Module: gas-preprocessor Branch: master Commit: 0b4738e1e50184a9523da4cb2a19cad942645915
Author: Martin Storsjo <[email protected]> Committer: Martin Storsjo <[email protected]> Date: Tue Jul 23 10:36:11 2013 +0300 Only replace symbols with their corresponding value if the symbol is defined This avoids replacing a substring like x0123 in hex constants with an empty string. --- gas-preprocessor.pl | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/gas-preprocessor.pl b/gas-preprocessor.pl index 803f3b0..f932c60 100755 --- a/gas-preprocessor.pl +++ b/gas-preprocessor.pl @@ -135,7 +135,10 @@ while (<ASMFILE>) { sub eval_expr { my $expr = $_[0]; - $expr =~ s/([A-Za-z._][A-Za-z0-9._]*)/$symbols{$1}/g; + while ($expr =~ /([A-Za-z._][A-Za-z0-9._]*)/g) { + my $sym = $1; + $expr =~ s/$sym/$symbols{$sym}/ if defined $symbols{$sym}; + } eval $expr; } _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
