7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
/* go-int-array-to-string.c -- convert an array of ints to a string in Go.
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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#include "go-assert.h"
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#include "go-string.h"
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#include "runtime.h"
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#include "malloc.h"
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struct __go_string
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__go_int_array_to_string (const void* p, size_t len)
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{
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const int *ints;
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size_t slen;
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size_t i;
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unsigned char *retdata;
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struct __go_string ret;
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unsigned char *s;
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ints = (const int *) p;
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slen = 0;
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for (i = 0; i < len; ++i)
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{
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int v;
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v = ints[i];
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if (v > 0x10ffff)
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v = 0xfffd;
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if (v <= 0x7f)
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slen += 1;
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else if (v <= 0x7ff)
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slen += 2;
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else if (v <= 0xffff)
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slen += 3;
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else
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slen += 4;
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}
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retdata = runtime_mallocgc (slen, RefNoPointers, 1, 0);
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ret.__data = retdata;
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ret.__length = slen;
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s = retdata;
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for (i = 0; i < len; ++i)
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{
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int v;
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v = ints[i];
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/* If V is out of range for UTF-8, substitute the replacement
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character. */
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if (v > 0x10ffff)
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v = 0xfffd;
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if (v <= 0x7f)
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*s++ = v;
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else if (v <= 0x7ff)
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{
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*s++ = 0xc0 | ((v >> 6) & 0x1f);
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*s++ = 0x80 | (v & 0x3f);
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}
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else if (v <= 0xffff)
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{
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*s++ = 0xe0 | ((v >> 12) & 0xf);
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*s++ = 0x80 | ((v >> 6) & 0x3f);
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*s++ = 0x80 | (v & 0x3f);
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}
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else
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{
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*s++ = 0xf0 | ((v >> 18) & 0x7);
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*s++ = 0x80 | ((v >> 12) & 0x3f);
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*s++ = 0x80 | ((v >> 6) & 0x3f);
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*s++ = 0x80 | (v & 0x3f);
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}
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}
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__go_assert ((size_t) (s - retdata) == slen);
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return ret;
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}
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