renamed hcl_readchar() to chl_readbaseinchar().

changed its behavior to work on hcl->c->inarg only
fixed bugs in feed_begin_include() and feed_end_include()
fixed the bug for which the location information is not updated in reading an included file and feeding its content
This commit is contained in:
hyung-hwan 2022-08-02 13:41:13 +00:00
parent e8acc7cd5b
commit cc07e0f58e
7 changed files with 309 additions and 184 deletions

View File

@ -568,19 +568,96 @@ static int feed_data (hcl_client_t* client, const void* ptr, hcl_oow_t len)
/* ========================================================================= */
static int send_iov (int sck, struct iovec* iov, int count)
{
int index = 0;
while (1)
{
ssize_t nwritten;
struct msghdr msg;
memset (&msg, 0, HCL_SIZEOF(msg));
msg.msg_iov = (struct iovec*)&iov[index];
msg.msg_iovlen = count - index;
nwritten = sendmsg(sck, &msg, 0);
/*nwritten = writev(proto->worker->sck, (const struct iovec*)&iov[index], count - index);*/
if (nwritten <= -1)
{
/* error occurred inside the worker thread shouldn't affect the error information
* in the server object. so here, i just log a message */
fprintf (stderr, "Unable to sendmsg on %d - %s\n", sck, strerror(errno));
return -1;
}
while (index < count && (size_t)nwritten >= iov[index].iov_len)
nwritten -= iov[index++].iov_len;
if (index == count) break;
iov[index].iov_base = (void*)((hcl_uint8_t*)iov[index].iov_base + nwritten);
iov[index].iov_len -= nwritten;
}
return 0;
}
static int send_script_line (int sck, const char* line, size_t len)
{
struct iovec iov[3];
int count;
count = 0;
iov[count].iov_base = ".SCRIPT ";
iov[count++].iov_len = 8;
iov[count].iov_base = (char*)line;
iov[count++].iov_len = len;
iov[count].iov_base = "\n";
iov[count++].iov_len = 1;
return send_iov(sck, iov, count);
}
static int send_begin_line (int sck)
{
struct iovec iov[2];
int count;
count = 0;
iov[count].iov_base = ".BEGIN";
iov[count++].iov_len = 6;
iov[count].iov_base = "\n";
iov[count++].iov_len = 1;
return send_iov(sck, iov, count);
}
static int send_end_line (int sck)
{
struct iovec iov[2];
int count;
count = 0;
iov[count].iov_base = ".END";
iov[count++].iov_len = 4;
iov[count].iov_base = "\n";
iov[count++].iov_len = 1;
return send_iov(sck, iov, count);
}
static int handle_request (hcl_client_t* client, const char* ipaddr, const char* script, int reuse_addr, int shut_wr_after_req)
{
hcl_sckaddr_t sckaddr;
hcl_scklen_t scklen;
int sckfam;
int sck = -1;
struct iovec iov[3];
int index, count;
hcl_oow_t used, avail;
int x;
hcl_bch_t buf[256];
ssize_t n;
const char* scptr;
client_xtn_t* client_xtn;
@ -628,43 +705,20 @@ static int handle_request (hcl_client_t* client, const char* ipaddr, const char*
goto oops;
}
count = 0;
iov[count].iov_base = ".SCRIPT (do ";
iov[count++].iov_len = 12;
iov[count].iov_base = (char*)script;
iov[count++].iov_len = strlen(script);
/* the script above must not include trailing newlines */
iov[count].iov_base = ")\n";
iov[count++].iov_len = 2;
if (send_begin_line(sck) <= -1) goto oops;
index = 0;
scptr = script;
while (1)
{
ssize_t nwritten;
struct msghdr msg;
memset (&msg, 0, HCL_SIZEOF(msg));
msg.msg_iov = (struct iovec*)&iov[index];
msg.msg_iovlen = count - index;
nwritten = sendmsg(sck, &msg, 0);
/*nwritten = writev(proto->worker->sck, (const struct iovec*)&iov[index], count - index);*/
if (nwritten <= -1)
{
/* error occurred inside the worker thread shouldn't affect the error information
* in the server object. so here, i just log a message */
fprintf (stderr, "Unable to sendmsg on %d - %s\n", sck, strerror(errno));
goto oops;
}
while (index < count && (size_t)nwritten >= iov[index].iov_len)
nwritten -= iov[index++].iov_len;
if (index == count) break;
iov[index].iov_base = (void*)((hcl_uint8_t*)iov[index].iov_base + nwritten);
iov[index].iov_len -= nwritten;
const char* nl;
nl = strchr(scptr, '\n');
if (send_script_line(sck, scptr, (nl? (nl - scptr): strlen(scptr))) <= -1) goto oops;
if (!nl) break;
scptr = nl + 1;
}
if (send_end_line(sck) <= -1) goto oops;
if (shut_wr_after_req) shutdown (sck, SHUT_WR);
client_xtn->data_length = 0;

View File

@ -258,8 +258,11 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
ucslen = HCL_COUNTOF(arg->buf);
x = hcl_convbtooochars(hcl, bb->buf, &bcslen, arg->buf, &ucslen);
if (x <= -1 && ucslen <= 0) return -1;
/* if ucslen is greater than 0, i see that some characters have been
* converted properly */
/* if ucslen is greater than 0, i assume that some characters have been
* converted properly. as the loop above reads an entire line if not too
* large, the incomplete sequence error (x == -3) must happen after
* successful conversion of at least 1 ooch character. so no explicit
* check for the incomplete sequence error is required */
#else
bcslen = (bb->len < HCL_COUNTOF(arg->buf))? bb->len: HCL_COUNTOF(arg->buf);
ucslen = bcslen;

View File

@ -184,7 +184,7 @@ static const hcl_bch_t* synerr_to_errstr (hcl_synerrnum_t errnum)
const hcl_ooch_t* hcl_geterrstr (hcl_t* hcl)
{
return hcl_errnum_to_errstr (hcl->errnum);
return hcl_errnum_to_errstr(hcl->errnum);
}
const hcl_ooch_t* hcl_geterrmsg (hcl_t* hcl)

View File

@ -688,6 +688,7 @@ struct hcl_compiler_t
{
hcl_flx_state_t state;
hcl_ioloc_t loc;
hcl_ioloc_t _oloc;
union
{

View File

@ -151,6 +151,8 @@ struct hcl_server_proto_t
hcl_t* hcl;
hcl_iolxc_t* lxc;
hcl_oow_t unread_count;
hcl_iolxc_t unread_lxc;
hcl_server_proto_token_t tok;
hcl_tmr_index_t exec_runtime_event_index;
@ -428,28 +430,29 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
bb_t* bb;
hcl_oow_t bcslen, ucslen, remlen;
hcl_server_worker_t* worker;
int x;
ssize_t x;
int y;
bb = (bb_t*)arg->handle;
HCL_ASSERT (hcl, bb != HCL_NULL && bb->fd >= 0);
worker = xtn->proto->worker;
start_over:
if (bb->fd == worker->sck)
{
ssize_t x;
hcl_server_t* server;
HCL_ASSERT (hcl, arg->includer == HCL_NULL);
server = worker->server;
start_over:
while (1)
{
int n;
struct pollfd pfd;
int tmout, actual_tmout;
if (server->stopreq)
if (HCL_UNLIKELY(server->stopreq))
{
hcl_seterrbfmt (hcl, HCL_EGENERIC, "stop requested");
return -1;
@ -489,11 +492,18 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
}
else
{
ssize_t x;
HCL_ASSERT (hcl, arg->includer != HCL_NULL);
if (HCL_UNLIKELY(worker->server->stopreq))
{
hcl_seterrbfmt (hcl, HCL_EGENERIC, "stop requested");
return -1;
}
x = read(bb->fd, &bb->buf[bb->len], HCL_COUNTOF(bb->buf) - bb->len);
if (x <= -1)
{
/* TODO: if (errno == EINTR) retry? */
if (errno == EINTR) goto start_over;
hcl_seterrwithsyserr (hcl, 0, errno);
return -1;
}
@ -504,8 +514,12 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
#if defined(HCL_OOCH_IS_UCH)
bcslen = bb->len;
ucslen = HCL_COUNTOF(arg->buf);
x = hcl_convbtooochars(hcl, bb->buf, &bcslen, arg->buf, &ucslen);
if (x <= -1 && ucslen <= 0) return -1;
y = hcl_convbtooochars(hcl, bb->buf, &bcslen, arg->buf, &ucslen);
if (y <= -1 && ucslen <= 0)
{
if (y == -3 && x != 0) goto start_over; /* incomplete sequence and not EOF yet */
return -1;
}
/* if ucslen is greater than 0, i see that some characters have been
* converted properly */
#else
@ -919,26 +933,42 @@ static HCL_INLINE int is_digitchar (hcl_ooci_t c)
static HCL_INLINE int read_char (hcl_server_proto_t* proto)
{
proto->lxc = hcl_readchar(proto->hcl);
if (proto->unread_count > 0)
{
proto->lxc = &proto->unread_lxc;
proto->unread_count--;
return 0;
}
proto->lxc = hcl_readbaseinchar(proto->hcl);
if (!proto->lxc) return -1;
return 0;
}
static HCL_INLINE int unread_last_char (hcl_server_proto_t* proto)
{
return hcl_unreadchar(proto->hcl, proto->lxc);
if (proto->unread_count >= 1)
{
/* only 1 character can be unread */
hcl_seterrbfmt (proto->hcl, HCL_EFLOOD, "too many unread characters");
return -1;
}
if (proto->lxc != &proto->unread_lxc) proto->unread_lxc = *proto->lxc;
proto->unread_count++;
return 0;
}
#define GET_CHAR_TO(proto,c) \
#define GET_CHAR_TO(proto,ch) \
do { \
if (read_char(proto) <= -1) return -1; \
c = (proto)->lxc->c; \
ch = (proto)->lxc->c; \
} while(0)
#define GET_CHAR_TO_WITH_GOTO(proto,c,oops) \
#define GET_CHAR_TO_WITH_GOTO(proto,ch,oops) \
do { \
if (read_char(proto) <= -1) goto oops; \
c = (proto)->lxc->c; \
ch = (proto)->lxc->c; \
} while(0)
#define UNGET_LAST_CHAR(proto) \
@ -947,8 +977,8 @@ static HCL_INLINE int unread_last_char (hcl_server_proto_t* proto)
} while (0)
#define SET_TOKEN_TYPE(proto,tv) ((proto)->tok.type = (tv))
#define ADD_TOKEN_CHAR(proto,c) \
do { if (add_token_char(proto, c) <= -1) return -1; } while (0)
#define ADD_TOKEN_CHAR(proto,ch) \
do { if (add_token_char(proto, ch) <= -1) return -1; } while (0)
static HCL_INLINE int add_token_char (hcl_server_proto_t* proto, hcl_ooch_t c)
@ -1060,7 +1090,7 @@ static int get_token (hcl_server_proto_t* proto)
GET_CHAR_TO(proto, c);
}
while (is_digitchar(c));
UNGET_LAST_CHAR (proto);
break;
}
@ -1200,6 +1230,30 @@ static void send_error_message (hcl_server_proto_t* proto, const hcl_ooch_t* err
}
}
static void send_proto_hcl_error (hcl_server_proto_t* proto)
{
hcl_errnum_t err;
err = hcl_geterrnum(proto->hcl);
if (err == HCL_ESYNERR)
{
const hcl_ooch_t* bem;
hcl_synerr_t synerr;
static hcl_ooch_t nullstr[] = { '\0' };
/* concatenate the error message with the error location */
hcl_getsynerr (proto->hcl, &synerr);
bem = hcl_backuperrmsg(proto->hcl);
hcl_seterrbfmt (proto->hcl, HCL_ESYNERR, "%js (%js%hs%zu,%zu)",
bem,
(synerr.loc.file? synerr.loc.file: nullstr),
(synerr.loc.file? ":": ""),
synerr.loc.line, synerr.loc.colm);
}
send_error_message (proto, hcl_geterrmsg(proto->hcl));
}
static void show_server_workers (hcl_server_proto_t* proto)
{
hcl_server_t* server;
@ -1346,6 +1400,8 @@ int hcl_server_proto_handle_request (hcl_server_proto_t* proto)
goto fail_with_errmsg;
}
if (hcl_endfeed(proto->hcl) <= -1) goto fail_with_errmsg;
proto->worker->opstate = HCL_SERVER_WORKER_OPSTATE_EXECUTE;
/* i must not jump to fail_with_errmsg when execute_script() fails.
* it may have produced some normal output already. so the function
@ -1356,59 +1412,62 @@ int hcl_server_proto_handle_request (hcl_server_proto_t* proto)
case HCL_SERVER_PROTO_TOKEN_SCRIPT:
{
hcl_cnode_t* obj;
hcl_ooci_t c;
int n;
hcl_ooch_t ch;
hcl_oow_t feed_count = 0;
hcl_setbaseinloc (proto->hcl, 1, 1);
if (proto->req.state == HCL_SERVER_PROTO_REQ_IN_TOP_LEVEL)
{
hcl_setbaseinloc (proto->hcl, 1, 1);
hcl_reset(proto->hcl);
}
/* do a special check bypassing get_token(). it checks if the script contents
* come on the same line as .SCRIPT */
/* check the first character after .SCRIPT */
GET_CHAR_TO_WITH_GOTO (proto, c, fail_with_errmsg);
while (is_spacechar(c)) GET_CHAR_TO (proto, c);
if (c == HCL_OOCI_EOF || c == '\n')
if (c == HCL_OOCI_EOF)
{
hcl_seterrbfmt (proto->hcl, HCL_EINVAL, "No contents on the .SCRIPT line");
goto fail_with_errmsg;
}
UNGET_LAST_CHAR (proto);
if (proto->req.state == HCL_SERVER_PROTO_REQ_IN_TOP_LEVEL) hcl_reset(proto->hcl);
if (c == '\n') goto script_eol;
proto->worker->opstate = HCL_SERVER_WORKER_OPSTATE_READ;
obj = hcl_read(proto->hcl);
if (!obj)
if (!is_spacechar(c))
{
if (hcl_geterrnum(proto->hcl) == HCL_ESYNERR) reformat_synerr (proto->hcl);
hcl_seterrbfmt (proto->hcl, HCL_EINVAL, "No space after .SCRIPT");
goto fail_with_errmsg;
}
if (get_token(proto) <= -1)
while (1)
{
hcl_freecnode (proto->hcl, obj);
goto fail_with_errmsg;
}
if (proto->tok.type != HCL_SERVER_PROTO_TOKEN_NL)
{
hcl_seterrbfmt (proto->hcl, HCL_EINVAL, "No new line after .SCRIPT contents");
hcl_freecnode (proto->hcl, obj);
goto fail_with_errmsg;
GET_CHAR_TO_WITH_GOTO (proto, c, fail_with_errmsg);
if (c == '\n' || c == HCL_OOCI_EOF)
{
if (c == '\n')
{
script_eol:
ch = c;
if (hcl_feed(proto->hcl, &ch, 1) <= -1) goto fail_with_errmsg;
feed_count++;
}
break;
}
ch = c;
if (hcl_feed(proto->hcl, &ch, 1) <= -1) goto fail_with_errmsg;
feed_count++;
}
proto->worker->opstate = HCL_SERVER_WORKER_OPSTATE_COMPILE;
/*n = hcl_compile(proto->hcl, obj, HCL_COMPILE_CLEAR_CODE | HCL_COMPILE_CLEAR_FNBLK);*/
n = hcl_compile(proto->hcl, obj, 0);
hcl_freecnode (proto->hcl, obj);
if (n <= -1)
/*
if (feed_count == 0)
{
if (hcl_geterrnum(proto->hcl) == HCL_ESYNERR) reformat_synerr (proto->hcl);
hcl_seterrbfmt (proto->hcl, HCL_EINVAL, "No contents on the .SCRIPT line");
goto fail_with_errmsg;
}
}*/
if (proto->req.state == HCL_SERVER_PROTO_REQ_IN_TOP_LEVEL)
{
if (hcl_endfeed(proto->hcl) <= -1) goto fail_with_errmsg;
proto->worker->opstate = HCL_SERVER_WORKER_OPSTATE_EXECUTE;
if (execute_script(proto, ".SCRIPT") <= -1) return -1;
}
@ -1488,7 +1547,7 @@ int hcl_server_proto_handle_request (hcl_server_proto_t* proto)
return 1;
fail_with_errmsg:
send_error_message (proto, hcl_geterrmsg(proto->hcl));
send_proto_hcl_error (proto);
HCL_LOG1 (proto->hcl, SERVER_LOGMASK_ERROR, "Unable to compile .SCRIPT contents - %js\n", hcl_geterrmsg(proto->hcl));
return -1;
}

View File

@ -1257,8 +1257,6 @@ struct hcl_ioinarg_t
{
hcl_oow_t pos;
hcl_oow_t len;
/* <<B.STATE>>
int state;*/
} b;
hcl_oow_t line;
@ -2154,6 +2152,12 @@ HCL_EXPORT void hcl_setbaseinloc (
hcl_oow_t colm
);
/* if you should read charcters from the input stream before hcl_read(),
* you can call hcl_readbaseinchar() */
HCL_EXPORT hcl_iolxc_t* hcl_readbaseinchar (
hcl_t* hcl
);
HCL_EXPORT int hcl_attachio (
hcl_t* hcl,
hcl_ioimpl_t reader,
@ -2240,20 +2244,6 @@ HCL_EXPORT int hcl_decode (
#endif
/* if you should read charcters from the input stream before hcl_read(),
* you can call hcl_readchar() */
HCL_EXPORT hcl_iolxc_t* hcl_readchar (
hcl_t* hcl
);
/* If you use hcl_readchar() to read the input stream, you may use
* hcl_unreadchar() to put back characters read for hcl_readchar()
* to return before reading the stream again. */
HCL_EXPORT int hcl_unreadchar (
hcl_t* hcl,
const hcl_iolxc_t* c
);
/* =========================================================================
* SYNTAX ERROR HANDLING
* ========================================================================= */
@ -2429,7 +2419,7 @@ HCL_EXPORT hcl_oow_t hcl_vfmttoucstr (
hcl_uch_t* buf,
hcl_oow_t bufsz,
const hcl_uch_t* fmt,
va_list ap
va_list ap
);
HCL_EXPORT hcl_oow_t hcl_fmttoucstr (
@ -2445,7 +2435,7 @@ HCL_EXPORT hcl_oow_t hcl_vfmttobcstr (
hcl_bch_t* buf,
hcl_oow_t bufsz,
const hcl_bch_t* fmt,
va_list ap
va_list ap
);
HCL_EXPORT hcl_oow_t hcl_fmttobcstr (

View File

@ -451,64 +451,39 @@ static int get_directive_token_type (hcl_t* hcl, hcl_iotok_type_t* tok_type)
return -1;
}
static int get_char (hcl_t* hcl)
static int _get_char (hcl_t* hcl, hcl_ioinarg_t* inp)
{
hcl_ooci_t lc;
if (hcl->c->nungots > 0)
if (inp->b.pos >= inp->b.len)
{
/* something in the unget buffer */
hcl->c->lxc = hcl->c->ungot[--hcl->c->nungots];
return 0;
}
if (hcl->c->reader(hcl, HCL_IO_READ, inp) <= -1) return -1;
/* <<B.STATE>> -> probably not needed any more?
if (hcl->c->curinp->b.state == -1)
{
hcl->c->curinp->b.state = 0;
return -1;
}
else if (hcl->c->curinp->b.state == 1)
{
hcl->c->curinp->b.state = 0;
goto return_eof;
}
*/
if (hcl->c->curinp->b.pos >= hcl->c->curinp->b.len)
{
if (hcl->c->reader(hcl, HCL_IO_READ, hcl->c->curinp) <= -1) return -1;
if (hcl->c->curinp->xlen <= 0)
if (inp->xlen <= 0)
{
/* <<B.STATE>>
return_eof:
*/
hcl->c->curinp->lxc.c = HCL_OOCI_EOF;
hcl->c->curinp->lxc.l.line = hcl->c->curinp->line;
hcl->c->curinp->lxc.l.colm = hcl->c->curinp->colm;
hcl->c->curinp->lxc.l.file = hcl->c->curinp->name;
hcl->c->lxc = hcl->c->curinp->lxc;
inp->lxc.c = HCL_OOCI_EOF;
inp->lxc.l.line = inp->line;
inp->lxc.l.colm = inp->colm;
inp->lxc.l.file = inp->name;
/* indicate that EOF has been read. lxc.c is also set to EOF. */
return 0;
}
hcl->c->curinp->b.pos = 0;
hcl->c->curinp->b.len = hcl->c->curinp->xlen;
inp->b.pos = 0;
inp->b.len = inp->xlen;
}
if (hcl->c->curinp->lxc.c == '\n' || hcl->c->curinp->lxc.c == '\r')
if (inp->lxc.c == '\n' || inp->lxc.c == '\r')
{
/* hcl->c->curinp->lxc.c is a previous character. the new character
* to be read is still in the buffer (hcl->c->curinp->buf).
/* inp->lxc.c is a previous character. the new character
* to be read is still in the buffer (inp->buf).
* hcl->cu->curinp->colm has been incremented when the previous
* character has been read. */
if (hcl->c->curinp->line > 1 && hcl->c->curinp->colm == 2 && hcl->c->curinp->nl != hcl->c->curinp->lxc.c)
if (inp->line > 1 && inp->colm == 2 && inp->nl != inp->lxc.c)
{
/* most likely, it's the second character in '\r\n' or '\n\r'
* sequence. let's not update the line and column number. */
/*hcl->c->curinp->colm = 1;*/
/*inp->colm = 1;*/
}
else
{
@ -517,23 +492,38 @@ static int get_char (hcl_t* hcl)
* incrementing the line number here instead of
* updating inp->lxc causes the line number for
* TOK_EOF to be the same line as the lxc newline. */
hcl->c->curinp->line++;
hcl->c->curinp->colm = 1;
hcl->c->curinp->nl = hcl->c->curinp->lxc.c;
inp->line++;
inp->colm = 1;
inp->nl = inp->lxc.c;
}
}
lc = hcl->c->curinp->buf[hcl->c->curinp->b.pos++];
lc = inp->buf[inp->b.pos++];
hcl->c->curinp->lxc.c = lc;
hcl->c->curinp->lxc.l.line = hcl->c->curinp->line;
hcl->c->curinp->lxc.l.colm = hcl->c->curinp->colm++;
hcl->c->curinp->lxc.l.file = hcl->c->curinp->name;
hcl->c->lxc = hcl->c->curinp->lxc;
inp->lxc.c = lc;
inp->lxc.l.line = inp->line;
inp->lxc.l.colm = inp->colm++;
inp->lxc.l.file = inp->name;
return 1; /* indicate that a normal character has been read */
}
static int get_char (hcl_t* hcl)
{
int n;
if (hcl->c->nungots > 0)
{
/* something in the unget buffer */
hcl->c->lxc = hcl->c->ungot[--hcl->c->nungots];
return 0;
}
n = _get_char(hcl, hcl->c->curinp);
if (n >= 0) hcl->c->lxc = hcl->c->curinp->lxc;
return n;
}
static int skip_comment (hcl_t* hcl)
{
hcl_ooci_t c = hcl->c->lxc.c;
@ -2211,25 +2201,6 @@ hcl_cnode_t* hcl_read (hcl_t* hcl)
/* ------------------------------------------------------------------------ */
hcl_iolxc_t* hcl_readchar (hcl_t* hcl)
{
int n = get_char(hcl);
if (n <= -1) return HCL_NULL;
return &hcl->c->lxc;
}
int hcl_unreadchar (hcl_t* hcl, const hcl_iolxc_t* c)
{
if (hcl->c->nungots >= HCL_COUNTOF(hcl->c->ungot))
{
hcl_seterrbfmt (hcl, HCL_EBUFFULL, "character unread buffer full");
return -1;
}
unget_char (hcl, c);
return 0;
}
/* TODO:
hcl_cnodetoobj (hcl_t* hcl, hcl_cnode_t* x)
{
@ -2285,6 +2256,24 @@ static int feed_begin_include (hcl_t* hcl)
goto oops;
}
if (arg->includer == &hcl->c->inarg)
{
/* TODO: remove hcl_readbaseinchar() and clean up this part.
* hcl_readbaseinchar(), if called in the middle of feeds,
* updates hcl->c->inarg's line and colm. so use a separate
* field to store the current feed location for now */
hcl->c->feed.lx._oloc = hcl->c->feed.lx.loc;
}
else
{
arg->includer->name = hcl->c->feed.lx.loc.file;
arg->includer->line = hcl->c->feed.lx.loc.line;
arg->includer->colm = hcl->c->feed.lx.loc.colm;
}
hcl->c->feed.lx.loc.file = arg->name;
hcl->c->feed.lx.loc.line = arg->line;
hcl->c->feed.lx.loc.colm = arg->colm;
/* switch to the includee's stream */
hcl->c->curinp = arg;
/* hcl->c->depth.incl++; */
@ -2315,6 +2304,17 @@ static int feed_end_include (hcl_t* hcl)
cur = hcl->c->curinp;
hcl->c->curinp = hcl->c->curinp->includer;
if (hcl->c->curinp == &hcl->c->inarg)
{
hcl->c->feed.lx.loc = hcl->c->feed.lx._oloc;
}
else
{
hcl->c->feed.lx.loc.file = hcl->c->curinp->name;
hcl->c->feed.lx.loc.line = hcl->c->curinp->line;
hcl->c->feed.lx.loc.colm = hcl->c->curinp->colm;
}
HCL_ASSERT (hcl, cur->name != HCL_NULL);
hcl_freemem (hcl, cur);
/* hcl->parse.depth.incl--; */
@ -3692,10 +3692,22 @@ static int feed_char (hcl_t* hcl, hcl_ooci_t c)
}
HCL_ASSERT (hcl, !"internal error - this must never happen");
hcl_seterrnum (hcl, HCL_EINTERN);
hcl_seterrbfmt (hcl, HCL_EINTERN, "internal error - unknown flx state - %d", FLX_STATE(hcl));
return -1;
}
static void feed_update_lx_loc (hcl_t* hcl, hcl_ooci_t ch)
{
if (is_linebreak(ch))
{
hcl->c->feed.lx.loc.line++;
hcl->c->feed.lx.loc.colm = 1;
}
else
{
hcl->c->feed.lx.loc.colm++;
}
}
static int feed_from_included (hcl_t* hcl)
{
@ -3725,7 +3737,12 @@ static int feed_from_included (hcl_t* hcl)
x = feed_char(hcl, hcl->c->curinp->buf[hcl->c->curinp->b.pos]);
if (x <= -1) return -1;
hcl->c->curinp->b.pos += x;
if (x >= 1)
{
/* consumed */
feed_update_lx_loc (hcl, hcl->c->curinp->buf[hcl->c->curinp->b.pos]);
hcl->c->curinp->b.pos += x;
}
if (hcl->c->feed.rd.do_include_file)
{
@ -3758,7 +3775,6 @@ int hcl_feed (hcl_t* hcl, const hcl_ooch_t* data, hcl_oow_t len)
hcl_oow_t i;
int x;
if (data)
{
for (i = 0; i < len; )
@ -3769,15 +3785,7 @@ int hcl_feed (hcl_t* hcl, const hcl_ooch_t* data, hcl_oow_t len)
if (x > 0)
{
/* consumed */
if (is_linebreak(data[i]))
{
hcl->c->feed.lx.loc.line++;
hcl->c->feed.lx.loc.colm = 1;
}
else
{
hcl->c->feed.lx.loc.colm++;
}
feed_update_lx_loc (hcl, data[i]);
i += x; /* x is supposed to be 1. otherwise, some characters may get skipped. */
}
@ -4061,3 +4069,13 @@ void hcl_setbaseinloc (hcl_t* hcl, hcl_oow_t line, hcl_oow_t colm)
hcl->c->inarg.line = line;
hcl->c->inarg.colm = colm;
}
hcl_iolxc_t* hcl_readbaseinchar (hcl_t* hcl)
{
/* read a character using the base input stream. the caller must care extra
* care when using this function. this function reads the main stream regardless
* of the inclusion status and ignores the ungot characters. */
int n = _get_char(hcl, &hcl->c->inarg);
if (n <= -1) return HCL_NULL;
return &hcl->c->inarg.lxc;
}