diff options
Diffstat (limited to 'libcpp/lex.c')
| -rw-r--r-- | libcpp/lex.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libcpp/lex.c b/libcpp/lex.c index 2eb66bd..57364f0 100644 --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -55,6 +55,7 @@ static int skip_line_comment (cpp_reader *); static void skip_whitespace (cpp_reader *, cppchar_t); static void lex_string (cpp_reader *, cpp_token *, const uchar *); static void save_comment (cpp_reader *, cpp_token *, const uchar *, cppchar_t); +static void store_comment (cpp_reader *, cpp_token *); static void create_literal (cpp_reader *, cpp_token *, const uchar *, unsigned int, enum cpp_ttype); static bool warn_in_comment (cpp_reader *, _cpp_line_note *); @@ -670,6 +671,51 @@ lex_string (cpp_reader *pfile, cpp_token *token, const uchar *base) create_literal (pfile, token, base, cur - base, type); } +/* Return the comment table. The client may not make any assumption + about the ordering of the table. */ +cpp_comment_table * +cpp_get_comments (cpp_reader *pfile) +{ + return &pfile->comments; +} + +/* Append a comment to the end of the comment table. */ +static void +store_comment (cpp_reader *pfile, cpp_token *token) +{ + int len; + + if (pfile->comments.allocated == 0) + { + pfile->comments.allocated = 256; + pfile->comments.entries = (cpp_comment *) xmalloc + (pfile->comments.allocated * sizeof (cpp_comment)); + } + + if (pfile->comments.count == pfile->comments.allocated) + { + pfile->comments.allocated *= 2; + pfile->comments.entries = (cpp_comment *) xrealloc + (pfile->comments.entries, + pfile->comments.allocated * sizeof (cpp_comment)); + } + + len = token->val.str.len; + + /* Copy comment. Note, token may not be NULL terminated. */ + pfile->comments.entries[pfile->comments.count].comment = + (char *) xmalloc (sizeof (char) * (len + 1)); + memcpy (pfile->comments.entries[pfile->comments.count].comment, + token->val.str.text, len); + pfile->comments.entries[pfile->comments.count].comment[len] = '\0'; + + /* Set source location. */ + pfile->comments.entries[pfile->comments.count].sloc = token->src_loc; + + /* Increment the count of entries in the comment table. */ + pfile->comments.count++; +} + /* The stored comment includes the comment start and any terminator. */ static void save_comment (cpp_reader *pfile, cpp_token *token, const unsigned char *from, @@ -709,6 +755,9 @@ save_comment (cpp_reader *pfile, cpp_token *token, const unsigned char *from, buffer[clen - 2] = '*'; buffer[clen - 1] = '/'; } + + /* Finally store this comment for use by clients of libcpp. */ + store_comment (pfile, token); } /* Allocate COUNT tokens for RUN. */ |