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xwe - Online in the Cloud

Run xwe in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command xwe that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


xwpe, xwe, wpe, we - X-Window Programming Environment

SYNOPSIS


xwpe [ options ] file ...
xwe [ options ] file ...
wpe [ options ] file ...
we [ options ] file ...

DESCRIPTION


Xwpe can be used with or without the programming interface. It has its own X interface
but can be used also on a character terminal. xwpe fires up the X interface together with
the programming interface. xwe is the X version but without the special features of the
programming interface. In connection with a simple character terminal you can use wpe to
program and we as editor.

Xwpe is a X-window programming environment designed for use on UNIX-systems. It is similar
to the 'Borland C++ or Turbo Pascal' environments. The differences between the programming
environments from Borland and xwpe is that many compilers, linkers, and debuggers can be
used in xwpe. Menus and commands are accessible via both the keyboard and mouse.

Errors that occur while compiling and linking a program can be examined in the sources.
The cursor will jump to the corresponding line in the source-file. Programs using more
than one source-file can be managed with the so called "project-option" (see also project-
file). The program can be started from within the Programming-Environment and errors may
be found using a debugger. The debugging-environment allows the user to set and unset
breakpoints directly in the source code. The contents of variables may be displayed in a
special window, the Watch-Window. This window is updated while reaching a breakpoint. The
Stack-Window displays the program stack.

Help is available for xwpe and the man-pages installed on the system may be displayed. All
this can be reached via the help-functions.

The editor may be used to edit up to 35 files at the same time. They are all displayed in
a window of their own. A mouse is used to select special editor functions from the top
menu. These functions can also be selected by hitting a special key or combinations of
keys. Some of these features are a complete search and replace function (yes, it can
search for regular expressions) and a file-manager. The file-manager is used to open,
copy, rename and move or delete files.

The X-window programming environment can be used without the special programming features.
If it is invoked as `xwe' (`we' if used with a character terminal) it can be used as an
editor e.g. for shell-programming.

OPTIONS


-pm The next file is a message-file.

-r Start xwpe in the recover mode. The internal buffers are saved in files with the
postfix `.ESV' in the name if a signal is caught by xwpe (except for SIGKILL). If
the editor is invoked with the `-r' option is specified in the command line, the
old session will be recovered.

-sf file
file will be used instead of the personal option file, $HOME/.xwpe/xwperc.

-so The default options are used. The option file will not be read.

The following standard X command line options are available for the X-Window versions.

-display display
This option specifies the X server to contact; see X(1).

-font font, -fn font
The font to used for the text can be specified with this option. The default is
8x13.

-geometry geometry, -g geometry
This option specifies the preferred size and and position of the editor; see X(1).

-iconic
This indicates that xwpe should ask the window manager to start as icon rather than
a normal window.

-pcmap This starts xwpe with a private colormap.

INVOCATION


On startup (subject to the -sf and -so options), xwpe reads the personal initialization
file $HOME/.xwpe/xwperc. If no such file exists, the system wide initialization file,
/usr/local/lib/xwpe/xwperc, is read. If neither file exists, the default options will be
used.

xwperc is a text file written by the programming environment. Although modification by
hand is possible comments will be erased if the options are latter saved from within xwpe.

RESOURCES


The following resources are available. The application name is either "xwe" or "xwpe".
Both belong to the "Xwpe" class.

font (class Font)
Specifies the name of the font to use. The default is ``8x13.''

geometry (class Geometry)
Specifies the preferred size and position of the editor. Sizes of less than 80 x
25 are ignored.

color1 (class Color1)

...

color16 (class Color16)
xwpe uses 16 colors. The default setting is similar to the PC-color set.

SYNTAX-SUPPORT:


Xwpe supports the syntax of a language by using different colors to display keywords,
constants, preprocessor, comments, operators and everything else. This support is defined
already for the programming languages C, C++, and FORTRAN. More languages can be added to
the user's syntax definition file, $HOME/.xwpe/syntax_def. The syntax of any predefined
language can also be overridden. If no personal syntax definition file exists, the system
definition file, /usr/local/lib/xwpe/syntax_def, will be used.

Each syntax highlighting is distinguished by the file extension. The syntax_def uses the
following format for language definition.
"string: The postfix for the filename."
"integer: The number of keywords."
"strings: The keywords."
"integer: Number of operators with more than one
character length."
"strings: Operators with more than one character
length."
"string: Operators containing one character."
"string: Beginning of comment"
"string: End of comment"
"string: Beginning of comment reaching until the end
of the line."
"string: Characters used for comments depending on the
column."
"string: Special single characters."
"integer: Column for comments (-1 for none)."
"integer: Column for continuing line (-1 for none)"
"Integer: Column for comment till the end of line (1000
for none)"
Strings and integers are separated by blanks or carriage returns. The strings used for
single character operators and for column depending comments must not contain blanks. All
strings used for comments can contain NULL to indicate that there is no such comment. An
integer can be zero if there is no keyword or multiple character operators. The string
for special single characters contains the following fields:
Character for string-constants
Character for character-constants
Character for preprocessor-commands
Character for quoting the next character
Character for next line is continuing line
(if it is the last character in the line)
Character (if not empty: the language is not
case sensitive)
If one character is not defined (e.g. missing) a blank is inserted at the corresponding
position.

An example:

.c
32
auto break case char const continue default do
double else enum extern float for goto if int
long register return short signed sizeof static
struct switch typedef union unsigned void volatile
while
0
~^()[]{}<>+-/*%=|&!.?:,; /* */ NULL NULL "'#\ -1 -1 1000

.f
64
ACCESS ASSIGN BACKSPACE BLANK BLOCKDATA CALL CHARACTER
CLOSE COMMON COMPLEX CONTINUE DATA DIMENSION DIRECT DO
DOUBLE PRECISION ELSE END ENDFILE ENTRY EQUIVALENCE ERR
EXIST EXTERNAL FILE FMT FORM FORMAT FORMATTED FUNCTION
GOTO IF IMPLICIT INQUIRE INTEGER INTRINSIC IOSTAT
LOGICAL NAME NAMED NEXTREC NUMBER OPEN OPENED
PARAMETER PAUSE PRINT PROGRAM READ REAL REC RECL
RETURN REWIND SAVE SEQUENTIAL STATUS STOP SUBROUTINE
TO UNFORMATED UNIT WRITE
13
.AND. .EQ. .EQV. .FALSE. .GE. .GT. .LE. .LT. .NE.
.NEQV. .NOT. .OR. .TRUE.
()+-/*=$.:, NULL NULL ! C* ' 1 0 5 72

COPYRIGHTS


Copyright (C) 1993 Fred Kruse Xwpe is free. Anyone may redistribute copies of xwpe to
anyone under the terms stated in the GNU General Public License. The author assumes no
responsibility for errors or omissions or damages resulting from the use of xwpe or this
manual.

MAINTAINER


Send questions or problems to Dennis Payne, dulsi@identicalsoftware.com.

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