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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 use strict; | |
| 25 | |
| 26 use File::Path; | |
| 27 use File::Basename; | |
| 28 use Getopt::Long; | |
| 29 use Text::ParseWords; | |
| 30 use Cwd; | |
| 31 | |
| 32 use deprecated_idl_parser; | |
| 33 use deprecated_code_generator_v8; | |
| 34 use deprecated_idl_serializer; | |
| 35 | |
| 36 my @idlDirectories; | |
| 37 my $outputDirectory; | |
| 38 my $preprocessor; | |
| 39 my $verbose; | |
| 40 my $interfaceDependenciesFile; | |
| 41 my $additionalIdlFiles; | |
| 42 my $idlAttributesFile; | |
| 43 my $writeFileOnlyIfChanged; | |
| 44 | |
| 45 GetOptions('include=s@' => \@idlDirectories, | |
| 46 'outputDir=s' => \$outputDirectory, | |
| 47 'preprocessor=s' => \$preprocessor, | |
| 48 'verbose' => \$verbose, | |
| 49 'interfaceDependenciesFile=s' => \$interfaceDependenciesFile, | |
| 50 'additionalIdlFiles=s' => \$additionalIdlFiles, | |
| 51 'idlAttributesFile=s' => \$idlAttributesFile, | |
| 52 'write-file-only-if-changed=s' => \$writeFileOnlyIfChanged); | |
| 53 | |
| 54 my $targetIdlFile = $ARGV[0]; | |
| 55 | |
| 56 die('Must specify input file.') unless defined($targetIdlFile); | |
| 57 die('Must specify output directory.') unless defined($outputDirectory); | |
| 58 | |
| 59 $targetIdlFile = Cwd::realpath($targetIdlFile); | |
| 60 if ($verbose) { | |
| 61 print "$targetIdlFile\n"; | |
| 62 } | |
| 63 my $targetInterfaceName = fileparse(basename($targetIdlFile), ".idl"); | |
| 64 | |
| 65 my $idlFound = 0; | |
| 66 my @dependencyIdlFiles; | |
| 67 if ($interfaceDependenciesFile) { | |
| 68 # The format of the interface dependencies file: | |
| 69 # | |
| 70 # Window.idl P.idl Q.idl R.idl | |
| 71 # Document.idl S.idl | |
| 72 # Event.idl | |
| 73 # ... | |
| 74 # | |
| 75 # The above indicates that Window.idl depends on P.idl, Q.idl, and R.idl, | |
| 76 # Document.idl depends on S.idl, and Event.idl depends on no IDLs. | |
| 77 # A dependency IDL file (one that is depended on by another IDL, e.g. P.idl | |
| 78 # in the above) does not have its own entry in the dependency file. | |
| 79 open FH, "< $interfaceDependenciesFile" or die "Cannot open $interfaceDepend
enciesFile\n"; | |
| 80 while (my $line = <FH>) { | |
| 81 my ($idlFile, @followingIdlFiles) = split(/\s+/, $line); | |
| 82 if ($idlFile and basename($idlFile) eq basename($targetIdlFile)) { | |
| 83 $idlFound = 1; | |
| 84 # We sort the dependency IDL files so that the corresponding code is
generated | |
| 85 # in a consistent order. This is important for the bindings tests. | |
| 86 @dependencyIdlFiles = sort @followingIdlFiles; | |
| 87 } | |
| 88 } | |
| 89 close FH; | |
| 90 | |
| 91 # $additionalIdlFiles is list of IDL files which should not be included in | |
| 92 # DerivedSources*.cpp (i.e. they are not described in the interface | |
| 93 # dependencies file) but should generate .h and .cpp files. | |
| 94 if (!$idlFound and $additionalIdlFiles) { | |
| 95 my @idlFiles = shellwords($additionalIdlFiles); | |
| 96 $idlFound = grep { $_ and basename($_) eq basename($targetIdlFile) } @id
lFiles; | |
| 97 } | |
| 98 | |
| 99 if (!$idlFound) { | |
| 100 # We generate empty .h and .cpp files just to tell build scripts that .h
and .cpp files are created. | |
| 101 generateEmptyHeaderAndCpp($targetInterfaceName, $outputDirectory); | |
| 102 exit 0; | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 # Parse the target IDL file. | |
| 107 my $targetParser = deprecated_idl_parser->new(!$verbose); | |
| 108 my $targetDocument = $targetParser->Parse($targetIdlFile, $preprocessor); | |
| 109 | |
| 110 if ($idlAttributesFile) { | |
| 111 my $idlAttributes = loadIDLAttributes($idlAttributesFile); | |
| 112 checkIDLAttributes($idlAttributes, $targetDocument, basename($targetIdlFile)
); | |
| 113 } | |
| 114 | |
| 115 foreach my $idlFile (@dependencyIdlFiles) { | |
| 116 next if $idlFile eq $targetIdlFile; | |
| 117 | |
| 118 my $interfaceName = fileparse(basename($idlFile), ".idl"); | |
| 119 my $parser = deprecated_idl_parser->new(!$verbose); | |
| 120 my $document = $parser->Parse($idlFile, $preprocessor); | |
| 121 | |
| 122 foreach my $interface (@{$document->interfaces}) { | |
| 123 if (!$interface->isPartial || $interface->name eq $targetInterfaceName)
{ | |
| 124 my $targetDataNode; | |
| 125 foreach my $interface (@{$targetDocument->interfaces}) { | |
| 126 if ($interface->name eq $targetInterfaceName) { | |
| 127 $targetDataNode = $interface; | |
| 128 last; | |
| 129 } | |
| 130 } | |
| 131 die "Not found an interface ${targetInterfaceName} in ${targetInterf
aceName}.idl." unless defined $targetDataNode; | |
| 132 | |
| 133 # Support for attributes of partial interfaces. | |
| 134 foreach my $attribute (@{$interface->attributes}) { | |
| 135 # Record that this attribute is implemented by $interfaceName. | |
| 136 $attribute->extendedAttributes->{"ImplementedBy"} = $interfaceNa
me unless $interface->extendedAttributes->{"LegacyImplementedInBaseClass"}; | |
| 137 | |
| 138 # Add interface-wide extended attributes to each attribute. | |
| 139 applyInterfaceExtendedAttributes($interface, $attribute->extende
dAttributes); | |
| 140 | |
| 141 push(@{$targetDataNode->attributes}, $attribute); | |
| 142 } | |
| 143 | |
| 144 # Support for methods of partial interfaces. | |
| 145 foreach my $function (@{$interface->functions}) { | |
| 146 # Record that this method is implemented by $interfaceName. | |
| 147 $function->extendedAttributes->{"ImplementedBy"} = $interfaceNam
e unless $interface->extendedAttributes->{"LegacyImplementedInBaseClass"}; | |
| 148 | |
| 149 # Add interface-wide extended attributes to each method. | |
| 150 applyInterfaceExtendedAttributes($interface, $function->extended
Attributes); | |
| 151 | |
| 152 push(@{$targetDataNode->functions}, $function); | |
| 153 } | |
| 154 | |
| 155 # Support for constants of partial interfaces. | |
| 156 foreach my $constant (@{$interface->constants}) { | |
| 157 # Record that this constant is implemented by $interfaceName. | |
| 158 $constant->extendedAttributes->{"ImplementedBy"} = $interfaceNam
e unless $interface->extendedAttributes->{"LegacyImplementedInBaseClass"}; | |
| 159 | |
| 160 # Add interface-wide extended attributes to each constant. | |
| 161 applyInterfaceExtendedAttributes($interface, $constant->extended
Attributes); | |
| 162 | |
| 163 push(@{$targetDataNode->constants}, $constant); | |
| 164 } | |
| 165 } else { | |
| 166 die "$idlFile is not a dependency of $targetIdlFile. There maybe a b
ug in the dependency computer (compute_dependencies.py).\n"; | |
| 167 } | |
| 168 } | |
| 169 } | |
| 170 | |
| 171 # Serialize to and from JSON to ensure Perl and Python parsers are equivalent, | |
| 172 # as part of porting compiler to Python. See http://crbug.com/242795 | |
| 173 $targetDocument = deserializeJSON(serializeJSON($targetDocument)); | |
| 174 | |
| 175 # Generate desired output for the target IDL file. | |
| 176 my @interfaceIdlFiles = ($targetDocument->fileName(), @dependencyIdlFiles); | |
| 177 my $codeGenerator = deprecated_code_generator_v8->new($targetDocument, \@idlDire
ctories, $preprocessor, $verbose, \@interfaceIdlFiles, $writeFileOnlyIfChanged); | |
| 178 my $interfaces = $targetDocument->interfaces; | |
| 179 foreach my $interface (@$interfaces) { | |
| 180 print "Generating bindings code for IDL interface \"" . $interface->name . "
\"...\n" if $verbose; | |
| 181 $codeGenerator->GenerateInterface($interface); | |
| 182 $codeGenerator->WriteData($interface, $outputDirectory); | |
| 183 } | |
| 184 | |
| 185 sub generateEmptyHeaderAndCpp | |
| 186 { | |
| 187 my ($targetInterfaceName, $outputDirectory) = @_; | |
| 188 | |
| 189 my $headerName = "V8${targetInterfaceName}.h"; | |
| 190 my $cppName = "V8${targetInterfaceName}.cpp"; | |
| 191 my $contents = "/* | |
| 192 This file is generated just to tell build scripts that $headerName and | |
| 193 $cppName are created for ${targetInterfaceName}.idl, and thus | |
| 194 prevent the build scripts from trying to generate $headerName and | |
| 195 $cppName at every build. This file must not be tried to compile. | |
| 196 */ | |
| 197 "; | |
| 198 open FH, "> ${outputDirectory}/${headerName}" or die "Cannot open $headerNam
e\n"; | |
| 199 print FH $contents; | |
| 200 close FH; | |
| 201 | |
| 202 open FH, "> ${outputDirectory}/${cppName}" or die "Cannot open $cppName\n"; | |
| 203 print FH $contents; | |
| 204 close FH; | |
| 205 } | |
| 206 | |
| 207 sub loadIDLAttributes | |
| 208 { | |
| 209 my $idlAttributesFile = shift; | |
| 210 | |
| 211 my %idlAttributes; | |
| 212 open FH, "<", $idlAttributesFile or die "Couldn't open $idlAttributesFile: $
!"; | |
| 213 while (my $line = <FH>) { | |
| 214 chomp $line; | |
| 215 next if $line =~ /^\s*#/; | |
| 216 next if $line =~ /^\s*$/; | |
| 217 | |
| 218 if ($line =~ /^\s*([^=\s]*)\s*=?\s*(.*)/) { | |
| 219 my $name = $1; | |
| 220 $idlAttributes{$name} = {}; | |
| 221 if ($2) { | |
| 222 foreach my $rightValue (split /\|/, $2) { | |
| 223 $rightValue =~ s/^\s*|\s*$//g; | |
| 224 $rightValue = "VALUE_IS_MISSING" unless $rightValue; | |
| 225 $idlAttributes{$name}{$rightValue} = 1; | |
| 226 } | |
| 227 } else { | |
| 228 $idlAttributes{$name}{"VALUE_IS_MISSING"} = 1; | |
| 229 } | |
| 230 } else { | |
| 231 die "The format of " . basename($idlAttributesFile) . " is wrong: li
ne $.\n"; | |
| 232 } | |
| 233 } | |
| 234 close FH; | |
| 235 | |
| 236 return \%idlAttributes; | |
| 237 } | |
| 238 | |
| 239 sub checkIDLAttributes | |
| 240 { | |
| 241 my $idlAttributes = shift; | |
| 242 my $document = shift; | |
| 243 my $idlFile = shift; | |
| 244 | |
| 245 foreach my $interface (@{$document->interfaces}) { | |
| 246 checkIfIDLAttributesExists($idlAttributes, $interface->extendedAttribute
s, $idlFile); | |
| 247 | |
| 248 foreach my $attribute (@{$interface->attributes}) { | |
| 249 checkIfIDLAttributesExists($idlAttributes, $attribute->extendedAttri
butes, $idlFile); | |
| 250 } | |
| 251 | |
| 252 foreach my $function (@{$interface->functions}) { | |
| 253 checkIfIDLAttributesExists($idlAttributes, $function->extendedAttrib
utes, $idlFile); | |
| 254 foreach my $parameter (@{$function->parameters}) { | |
| 255 checkIfIDLAttributesExists($idlAttributes, $parameter->extendedA
ttributes, $idlFile); | |
| 256 } | |
| 257 } | |
| 258 } | |
| 259 } | |
| 260 | |
| 261 sub applyInterfaceExtendedAttributes | |
| 262 { | |
| 263 my $interface = shift; | |
| 264 my $extendedAttributes = shift; | |
| 265 | |
| 266 foreach my $extendedAttributeName (keys %{$interface->extendedAttributes}) { | |
| 267 next if $extendedAttributeName eq "ImplementedAs"; | |
| 268 $extendedAttributes->{$extendedAttributeName} = $interface->extendedAttr
ibutes->{$extendedAttributeName}; | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 sub checkIfIDLAttributesExists | |
| 273 { | |
| 274 my $idlAttributes = shift; | |
| 275 my $extendedAttributes = shift; | |
| 276 my $idlFile = shift; | |
| 277 | |
| 278 my $error; | |
| 279 OUTER: for my $name (keys %$extendedAttributes) { | |
| 280 if (!exists $idlAttributes->{$name}) { | |
| 281 $error = "Invalid IDL attribute [$name] found in $idlFile."; | |
| 282 last; | |
| 283 } | |
| 284 # Check no argument first, since "*" means "some argument (not missing)"
. | |
| 285 if ($extendedAttributes->{$name} eq "VALUE_IS_MISSING" and not exists $i
dlAttributes->{$name}{"VALUE_IS_MISSING"}) { | |
| 286 $error = "Missing required argument for IDL attribute [$name] in fil
e $idlFile."; | |
| 287 last; | |
| 288 } | |
| 289 if (exists $idlAttributes->{$name}{"*"}) { | |
| 290 next; | |
| 291 } | |
| 292 for my $rightValue (split /\s*[|&]\s*/, $extendedAttributes->{$name}) { | |
| 293 if (!(exists $idlAttributes->{$name}{$rightValue})) { | |
| 294 $error = "Invalid IDL attribute value [$name=" . $extendedAttrib
utes->{$name} . "] found in $idlFile."; | |
| 295 last OUTER; | |
| 296 } | |
| 297 } | |
| 298 } | |
| 299 if ($error) { | |
| 300 die "IDL ATTRIBUTE CHECKER ERROR: $error | |
| 301 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). | |
| 302 "; | |
| 303 } | |
| 304 } | |
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Chromium Code Reviews
Issue 24156003:
Revert IDL compiler build flow to Perl, rename 'deprecated' (Closed)
Base URL: svn://svn.chromium.org/blink/trunk