X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/0a8bf3afca415fec94742cf830622b22f186062c..6c6f1994bf684f510d600bd18023fa01b4b06500:/src/doc.c diff --git a/src/doc.c b/src/doc.c index 16c0d4090a..04af74102e 100644 --- a/src/doc.c +++ b/src/doc.c @@ -33,7 +33,6 @@ along with GNU Emacs. If not, see . */ #include "buffer.h" #include "keyboard.h" #include "keymap.h" -#include "buildobj.h" Lisp_Object Qfunction_documentation; @@ -58,7 +57,7 @@ read_bytecode_char (bool unreadflag) } /* Extract a doc string from a file. FILEPOS says where to get it. - If it is an integer, use that position in the standard DOC-... file. + If it is an integer, use that position in the standard DOC file. If it is (FILE . INTEGER), use FILE as the file name and INTEGER as the position in that file. But if INTEGER is negative, make it positive. @@ -176,9 +175,9 @@ get_doc_string (Lisp_Object filepos, bool unibyte, bool definition) if (space_left <= 0) { ptrdiff_t in_buffer = p - get_doc_string_buffer; - get_doc_string_buffer = - xpalloc (get_doc_string_buffer, &get_doc_string_buffer_size, - 16 * 1024, -1, 1); + get_doc_string_buffer + = xpalloc (get_doc_string_buffer, &get_doc_string_buffer_size, + 16 * 1024, -1, 1); p = get_doc_string_buffer + in_buffer; space_left = (get_doc_string_buffer_size - 1 - (p - get_doc_string_buffer)); @@ -215,14 +214,20 @@ get_doc_string (Lisp_Object filepos, bool unibyte, bool definition) if (CONSP (filepos)) { int test = 1; - if (get_doc_string_buffer[offset - test++] != ' ') - return Qnil; - while (get_doc_string_buffer[offset - test] >= '0' - && get_doc_string_buffer[offset - test] <= '9') - test++; - if (get_doc_string_buffer[offset - test++] != '@' - || get_doc_string_buffer[offset - test] != '#') - return Qnil; + /* A dynamic docstring should be either at the very beginning of a "#@ + comment" or right after a dynamic docstring delimiter (in case we + pack several such docstrings within the same comment). */ + if (get_doc_string_buffer[offset - test] != '\037') + { + if (get_doc_string_buffer[offset - test++] != ' ') + return Qnil; + while (get_doc_string_buffer[offset - test] >= '0' + && get_doc_string_buffer[offset - test] <= '9') + test++; + if (get_doc_string_buffer[offset - test++] != '@' + || get_doc_string_buffer[offset - test] != '#') + return Qnil; + } } else { @@ -279,10 +284,10 @@ Invalid data in documentation file -- %c followed by code %03o", else { /* The data determines whether the string is multibyte. */ - ptrdiff_t nchars = - multibyte_chars_in_text (((unsigned char *) get_doc_string_buffer - + offset), - to - (get_doc_string_buffer + offset)); + ptrdiff_t nchars + = multibyte_chars_in_text (((unsigned char *) get_doc_string_buffer + + offset), + to - (get_doc_string_buffer + offset)); return make_string_from_bytes (get_doc_string_buffer + offset, nchars, to - (get_doc_string_buffer + offset)); @@ -549,7 +554,6 @@ store_function_docstring (Lisp_Object obj, ptrdiff_t offset) } } -static const char buildobj[] = BUILDOBJ; DEFUN ("Snarf-documentation", Fsnarf_documentation, Ssnarf_documentation, 1, 1, 0, @@ -592,32 +596,20 @@ the same file name is found in the `doc-directory'. */) /* Vbuild_files is nil when temacs is run, and non-nil after that. */ if (NILP (Vbuild_files)) - { - const char *beg, *end; - - for (beg = buildobj; *beg; beg = end) - { - ptrdiff_t len; - - while (*beg && c_isspace (*beg)) ++beg; - - for (end = beg; *end && ! c_isspace (*end); ++end) - if (*end == '/') beg = end+1; /* skip directory part */ - - len = end - beg; - if (len > 4 && end[-4] == '.' && end[-3] == 'o') - len -= 2; /* Just take .o if it ends in .obj */ - - if (len > 0) - Vbuild_files = Fcons (make_string (beg, len), Vbuild_files); - } - Vbuild_files = Fpurecopy (Vbuild_files); - } + { + static char const *const buildobj[] = + { + #include "buildobj.h" + }; + int i = sizeof buildobj / sizeof *buildobj; + while (0 <= --i) + Vbuild_files = Fcons (build_string (buildobj[i]), Vbuild_files); + Vbuild_files = Fpurecopy (Vbuild_files); + } fd = emacs_open (name, O_RDONLY, 0); if (fd < 0) - report_file_error ("Opening doc string file", - Fcons (build_string (name), Qnil)); + report_file_error ("Opening doc string file", list1 (build_string (name))); Vdoc_file_name = filename; filled = 0; pos = 0; @@ -630,11 +622,10 @@ the same file name is found in the `doc-directory'. */) break; buf[filled] = 0; - p = buf; end = buf + (filled < 512 ? filled : filled - 128); - while (p != end && *p != '\037') p++; + p = memchr (buf, '\037', end - buf); /* p points to ^_Ffunctionname\n or ^_Vvarname\n or ^_Sfilename\n. */ - if (p != end) + if (p) { end = strchr (p, '\n'); @@ -753,9 +744,7 @@ Otherwise, return a new string, without any text properties. */) or a specified local map (which means search just that and the global map). If non-nil, it might come from Voverriding_local_map, or from a \\ construct in STRING itself.. */ - keymap = KVAR (current_kboard, Voverriding_terminal_local_map); - if (NILP (keymap)) - keymap = Voverriding_local_map; + keymap = Voverriding_local_map; bsize = SBYTES (string); bufp = buf = xmalloc (bsize);