1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Mu - linux/404stream.mu</title>
<meta name="Generator" content="Vim/8.2">
<meta name="plugin-version" content="vim8.1_v2">
<meta name="syntax" content="none">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=,use_input_for_pc=fallback">
<meta name="colorscheme" content="minimal-light">
<style>
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #ffffd7; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #ffffd7; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.PreProc { color: #c000c0; }
.muRegEdx { color: #af5f00; }
.LineNr { }
.muRegEbx { color: #5f00ff; }
.Constant { color: #008787; }
.muRegEcx { color: #870000; }
.Delimiter { color: #c000c0; }
.Special { color: #ff6060; }
.muTest { color: #5f8700; }
.muComment { color: #005faf; }
-->
</style>
<script>
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
var lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
</script>
</head>
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/main/linux/404stream.mu'>https://github.com/akkartik/mu/blob/main/linux/404stream.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Tests for Mu's stream primitives.</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="PreProc">fn</span> <span class="muTest"><a href='404stream.mu.html#L3'>test-stream</a></span> <span class="Delimiter">{</span>
<span id="L4" class="LineNr"> 4 </span> <span class="muComment"># - write an int to a stream, then read it back</span>
<span id="L5" class="LineNr"> 5 </span> <span class="muComment"># step 1: initialize</span>
<span id="L6" class="LineNr"> 6 </span> <span class="PreProc">var</span> s: (stream int <span class="Constant">4</span>)
<span id="L7" class="LineNr"> 7 </span> <span class="PreProc">var</span> s2/<span class="muRegEcx">ecx</span>: (addr stream int) <span class="Special"><-</span> address s
<span id="L8" class="LineNr"> 8 </span> <span class="PreProc">var</span> tmp/eax: boolean <span class="Special"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s2
<span id="L9" class="LineNr"> 9 </span> <a href='401test.mu.html#L3'>check</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/empty?/0"</span>
<span id="L10" class="LineNr">10 </span> tmp <span class="Special"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
<span id="L11" class="LineNr">11 </span> <a href='401test.mu.html#L8'>check-not</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/full?/0"</span>
<span id="L12" class="LineNr">12 </span> <span class="muComment"># step 2: write to stream</span>
<span id="L13" class="LineNr">13 </span> <span class="PreProc">var</span> x: int
<span id="L14" class="LineNr">14 </span> copy-to x, <span class="Constant">0x34</span>
<span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> x2/<span class="muRegEdx">edx</span>: (addr int) <span class="Special"><-</span> address x
<span id="L16" class="LineNr">16 </span> <a href='309stream.subx.html#L54'>write-to-stream</a> s2, x2
<span id="L17" class="LineNr">17 </span> tmp <span class="Special"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s2
<span id="L18" class="LineNr">18 </span> <a href='401test.mu.html#L8'>check-not</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/empty?/1"</span>
<span id="L19" class="LineNr">19 </span> tmp <span class="Special"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
<span id="L20" class="LineNr">20 </span> <a href='401test.mu.html#L8'>check-not</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/full?/1"</span>
<span id="L21" class="LineNr">21 </span> <span class="muComment"># step 3: modify the value written (should make no difference)</span>
<span id="L22" class="LineNr">22 </span> copy-to x, <span class="Constant">0</span>
<span id="L23" class="LineNr">23 </span> <span class="muComment"># step 4: read back</span>
<span id="L24" class="LineNr">24 </span> <span class="PreProc">var</span> y: int
<span id="L25" class="LineNr">25 </span> <span class="PreProc">var</span> y2/<span class="muRegEbx">ebx</span>: (addr int) <span class="Special"><-</span> address y
<span id="L26" class="LineNr">26 </span> <a href='309stream.subx.html#L107'>read-from-stream</a> s2, y2
<span id="L27" class="LineNr">27 </span> tmp <span class="Special"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s2
<span id="L28" class="LineNr">28 </span> <a href='401test.mu.html#L3'>check</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/empty?/2"</span>
<span id="L29" class="LineNr">29 </span> tmp <span class="Special"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
<span id="L30" class="LineNr">30 </span> <a href='401test.mu.html#L8'>check-not</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/full?/2"</span>
<span id="L31" class="LineNr">31 </span> <span class="muComment"># we read back what was written</span>
<span id="L32" class="LineNr">32 </span> <a href='102test.subx.html#L23'>check-ints-equal</a> y, <span class="Constant">0x34</span>, <span class="Constant">"F - test-stream"</span>
<span id="L33" class="LineNr">33 </span><span class="Delimiter">}</span>
<span id="L34" class="LineNr">34 </span>
<span id="L35" class="LineNr">35 </span><span class="PreProc">fn</span> <span class="muTest"><a href='404stream.mu.html#L35'>test-stream-full</a></span> <span class="Delimiter">{</span>
<span id="L36" class="LineNr">36 </span> <span class="muComment"># write an int to a stream of capacity 1</span>
<span id="L37" class="LineNr">37 </span> <span class="PreProc">var</span> s: (stream int <span class="Constant">1</span>)
<span id="L38" class="LineNr">38 </span> <span class="PreProc">var</span> s2/<span class="muRegEcx">ecx</span>: (addr stream int) <span class="Special"><-</span> address s
<span id="L39" class="LineNr">39 </span> <span class="PreProc">var</span> tmp/eax: boolean <span class="Special"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
<span id="L40" class="LineNr">40 </span> <a href='401test.mu.html#L8'>check-not</a> tmp, <span class="Constant">"F - test-stream-full?/pre"</span>
<span id="L41" class="LineNr">41 </span> <span class="PreProc">var</span> x: int
<span id="L42" class="LineNr">42 </span> <span class="PreProc">var</span> x2/<span class="muRegEdx">edx</span>: (addr int) <span class="Special"><-</span> address x
<span id="L43" class="LineNr">43 </span> <a href='309stream.subx.html#L54'>write-to-stream</a> s2, x2
<span id="L44" class="LineNr">44 </span> tmp <span class="Special"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
<span id="L45" class="LineNr">45 </span> <a href='401test.mu.html#L3'>check</a> tmp, <span class="Constant">"F - test-stream-full?"</span>
<span id="L46" class="LineNr">46 </span><span class="Delimiter">}</span>
<span id="L47" class="LineNr">47 </span>
<span id="L48" class="LineNr">48 </span><span class="PreProc">fn</span> <span class="muTest"><a href='404stream.mu.html#L48'>test-fake-input-buffered-file</a></span> <span class="Delimiter">{</span>
<span id="L49" class="LineNr">49 </span> <span class="PreProc">var</span> foo: (handle buffered-file)
<span id="L50" class="LineNr">50 </span> <span class="PreProc">var</span> foo-ah/eax: (addr handle buffered-file) <span class="Special"><-</span> address foo
<span id="L51" class="LineNr">51 </span> <a href='306files.subx.html#L86'>populate-buffered-file-containing</a> <span class="Constant">"abc"</span>, foo-ah
<span id="L52" class="LineNr">52 </span> <span class="PreProc">var</span> foo-addr/eax: (addr buffered-file) <span class="Special"><-</span> <a href='120allocate.subx.html#L258'>lookup</a> foo
<span id="L53" class="LineNr">53 </span> <span class="PreProc">var</span> s: (stream byte <span class="Constant">0x100</span>)
<span id="L54" class="LineNr">54 </span> <span class="PreProc">var</span> result/<span class="muRegEcx">ecx</span>: (addr stream byte) <span class="Special"><-</span> address s
<span id="L55" class="LineNr">55 </span> <a href='122read-line.subx.html#L9'>read-line-buffered</a> foo-addr, result
<span id="L56" class="LineNr">56 </span> <a href='109stream-equal.subx.html#L194'>check-stream-equal</a> result, <span class="Constant">"abc"</span>, <span class="Constant">"F - test-fake-input-buffered-file"</span>
<span id="L57" class="LineNr">57 </span><span class="Delimiter">}</span>
<span id="L58" class="LineNr">58 </span>
<span id="L59" class="LineNr">59 </span><span class="PreProc">fn</span> <span class="muTest"><a href='404stream.mu.html#L59'>test-fake-output-buffered-file</a></span> <span class="Delimiter">{</span>
<span id="L60" class="LineNr">60 </span> <span class="PreProc">var</span> foo: (handle buffered-file)
<span id="L61" class="LineNr">61 </span> <span class="PreProc">var</span> foo-ah/eax: (addr handle buffered-file) <span class="Special"><-</span> address foo
<span id="L62" class="LineNr">62 </span> <a href='306files.subx.html#L133'>new-buffered-file</a> foo-ah
<span id="L63" class="LineNr">63 </span> <span class="PreProc">var</span> foo-addr/eax: (addr buffered-file) <span class="Special"><-</span> <a href='120allocate.subx.html#L258'>lookup</a> foo
<span id="L64" class="LineNr">64 </span> <a href='116write-buffered.subx.html#L8'>write-buffered</a> foo-addr, <span class="Constant">"abc"</span>
<span id="L65" class="LineNr">65 </span> <span class="PreProc">var</span> s: (stream byte <span class="Constant">0x100</span>)
<span id="L66" class="LineNr">66 </span> <span class="PreProc">var</span> result/<span class="muRegEcx">ecx</span>: (addr stream byte) <span class="Special"><-</span> address s
<span id="L67" class="LineNr">67 </span> <a href='122read-line.subx.html#L9'>read-line-buffered</a> foo-addr, result
<span id="L68" class="LineNr">68 </span> <a href='109stream-equal.subx.html#L194'>check-stream-equal</a> result, <span class="Constant">"abc"</span>, <span class="Constant">"F - test-fake-output-buffered-file"</span>
<span id="L69" class="LineNr">69 </span><span class="Delimiter">}</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|