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basic: doc

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minjaesong
2020-12-21 23:10:21 +09:00
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assets/tbas/doc/technical.tex
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@@ -23,7 +23,7 @@ Typical User Input & TYPEOF(\textbf{Q}) & Instanceof \\
\section{Unresolved Values}
Unresolved variables has JS-object of \code{troType}, with \emph{instanceof} \code{SyntaxTeeReturnObj}. Its properties are defined as follows:
Unresolved variables has JS-object of \code{troType}, with \emph{instanceof} \code{SyntaxTreeReturnObj}. Its properties are defined as follows:
\begin{tabulary}{\textwidth}{RL}
Properties & Description \\
@@ -39,19 +39,19 @@ Following table shows which BASIC object can have which \code{troType}:
BASIC Type & troType \\
\hline
Any Variable & {\ttfamily lit} \\
DEFUN'd Function & {\ttfamily function} \\
Boolean & {\ttfamily bool} \\
Generator & {\ttfamily generator} \\
Array & {\ttfamily array} \\
Number & {\ttfamily num} \\
String & {\ttfamily string} \\
DEFUN'd Function & {\ttfamily internal\_lambda} \\
Array Indexing & {\ttfamily internal\_arrindexing\_lazy} \\
Assignment & {\ttfamily internal\_assignment\_object} \\
\end{tabulary}
\subsection*{Notes}
\begin{itemlist}
\item All type that is not \code{lit} only appear when the statement returns such values, e.g. \code{function} only get returned by DEFUN statements as the statement itself returns defined function as well as assign them to given BASIC variable.
\item All type that is not \code{lit} only appear when the statement returns such values, e.g. \code{internal\_lambda} only get returned by DEFUN statements as the statement itself returns defined function as well as assign them to given BASIC variable.
\item As all variables will have \code{troType} of \code{lit} when they are not resolved, the property must not be used to determine the type of the variable; you must \code{resolve} it first.
\item The type string \code{function} should not appear outside of TRO and \code{astType}; if you do see them in the wild, please check your JS code because you probably meant \code{usrdefun}.
\end{itemlist}