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add immutable? to (chibi ast)

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Alex Shinn 2017-04-03 23:15:46 +09:00
parent 1bd9fe437a
commit f3f30f59b6
2 changed files with 7 additions and 1 deletions
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5
lib/chibi/ast.c
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@ -326,6 +326,10 @@ sexp sexp_object_size (sexp ctx, sexp self, sexp_sint_t n, sexp x) {
return sexp_make_fixnum(sexp_type_size_of_object(t, x));
}
sexp sexp_immutablep_op (sexp ctx, sexp self, sexp_sint_t n, sexp x) {
return sexp_pointerp(x) ? sexp_make_boolean(sexp_immutablep(x)) : SEXP_TRUE;
}
sexp sexp_integer_to_immediate (sexp ctx, sexp self, sexp_sint_t n, sexp i, sexp dflt) {
sexp x = (sexp)sexp_unbox_fixnum(i);
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, i);
@ -694,6 +698,7 @@ sexp sexp_init_library (sexp ctx, sexp self, sexp_sint_t n, sexp env, const char
sexp_define_foreign(ctx, env, "env-push!", 3, sexp_env_push_op);
sexp_define_foreign(ctx, env, "core-code", 1, sexp_core_code_op);
sexp_define_foreign(ctx, env, "object-size", 1, sexp_object_size);
sexp_define_foreign(ctx, env, "immutable?", 1, sexp_immutablep_op);
sexp_define_foreign_opt(ctx, env, "integer->immediate", 2, sexp_integer_to_immediate, SEXP_FALSE);
sexp_define_foreign_opt(ctx, env, "object->integer", 1, sexp_object_to_integer, SEXP_FALSE);
sexp_define_foreign(ctx, env, "gc", 0, sexp_gc_op);

3
lib/chibi/ast.sld
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@ -38,7 +38,8 @@
object-size object->integer integer->immediate gc gc-usecs gc-count
atomically thread-list abort
string-contains string-cursor-copy! errno integer->error-string
flatten-dot update-free-vars! setenv unsetenv safe-setenv)
flatten-dot update-free-vars! setenv unsetenv safe-setenv
immutable?)
(import (chibi))
(include-shared "ast")
(include "ast.scm"))