diff options
Diffstat (limited to 'libgo/runtime/string.goc')
-rw-r--r-- | libgo/runtime/string.goc | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/libgo/runtime/string.goc b/libgo/runtime/string.goc deleted file mode 100644 index 0ad180b983..0000000000 --- a/libgo/runtime/string.goc +++ /dev/null @@ -1,123 +0,0 @@ -// Copyright 2009, 2010 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package runtime -#include "runtime.h" -#include "arch.h" -#include "malloc.h" -#include "go-string.h" - -#define charntorune(pv, str, len) __go_get_rune(str, len, pv) - -const String runtime_emptystring; - -intgo -runtime_findnull(const byte *s) -{ - if(s == nil) - return 0; - return __builtin_strlen((const char*) s); -} - -intgo -runtime_findnullw(const uint16 *s) -{ - intgo l; - - if(s == nil) - return 0; - for(l=0; s[l]!=0; l++) - ; - return l; -} - -static String -gostringsize(intgo l, byte** pmem) -{ - String s; - byte *mem; - - if(l == 0) { - *pmem = nil; - return runtime_emptystring; - } - mem = runtime_mallocgc(l, 0, FlagNoScan|FlagNoZero); - s.str = mem; - s.len = l; - *pmem = mem; - return s; -} - -String -runtime_gostring(const byte *str) -{ - intgo l; - String s; - byte *mem; - - l = runtime_findnull(str); - s = gostringsize(l, &mem); - runtime_memmove(mem, str, l); - return s; -} - -String -runtime_gostringnocopy(const byte *str) -{ - String s; - - s.str = str; - s.len = runtime_findnull(str); - return s; -} - -func cstringToGo(str *byte) (s String) { - s = runtime_gostringnocopy(str); -} - -enum -{ - Runeself = 0x80, -}; - -func stringiter(s String, k int) (retk int) { - int32 l; - - if(k >= s.len) { - // retk=0 is end of iteration - retk = 0; - goto out; - } - - l = s.str[k]; - if(l < Runeself) { - retk = k+1; - goto out; - } - - // multi-char rune - retk = k + charntorune(&l, s.str+k, s.len-k); - -out: -} - -func stringiter2(s String, k int) (retk int, retv int32) { - if(k >= s.len) { - // retk=0 is end of iteration - retk = 0; - retv = 0; - goto out; - } - - retv = s.str[k]; - if(retv < Runeself) { - retk = k+1; - goto out; - } - - // multi-char rune - retk = k + charntorune(&retv, s.str+k, s.len-k); - -out: -} |