diff options
Diffstat (limited to 'util')
| -rwxr-xr-x | util/lint/kconfig_lint | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/util/lint/kconfig_lint b/util/lint/kconfig_lint index dc01e718a5..6cf05a4b63 100755 --- a/util/lint/kconfig_lint +++ b/util/lint/kconfig_lint @@ -193,7 +193,7 @@ sub check_for_ifdef { #look for #ifdef SYMBOL while ( my $line = shift @ifdef_symbols ) { - if ( $line =~ /^([^:]+):(\d+):\s*#\s*ifn?def\s*\(?\s*CONFIG_(\w+)/ ) { + if ( $line =~ /^([^:]+):(\d+):\s*#\s*ifn?def\s*\(?\s*CONFIG(?:_|\()(\w+)/ ) { my $file = $1; my $lineno = $2; my $symbol = $3; @@ -202,7 +202,7 @@ sub check_for_ifdef { show_warning( "#ifdef 'CONFIG_$symbol' used at $file:$lineno." . " Symbols of type '$symbols{$symbol}{type}' are always defined." ); } - } elsif ( $line =~ /^([^:]+):(\d+):\s*#\s*if\s+!?\s*defined\s*\(?\s*CONFIG_(\w+)/ ) { + } elsif ( $line =~ /^([^:]+):(\d+):\s*#\s*if\s+!?\s*defined\s*\(?\s*CONFIG(?:_|\()(\w+)/ ) { my $file = $1; my $lineno = $2; my $symbol = $3; @@ -217,7 +217,7 @@ sub check_for_ifdef { # look for (#if) defined SYMBOL @ifdef_symbols = @collected_symbols; while ( my $line = shift @ifdef_symbols ) { - if ( $line =~ /^([^:]+):(\d+):.+defined\s*\(\s*CONFIG_(\w+)/ ) { + if ( $line =~ /^([^:]+):(\d+):.+defined\s*\(\s*CONFIG(?:_|\()(\w+)/ ) { my $file = $1; my $lineno = $2; my $symbol = $3; @@ -308,16 +308,35 @@ sub check_type { } #------------------------------------------------------------------------------- -# check_is_enabled - The IS_ENABLED() macro is only valid for symbols of type -# bool. It would probably work on type hex or int if the value was 0 or 1, but -# this seems like a bad plan. Using it on strings is dead out. +# check_is_enabled - The IS_ENABLED() and CONFIG() macros are only valid for +# symbols of type bool. It would probably work on type hex or int if the value +# was 0 or 1, but this seems like a bad plan. Using it on strings is dead out. #------------------------------------------------------------------------------- sub check_is_enabled { my @is_enabled_symbols = @collected_symbols; #sort through symbols found by grep and store them in a hash for easy access while ( my $line = shift @is_enabled_symbols ) { - if ( $line =~ /^([^:]+):(\d+):(.+IS_ENABLED.*)/ ) { + if ( $line =~ /^([^:]+):(\d+):(.+\bCONFIG\(.*)/ ) { + my $file = $1; + my $lineno = $2; + $line = $3; + while ( $line =~ /(.*)\bCONFIG\(([^)]*)\)(.*)/ ) { + my $symbol = $2; + $line = $1 . $3; + + #make sure that the type is bool + if ( exists $symbols{$symbol} ) { + if ( $symbols{$symbol}{type} ne "bool" ) { + show_error( "CONFIG($symbol) used at $file:$lineno." + . " CONFIG() is only valid for type 'bool', not '$symbols{$symbol}{type}'." ); + } + } + else { + show_warning("CONFIG() used on unknown value ($symbol) at $file:$lineno."); + } + } + } elsif ( $line =~ /^([^:]+):(\d+):(.+IS_ENABLED.*)/ ) { my $file = $1; my $lineno = $2; $line = $3; @@ -334,6 +353,8 @@ sub check_is_enabled { if ( $symbols{$symbol}{type} ne "bool" ) { show_error( "IS_ENABLED(CONFIG_$symbol) used at $file:$lineno." . " IS_ENABLED is only valid for type 'bool', not '$symbols{$symbol}{type}'." ); + } else { + show_warning("IS_ENABLED(CONFIG_$symbol) at $file:$lineno is deprecated. Use CONFIG($symbol) instead." ); } } else { @@ -348,10 +369,10 @@ sub check_is_enabled { if ( exists $symbols{$symbol} ) { if ( $symbols{$symbol}{type} eq "bool" ) { show_error( "#if CONFIG_$symbol used at $file:$lineno." - . " IS_ENABLED should be used for type 'bool'" ); + . " CONFIG($symbol) should be used for type 'bool'" ); } } - } elsif ( $line =~ /^([^:]+):(\d+):\s*#\s*(?:el)?if.*(?:&&|\|\|)\s+!?\s*\(?\s*CONFIG_(\w+)\)?(\s*==\s*1)?$/ ) { + } elsif ( $line =~ /^([^:]+):(\d+):\s*#\s*(?:el)?if.*(?:&&|\|\|)\s+!?\s*\(?\s*CONFIG_(\w+)\)?(\s*==\s*1)?$/ ) { my $file = $1; my $lineno = $2; my $symbol = $3; @@ -359,7 +380,7 @@ sub check_is_enabled { if ( exists $symbols{$symbol} ) { if ( $symbols{$symbol}{type} eq "bool" ) { show_error( "#if CONFIG_$symbol used at $file:$lineno." - . " IS_ENABLED should be used for type 'bool'" ); + . " CONFIG($symbol) should be used for type 'bool'" ); } } } @@ -471,17 +492,17 @@ sub collect_used_symbols { # find all references to CONFIG_ statements in the tree if ($dont_use_git_grep) { - @collected_symbols = `grep -Irn -- "CONFIG_" | grep -v '$exclude_dirs_and_files'; grep -In -- "CONFIG_" $payload_files_to_check`; + @collected_symbols = `grep -Irn -- "CONFIG\\(_\\|(\\)" | grep -v '$exclude_dirs_and_files'; grep -In -- "CONFIG\\(_\\|(\\)" $payload_files_to_check`; } else { - @collected_symbols = `git grep -In -- "CONFIG_" | grep -v '$exclude_dirs_and_files'; git grep -In -- "CONFIG_" $payload_files_to_check`; + @collected_symbols = `git grep -In -- "CONFIG\\(_\\|(\\)" | grep -v '$exclude_dirs_and_files'; git grep -In -- "CONFIG\\(_\\|(\\)" $payload_files_to_check`; } my @used_symbols = @collected_symbols; #sort through symbols found by grep and store them in a hash for easy access while ( my $line = shift @used_symbols ) { - while ( $line =~ /[^A-Za-z0-9_]CONFIG_([A-Za-z0-9_]+)/g ) { + while ( $line =~ /[^A-Za-z0-9_]CONFIG(?:_|\()([A-Za-z0-9_]+)/g ) { my $symbol = $1; my $filename = ""; if ( $line =~ /^([^:]+):/ ) { @@ -684,9 +705,9 @@ sub build_and_parse_kconfig_tree { # visible if <expr> elsif ( $line =~ /^\s*visible if.*$/ ) { - # Must come directly after menu line (and on a separate line) - # but kconfig already checks for that. - # Ignore it. + # Must come directly after menu line (and on a separate line) + # but kconfig already checks for that. + # Ignore it. } # endmenu |