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% vim: set spelllang=nl:
\subsection{\texttt{Push}}
\label{sec:rules:push}
\begin{quote}
"text" - Places the string on top of the stack (without the quotes). The string
may include the following escape sequences: newline, the " - character and the $\backslash$ - character
\end{quote}
De string tussen de quotes word op de stack gezet. Eerst word er nog gecontroleerd op newlines, "-characters en $\backslash$ characters. Dit gaat doormiddel van de hulpfunctie unescape.
Dit geeft de volgende regel:
$$
\begin{prooftree}
\trans
{\pgm}{\ip}{(\push(\unescape(String)\stk), \str)}
{\ip}{\op}{\st}
\justifies
\trans
{\StmPush<String>:\pgm}{\ip}{(\stk,\str)}
{\ip}{\op}{\st}
\using{\rpushns}
\qquad
\end{prooftree}
$$
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