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-rw-r--r--lib/Automake/Parser/Tree.pm43
1 files changed, 28 insertions, 15 deletions
diff --git a/lib/Automake/Parser/Tree.pm b/lib/Automake/Parser/Tree.pm
index e6e9c9836..69153ff5b 100644
--- a/lib/Automake/Parser/Tree.pm
+++ b/lib/Automake/Parser/Tree.pm
@@ -3,19 +3,24 @@ package Tree;
use Exporter;
our @ISA = qw(Exporter);
-our @EXPORT = qw(input stmts stmt automakerule makerule conditional ifblock
-optionalelse optionalcond optionalrhs optionalcomments lhs rhs commentlist primaries
+our @EXPORT = qw(basedir input stmts stmt automakerule makerule conditional ifblock
+optionalelse optionalcond optionalrhs optionalcomments includerule lhs rhs commentlist primaries
optionlist traverse printgraph recursesubdirs);
+# Stores whether subdir directive is used or not. If used array
+# consist of subdirectories.
my $isSubdir = 0 , @subdirnodes = ();
+# Stores the value recieved by Parser.pl
+our $basedir;
+
# Grammar Rule : (1) input => stmts
# Create a node having child as stmts.
sub input($)
{
my ( $val ) = @_;
my %node = ( name => input, childs => [ $val ] );
- push @{$node{childs}}, subdirNode() if $#subdirnodes > -1;
+ push @{ $node{ childs } }, subdirNode() if $#subdirnodes > -1;
return \%node;
}
@@ -44,7 +49,7 @@ sub stmts($$;$)
}
else
{
- push @{$val1 -> { childs }}, $val2;
+ push @{ $val1 -> { childs } }, $val2;
return $val1;
}
}
@@ -70,7 +75,7 @@ sub automakerule($$$$;$)
{
my ( $val1, $val2, $val3, $val4, $val5 ) = @_;
my %node = (name => automakerule, childs => [ $val1 ]);
- if($val2->[0] eq '=')
+ if($val2 -> [0] eq '=')
{
push @{ $node{ childs }}, $val3;
push @{ $node{ childs }}, $val4 if $val4;
@@ -89,7 +94,7 @@ sub automakerule($$$$;$)
sub makerule($$$)
{
my ( $val1, $val2, $val3 ) = @_;
- my %node = (name => makerule, childs => [ $val1,$val3 ]);
+ my %node = ( name => makerule, childs => [ $val1,$val3 ]);
return \%node;
}
@@ -296,11 +301,19 @@ sub optionlist($$;$)
}
}
+# Grammar Rule : (1) includerule : include value
+# Create a node having the tree after parsing the included value.
+# String recieved as standard input is evaled to generate corresponding
+# tree.
sub includerule($$)
{
my ( $val1, $val2 ) = @_;
- print STDERR $val2;
- my %node = (name => includerule, value => $val2);
+ my $VAL1;
+ my $file = $val2 -> [1];
+ my $data = `parser.pl -include $basedir/$file`;
+ my %node = %{ eval( $data ) };
+ $node{ name } = includerule;
+ $node{ file } = $val2;
return \%node;
}
@@ -312,7 +325,7 @@ sub printgraph($)
print "graph graphname {\n";
my ( $ref ) = @_;
print "0 [label=\"Root\"];";
- traverse( $ref, 0);
+ traverse( $ref, 0 );
print "}\n";
}
@@ -324,9 +337,9 @@ my $id = 0;
# to Standard Output. Call all its child with Parent Id equal to current Node Id.
sub traverse($$)
{
- my ( $ref,$parent ) = @_;
+ my ( $ref , $parent ) = @_;
my %node = %$ref;
- return if $node{empty};
+ return if $node{ empty };
$id++;
my $curr_id = $id;
print "$parent--$id;\n";
@@ -355,12 +368,12 @@ sub traverse($$)
}
}
-# recursesubdirs(Basedir, Reference)
+# recursesubdirs( Tree Reference)
# Recurse into sub directories to generate AST
-sub recursesubdirs($$)
+sub recursesubdirs($)
{
- my ( $basedir , $ref) = @_;
- my %node= %$ref;
+ my ( $ref ) = @_;
+ my %node = %$ref;
if( scalar @{ $node{childs} } == 2)
{
my $subdirRef = $node{childs} -> [1];