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Adding note about the derived syntax definition of quote. It makes

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compilation slightly but noticeably slower and is inconvenient, so
leaving as a core form for now.
This commit is contained in:
Alex Shinn 2013-04-09 21:46:29 +09:00
parent 2e63b2be00
commit 83f8cfd69b
1 changed files with 8 additions and 0 deletions
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8
eval.c
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@ -1811,6 +1811,14 @@ sexp sexp_define_foreign_param (sexp ctx, sexp env, const char *name,
/*********************** standard environment *************************/
/* The 10 core forms. Note quote can be defined as derived syntax: */
/* (define-syntax quote */
/* (lambda (expr use-env mac-env) */
/* (list */
/* (make-syntactic-closure mac-env (list) (syntax-quote syntax-quote)) */
/* (strip-syntactic-closures (car (cdr expr)))))) */
static struct sexp_core_form_struct core_forms[] = {
{SEXP_CORE_DEFINE, (sexp)"define"},
{SEXP_CORE_SET, (sexp)"set!"},