Refactor IDL value checking into SemanticAnalyzer.pm

Source/bindings/scripts/generate-bindings.pl

Index: Source/bindings/scripts/generate-bindings.pl
diff --git a/Source/bindings/scripts/generate-bindings.pl b/Source/bindings/scripts/generate-bindings.pl
index b3f3d43298ac01f3e561873f5119d564763adf41..583ad4456a28725fdd54f783454213224b36b272 100755
--- a/Source/bindings/scripts/generate-bindings.pl
+++ b/Source/bindings/scripts/generate-bindings.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl -w -I../../core/scripts
 #
 # Copyright (C) 2005 Apple Computer, Inc.
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
@@ -38,6 +38,7 @@ use Cwd;
 
 use IDLParser;
 use CodeGeneratorV8;
+use SemanticAnalyzer;
 
 my @idlDirectories;
 my $outputDirectory;
@@ -121,8 +122,8 @@ my $targetParser = IDLParser->new(!$verbose);
 my $targetDocument = $targetParser->Parse($targetIdlFile, $defines, $preprocessor);
 
 if ($idlAttributesFile) {
-    my $idlAttributes = loadIDLAttributes($idlAttributesFile);
-    checkIDLAttributes($idlAttributes, $targetDocument, basename($targetIdlFile));
+    my $semanticAnalyzer = SemanticAnalyzer->new($idlAttributesFile);
+    $semanticAnalyzer->checkIDLAttributes($targetDocument, basename($targetIdlFile));
 }
 
 foreach my $idlFile (@supplementedIdlFiles) {
@@ -215,86 +216,3 @@ sub generateEmptyHeaderAndCpp
     print FH $contents;
     close FH;
 }
-
-sub loadIDLAttributes
-{
-    my $idlAttributesFile = shift;
-
-    my %idlAttributes;
-    open FH, "<", $idlAttributesFile or die "Couldn't open $idlAttributesFile: $!";
-    while (my $line = <FH>) {
-        chomp $line;
-        next if $line =~ /^\s*#/;
-        next if $line =~ /^\s*$/;
-
-        if ($line =~ /^\s*([^=\s]*)\s*=?\s*(.*)/) {
-            my $name = $1;
-            $idlAttributes{$name} = {};
-            if ($2) {
-                foreach my $rightValue (split /\|/, $2) {
-                    $rightValue =~ s/^\s*|\s*$//g;
-                    $rightValue = "VALUE_IS_MISSING" unless $rightValue;
-                    $idlAttributes{$name}{$rightValue} = 1;
-                }
-            } else {
-                $idlAttributes{$name}{"VALUE_IS_MISSING"} = 1;
-            }
-        } else {
-            die "The format of " . basename($idlAttributesFile) . " is wrong: line $.\n";
-        }
-    }
-    close FH;
-
-    return \%idlAttributes;
-}
-
-sub checkIDLAttributes
-{
-    my $idlAttributes = shift;
-    my $document = shift;
-    my $idlFile = shift;
-
-    foreach my $interface (@{$document->interfaces}) {
-        checkIfIDLAttributesExists($idlAttributes, $interface->extendedAttributes, $idlFile);
-
-        foreach my $attribute (@{$interface->attributes}) {
-            checkIfIDLAttributesExists($idlAttributes, $attribute->signature->extendedAttributes, $idlFile);
-        }
-
-        foreach my $function (@{$interface->functions}) {
-            checkIfIDLAttributesExists($idlAttributes, $function->signature->extendedAttributes, $idlFile);
-            foreach my $parameter (@{$function->parameters}) {
-                checkIfIDLAttributesExists($idlAttributes, $parameter->extendedAttributes, $idlFile);
-            }
-        }
-    }
-}
-
-sub checkIfIDLAttributesExists
-{
-    my $idlAttributes = shift;
-    my $extendedAttributes = shift;
-    my $idlFile = shift;
-
-    my $error;
-    OUTER: for my $name (keys %$extendedAttributes) {
-        if (!exists $idlAttributes->{$name}) {
-            $error = "Unknown IDL attribute [$name] is found at $idlFile.";
-            last OUTER;
-        }
-        if ($idlAttributes->{$name}{"*"}) {
-            next;
-        }
-        for my $rightValue (split /\s*\|\s*/, $extendedAttributes->{$name}) {
-            if (!exists $idlAttributes->{$name}{$rightValue}) {
-                $error = "Unknown IDL attribute [$name=" . $extendedAttributes->{$name} . "] is found at $idlFile.";
-                last OUTER;
-            }
-        }
-    }
-    if ($error) {
-        die "IDL ATTRIBUTE CHECKER ERROR: $error
-If you want to add a new IDL attribute, you need to add it to bindings/scripts/IDLAttributes.txt and add explanations to the Blink IDL document (http://chromium.org/blink/webidl).
-";
-    }
-}