</span></span>:<br/>C Object Model - <a href="5-com.html#SP1_3">&#167;1.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">C_GEN_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">litdata</span><span class="plain-syntax">.</span><span class="element-syntax">no_double_quoted_C_strings</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">CLiteralsModel::compile_primitive</span><button class="popup" onclick="togglePopup('usagePopup10')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup10">Usage of <span class="code-font"><span class="function-syntax">CLiteralsModel::compile_primitive</span></span>:<br/>C Program Control - <a href="5-cpc.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">code_generation</span><span class="plain-syntax"> *</span><span class="identifier-syntax">gen</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">bip</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_tree_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">P</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax"> = </span><a href="2-cg.html#SP7" class="function-link"><span class="function-syntax">CodeGen::current</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">gen</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">bip</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">PRINTSTRING_BIP:</span><span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_print_C_string(dqs["</span><span class="plain-syntax">); </span><span class="constant-syntax">INV_A1</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" - I7VAL_STRINGS_BASE])"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">PRINTDWORD_BIP:</span><span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"i7_print_C_string(sqs["</span><span class="plain-syntax">); </span><span class="constant-syntax">INV_A1</span><span class="plain-syntax">; </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"])"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">default:</span><span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NOT_APPLICABLE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
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