diff options
Diffstat (limited to 'libcpp/lex.c')
| -rw-r--r-- | libcpp/lex.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/libcpp/lex.c b/libcpp/lex.c index 463b5c8..75b2b1d 100644 --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -1975,8 +1975,11 @@ _cpp_lex_direct (cpp_reader *pfile) } c = *buffer->cur++; - result->src_loc = linemap_position_for_column (pfile->line_table, - CPP_BUF_COLUMN (buffer, buffer->cur)); + if (pfile->forced_token_location_p) + result->src_loc = *pfile->forced_token_location_p; + else + result->src_loc = linemap_position_for_column (pfile->line_table, + CPP_BUF_COLUMN (buffer, buffer->cur)); switch (c) { @@ -2839,3 +2842,21 @@ cpp_token_val_index (cpp_token *tok) return CPP_TOKEN_FLD_NONE; } } + +/* All tokens lexed in R after calling this function will be forced to have + their source_location the same as the location referenced by P, until + cpp_stop_forcing_token_locations is called for R. */ + +void +cpp_force_token_locations (cpp_reader *r, source_location *p) +{ + r->forced_token_location_p = p; +} + +/* Go back to assigning locations naturally for lexed tokens. */ + +void +cpp_stop_forcing_token_locations (cpp_reader *r) +{ + r->forced_token_location_p = NULL; +} |