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runtime: handle string + char literals in goc2c

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My string literal was being rewritten from
"runtime.SysReserve(%p, %D) = error %d"
to
"runtime.SysReserve ( %p , %D ) = error %d"

R=iant
CC=golang-dev
https://golang.org/cl/4972051
This commit is contained in:
Russ Cox 2011-08-31 07:11:31 -04:00
parent 4304de6e0c
commit 5f40c5b384
1 changed files with 24 additions and 4 deletions
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28
src/pkg/runtime/goc2c.c
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@ -196,13 +196,14 @@ getchar_skipping_comments(void)
}
/*
* Read and return a token. Tokens are delimited by whitespace or by
* [(),{}]. The latter are all returned as single characters.
* Read and return a token. Tokens are string or character literals
* or else delimited by whitespace or by [(),{}].
* The latter are all returned as single characters.
*/
static char *
read_token(void)
{
int c;
int c, q;
char *buf;
unsigned int alc, off;
const char* delims = "(),{}";
@ -217,7 +218,26 @@ read_token(void)
alc = 16;
buf = xmalloc(alc + 1);
off = 0;
if (strchr(delims, c) != NULL) {
if(c == '"' || c == '\'') {
q = c;
buf[off] = c;
++off;
while (1) {
if (off+2 >= alc) { // room for c and maybe next char
alc *= 2;
buf = xrealloc(buf, alc + 1);
}
c = getchar_no_eof();
buf[off] = c;
++off;
if(c == q)
break;
if(c == '\\') {
buf[off] = getchar_no_eof();
++off;
}
}
} else if (strchr(delims, c) != NULL) {
buf[off] = c;
++off;
} else {