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+#!/usr/bin/perl -w
+require 5.003;
+
+# Global settings
+
+# Max. library "index" (0 = v1.0, 1 = 1.2, etc)
+$max_idx = 4;
+
+# Min. supported previous library version "index" (0 = v1.0, 1 = 1.2, etc)
+$min_sup_idx = 3;
+
+#
+# Copyright by The HDF Group.
+# Copyright by the Board of Trustees of the University of Illinois.
+# All rights reserved.
+#
+# This file is part of HDF5. The full HDF5 copyright notice, including
+# terms governing use, modification, and redistribution, is contained in
+# the files COPYING and Copyright.html. COPYING can be found at the root
+# of the source code distribution tree; Copyright.html can be found at the
+# root level of an installed copy of the electronic HDF5 document set and
+# is linked from the top-level documents page. It can also be found at
+# http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have
+# access to either file, you may request a copy from help@hdfgroup.org.
+#
+
+# Create public symbol version headers
+#
+# Read in the public symbol version description text file and create the
+# appropriate headers needed by the library.
+#
+# Programmer: Quincey Koziol
+# Creation Date: 2007/07/10
+
+##############################################################################
+# Print the copyright into an open file
+#
+sub print_copyright ($) {
+ my $fh = shift;
+
+ print $fh "/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n";
+ print $fh " * Copyright by The HDF Group. *\n";
+ print $fh " * Copyright by the Board of Trustees of the University of Illinois. *\n";
+ print $fh " * All rights reserved. *\n";
+ print $fh " * *\n";
+ print $fh " * This file is part of HDF5. The full HDF5 copyright notice, including *\n";
+ print $fh " * terms governing use, modification, and redistribution, is contained in *\n";
+ print $fh " * the files COPYING and Copyright.html. COPYING can be found at the root *\n";
+ print $fh " * of the source code distribution tree; Copyright.html can be found at the *\n";
+ print $fh " * root level of an installed copy of the electronic HDF5 document set and *\n";
+ print $fh " * is linked from the top-level documents page. It can also be found at *\n";
+ print $fh " * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *\n";
+ print $fh " * access to either file, you may request a copy from help\@hdfgroup.org. *\n";
+ print $fh " * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */\n";
+}
+
+##############################################################################
+# Print the "do not change this file" warning
+#
+sub print_warning ($) {
+ my $fh = shift;
+
+ print $fh "\n/* Generated automatically by bin/make_vers -- do not edit */\n";
+ print $fh "/* Add new versioned symbols to H5vers.txt file */\n\n";
+}
+
+##############################################################################
+# Print start of ifdef's to prevent a file from being re-included
+#
+sub print_startprotect ($$) {
+ my ($fh, $file) = @_;
+
+ # Clip off the ".h" part of the name
+ $file =~ s/(\w*)\.h/$1/;
+
+ # Print the ifdef info
+ print $fh "\n#ifndef _${file}_H\n";
+ print $fh "#define _${file}_H\n";
+}
+
+##############################################################################
+# Print check for conflicting version macro settings
+#
+sub print_checkoptions ($) {
+ my $fh = shift;
+
+ # Print the option checking
+ print $fh "\n/* Issue error if contradicting macros have been defined. */\n";
+ print $fh "#if defined(H5_USE_16_API) && defined(H5_WITHOUT_DEPRECATED_APIS)\n";
+ print $fh "#error \"Can't choose old API versions when deprecated APIs are disabled\"\n";
+ print $fh "#endif /* defined(H5_USE_16_API) && defined(H5_WITHOUT_DEPRECATED_APIS) */\n";
+}
+
+##############################################################################
+# Print "global" API version macro settings
+#
+sub print_globalapivers ($) {
+ my $fh = shift; # File handle for output file
+ my $curr_idx; # Current API version index
+
+ # Print the descriptive comment
+ print $fh "\n/* If a particular \"global\" version of the library's interfaces is chosen,\n";
+ print $fh " * set the versions for the API routines affected.\n";
+ print $fh " *\n";
+ print $fh " * Note: If an application has already chosen a particular version for an\n";
+ print $fh " * API routine, the individual API version macro takes priority.\n";
+ print $fh " */\n";
+
+ # Loop over supported older library APIs and define the appropriate macros
+ for $curr_idx ($min_sup_idx .. ($max_idx - 1)) {
+ # Print API version ifdef
+ print $fh "#ifdef H5_USE_1", ($curr_idx * 2), "_API\n";
+
+ # Print the version macro info for each function that is defined for
+ # this API version
+ for $name (sort keys %{$api_vers[$curr_idx]}) {
+ print $fh "#if !defined(", $name, "_vers)\n";
+ print $fh "#define ", $name, "_vers $api_vers[$curr_idx]{$name}\n";
+ print $fh "#endif /* !defined(", $name, "_vers) */\n";
+ }
+
+ # Print API version endif
+ print $fh "#endif /* H5_USE_1", ($curr_idx * 2), "_API */\n";
+ }
+}
+
+##############################################################################
+# Print "default" API version macro settings
+#
+sub print_defaultapivers ($) {
+ my $fh = shift; # File handle for output file
+ my $curr_name; # Current API function
+
+ # Print the descriptive comment
+ print $fh "\n/* Choose the correct version of each API routine, defaulting to the latest\n";
+ print $fh " * version of each API routine. The \"best\" name for API parameters/data\n";
+ print $fh " * structures that have changed definitions is also set. An error is\n";
+ print $fh " * issued for specifying an invalid API version.\n";
+ print $fh " */\n";
+
+ # Loop over function names that are versioned and set up the version macros
+ for $curr_name (sort keys %functions) {
+ my $curr_vers_name; # Name of version macro for current function
+ my $curr_vers; # Version of function
+
+ # Set up variables for later use
+ $curr_vers_name = $curr_name . "_vers";
+ $curr_vers = $functions{$curr_name};
+
+ # Set up default/latest version name mapping
+ print $fh "#if !defined($curr_vers_name) || $curr_vers_name == $curr_vers\n";
+ print $fh "#define $curr_name $curr_name$curr_vers\n";
+
+ # Loop to print earlier version name mappings
+ $curr_vers--;
+ while($curr_vers > 0) {
+ print $fh "#elif $curr_vers_name == $curr_vers\n";
+ print $fh "#define $curr_name $curr_name$curr_vers\n";
+ $curr_vers--;
+ }
+
+ # Finish up with error for unknown version and endif
+ print $fh "#else /* $curr_vers_name */\n";
+ print $fh "#error \"$curr_vers_name set to invalid value\"\n";
+ print $fh "#endif /* $curr_vers_name */\n\n";
+ }
+}
+
+##############################################################################
+# Print end of ifdef's to prevent a file from being re-included
+#
+sub print_endprotect ($$) {
+ my ($fh, $file) = @_;
+
+ # Clip off the ".h" part of the name
+ $file =~ s/(\w*)\.h/$1/;
+
+ # Print the endif info
+ print $fh "\n#endif /* ${file}_H */\n\n";
+}
+
+##############################################################################
+# Parse a meaningful line (not a comment or blank line) into the appropriate
+# data structure
+#
+sub parse_line ($) {
+ my $line = shift; # Get the line to parse
+
+ # Parse API function lines
+#print "line=$line\n";
+ if($line =~ /^\s*FUNCTION,/) {
+ my $name; # The name of the function
+ my $vers; # The version info for the function
+ my @vers_list; # Version info, as a list
+ my $num_versions; # Number of versions for function
+ my %func_versions; # Versions for a function
+ my $last_idx; # The previous version index seen for a function
+ my $last_vers; # The previous version # seen for a function
+
+ # Get the function's name & version info
+ ($name, $vers) = ($line =~ /^\s*FUNCTION,\s*(\w*),\s*(.*?)\s*$/);
+#print "FUNCTION: name='$name', vers='$vers'\n";
+
+ # Check if the name already exists in the list of functions
+ if(exists($functions{$name})) {
+ die "duplicated name: $name";
+ }
+
+ # Check for no version info given
+ if($vers eq "") {
+ die "no version information: $name";
+ }
+
+ # Split up version info
+ @vers_list = split(/\s*,\s*/, $vers);
+#print "FUNCTION: vers_list=(@vers_list)\n";
+
+ # Check for invalid version info given
+ $last_idx = -1;
+ $last_vers = 1;
+ foreach(sort(@vers_list)) {
+ my $vers_idx; # Index of version in array
+
+#print "FUNCTION: _=$_ last_idx='$last_idx'\n";
+ # Do some validation on the input
+ if(!($_ =~ /v1[02468]/)) {
+ die "bad version information: $name";
+ }
+ if(exists($func_versions{$_})) {
+ die "duplicate version information: $name";
+ }
+
+ # Store the versions for the function in a local hash table, indexed by the version
+ $func_versions{$_}=$_;
+
+ # Get the index of the version
+ ($vers_idx) = ($_ =~ /v1(\d)/);
+ $vers_idx /= 2;
+#print "FUNCTION: vers_idx='$vers_idx'\n";
+
+ # Update intermediate versions of the library that included the API routine
+ if($last_idx >= 0) {
+#print "FUNCTION: last_idx='$last_idx'\n";
+
+ # Add the function to the list of API routines available in
+ # different versions of the library
+ while($last_idx < $vers_idx) {
+ $api_vers[$last_idx]{$name} = $last_vers;
+ $last_idx++;
+ }
+
+ # Increment the version # of the function
+ $last_vers++;
+ }
+
+ # Keep track of last version index seen
+ $last_idx = $vers_idx;
+ }
+
+ # Finish updating versions of the library that included the API routine
+ if($last_idx >= 0) {
+#print "FUNCTION: max_idx='$max_idx'\n";
+
+ # Add the function to the list of API routines available in
+ # different versions of the library
+ while($last_idx <= $max_idx) {
+ $api_vers[$last_idx]{$name} = $last_vers;
+ $last_idx++;
+ }
+ }
+
+ # Store the number of function versions in a hash table, indexed by the name
+ $functions{$name} = $#vers_list + 1;
+ }
+ # Unknown keyword
+ else {
+ die "unknown keyword: $line";
+ }
+}
+
+##############################################################################
+# Create the generated portion of the public header file
+#
+sub create_public ($) {
+ my $prefix = shift; # Get the prefix for the generated file
+ my $file = "H5version.h"; # Name of file to generate
+ my $name; # Name of function
+
+ # Rename previous file
+# rename "${prefix}${file}", "${prefix}${file}~" or die "unable to make backup";
+
+ # Open new header file
+ open HEADER, ">${prefix}${file}" or die "unable to modify source";
+
+ # Create file contents
+ print_copyright(*HEADER);
+ print_warning(*HEADER);
+ print_startprotect(*HEADER, $file);
+ print_checkoptions(*HEADER);
+ print_globalapivers(*HEADER);
+ print_defaultapivers(*HEADER);
+ print_endprotect(*HEADER, $file);
+
+ # Close header file
+ close HEADER;
+}
+
+##############################################################################
+# Read symbol version file (given as command-line argument) in and process it
+# into internal data structures, then create header files.
+#
+for $file (@ARGV) {
+ my $prefix; # Local prefix for generated files
+
+#print "file = '$file'\n";
+ ($prefix) = ($file =~ /(^.*\/)/);
+#print "prefix = '$prefix'\n";
+ # Read in the entire file
+ open SOURCE, $file or die "$file: $!\n";
+ while ( defined ($line=<SOURCE>) ) {
+ # Skip blank lines and those lines whose first character is a '#'
+ if(!($line =~ /(^\s*#.*$)|(^\s*$)/)) {
+ # Construct data structures for later printing
+ parse_line($line);
+ }
+ }
+ close SOURCE;
+
+ # Create header files
+ print "Generating 'H5version.h'\n";
+ create_public($prefix);
+
+#for $name (sort keys %functions) {
+# print "functions{$name} = $functions{$name}\n";
+#}
+
+#for $i (0 .. $#api_vers) {
+# my $vers_name; # Name of indexed version
+# $vers_name = "v1." . ($i * 2);
+# print "$vers_name functions: ";
+# for $name (sort keys %{$api_vers[$i]}) {
+# print "$name$api_vers[$i]{$name} ";
+# }
+# print "\n";
+#}
+
+}
+
generated by cgit v0.12 at 2024-11-07 13:04:00 (GMT)