[ViewVC] Annotation of: cvs/deliantra/server/server/genacc

#! perl

# used to automatically create accessors/mutators and method interfaces
# to C++ classes for Perl.

my $class = shift;
my $curclass = "";
my (@scalar_member, @array_member);

for my $file (@ARGV) {
   open my $fh, "<:utf8", $file
      or die "$file: $!";

   while (<$fh>) {
      next if /^\s*\//; # skip lines starting with /
      if ($curclass eq $class) {
         while (/ACC\s*\(R([WO])\s*,\s*([^)\]]+)(?:\[(\S+)\])?\)/g) {
            if ($3) {
               push @array_member, [$1, $2, $3];
            } else {
               push @scalar_member, [$1, $2];
            }
         }
         if (/MTH \s+ ([^(]*?) \s* ([A-Za-z_0-9]+) \s* \(([^)]*)\)/x) {
            push @method_member, [$1, $2, $3];
         }
      }
      while (/INTERFACE_CLASS\s*\((\S+)\)/g) {
         $curclass = $1;
      }
   }
}

for (@method_member) {
   my ($rettype, $name, $params) = @$_;

   if ($rettype =~ s/static\s+//) {
      my $args = join ", ", $params =~ m/.*?([a-zA-Z_0-9]+)(?:,\s*|$)/g;
      if ($rettype ne "void") {
         print "$rettype\n$name ($params)\n",
               "\tCODE:\n",
               "\tRETVAL = $class\::$name ($args);\n",
               "\tOUTPUT:\n",
               "\tRETVAL\n";
      } else {
         print "$rettype\n$name ($params)\n",
               "\tCODE:\n",
               "\t$class\::$name ($args);\n",
      }
   } else {
      print "$rettype\n$class\::$name ($params)\n";
   }

   print "\n";
}

if (@scalar_member) {
   print "SV *$scalar_member[0][1] ($class *self, SV *newval = 0)\n";
   print "\tPROTOTYPE: \$;\$\n";

   if (@scalar_member > 1) {
      print "\tALIAS:\n";
      for (1 .. $#scalar_member) {
         print "\t\t$scalar_member[$_][1]\t= $_\n";
      }
   }

   print "\tCODE:\n";

# read
   print "\tif (GIMME_V == G_VOID)\n",
         "\t  RETVAL = &PL_sv_undef;\n",
         "\telse\n",
         "\t  switch (ix)\n",
         "\t    {\n",
         (map "\t      case $_: RETVAL = to_sv (self->$scalar_member[$_][1]); break;\n",
             0 .. $#scalar_member),
         "\t      default: croak (\"scalar_member is write-only\");\n",
         "\t    };\n";

# write
   print "\tif (newval)\n",
         "\t  switch (ix)\n",
         "\t    {\n",
         (map "\t      case $_: sv_to (newval, self->$scalar_member[$_][1]); break;\n",
             grep $scalar_member[$_][0] eq "W",
                0 .. $#scalar_member),
         "\t      default: croak (\"scalar_member is read-only\");\n",
         "\t    };\n";

   print "\tOUTPUT: RETVAL\n\n";
}

if (@array_member) {
   print "SV *$array_member[0][1] ($class *self, int idx, SV *newval = 0)\n";
   print "\tPROTOTYPE: \$;\$\n";

   if (@array_member > 1) {
      print "\tALIAS:\n";
      for (1 .. $#array_member) {
         print "\t\t$array_member[$_][1]\t= $_\n";
      }
   }

   print "\tCODE:\n";

   print "\tif (idx < 0) croak (\"negative array index\");\n";

# range
   print "\t  switch (ix)\n",
         "\t    {\n",
         (map "\t      case $_: if (idx >= $array_member[$_][2]) croak (\"array index out of bounds\"); break;\n",
             0 .. $#array_member),
         "\t    };\n";

# read
   print "\tif (GIMME_V == G_VOID)\n",
         "\t  RETVAL = &PL_sv_undef;\n",
         "\telse\n",
         "\t  switch (ix)\n",
         "\t    {\n",
         (map "\t      case $_: RETVAL = to_sv (self->$array_member[$_][1] [idx]); break;\n",
             0 .. $#array_member),
         "\t      default: croak (\"array_member is write-only\");\n",
         "\t    };\n";

# write
   print "\tif (newval)\n",
         "\t  switch (ix)\n",
         "\t    {\n",
         (map "\t      case $_: sv_to (newval, self->$array_member[$_][1] [idx]); break;\n",
             grep $array_member[$_][0] eq "W",
                0 .. $#array_member),
         "\t      default: croak (\"array_member is read-only\");\n",
         "\t    };\n";

   print "\tOUTPUT: RETVAL\n\n";
}

Revision:	1.7
Committed:	Mon Mar 5 19:54:49 2007 UTC (17 years, 3 months ago) by root
Branch:	MAIN
CVS Tags:	rel-2_0, rel-2_1
Changes since 1.6:	+2 -1 lines
Log Message:	partially support vpath builds
#	User	Rev	Content
1	root	1.1	#! perl
2
3	root	1.7	# used to automatically create accessors/mutators and method interfaces
4			# to C++ classes for Perl.
5	root	1.4
6	root	1.1	my $class = shift;
7			my $curclass = "";
8	root	1.3	my (@scalar_member, @array_member);
9	root	1.1
10			for my $file (@ARGV) {
11			open my $fh, "<:utf8", $file
12			or die "$file: $!";
13
14			while (<$fh>) {
15	root	1.6	next if /^\s*\//; # skip lines starting with /
16	root	1.5	if ($curclass eq $class) {
17			while (/ACC\s\(R([WO])\s,\s*([^)\]]+)(?:\[(\S+)\])?\)/g) {
18			if ($3) {
19			push @array_member, [$1, $2, $3];
20			} else {
21			push @scalar_member, [$1, $2];
22			}
23			}
24			if (/MTH \s+ ([^(]?) \s ([A-Za-z_0-9]+) \s* \(([^)]*)\)/x) {
25			push @method_member, [$1, $2, $3];
26	root	1.3	}
27	root	1.1	}
28	root	1.4	while (/INTERFACE_CLASS\s*\((\S+)\)/g) {
29	root	1.1	$curclass = $1;
30			}
31			}
32			}
33
34	root	1.5	for (@method_member) {
35			my ($rettype, $name, $params) = @$_;
36
37			if ($rettype =~ s/static\s+//) {
38			my $args = join ", ", $params =~ m/.?([a-zA-Z_0-9]+)(?:,\s\|$)/g;
39			if ($rettype ne "void") {
40			print "$rettype\n$name ($params)\n",
41			"\tCODE:\n",
42			"\tRETVAL = $class\::$name ($args);\n",
43			"\tOUTPUT:\n",
44			"\tRETVAL\n";
45			} else {
46			print "$rettype\n$name ($params)\n",
47			"\tCODE:\n",
48			"\t$class\::$name ($args);\n",
49			}
50			} else {
51			print "$rettype\n$class\::$name ($params)\n";
52			}
53
54			print "\n";
55			}
56
57	root	1.3	if (@scalar_member) {
58			print "SV $scalar_member[0][1] ($class self, SV *newval = 0)\n";
59			print "\tPROTOTYPE: \$;\$\n";
60
61			if (@scalar_member > 1) {
62			print "\tALIAS:\n";
63			for (1 .. $#scalar_member) {
64			print "\t\t$scalar_member[$_][1]\t= $_\n";
65			}
66			}
67	root	1.1
68	root	1.3	print "\tCODE:\n";
69
70			# read
71			print "\tif (GIMME_V == G_VOID)\n",
72			"\t RETVAL = &PL_sv_undef;\n",
73			"\telse\n",
74			"\t switch (ix)\n",
75			"\t {\n",
76			(map "\t case $_: RETVAL = to_sv (self->$scalar_member[$_][1]); break;\n",
77			0 .. $#scalar_member),
78			"\t default: croak (\"scalar_member is write-only\");\n",
79			"\t };\n";
80	root	1.1
81	root	1.3	# write
82			print "\tif (newval)\n",
83			"\t switch (ix)\n",
84			"\t {\n",
85			(map "\t case $_: sv_to (newval, self->$scalar_member[$_][1]); break;\n",
86			grep $scalar_member[$_][0] eq "W",
87			0 .. $#scalar_member),
88			"\t default: croak (\"scalar_member is read-only\");\n",
89			"\t };\n";
90
91			print "\tOUTPUT: RETVAL\n\n";
92			}
93
94			if (@array_member) {
95			print "SV $array_member[0][1] ($class self, int idx, SV *newval = 0)\n";
96			print "\tPROTOTYPE: \$;\$\n";
97
98			if (@array_member > 1) {
99			print "\tALIAS:\n";
100			for (1 .. $#array_member) {
101			print "\t\t$array_member[$_][1]\t= $_\n";
102			}
103	root	1.1	}
104
105	root	1.3	print "\tCODE:\n";
106
107			print "\tif (idx < 0) croak (\"negative array index\");\n";
108
109			# range
110			print "\t switch (ix)\n",
111			"\t {\n",
112			(map "\t case $_: if (idx >= $array_member[$_][2]) croak (\"array index out of bounds\"); break;\n",
113			0 .. $#array_member),
114			"\t };\n";
115	root	1.1
116			# read
117	root	1.3	print "\tif (GIMME_V == G_VOID)\n",
118			"\t RETVAL = &PL_sv_undef;\n",
119			"\telse\n",
120			"\t switch (ix)\n",
121			"\t {\n",
122			(map "\t case $_: RETVAL = to_sv (self->$array_member[$_][1] [idx]); break;\n",
123			0 .. $#array_member),
124			"\t default: croak (\"array_member is write-only\");\n",
125			"\t };\n";
126	root	1.1
127			# write
128	root	1.3	print "\tif (newval)\n",
129			"\t switch (ix)\n",
130			"\t {\n",
131			(map "\t case $_: sv_to (newval, self->$array_member[$_][1] [idx]); break;\n",
132			grep $array_member[$_][0] eq "W",
133			0 .. $#array_member),
134			"\t default: croak (\"array_member is read-only\");\n",
135			"\t };\n";
136	root	1.1
137	root	1.3	print "\tOUTPUT: RETVAL\n\n";
138			}
139	root	1.1