29 lines
5.3 KiB
Text
29 lines
5.3 KiB
Text
(phixonline)-->
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<span style="color: #000080;font-style:italic;">--
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-- demo\rosetta\Compiler\lex.exw
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-- =============================
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--</span>
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<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
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<span style="color: #008080;">include</span> <span style="color: #000000;">lex</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
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<span style="color: #008080;">procedure</span> <span style="color: #000000;">main</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">cl</span><span style="color: #0000FF;">)</span>
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<span style="color: #000000;">open_files</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cl</span><span style="color: #0000FF;">)</span>
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<span style="color: #004080;">sequence</span> <span style="color: #000000;">toks</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">lex</span><span style="color: #0000FF;">()</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">tok</span>
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<span style="color: #004080;">object</span> <span style="color: #000000;">v</span>
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<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">toks</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span>
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<span style="color: #0000FF;">{</span><span style="color: #000000;">tok_line</span><span style="color: #0000FF;">,</span><span style="color: #000000;">tok_col</span><span style="color: #0000FF;">,</span><span style="color: #000000;">tok</span><span style="color: #0000FF;">,</span><span style="color: #000000;">v</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">toks</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span>
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<span style="color: #008080;">switch</span> <span style="color: #000000;">tok</span> <span style="color: #008080;">do</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Identifier</span><span style="color: #0000FF;">:</span> <span style="color: #000000;">v</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">" %s"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">v</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Integer</span><span style="color: #0000FF;">:</span> <span style="color: #000000;">v</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">" %5d"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">v</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_String</span><span style="color: #0000FF;">:</span> <span style="color: #000000;">v</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">" %s"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">enquote</span><span style="color: #0000FF;">(</span><span style="color: #000000;">v</span><span style="color: #0000FF;">))</span>
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<span style="color: #008080;">else</span> <span style="color: #000000;">v</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">""</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">switch</span>
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<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">output_file</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"%5d %5d %-10s%s\n"</span><span style="color: #0000FF;">,</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">tok_line</span><span style="color: #0000FF;">,</span><span style="color: #000000;">tok_col</span><span style="color: #0000FF;">,</span><span style="color: #000000;">tkNames</span><span style="color: #0000FF;">[</span><span style="color: #000000;">tok</span><span style="color: #0000FF;">],</span><span style="color: #000000;">v</span><span style="color: #0000FF;">})</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
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<span style="color: #000000;">close_files</span><span style="color: #0000FF;">()</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
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<span style="color: #000080;font-style:italic;">--main(command_line())</span>
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<span style="color: #000000;">main</span><span style="color: #0000FF;">({</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"test4.c"</span><span style="color: #0000FF;">})</span>
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<!--
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