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Task/Compiler-code-generator/Phix/compiler-code-generator-1.phix
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Task/Compiler-code-generator/Phix/compiler-code-generator-1.phix
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(notonline)-->
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<span style="color: #000080;font-style:italic;">--
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-- demo\rosetta\Compiler\cgen.e
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-- ============================
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--
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-- The reusable part of cgen.exw
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--</span>
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<span style="color: #008080;">without</span> <span style="color: #008080;">js</span> <span style="color: #000080;font-style:italic;">-- (machine code!)</span>
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<span style="color: #008080;">include</span> <span style="color: #000000;">parse</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
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<span style="color: #008080;">global</span> <span style="color: #004080;">sequence</span> <span style="color: #000000;">vars</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{},</span>
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<span style="color: #000000;">strings</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{},</span>
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<span style="color: #000000;">stringptrs</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{}</span>
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<span style="color: #008080;">global</span> <span style="color: #004080;">integer</span> <span style="color: #000000;">chain</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
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<span style="color: #008080;">global</span> <span style="color: #004080;">sequence</span> <span style="color: #000000;">code</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{}</span>
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<span style="color: #008080;">function</span> <span style="color: #000000;">var_idx</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">inode</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">if</span> <span style="color: #000000;">inode</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]!=</span><span style="color: #000000;">tk_Identifier</span> <span style="color: #008080;">then</span> <span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
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<span style="color: #004080;">string</span> <span style="color: #000000;">ident</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">inode</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">ident</span><span style="color: #0000FF;">,</span><span style="color: #000000;">vars</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">if</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span> <span style="color: #008080;">then</span>
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<span style="color: #000000;">vars</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vars</span><span style="color: #0000FF;">,</span><span style="color: #000000;">ident</span><span style="color: #0000FF;">)</span>
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<span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vars</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
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<span style="color: #008080;">return</span> <span style="color: #000000;">n</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
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<span style="color: #008080;">function</span> <span style="color: #000000;">string_idx</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">inode</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">if</span> <span style="color: #000000;">inode</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]!=</span><span style="color: #000000;">tk_String</span> <span style="color: #008080;">then</span> <span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
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<span style="color: #004080;">string</span> <span style="color: #000000;">s</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">inode</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">,</span><span style="color: #000000;">strings</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">if</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span> <span style="color: #008080;">then</span>
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<span style="color: #000000;">strings</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">strings</span><span style="color: #0000FF;">,</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span>
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<span style="color: #000000;">stringptrs</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">stringptrs</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">)</span>
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<span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">strings</span><span style="color: #0000FF;">)</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
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<span style="color: #008080;">return</span> <span style="color: #000000;">n</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
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<span style="color: #008080;">function</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #004080;">object</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
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<span style="color: #000080;font-style:italic;">-- note: must be kept precisely in sync with gen_rec!
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-- (relentlessly tested via estsize/actsize)</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">size</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
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<span style="color: #008080;">if</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">!=</span><span style="color: #004600;">NULL</span> <span style="color: #008080;">then</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">n_type</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
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<span style="color: #004080;">string</span> <span style="color: #000000;">node_type</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">tkNames</span><span style="color: #0000FF;">[</span><span style="color: #000000;">n_type</span><span style="color: #0000FF;">]</span>
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<span style="color: #008080;">switch</span> <span style="color: #000000;">n_type</span> <span style="color: #008080;">do</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Sequence</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_assign</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])+</span><span style="color: #000000;">6</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Integer</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">5</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Identifier</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">6</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_String</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">5</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_while</span><span style="color: #0000FF;">:</span>
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<span style="color: #000080;font-style:italic;">-- emit: @@:<condition><topjmp(@f)><body><tailjmp(@b)>@@:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])+</span><span style="color: #000000;">3</span>
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<span style="color: #004080;">integer</span> <span style="color: #7060A8;">body</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">stail</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">size</span><span style="color: #0000FF;">+</span><span style="color: #7060A8;">body</span><span style="color: #0000FF;">+</span><span style="color: #000000;">2</span><span style="color: #0000FF;">></span><span style="color: #000000;">128</span><span style="color: #0000FF;">?</span><span style="color: #000000;">5</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">stop</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">body</span><span style="color: #0000FF;">+</span><span style="color: #000000;">stail</span> <span style="color: #0000FF;">></span><span style="color: #000000;">127</span><span style="color: #0000FF;">?</span><span style="color: #000000;">6</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">stop</span><span style="color: #0000FF;">+</span><span style="color: #7060A8;">body</span><span style="color: #0000FF;">+</span><span style="color: #000000;">stail</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_lt</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_le</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_ne</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_eq</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_gt</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_ge</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">10</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_and</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_or</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">15</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_add</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_sub</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">4</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_mul</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">5</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_div</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_mod</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">6</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_putc</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Printi</span><span style="color: #0000FF;">:</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Prints</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">5</span>
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<span style="color: #008080;">case</span> <span style="color: #000000;">tk_if</span><span style="color: #0000FF;">:</span>
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<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])+</span><span style="color: #000000;">3</span>
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<span style="color: #008080;">if</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]!=</span><span style="color: #000000;">tk_if</span> <span style="color: #008080;">then</span> <span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">truesize</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">falsesize</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
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<span style="color: #004080;">integer</span> <span style="color: #000000;">elsejmp</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">falsesize</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: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">falsesize</span><span style="color: #0000FF;">></span><span style="color: #000000;">127</span><span style="color: #0000FF;">?</span><span style="color: #000000;">5</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">))</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">mainjmp</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">truesize</span><span style="color: #0000FF;">+</span><span style="color: #000000;">elsejmp</span><span style="color: #0000FF;">></span><span style="color: #000000;">127</span><span style="color: #0000FF;">?</span><span style="color: #000000;">6</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">mainjmp</span><span style="color: #0000FF;">+</span><span style="color: #000000;">truesize</span><span style="color: #0000FF;">+</span><span style="color: #000000;">elsejmp</span><span style="color: #0000FF;">+</span><span style="color: #000000;">falsesize</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_not</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">9</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_neg</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">size</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">4</span>
|
||||
<span style="color: #008080;">else</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">switch</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">return</span> <span style="color: #000000;">size</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
|
||||
|
||||
<span style="color: #008080;">procedure</span> <span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #004080;">object</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000080;font-style:italic;">-- the recursive part of code_gen</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">!=</span><span style="color: #004600;">NULL</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">initsize</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">estsize</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- (test the gen_size function)</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n_type</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">node_type</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">tkNames</span><span style="color: #0000FF;">[</span><span style="color: #000000;">n_type</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #008080;">switch</span> <span style="color: #000000;">n_type</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Sequence</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_assign</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">var_idx</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o217</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o005</span><span style="color: #0000FF;">,</span><span style="color: #000000;">chain</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">n</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- pop [i]</span>
|
||||
<span style="color: #000000;">chain</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)-</span><span style="color: #000000;">3</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Integer</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">0o150</span><span style="color: #0000FF;">&</span><span style="color: #7060A8;">int_to_bytes</span><span style="color: #0000FF;">(</span><span style="color: #000000;">n</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- push imm32</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_while</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000080;font-style:italic;">-- emit: @@:<condition><topjmp(@f)><body><tailjmp(@b)>@@:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">looptop</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o130</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop eax</span>
|
||||
<span style="color: #000000;">0o205</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- test eax,eax</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">bodysize</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000080;font-style:italic;">-- can we use short jumps?
|
||||
-- disclaimer: size calcs are not heavily tested; if in
|
||||
-- doubt reduce 128/7 by 8, and if that works
|
||||
-- then yep, you just found a boundary case.</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">stail</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">bodysize</span><span style="color: #0000FF;">+</span><span style="color: #000000;">4</span><span style="color: #0000FF;">-</span><span style="color: #000000;">looptop</span><span style="color: #0000FF;">></span><span style="color: #000000;">128</span><span style="color: #0000FF;">?</span><span style="color: #000000;">5</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">bodysize</span><span style="color: #0000FF;">+</span><span style="color: #000000;">stail</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">stop</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">></span><span style="color: #000000;">127</span><span style="color: #0000FF;">?</span><span style="color: #000000;">6</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">stop</span><span style="color: #0000FF;">=</span><span style="color: #000000;">2</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o164</span><span style="color: #0000FF;">,</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- jz (short) end</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o017</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o204</span><span style="color: #0000FF;">}&</span><span style="color: #7060A8;">int_to_bytes</span><span style="color: #0000FF;">(</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- jz (long) end</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">looptop</span><span style="color: #0000FF;">-(</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">stail</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">stail</span><span style="color: #0000FF;">=</span><span style="color: #000000;">2</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">0o353</span><span style="color: #0000FF;">&</span><span style="color: #000000;">offset</span> <span style="color: #000080;font-style:italic;">-- jmp looptop (short)</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">0o351</span><span style="color: #0000FF;">&</span><span style="color: #7060A8;">int_to_bytes</span><span style="color: #0000FF;">(</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- jmp looptop (long)</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_lt</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_le</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_gt</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_ge</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_ne</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_eq</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">xrm</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">n_type</span><span style="color: #0000FF;">=</span><span style="color: #000000;">tk_ne</span> <span style="color: #008080;">then</span> <span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0o225</span> <span style="color: #000080;font-style:italic;">-- (#95)</span>
|
||||
<span style="color: #008080;">elsif</span> <span style="color: #000000;">n_type</span><span style="color: #0000FF;">=</span><span style="color: #000000;">tk_lt</span> <span style="color: #008080;">then</span> <span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0o234</span> <span style="color: #000080;font-style:italic;">-- (#9C)</span>
|
||||
<span style="color: #008080;">elsif</span> <span style="color: #000000;">n_type</span><span style="color: #0000FF;">=</span><span style="color: #000000;">tk_ge</span> <span style="color: #008080;">then</span> <span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0o235</span> <span style="color: #000080;font-style:italic;">-- (#9D)</span>
|
||||
<span style="color: #008080;">elsif</span> <span style="color: #000000;">n_type</span><span style="color: #0000FF;">=</span><span style="color: #000000;">tk_le</span> <span style="color: #008080;">then</span> <span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0o236</span> <span style="color: #000080;font-style:italic;">-- (#9E)</span>
|
||||
<span style="color: #008080;">elsif</span> <span style="color: #000000;">n_type</span><span style="color: #0000FF;">=</span><span style="color: #000000;">tk_gt</span> <span style="color: #008080;">then</span> <span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0o237</span> <span style="color: #000080;font-style:italic;">-- (#9F)</span>
|
||||
<span style="color: #008080;">else</span> <span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span> <span style="color: #000000;">0o061</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- xor eax,eax</span>
|
||||
<span style="color: #000000;">0o132</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop edx</span>
|
||||
<span style="color: #000000;">0o131</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop ecx</span>
|
||||
<span style="color: #000000;">0o071</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o321</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- cmp ecx,edx</span>
|
||||
<span style="color: #000000;">0o017</span><span style="color: #0000FF;">,</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- setcc al</span>
|
||||
<span style="color: #000000;">0o120</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push eax</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_or</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_and</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">n_type</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">tk_or</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: #000000;">tk_and</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #000000;">op</span> <span style="color: #0000FF;">*=</span> <span style="color: #000000;">0o010</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span> <span style="color: #000000;">0o130</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop eax</span>
|
||||
<span style="color: #000000;">0o131</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop ecx</span>
|
||||
<span style="color: #000000;">0o205</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- test eax,eax</span>
|
||||
<span style="color: #000000;">0o017</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o225</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- setne al</span>
|
||||
<span style="color: #000000;">0o205</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o311</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- test ecx,ecx</span>
|
||||
<span style="color: #000000;">0o017</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o225</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o301</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- setne cl</span>
|
||||
<span style="color: #000000;">op</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o310</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- or/and al,cl</span>
|
||||
<span style="color: #000000;">0o120</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push eax</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_add</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_sub</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">n_type</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">tk_add</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: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">tk_sub</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0o001</span> <span style="color: #0000FF;">+</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">op</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">0o010</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span> <span style="color: #000000;">0o130</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop eax</span>
|
||||
<span style="color: #000000;">op</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o004</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o044</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- add/or/and/sub [esp],eax</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_mul</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span> <span style="color: #000000;">0o131</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop ecx</span>
|
||||
<span style="color: #000000;">0o130</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop eax</span>
|
||||
<span style="color: #000000;">0o367</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o341</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- mul ecx</span>
|
||||
<span style="color: #000000;">0o120</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push eax</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_div</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_mod</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #7060A8;">push</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0o120</span><span style="color: #0000FF;">+(</span><span style="color: #000000;">n_type</span><span style="color: #0000FF;">=</span><span style="color: #000000;">tk_mod</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">2</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span> <span style="color: #000000;">0o131</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop ecx</span>
|
||||
<span style="color: #000000;">0o130</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop eax</span>
|
||||
<span style="color: #000000;">0o231</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- cdq (eax -> edx:eax)</span>
|
||||
<span style="color: #000000;">0o367</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o371</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- idiv ecx</span>
|
||||
<span style="color: #7060A8;">push</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push eax|edx</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Identifier</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">var_idx</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o377</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o065</span><span style="color: #0000FF;">,</span><span style="color: #000000;">chain</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">n</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push [n]</span>
|
||||
<span style="color: #000000;">chain</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)-</span><span style="color: #000000;">3</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_putc</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Printi</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_Prints</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">n_type</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">tk_putc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">tk_Printi</span><span style="color: #0000FF;">,</span><span style="color: #000000;">tk_Prints</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o350</span><span style="color: #0000FF;">,</span><span style="color: #000000;">chain</span><span style="color: #0000FF;">,</span><span style="color: #000000;">3</span><span style="color: #0000FF;">,</span><span style="color: #000000;">n</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- call :printc/i/s</span>
|
||||
<span style="color: #000000;">chain</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)-</span><span style="color: #000000;">3</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_String</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">string_idx</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o150</span><span style="color: #0000FF;">,</span><span style="color: #000000;">chain</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">n</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push RawStringPtr(string)</span>
|
||||
<span style="color: #000000;">chain</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)-</span><span style="color: #000000;">3</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_if</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000080;font-style:italic;">-- emit: <condition><mainjmp><truepart>[<elsejmp><falsepart>]</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o130</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop eax</span>
|
||||
<span style="color: #000000;">0o205</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- test eax,eax</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]!=</span><span style="color: #000000;">tk_if</span> <span style="color: #008080;">then</span> <span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">truesize</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">falsesize</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">gen_size</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">elsejmp</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">falsesize</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: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">falsesize</span><span style="color: #0000FF;">></span><span style="color: #000000;">127</span><span style="color: #0000FF;">?</span><span style="color: #000000;">5</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">))</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">truesize</span><span style="color: #0000FF;">+</span><span style="color: #000000;">elsejmp</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">mainjmp</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">></span><span style="color: #000000;">127</span><span style="color: #0000FF;">?</span><span style="color: #000000;">6</span><span style="color: #0000FF;">:</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">mainjmp</span><span style="color: #0000FF;">=</span><span style="color: #000000;">2</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o164</span><span style="color: #0000FF;">,</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- jz (short) else/end</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o017</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o204</span><span style="color: #0000FF;">}&</span><span style="color: #7060A8;">int_to_bytes</span><span style="color: #0000FF;">(</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- jz (long) else/end</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">falsesize</span><span style="color: #0000FF;">!=</span><span style="color: #000000;">0</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">falsesize</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">elsejmp</span><span style="color: #0000FF;">=</span><span style="color: #000000;">2</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">0o353</span><span style="color: #0000FF;">&</span><span style="color: #000000;">offset</span> <span style="color: #000080;font-style:italic;">-- jmp end if (short)</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">0o351</span><span style="color: #0000FF;">&</span><span style="color: #7060A8;">int_to_bytes</span><span style="color: #0000FF;">(</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- jmp end if (long)</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">3</span><span style="color: #0000FF;">][</span><span style="color: #000000;">3</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_not</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o132</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop edx</span>
|
||||
<span style="color: #000000;">0o061</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- xor eax,eax</span>
|
||||
<span style="color: #000000;">0o205</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o322</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- test edx,edx</span>
|
||||
<span style="color: #000000;">0o017</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o224</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- setz al</span>
|
||||
<span style="color: #000000;">0o120</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push eax</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">tk_neg</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">&=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0o130</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- pop eax</span>
|
||||
<span style="color: #000000;">0o367</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o330</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- neg eax</span>
|
||||
<span style="color: #000000;">0o120</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- push eax</span>
|
||||
<span style="color: #008080;">else</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">error</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"error in code generator - found %d, expecting operator\n"</span><span style="color: #0000FF;">,</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">n_type</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">switch</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">actsize</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">initsize</span><span style="color: #0000FF;">+</span><span style="color: #000000;">estsize</span><span style="color: #0000FF;">!=</span><span style="color: #000000;">actsize</span> <span style="color: #008080;">then</span> <span style="color: #0000FF;">?</span><span style="color: #008000;">"9/0"</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span> <span style="color: #000080;font-style:italic;">-- (test gen_size)</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
|
||||
|
||||
<span style="color: #008080;">global</span> <span style="color: #008080;">procedure</span> <span style="color: #000000;">code_gen</span><span style="color: #0000FF;">(</span><span style="color: #004080;">object</span> <span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000080;font-style:italic;">--
|
||||
-- Generates proper machine code.
|
||||
--
|
||||
-- Example: i=10; print "\n"; print i; print "\n"
|
||||
-- Result in vars, strings, chain, code (declared above)
|
||||
-- where vars is: {"i"},
|
||||
-- strings is {"\n"},
|
||||
-- code is { 0o150,#0A,#00,#00,#00, -- 1: push 10
|
||||
-- 0o217,0o005,0,1,1,0 -- 6: pop [i]
|
||||
-- 0o150,8,2,1,0, -- 12: push ("\n")
|
||||
-- 0o350,13,3,3,0, -- 17: call :prints
|
||||
-- 0o377,0o065,18,1,1,0, -- 22: push [i]
|
||||
-- 0o350,24,3,2,0, -- 28: call :printi
|
||||
-- 0o150,29,2,1,0, -- 33: push ("\n")
|
||||
-- 0o350,34,3,3,0, -- 38: call :prints
|
||||
-- 0o303} -- 43: ret
|
||||
-- and chain is 39 (->34->29->24->18->13->8->0)
|
||||
-- The chain connects all places where we need an actual address before
|
||||
-- the code is executed, with the byte after the link differentiating
|
||||
-- between var(1), string(2), and builtin(3), and the byte after that
|
||||
-- determining the instance of the given type - not that any of them
|
||||
-- are actually limited to a byte in the above intermediate form, and
|
||||
-- of course the trailing 0 of each {link,type,id,0} is just there to
|
||||
-- reserve the space we will need.
|
||||
--</span>
|
||||
<span style="color: #000000;">gen_rec</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">code</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o303</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- ret (0o303=#C3)</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
|
||||
|
||||
<span style="color: #008080;">include</span> <span style="color: #000000;">builtins</span><span style="color: #0000FF;">/</span><span style="color: #000000;">VM</span><span style="color: #0000FF;">/</span><span style="color: #000000;">puts1</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span> <span style="color: #000080;font-style:italic;">-- low-level console i/o routines</span>
|
||||
|
||||
<span style="color: #008080;">function</span> <span style="color: #000000;">setbuiltins</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #004080;">atom</span> <span style="color: #000000;">printc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">printi</span><span style="color: #0000FF;">,</span><span style="color: #000000;">prints</span>
|
||||
#ilASM{
|
||||
jmp :setbuiltins
|
||||
::printc
|
||||
lea edi,[esp+4]
|
||||
mov esi,1
|
||||
call :%puts1ediesi -- (edi=raw text, esi=length)
|
||||
ret 4
|
||||
::printi
|
||||
mov eax,[esp+4]
|
||||
push 0 -- no cr
|
||||
call :%putsint -- (nb limited to +/-9,999,999,999)
|
||||
ret 4
|
||||
::prints
|
||||
mov edi,[esp+4]
|
||||
mov esi,[edi-12]
|
||||
call :%puts1ediesi -- (edi=raw text, esi=length)
|
||||
ret 4
|
||||
::setbuiltins
|
||||
mov eax,:printc
|
||||
lea edi,[printc]
|
||||
call :%pStoreMint
|
||||
mov eax,:printi
|
||||
lea edi,[printi]
|
||||
call :%pStoreMint
|
||||
mov eax,:prints
|
||||
lea edi,[prints]
|
||||
call :%pStoreMint
|
||||
}
|
||||
<span style="color: #008080;">return</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">printc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">printi</span><span style="color: #0000FF;">,</span><span style="color: #000000;">prints</span><span style="color: #0000FF;">}</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
|
||||
|
||||
<span style="color: #008080;">global</span> <span style="color: #008080;">constant</span> <span style="color: #000000;">builtin_names</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"printc"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"printi"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"prints"</span><span style="color: #0000FF;">}</span>
|
||||
<span style="color: #008080;">global</span> <span style="color: #008080;">constant</span> <span style="color: #000000;">builtins</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">setbuiltins</span><span style="color: #0000FF;">()</span>
|
||||
|
||||
<span style="color: #008080;">global</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">var_mem</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">code_mem</span>
|
||||
|
||||
<span style="color: #008080;">function</span> <span style="color: #000000;">RawStringPtr</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- (based on IupRawStringPtr from pGUI.e)
|
||||
--
|
||||
-- Returns a raw string pointer for s, somewhat like allocate_string(s), but using the existing memory.
|
||||
-- NOTE: The return is only valid as long as the value passed as the parameter remains in existence.
|
||||
--</span>
|
||||
<span style="color: #004080;">atom</span> <span style="color: #000000;">res</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">s</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">strings</span><span style="color: #0000FF;">[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]</span>
|
||||
#ilASM{
|
||||
mov eax,[s]
|
||||
lea edi,[res]
|
||||
shl eax,2
|
||||
call :%pStoreMint
|
||||
}
|
||||
<span style="color: #000000;">stringptrs</span><span style="color: #0000FF;">[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">res</span>
|
||||
<span style="color: #008080;">return</span> <span style="color: #000000;">res</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
|
||||
|
||||
<span style="color: #008080;">global</span> <span style="color: #008080;">procedure</span> <span style="color: #000000;">fixup</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #000000;">var_mem</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">allocate</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vars</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">4</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #7060A8;">mem_set</span><span style="color: #0000FF;">(</span><span style="color: #000000;">var_mem</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vars</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">4</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">code_mem</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">allocate</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">))</span>
|
||||
<span style="color: #7060A8;">poke</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">,</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">while</span> <span style="color: #000000;">chain</span><span style="color: #0000FF;">!=</span><span style="color: #000000;">0</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #7060A8;">this</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">chain</span>
|
||||
<span style="color: #000000;">chain</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">code</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">this</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">ftype</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">code</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">this</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">id</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">code</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">this</span><span style="color: #0000FF;">+</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #008080;">switch</span> <span style="color: #000000;">ftype</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">1</span><span style="color: #0000FF;">:</span> <span style="color: #000080;font-style:italic;">-- vars</span>
|
||||
<span style="color: #7060A8;">poke4</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #7060A8;">this</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">var_mem</span><span style="color: #0000FF;">+(</span><span style="color: #000000;">id</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)*</span><span style="color: #000000;">4</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">2</span><span style="color: #0000FF;">:</span> <span style="color: #000080;font-style:italic;">-- strings</span>
|
||||
<span style="color: #7060A8;">poke4</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #7060A8;">this</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">RawStringPtr</span><span style="color: #0000FF;">(</span><span style="color: #000000;">id</span><span style="color: #0000FF;">))</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">3</span><span style="color: #0000FF;">:</span> <span style="color: #000080;font-style:italic;">-- builtins</span>
|
||||
<span style="color: #7060A8;">poke4</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #7060A8;">this</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">builtins</span><span style="color: #0000FF;">[</span><span style="color: #000000;">id</span><span style="color: #0000FF;">]-(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #7060A8;">this</span><span style="color: #0000FF;">+</span><span style="color: #000000;">3</span><span style="color: #0000FF;">))</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">switch</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">while</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
|
||||
<!--
|
||||
197
Task/Compiler-code-generator/Phix/compiler-code-generator-2.phix
Normal file
197
Task/Compiler-code-generator/Phix/compiler-code-generator-2.phix
Normal file
|
|
@ -0,0 +1,197 @@
|
|||
(notonline)-->
|
||||
<span style="color: #000080;font-style:italic;">--
|
||||
-- demo\rosetta\Compiler\cgen.exw
|
||||
-- ==============================
|
||||
--
|
||||
-- Generates 32-bit machine code (see note in vm.exw)
|
||||
--</span>
|
||||
<span style="color: #008080;">without</span> <span style="color: #008080;">js</span> <span style="color: #000080;font-style:italic;">-- (machine code!)</span>
|
||||
<span style="color: #008080;">include</span> <span style="color: #000000;">cgen</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
|
||||
|
||||
<span style="color: #008080;">function</span> <span style="color: #000000;">get_var_name</span><span style="color: #0000FF;">(</span><span style="color: #004080;">atom</span> <span style="color: #000000;">addr</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">addr</span><span style="color: #0000FF;">-</span><span style="color: #000000;">var_mem</span><span style="color: #0000FF;">)/</span><span style="color: #000000;">4</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">n</span><span style="color: #0000FF;"><</span><span style="color: #000000;">1</span> <span style="color: #008080;">or</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">></span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vars</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span> <span style="color: #0000FF;">?</span><span style="color: #000000;">9</span><span style="color: #0000FF;">/</span><span style="color: #000000;">0</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">return</span> <span style="color: #000000;">vars</span><span style="color: #0000FF;">[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
|
||||
|
||||
<span style="color: #008080;">function</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">object</span> <span style="color: #000000;">oh</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">string</span> <span style="color: #000000;">fmt</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">sequence</span> <span style="color: #000000;">args</span><span style="color: #0000FF;">={})</span>
|
||||
<span style="color: #000080;font-style:italic;">-- helper routine to display the octal/hex bytes just decoded,
|
||||
-- along with the code offset and the human-readable text.</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">args</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span> <span style="color: #000000;">fmt</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">fmt</span><span style="color: #0000FF;">,</span><span style="color: #000000;">args</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #004080;">sequence</span> <span style="color: #000000;">octhex</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{}</span>
|
||||
<span style="color: #004080;">atom</span> <span style="color: #000000;">base</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">len</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #004080;">integer</span><span style="color: #0000FF;">(</span><span style="color: #000000;">oh</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span> <span style="color: #000080;font-style:italic;">-- all octal</span>
|
||||
<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: #000000;">oh</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #000000;">octhex</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">octhex</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"0o%03o"</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">base</span><span style="color: #0000FF;">)))</span>
|
||||
<span style="color: #000000;">base</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
|
||||
<span style="color: #000000;">len</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">oh</span>
|
||||
<span style="color: #008080;">else</span> <span style="color: #000080;font-style:italic;">-- some octal and some hex</span>
|
||||
<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;">oh</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">by</span> <span style="color: #000000;">2</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #008080;">for</span> <span style="color: #000000;">j</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #000000;">oh</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #000000;">octhex</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">octhex</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"0o%03o"</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">base</span><span style="color: #0000FF;">)))</span>
|
||||
<span style="color: #000000;">base</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
|
||||
<span style="color: #000000;">len</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">oh</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #008080;">for</span> <span style="color: #000000;">j</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #000000;">oh</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #000000;">octhex</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">octhex</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"#%02x"</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">base</span><span style="color: #0000FF;">)))</span>
|
||||
<span style="color: #000000;">base</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
|
||||
<span style="color: #000000;">len</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">oh</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<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;">"%4d: %-30s %s\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">join</span><span style="color: #0000FF;">(</span><span style="color: #000000;">octhex</span><span style="color: #0000FF;">,</span><span style="color: #008000;">","</span><span style="color: #0000FF;">),</span><span style="color: #000000;">fmt</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">return</span> <span style="color: #000000;">len</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
|
||||
|
||||
<span style="color: #008080;">constant</span> <span style="color: #000000;">cccodes</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"o?"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"no?"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"b?"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"ae?"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"z"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"ne"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"be?"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"a?"</span><span style="color: #0000FF;">,</span>
|
||||
<span style="color: #000080;font-style:italic;">-- 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 ,</span>
|
||||
<span style="color: #008000;">"s?"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"ns?"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"pe?"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"po?"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"l"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"ge"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"le"</span> <span style="color: #0000FF;">,</span><span style="color: #008000;">"g"</span> <span style="color: #0000FF;">}</span>
|
||||
<span style="color: #000080;font-style:italic;">-- 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15</span>
|
||||
|
||||
<span style="color: #008080;">constant</span> <span style="color: #000000;">regs</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"eax"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"ecx"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"edx"</span><span style="color: #0000FF;">}</span> <span style="color: #000080;font-style:italic;">-- (others as/when needed)</span>
|
||||
|
||||
<span style="color: #008080;">procedure</span> <span style="color: #000000;">decode</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #000080;font-style:italic;">-- for a much more complete (and better organised) disassembler, see p2asm.e</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">pc</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000080;font-style:italic;">-- nb 0-based</span>
|
||||
<span style="color: #000000;">opcode</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xrm</span>
|
||||
|
||||
<span style="color: #008080;">while</span> <span style="color: #000000;">pc</span><span style="color: #0000FF;"><</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #000000;">opcode</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">-</span><span style="color: #000000;">1</span>
|
||||
<span style="color: #008080;">switch</span> <span style="color: #000000;">opcode</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o150</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">atom</span> <span style="color: #000000;">vaddr</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek4s</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vaddr</span><span style="color: #0000FF;">,</span><span style="color: #000000;">stringptrs</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #004080;">object</span> <span style="color: #000000;">arg</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">n</span><span style="color: #0000FF;">?</span><span style="color: #000000;">enquote</span><span style="color: #0000FF;">(</span><span style="color: #000000;">strings</span><span style="color: #0000FF;">[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">])</span>
|
||||
<span style="color: #0000FF;">:</span><span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"%d"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">vaddr</span><span style="color: #0000FF;">))</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">4</span><span style="color: #0000FF;">},</span><span style="color: #008000;">"push %s"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">arg</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o217</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o377</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">0o217</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o377</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"pop"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"push"</span><span style="color: #0000FF;">}[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">!=</span><span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">0o005</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o065</span><span style="color: #0000FF;">})</span> <span style="color: #008080;">then</span> <span style="color: #008080;">exit</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #004080;">atom</span> <span style="color: #000000;">addr</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek4u</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">4</span><span style="color: #0000FF;">},</span><span style="color: #008000;">"%s [%s]"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">op</span><span style="color: #0000FF;">,</span><span style="color: #000000;">get_var_name</span><span style="color: #0000FF;">(</span><span style="color: #000000;">addr</span><span style="color: #0000FF;">)})</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o061</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o071</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o205</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">0o061</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o071</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o205</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"xor"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"cmp"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"test"</span><span style="color: #0000FF;">}[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">)!=</span><span style="color: #000000;">0o300</span> <span style="color: #008080;">then</span> <span style="color: #008080;">exit</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">r1</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">regs</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o070</span><span style="color: #0000FF;">)/</span><span style="color: #000000;">0o010</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">r2</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">regs</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o007</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%s %s,%s"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">op</span><span style="color: #0000FF;">,</span><span style="color: #000000;">r1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">r2</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o017</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">switch</span> <span style="color: #000000;">xrm</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o224</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o225</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o234</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o235</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o236</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o237</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">cc</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">cccodes</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o017</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">xrm</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0o300</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">3</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"set%s al"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">cc</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">elsif</span> <span style="color: #000000;">xrm</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0o301</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">3</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"set%s cl"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">cc</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #008080;">exit</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o204</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek4s</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">4</span><span style="color: #0000FF;">},</span><span style="color: #008000;">"jz %d"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">6</span><span style="color: #0000FF;">+</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #008080;">exit</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">switch</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o010</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o040</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">xrm</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0o310</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">lop</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"or"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"and"</span><span style="color: #0000FF;">}[</span><span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">0o010</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o040</span><span style="color: #0000FF;">})]</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%s al,cl"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">lop</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #008080;">exit</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o120</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o122</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o130</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o131</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o132</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"push"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"pop"</span><span style="color: #0000FF;">}[</span><span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o070</span><span style="color: #0000FF;">),{</span><span style="color: #000000;">0o020</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o030</span><span style="color: #0000FF;">})]</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">reg</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">regs</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o007</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%s %s"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">op</span><span style="color: #0000FF;">,</span><span style="color: #000000;">reg</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o231</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"cdq"</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o164</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o353</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">jop</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0o164</span><span style="color: #0000FF;">?</span><span style="color: #008000;">"jz"</span><span style="color: #0000FF;">:</span><span style="color: #008000;">"jmp"</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">peek1s</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">},</span><span style="color: #008000;">"%s %d"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">jop</span><span style="color: #0000FF;">,</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">2</span><span style="color: #0000FF;">+</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o351</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek4s</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">4</span><span style="color: #0000FF;">},</span><span style="color: #008000;">"jmp %d"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">5</span><span style="color: #0000FF;">+</span><span style="color: #000000;">offset</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o303</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"ret"</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o350</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">offset</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek4s</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #004080;">atom</span> <span style="color: #000000;">addr</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">offset</span><span style="color: #0000FF;">+</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">5</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">addr</span><span style="color: #0000FF;">,</span><span style="color: #000000;">builtins</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">4</span><span style="color: #0000FF;">},</span><span style="color: #008000;">"call :%s"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">builtin_names</span><span style="color: #0000FF;">[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]})</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o001</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o041</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o051</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">0o001</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o041</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o051</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"add"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"and"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"sub"</span><span style="color: #0000FF;">}[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">switch</span> <span style="color: #000000;">xrm</span> <span style="color: #008080;">do</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o004</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)=</span><span style="color: #000000;">0o044</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">3</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%s [esp],eax"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">op</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #008080;">exit</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #008080;">exit</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">switch</span>
|
||||
<span style="color: #008080;">case</span> <span style="color: #000000;">0o367</span><span style="color: #0000FF;">:</span>
|
||||
<span style="color: #000000;">xrm</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">peek</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">+</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o300</span><span style="color: #0000FF;">)!=</span><span style="color: #000000;">0o300</span> <span style="color: #008080;">then</span> <span style="color: #008080;">exit</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #004080;">integer</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o070</span><span style="color: #0000FF;">),{</span><span style="color: #000000;">0o030</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o040</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o070</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span> <span style="color: #008080;">then</span> <span style="color: #008080;">exit</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">op</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"neg"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"mul"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"idiv"</span><span style="color: #0000FF;">}[</span><span style="color: #000000;">n</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #004080;">string</span> <span style="color: #000000;">reg</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">regs</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">and_bits</span><span style="color: #0000FF;">(</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">,</span><span style="color: #000000;">0o007</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
|
||||
<span style="color: #000000;">pc</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">hxl</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%s %s"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">op</span><span style="color: #0000FF;">,</span><span style="color: #000000;">reg</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #008080;">exit</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">switch</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">while</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">pc</span><span style="color: #0000FF;"><</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">code</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #0000FF;">?</span><span style="color: #008000;">"incomplete:"</span>
|
||||
<span style="color: #008080;">if</span> <span style="color: #000000;">xrm</span><span style="color: #0000FF;">=-</span><span style="color: #000000;">1</span> <span style="color: #008080;">then</span>
|
||||
<span style="color: #0000FF;">?{</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"0o%03o"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">)}</span>
|
||||
<span style="color: #008080;">else</span>
|
||||
<span style="color: #0000FF;">?{</span><span style="color: #000000;">pc</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"0o%03o 0o%03o"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">opcode</span><span style="color: #0000FF;">,</span><span style="color: #000000;">xrm</span><span style="color: #0000FF;">})}</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
|
||||
|
||||
<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>
|
||||
<span style="color: #000000;">open_files</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cl</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">toks</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">lex</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #004080;">object</span> <span style="color: #000000;">t</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">parse</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #000000;">code_gen</span><span style="color: #0000FF;">(</span><span style="color: #000000;">t</span><span style="color: #0000FF;">)</span>
|
||||
<span style="color: #000000;">fixup</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #000000;">decode</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #7060A8;">free</span><span style="color: #0000FF;">({</span><span style="color: #000000;">var_mem</span><span style="color: #0000FF;">,</span><span style="color: #000000;">code_mem</span><span style="color: #0000FF;">})</span>
|
||||
<span style="color: #000000;">close_files</span><span style="color: #0000FF;">()</span>
|
||||
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
|
||||
|
||||
<span style="color: #000080;font-style:italic;">--main(command_line())</span>
|
||||
<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;">"gcd.c"</span><span style="color: #0000FF;">})</span>
|
||||
<!--
|
||||
Loading…
Add table
Add a link
Reference in a new issue