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:
parent
e8acc7cd5b
commit
cc07e0f58e
120
bin/main-c.c
120
bin/main-c.c
@ -568,19 +568,96 @@ static int feed_data (hcl_client_t* client, const void* ptr, hcl_oow_t len)
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/* ========================================================================= */
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static int send_iov (int sck, struct iovec* iov, int count)
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{
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int index = 0;
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while (1)
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{
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ssize_t nwritten;
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struct msghdr msg;
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memset (&msg, 0, HCL_SIZEOF(msg));
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msg.msg_iov = (struct iovec*)&iov[index];
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msg.msg_iovlen = count - index;
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nwritten = sendmsg(sck, &msg, 0);
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/*nwritten = writev(proto->worker->sck, (const struct iovec*)&iov[index], count - index);*/
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if (nwritten <= -1)
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{
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/* error occurred inside the worker thread shouldn't affect the error information
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* in the server object. so here, i just log a message */
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fprintf (stderr, "Unable to sendmsg on %d - %s\n", sck, strerror(errno));
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return -1;
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}
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while (index < count && (size_t)nwritten >= iov[index].iov_len)
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nwritten -= iov[index++].iov_len;
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if (index == count) break;
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iov[index].iov_base = (void*)((hcl_uint8_t*)iov[index].iov_base + nwritten);
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iov[index].iov_len -= nwritten;
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}
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return 0;
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}
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static int send_script_line (int sck, const char* line, size_t len)
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{
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struct iovec iov[3];
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int count;
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count = 0;
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iov[count].iov_base = ".SCRIPT ";
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iov[count++].iov_len = 8;
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iov[count].iov_base = (char*)line;
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iov[count++].iov_len = len;
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iov[count].iov_base = "\n";
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iov[count++].iov_len = 1;
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return send_iov(sck, iov, count);
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}
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static int send_begin_line (int sck)
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{
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struct iovec iov[2];
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int count;
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count = 0;
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iov[count].iov_base = ".BEGIN";
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iov[count++].iov_len = 6;
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iov[count].iov_base = "\n";
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iov[count++].iov_len = 1;
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return send_iov(sck, iov, count);
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}
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static int send_end_line (int sck)
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{
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struct iovec iov[2];
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int count;
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count = 0;
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iov[count].iov_base = ".END";
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iov[count++].iov_len = 4;
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iov[count].iov_base = "\n";
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iov[count++].iov_len = 1;
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return send_iov(sck, iov, count);
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}
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static int handle_request (hcl_client_t* client, const char* ipaddr, const char* script, int reuse_addr, int shut_wr_after_req)
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{
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hcl_sckaddr_t sckaddr;
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hcl_scklen_t scklen;
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int sckfam;
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int sck = -1;
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struct iovec iov[3];
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int index, count;
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hcl_oow_t used, avail;
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int x;
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hcl_bch_t buf[256];
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ssize_t n;
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const char* scptr;
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client_xtn_t* client_xtn;
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@ -628,42 +705,19 @@ static int handle_request (hcl_client_t* client, const char* ipaddr, const char*
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goto oops;
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}
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count = 0;
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iov[count].iov_base = ".SCRIPT (do ";
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iov[count++].iov_len = 12;
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iov[count].iov_base = (char*)script;
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iov[count++].iov_len = strlen(script);
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/* the script above must not include trailing newlines */
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iov[count].iov_base = ")\n";
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iov[count++].iov_len = 2;
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if (send_begin_line(sck) <= -1) goto oops;
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index = 0;
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scptr = script;
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while (1)
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{
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ssize_t nwritten;
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struct msghdr msg;
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memset (&msg, 0, HCL_SIZEOF(msg));
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msg.msg_iov = (struct iovec*)&iov[index];
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msg.msg_iovlen = count - index;
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nwritten = sendmsg(sck, &msg, 0);
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/*nwritten = writev(proto->worker->sck, (const struct iovec*)&iov[index], count - index);*/
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if (nwritten <= -1)
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{
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/* error occurred inside the worker thread shouldn't affect the error information
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* in the server object. so here, i just log a message */
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fprintf (stderr, "Unable to sendmsg on %d - %s\n", sck, strerror(errno));
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goto oops;
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const char* nl;
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nl = strchr(scptr, '\n');
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if (send_script_line(sck, scptr, (nl? (nl - scptr): strlen(scptr))) <= -1) goto oops;
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if (!nl) break;
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scptr = nl + 1;
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}
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while (index < count && (size_t)nwritten >= iov[index].iov_len)
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nwritten -= iov[index++].iov_len;
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if (index == count) break;
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iov[index].iov_base = (void*)((hcl_uint8_t*)iov[index].iov_base + nwritten);
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iov[index].iov_len -= nwritten;
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}
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if (send_end_line(sck) <= -1) goto oops;
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if (shut_wr_after_req) shutdown (sck, SHUT_WR);
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@ -258,8 +258,11 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
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ucslen = HCL_COUNTOF(arg->buf);
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x = hcl_convbtooochars(hcl, bb->buf, &bcslen, arg->buf, &ucslen);
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if (x <= -1 && ucslen <= 0) return -1;
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/* if ucslen is greater than 0, i see that some characters have been
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* converted properly */
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/* if ucslen is greater than 0, i assume that some characters have been
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* converted properly. as the loop above reads an entire line if not too
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* large, the incomplete sequence error (x == -3) must happen after
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* successful conversion of at least 1 ooch character. so no explicit
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* check for the incomplete sequence error is required */
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#else
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bcslen = (bb->len < HCL_COUNTOF(arg->buf))? bb->len: HCL_COUNTOF(arg->buf);
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ucslen = bcslen;
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@ -688,6 +688,7 @@ struct hcl_compiler_t
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{
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hcl_flx_state_t state;
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hcl_ioloc_t loc;
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hcl_ioloc_t _oloc;
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union
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{
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153
lib/hcl-s.c
153
lib/hcl-s.c
@ -151,6 +151,8 @@ struct hcl_server_proto_t
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hcl_t* hcl;
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hcl_iolxc_t* lxc;
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hcl_oow_t unread_count;
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hcl_iolxc_t unread_lxc;
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hcl_server_proto_token_t tok;
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hcl_tmr_index_t exec_runtime_event_index;
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@ -428,28 +430,29 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
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bb_t* bb;
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hcl_oow_t bcslen, ucslen, remlen;
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hcl_server_worker_t* worker;
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int x;
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ssize_t x;
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int y;
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bb = (bb_t*)arg->handle;
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HCL_ASSERT (hcl, bb != HCL_NULL && bb->fd >= 0);
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worker = xtn->proto->worker;
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start_over:
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if (bb->fd == worker->sck)
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{
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ssize_t x;
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hcl_server_t* server;
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HCL_ASSERT (hcl, arg->includer == HCL_NULL);
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server = worker->server;
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start_over:
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while (1)
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{
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int n;
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struct pollfd pfd;
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int tmout, actual_tmout;
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if (server->stopreq)
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if (HCL_UNLIKELY(server->stopreq))
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{
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hcl_seterrbfmt (hcl, HCL_EGENERIC, "stop requested");
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return -1;
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@ -489,11 +492,18 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
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}
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else
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{
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ssize_t x;
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HCL_ASSERT (hcl, arg->includer != HCL_NULL);
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if (HCL_UNLIKELY(worker->server->stopreq))
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{
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hcl_seterrbfmt (hcl, HCL_EGENERIC, "stop requested");
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return -1;
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}
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x = read(bb->fd, &bb->buf[bb->len], HCL_COUNTOF(bb->buf) - bb->len);
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if (x <= -1)
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{
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/* TODO: if (errno == EINTR) retry? */
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if (errno == EINTR) goto start_over;
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hcl_seterrwithsyserr (hcl, 0, errno);
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return -1;
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}
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@ -504,8 +514,12 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
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#if defined(HCL_OOCH_IS_UCH)
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bcslen = bb->len;
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ucslen = HCL_COUNTOF(arg->buf);
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x = hcl_convbtooochars(hcl, bb->buf, &bcslen, arg->buf, &ucslen);
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if (x <= -1 && ucslen <= 0) return -1;
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y = hcl_convbtooochars(hcl, bb->buf, &bcslen, arg->buf, &ucslen);
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if (y <= -1 && ucslen <= 0)
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{
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if (y == -3 && x != 0) goto start_over; /* incomplete sequence and not EOF yet */
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return -1;
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}
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/* if ucslen is greater than 0, i see that some characters have been
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* converted properly */
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#else
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@ -919,26 +933,42 @@ static HCL_INLINE int is_digitchar (hcl_ooci_t c)
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static HCL_INLINE int read_char (hcl_server_proto_t* proto)
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{
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proto->lxc = hcl_readchar(proto->hcl);
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if (proto->unread_count > 0)
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{
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proto->lxc = &proto->unread_lxc;
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proto->unread_count--;
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return 0;
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}
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proto->lxc = hcl_readbaseinchar(proto->hcl);
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if (!proto->lxc) return -1;
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return 0;
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}
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static HCL_INLINE int unread_last_char (hcl_server_proto_t* proto)
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{
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return hcl_unreadchar(proto->hcl, proto->lxc);
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if (proto->unread_count >= 1)
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{
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/* only 1 character can be unread */
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hcl_seterrbfmt (proto->hcl, HCL_EFLOOD, "too many unread characters");
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return -1;
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}
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#define GET_CHAR_TO(proto,c) \
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if (proto->lxc != &proto->unread_lxc) proto->unread_lxc = *proto->lxc;
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proto->unread_count++;
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return 0;
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}
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#define GET_CHAR_TO(proto,ch) \
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do { \
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if (read_char(proto) <= -1) return -1; \
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c = (proto)->lxc->c; \
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ch = (proto)->lxc->c; \
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} while(0)
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#define GET_CHAR_TO_WITH_GOTO(proto,c,oops) \
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#define GET_CHAR_TO_WITH_GOTO(proto,ch,oops) \
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do { \
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if (read_char(proto) <= -1) goto oops; \
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c = (proto)->lxc->c; \
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ch = (proto)->lxc->c; \
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} while(0)
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#define UNGET_LAST_CHAR(proto) \
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@ -947,8 +977,8 @@ static HCL_INLINE int unread_last_char (hcl_server_proto_t* proto)
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} while (0)
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#define SET_TOKEN_TYPE(proto,tv) ((proto)->tok.type = (tv))
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#define ADD_TOKEN_CHAR(proto,c) \
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do { if (add_token_char(proto, c) <= -1) return -1; } while (0)
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#define ADD_TOKEN_CHAR(proto,ch) \
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do { if (add_token_char(proto, ch) <= -1) return -1; } while (0)
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static HCL_INLINE int add_token_char (hcl_server_proto_t* proto, hcl_ooch_t c)
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@ -1200,6 +1230,30 @@ static void send_error_message (hcl_server_proto_t* proto, const hcl_ooch_t* err
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}
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}
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static void send_proto_hcl_error (hcl_server_proto_t* proto)
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{
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hcl_errnum_t err;
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err = hcl_geterrnum(proto->hcl);
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if (err == HCL_ESYNERR)
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{
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const hcl_ooch_t* bem;
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hcl_synerr_t synerr;
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static hcl_ooch_t nullstr[] = { '\0' };
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/* concatenate the error message with the error location */
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hcl_getsynerr (proto->hcl, &synerr);
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bem = hcl_backuperrmsg(proto->hcl);
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hcl_seterrbfmt (proto->hcl, HCL_ESYNERR, "%js (%js%hs%zu,%zu)",
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bem,
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(synerr.loc.file? synerr.loc.file: nullstr),
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(synerr.loc.file? ":": ""),
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synerr.loc.line, synerr.loc.colm);
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}
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send_error_message (proto, hcl_geterrmsg(proto->hcl));
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}
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static void show_server_workers (hcl_server_proto_t* proto)
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{
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hcl_server_t* server;
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@ -1346,6 +1400,8 @@ int hcl_server_proto_handle_request (hcl_server_proto_t* proto)
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goto fail_with_errmsg;
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}
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if (hcl_endfeed(proto->hcl) <= -1) goto fail_with_errmsg;
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proto->worker->opstate = HCL_SERVER_WORKER_OPSTATE_EXECUTE;
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/* i must not jump to fail_with_errmsg when execute_script() fails.
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* it may have produced some normal output already. so the function
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@ -1356,59 +1412,62 @@ int hcl_server_proto_handle_request (hcl_server_proto_t* proto)
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case HCL_SERVER_PROTO_TOKEN_SCRIPT:
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{
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hcl_cnode_t* obj;
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hcl_ooci_t c;
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int n;
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hcl_ooch_t ch;
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hcl_oow_t feed_count = 0;
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|
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if (proto->req.state == HCL_SERVER_PROTO_REQ_IN_TOP_LEVEL)
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{
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hcl_setbaseinloc (proto->hcl, 1, 1);
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hcl_reset(proto->hcl);
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}
|
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/* do a special check bypassing get_token(). it checks if the script contents
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* come on the same line as .SCRIPT */
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/* check the first character after .SCRIPT */
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GET_CHAR_TO_WITH_GOTO (proto, c, fail_with_errmsg);
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while (is_spacechar(c)) GET_CHAR_TO (proto, c);
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if (c == HCL_OOCI_EOF || c == '\n')
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if (c == HCL_OOCI_EOF)
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{
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hcl_seterrbfmt (proto->hcl, HCL_EINVAL, "No contents on the .SCRIPT line");
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goto fail_with_errmsg;
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}
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UNGET_LAST_CHAR (proto);
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if (proto->req.state == HCL_SERVER_PROTO_REQ_IN_TOP_LEVEL) hcl_reset(proto->hcl);
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if (c == '\n') goto script_eol;
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proto->worker->opstate = HCL_SERVER_WORKER_OPSTATE_READ;
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obj = hcl_read(proto->hcl);
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if (!obj)
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if (!is_spacechar(c))
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{
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if (hcl_geterrnum(proto->hcl) == HCL_ESYNERR) reformat_synerr (proto->hcl);
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hcl_seterrbfmt (proto->hcl, HCL_EINVAL, "No space after .SCRIPT");
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goto fail_with_errmsg;
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}
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if (get_token(proto) <= -1)
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while (1)
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{
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hcl_freecnode (proto->hcl, obj);
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goto fail_with_errmsg;
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GET_CHAR_TO_WITH_GOTO (proto, c, fail_with_errmsg);
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if (c == '\n' || c == HCL_OOCI_EOF)
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{
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if (c == '\n')
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{
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script_eol:
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ch = c;
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if (hcl_feed(proto->hcl, &ch, 1) <= -1) goto fail_with_errmsg;
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feed_count++;
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}
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if (proto->tok.type != HCL_SERVER_PROTO_TOKEN_NL)
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{
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hcl_seterrbfmt (proto->hcl, HCL_EINVAL, "No new line after .SCRIPT contents");
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hcl_freecnode (proto->hcl, obj);
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goto fail_with_errmsg;
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break;
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}
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|
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proto->worker->opstate = HCL_SERVER_WORKER_OPSTATE_COMPILE;
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/*n = hcl_compile(proto->hcl, obj, HCL_COMPILE_CLEAR_CODE | HCL_COMPILE_CLEAR_FNBLK);*/
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n = hcl_compile(proto->hcl, obj, 0);
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hcl_freecnode (proto->hcl, obj);
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if (n <= -1)
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{
|
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if (hcl_geterrnum(proto->hcl) == HCL_ESYNERR) reformat_synerr (proto->hcl);
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goto fail_with_errmsg;
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ch = c;
|
||||
if (hcl_feed(proto->hcl, &ch, 1) <= -1) goto fail_with_errmsg;
|
||||
feed_count++;
|
||||
}
|
||||
|
||||
/*
|
||||
if (feed_count == 0)
|
||||
{
|
||||
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;
|
||||
}
|
||||
|
||||
22
lib/hcl.h
22
lib/hcl.h
@ -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
|
||||
* ========================================================================= */
|
||||
|
||||
176
lib/read.c
176
lib/read.c
@ -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)
|
||||
if (inp->xlen <= 0)
|
||||
{
|
||||
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)
|
||||
{
|
||||
/* <<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;
|
||||
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;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user