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# -*- mode: perl; indent-width: 4; show-tabs: yes; -*-

#

# Module name   : COMMON

# Module type   : Makefile system

#

# Description:

#    Common toolset utils

#

# Version   Who     Date        Description

#           APY     06/05/04    Created

#                   02/09/04    packaged functionality into ToolsetPrinter()

#

# $Source: /cvsroot/etm/devl/CFG/TOOLSET/COMMON,v $

# $Revision: 1.4 $ $Date: 2004/09/06 07:37:44 $ $State: Exp $

# $Author: ayoung $ $Locker:  $

#............................................................................#

use strict;

use warnings;

###############################################################################

#   Toolset I/O stream

#

#       New         Create a new stream

#

#       Prt         Print a raw line

#

#       PrtLn       Print a raw line and a new line

#

#       Newline     Print a single new line

#

#       Tag         Tagged line print.

#

#       Cmd         Command line print, tagged with meta quoted and terminates.

#

#       SetTag      Set the "tag", default none.

#

#       SetTerm     Set the command line "terminator", default "\\n\n".

#

#       Label       Print generalised label

#

#       ObjList     Generate a object list, using the specified recipe.

#

#       LibList     Generate a library list, using the specified recipe.

#

#       DepRules    Generate library dependency rules

#

###############################################################################

package ToolsetPrinter;

sub New

{

    my ($tag, $cmdterm) = @_;

    $tag = "" if ( !defined($tag) );            # default tag

    $cmdterm = "\\n\n"                          # and terminator

        if ( !defined($cmdterm) );

    my ($self) = {

            TAG         => $tag,

            CMDTERM     => $cmdterm

        };

    return bless $self, __PACKAGE__;

}

sub Prt

{

    my ($self) = shift;

    ::MakePrint "@_";

}

sub PrtLn

{

    my ($self) = shift;

    ::MakePrint "@_\n";

}

sub Entry

{

    my ($self) = shift;

    ::MakeEntry( @_ );

}

sub Newline

{

    my ($self) = shift;

    ::MakePrint "\n";

}

sub SetTag

{

    my ($self) = shift;

    my ($tag) = @_;

    $tag = "" if ( !defined($tag) );

    $self->{TAG} = $tag;

}

sub SetTerm

{

    my ($self) = shift;

    my ($cmdterm) = @_;

    $cmdterm = "\\n\n"                          # default terminator

        if ( !defined($cmdterm) );

    $self->{CMDTERM} = $cmdterm;

}

sub Cmd

{

    my ($self) = shift;

    ::MakeQuote "$self->{TAG}\t+=@_$self->{CMDTERM}";

}

sub Tag

{

    my ($self) = shift;

    ::MakePrint "$self->{TAG}\t+=@_\n";

}

sub Label

{

    my ($self) = shift;

    my ($desc, $target) = @_;

    $self->Prt( "#.. $desc ($target)\n\n" );

}

sub ObjList

{

    my ($self) = shift;

    my ($target, $objs, $genrecipe, @uargs) = @_;

    foreach (@$objs)

    {

        &$genrecipe( $self, $target, $_, @uargs );

    }

}

#private

sub CondParse

{

    my ($target, $cond) = @_;

    if ($cond =~ /^--ifdef=(.*)/) {             # .. ifdef XXX

        $cond = "ifdef $1";

    } elsif ($cond =~ /^--ifndef=(.*)/) {       # .. ifndef XXX

        $cond = "ifndef $1";

    } elsif ($cond =~ /^--ifdebug$/) {          # .. if DEBUG

        $cond = "ifeq \"\$(DEBUG)\" \"1\"";

    } elsif ($cond =~ /^--ifprod$/) {           # .. if PRODUCTION

        $cond = "ifeq \"\$(DEBUG)\" \"0\"";

    } elsif ($cond =~ /^--ifeq=(.*):(.*)$/) {   # .. ifeq XXXX:YYYY

        $cond = "ifeq \"\$($1)\" \"$2\"";

    } elsif ($cond =~ /^--ifneq=(.*):(.*)$/) {  # .. ifneq XXXX:YYYY

        $cond = "ifneq \"\$($1)\" \"$2\"";

    } else {                                    # .. unknown

        ::Error( "$target: unknown conditional construct '$cond'" );

        $cond = "";

    }

    return $cond;

}

#private

sub CondOpen

{

    my ($self) = shift;

    @{$self->{CONDSTACK}} = ();

}

#private

sub CondModify

{

    my ($self) = shift;

    my ($newstack) = @_;

    my ($oldstack) = \@{$self->{CONDSTACK}};

    my ($idx, $cond);

#   Diff the two stacks

#

    $idx = 0;

    while ( $idx <= $#$newstack &&

            $idx <= $#$oldstack &&

            $$newstack[$idx] eq $$oldstack[$idx] ) {

        $idx++;

    }

#   Pop diff

#

    while ($idx <= $#$oldstack) {

        $cond = pop @$oldstack;

        $self->Prt( "  " x ($#$oldstack+1) . "endif\n" );

    }

#   Push diff

#

    while ($idx <= $#$newstack) {

        $self->Prt( "  " x $idx . "$$newstack[$idx]\n" );

        $idx++;

    }

    @{$self->{CONDSTACK}} = @$newstack;

}

#private

sub CondClose

{

    my ($self) = shift;

    my (@newstack) = ();

    $self->CondModify( \@newstack );            # pop any stacked conditionals

}

sub LibList

{

    my ($self) = shift;

    my ($target, $libs, $genrecipe, @uargs) = @_;

    my (@cond, $t_cond) = ();

    $self->CondOpen();                          # open a conditional session

    foreach (@$libs)

    {

        if (/^--if/)                            # inlined conditionals

        {

            push @cond, $t_cond

                if (($t_cond = CondParse( $target, $_ )) ne "");

        }

        elsif (/^--/)                           # arguments

        {

            &$genrecipe( $self, $target, $_, @uargs );

        }

        else                                    # library

        {

            my (@args) = split( "\n\t\t", $_ ); # see makeif.pl

            my ($lib) = shift @args;

            #   Associated conditionals (if any)

            #

            foreach (@args) {

                push @cond, $t_cond

                    if (($t_cond = CondParse( $target, $_ )) ne "");

            }

            $self->CondModify( \@cond );        # modify

            @cond = ();

            #   Generate recipe

            #

            &$genrecipe( $self, $target, $lib, @uargs );

        }

    }

    $self->CondClose();                         # close session

}

sub SHLDDEPEND

{

    my ($self) = shift;

    my ($target, $base, $name, $dir) = @_;

    $dir = "LIBDIR" unless ( defined $dir );

    $self->Prt( "

\$($dir)/${target}.dep:\tSHBASE=${base}

\$($dir)/${target}.dep:\tSHNAME=${name}

\$($dir)/${target}.dep:\t\$(GBE_$dir)

\$($dir)/${target}.dep:\t\$(GBE_PLATFORM).mk

	\$(SHLDDEPEND)

ifneq \"\$(findstring \$(IFLAG),23)\" \"\"

-include\t\$($dir)/${target}.dep

endif

" );

}

sub LDDEPEND

{

    my ($self) = shift;

    my ($target, $dir) = @_;

    $dir = "BINDIR" unless ( defined $dir );

    $self->Prt( "

\$($dir)/${target}.dep:\t\$(GBE_$dir)

\$($dir)/${target}.dep:\t\$(GBE_PLATFORM).mk

	\$(LDDEPEND)

ifeq \"\$(IFLAG)\" \"3\"

-include\t\$($dir)/${target}.dep

endif

" );

}

sub DepRules

{

    my ($self) = shift;

    my ($target, $libs, $librecipe, @uargs) = @_;

    unless ( $self->{DepRulesHeaderDone}{$target} )

    {

        $self->{DepRulesHeaderDone}{$target} = 1;

                                                # label

        $self->Prt( "#.. Dependencies ($target)\n\n" );

                                                # library depends

        $self->Tag( "\\# DO NOT REMOVE - dependencies\\\\n\\\\n" );

    }

    $self->LibList( $target, $libs, $librecipe, @uargs );

}

1;