diff options
| -rw-r--r-- | buf.c | 2 | ||||
| -rw-r--r-- | txr.1 | 59 |
2 files changed, 61 insertions, 0 deletions
@@ -1075,6 +1075,8 @@ void buf_init(void) reg_fun(intern(lit("length-buf"), user_package), func_n1(length_buf)); reg_fun(intern(lit("buf-alloc-size"), user_package), func_n1(buf_alloc_size)); reg_fun(intern(lit("copy-buf"), user_package), func_n1(copy_buf)); + reg_fun(intern(lit("sub-buf"), user_package), func_n3(sub_buf)); + reg_fun(intern(lit("replace-buf"), user_package), func_n4(replace_buf)); #if HAVE_I8 reg_fun(intern(lit("buf-put-i8"), user_package), func_n3(buf_put_i8)); @@ -26873,6 +26873,13 @@ object, then the function behaves like If .meta sequence +is a +.code buf +object, then the function behaves like +.codn buf-sub . + +If +.meta sequence is a structure, it must support the .code lambda method. The @@ -27051,6 +27058,15 @@ behaves like If .meta sequence +is a +.code buf +object, then +.code replace +behaves like +.codn buf-replace . + +If +.meta sequence is a structure, then the structure must support the .code lambda-set method. The @@ -59542,6 +59558,49 @@ which has the same length and contents, and compares to .metn buf . +.coNP Function @ sub-buf +.synb +.mets (sub-buf < buf >> [ from <> [ to ]]) +.syne +.desc +The +.code sub-buf +function has the same semantics as the +.code sub +function, except that the first argument must be a buffer. + +The extracted sub-range of a buffer is itself a buffer object. + +For a description of the arguments and semantics, refer to the +.code sub +function. + +.coNP Function @ replace-buf +.synb +.mets (replace-buf < buf < item-sequence >> [ from <> [ to ]]) +.syne +.desc +The +.code replace-buf +function has the same semantics as the +.code replace +function, except that the first argument must be a buffer. + +The elements of +.code item-sequence +are stored into +.meta buf +as if using the +.code buf-put-u8 +function and therefore must be suitable +.meta val +arguments for that function. + +The of the arguments, semantics and return value given for +.code replace +apply to +.codn replace-buf . + .coNP Function @ buf-put-i8 .synb .mets (buf-put-i8 < buf < pos << val ) |