diff options
Diffstat (limited to 'tensorflow/java/src/gen/perl/tftypes.pl')
| -rw-r--r-- | tensorflow/java/src/gen/perl/tftypes.pl | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/tensorflow/java/src/gen/perl/tftypes.pl b/tensorflow/java/src/gen/perl/tftypes.pl new file mode 100644 index 0000000000..86867335cb --- /dev/null +++ b/tensorflow/java/src/gen/perl/tftypes.pl @@ -0,0 +1,157 @@ +#!/usr/bin/perl +# +# Copyright 2017 The TensorFlow Authors. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# ============================================================================= + +use strict; + +my $copyright = +'/* Copyright 2017 The TensorFlow Authors. All Rights Reserved. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +==============================================================================*/ +'; + +my $count; + +my $option = '-t', my $template; + +sub usage { + print "Usage: tftypes [-ctdT] <type desc file> <tmpl file>\n\n" + ."This script generates parts of various .java files that depend on which" + ."TensorFlow types are supported by the Java API and how much. For each" + ."such .java file, there is a .tmpl file in the same source directory in" + ."which the strings \@TYPEINFO\@ and \@IMPORTS\@ are replaced with" + ."appropriate Java code. Output code is sent to standard output.\n\n"; + + print "Modulo putting in the correct directory names, it can be invoked as follows:\n"; + print "tftypes -c tftypes.csv Tensors.java.tmpl > Tensors.java\n"; + print "tftypes -t tftypes.csv <dir> [outputs files to dir]\n"; +} + +if ($ARGV[0] =~ m/^-/) { + $option = shift; +} +my $typedesc = shift; +my $tmpl = shift; + +my $dirname; + +if ($option eq '-t') { + $dirname = $tmpl; +} + +open (TMPL, "<$tmpl") || die "Cannot open $tmpl for reading\n"; + +my $text = do { local $/; <TMPL> }; + +my %jtypecount; + +my $typeinfo, my $imports; + +open (TYPEDESC, $typedesc); + +my @info = ([]); + +while (<TYPEDESC>) { + chomp; + my $line = $_; + if ($line =~ m/^TF type/) { next } + $line =~ s/\r$//; + (my $name, my $jtype, my $creat, my $default, my $desc) = + split /,/, $line, 5; + $desc =~ s/^ *//g; + $desc =~ s/ *$//g; + $jtypecount{$jtype}++; + if ($jtypecount{$jtype} > 1) { +# currently allowing Java types to stand for more than one TF type, but +# may want to revisit this. +# print STDERR "Ambiguous Java type for $name : $jtype\n"; +# exit 1 + } + + push @info, [$name, $jtype, $creat, $default, $desc]; +} + +for (my $i = 1; $i <= $#info; $i++) { + (my $name, my $jtype, my $creat, my $default, my $desc) = + @{$info[$i]}; + my $tfname = "TF".$name; + my $ucname = uc $name; + + if ($option eq '-t') { + if ($jtype eq '') { next } + # Generate class declarations + # print STDERR "Creating $dirname/$tfname.java\n"; + open (CLASSFILE, ">$dirname/$tfname.java") || die "Can't open $tfname.java"; + print CLASSFILE $copyright; + print CLASSFILE "// GENERATED FILE. To update, edit tftypes.pl instead.\n\n"; + + my $fulldesc = $desc; + if (substr($desc, 0, 1) =~ m/^[aeoiu8]$/i) { + $fulldesc = "an $desc" + } else { + $fulldesc = "a $desc" + } + print CLASSFILE "package org.tensorflow.types;\n\n" + ."import org.tensorflow.DataType;\n\n"; + print CLASSFILE "/** Represents $fulldesc. */\n" + ."public class $tfname implements TFType {\n" + ." private $tfname() {}\n" + ." static {\n" + ." Types.typeCodes.put($tfname.class, DataType.$ucname);\n" + ." }\n"; + if ($default ne '') { + print CLASSFILE + " static {\n" + ." Types.scalars.put($tfname.class, $default);\n" + ." }\n"; + } + print CLASSFILE "}\n"; + close(CLASSFILE); + } elsif ($option eq '-c') { + # Generate creator declarations for Tensors.java + if ($jtype ne '' && $creat eq 'y') { + for (my $brackets = ''; length $brackets <= 12; $brackets .= '[]') { + $typeinfo .= + " public static Tensor<$tfname> create($jtype$brackets data) {\n" + ." return Tensor.create(data, $tfname.class);\n" + ." }\n"; + } + } + if ($text =~ m/\b$tfname\b/ || $creat eq 'y') { + $imports .= "import org.tensorflow.types.$tfname;\n"; + } + } +} + +if ($option ne '-t') { + print "// GENERATED FILE. Edits to this file will be lost -- edit $tmpl instead.\n"; + + $text =~ s/\@TYPEINFO\@/$typeinfo/; + $text =~ s/\@IMPORTS\@/$imports/; + + print $text; +} |