2019-09-02 22:36:08 +00:00
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< meta http-equiv = "content-type" content = "text/html; charset=UTF-8" >
< title > Mu - apps/calls.subx< / title >
< meta name = "Generator" content = "Vim/8.1" >
< meta name = "plugin-version" content = "vim8.1_v1" >
< meta name = "syntax" content = "none" >
< meta name = "settings" content = "number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy=" >
< meta name = "colorscheme" content = "minimal-light" >
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a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Constant { color: #008787; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
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< script type = 'text/javascript' >
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< a href = 'https://github.com/akkartik/mu/blob/master/apps/calls.subx' > https://github.com/akkartik/mu/blob/master/apps/calls.subx< / a >
< pre id = 'vimCodeElement' >
< span id = "L1" class = "LineNr" > 1 < / span > < span class = "subxComment" > # Function calls in a single line.< / span >
< span id = "L2" class = "LineNr" > 2 < / span > < span class = "subxComment" > #< / span >
< span id = "L3" class = "LineNr" > 3 < / span > < span class = "subxComment" > # To run (on Linux):< / span >
< span id = "L4" class = "LineNr" > 4 < / span > < span class = "subxComment" > # $ ./ntranslate 0*.subx apps/subx-common.subx apps/calls.subx< / span >
< span id = "L5" class = "LineNr" > 5 < / span > < span class = "subxComment" > # $ mv a.elf apps/calls< / span >
< span id = "L6" class = "LineNr" > 6 < / span > < span class = "subxComment" > # $ chmod +x apps/calls< / span >
< span id = "L7" class = "LineNr" > 7 < / span > < span class = "subxComment" > #< / span >
< span id = "L8" class = "LineNr" > 8 < / span > < span class = "subxComment" > # Example 1:< / span >
< span id = "L9" class = "LineNr" > 9 < / span > < span class = "subxComment" > # $ echo '(foo %eax)' | apps/calls< / span >
< span id = "L10" class = "LineNr" > 10 < / span > < span class = "subxComment" > # # . (foo %eax) # output has comments< / span >
< span id = "L11" class = "LineNr" > 11 < / span > < span class = "subxComment" > # ff 6/subop/push %eax # push< / span >
< span id = "L12" class = "LineNr" > 12 < / span > < span class = "subxComment" > # e8/call foo/disp32 # call< / span >
< span id = "L13" class = "LineNr" > 13 < / span > < span class = "subxComment" > # 81 0/subop/add %esp 4/imm32 # undo push< / span >
< span id = "L14" class = "LineNr" > 14 < / span > < span class = "subxComment" > #< / span >
< span id = "L15" class = "LineNr" > 15 < / span > < span class = "subxComment" > # Example 2:< / span >
< span id = "L16" class = "LineNr" > 16 < / span > < span class = "subxComment" > # $ echo '(foo Var1 *(eax + 4) " blah" )' | apps/calls< / span >
< span id = "L17" class = "LineNr" > 17 < / span > < span class = "subxComment" > # # . (foo Var1 *(eax + 4) " blah" )< / span >
< span id = "L18" class = "LineNr" > 18 < / span > < span class = "subxComment" > # 68/push " blah" /imm32< / span >
< span id = "L19" class = "LineNr" > 19 < / span > < span class = "subxComment" > # ff 6/subop/push *(eax + 4) # push args in..< / span >
< span id = "L20" class = "LineNr" > 20 < / span > < span class = "subxComment" > # 68/push Var1/imm32 # ..reverse order< / span >
< span id = "L21" class = "LineNr" > 21 < / span > < span class = "subxComment" > # e8/call foo/disp32< / span >
< span id = "L22" class = "LineNr" > 22 < / span > < span class = "subxComment" > # 81 0/subop/add %esp 4/imm32 # undo pushes< / span >
< span id = "L23" class = "LineNr" > 23 < / span > < span class = "subxComment" > #< / span >
< span id = "L24" class = "LineNr" > 24 < / span > < span class = "subxComment" > # Calls always begin with '(' as the first non-whitespace on a line.< / span >
< span id = "L25" class = "LineNr" > 25 < / span >
< span id = "L26" class = "LineNr" > 26 < / span > == code
< span id = "L27" class = "LineNr" > 27 < / span >
< span id = "L28" class = "LineNr" > 28 < / span > < span class = "SpecialChar" > Entry< / span > : < span class = "subxComment" > # run tests if necessary, convert stdin if not< / span >
< span id = "L29" class = "LineNr" > 29 < / span > < span class = "subxS1Comment" > # . prolog< / span >
< span id = "L30" class = "LineNr" > 30 < / span > 89/< - %ebp 4/r32/esp
< span id = "L31" class = "LineNr" > 31 < / span >
< span id = "L32" class = "LineNr" > 32 < / span > < span class = "subxComment" > # initialize heap< / span >
< span id = "L33" class = "LineNr" > 33 < / span > < span class = "subxS1Comment" > # . Heap = new-segment(Heap-size)< / span >
< span id = "L34" class = "LineNr" > 34 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L35" class = "LineNr" > 35 < / span > 68/push < span class = "SpecialChar" > < a href = '../075array-equal.subx.html#L623' > Heap< / a > < / span > /imm32
< span id = "L36" class = "LineNr" > 36 < / span > ff 6/subop/push *< span class = "SpecialChar" > Heap-size< / span >
< span id = "L37" class = "LineNr" > 37 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L38" class = "LineNr" > 38 < / span > e8/call < a href = '../053new-segment.subx.html#L41' > new-segment< / a > /disp32
< span id = "L39" class = "LineNr" > 39 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L40" class = "LineNr" > 40 < / span > 81 0/subop/add %esp 8/imm32
< span id = "L41" class = "LineNr" > 41 < / span >
< span id = "L42" class = "LineNr" > 42 < / span > < span class = "subxH1Comment" > # - if argc > 1 and argv[1] == " test" , then return run_tests()< / span >
< span id = "L43" class = "LineNr" > 43 < / span > < span class = "subxComment" > # if (argc < = 1) goto run-main< / span >
< span id = "L44" class = "LineNr" > 44 < / span > 81 7/subop/compare *ebp 1/imm32
< span id = "L45" class = "LineNr" > 45 < / span > 7e/jump-if-lesser-or-equal $run-main/disp8
< span id = "L46" class = "LineNr" > 46 < / span > < span class = "subxComment" > # if (!kernel-string-equal?(argv[1], " test" )) goto run-main< / span >
< span id = "L47" class = "LineNr" > 47 < / span > < span class = "subxS1Comment" > # . eax = kernel-string-equal?(argv[1], " test" )< / span >
< span id = "L48" class = "LineNr" > 48 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L49" class = "LineNr" > 49 < / span > 68/push < span class = "Constant" > " test" < / span > /imm32
< span id = "L50" class = "LineNr" > 50 < / span > ff 6/subop/push *(ebp+8)
< span id = "L51" class = "LineNr" > 51 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L52" class = "LineNr" > 52 < / span > e8/call < a href = '../052kernel-string-equal.subx.html#L31' > kernel-string-equal?< / a > /disp32
< span id = "L53" class = "LineNr" > 53 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L54" class = "LineNr" > 54 < / span > 81 0/subop/add %esp 8/imm32
< span id = "L55" class = "LineNr" > 55 < / span > < span class = "subxS1Comment" > # . if (eax == 0) goto run-main< / span >
< span id = "L56" class = "LineNr" > 56 < / span > 3d/compare-eax-and 0/imm32
< span id = "L57" class = "LineNr" > 57 < / span > 74/jump-if-equal $run-main/disp8
< span id = "L58" class = "LineNr" > 58 < / span > < span class = "subxComment" > # run-tests()< / span >
< span id = "L59" class = "LineNr" > 59 < / span > e8/call run-tests/disp32
< span id = "L60" class = "LineNr" > 60 < / span > < span class = "subxComment" > # syscall(exit, *Num-test-failures)< / span >
< span id = "L61" class = "LineNr" > 61 < / span > 8b/-> *< span class = "SpecialChar" > < a href = '../051test.subx.html#L90' > Num-test-failures< / a > < / span > 3/r32/ebx
< span id = "L62" class = "LineNr" > 62 < / span > eb/jump $main:end/disp8
< span id = "L63" class = "LineNr" > 63 < / span > < span class = "Constant" > $run-main< / span > :
< span id = "L64" class = "LineNr" > 64 < / span > < span class = "subxH1Comment" > # - otherwise convert stdin< / span >
< span id = "L65" class = "LineNr" > 65 < / span > < span class = "subxComment" > # convert(Stdin, Stdout)< / span >
< span id = "L66" class = "LineNr" > 66 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L67" class = "LineNr" > 67 < / span > 68/push < span class = "SpecialChar" > < a href = '../064write-byte.subx.html#L10' > Stdout< / a > < / span > /imm32
< span id = "L68" class = "LineNr" > 68 < / span > 68/push < span class = "SpecialChar" > < a href = '../061read-byte.subx.html#L14' > Stdin< / a > < / span > /imm32
< span id = "L69" class = "LineNr" > 69 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L70" class = "LineNr" > 70 < / span > e8/call < a href = 'calls.subx.html#L79' > convert< / a > /disp32
< span id = "L71" class = "LineNr" > 71 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L72" class = "LineNr" > 72 < / span > 81 0/subop/add %esp 8/imm32
< span id = "L73" class = "LineNr" > 73 < / span > < span class = "subxComment" > # syscall(exit, 0)< / span >
< span id = "L74" class = "LineNr" > 74 < / span > bb/copy-to-ebx 0/imm32
< span id = "L75" class = "LineNr" > 75 < / span > < span class = "Constant" > $main:end< / span > :
< span id = "L76" class = "LineNr" > 76 < / span > b8/copy-to-eax 1/imm32/exit
< span id = "L77" class = "LineNr" > 77 < / span > cd/syscall 0x80/imm8
< span id = "L78" class = "LineNr" > 78 < / span >
< span id = "L79" class = "LineNr" > 79 < / span > < span class = "subxFunction" > convert< / span > : < span class = "subxComment" > # in : (address buffered-file), out : (address buffered-file) -> < void> < / span >
< span id = "L80" class = "LineNr" > 80 < / span > < span class = "subxComment" > # pseudocode:< / span >
< span id = "L81" class = "LineNr" > 81 < / span > < span class = "subxComment" > # var line = new-stream(512, 1)< / span >
< span id = "L82" class = "LineNr" > 82 < / span > < span class = "subxComment" > # var words : (address stream slice) = new-stream(16, 8) # at most function name and 15 args< / span >
< span id = "L83" class = "LineNr" > 83 < / span > < span class = "subxComment" > # while true< / span >
< span id = "L84" class = "LineNr" > 84 < / span > < span class = "subxComment" > # clear-stream(line)< / span >
< span id = "L85" class = "LineNr" > 85 < / span > < span class = "subxComment" > # read-line-buffered(in, line)< / span >
< span id = "L86" class = "LineNr" > 86 < / span > < span class = "subxComment" > # if (line-> write == 0) break # end of file< / span >
< span id = "L87" class = "LineNr" > 87 < / span > < span class = "subxComment" > # skip-chars-matching-whitespace(line)< / span >
< span id = "L88" class = "LineNr" > 88 < / span > < span class = "subxComment" > # if line-> data[line-> read] != '('< / span >
< span id = "L89" class = "LineNr" > 89 < / span > < span class = "subxComment" > # write-stream-data(out, line)< / span >
< span id = "L90" class = "LineNr" > 90 < / span > < span class = "subxComment" > # continue< / span >
< span id = "L91" class = "LineNr" > 91 < / span > < span class = "subxComment" > # # emit comment< / span >
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< span id = "L92" class = "LineNr" > 92 < / span > < span class = "subxComment" > # write-buffered(out, " # . " )< / span >
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< span id = "L93" class = "LineNr" > 93 < / span > < span class = "subxComment" > # write-stream-data(out, line)< / span >
< span id = "L94" class = "LineNr" > 94 < / span > < span class = "subxComment" > # # emit code< / span >
< span id = "L95" class = "LineNr" > 95 < / span > < span class = "subxComment" > # ++line-> read # skip '('< / span >
< span id = "L96" class = "LineNr" > 96 < / span > < span class = "subxComment" > # clear-stream(words)< / span >
< span id = "L97" class = "LineNr" > 97 < / span > < span class = "subxComment" > # words = parse-line(line)< / span >
< span id = "L98" class = "LineNr" > 98 < / span > < span class = "subxComment" > # emit-call(out, words)< / span >
< span id = "L99" class = "LineNr" > 99 < / span > < span class = "subxComment" > # flush(out)< / span >
< span id = "L100" class = "LineNr" > 100 < / span > < span class = "subxComment" > #< / span >
< span id = "L101" class = "LineNr" > 101 < / span > < span class = "subxS1Comment" > # . prolog< / span >
< span id = "L102" class = "LineNr" > 102 < / span > 55/push-ebp
< span id = "L103" class = "LineNr" > 103 < / span > 89/< - %ebp 4/r32/esp
< span id = "L104" class = "LineNr" > 104 < / span > < span class = "subxS1Comment" > # . save registers< / span >
< span id = "L105" class = "LineNr" > 105 < / span > < span class = "subxComment" > # var line/ecx : (address stream byte) = stream(512)< / span >
< span id = "L106" class = "LineNr" > 106 < / span > 81 5/subop/subtract %esp 0x200/imm32
< span id = "L107" class = "LineNr" > 107 < / span > 68/push 0x200/imm32/length
< span id = "L108" class = "LineNr" > 108 < / span > 68/push 0/imm32/read
< span id = "L109" class = "LineNr" > 109 < / span > 68/push 0/imm32/write
< span id = "L110" class = "LineNr" > 110 < / span > 89/< - %ecx 4/r32/esp
< span id = "L111" class = "LineNr" > 111 < / span > < span class = "subxComment" > # var words/edx : (address stream slice) = stream(16, 8)< / span >
< span id = "L112" class = "LineNr" > 112 < / span > 81 5/subop/subtract %esp 0x80/imm32
< span id = "L113" class = "LineNr" > 113 < / span > 68/push 0x80/imm32/length
< span id = "L114" class = "LineNr" > 114 < / span > 68/push 0/imm32/read
< span id = "L115" class = "LineNr" > 115 < / span > 68/push 0/imm32/write
< span id = "L116" class = "LineNr" > 116 < / span > 89/< - %edx 4/r32/esp
< span id = "L117" class = "LineNr" > 117 < / span > < span class = "Constant" > $convert:loop< / span > :
< span id = "L118" class = "LineNr" > 118 < / span > < span class = "subxComment" > # clear-stream(line)< / span >
< span id = "L119" class = "LineNr" > 119 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L120" class = "LineNr" > 120 < / span > 51/push-ecx
< span id = "L121" class = "LineNr" > 121 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L122" class = "LineNr" > 122 < / span > e8/call < a href = '../055stream.subx.html#L17' > clear-stream< / a > /disp32
< span id = "L123" class = "LineNr" > 123 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L124" class = "LineNr" > 124 < / span > 81 0/subop/add %esp 4/imm32
< span id = "L125" class = "LineNr" > 125 < / span > < span class = "subxComment" > # read-line-buffered(in, line)< / span >
< span id = "L126" class = "LineNr" > 126 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L127" class = "LineNr" > 127 < / span > 51/push-ecx
< span id = "L128" class = "LineNr" > 128 < / span > ff 6/subop/push *(ebp+8)
< span id = "L129" class = "LineNr" > 129 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L130" class = "LineNr" > 130 < / span > e8/call < a href = '../071read-line.subx.html#L9' > read-line-buffered< / a > /disp32
< span id = "L131" class = "LineNr" > 131 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L132" class = "LineNr" > 132 < / span > 81 0/subop/add %esp 8/imm32
< span id = "L133" class = "LineNr" > 133 < / span > < span class = "Constant" > $convert:check0< / span > :
< span id = "L134" class = "LineNr" > 134 < / span > < span class = "subxComment" > # if (line-> write == 0) break< / span >
< span id = "L135" class = "LineNr" > 135 < / span > 81 7/subop/compare *ecx 0/imm32
< span id = "L136" class = "LineNr" > 136 < / span > 0f 84/jump-if-equal $convert:break/disp32
< span id = "L137" class = "LineNr" > 137 < / span > < span class = "subxComment" > # TODO< / span >
< span id = "L138" class = "LineNr" > 138 < / span > e9/jump $convert:loop/disp32
< span id = "L139" class = "LineNr" > 139 < / span > < span class = "Constant" > $convert:break< / span > :
< span id = "L140" class = "LineNr" > 140 < / span > < span class = "subxComment" > # flush(out)< / span >
< span id = "L141" class = "LineNr" > 141 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L142" class = "LineNr" > 142 < / span > ff 6/subop/push *(ebp+0xc)
< span id = "L143" class = "LineNr" > 143 < / span > < span class = "subxS2Comment" > # . . call< / span >
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< span id = "L144" class = "LineNr" > 144 < / span > e8/call < a href = '../064write-byte.subx.html#L79' > flush< / a > /disp32
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< span id = "L145" class = "LineNr" > 145 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L146" class = "LineNr" > 146 < / span > 81 0/subop/add %esp 4/imm32
< span id = "L147" class = "LineNr" > 147 < / span > < span class = "Constant" > $convert:end< / span > :
< span id = "L148" class = "LineNr" > 148 < / span > < span class = "subxS1Comment" > # . reclaim locals< / span >
< span id = "L149" class = "LineNr" > 149 < / span > 81 0/subop/add %esp 0x298/imm32 < span class = "subxComment" > # 0x20c + 0x8c< / span >
< span id = "L150" class = "LineNr" > 150 < / span > < span class = "subxS1Comment" > # . restore registers< / span >
< span id = "L151" class = "LineNr" > 151 < / span > < span class = "subxS1Comment" > # . epilog< / span >
< span id = "L152" class = "LineNr" > 152 < / span > 89/< - %esp 5/r32/ebp
< span id = "L153" class = "LineNr" > 153 < / span > 5d/pop-to-ebp
< span id = "L154" class = "LineNr" > 154 < / span > c3/return
< span id = "L155" class = "LineNr" > 155 < / span >
< span id = "L156" class = "LineNr" > 156 < / span > < span class = "subxFunction" > parse-line< / span > : < span class = "subxComment" > # line : (address stream byte), words : (address stream slice)< / span >
< span id = "L157" class = "LineNr" > 157 < / span > < span class = "subxComment" > # pseudocode:< / span >
< span id = "L158" class = "LineNr" > 158 < / span > < span class = "subxComment" > # var word-slice : (address slice)< / span >
< span id = "L159" class = "LineNr" > 159 < / span > < span class = "subxComment" > # while true< / span >
< span id = "L160" class = "LineNr" > 160 < / span > < span class = "subxComment" > # word-slice = next-word-string-or-expression-without-metadata(line)< / span >
< span id = "L161" class = "LineNr" > 161 < / span > < span class = "subxComment" > # if slice-empty?(word-slice)< / span >
< span id = "L162" class = "LineNr" > 162 < / span > < span class = "subxComment" > # break # end of line< / span >
< span id = "L163" class = "LineNr" > 163 < / span > < span class = "subxComment" > # write-int(words, word-slice-> start)< / span >
< span id = "L164" class = "LineNr" > 164 < / span > < span class = "subxComment" > # write-int(words, word-slice-> end)< / span >
< span id = "L165" class = "LineNr" > 165 < / span > < span class = "subxComment" > #< / span >
< span id = "L166" class = "LineNr" > 166 < / span > < span class = "subxS1Comment" > # . prolog< / span >
< span id = "L167" class = "LineNr" > 167 < / span > 55/push-ebp
< span id = "L168" class = "LineNr" > 168 < / span > 89/< - %ebp 4/r32/esp
< span id = "L169" class = "LineNr" > 169 < / span > < span class = "subxS1Comment" > # . save registers< / span >
< span id = "L170" class = "LineNr" > 170 < / span > < span class = "Constant" > $parse-line:end< / span > :
< span id = "L171" class = "LineNr" > 171 < / span > < span class = "subxS1Comment" > # . reclaim locals< / span >
< span id = "L172" class = "LineNr" > 172 < / span > < span class = "subxS1Comment" > # . restore registers< / span >
< span id = "L173" class = "LineNr" > 173 < / span > < span class = "subxS1Comment" > # . epilog< / span >
< span id = "L174" class = "LineNr" > 174 < / span > 89/< - %esp 5/r32/ebp
< span id = "L175" class = "LineNr" > 175 < / span > 5d/pop-to-ebp
< span id = "L176" class = "LineNr" > 176 < / span > c3/return
< span id = "L177" class = "LineNr" > 177 < / span >
< span id = "L178" class = "LineNr" > 178 < / span > < span class = "subxFunction" > emit-call< / span > : < span class = "subxComment" > # out : (address buffered-file), words : (address stream slice)< / span >
< span id = "L179" class = "LineNr" > 179 < / span > < span class = "subxComment" > # pseudocode:< / span >
< span id = "L180" class = "LineNr" > 180 < / span > < span class = "subxComment" > # if (words-> write < 8) abort< / span >
< span id = "L181" class = "LineNr" > 181 < / span > < span class = "subxComment" > # curr = & words-> data[words-> write-8]< / span >
< span id = "L182" class = "LineNr" > 182 < / span > < span class = "subxComment" > # min = words-> data< / span >
< span id = "L183" class = "LineNr" > 183 < / span > < span class = "subxComment" > # # emit pushes< / span >
< span id = "L184" class = "LineNr" > 184 < / span > < span class = "subxComment" > # while true< / span >
< span id = "L185" class = "LineNr" > 185 < / span > < span class = "subxComment" > # if (curr < = min) break< / span >
2019-09-02 23:24:43 +00:00
< span id = "L186" class = "LineNr" > 186 < / span > < span class = "subxComment" > # if *curr in '%' '*'< / span >
2019-09-02 22:36:08 +00:00
< span id = "L187" class = "LineNr" > 187 < / span > < span class = "subxComment" > # write-buffered(out, " ff 6/subop/push " )< / span >
< span id = "L188" class = "LineNr" > 188 < / span > < span class = "subxComment" > # write-slice-buffered(out, curr)< / span >
< span id = "L189" class = "LineNr" > 189 < / span > < span class = "subxComment" > # write-buffered(out, " /imm32\n" )< / span >
< span id = "L190" class = "LineNr" > 190 < / span > < span class = "subxComment" > # else< / span >
< span id = "L191" class = "LineNr" > 191 < / span > < span class = "subxComment" > # write-buffered(out, " 68/push " )< / span >
< span id = "L192" class = "LineNr" > 192 < / span > < span class = "subxComment" > # write-slice-buffered(out, curr)< / span >
< span id = "L193" class = "LineNr" > 193 < / span > < span class = "subxComment" > # write-buffered(out, " /imm32\n" )< / span >
< span id = "L194" class = "LineNr" > 194 < / span > < span class = "subxComment" > # curr -= 8< / span >
< span id = "L195" class = "LineNr" > 195 < / span > < span class = "subxComment" > # # emit call< / span >
< span id = "L196" class = "LineNr" > 196 < / span > < span class = "subxComment" > # write-buffered(out, " e8/call " )< / span >
< span id = "L197" class = "LineNr" > 197 < / span > < span class = "subxComment" > # write-slice-buffered(out, curr)< / span >
< span id = "L198" class = "LineNr" > 198 < / span > < span class = "subxComment" > # write-buffered(out, " /disp32\n" )< / span >
< span id = "L199" class = "LineNr" > 199 < / span > < span class = "subxComment" > # # emit pops< / span >
< span id = "L200" class = "LineNr" > 200 < / span > < span class = "subxComment" > # write-buffered(out, " 81 0/subop/add %esp " )< / span >
< span id = "L201" class = "LineNr" > 201 < / span > < span class = "subxComment" > # print-int32-buffered(out, words-> write > > 1 - 4)< / span >
< span id = "L202" class = "LineNr" > 202 < / span > < span class = "subxComment" > # write-buffered(out, " /imm32\n" )< / span >
< span id = "L203" class = "LineNr" > 203 < / span > < span class = "subxComment" > #< / span >
< span id = "L204" class = "LineNr" > 204 < / span > < span class = "subxS1Comment" > # . prolog< / span >
< span id = "L205" class = "LineNr" > 205 < / span > 55/push-ebp
< span id = "L206" class = "LineNr" > 206 < / span > 89/< - %ebp 4/r32/esp
< span id = "L207" class = "LineNr" > 207 < / span > < span class = "subxS1Comment" > # . save registers< / span >
< span id = "L208" class = "LineNr" > 208 < / span > < span class = "Constant" > $emit-call:end< / span > :
< span id = "L209" class = "LineNr" > 209 < / span > < span class = "subxS1Comment" > # . reclaim locals< / span >
< span id = "L210" class = "LineNr" > 210 < / span > < span class = "subxS1Comment" > # . restore registers< / span >
< span id = "L211" class = "LineNr" > 211 < / span > < span class = "subxS1Comment" > # . epilog< / span >
2019-09-02 22:46:15 +00:00
< span id = "L212" class = "LineNr" > 212 < / span > 89/< - %esp 5/r32/ebp
2019-09-02 22:36:08 +00:00
< span id = "L213" class = "LineNr" > 213 < / span > 5d/pop-to-ebp
< span id = "L214" class = "LineNr" > 214 < / span > c3/return
< span id = "L215" class = "LineNr" > 215 < / span >
2019-09-04 06:56:40 +00:00
< span id = "L216" class = "LineNr" > 216 < / span > < span class = "subxFunction" > next-word-string-or-expression-without-metadata< / span > : < span class = "subxComment" > # line : (address stream), word-slice : (address slice)< / span >
< span id = "L217" class = "LineNr" > 217 < / span > < span class = "subxComment" > # pseudocode:< / span >
< span id = "L218" class = "LineNr" > 218 < / span > < span class = "subxComment" > # skip-chars-matching(line, ' ')< / span >
< span id = "L219" class = "LineNr" > 219 < / span > < span class = "subxComment" > # if line-> read > = line-> write # end of line< / span >
< span id = "L220" class = "LineNr" > 220 < / span > < span class = "subxComment" > # out = {0, 0}< / span >
< span id = "L221" class = "LineNr" > 221 < / span > < span class = "subxComment" > # return< / span >
< span id = "L222" class = "LineNr" > 222 < / span > < span class = "subxComment" > # out-> start = & line-> data[line-> read]< / span >
< span id = "L223" class = "LineNr" > 223 < / span > < span class = "subxComment" > # if line-> data[line-> read] == '#' # comment< / span >
< span id = "L224" class = "LineNr" > 224 < / span > < span class = "subxComment" > # out.end = & line-> data[line-> write] # skip to end of line< / span >
< span id = "L225" class = "LineNr" > 225 < / span > < span class = "subxComment" > # return< / span >
< span id = "L226" class = "LineNr" > 226 < / span > < span class = "subxComment" > # if line-> data[line-> read] == '" ' # string literal< / span >
< span id = "L227" class = "LineNr" > 227 < / span > < span class = "subxComment" > # skip-string(line)< / span >
< span id = "L228" class = "LineNr" > 228 < / span > < span class = "subxComment" > # out.end = & line-> data[line-> read] # no metadata< / span >
< span id = "L229" class = "LineNr" > 229 < / span > < span class = "subxComment" > # return< / span >
< span id = "L230" class = "LineNr" > 230 < / span > < span class = "subxComment" > # if line-> data[line-> read] == '*' # expression< / span >
< span id = "L231" class = "LineNr" > 231 < / span > < span class = "subxComment" > # if line-> data[line-> read + 1] == ' '< / span >
< span id = "L232" class = "LineNr" > 232 < / span > < span class = "subxComment" > # abort< / span >
< span id = "L233" class = "LineNr" > 233 < / span > < span class = "subxComment" > # if line-> data[line-> read + 1] == '('< / span >
< span id = "L234" class = "LineNr" > 234 < / span > < span class = "subxComment" > # skip-until-close-paren(line)< / span >
< span id = "L235" class = "LineNr" > 235 < / span > < span class = "subxComment" > # if (line-> data[line-> read] != ')'< / span >
< span id = "L236" class = "LineNr" > 236 < / span > < span class = "subxComment" > # abort< / span >
< span id = "L237" class = "LineNr" > 237 < / span > < span class = "subxComment" > # ++line-> data[line-> read] to skip ')'< / span >
< span id = "L238" class = "LineNr" > 238 < / span > < span class = "subxComment" > # out-> end = & line-> data[line-> read]< / span >
< span id = "L239" class = "LineNr" > 239 < / span > < span class = "subxComment" > # return< / span >
< span id = "L240" class = "LineNr" > 240 < / span > < span class = "subxComment" > # if line-> data[line-> read] == ')'< / span >
< span id = "L241" class = "LineNr" > 241 < / span > < span class = "subxComment" > # ++line-> read to skip ')'< / span >
< span id = "L242" class = "LineNr" > 242 < / span > < span class = "subxComment" > # # make sure there's nothing else of importance< / span >
< span id = "L243" class = "LineNr" > 243 < / span > < span class = "subxComment" > # if line-> read > = line-> write< / span >
< span id = "L244" class = "LineNr" > 244 < / span > < span class = "subxComment" > # out = {0, 0}< / span >
< span id = "L245" class = "LineNr" > 245 < / span > < span class = "subxComment" > # return< / span >
< span id = "L246" class = "LineNr" > 246 < / span > < span class = "subxComment" > # if line-> data[line-> read] != ' '< / span >
< span id = "L247" class = "LineNr" > 247 < / span > < span class = "subxComment" > # abort< / span >
< span id = "L248" class = "LineNr" > 248 < / span > < span class = "subxComment" > # skip-chars-matching-whitespace(line)< / span >
< span id = "L249" class = "LineNr" > 249 < / span > < span class = "subxComment" > # if line-> read > = line-> write< / span >
< span id = "L250" class = "LineNr" > 250 < / span > < span class = "subxComment" > # out = {0, 0}< / span >
< span id = "L251" class = "LineNr" > 251 < / span > < span class = "subxComment" > # return< / span >
< span id = "L252" class = "LineNr" > 252 < / span > < span class = "subxComment" > # if line-> data[line-> read] != '#' # only thing permitted after ')' is a comment< / span >
< span id = "L253" class = "LineNr" > 253 < / span > < span class = "subxComment" > # abort< / span >
< span id = "L254" class = "LineNr" > 254 < / span > < span class = "subxComment" > # out.end = & line-> data[line-> write] # skip to end of line< / span >
< span id = "L255" class = "LineNr" > 255 < / span > < span class = "subxComment" > # return< / span >
< span id = "L256" class = "LineNr" > 256 < / span > < span class = "subxComment" > # # default case: read a word -- but no metadata< / span >
< span id = "L257" class = "LineNr" > 257 < / span > < span class = "subxComment" > # while true< / span >
< span id = "L258" class = "LineNr" > 258 < / span > < span class = "subxComment" > # if line-> read > = line-> write< / span >
< span id = "L259" class = "LineNr" > 259 < / span > < span class = "subxComment" > # break< / span >
< span id = "L260" class = "LineNr" > 260 < / span > < span class = "subxComment" > # if line-> data[line-> read] == ' '< / span >
< span id = "L261" class = "LineNr" > 261 < / span > < span class = "subxComment" > # break< / span >
< span id = "L262" class = "LineNr" > 262 < / span > < span class = "subxComment" > # if line-> data[line-> read] == '/'< / span >
< span id = "L263" class = "LineNr" > 263 < / span > < span class = "subxComment" > # abort< / span >
< span id = "L264" class = "LineNr" > 264 < / span > < span class = "subxComment" > # ++line-> read< / span >
< span id = "L265" class = "LineNr" > 265 < / span > < span class = "subxComment" > # out.end = & line-> data[line-> read]< / span >
< span id = "L266" class = "LineNr" > 266 < / span > < span class = "subxComment" > #< / span >
< span id = "L267" class = "LineNr" > 267 < / span > < span class = "subxComment" > # registers:< / span >
< span id = "L268" class = "LineNr" > 268 < / span > < span class = "subxComment" > # ecx: often line-> read< / span >
< span id = "L269" class = "LineNr" > 269 < / span > < span class = "subxComment" > # eax: often line-> data[line-> read]< / span >
< span id = "L270" class = "LineNr" > 270 < / span > < span class = "subxComment" > #< / span >
< span id = "L271" class = "LineNr" > 271 < / span > < span class = "subxS1Comment" > # . prolog< / span >
< span id = "L272" class = "LineNr" > 272 < / span > 55/push-ebp
< span id = "L273" class = "LineNr" > 273 < / span > 89/< - %ebp 4/r32/esp
< span id = "L274" class = "LineNr" > 274 < / span > < span class = "subxS1Comment" > # . save registers< / span >
< span id = "L275" class = "LineNr" > 275 < / span > 50/push-eax
< span id = "L276" class = "LineNr" > 276 < / span > 51/push-ecx
< span id = "L277" class = "LineNr" > 277 < / span > 56/push-esi
< span id = "L278" class = "LineNr" > 278 < / span > 57/push-edi
< span id = "L279" class = "LineNr" > 279 < / span > < span class = "subxComment" > # skip-chars-matching(line, ' ')< / span >
< span id = "L280" class = "LineNr" > 280 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L281" class = "LineNr" > 281 < / span > 68/push 0x20/imm32/space
< span id = "L282" class = "LineNr" > 282 < / span > ff 6/subop/push *(ebp+8)
< span id = "L283" class = "LineNr" > 283 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L284" class = "LineNr" > 284 < / span > e8/call < a href = '../073next-token.subx.html#L341' > skip-chars-matching< / a > /disp32
< span id = "L285" class = "LineNr" > 285 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L286" class = "LineNr" > 286 < / span > 81 0/subop/add %esp 8/imm32
< span id = "L287" class = "LineNr" > 287 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:check0< / span > :
< span id = "L288" class = "LineNr" > 288 < / span > < span class = "subxComment" > # if (line-> read > = line-> write) clear out and return< / span >
< span id = "L289" class = "LineNr" > 289 < / span > < span class = "subxS1Comment" > # . eax = line-> read< / span >
< span id = "L290" class = "LineNr" > 290 < / span > 8b/-> *(esi+4) 0/r32/eax
< span id = "L291" class = "LineNr" > 291 < / span > < span class = "subxS1Comment" > # . if (eax < line-> write) goto next check< / span >
< span id = "L292" class = "LineNr" > 292 < / span > 3b/compare *esi 0/r32/eax
< span id = "L293" class = "LineNr" > 293 < / span > 7c/jump-if-lesser $next-word-string-or-expression-without-metadata:check-for-comment/disp8
< span id = "L294" class = "LineNr" > 294 < / span > < span class = "subxS1Comment" > # . return out = {0, 0}< / span >
< span id = "L295" class = "LineNr" > 295 < / span > c7 0/subop/copy *edi 0/imm32
< span id = "L296" class = "LineNr" > 296 < / span > c7 0/subop/copy *(edi+4) 0/imm32
< span id = "L297" class = "LineNr" > 297 < / span > e9/jump $next-word-string-or-expression-without-metadata:end/disp32
< span id = "L298" class = "LineNr" > 298 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:check-for-comment< / span > :
< span id = "L299" class = "LineNr" > 299 < / span > < span class = "subxComment" > # out-> start = & line-> data[line-> read]< / span >
< span id = "L300" class = "LineNr" > 300 < / span > 8b/-> *(esi+4) 1/r32/ecx
< span id = "L301" class = "LineNr" > 301 < / span > 8d/copy-address *(esi+ecx+0xc) 0/r32/eax
< span id = "L302" class = "LineNr" > 302 < / span > 89/< - *edi 0/r32/eax
< span id = "L303" class = "LineNr" > 303 < / span > < span class = "subxComment" > # if (line-> data[line-> read] != '#') goto next check< / span >
< span id = "L304" class = "LineNr" > 304 < / span > < span class = "subxS1Comment" > # . eax = line-> data[line-> read]< / span >
< span id = "L305" class = "LineNr" > 305 < / span > 31/xor %eax 0/r32/eax
< span id = "L306" class = "LineNr" > 306 < / span > 8a/copy-byte *(esi+ecx+0xc) 0/r32/AL
< span id = "L307" class = "LineNr" > 307 < / span > < span class = "subxS1Comment" > # . if (eax != '#') goto next check< / span >
< span id = "L308" class = "LineNr" > 308 < / span > 3d/compare-eax-and 0x23/imm32/pound
< span id = "L309" class = "LineNr" > 309 < / span > 75/jump-if-not-equal $next-word-string-or-expression-without-metadata:check-for-string-literal/disp8
< span id = "L310" class = "LineNr" > 310 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:comment< / span > :
< span id = "L311" class = "LineNr" > 311 < / span > < span class = "subxComment" > # out-> end = & line-> data[line-> write]< / span >
< span id = "L312" class = "LineNr" > 312 < / span > 8b/-> *esi 0/r32/eax
< span id = "L313" class = "LineNr" > 313 < / span > 8d/copy-address *(esi+eax+0xc) 0/r32/eax
< span id = "L314" class = "LineNr" > 314 < / span > 89/< - *(edi+4) 0/r32/eax
< span id = "L315" class = "LineNr" > 315 < / span > < span class = "subxComment" > # line-> read = line-> write # skip rest of line< / span >
< span id = "L316" class = "LineNr" > 316 < / span > 8b/-> *esi 0/r32/eax
< span id = "L317" class = "LineNr" > 317 < / span > 89/< - *(esi+4) 0/r32/eax
< span id = "L318" class = "LineNr" > 318 < / span > < span class = "subxComment" > # return< / span >
< span id = "L319" class = "LineNr" > 319 < / span > eb/jump $next-word-string-or-expression-without-metadata:end/disp8
< span id = "L320" class = "LineNr" > 320 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:check-for-string-literal< / span > :
< span id = "L321" class = "LineNr" > 321 < / span > < span class = "subxComment" > # if (line-> data[line-> read] != '" ') goto next check< / span >
< span id = "L322" class = "LineNr" > 322 < / span > 3d/compare-eax-and 0x22/imm32/dquote
< span id = "L323" class = "LineNr" > 323 < / span > 75/jump-if-not-equal $next-word-string-or-expression-without-metadata:check-for-expression/disp8
< span id = "L324" class = "LineNr" > 324 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:string-literal< / span > :
< span id = "L325" class = "LineNr" > 325 < / span > < span class = "subxComment" > # skip-string(line)< / span >
< span id = "L326" class = "LineNr" > 326 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L327" class = "LineNr" > 327 < / span > 56/push-esi
< span id = "L328" class = "LineNr" > 328 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L329" class = "LineNr" > 329 < / span > e8/call skip-string/disp32
< span id = "L330" class = "LineNr" > 330 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L331" class = "LineNr" > 331 < / span > 81 0/subop/add %esp 4/imm32
< span id = "L332" class = "LineNr" > 332 < / span > < span class = "subxComment" > # out-> end = & line-> data[line-> read]< / span >
< span id = "L333" class = "LineNr" > 333 < / span > 8b/-> *(esi+4) 1/r32/ecx
< span id = "L334" class = "LineNr" > 334 < / span > 8d/copy-address *(esi+ecx+0xc) 0/r32/eax
< span id = "L335" class = "LineNr" > 335 < / span > 89/< - *(edi+4) 0/r32/eax
< span id = "L336" class = "LineNr" > 336 < / span > < span class = "subxComment" > # return< / span >
< span id = "L337" class = "LineNr" > 337 < / span > eb/jump $next-word-string-or-expression-without-metadata:end/disp8
< span id = "L338" class = "LineNr" > 338 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:check-for-expression< / span > :
< span id = "L339" class = "LineNr" > 339 < / span > < span class = "subxComment" > # if (line-> data[line-> read] != '*') goto next check< / span >
< span id = "L340" class = "LineNr" > 340 < / span > 3d/compare-eax-and 0x2a/imm32/asterisk
< span id = "L341" class = "LineNr" > 341 < / span > 75/jump-if-not-equal $next-word-string-or-expression-without-metadata:check-for-end-of-call/disp8
< span id = "L342" class = "LineNr" > 342 < / span > < span class = "subxComment" > # if (line-> data[line-> read + 1] == ' ') goto error1< / span >
< span id = "L343" class = "LineNr" > 343 < / span > 8a/copy-byte *(esi+ecx+0xd) 0/r32/AL
< span id = "L344" class = "LineNr" > 344 < / span > 3d/compare-eax-and 0x20/imm32/space
< span id = "L345" class = "LineNr" > 345 < / span > 74/jump-if-equal $next-word-string-or-expression-without-metadata:error1/disp8
< span id = "L346" class = "LineNr" > 346 < / span > < span class = "subxComment" > # if (line-> data[line-> read] != '(') goto regular word< / span >
< span id = "L347" class = "LineNr" > 347 < / span > 3d/compare-eax-and 0x28/imm32/open-paren
< span id = "L348" class = "LineNr" > 348 < / span > 75/jump-if-not-equal $next-word-string-or-expression-without-metadata:regular-word/disp8
< span id = "L349" class = "LineNr" > 349 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:paren< / span > :
< span id = "L350" class = "LineNr" > 350 < / span > < span class = "subxComment" > # skip-until-close-paren(line)< / span >
< span id = "L351" class = "LineNr" > 351 < / span > < span class = "subxS2Comment" > # . . push args< / span >
< span id = "L352" class = "LineNr" > 352 < / span > 56/push-esi
< span id = "L353" class = "LineNr" > 353 < / span > < span class = "subxS2Comment" > # . . call< / span >
< span id = "L354" class = "LineNr" > 354 < / span > e8/call skip-until-close-paren/disp32
< span id = "L355" class = "LineNr" > 355 < / span > < span class = "subxS2Comment" > # . . discard args< / span >
< span id = "L356" class = "LineNr" > 356 < / span > 81 0/subop/add %esp 4/imm32
< span id = "L357" class = "LineNr" > 357 < / span > < span class = "subxComment" > # if (line-> data[line-> read] != ')') goto error2< / span >
< span id = "L358" class = "LineNr" > 358 < / span > < span class = "subxS1Comment" > # . eax = line-> data[line-> read]< / span >
< span id = "L359" class = "LineNr" > 359 < / span > 8b/-> *(esi+4) 1/r32/ecx
< span id = "L360" class = "LineNr" > 360 < / span > 8a/copy-byte *(esi+ecx+0xc) 0/r32/AL
< span id = "L361" class = "LineNr" > 361 < / span > < span class = "subxS1Comment" > # . if (eax != ')') goto error2< / span >
< span id = "L362" class = "LineNr" > 362 < / span > 3d/compare-eax-and 0x29/imm32/close-paren
< span id = "L363" class = "LineNr" > 363 < / span > 75/jump-if-not-equal $next-word-string-or-expression-without-metadata:error2/disp8
< span id = "L364" class = "LineNr" > 364 < / span > < span class = "subxComment" > # skip ')'< / span >
< span id = "L365" class = "LineNr" > 365 < / span > ff 0/subop/increment *(esi+4)
< span id = "L366" class = "LineNr" > 366 < / span > < span class = "subxComment" > # out-> end = & line-> data[line-> read]< / span >
< span id = "L367" class = "LineNr" > 367 < / span > 8b/-> *(esi+4) 1/r32/ecx
< span id = "L368" class = "LineNr" > 368 < / span > 8d/copy-address *(esi+ecx+0xc) 0/r32/eax
< span id = "L369" class = "LineNr" > 369 < / span > 89/< - *(edi+4) 0/r32/eax
< span id = "L370" class = "LineNr" > 370 < / span > < span class = "subxComment" > # return< / span >
< span id = "L371" class = "LineNr" > 371 < / span > eb/jump $next-word-string-or-expression-without-metadata:end/disp8
< span id = "L372" class = "LineNr" > 372 < / span > < span class = "Constant" > $next-word-string-or-expression-without-metadata:end< / span > :
< span id = "L373" class = "LineNr" > 373 < / span > < span class = "subxS1Comment" > # . restore registers< / span >
< span id = "L374" class = "LineNr" > 374 < / span > 5f/pop-to-edi
< span id = "L375" class = "LineNr" > 375 < / span > 5e/pop-to-esi
< span id = "L376" class = "LineNr" > 376 < / span > 59/pop-to-ecx
< span id = "L377" class = "LineNr" > 377 < / span > 58/pop-to-eax
< span id = "L378" class = "LineNr" > 378 < / span > < span class = "subxS1Comment" > # . epilog< / span >
< span id = "L379" class = "LineNr" > 379 < / span > 89/< - %esp 5/r32/ebp
< span id = "L380" class = "LineNr" > 380 < / span > 5d/pop-to-ebp
< span id = "L381" class = "LineNr" > 381 < / span > c3/return
< span id = "L382" class = "LineNr" > 382 < / span >
< span id = "L383" class = "LineNr" > 383 < / span > < span class = "subxS2Comment" > # . . vim: nowrap:textwidth=0< / span >
2019-09-02 22:36:08 +00:00
< / pre >
< / body >
< / html >
<!-- vim: set foldmethod=manual : -->