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|
#!/usr/bin/perl -w
use warnings;
use strict;
package FunctionParsing;
my $multiLineComment = 0;
my $buffer="";
my $pristineBuffer="";
sub getNextFunction
{
my ($ffunc,$fh,$doNotPrint)=@_;
while(<$fh>) {
my $savedLine = $_;
s/\/\*.*\*\///;
s/\/\/.*$//;
$multiLineComment = 1 if (/^[\t ]*\/\*/);
if ($multiLineComment) {
print $savedLine unless ($doNotPrint);
$multiLineComment = 0 if (/\*\//);
next;
}
# Empty lines:
my $line = $_;
$line=~s/[ \t]+//;
$line=~s/\n//;
$pristineBuffer .= $savedLine;
if ($line eq "") {
print $pristineBuffer unless ($doNotPrint);
$pristineBuffer="";
next;
}
# Buffer
$buffer .= $_;
if (/\{/) {
my $needsPrinting = procBuffer(\$ffunc,$buffer,$doNotPrint);
print $pristineBuffer if ($needsPrinting and !$doNotPrint);
$buffer="";
$pristineBuffer="";
next if ($needsPrinting);
next unless ($doNotPrint);
my %ggg = %$ffunc;
# print STDERR "******".$ggg{"name"}."\n";
return if ($doNotPrint);
}
if (/\}[ \t]*$/ || /\:[ \t]*$/ || /\;[ \t]*$/) {
$buffer = "" ;
print $pristineBuffer unless ($doNotPrint);
$pristineBuffer="";
}
}
}
sub procBuffer
{
my ($ffunc,$t,$doNotPrint)=@_;
return 1 if ($t=~/\#define /);
return 1 if ($t=~/\#include /);
# Find first parens
my $first="";
my $second="";
if ($t=~/(^[^\(]+)\(([^\)]*)\)/) {
$first = $1;
$second = $2;
}
return 1 if ($first eq "");
my %func = %$$ffunc;
$func{"post-qualifier"} = getPostQualifier($t);
getFirstPart(\%func,$first);
%$$ffunc = %func;
# my $name = $func{"name"};
# return 1 if (isInVector(\@keywords,$name));
#
# printFunc(\%func);
#
# my @funcArgs=getArgs($second);
# for (my $i=0;$i<=$#funcArgs;$i++) {
# print STDERR " ~ $funcArgs[$i] ";
# }
# my $length=computeLength(\%func,\@funcArgs);
# print STDERR " LENGTH=$length\n";
# print STDERR "\n-----------------------------\n";
# return 1 if ($length<$GlobalMaxLine || $#funcArgs<1);
# rewriteSig(\%func,\@funcArgs) unless ($doNotPrint);
return 0;
}
sub getFirstPart
{
my ($f,$first)=@_;
$$f{"level"}=getLevel($first);
$first=~s/\n/\@ /g;
$_=$first;
my @temp=split;
my $n = $#temp+1;
if ($n==1) { # It's a constructor or destructor
$$f{"pre-qualifier"}="";
$$f{"type"}="";
$$f{"name"}=$temp[0];
return;
}
if ($n==2) { # unqualified function or destructor
if ($temp[1]=~/^\~/) { # destructor
$$f{"pre-qualifier"}=$temp[0];
$$f{"type"}="";
$$f{"name"}=$temp[1];
return;
}
# unqualified function
$$f{"pre-qualifier"}="";
$$f{"type"}=$temp[0];
$$f{"name"}=$temp[1];
return;
}
# $n>2 --> qualified function
$_=$first;
s/[^ \t]+[\t ]*$//; # kill name
s/[^ \t]+[\t ]*$//; #kill type
s/^[\t ]*//;
s/[\t ]*$//;
$$f{"pre-qualifier"} = $_;
$$f{"name"}=$temp[$n-1];
$$f{"type"}=$temp[$n-2];
}
sub getPostQualifier
{
my ($t)=@_;
my $ret = "";
$t=~s/\n/\@/g;
if ($t=~/\)(.*$)/) {
$ret = $1;
$ret =~ s/[ \t]+$//g;
}
return $ret;
}
sub getLevel
{
my ($t)=@_;
$_=$t;
if ($t=~/\n/) {
my @temp=split/\n/;
$_=$temp[$#temp];
}
#print STDERR "HERE $_\n";
my $counter=0;
while(s/^\t//) {
#print STDERR "*".$1."*\n";
$counter++;
}
return $counter;
}
sub getArgs
{
my ($t)=@_;
return if ($t eq "");
$_ = $t;
my @fa=split/,/;
my $n = $#fa+1;
for (my $i=0;$i<$n;$i++) {
$fa[$i]=~s/^[\t ]+//;
$fa[$i]=~s/[\t ]+$//;
$fa[$i]=~s/[\n\r]//g;
}
return glueArgs(\@fa);
}
sub glueArgs
{
my ($fa)=@_;
my @ret;
my $buffer="";
my $openFlag=0;
my $n = scalar(@$fa);
my $counter=0;
for (my $i=0;$i<$n;$i++) {
$buffer .= "," unless ($buffer eq "");
$_ = $fa->[$i];
s/^[\t ]*//;
s/[\t ]*$//;
$buffer .= $_;
$openFlag += countChars($fa->[$i],"<");
$openFlag -= countChars($fa->[$i],">");
if ($openFlag==0) {
$ret[$counter++]=$buffer;
$buffer="";
}
}
# $ret[$counter++]=$buffer;
# $buffer="";
return @ret;
}
sub countChars
{
my ($t,$c)=@_;
$_=$t;
my $counter=0;
while(s/\Q$c//) {
$counter++;
}
return $counter;
}
1;
|
