spill out mutable-string nitro

This commit is contained in:
Yuichi Nishiwaki 2014-09-21 15:33:52 +09:00
parent 92e0961bb7
commit 6556a2ec1d
5 changed files with 99 additions and 5 deletions

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@ -0,0 +1,5 @@
file(GLOB PICRIN_MUTABLE_STRING_SOURCES
${PROJECT_SOURCE_DIR}/contrib/03.mutable-string/*.c)
list(APPEND PICRIN_CONTRIB_INITS mutable_string)
list(APPEND PICRIN_CONTRIB_SOURCES ${PICRIN_MUTABLE_STRING_SOURCES})

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@ -0,0 +1,91 @@
#include "picrin.h"
#include "picrin/string.h"
void
pic_str_set(pic_state *pic, pic_str *str, size_t i, char c)
{
pic_str *x, *y, *z, *tmp;
if (pic_strlen(str) <= i) {
pic_errorf(pic, "index out of range %d", i);
}
x = pic_substr(pic, str, 0, i);
y = pic_make_str_fill(pic, 1, c);
z = pic_substr(pic, str, i + 1, pic_strlen(str));
tmp = pic_strcat(pic, x, pic_strcat(pic, y, z));
XROPE_INCREF(tmp->rope);
XROPE_DECREF(str->rope);
str->rope = tmp->rope;
}
static pic_value
pic_str_string_set(pic_state *pic)
{
pic_str *str;
char c;
int k;
pic_get_args(pic, "sic", &str, &k, &c);
pic_str_set(pic, str, k, c);
return pic_none_value();
}
static pic_value
pic_str_string_copy_ip(pic_state *pic)
{
pic_str *to, *from;
int n, at, start, end;
n = pic_get_args(pic, "sis|ii", &to, &at, &from, &start, &end);
switch (n) {
case 3:
start = 0;
case 4:
end = pic_strlen(from);
}
if (to == from) {
from = pic_substr(pic, from, 0, end);
}
while (start < end) {
pic_str_set(pic, to, at++, pic_str_ref(pic, from, start++));
}
return pic_none_value();
}
static pic_value
pic_str_string_fill_ip(pic_state *pic)
{
pic_str *str;
char c;
int n, start, end;
n = pic_get_args(pic, "sc|ii", &str, &c, &start, &end);
switch (n) {
case 2:
start = 0;
case 3:
end = pic_strlen(str);
}
while (start < end) {
pic_str_set(pic, str, start++, c);
}
return pic_none_value();
}
void
pic_init_mutable_string(pic_state *pic)
{
pic_deflibrary (pic, "(picrin string)") {
pic_defun(pic, "string-set!", pic_str_string_set);
pic_defun(pic, "string-copy!", pic_str_string_copy_ip);
pic_defun(pic, "string-fill!", pic_str_string_fill_ip);
}
}

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@ -2,7 +2,8 @@
(import (picrin base) (import (picrin base)
(picrin macro) (picrin macro)
(picrin record) (picrin record)
(picrin syntax-rules)) (picrin syntax-rules)
(picrin string))
;; 4.1.2. Literal expressions ;; 4.1.2. Literal expressions

@ -1 +1 @@
Subproject commit 851da542b0fb5661044682d282b8a08c0216e12a Subproject commit db71ce9bfa0dabc860b13ec94e0d24b1e7fb2af0

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@ -159,11 +159,8 @@
make-string make-string
string-length string-length
string-ref string-ref
string-set!
string-copy string-copy
string-copy!
string-append string-append
string-fill!
string-map string-map
string-for-each string-for-each
string->list string->list