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Daniel Kochmański 6aa02de4c4 compiler: better checking whether a variable may be introduced 
Previously c1make-var checked whether the symbol NAME is CONSTANTP, but
ECL expands symbol macros in CONSTANTP so this returned false positives.
A similar concern applied to the CMP-ENV-REGISTER-SYMBOL-MACRO-FUNCTION.

C1EXPR-INNER when encountered a symbol tried to yield C1CONSTANT-VALUE
for if it iwas CONSTANTP - this was correct except for that we didn't
pass the environment to the predicate and symbols weren't shadowed.

In this commit one function is added to the core - si:constp (with
similar purpose to si:specialp) and one function to the compiler -
constant-variable-p (similar to special-variable-p) and they are
appropriately used when necessary. A regression test is added.

Fixes #662.
2021-11-19 11:56:23 +01:00
contrib contrib/unicode: improve ucd table generating code 2021-05-07 21:09:08 +02:00
examples more details added, and examples adjusted 2021-06-10 14:33:08 +01:00
msvc multithreading: replace various synchronization objects by native mutexes 2021-08-29 17:23:20 +02:00
src compiler: better checking whether a variable may be introduced 2021-11-19 11:56:23 +01:00
.gitignore cmp: read msvc output in using the correct encoding 2020-08-02 10:55:25 +02:00
.gitlab-ci.yml Add .gitlab-ci.yml 2017-01-11 18:30:33 +00:00
appveyor.yml Add simple appveyor msvc build 2017-05-13 00:12:13 +02:00
CHANGELOG Update changelog and add tests for condition readers 2021-10-05 05:46:37 -04:00
configure Preserve quoting when passing the arguments to the build directory 2008-08-27 09:50:44 +02:00
COPYING cosmetic: rename LGPL->COPYING 2016-10-08 14:24:31 +02:00
INSTALL config-internal.h: automatically set ECL_C_COMPATIBLE_VARIADIC_DISPATCH for apple/arm64 2021-01-29 19:46:01 +01:00
LICENSE copyright: add Marius to the maintainer list. 2019-02-22 18:43:37 +00:00
Makefile.in doc: set new doc as standard documentation 2019-01-03 19:14:28 +01:00
README.md update readme (typos) 2015-08-31 08:22:52 +00:00

README.md

ECL stands for Embeddable Common-Lisp. The ECL project aims to produce an implementation of the Common-Lisp language which complies to the ANSI X3J13 definition of the language.

The term embeddable refers to the fact that ECL includes a Lisp to C compiler, which produces libraries (static or dynamic) that can be called from C programs. Furthermore, ECL can produce standalone executables from Lisp code and can itself be linked to your programs as a shared library. It also features an interpreter for situations when a C compiler isn't available.

ECL supports the operating systems Linux, FreeBSD, NetBSD, DragonFly BSD, OpenBSD, Solaris (at least v. 9), Microsoft Windows (MSVC, MinGW and Cygwin) and OSX, running on top of the Intel, Sparc, Alpha, ARM and PowerPC processors. Porting to other architectures should be rather easy.