diff options
author | Daniel Kraft <d@domob.eu> | 2009-06-29 13:16:27 +0200 |
---|---|---|
committer | Daniel Kraft <d@domob.eu> | 2009-06-29 13:16:27 +0200 |
commit | 4530432e0160fd677fb19078a8d139677e88fb91 (patch) | |
tree | 1f0371e9189b9221808b169cd762863f2c4a2777 /libguile/vm-i-system.c | |
parent | 46abd569d545d07a05e0bdbbe16750c31dd7140e (diff) | |
download | guile-4530432e0160fd677fb19078a8d139677e88fb91.tar.gz |
Added make-nil instruction to VM and use it for Emacs' nil in the compiler.
* doc/ref/vm.texi: Document new instruction.
* libguile/vm-i-system.c: Add it to the VM.
* module/language/assembly.scm: Compile (const %nil) to (make-nil) assembly.
* module/language/glil/decompile-assembly.scm: Handle (make-nil)
* module/language/elisp/compile-tree-il.scm: Use (const %nil) for nil.
Diffstat (limited to 'libguile/vm-i-system.c')
-rw-r--r-- | libguile/vm-i-system.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libguile/vm-i-system.c b/libguile/vm-i-system.c index d55d6e218..03d0c1711 100644 --- a/libguile/vm-i-system.c +++ b/libguile/vm-i-system.c @@ -107,6 +107,12 @@ VM_DEFINE_INSTRUCTION (8, make_false, "make-false", 0, 0, 1) NEXT; } +VM_DEFINE_INSTRUCTION (57, make_nil, "make-nil", 0, 0, 1) +{ + PUSH (SCM_ELISP_NIL); + NEXT; +} + VM_DEFINE_INSTRUCTION (9, make_eol, "make-eol", 0, 0, 1) { PUSH (SCM_EOL); |