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| 1 #!/usr/bin/perl -w | |
| 2 # | |
| 3 # Copyright (C) 2005 Apple Computer, Inc. | |
| 4 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com> | |
| 5 # | |
| 6 # This file is part of WebKit | |
| 7 # | |
| 8 # This library is free software; you can redistribute it and/or | |
| 9 # modify it under the terms of the GNU Library General Public | |
| 10 # License as published by the Free Software Foundation; either | |
| 11 # version 2 of the License, or (at your option) any later version. | |
| 12 # | |
| 13 # This library is distributed in the hope that it will be useful, | |
| 14 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 # Library General Public License for more details. | |
| 17 # | |
| 18 # You should have received a copy of the GNU Library General Public License | |
| 19 # along with this library; see the file COPYING.LIB. If not, write to | |
| 20 # the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 21 # Boston, MA 02110-1301, USA. | |
| 22 # | |
| 23 | |
| 24 # This script is a temporary hack. | |
| 25 # Files are generated in the source directory, when they really should go | |
| 26 # to the DerivedSources directory. | |
| 27 # This should also eventually be a build rule driven off of .idl files | |
| 28 # however a build rule only solution is blocked by several radars: | |
| 29 # <rdar://problems/4251781&4251785> | |
| 30 | |
| 31 use strict; | |
| 32 | |
| 33 use File::Path; | |
| 34 use File::Basename; | |
| 35 use Getopt::Long; | |
| 36 use Text::ParseWords; | |
| 37 use Cwd; | |
| 38 | |
| 39 use IDLParser; | |
| 40 use CodeGeneratorV8; | |
| 41 use IDLSerializer; | |
| 42 | |
| 43 my @idlDirectories; | |
| 44 my $outputDirectory; | |
| 45 my $defines; | |
| 46 my $filename; | |
| 47 my $preprocessor; | |
| 48 my $verbose; | |
| 49 my $supplementalDependencyFile; | |
| 50 my $additionalIdlFiles; | |
| 51 my $idlAttributesFile; | |
| 52 my $writeFileOnlyIfChanged; | |
| 53 | |
| 54 GetOptions('include=s@' => \@idlDirectories, | |
| 55 'outputDir=s' => \$outputDirectory, | |
| 56 'defines=s' => \$defines, | |
| 57 'filename=s' => \$filename, | |
| 58 'preprocessor=s' => \$preprocessor, | |
| 59 'verbose' => \$verbose, | |
| 60 'supplementalDependencyFile=s' => \$supplementalDependencyFile, | |
| 61 'additionalIdlFiles=s' => \$additionalIdlFiles, | |
| 62 'idlAttributesFile=s' => \$idlAttributesFile, | |
| 63 'write-file-only-if-changed=s' => \$writeFileOnlyIfChanged); | |
| 64 | |
| 65 my $targetIdlFile = $ARGV[0]; | |
| 66 | |
| 67 die('Must specify input file.') unless defined($targetIdlFile); | |
| 68 die('Must specify output directory.') unless defined($outputDirectory); | |
| 69 $defines = "" unless defined($defines); | |
| 70 | |
| 71 $targetIdlFile = Cwd::realpath($targetIdlFile); | |
| 72 if ($verbose) { | |
| 73 print "$targetIdlFile\n"; | |
| 74 } | |
| 75 my $targetInterfaceName = fileparse(basename($targetIdlFile), ".idl"); | |
| 76 | |
| 77 my $idlFound = 0; | |
| 78 my @supplementedIdlFiles; | |
| 79 if ($supplementalDependencyFile) { | |
| 80 # The format of a supplemental dependency file: | |
| 81 # | |
| 82 # Window.idl P.idl Q.idl R.idl | |
| 83 # Document.idl S.idl | |
| 84 # Event.idl | |
| 85 # ... | |
| 86 # | |
| 87 # The above indicates that Window.idl is supplemented by P.idl, Q.idl and R.
idl, | |
| 88 # Document.idl is supplemented by S.idl, and Event.idl is supplemented by no
IDLs. | |
| 89 # The IDL that supplements another IDL (e.g. P.idl) never appears in the dep
endency file. | |
| 90 open FH, "< $supplementalDependencyFile" or die "Cannot open $supplementalDe
pendencyFile\n"; | |
| 91 while (my $line = <FH>) { | |
| 92 my ($idlFile, @followingIdlFiles) = split(/\s+/, $line); | |
| 93 if ($idlFile and basename($idlFile) eq basename($targetIdlFile)) { | |
| 94 $idlFound = 1; | |
| 95 # We sort the supplemental IDL files so that the corresponding code
is generated | |
| 96 # in a consistent order. This is important for the bindings tests. | |
| 97 @supplementedIdlFiles = sort @followingIdlFiles; | |
| 98 } | |
| 99 } | |
| 100 close FH; | |
| 101 | |
| 102 # $additionalIdlFiles is list of IDL files which should not be included in | |
| 103 # DerivedSources*.cpp (i.e. they are not described in the supplemental | |
| 104 # dependency file) but should generate .h and .cpp files. | |
| 105 if (!$idlFound and $additionalIdlFiles) { | |
| 106 my @idlFiles = shellwords($additionalIdlFiles); | |
| 107 $idlFound = grep { $_ and basename($_) eq basename($targetIdlFile) } @id
lFiles; | |
| 108 } | |
| 109 | |
| 110 if (!$idlFound) { | |
| 111 # We generate empty .h and .cpp files just to tell build scripts that .h
and .cpp files are created. | |
| 112 generateEmptyHeaderAndCpp($targetInterfaceName, $outputDirectory); | |
| 113 exit 0; | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 # Parse the target IDL file. | |
| 118 my $targetParser = IDLParser->new(!$verbose); | |
| 119 my $targetDocument = $targetParser->Parse($targetIdlFile, $defines, $preprocesso
r); | |
| 120 | |
| 121 if ($idlAttributesFile) { | |
| 122 my $idlAttributes = loadIDLAttributes($idlAttributesFile); | |
| 123 checkIDLAttributes($idlAttributes, $targetDocument, basename($targetIdlFile)
); | |
| 124 } | |
| 125 | |
| 126 foreach my $idlFile (@supplementedIdlFiles) { | |
| 127 next if $idlFile eq $targetIdlFile; | |
| 128 | |
| 129 my $interfaceName = fileparse(basename($idlFile), ".idl"); | |
| 130 my $parser = IDLParser->new(!$verbose); | |
| 131 my $document = $parser->Parse($idlFile, $defines, $preprocessor); | |
| 132 | |
| 133 foreach my $interface (@{$document->interfaces}) { | |
| 134 if (!$interface->isPartial || $interface->name eq $targetInterfaceName)
{ | |
| 135 my $targetDataNode; | |
| 136 foreach my $interface (@{$targetDocument->interfaces}) { | |
| 137 if ($interface->name eq $targetInterfaceName) { | |
| 138 $targetDataNode = $interface; | |
| 139 last; | |
| 140 } | |
| 141 } | |
| 142 die "Not found an interface ${targetInterfaceName} in ${targetInterf
aceName}.idl." unless defined $targetDataNode; | |
| 143 | |
| 144 # Support for attributes of partial interfaces. | |
| 145 foreach my $attribute (@{$interface->attributes}) { | |
| 146 # Record that this attribute is implemented by $interfaceName. | |
| 147 $attribute->extendedAttributes->{"ImplementedBy"} = $interfaceNa
me if $interface->isPartial; | |
| 148 | |
| 149 # Add interface-wide extended attributes to each attribute. | |
| 150 applyInterfaceExtendedAttributes($interface, $attribute->extende
dAttributes); | |
| 151 | |
| 152 push(@{$targetDataNode->attributes}, $attribute); | |
| 153 } | |
| 154 | |
| 155 # Support for methods of partial interfaces. | |
| 156 foreach my $function (@{$interface->functions}) { | |
| 157 # Record that this method is implemented by $interfaceName. | |
| 158 $function->extendedAttributes->{"ImplementedBy"} = $interfaceNam
e if $interface->isPartial; | |
| 159 | |
| 160 # Add interface-wide extended attributes to each method. | |
| 161 applyInterfaceExtendedAttributes($interface, $function->extended
Attributes); | |
| 162 | |
| 163 push(@{$targetDataNode->functions}, $function); | |
| 164 } | |
| 165 | |
| 166 # Support for constants of partial interfaces. | |
| 167 foreach my $constant (@{$interface->constants}) { | |
| 168 # Record that this constant is implemented by $interfaceName. | |
| 169 $constant->extendedAttributes->{"ImplementedBy"} = $interfaceNam
e if $interface->isPartial; | |
| 170 | |
| 171 # Add interface-wide extended attributes to each constant. | |
| 172 applyInterfaceExtendedAttributes($interface, $constant->extended
Attributes); | |
| 173 | |
| 174 push(@{$targetDataNode->constants}, $constant); | |
| 175 } | |
| 176 } else { | |
| 177 die "$idlFile is not a supplemental dependency of $targetIdlFile. Th
ere maybe a bug in the the supplemental dependency generator (preprocess_idls.py
).\n"; | |
| 178 } | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 # FIXME: This code will be removed once IDLParser.pm and CodeGeneratorV8.pm | |
| 183 # are connected via JSON files. See http://crbug.com/242795 | |
| 184 $targetDocument = deserializeJSON(serializeJSON($targetDocument)); | |
| 185 | |
| 186 # Generate desired output for the target IDL file. | |
| 187 my @dependentIdlFiles = ($targetDocument->fileName(), @supplementedIdlFiles); | |
| 188 my $codeGenerator = CodeGeneratorV8->new($targetDocument, \@idlDirectories, $pre
processor, $defines, $verbose, \@dependentIdlFiles, $writeFileOnlyIfChanged); | |
| 189 my $interfaces = $targetDocument->interfaces; | |
| 190 foreach my $interface (@$interfaces) { | |
| 191 print "Generating bindings code for IDL interface \"" . $interface->name . "
\"...\n" if $verbose; | |
| 192 $codeGenerator->GenerateInterface($interface); | |
| 193 $codeGenerator->WriteData($interface, $outputDirectory); | |
| 194 } | |
| 195 | |
| 196 sub generateEmptyHeaderAndCpp | |
| 197 { | |
| 198 my ($targetInterfaceName, $outputDirectory) = @_; | |
| 199 | |
| 200 my $headerName = "V8${targetInterfaceName}.h"; | |
| 201 my $cppName = "V8${targetInterfaceName}.cpp"; | |
| 202 my $contents = "/* | |
| 203 This file is generated just to tell build scripts that $headerName and | |
| 204 $cppName are created for ${targetInterfaceName}.idl, and thus | |
| 205 prevent the build scripts from trying to generate $headerName and | |
| 206 $cppName at every build. This file must not be tried to compile. | |
| 207 */ | |
| 208 "; | |
| 209 open FH, "> ${outputDirectory}/${headerName}" or die "Cannot open $headerNam
e\n"; | |
| 210 print FH $contents; | |
| 211 close FH; | |
| 212 | |
| 213 open FH, "> ${outputDirectory}/${cppName}" or die "Cannot open $cppName\n"; | |
| 214 print FH $contents; | |
| 215 close FH; | |
| 216 } | |
| 217 | |
| 218 sub loadIDLAttributes | |
| 219 { | |
| 220 my $idlAttributesFile = shift; | |
| 221 | |
| 222 my %idlAttributes; | |
| 223 open FH, "<", $idlAttributesFile or die "Couldn't open $idlAttributesFile: $
!"; | |
| 224 while (my $line = <FH>) { | |
| 225 chomp $line; | |
| 226 next if $line =~ /^\s*#/; | |
| 227 next if $line =~ /^\s*$/; | |
| 228 | |
| 229 if ($line =~ /^\s*([^=\s]*)\s*=?\s*(.*)/) { | |
| 230 my $name = $1; | |
| 231 $idlAttributes{$name} = {}; | |
| 232 if ($2) { | |
| 233 foreach my $rightValue (split /\|/, $2) { | |
| 234 $rightValue =~ s/^\s*|\s*$//g; | |
| 235 $rightValue = "VALUE_IS_MISSING" unless $rightValue; | |
| 236 $idlAttributes{$name}{$rightValue} = 1; | |
| 237 } | |
| 238 } else { | |
| 239 $idlAttributes{$name}{"VALUE_IS_MISSING"} = 1; | |
| 240 } | |
| 241 } else { | |
| 242 die "The format of " . basename($idlAttributesFile) . " is wrong: li
ne $.\n"; | |
| 243 } | |
| 244 } | |
| 245 close FH; | |
| 246 | |
| 247 return \%idlAttributes; | |
| 248 } | |
| 249 | |
| 250 sub checkIDLAttributes | |
| 251 { | |
| 252 my $idlAttributes = shift; | |
| 253 my $document = shift; | |
| 254 my $idlFile = shift; | |
| 255 | |
| 256 foreach my $interface (@{$document->interfaces}) { | |
| 257 checkIfIDLAttributesExists($idlAttributes, $interface->extendedAttribute
s, $idlFile); | |
| 258 | |
| 259 foreach my $attribute (@{$interface->attributes}) { | |
| 260 checkIfIDLAttributesExists($idlAttributes, $attribute->extendedAttri
butes, $idlFile); | |
| 261 } | |
| 262 | |
| 263 foreach my $function (@{$interface->functions}) { | |
| 264 checkIfIDLAttributesExists($idlAttributes, $function->extendedAttrib
utes, $idlFile); | |
| 265 foreach my $parameter (@{$function->parameters}) { | |
| 266 checkIfIDLAttributesExists($idlAttributes, $parameter->extendedA
ttributes, $idlFile); | |
| 267 } | |
| 268 } | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 sub applyInterfaceExtendedAttributes | |
| 273 { | |
| 274 my $interface = shift; | |
| 275 my $extendedAttributes = shift; | |
| 276 | |
| 277 foreach my $extendedAttributeName (keys %{$interface->extendedAttributes}) { | |
| 278 next if $extendedAttributeName eq "ImplementedAs"; | |
| 279 $extendedAttributes->{$extendedAttributeName} = $interface->extendedAttr
ibutes->{$extendedAttributeName}; | |
| 280 } | |
| 281 } | |
| 282 | |
| 283 sub checkIfIDLAttributesExists | |
| 284 { | |
| 285 my $idlAttributes = shift; | |
| 286 my $extendedAttributes = shift; | |
| 287 my $idlFile = shift; | |
| 288 | |
| 289 my $error; | |
| 290 OUTER: for my $name (keys %$extendedAttributes) { | |
| 291 if (!exists $idlAttributes->{$name}) { | |
| 292 $error = "Unknown IDL attribute [$name] is found at $idlFile."; | |
| 293 last OUTER; | |
| 294 } | |
| 295 if ($idlAttributes->{$name}{"*"}) { | |
| 296 next; | |
| 297 } | |
| 298 for my $rightValue (split /\s*[|&]\s*/, $extendedAttributes->{$name}) { | |
| 299 if (!exists $idlAttributes->{$name}{$rightValue}) { | |
| 300 $error = "Unknown IDL attribute [$name=" . $extendedAttributes->
{$name} . "] is found at $idlFile."; | |
| 301 last OUTER; | |
| 302 } | |
| 303 } | |
| 304 } | |
| 305 if ($error) { | |
| 306 die "IDL ATTRIBUTE CHECKER ERROR: $error | |
| 307 If you want to add a new IDL attribute, you need to add it to bindings/scripts/I
DLAttributes.txt and add explanations to the Blink IDL document (http://chromium
.org/blink/webidl). | |
| 308 "; | |
| 309 } | |
| 310 } | |
| OLD | NEW |
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Chromium Code Reviews
Issue 18190004:
Add Python flow to bindings generation, move dummy-generating IDL files over (Closed)
Base URL: svn://svn.chromium.org/blink/trunk