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Diffstat (limited to 'Doc/ref/ref2.tex')
| -rw-r--r-- | Doc/ref/ref2.tex | 56 |
1 files changed, 22 insertions, 34 deletions
diff --git a/Doc/ref/ref2.tex b/Doc/ref/ref2.tex index 3b6adc8..acced61 100644 --- a/Doc/ref/ref2.tex +++ b/Doc/ref/ref2.tex @@ -1,4 +1,4 @@ -\chapter{Lexical analysis} +\chapter{Lexical analysis\label{lexical}} A Python program is read by a \emph{parser}. Input to the parser is a stream of \emph{tokens}, generated by the \emph{lexical analyzer}. This @@ -33,7 +33,7 @@ set. A Python program is divided into a number of \emph{logical lines}. \index{line structure} -\subsection{Logical Lines} +\subsection{Logical lines} The end of a logical line is represented by the token NEWLINE. Statements cannot @@ -259,17 +259,11 @@ def finally in print Certain classes of identifiers (besides keywords) have special meanings. These are: -\begin{center} -\begin{tabular}{|l|l|} -\hline -Form & Meaning \\ -\hline -\code{_*} & Not imported by \code{from \var{module} import *} \\ -\code{__*__} & System-defined name \\ -\code{__*} & Class-private name mangling \\ -\hline -\end{tabular} -\end{center} +\begin{tableii}{l|l}{code}{Form}{Meaning} +\lineii{_*}{Not imported by \samp{from \var{module} import *}} +\lineii{__*__}{System-defined name} +\lineii{__*}{Class-private name mangling} +\end{tableii} (XXX need section references here.) @@ -322,27 +316,21 @@ to those used by Standard \C{}. The recognized escape sequences are: \index{Standard C} \index{C} -\begin{center} -\begin{tabular}{|l|l|} -\hline -Escape Sequence & Meaning \\ -\hline -\code{\e}\emph{newline} & Ignored \\ -\code{\e\e} & Backslash (\code{\e}) \\ -\code{\e'} & Single quote (\code{'}) \\ -\code{\e"} & Double quote (\code{"}) \\ -\code{\e a} & \ASCII{} Bell (BEL) \\ -\code{\e b} & \ASCII{} Backspace (BS) \\ -\code{\e f} & \ASCII{} Formfeed (FF) \\ -\code{\e n} & \ASCII{} Linefeed (LF) \\ -\code{\e r} & \ASCII{} Carriage Return (CR) \\ -\code{\e t} & \ASCII{} Horizontal Tab (TAB) \\ -\code{\e v} & \ASCII{} Vertical Tab (VT) \\ -\code{\e}\emph{ooo} & \ASCII{} character with octal value \emph{ooo} \\ -\code{\e x}\emph{hh...} & \ASCII{} character with hex value \emph{hh...} \\ -\hline -\end{tabular} -\end{center} +\begin{tableii}{l|l}{code}{Escape Sequence}{Meaning} +\lineii{\e\var{newline}} {Ignored} +\lineii{\e\e} {Backslash (\code{\e})} +\lineii{\e'} {Single quote (\code{'})} +\lineii{\e"} {Double quote (\code{"})} +\lineii{\e a} {\ASCII{} Bell (BEL)} +\lineii{\e b} {\ASCII{} Backspace (BS)} +\lineii{\e f} {\ASCII{} Formfeed (FF)} +\lineii{\e n} {\ASCII{} Linefeed (LF)} +\lineii{\e r} {\ASCII{} Carriage Return (CR)} +\lineii{\e t} {\ASCII{} Horizontal Tab (TAB)} +\lineii{\e v} {\ASCII{} Vertical Tab (VT)} +\lineii{\e\var{ooo}} {\ASCII{} character with octal value \emph{ooo}} +\lineii{\e x\var{hh...}} {\ASCII{} character with hex value \emph{hh...}} +\end{tableii} \index{ASCII@\ASCII{}} In strict compatibility with Standard \C, up to three octal digits are |