templeos-info/public/Wb/Doc/Hash.DD.HTML

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<a name="l1"></a><span class=cFA>/* Graphics Not Rendered in HTML */</span><span class=cF0>
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<a name="l28"></a>There is a symbol (hash) table for each task.  When a sym is not found, the 
<a name="l29"></a>parent task's sym table is checked.  All tasks chain back to the </span><span class=cF2>Adam</span><span class=cF0> task.
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<a name="l31"></a>TempleOS sym tables are implemented with an array of linked-lists.  A num is 
<a name="l32"></a>generated from a string by </span><a href="/Wb/Kernel/KHashA.HC.HTML#l254"><span class=cF4>HashStr</span></a><span class=cF0>() to index into the array of linked-lists.  
<a name="l33"></a>Multiple strings can generate the same num, so linked-lists are built.  Newer 
<a name="l34"></a>entries overshadow older ones.
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<a name="l36"></a>There are various types of entries.  See </span><a href="/Wb/Kernel/KernelA.HH.HTML#l686"><span class=cF4>Hash Entry Types</span></a><span class=cF0>.
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<a name="l38"></a></span><span class=cF5>Symbol Look-up</span><span class=cF0> (Used many places including the </span><a href="/Wb/Compiler/Lex.HC.HTML#l499"><span class=cF4>JIT Compiler</span></a><span class=cF0> and </span><a href="/Wb/Kernel/KLoad.HC.HTML#l19"><span class=cF4>Loader</span></a><span class=cF0>.)
<a name="l39"></a>1) Symbol name is </span><a href="/Wb/Kernel/KHashA.HC.HTML#l4"><span class=cF4>hashed</span></a><span class=cF0> by adding and shifting the ASCII of all chars.
<a name="l40"></a>2) </span><a href="/Wb/Kernel/KernelA.HH.HTML#l647"><span class=cF4>hash table</span></a><span class=cF0>-&gt;body[] array is indexed.
<a name="l41"></a>3) Linked-lst is traversed until match of text and type of entry.
<a name="l42"></a>4) If not found, </span><a href="/Wb/Kernel/KernelA.HH.HTML#l647"><span class=cF4>hash table</span></a><span class=cF0>-&gt;next table is searched.
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<a name="l44"></a>Duplicate entries are allowed -- they overshadow old entries.
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<a name="l46"></a></span><span class=cF5>Address-to-Symbol Look-up</span><span class=cF0> (Slow because not important. We could use trees.)
<a name="l47"></a>1) FunSeg Cache is </span><a href="/Wb/Kernel/FunSeg.HC.HTML#l114"><span class=cF4>scanned</span></a><span class=cF0>.
<a name="l48"></a>2) Hash Tables are </span><a href="/Wb/Kernel/FunSeg.HC.HTML#l54"><span class=cF4>scanned</span></a><span class=cF0>.
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Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`<!DOCTYPE html>`
			`<html lang="en">`
			`<head>`
			`<meta charset="UTF-8">`
			`<meta name="generator" content="TempleOS V5.03">`
Remove initial-scale=0 from viewport tag 2024-03-23 15:41:41 +00:00			`<meta name="viewport" content="width=device-width">`
Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`<link rel="stylesheet" href="/style/templeos.css">`
			`<script src="/script/templeos.js"></script>`
			`<style type="text/css">`
			`.cF0{color:#000000;background-color:#ffffff;}`
			`.cF1{color:#0000aa;background-color:#ffffff;}`
			`.cF2{color:#00aa00;background-color:#ffffff;}`
			`.cF3{color:#00aaaa;background-color:#ffffff;}`
			`.cF4{color:#aa0000;background-color:#ffffff;}`
			`.cF5{color:#aa00aa;background-color:#ffffff;}`
			`.cF6{color:#aa5500;background-color:#ffffff;}`
			`.cF7{color:#aaaaaa;background-color:#ffffff;}`
			`.cF8{color:#555555;background-color:#ffffff;}`
			`.cF9{color:#5555ff;background-color:#ffffff;}`
			`.cFA{color:#55ff55;background-color:#ffffff;}`
			`.cFB{color:#55ffff;background-color:#ffffff;}`
			`.cFC{color:#ff5555;background-color:#ffffff;}`
			`.cFD{color:#ff55ff;background-color:#ffffff;}`
			`.cFE{color:#ffff55;background-color:#ffffff;}`
			`.cFF{color:#ffffff;background-color:#ffffff;}`
			`</style>`
			`</head>`
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Fix width on mobile, use ID instead of inline styling 2024-03-24 10:10:31 +00:00			`<pre id="content">`
Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`<a name="l1"></a><span class=cFA>/* Graphics Not Rendered in HTML */</span><span class=cF0>`
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			`<a name="l28"></a>There is a symbol (hash) table for each task. When a sym is not found, the`
			`<a name="l29"></a>parent task's sym table is checked. All tasks chain back to the </span><span class=cF2>Adam</span><span class=cF0> task.`
			`<a name="l30"></a>`
			`<a name="l31"></a>TempleOS sym tables are implemented with an array of linked-lists. A num is`
Use HTML for Holyc files as well 2024-03-24 21:24:44 +00:00			`<a name="l32"></a>generated from a string by </span><a href="/Wb/Kernel/KHashA.HC.HTML#l254"><span class=cF4>HashStr</span></a><span class=cF0>() to index into the array of linked-lists.`
Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`<a name="l33"></a>Multiple strings can generate the same num, so linked-lists are built. Newer`
			`<a name="l34"></a>entries overshadow older ones.`
			`<a name="l35"></a>`
Use HTML for Holyc files as well 2024-03-24 21:24:44 +00:00			`<a name="l36"></a>There are various types of entries. See </span><a href="/Wb/Kernel/KernelA.HH.HTML#l686"><span class=cF4>Hash Entry Types</span></a><span class=cF0>.`
Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`<a name="l37"></a>`
Use HTML for Holyc files as well 2024-03-24 21:24:44 +00:00			`<a name="l38"></a></span><span class=cF5>Symbol Look-up</span><span class=cF0> (Used many places including the </span><a href="/Wb/Compiler/Lex.HC.HTML#l499"><span class=cF4>JIT Compiler</span></a><span class=cF0> and </span><a href="/Wb/Kernel/KLoad.HC.HTML#l19"><span class=cF4>Loader</span></a><span class=cF0>.)`
			`<a name="l39"></a>1) Symbol name is </span><a href="/Wb/Kernel/KHashA.HC.HTML#l4"><span class=cF4>hashed</span></a><span class=cF0> by adding and shifting the ASCII of all chars.`
			`<a name="l40"></a>2) </span><a href="/Wb/Kernel/KernelA.HH.HTML#l647"><span class=cF4>hash table</span></a><span class=cF0>->body[] array is indexed.`
Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`<a name="l41"></a>3) Linked-lst is traversed until match of text and type of entry.`
Use HTML for Holyc files as well 2024-03-24 21:24:44 +00:00			`<a name="l42"></a>4) If not found, </span><a href="/Wb/Kernel/KernelA.HH.HTML#l647"><span class=cF4>hash table</span></a><span class=cF0>->next table is searched.`
Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`<a name="l43"></a>`
			`<a name="l44"></a>Duplicate entries are allowed -- they overshadow old entries.`
			`<a name="l45"></a>`
			`<a name="l46"></a></span><span class=cF5>Address-to-Symbol Look-up</span><span class=cF0> (Slow because not important. We could use trees.)`
Use HTML for Holyc files as well 2024-03-24 21:24:44 +00:00			`<a name="l47"></a>1) FunSeg Cache is </span><a href="/Wb/Kernel/FunSeg.HC.HTML#l114"><span class=cF4>scanned</span></a><span class=cF0>.`
			`<a name="l48"></a>2) Hash Tables are </span><a href="/Wb/Kernel/FunSeg.HC.HTML#l54"><span class=cF4>scanned</span></a><span class=cF0>.`
Use TempleOS built-in HTML generator instead 2024-03-16 16:25:48 +00:00			`</span></pre></body>`
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