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b5eaacb911
Removes .pl extension from Perl scripts. This may be returned in the future, but it's best to keep the script names unchanged while we merge with the trunk. Tested on: h5committest
220 lines
8.8 KiB
Perl
Executable File
220 lines
8.8 KiB
Perl
Executable File
#!/usr/bin/perl -w
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require 5.003;
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use strict;
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# Global settings
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# List of supported C types to generate overflow assignment code for
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my @ctypes = ( () );
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#
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# Copyright by The HDF Group.
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# Copyright by the Board of Trustees of the University of Illinois.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the files COPYING and Copyright.html. COPYING can be found at the root
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# of the source code distribution tree; Copyright.html can be found at the
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# root level of an installed copy of the electronic HDF5 document set and
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# is linked from the top-level documents page. It can also be found at
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# http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have
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# access to either file, you may request a copy from help@hdfgroup.org.
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#
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# Create assignment overflow #ifdefs
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#
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# Programmer: Quincey Koziol
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# Creation Date: 2009/04/09
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##############################################################################
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# Parse a meaningful line (not a comment or blank line) into the appropriate
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# data structure
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#
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sub parse_line ($) {
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my $line = shift; # Get the line to parse
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# Parse get the type name and whether it's signed or unsigned
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#print "line=$line\n";
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if($line =~ /.*SIGNED\s*;\s*$/ || $line =~ /.*UNSIGNED\s*;\s*$/) {
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my $name; # The name of the type
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my $signed; # Whether the type is signed or not
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# Get the type's name & signed status
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($name, $signed) = ($line =~ /^\s*(\w*)\s*,\s*(\w*)\s*;\s*$/);
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#print "name = '$name', signed = '$signed'\n";
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# Append the type to the list of C types already parsed
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push @ctypes, [$name, $signed];
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}
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# Unknown keyword
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else {
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die "unknown keyword: $line";
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}
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}
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##############################################################################
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# Print the copyright into an open file
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#
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sub print_copyright ($) {
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my $fh = shift;
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print $fh "/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n";
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print $fh " * Copyright by The HDF Group. *\n";
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print $fh " * Copyright by the Board of Trustees of the University of Illinois. *\n";
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print $fh " * All rights reserved. *\n";
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print $fh " * *\n";
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print $fh " * This file is part of HDF5. The full HDF5 copyright notice, including *\n";
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print $fh " * terms governing use, modification, and redistribution, is contained in *\n";
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print $fh " * the files COPYING and Copyright.html. COPYING can be found at the root *\n";
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print $fh " * of the source code distribution tree; Copyright.html can be found at the *\n";
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print $fh " * root level of an installed copy of the electronic HDF5 document set and *\n";
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print $fh " * is linked from the top-level documents page. It can also be found at *\n";
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print $fh " * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *\n";
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print $fh " * access to either file, you may request a copy from help\@hdfgroup.org. *\n";
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print $fh " * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */\n";
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}
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##############################################################################
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# Print the "do not change this file" warning
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#
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sub print_warning ($) {
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my $fh = shift;
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print $fh "\n/* Generated automatically by bin/make_overflow -- do not edit */\n";
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print $fh "/* Add new types to H5overflow.txt file */\n\n";
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}
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##############################################################################
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# Print start of ifdef's to prevent a file from being re-included
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#
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sub print_startprotect ($$) {
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my ($fh, $file) = @_;
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# Clip off the ".h" part of the name
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$file =~ s/(\w*)\.h/$1/;
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# Print the ifdef info
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print $fh "\n#ifndef _${file}_H\n";
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print $fh "#define _${file}_H\n";
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}
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##############################################################################
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# Print assignment overflow macros for each type
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#
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sub print_typemacros ($) {
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my $fh = shift; # File handle for output file
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my ($src_aref, $dst_aref); # References for each type's information
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# Print the descriptive comment
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print $fh "\n\n/* Each type in this file is tested for assignment to the other types,\n";
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print $fh " * and range checks are defined for bad assignments at run-time.\n";
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print $fh " */\n";
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for $src_aref (@ctypes) {
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# Print a descriptive comment
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print $fh "\n/* Assignment checks for @$src_aref[0] */\n\n";
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for $dst_aref (@ctypes) {
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if (@$src_aref[0] ne @$dst_aref[0]) {
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# Print a descriptive comment
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print $fh "/* src: @$src_aref[0], dst: @$dst_aref[0] */\n";
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# Print actual type size checks & macro definitions
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print $fh "#if H5_SIZEOF_", uc @$src_aref[0], " < H5_SIZEOF_", uc @$dst_aref[0], "\n";
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print $fh " #define ASSIGN_", @$src_aref[0], "_TO_", @$dst_aref[0], "(dst, dsttype, src, srctype) \\\n";
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if ( @$src_aref[1] eq @$dst_aref[1]) {
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print $fh " ASSIGN_TO_LARGER_SIZE_SAME_SIGNED(dst, dsttype, src, srctype)\n";
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} elsif ( @$src_aref[1] eq "SIGNED") {
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print $fh " ASSIGN_TO_LARGER_SIZE_SIGNED_TO_UNSIGNED(dst, dsttype, src, srctype)\n";
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} else {
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print $fh " ASSIGN_TO_LARGER_SIZE_UNSIGNED_TO_SIGNED(dst, dsttype, src, srctype)\n";
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}
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print $fh "#elif H5_SIZEOF_", uc @$src_aref[0], " > H5_SIZEOF_", uc @$dst_aref[0], "\n";
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print $fh " #define ASSIGN_", @$src_aref[0], "_TO_", @$dst_aref[0], "(dst, dsttype, src, srctype) \\\n";
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print $fh " ASSIGN_TO_SMALLER_SIZE(dst, dsttype, src, srctype)\n";
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print $fh "#else /* H5_SIZEOF_", uc @$src_aref[0], " == H5_SIZEOF_", uc @$dst_aref[0], " */\n";
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print $fh " #define ASSIGN_", @$src_aref[0], "_TO_", @$dst_aref[0], "(dst, dsttype, src, srctype) \\\n";
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if ( @$src_aref[1] eq @$dst_aref[1]) {
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print $fh " ASSIGN_TO_SAME_SIZE_SAME_SIGNED(dst, dsttype, src, srctype)\n";
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} elsif ( @$src_aref[1] eq "SIGNED") {
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print $fh " ASSIGN_TO_SAME_SIZE_SIGNED_TO_UNSIGNED(dst, dsttype, src, srctype)\n";
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} else {
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print $fh " ASSIGN_TO_SAME_SIZE_UNSIGNED_TO_SIGNED(dst, dsttype, src, srctype)\n";
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}
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print $fh "#endif /* src: @$src_aref[0] dst: @$dst_aref[0] */\n\n";
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}
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}
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}
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}
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##############################################################################
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# Print end of ifdef's to prevent a file from being re-included
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#
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sub print_endprotect ($$) {
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my ($fh, $file) = @_;
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# Clip off the ".h" part of the name
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$file =~ s/(\w*)\.h/$1/;
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# Print the endif info
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print $fh "#endif /* ${file}_H */\n\n";
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}
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##############################################################################
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# Create the generated portion of the public header file
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#
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sub create_public ($) {
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my $prefix = shift; # Get the prefix for the generated file
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my $file = "H5overflow.h"; # Name of file to generate
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my $name; # Name of function
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# Rename previous file
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# rename "${prefix}${file}", "${prefix}${file}~" or die "unable to make backup";
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# Open new header file
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open HEADER, ">${prefix}${file}" or die "unable to modify source";
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# Create file contents
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print_copyright(*HEADER);
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print_warning(*HEADER);
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print_startprotect(*HEADER, $file);
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print_typemacros(*HEADER);
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print_endprotect(*HEADER, $file);
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# Close header file
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close HEADER;
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}
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##############################################################################
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# Read symbol version file (given as command-line argument) in and process it
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# into internal data structures, then create header files.
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#
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my $file; # Filename of input file
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for $file (@ARGV) {
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my $prefix; # Local prefix for generated files
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my $line; # Line from input file
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#print "file = '$file'\n";
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($prefix) = ($file =~ /(^.*\/)/);
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#print "prefix = '$prefix'\n";
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# Read in the entire file
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open SOURCE, $file or die "$file: $!\n";
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while ( defined ($line=<SOURCE>) ) {
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# Skip blank lines and those lines whose first character is a '#'
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if(!($line =~ /(^\s*#.*$)|(^\s*$)/)) {
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# Construct data structures for later printing
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parse_line($line);
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}
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}
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close SOURCE;
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# Create header files
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print "Generating 'H5overflow.h'\n";
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create_public($prefix);
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}
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