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Oct 19, 2020
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update list of compiler phases #1791

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update list of compiler phases
Jasper-M Oct 2, 2020
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add bash magic as comment
Jasper-M Oct 2, 2020
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95 changes: 54 additions & 41 deletions _overviews/compiler-options/index.md
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Original file line number Diff line number Diff line change
Expand Up @@ -122,67 +122,80 @@ scalacOptions ++= Seq(
### Compilation Phases

<dl class="definition-list">
<dt>initial</dt>
<dd>initializing compiler</dd>

<dt>parse</dt>
<dd>parse source files</dd>
<!--
Generated with GNU sed:
scalac -Vphases | tail -n+3 | sed -rn 's|^\s*([a-z]+)\s+[0-9]+\s+([a-z@].+)$|<dt>\1</dt>\n<dd>\2</dd>\n|p'
-->
<dt>parser</dt>
<dd>parse source into ASTs, perform simple desugaring</dd>

<dt>namer</dt>
<dd>create symbols</dd>
<dd>resolve names, attach symbols to named trees</dd>

<dt>packageobjects</dt>
<dd>load package objects</dd>

<dt>typer</dt>
<dd>the meat and potatoes: type the trees</dd>

<dt>superaccessors</dt>
<dd>add super accessors in traits and nested classes</dd>

<dt>extmethods</dt>
<dd>add extension methods for inline classes</dd>

<dt>pickler</dt>
<dd>serialize symbol tables</dd>

<dt>analyze</dt>
<dd>name and type analysis</dd>
<dt>refchecks</dt>
<dd>reference/override checking, translate nested objects</dd>

<dt>refcheck</dt>
<dd>reference checking</dd>
<dt>patmat</dt>
<dd>translate match expressions</dd>

<dt>uncurry</dt>
<dd>uncurry function types and applications</dd>
<dd>uncurry, translate function values to anonymous classes</dd>

<dt>lambdalift</dt>
<dd>lambda lifter</dd>
<dt>fields</dt>
<dd>synthesize accessors and fields, add bitmaps for lazy vals</dd>

<dt>typesasvalues</dt>
<dd>represent types as values</dd>
<dt>tailcalls</dt>
<dd>replace tail calls by jumps</dd>

<dt>addaccessors</dt>
<dd>add accessors for constructor arguments</dd>
<dt>specialize</dt>
<dd>@specialized-driven class and method specialization</dd>

<dt>explicitouterclasses</dt>
<dd>make links from inner classes to enclosing one explicit</dd>
<dt>explicitouter</dt>
<dd>this refs to outer pointers</dd>

<dt>addconstructors</dt>
<dd>add explicit constructor for each class</dd>
<dt>erasure</dt>
<dd>erase types, add interfaces for traits</dd>

<dt>tailcall</dt>
<dd>add tail-calls</dd>
<dt>posterasure</dt>
<dd>clean up erased inline classes</dd>

<dt>wholeprog</dt>
<dd>perform whole program analysis</dd>
<dt>lambdalift</dt>
<dd>move nested functions to top level</dd>

<dt>addinterfaces</dt>
<dd>add one interface per class</dd>
<dt>constructors</dt>
<dd>move field definitions into constructors</dd>

<dt>expandmixins</dt>
<dd>expand mixins by code copying</dd>
<dt>flatten</dt>
<dd>eliminate inner classes</dd>

<dt>boxing</dt>
<dd>makes boxing explicit</dd>
<dt>mixin</dt>
<dd>mixin composition</dd>

<dt>erasure</dt>
<dd>type eraser</dd>
<dt>cleanup</dt>
<dd>platform-specific cleanups, generate reflective calls</dd>

<dt>icode</dt>
<dd>generate icode</dd>
<dt>delambdafy</dt>
<dd>remove lambdas</dd>

<dt>codegen</dt>
<dd>enable code generation</dd>
<dt>jvm</dt>
<dd>generate JVM bytecode</dd>

<dt>terminal</dt>
<dd>compilation terminated</dd>

<dt>all</dt>
<dd>matches all phases</dd>
<dd>the last phase during a compilation run</dd>
</dl>