Add Python flow to bindings generation, move dummy-generating IDL files over

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
deleted file mode 100755
index e14e5e2b00675879a398fa44e47cad0cfa023d4c..0000000000000000000000000000000000000000
--- a/Source/bindings/scripts/generate-bindings.pl
+++ /dev/null
@@ -1,311 +0,0 @@
-#!/usr/bin/perl -w
-#
-# Copyright (C) 2005 Apple Computer, Inc.
-# Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
-# 
-# This file is part of WebKit
-# 
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Library General Public
-# License as published by the Free Software Foundation; either
-# version 2 of the License, or (at your option) any later version.
-# 
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Library General Public License for more details.
-# 
-# You should have received a copy of the GNU Library General Public License
-# along with this library; see the file COPYING.LIB.  If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-# Boston, MA 02110-1301, USA.
-# 
-
-# This script is a temporary hack. 
-# Files are generated in the source directory, when they really should go
-# to the DerivedSources directory.
-# This should also eventually be a build rule driven off of .idl files
-# however a build rule only solution is blocked by several radars:
-# <rdar://problems/4251781&4251785>
-
-use strict;
-
-use File::Path;
-use File::Basename;
-use Getopt::Long;
-use Text::ParseWords;
-use Cwd;
-
-use IDLParser;
-use CodeGeneratorV8;
-use IDLSerializer;
-
-my @idlDirectories;
-my $outputDirectory;
-my $defines;
-my $filename;
-my $preprocessor;
-my $verbose;
-my $interfaceDependenciesFile;
-my $additionalIdlFiles;
-my $idlAttributesFile;
-my $writeFileOnlyIfChanged;
-
-GetOptions('include=s@' => \@idlDirectories,
-           'outputDir=s' => \$outputDirectory,
-           'defines=s' => \$defines,
-           'filename=s' => \$filename,
-           'preprocessor=s' => \$preprocessor,
-           'verbose' => \$verbose,
-           'interfaceDependenciesFile=s' => \$interfaceDependenciesFile,
-           'additionalIdlFiles=s' => \$additionalIdlFiles,
-           'idlAttributesFile=s' => \$idlAttributesFile,
-           'write-file-only-if-changed=s' => \$writeFileOnlyIfChanged);
-
-my $targetIdlFile = $ARGV[0];
-
-die('Must specify input file.') unless defined($targetIdlFile);
-die('Must specify output directory.') unless defined($outputDirectory);
-$defines = "" unless defined($defines);
-
-$targetIdlFile = Cwd::realpath($targetIdlFile);
-if ($verbose) {
-    print "$targetIdlFile\n";
-}
-my $targetInterfaceName = fileparse(basename($targetIdlFile), ".idl");
-
-my $idlFound = 0;
-my @dependencyIdlFiles;
-if ($interfaceDependenciesFile) {
-    # The format of the interface dependencies file:
-    #
-    # Window.idl P.idl Q.idl R.idl
-    # Document.idl S.idl
-    # Event.idl
-    # ...
-    #
-    # The above indicates that Window.idl depends on P.idl, Q.idl, and R.idl,
-    # Document.idl depends on S.idl, and Event.idl depends on no IDLs.
-    # A dependency IDL file (one that is depended on by another IDL, e.g. P.idl
-    # in the above) does not have its own entry in the dependency file.
-    open FH, "< $interfaceDependenciesFile" or die "Cannot open $interfaceDependenciesFile\n";
-    while (my $line = <FH>) {
-        my ($idlFile, @followingIdlFiles) = split(/\s+/, $line);
-        if ($idlFile and basename($idlFile) eq basename($targetIdlFile)) {
-            $idlFound = 1;
-            # We sort the dependency IDL files so that the corresponding code is generated
-            # in a consistent order. This is important for the bindings tests.
-            @dependencyIdlFiles = sort @followingIdlFiles;
-        }
-    }
-    close FH;
-
-    # $additionalIdlFiles is list of IDL files which should not be included in
-    # DerivedSources*.cpp (i.e. they are not described in the interface
-    # dependencies file) but should generate .h and .cpp files.
-    if (!$idlFound and $additionalIdlFiles) {
-        my @idlFiles = shellwords($additionalIdlFiles);
-        $idlFound = grep { $_ and basename($_) eq basename($targetIdlFile) } @idlFiles;
-    }
-
-    if (!$idlFound) {
-        # We generate empty .h and .cpp files just to tell build scripts that .h and .cpp files are created.
-        generateEmptyHeaderAndCpp($targetInterfaceName, $outputDirectory);
-        exit 0;
-    }
-}
-
-# Parse the target IDL file.
-my $targetParser = IDLParser->new(!$verbose);
-my $targetDocument = $targetParser->Parse($targetIdlFile, $defines, $preprocessor);
-
-if ($idlAttributesFile) {
-    my $idlAttributes = loadIDLAttributes($idlAttributesFile);
-    checkIDLAttributes($idlAttributes, $targetDocument, basename($targetIdlFile));
-}
-
-foreach my $idlFile (@dependencyIdlFiles) {
-    next if $idlFile eq $targetIdlFile;
-
-    my $interfaceName = fileparse(basename($idlFile), ".idl");
-    my $parser = IDLParser->new(!$verbose);
-    my $document = $parser->Parse($idlFile, $defines, $preprocessor);
-
-    foreach my $interface (@{$document->interfaces}) {
-        if (!$interface->isPartial || $interface->name eq $targetInterfaceName) {
-            my $targetDataNode;
-            foreach my $interface (@{$targetDocument->interfaces}) {
-                if ($interface->name eq $targetInterfaceName) {
-                    $targetDataNode = $interface;
-                    last;
-                }
-            }
-            die "Not found an interface ${targetInterfaceName} in ${targetInterfaceName}.idl." unless defined $targetDataNode;
-
-            # Support for attributes of partial interfaces.
-            foreach my $attribute (@{$interface->attributes}) {
-                # Record that this attribute is implemented by $interfaceName.
-                $attribute->extendedAttributes->{"ImplementedBy"} = $interfaceName if $interface->isPartial;
-
-                # Add interface-wide extended attributes to each attribute.
-                applyInterfaceExtendedAttributes($interface, $attribute->extendedAttributes);
-
-                push(@{$targetDataNode->attributes}, $attribute);
-            }
-
-            # Support for methods of partial interfaces.
-            foreach my $function (@{$interface->functions}) {
-                # Record that this method is implemented by $interfaceName.
-                $function->extendedAttributes->{"ImplementedBy"} = $interfaceName if $interface->isPartial;
-
-                # Add interface-wide extended attributes to each method.
-                applyInterfaceExtendedAttributes($interface, $function->extendedAttributes);
-
-                push(@{$targetDataNode->functions}, $function);
-            }
-
-            # Support for constants of partial interfaces.
-            foreach my $constant (@{$interface->constants}) {
-                # Record that this constant is implemented by $interfaceName.
-                $constant->extendedAttributes->{"ImplementedBy"} = $interfaceName if $interface->isPartial;
-
-                # Add interface-wide extended attributes to each constant.
-                applyInterfaceExtendedAttributes($interface, $constant->extendedAttributes);
-
-                push(@{$targetDataNode->constants}, $constant);
-            }
-        } else {
-            die "$idlFile is not a dependency of $targetIdlFile. There maybe a bug in the dependency computer (compute_dependencies.py).\n";
-        }
-    }
-}
-
-# FIXME: This code will be removed once IDLParser.pm and CodeGeneratorV8.pm
-# are connected via JSON files. See http://crbug.com/242795
-$targetDocument = deserializeJSON(serializeJSON($targetDocument));
-
-# Generate desired output for the target IDL file.
-my @interfaceIdlFiles = ($targetDocument->fileName(), @dependencyIdlFiles);
-my $codeGenerator = CodeGeneratorV8->new($targetDocument, \@idlDirectories, $preprocessor, $defines, $verbose, \@interfaceIdlFiles, $writeFileOnlyIfChanged);
-my $interfaces = $targetDocument->interfaces;
-foreach my $interface (@$interfaces) {
-    print "Generating bindings code for IDL interface \"" . $interface->name . "\"...\n" if $verbose;
-    $codeGenerator->GenerateInterface($interface);
-    $codeGenerator->WriteData($interface, $outputDirectory);
-}
-
-sub generateEmptyHeaderAndCpp
-{
-    my ($targetInterfaceName, $outputDirectory) = @_;
-
-    my $headerName = "V8${targetInterfaceName}.h";
-    my $cppName = "V8${targetInterfaceName}.cpp";
-    my $contents = "/*
-    This file is generated just to tell build scripts that $headerName and
-    $cppName are created for ${targetInterfaceName}.idl, and thus
-    prevent the build scripts from trying to generate $headerName and
-    $cppName at every build. This file must not be tried to compile.
-*/
-";
-    open FH, "> ${outputDirectory}/${headerName}" or die "Cannot open $headerName\n";
-    print FH $contents;
-    close FH;
-
-    open FH, "> ${outputDirectory}/${cppName}" or die "Cannot open $cppName\n";
-    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->extendedAttributes, $idlFile);
-        }
-
-        foreach my $function (@{$interface->functions}) {
-            checkIfIDLAttributesExists($idlAttributes, $function->extendedAttributes, $idlFile);
-            foreach my $parameter (@{$function->parameters}) {
-                checkIfIDLAttributesExists($idlAttributes, $parameter->extendedAttributes, $idlFile);
-            }
-        }
-    }
-}
-
-sub applyInterfaceExtendedAttributes
-{
-    my $interface = shift;
-    my $extendedAttributes = shift;
-
-    foreach my $extendedAttributeName (keys %{$interface->extendedAttributes}) {
-        next if $extendedAttributeName eq "ImplementedAs";
-        $extendedAttributes->{$extendedAttributeName} = $interface->extendedAttributes->{$extendedAttributeName};
-    }
-}
-
-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).
-";
-    }
-}