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Rename process_conditional() to process_compiler_directive()

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2012-12-05 14:53:03 -08:00
parent 189cd59650
commit 8139f2ad91
1 changed files with 25 additions and 25 deletions
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50
Shorewall/Perl/Shorewall/Config.pm
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@ -1914,15 +1914,15 @@ sub close_file() {
sub have_capability( $ );
#
# Report an error or warning from process_conditional()
# Report an error or warning from process_compiler_directive()
#
sub cond_error( $$$ ) {
sub directive_error( $$$ ) {
$currentfilename = $_[1];
$currentlinenumber = $_[2];
fatal_error $_[0];
}
sub cond_warning( $$$ ) {
sub directive_warning( $$$ ) {
my ( $savefilename, $savelineno ) = ( $currentfilename, $currentlinenumber );
( my $warning, $currentfilename, $currentlinenumber ) = @_;
warning_message $warning;
@ -1930,7 +1930,7 @@ sub cond_warning( $$$ ) {
}
#
# Evaluate an expression in an ?IF or ?ELSIF directive
# Evaluate an expression in an ?IF, ?ELSIF or ?SET directive
#
sub evaluate_expression( $$$ ) {
my ( $expression , $filename , $linenumber ) = @_;
@ -1952,7 +1952,7 @@ sub evaluate_expression( $$$ ) {
( ( $first =~ tr/'/'/ ) & 1 ) ) ); # There are an odd number of single quotes preceding the value
$expression = join( '', $first, $val, $rest );
cond_error( "Variable Expansion Loop" , $filename, $linenumber ) if ++$count > 100;
directive_error( "Variable Expansion Loop" , $filename, $linenumber ) if ++$count > 100;
}
# $1 $2 $3 - $4
@ -1969,7 +1969,7 @@ sub evaluate_expression( $$$ ) {
} elsif ( $cap =~ /^IPV([46])$/ ) {
$val = ( $family == $1 ) || 0;
} else {
cond_error "Unknown capability ($cap)", $filename, $linenumber;
directive_error "Unknown capability ($cap)", $filename, $linenumber;
}
$expression = join( '', $first, $val, $rest );
@ -1986,7 +1986,7 @@ sub evaluate_expression( $$$ ) {
$val = eval qq(package Shorewall::User;\nuse strict;\n# line $linenumber "$filename"\n$expression);
unless ( $val ) {
cond_error( "Couldn't parse expression ($expression): $@" , $filename, $linenumber ) if $@;
directive_error( "Couldn't parse expression ($expression): $@" , $filename, $linenumber ) if $@;
$val = '' unless defined $val;
}
}
@ -2002,12 +2002,12 @@ sub evaluate_expression( $$$ ) {
# [2] = True if we have included any block of the current IF...ELSEIF....ELSEIF... sequence.
# [3] = The line number of the directive
#
sub process_conditional( $$$$ ) {
sub process_compiler_directive( $$$$ ) {
my ( $omitting, $line, $filename, $linenumber ) = @_;
print "CD===> $line\n" if $debug;
cond_error( "Invalid compiler directive ($line)" , $filename, $linenumber ) unless $line =~ /^\s*\?(IF\s+|ELSE|ELSIF\s+|ENDIF|SET\s+|RESET\s+)(.*)$/i;
directive_error( "Invalid compiler directive ($line)" , $filename, $linenumber ) unless $line =~ /^\s*\?(IF\s+|ELSE|ELSIF\s+|ENDIF|SET\s+|RESET\s+)(.*)$/i;
my ($keyword, $expression) = ( uc $1, $2 );
@ -2021,13 +2021,13 @@ sub process_conditional( $$$$ ) {
my ( $lastkeyword, $prioromit, $included, $lastlinenumber ) = @ifstack ? @{$ifstack[-1]} : ('', 0, 0, 0 );
if ( $keyword =~ /^IF/ ) {
cond_error( "Missing IF expression" , $filename, $linenumber ) unless supplied $expression;
directive_error( "Missing IF expression" , $filename, $linenumber ) unless supplied $expression;
my $nextomitting = $omitting || ! evaluate_expression( $expression , $filename, $linenumber );
push @ifstack, [ 'IF', $omitting, ! $nextomitting, $linenumber ];
$omitting = $nextomitting;
} elsif ( $keyword =~ /^ELSIF/ ) {
cond_error( "?ELSIF has no matching ?IF" , $filename, $linenumber ) unless @ifstack > $ifstack && $lastkeyword =~ /IF/;
cond_error( "Missing IF expression" , $filename, $linenumber ) unless $expression;
directive_error( "?ELSIF has no matching ?IF" , $filename, $linenumber ) unless @ifstack > $ifstack && $lastkeyword =~ /IF/;
directive_error( "Missing IF expression" , $filename, $linenumber ) unless $expression;
if ( $omitting && ! $included ) {
#
# We can only change to including if we were previously omitting
@ -2042,33 +2042,33 @@ sub process_conditional( $$$$ ) {
}
$ifstack[-1] = [ 'ELSIF', $prioromit, $included, $lastlinenumber ];
} elsif ( $keyword eq 'ELSE' ) {
cond_error( "Invalid ?ELSE" , $filename, $linenumber ) unless $expression eq '';
cond_error( "?ELSE has no matching ?IF" , $filename, $linenumber ) unless @ifstack > $ifstack && $lastkeyword =~ /IF/;
directive_error( "Invalid ?ELSE" , $filename, $linenumber ) unless $expression eq '';
directive_error( "?ELSE has no matching ?IF" , $filename, $linenumber ) unless @ifstack > $ifstack && $lastkeyword =~ /IF/;
$omitting = $included || ! $omitting unless $prioromit;
$ifstack[-1] = [ 'ELSE', $prioromit, 1, $lastlinenumber ];
} elsif ( $keyword eq 'ENDIF' ) {
cond_error( "Invalid ?ENDIF" , $filename, $linenumber ) unless $expression eq '';
cond_error( q(Unexpected "?ENDIF" without matching ?IF or ?ELSE) , $filename, $linenumber ) if @ifstack <= $ifstack;
directive_error( "Invalid ?ENDIF" , $filename, $linenumber ) unless $expression eq '';
directive_error( q(Unexpected "?ENDIF" without matching ?IF or ?ELSE) , $filename, $linenumber ) if @ifstack <= $ifstack;
$omitting = $prioromit;
pop @ifstack;
} elsif ( ! $omitting ) {
if ( $keyword =~ /^SET/ ) {
fatal_error( "Missing SET variable", $filename, $linenumber ) unless supplied $expression;
( my $var , $expression ) = split ' ', $expression, 2;
cond_error( "Invalid SET variable ($var)", $filename, $linenumber) unless $var =~ /^\$?([a-zA-Z]\w*)$/;
cond_error( "Missing SET expression" , $filename, $linenumber) unless supplied $expression;
directive_error( "Invalid SET variable ($var)", $filename, $linenumber) unless $var =~ /^\$?([a-zA-Z]\w*)$/;
directive_error( "Missing SET expression" , $filename, $linenumber) unless supplied $expression;
$variables{$1} = evaluate_expression( $expression,
$filename,
$linenumber );
} else {
my $var = $expression;
cond_error( "Missing RESET variable", $filename, $linenumber) unless supplied $var;
cond_error( "Invalid RESET variable ($var)", $filename, $linenumber) unless $var =~ /^\$?([a-zA-Z]\w*)$/;
directive_error( "Missing RESET variable", $filename, $linenumber) unless supplied $var;
directive_error( "Invalid RESET variable ($var)", $filename, $linenumber) unless $var =~ /^\$?([a-zA-Z]\w*)$/;
if ( exists $variables{$1} ) {
delete $variables{$1};
} else {
cond_warning( "Variable $1 does not exist", $filename, $linenumber );
directive_warning( "Variable $1 does not exist", $filename, $linenumber );
}
}
}
@ -2098,7 +2098,7 @@ sub copy( $ ) {
$lineno++;
if ( /^\s*\?/ ) {
$omitting = process_conditional( $omitting, $_, $file, $lineno );
$omitting = process_compiler_directive( $omitting, $_, $file, $lineno );
next;
}
@ -2151,7 +2151,7 @@ sub copy1( $ ) {
chomp;
if ( /^\s*\?/ ) {
$omitting = process_conditional( $omitting, $_, $currentfilename, $currentlinenumber );
$omitting = process_compiler_directive( $omitting, $_, $currentfilename, $currentlinenumber );
next;
}
@ -2282,7 +2282,7 @@ EOF
chomp;
if ( /^\s*\?/ ) {
$omitting = process_conditional( $omitting, $_, $file, $lineno );
$omitting = process_compiler_directive( $omitting, $_, $file, $lineno );
next;
}
@ -2661,7 +2661,7 @@ sub read_a_line($) {
# Handle conditionals
#
if ( /^\s*\?(?:IF|ELSE|ELSIF|ENDIF|SET|RESET)/i ) {
$omitting = process_conditional( $omitting, $_, $currentfilename, $. );
$omitting = process_compiler_directive( $omitting, $_, $currentfilename, $. );
next;
}