<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>nativeGen/PprBase.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-2"></a><span class='hs-comment'>--</span> <a name="line-3"></a><span class='hs-comment'>-- Pretty-printing assembly language</span> <a name="line-4"></a><span class='hs-comment'>--</span> <a name="line-5"></a><span class='hs-comment'>-- (c) The University of Glasgow 1993-2005</span> <a name="line-6"></a><span class='hs-comment'>--</span> <a name="line-7"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-8"></a> <a name="line-9"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>PprBase</span> <span class='hs-layout'>(</span> <a name="line-10"></a> <span class='hs-varid'>asmSDoc</span><span class='hs-layout'>,</span> <a name="line-11"></a> <span class='hs-varid'>pprCLabel_asm</span><span class='hs-layout'>,</span> <a name="line-12"></a> <span class='hs-varid'>castFloatToWord8Array</span><span class='hs-layout'>,</span> <a name="line-13"></a> <span class='hs-varid'>castDoubleToWord8Array</span><span class='hs-layout'>,</span> <a name="line-14"></a> <span class='hs-varid'>floatToBytes</span><span class='hs-layout'>,</span> <a name="line-15"></a> <span class='hs-varid'>doubleToBytes</span> <a name="line-16"></a><span class='hs-layout'>)</span> <a name="line-17"></a> <a name="line-18"></a><span class='hs-keyword'>where</span> <a name="line-19"></a> <a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Outputable</span> <a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>CLabel</span> <a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Pretty</span> <a name="line-23"></a> <a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <a name="line-26"></a> <a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <a name="line-28"></a> <a name="line-29"></a> <a name="line-30"></a> <a name="line-31"></a><a name="asmSDoc"></a><span class='hs-definition'>asmSDoc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Outputable</span><span class='hs-varop'>.</span><span class='hs-conid'>SDoc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span> <a name="line-32"></a><span class='hs-definition'>asmSDoc</span> <span class='hs-varid'>d</span> <a name="line-33"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Outputable</span><span class='hs-varop'>.</span><span class='hs-varid'>withPprStyleDoc</span> <span class='hs-layout'>(</span><span class='hs-conid'>Outputable</span><span class='hs-varop'>.</span><span class='hs-varid'>mkCodeStyle</span> <span class='hs-conid'>Outputable</span><span class='hs-varop'>.</span><span class='hs-conid'>AsmStyle</span><span class='hs-layout'>)</span> <span class='hs-varid'>d</span> <a name="line-34"></a> <a name="line-35"></a> <a name="line-36"></a><a name="pprCLabel_asm"></a><span class='hs-definition'>pprCLabel_asm</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CLabel</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span> <a name="line-37"></a><span class='hs-definition'>pprCLabel_asm</span> <span class='hs-varid'>l</span> <a name="line-38"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>asmSDoc</span> <span class='hs-layout'>(</span><span class='hs-varid'>pprCLabel</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <a name="line-39"></a> <a name="line-40"></a> <a name="line-41"></a><span class='hs-comment'>-- -----------------------------------------------------------------------------</span> <a name="line-42"></a><span class='hs-comment'>-- Converting floating-point literals to integrals for printing</span> <a name="line-43"></a> <a name="line-44"></a><a name="castFloatToWord8Array"></a><span class='hs-definition'>castFloatToWord8Array</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>STUArray</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Float</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>STUArray</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <a name="line-45"></a><span class='hs-definition'>castFloatToWord8Array</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>castSTUArray</span> <a name="line-46"></a> <a name="line-47"></a><a name="castDoubleToWord8Array"></a><span class='hs-definition'>castDoubleToWord8Array</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>STUArray</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Double</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>STUArray</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <a name="line-48"></a><span class='hs-definition'>castDoubleToWord8Array</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>castSTUArray</span> <a name="line-49"></a> <a name="line-50"></a><span class='hs-comment'>-- floatToBytes and doubleToBytes convert to the host's byte</span> <a name="line-51"></a><span class='hs-comment'>-- order. Providing that we're not cross-compiling for a </span> <a name="line-52"></a><span class='hs-comment'>-- target with the opposite endianness, this should work ok</span> <a name="line-53"></a><span class='hs-comment'>-- on all targets.</span> <a name="line-54"></a> <a name="line-55"></a><span class='hs-comment'>-- ToDo: this stuff is very similar to the shenanigans in PprAbs,</span> <a name="line-56"></a><span class='hs-comment'>-- could they be merged?</span> <a name="line-57"></a> <a name="line-58"></a><a name="floatToBytes"></a><span class='hs-definition'>floatToBytes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Float</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span> <a name="line-59"></a><span class='hs-definition'>floatToBytes</span> <span class='hs-varid'>f</span> <a name="line-60"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runST</span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <a name="line-61"></a> <span class='hs-varid'>arr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newArray_</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-num'>3</span><span class='hs-layout'>)</span> <a name="line-62"></a> <span class='hs-varid'>writeArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>0</span> <span class='hs-varid'>f</span> <a name="line-63"></a> <span class='hs-varid'>arr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>castFloatToWord8Array</span> <span class='hs-varid'>arr</span> <a name="line-64"></a> <span class='hs-varid'>i0</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>0</span> <a name="line-65"></a> <span class='hs-varid'>i1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>1</span> <a name="line-66"></a> <span class='hs-varid'>i2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>2</span> <a name="line-67"></a> <span class='hs-varid'>i3</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>3</span> <a name="line-68"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>i0</span><span class='hs-layout'>,</span><span class='hs-varid'>i1</span><span class='hs-layout'>,</span><span class='hs-varid'>i2</span><span class='hs-layout'>,</span><span class='hs-varid'>i3</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <a name="line-69"></a> <span class='hs-layout'>)</span> <a name="line-70"></a> <a name="line-71"></a><a name="doubleToBytes"></a><span class='hs-definition'>doubleToBytes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Double</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span> <a name="line-72"></a><span class='hs-definition'>doubleToBytes</span> <span class='hs-varid'>d</span> <a name="line-73"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runST</span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <a name="line-74"></a> <span class='hs-varid'>arr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newArray_</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-num'>7</span><span class='hs-layout'>)</span> <a name="line-75"></a> <span class='hs-varid'>writeArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>0</span> <span class='hs-varid'>d</span> <a name="line-76"></a> <span class='hs-varid'>arr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>castDoubleToWord8Array</span> <span class='hs-varid'>arr</span> <a name="line-77"></a> <span class='hs-varid'>i0</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>0</span> <a name="line-78"></a> <span class='hs-varid'>i1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>1</span> <a name="line-79"></a> <span class='hs-varid'>i2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>2</span> <a name="line-80"></a> <span class='hs-varid'>i3</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>3</span> <a name="line-81"></a> <span class='hs-varid'>i4</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>4</span> <a name="line-82"></a> <span class='hs-varid'>i5</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>5</span> <a name="line-83"></a> <span class='hs-varid'>i6</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>6</span> <a name="line-84"></a> <span class='hs-varid'>i7</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readArray</span> <span class='hs-varid'>arr</span> <span class='hs-num'>7</span> <a name="line-85"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>i0</span><span class='hs-layout'>,</span><span class='hs-varid'>i1</span><span class='hs-layout'>,</span><span class='hs-varid'>i2</span><span class='hs-layout'>,</span><span class='hs-varid'>i3</span><span class='hs-layout'>,</span><span class='hs-varid'>i4</span><span class='hs-layout'>,</span><span class='hs-varid'>i5</span><span class='hs-layout'>,</span><span class='hs-varid'>i6</span><span class='hs-layout'>,</span><span class='hs-varid'>i7</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <a name="line-86"></a> <span class='hs-layout'>)</span> </pre></body> </html>
