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* macros.c: Doc patches from Richard Kim. Pasted from scm.texi.

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Greg J. Badros 2000-02-07 17:08:07 +00:00
parent 9dbcf01033
commit 07f7f249e5
1 changed files with 27 additions and 3 deletions
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30
libguile/macros.c
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@ -54,7 +54,9 @@ long scm_tc16_macro;
SCM_DEFINE (scm_makacro, "procedure->syntax", 1, 0, 0,
(SCM code),
"")
"Returns a @dfn{macro} which, when a symbol defined to this value\n"
"appears as the first symbol in an expression, returns the result\n"
"of applying @var{code} to the expression and the environment.")
#define FUNC_NAME s_scm_makacro
{
SCM_VALIDATE_PROC (1,code);
@ -65,7 +67,18 @@ SCM_DEFINE (scm_makacro, "procedure->syntax", 1, 0, 0,
SCM_DEFINE (scm_makmacro, "procedure->macro", 1, 0, 0,
(SCM code),
"")
"Returns a @dfn{macro} which, when a symbol defined to this value\n"
"appears as the first symbol in an expression, evaluates the result\n"
"of applying @var{code} to the expression and the environment.\n"
"The value returned from @var{code} which has been passed to\n"
"@code{procedure->memoizing-macro} replaces the form passed to\n"
"@var{code}. For example:\n\n"
"@example\n"
"(define trace\n"
" (procedure->macro\n"
" (lambda (x env) `(set! ,(cadr x) (tracef ,(cadr x) ',(cadr x))))))\n\n"
"(trace @i{foo}) @equiv{} (set! @i{foo} (tracef @i{foo} '@i{foo})).\n"
"@end example\n")
#define FUNC_NAME s_scm_makmacro
{
SCM_VALIDATE_PROC (1,code);
@ -76,7 +89,18 @@ SCM_DEFINE (scm_makmacro, "procedure->macro", 1, 0, 0,
SCM_DEFINE (scm_makmmacro, "procedure->memoizing-macro", 1, 0, 0,
(SCM code),
"")
"Returns a @dfn{macro} which, when a symbol defined to this value\n"
"appears as the first symbol in an expression, evaluates the result\n"
"of applying @var{proc} to the expression and the environment.\n"
"The value returned from @var{proc} which has been passed to\n"
"@code{procedure->memoizing-macro} replaces the form passed to\n"
"@var{proc}. For example:\n\n"
"@example\n"
"(define trace\n"
" (procedure->macro\n"
" (lambda (x env) `(set! ,(cadr x) (tracef ,(cadr x) ',(cadr x))))))\n\n"
"(trace @i{foo}) @equiv{} (set! @i{foo} (tracef @i{foo} '@i{foo})).\n"
"@end example\n")
#define FUNC_NAME s_scm_makmmacro
{
SCM_VALIDATE_PROC (1,code);