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hdf5/bin/make_vers
lrknox 25ec07450a Change copyright headers to replace url referring to file to be removed 
and replace it with new url for COPYING file.

Fix 2 lines in java error test expected output file where messages
include line numbers changed by reducing the copyright header by 2
lines.
2017-04-14 11:54:16 -05:00

502 lines
19 KiB
Perl
Executable File
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#!/usr/bin/perl -w
require 5.003;
# Global settings
# (The max_idx parameter is the only thing that needs to be changed when adding
# support for a new major release. If support for a prior major release
# is added (like support for 1.4, etc), the min_sup_idx parameter will
# need to be decremented. - QAK)
# Max. library "index" (0 = v1.0, 1 = 1.2, etc)
$max_idx = 5;
# Min. supported previous library version "index" (0 = v1.0, 1 = 1.2, etc)
$min_sup_idx = 3;
# Number of spaces to indent preprocessor commands inside ifdefs
$indent = 2;
#
# Copyright by The HDF Group.
# Copyright by the Board of Trustees of the University of Illinois.
# All rights reserved.
#
# This file is part of HDF5. The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the COPYING file, which can be found at the root of the source code
# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.
#
# Create public symbol version headers
#
# Read in the public symbol version description text file and create the
# appropriate headers needed by the library.
#
# Programmer: Quincey Koziol
# Creation Date: 2007/07/10
##############################################################################
# Print the copyright into an open file
#
sub print_copyright ($) {
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 COPYING file, which can be found at the root of the source code *\n";
print $fh " * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *\n";
print $fh " * If you do not have access to either file, you may request a copy from *\n";
print $fh " * 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; # File handle for output file
my $curr_idx; # Current API version index
# Print the option checking
print $fh "\n/* Issue error if contradicting macros have been defined. */\n";
# Print the #ifdef
print $fh "#if (";
for $curr_idx ($min_sup_idx .. ($max_idx - 1)) {
print $fh "defined(H5_USE_1", ($curr_idx * 2), "_API)";
if($curr_idx < ($max_idx - 1)) {
print $fh " || ";
}
}
print $fh ") && defined(H5_NO_DEPRECATED_SYMBOLS)\n";
# Print the error for bad API version chosen
print $fh ' ' x $indent, "#error \"Can't choose old API versions when deprecated APIs are disabled\"\n";
# Print the #endif
print $fh "#endif /* (";
for $curr_idx ($min_sup_idx .. ($max_idx - 1)) {
print $fh "defined(H5_USE_1", ($curr_idx * 2), "_API)";
if($curr_idx < ($max_idx - 1)) {
print $fh " || ";
}
}
print $fh ") && defined(H5_NO_DEPRECATED_SYMBOLS) */\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\n/* If a particular \"global\" version of the library's interfaces is chosen,\n";
print $fh " * set the versions for the API symbols affected.\n";
print $fh " *\n";
print $fh " * Note: If an application has already chosen a particular version for an\n";
print $fh " * API symbol, the individual API version macro takes priority.\n";
print $fh " */\n";
for $curr_idx ($min_sup_idx .. ($max_idx - 1)) {
# Print API version ifdef
print $fh "#if defined(H5_USE_1", ($curr_idx * 2), "_API_DEFAULT) && !defined(H5_USE_1", ($curr_idx * 2), "_API)\n";
# Print API version definition
print $fh " " x $indent, "#define H5_USE_1", ($curr_idx * 2), "_API 1\n";
# Print API version endif
print $fh "#endif /* H5_USE_1", ($curr_idx * 2), "_API_DEFAULT && !H5_USE_1", ($curr_idx * 2), "_API */\n\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 "\n#ifdef H5_USE_1", ($curr_idx * 2), "_API\n";
# Print the version macro info for each function that is defined for
# this API version
print $fh "\n/*************/\n";
print $fh "/* Functions */\n";
print $fh "/*************/\n";
for $name (sort keys %{$func_vers[$curr_idx]}) {
print $fh "\n#if !defined(", $name, "_vers)\n";
print $fh " " x $indent, "#define ", $name, "_vers $func_vers[$curr_idx]{$name}\n";
print $fh "#endif /* !defined(", $name, "_vers) */\n";
}
# Print the version macro info for each typedef that is defined for
# this API version
print $fh "\n/************/\n";
print $fh "/* Typedefs */\n";
print $fh "/************/\n";
for $name (sort keys %{$type_vers[$curr_idx]}) {
print $fh "\n#if !defined(", $name, "_t_vers)\n";
print $fh " " x $indent, "#define ", $name, "_t_vers $type_vers[$curr_idx]{$name}\n";
print $fh "#endif /* !defined(", $name, "_t_vers) */\n";
}
# Print API version endif
print $fh "\n#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\n/* Choose the correct version of each API symbol, defaulting to the latest\n";
print $fh " * version of each. The \"best\" name for API parameters/data structures\n";
print $fh " * that have changed definitions is also set. An error is issued for\n";
print $fh " * specifying an invalid API version.\n";
print $fh " */\n";
# Loop over function names that are versioned and set up the version macros
print $fh "\n/*************/\n";
print $fh "/* Functions */\n";
print $fh "/*************/\n";
for $curr_name (sort keys %functions) {
my $curr_vers_name; # Name of version macro for current function
my $curr_vers; # Version of function
my @param_list; # Typedefs for the function parameters
# Set up variables for later use
$curr_vers_name = $curr_name . "_vers";
$curr_vers = $functions{$curr_name};
# Split up parameter info
@param_list = split(/\s*,\s*/, $func_params{$curr_name});
#print "print_defaultapivers: param_list=(@param_list)\n";
# Set up default/latest version name mapping
print $fh "\n#if !defined($curr_vers_name) || $curr_vers_name == $curr_vers\n";
print $fh " " x $indent, "#ifndef $curr_vers_name\n";
print $fh " " x ($indent * 2), "#define $curr_vers_name $curr_vers\n";
print $fh " " x $indent, "#endif /* $curr_vers_name */\n";
print $fh " " x $indent, "#define $curr_name $curr_name$curr_vers\n";
# Print function's dependent parameter types
foreach(sort(@param_list)) {
print $fh " " x $indent, "#define ${_}_t $_${curr_vers}_t\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 " " x $indent, "#define $curr_name $curr_name$curr_vers\n";
# Print function's dependent parameter types
foreach(sort(@param_list)) {
print $fh " " x $indent, "#define ${_}_t $_${curr_vers}_t\n";
}
$curr_vers--;
}
# Finish up with error for unknown version and endif
print $fh "#else /* $curr_vers_name */\n";
print $fh " " x $indent, "#error \"$curr_vers_name set to invalid value\"\n";
print $fh "#endif /* $curr_vers_name */\n";
}
# Loop over typedefs that are versioned and set up the version macros
print $fh "\n/************/\n";
print $fh "/* Typedefs */\n";
print $fh "/************/\n";
for $curr_name (sort keys %typedefs) {
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 . "_t_vers";
$curr_vers = $typedefs{$curr_name};
# Set up default/latest version name mapping
print $fh "\n#if !defined($curr_vers_name) || $curr_vers_name == $curr_vers\n";
print $fh " " x $indent, "#ifndef $curr_vers_name\n";
print $fh " " x ($indent * 2), "#define $curr_vers_name $curr_vers\n";
print $fh " " x $indent, "#endif /* $curr_vers_name */\n";
print $fh " " x $indent, "#define ${curr_name}_t $curr_name${curr_vers}_t\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 " " x $indent, "#define ${curr_name}_t $curr_name${curr_vers}_t\n";
$curr_vers--;
}
# Finish up with error for unknown version and endif
print $fh "#else /* $curr_vers_name */\n";
print $fh " " x $indent, "#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 "#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:/ || $line =~ /^\s*TYPEDEF:/) {
my $name; # The name of the function
my $params; # Typedefs for function parameters
my $vers; # The version info for the function
my @vers_list; # Version info, as a list
my @vers_nums; # Version info, as a numeric list
my $num_versions; # Number of versions for function
my %sym_versions; # Versions for a symbol
my $last_idx; # The previous version index seen for a function
my $last_vers; # The previous version # seen for a function
my $line_type; # Type of line we are parsing
# Determine the type of the line to parse
if($line =~ /^\s*FUNCTION:/) {
$line_type = 1;
# Get the function's name & version info
($name, $params, $vers) = ($line =~ /^\s*FUNCTION:\s*(\w*);\s*(.*?)\s*;\s*(.*?)\s*$/);
#print "parse_line: name='$name', params='$params', vers='$vers'\n";
}
elsif($line =~ /^\s*TYPEDEF:/) {
$line_type = 2;
# Get the typedefs's name & version info
($name, $vers) = ($line =~ /^\s*TYPEDEF:\s*(\w*);\s*(.*?)\s*$/);
#print "parse_line: name='$name', vers='$vers'\n";
}
#print "parse_line: line_type='$line_type'\n";
# Check if the name already exists in the list of symbols
if(exists($functions{$name}) || exists($typedefs{$name})) {
die "duplicated symbol: $name";
}
# Check for no version info given
if($vers eq "") {
die "no version information: $name";
}
# Split up version info
@vers_list = split(/\s*,\s*/, $vers);
#print "parse_line: vers_list=(@vers_list)\n";
# Parse the version list into numbers, checking for invalid input
foreach(@vers_list) {
my $vers_idx; # Index of version in array
# Do some validation on the input
if(!( $_ =~ /v1[02468]/ || $_ =~ /v11[02468]/ )) {
die "bad version information: $name";
}
if(exists($sym_versions{$_})) {
die "duplicate version information: $name";
}
# Store the versions for the function in a local hash table, indexed by the version
$sym_versions{$_}=$_;
#print "parse_line: _=$_\n";
# Get the index of the version
($vers_idx) = ($_ =~ /v1(\d+)/);
$vers_idx /= 2;
#print "parse_line: vers_idx='$vers_idx'\n";
push(@vers_nums, $vers_idx);
}
#print "parse_line: vers_nums=(@vers_nums)\n";
# Check for invalid version info given
$last_idx = -1;
$last_vers = 1;
foreach(sort(@vers_nums)) {
#print "parse_line: _=$_ last_idx='$last_idx'\n";
# Update intermediate versions of the library that included the API routine
if($last_idx >= 0) {
#print "parse_line: name='$name'\n";
#print "parse_line: last_vers='$last_vers'\n";
#print "parse_line: last_idx='$last_idx'\n";
# Add the function to the list of API routines available in
# different versions of the library
while($last_idx <= $_) {
if($line_type == 1) {
$func_vers[$last_idx]{$name} = $last_vers;
} elsif($line_type == 2) {
$type_vers[$last_idx]{$name} = $last_vers;
} else {
die "unknown line type: $line";
}
$last_idx++;
}
# Increment the version # of the function
$last_vers++;
}
# Keep track of last version index seen
$last_idx = $_;
}
# Finish updating versions of the library that included the API routine
if($last_idx >= 0) {
#print "parse_line: max_idx='$max_idx'\n";
# Add the function to the list of API routines available in
# different versions of the library
while($last_idx <= $max_idx) {
if($line_type == 1) {
$func_vers[$last_idx]{$name} = $last_vers;
} elsif($line_type == 2) {
$type_vers[$last_idx]{$name} = $last_vers;
} else {
die "unknown line type: $line";
}
$last_idx++;
}
}
# Store the number of symbol versions in a hash table, indexed by the name
if($line_type == 1) {
$functions{$name} = $#vers_list + 1;
# Store the function's parameter types for later
$func_params{$name} = $params;
} elsif($line_type == 2) {
$typedefs{$name} = $#vers_list + 1;
} else {
die "unknown line type: $line";
}
}
# 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";
# Check for directory prefix on input file
if($file =~ /\//) {
($prefix) = ($file =~ /(^.*\/)/);
}
else {
$prefix = "";
}
#print "prefix = '$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 '", $prefix, "H5version.h'\n";
create_public($prefix);
#for $name (sort keys %functions) {
# print "functions{$name} = $functions{$name}\n";
#}
#for $i (0 .. $#func_vers) {
# my $vers_name; # Name of indexed version
# $vers_name = "v1." . ($i * 2);
# print "$vers_name functions: ";
# for $name (sort keys %{$func_vers[$i]}) {
# print "$name$func_vers[$i]{$name} ";
# }
# print "\n";
#}
}
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