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@@ -1,22 +1,47 @@ -This is Lua 1.0. It was never publicly released. This code is a snapshot of -the status of Lua on 28 Jul 1993. It is distributed for historical curiosity -to celebrate 10 years of Lua and is hereby placed in the public domain. +* What is Lua? + Lua is a simple, yet powerful, language for extending applications. + Lua has been developed by TeCGraf, the Computer Graphics Technology Group + of PUC-Rio, the Pontifical Catholic University of Rio de Janeiro, Brazil. + Dozens of industrial products developed by TeCGraf use Lua. -There is no documentation, except the test programs. The manual for Lua 1.1 -probably works for this version as well. +* Some features of Lua + Lua has a simple, pascal-like, syntax. + Variables need no declaration, but Lua has user-controlled type constructors. + Lua has powerful data description constructs (e.g., associative arrays). + Functions can receive a variable number of arguments and can return multiple + values. + Lua programs are compiled into bytecodes, which are then interpreted to + simulate a virtual machine. + Lua is written in ANSI C and is completely portable. -The source files for the lexer and parser have been lost: all that is left is -the output of lex and yacc. A grammar can be found inside y_tab.c in yyreds. +* Coming soon + Object-oriented extensions. + Lazy evaluation. -The code compiles and runs in RedHat 5.2 with gcc 2.7.2.3. It may not run in -newer systems, because it assumes that stdin and stdout are constants, though -ANSI C does not promise they are. If make fails, try using the fixed modules -provided in the "fixed" directory. To see the differences (which are really -quite minor), do "make diff". +* Installing + To make, simply type domake. + If make succeeds, you get an interpreter in ./bin/lua. + The libraries are in ./lib. The include files are in ./include. + You don't need the other directories for development. + There is documentation in ./doc and tests in ./test. + The documentation includes a reference manual and an article on the + design and implementation of Lua. + This distribution is biased towards SunOS 4 with gcc but it is simple to + change the Makefiles for other systems. -To see Lua 1.0 in action, do "make test". (The last test raises an error on -purpose.) +* Legal matters + Lua is not in the public domain; TeCGraf keeps its copyright. + Nevertheless, Lua is freely available for academic purposes by anonymous ftp + at ftp.icad.puc-rio.br:/pub/lua/lua-1.1.tar.Z. + For commercial purposes, please contact us. -Enjoy! +* Contacting the authors + Send your comments, bug reports and anything else to lhf@icad.puc-rio.br. + Please send me email if you download Lua so that we can know how far it goes. --- The Lua team, lua@tecgraf.puc-rio.br +-- +Luiz Henrique de Figueiredo email: lhf@icad.puc-rio.br +TeCGraf-Grupo de Tecnologia em Computacao Grafica, ITS, PUC-Rio +Rua Marques de Sao Vicente 225 voice: +55 21 529-9424 +22453-900 Rio de Janeiro, RJ, Brasil fax: +55 21 511-5645 +-- |