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JSSpecCompiler: Parse true, false, this, undefined, and null

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This commit is contained in:
Dan Klishch 2024-01-20 21:41:38 -05:00 • committed by Andrew Kaster
parent 86d54a8684
commit b800276347
7 changed files with 70 additions and 3 deletions
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20
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Tests/spec-parsing.xml
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@ -13,4 +13,24 @@
</ol>
</emu-alg>
</emu-clause>
<emu-clause id="2" aoid="WellKnownConstants">
<h1><span class="secnum">2</span> WellKnownConstants ( <var>a</var> )</h1>
<emu-alg>
<ol>
<li>
If <var>a</var> is <emu-val>undefined</emu-val>, then
<ol>
<li>Let <var>b</var> be <emu-val>null</emu-val>.</li>
<li>Return <emu-val>true</emu-val>.</li>
</ol>
</li>
<li>Else,
<ol>
<li>Let <var>c</var> be <emu-val>this</emu-val>.</li>
<li>Return <emu-val>false</emu-val>.</li>
</ol>
</li>
</ol>
</emu-alg>
</emu-clause>
</specification>

19
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Tests/spec-parsing.xml.expectation
View file

@ -27,3 +27,22 @@ TreeList
Var d
Var e
WellKnownConstants(a):
TreeList
IfElseIfChain
IsOneOf
Var a
WellKnownNode Undefined
TreeList
BinaryOperation Assignment
Var b
WellKnownNode Null
ReturnNode
WellKnownNode True
TreeList
BinaryOperation Assignment
Var c
WellKnownNode This
ReturnNode
WellKnownNode False