Subversion Repositories scarts

#!/usr/bin/tclsh

# Helper to enforce array-ness.

proc makearray {name} {

  upvar $name ary

  set ary(_) 1

  unset ary(_)

}

# Verbose printer.

proc verbose {text} {

# puts stderr $text

}

# This maps a name to its style:

# * bc    objects in this package and all its sub-packages

#         are to be compiled with the BC ABI.  It is an error

#         for sub-packages to also appear in the map.

# * package

#         objects in this package (and possibly sub-packages,

#         if they do not appear in the map) will be compiled en masse

#         from source into a single object, using the C++ ABI.

# * ordinary

#         objects in this package (and possibly sub-packages

#         if they do not appear in the map) will be compiled one at

#         a time into separate .o files.

# * ignore

#         objects in this package are not used.  Note however that

#         most ignored files are actually handled by listing them in

#         'standard.omit'

#

# If a package does not appear in the map, the default is 'package'.

global package_map

set package_map(.) package

# These are ignored in Classpath.

set package_map(gnu/test) ignore

set package_map(gnu/javax/swing/plaf/gtk) ignore

set package_map(gnu/xml) bc

set package_map(javax/imageio) bc

set package_map(javax/xml) bc

set package_map(gnu/java/beans) bc

set package_map(gnu/java/awt/peer/gtk) bc

set package_map(gnu/java/awt/peer/qt) bc

set package_map(gnu/javax/sound/midi) bc

set package_map(org/xml) bc

set package_map(org/w3c) bc

set package_map(javax/rmi) bc

set package_map(org/omg) bc

set package_map(gnu/CORBA) bc

set package_map(gnu/javax/rmi) bc

# This is handled specially by the Makefile.

# We still want it byte-compiled so it isn't in the .omit file.

set package_map(gnu/gcj/tools/gcj_dbtool/Main.java) ignore

# These are handled specially.  If we list Class.java with other files

# in java.lang, we hit a compiler bug.

set package_map(java/lang/Class.java) ignore

set package_map(java/lang/Object.java) ignore

# More special cases.  These end up in their own library.

# Note that if we BC-compile AWT we must update these as well.

set package_map(gnu/gcj/xlib) package

set package_map(gnu/awt/xlib) package

# Some BC ABI packages have classes which must not be compiled BC.

# This maps such packages to a grep expression for excluding such

# classes.

global exclusion_map

makearray exclusion_map

# set exclusion_map(java/awt) AWTPermission

# This maps a package name to a list of corresponding .java file base

# names.  The package name will either appear as a key in package_map,

# or it will be '.' for the default.

global name_map

makearray name_map

# This maps a java file base name, like 'java/lang/Object.java', to

# the source directory in which it resides.  We keep a layer of

# indirection here so that we can override sources in Classpath with

# our own sources.

global dir_map

makearray dir_map

# List of all '@' files that we are going to compile.

set package_files {}

# List of all header file variables.

set header_vars {}

# List of all BC object files.

set bc_objects {}

# List of regexps for matching ignored files.

set ignore_rx_list {}

# Return true if a given file should be ignored.

# The argument is the path name including the package part.

proc ignore_file_p {file} {

  global ignore_rx_list

  foreach rx $ignore_rx_list {

    if {[regexp -- $rx $file]} {

      verbose "ignoring $file for $rx"

      return 1

    }

  }

  return 0

}

# Read a '.omit' file and update the internal data structures.

proc read_omit_file {name} {

  global ignore_rx_list

  set fd [open $name r]

  while {! [eof $fd]} {

    set line [gets $fd]

    # Classpath's entries bogusly start with "../".

    if {[string match ../* $line]} {

      set line [string range $line 3 end]

    }

    if {$line != ""} {

      lappend ignore_rx_list $line

    }

  }

  close $fd

}

# Classify a single source file.

proc classify_source_file {basedir file} {

  global package_map name_map dir_map

  if {[ignore_file_p $file]} {

    return

  }

  set seen [info exists dir_map($file)]

  set dir_map($file) $basedir

  set pkg $file

  while {1} {

    if {[info exists package_map($pkg)]} {

      # If the entry for '.' is 'package', then set up a new entry for

      # the file's package.

      if {$pkg == "." && $package_map($pkg) == "package"} {

        set pkg [file dirname $file]

        set package_map($pkg) package

      }

      verbose "classify succeeded: $file -> $pkg"

      if {! $seen} {

        lappend name_map($pkg) $file

      }

      return

    }

    set pkg [file dirname $pkg]

  }

  error "can't happen"

}

# Scan a directory and its subdirectories for .java source files.

# Note that we keep basedir and subdir separate so we can properly

# update our global data structures.

proc scan_directory {basedir subdir} {

  global dir_map

  set subdirs {}

  set files {}

  set here [pwd]

  cd $basedir/$subdir

  foreach file [lsort [glob -nocomplain *]] {

    if {[string match *.java $file]} {

      lappend files $subdir/$file

    } elseif {[file isdirectory $file]} {

      lappend subdirs $subdir/$file

    }

  }

  cd $here

  # Recurse first, so that we don't create new packages too eagerly.

  foreach dir $subdirs {

    scan_directory $basedir $dir

  }

  foreach file $files {

    classify_source_file $basedir $file

  }

}

# Scan known packages beneath the base directory for .java source

# files.

proc scan_packages {basedir} {

  foreach subdir {gnu java javax org} {

    if {[file exists $basedir/$subdir]} {

      scan_directory $basedir $subdir

    }

  }

}

# Emit a rule for a 'bc' package.

proc emit_bc_rule {package} {

  global package_map exclusion_map bc_objects

  if {$package == "."} {

    set pkgname ordinary

  } else {

    set pkgname $package

  }

  set varname [join [split $pkgname /] _]_source_files

  set loname [join [split $pkgname /] -].lo

  set tname [join [split $pkgname /] -].list

  puts "$loname: \$($varname)"

  # Create a temporary list file and then compile it.  This works

  # around the libtool problem mentioned in PR 21058.  classpath was

  # built first, so the class files are to be found there.

  set omit ""

  if {[info exists exclusion_map($package)]} {

    set omit "| grep -v $exclusion_map($package)"

  }

  puts  "\t@find classpath/lib/$package -name '*.class'${omit} > $tname"

  puts "\t\$(LTGCJCOMPILE) -fjni -findirect-dispatch -c -o $loname @$tname"

  puts "\t@rm -f $tname"

  puts ""

  # We skip these because they are built into their own libraries and

  # are handled specially in Makefile.am.

  if {$loname != "gnu-java-awt-peer-gtk.lo"

      && $loname != "gnu-java-awt-peer-qt.lo"} {

    lappend bc_objects $loname

  }

}

# Emit a rule for a 'package' package.

proc emit_package_rule {package} {

  global package_map exclusion_map package_files

  if {$package == "."} {

    set pkgname ordinary

  } else {

    set pkgname $package

  }

  set varname [join [split $pkgname /] _]_source_files

  set base $pkgname

  set lname $base.list

  set dname $base.deps

  # A rule to make the phony file we are going to compile.

  puts "$lname: \$($varname)"

  puts "\t@\$(mkinstalldirs) \$(dir \$@)"

  puts "\t@for file in \$($varname); do \\"

  puts "\t  if test -f \$(srcdir)/\$\$file; then \\"

  puts "\t    echo \$(srcdir)/\$\$file; \\"

  puts "\t  else echo \$\$file; fi; \\"

  puts "\tdone > $lname"

  puts ""

  puts "-include $dname"

  puts ""

  puts ""

  if {$pkgname != "gnu/gcj/xlib" && $pkgname != "gnu/awt/xlib"} {

    lappend package_files $lname

  }

}

# Emit a source file variable for a package, and corresponding header

# file variable, if needed.

proc emit_source_var {package} {

  global package_map name_map dir_map header_vars

  if {$package == "."} {

    set pkgname ordinary

  } else {

    set pkgname $package

  }

  set uname [join [split $pkgname /] _]

  set varname ${uname}_source_files

  puts -nonewline "$varname ="

  makearray dirs

  foreach base [lsort $name_map($package)] {

    # Terminate previous line.

    puts " \\"

    # Having files start with './' is ugly and confuses the automake

    # "dirstamp" code; see automake PR 461.

    set ndir $dir_map($base)/

    if {$ndir == "./"} {

      set ndir ""

    }

    puts -nonewline "${ndir}${base}"

    set dirs($dir_map($base)) 1

  }

  puts ""

  puts ""

  if {$package_map($package) != "bc"} {

    # Ugly code to build up the appropriate patsubst.

    set result "\$(patsubst %.java,%.h,\$($varname))"

    foreach dir [lsort [array names dirs]] {

      if {$dir != "."} {

        set result "\$(patsubst $dir/%,%,$result)"

      }

    }

    if {$package == "." || $package == "java/lang"} {

      # Ugly hack.

      set result "\$(filter-out java/lang/Object.h java/lang/Class.h,$result)"

    }

    puts "${uname}_header_files = $result"

    puts ""

    if {$pkgname != "gnu/gcj/xlib" && $pkgname != "gnu/awt/xlib"} {

      lappend header_vars "${uname}_header_files"

    }

  }

}

# Pretty-print a Makefile variable.

proc pp_var {name valueList {pre ""} {post ""}} {

  puts ""

  puts -nonewline "$name ="

  foreach val $valueList {

    puts " \\"

    puts -nonewline "  ${pre}${val}${post}"

  }

  puts ""

}

# Read the proper .omit files.

read_omit_file standard.omit.in

read_omit_file classpath/lib/standard.omit

# Scan classpath first.

scan_packages classpath

scan_packages classpath/external/sax

scan_packages classpath/external/w3c_dom

# Now scan our own files; this will correctly override decisions made

# when scanning classpath.

scan_packages .

# Files created by the build.

classify_source_file . java/lang/ConcreteProcess.java

classify_source_file classpath java/util/LocaleData.java

classify_source_file classpath gnu/classpath/Configuration.java

puts "## This file was automatically generated by scripts/makemake.tcl"

puts "## Do not edit!"

puts ""

foreach package [lsort [array names package_map]] {

  if {$package_map($package) == "ignore"} {

    continue

  }

  if {! [info exists name_map($package)]} {

    continue

  }

  emit_source_var $package

  if {$package_map($package) == "bc"} {

    emit_bc_rule $package

  } elseif {$package_map($package) == "ordinary"} {

    # Nothing in particular to do here.

  } elseif {$package_map($package) == "package"} {

    emit_package_rule $package

  } else {

    error "unrecognized type: $package_map($package)"

  }

}

pp_var all_packages_source_files $package_files

pp_var ordinary_header_files $header_vars "\$(" ")"

pp_var bc_objects $bc_objects