The basic file type in VLISP is the
AutoLISP source file. Typically, AutoLISP source files are named
with an .lsp file extension. You have seen
.lsp files
used frequently in previous chapters.
The FAS (.fas) file type
was introduced in the previous chapter,
Building Applications FAS
files are compiled AutoLISP files. These files load faster than
AutoLISP source files and are more secure because their contents
are not intelligible to users.
Here is a brief summary of the types of files
used by the VLISP project management feature:
Visual
LISP project file types
|
File ext.
|
Type of
file
|
Function
|
.fas
|
Compiled
AutoLISP code
|
Compiled AutoLISP programs. May be loaded and
run, or compiled into VLX modules
|
.lsp
|
AutoLISP
source code
|
Program source files
|
.ob
|
Object
code
|
Used internally
by VLISP, these files contain compiled AutoLISP code used in building
FAS files
|
.pdb
|
Project
database
|
Used
internally by VLISP, these files contain symbol information used
by the compiler
|
.prj
|
Project
definition
|
Contains the location and names of all
source files that build the project, as well as certain parameters
and rules on how to create the final FAS files
|
In
addition to the files recognized by the project manager, VLISP either
creates, processes, or recognizes a number of additional types of
files, as summarized below:
Additional
Visual LISP file types
|
File ext.
|
Type of
file
|
Function
|
.dsk
|
Desktop
save
|
Contains
VLISP environment and window settings. (Note: Editing this file
may permanently change the VLISP environment. Do not edit this file
without creating a backup copy first.)
|
._xx
|
Backup
files
|
Backup
copies of edited files, maintained by the VLISP editor. Backup files
contain the same name as the original, except that the file extension
begins with the underline character (_) and is followed by the first
two characters of the original file's extension. For example, the
backup file of a LSP file has an ._LS extension;
the backup of a DCL file has a ._DC extension.
|
.vlx
|
Stand-alone
applications
|
Stand-alone AutoCAD applications,
which can be created using the VLISP Make Application wizard.
|
.c, .cpp, .cch, .hpp, .hh
|
Language
source files
|
Contain
program source code. The VLISP editor recognizes the syntax of these
files and color-codes reserved words, strings, and numbers.
|
.dcl
|
Dialog
control language
|
Contains
definitions of AutoCAD dialog boxes. VLISP can preview these
files, and you can include them in Visual LISP executable (VLX) files.
|
.prv
|
Make application
|
Defines
the files and options used to build a VLX application with the VLISP
Make Application wizard.
|
.sql
|
Structured
query language
|
Contains
SQL statements. The VLISP text editor recognizes this file type
and color-codes the text according to SQL syntax rules.
|
