line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
package App::Scheme79asm::Compiler; |
2
|
|
|
|
|
|
|
|
3
|
1
|
|
|
1
|
|
72301
|
use 5.014000; |
|
1
|
|
|
|
|
9
|
|
4
|
1
|
|
|
1
|
|
4
|
use strict; |
|
1
|
|
|
|
|
1
|
|
|
1
|
|
|
|
|
24
|
|
5
|
1
|
|
|
1
|
|
5
|
use warnings; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
41
|
|
6
|
|
|
|
|
|
|
|
7
|
|
|
|
|
|
|
our $VERSION = '1.000'; |
8
|
|
|
|
|
|
|
|
9
|
1
|
|
|
1
|
|
6
|
use Carp qw/croak/; |
|
1
|
|
|
|
|
1
|
|
|
1
|
|
|
|
|
47
|
|
10
|
1
|
|
|
1
|
|
485
|
use Data::Dumper qw/Dumper/; |
|
1
|
|
|
|
|
6010
|
|
|
1
|
|
|
|
|
71
|
|
11
|
1
|
|
|
1
|
|
7
|
use Scalar::Util qw/looks_like_number/; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
43
|
|
12
|
|
|
|
|
|
|
|
13
|
1
|
|
|
1
|
|
6
|
use Data::SExpression qw/cons consp scalarp/; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
7
|
|
14
|
1
|
|
|
1
|
|
497
|
use List::MoreUtils qw/firstidx/; |
|
1
|
|
|
|
|
10180
|
|
|
1
|
|
|
|
|
5
|
|
15
|
|
|
|
|
|
|
|
16
|
|
|
|
|
|
|
our @PRIMOPS = qw/car cdr cons atom progn reverse-list/; |
17
|
|
|
|
|
|
|
|
18
|
20
|
|
|
20
|
0
|
489
|
sub make_symbol { Data::SExpression::Symbol->new(shift) } |
19
|
|
|
|
|
|
|
|
20
|
|
|
|
|
|
|
# types |
21
|
|
|
|
|
|
|
our $LIST = make_symbol 'LIST'; |
22
|
|
|
|
|
|
|
our $SYMBOL = make_symbol 'SYMBOL'; |
23
|
|
|
|
|
|
|
our $VAR = make_symbol 'VAR'; |
24
|
|
|
|
|
|
|
# no need for closures |
25
|
|
|
|
|
|
|
our $PROC = make_symbol 'PROC'; |
26
|
|
|
|
|
|
|
our $IF = make_symbol 'IF'; |
27
|
|
|
|
|
|
|
our $CALL = make_symbol 'CALL'; |
28
|
|
|
|
|
|
|
# no need for quoted constants |
29
|
|
|
|
|
|
|
|
30
|
|
|
|
|
|
|
# primitives |
31
|
|
|
|
|
|
|
our $MORE = make_symbol 'MORE'; |
32
|
|
|
|
|
|
|
our $FUNCALL = make_symbol 'FUNCALL'; |
33
|
|
|
|
|
|
|
|
34
|
|
|
|
|
|
|
BEGIN { |
35
|
1
|
|
|
1
|
|
1002
|
*cons = *Data::SExpression::cons; |
36
|
1
|
|
|
|
|
3
|
*consp = *Data::SExpression::consp; |
37
|
1
|
|
|
|
|
1085
|
*scalarp = *Data::SExpression::scalarp; |
38
|
|
|
|
|
|
|
} |
39
|
|
|
|
|
|
|
|
40
|
|
|
|
|
|
|
# list processing routines |
41
|
|
|
|
|
|
|
sub append { |
42
|
30
|
|
|
30
|
0
|
462
|
my ($expr, $rest) = @_; |
43
|
30
|
100
|
|
|
|
47
|
if (defined $expr) { |
44
|
20
|
|
|
|
|
272
|
cons $expr->car, append($expr->cdr, $rest) |
45
|
|
|
|
|
|
|
} else { |
46
|
10
|
|
|
|
|
19
|
$rest |
47
|
|
|
|
|
|
|
} |
48
|
|
|
|
|
|
|
} |
49
|
|
|
|
|
|
|
|
50
|
|
|
|
|
|
|
sub mapcar (&@); |
51
|
|
|
|
|
|
|
|
52
|
|
|
|
|
|
|
sub mapcar (&@) { |
53
|
41
|
|
|
41
|
0
|
138
|
my ($block, $expr) = @_; |
54
|
41
|
100
|
|
|
|
63
|
if (defined $expr) { |
55
|
24
|
|
|
|
|
28
|
my $result; |
56
|
24
|
|
|
|
|
26
|
do { |
57
|
24
|
|
|
|
|
346
|
local $_ = $expr->car; |
58
|
24
|
|
|
|
|
105
|
$result = $block->() |
59
|
|
|
|
|
|
|
}; |
60
|
24
|
|
|
10
|
|
418
|
cons $result, mapcar { $block->($_) } $expr->cdr |
|
10
|
|
|
|
|
18
|
|
61
|
|
|
|
|
|
|
} else { |
62
|
|
|
|
|
|
|
undef |
63
|
17
|
|
|
|
|
35
|
} |
64
|
|
|
|
|
|
|
} |
65
|
|
|
|
|
|
|
|
66
|
|
|
|
|
|
|
sub revacc { |
67
|
14
|
|
|
14
|
0
|
230
|
my ($expr, $acc) = @_; |
68
|
14
|
100
|
|
|
|
24
|
if (defined $expr) { |
69
|
8
|
|
|
|
|
118
|
revacc ($expr->cdr, cons($expr->car, $acc)) |
70
|
|
|
|
|
|
|
} else { |
71
|
6
|
|
|
|
|
17
|
$acc |
72
|
|
|
|
|
|
|
} |
73
|
|
|
|
|
|
|
} |
74
|
|
|
|
|
|
|
|
75
|
|
|
|
|
|
|
sub rev { |
76
|
6
|
|
|
6
|
0
|
11
|
my ($expr) = @_; |
77
|
6
|
|
|
|
|
13
|
revacc $expr, undef; |
78
|
|
|
|
|
|
|
} |
79
|
|
|
|
|
|
|
|
80
|
|
|
|
|
|
|
sub positionacc { |
81
|
37
|
|
|
37
|
0
|
123
|
my ($expr, $list, $acc) = @_; |
82
|
37
|
100
|
|
|
|
530
|
if (!defined $list) { |
|
|
100
|
|
|
|
|
|
83
|
|
|
|
|
|
|
undef |
84
|
1
|
|
|
|
|
3
|
} elsif ($list->car eq $expr) { |
85
|
16
|
|
|
|
|
1023
|
$acc |
86
|
|
|
|
|
|
|
} else { |
87
|
20
|
|
|
|
|
1484
|
positionacc($expr, $list->cdr, $acc + 1) |
88
|
|
|
|
|
|
|
} |
89
|
|
|
|
|
|
|
} |
90
|
|
|
|
|
|
|
|
91
|
|
|
|
|
|
|
sub position { |
92
|
17
|
|
|
17
|
0
|
29
|
my ($expr, $list) = @_; |
93
|
17
|
|
|
|
|
30
|
positionacc $expr, $list, 0 |
94
|
|
|
|
|
|
|
} |
95
|
|
|
|
|
|
|
# end list processing routines |
96
|
|
|
|
|
|
|
|
97
|
|
|
|
|
|
|
sub new { |
98
|
28
|
|
|
28
|
0
|
111
|
my ($class) = @_; |
99
|
28
|
|
|
|
|
114
|
my %self = ( |
100
|
|
|
|
|
|
|
symbols => ['', '', 'T'], |
101
|
|
|
|
|
|
|
nsymbols => 3, |
102
|
|
|
|
|
|
|
symbol_map => {T => 2}, |
103
|
|
|
|
|
|
|
); |
104
|
28
|
|
|
|
|
104
|
bless \%self, $class; |
105
|
|
|
|
|
|
|
} |
106
|
|
|
|
|
|
|
|
107
|
|
|
|
|
|
|
sub process_quoted { |
108
|
48
|
|
|
48
|
0
|
3658
|
my ($self, $expr) = @_; |
109
|
48
|
100
|
|
|
|
116
|
if (!defined $expr) { # nil |
|
|
100
|
|
|
|
|
|
|
|
100
|
|
|
|
|
|
110
|
9
|
|
|
|
|
131
|
[$LIST => 0] |
111
|
|
|
|
|
|
|
} elsif (scalarp $expr) { |
112
|
25
|
|
|
|
|
142
|
$expr = uc $expr; |
113
|
25
|
100
|
|
|
|
411
|
if ($expr eq 'NIL') { |
114
|
1
|
|
|
|
|
5
|
return [$LIST => 0] |
115
|
|
|
|
|
|
|
} |
116
|
24
|
100
|
|
|
|
68
|
if (!exists $self->{symbol_map}{$expr}) { |
117
|
22
|
|
|
|
|
40
|
$self->{symbol_map}{$expr} = $self->{nsymbols}; |
118
|
22
|
|
|
|
|
31
|
$self->{nsymbols}++; |
119
|
22
|
|
|
|
|
28
|
push @{$self->{symbols}}, $expr; |
|
22
|
|
|
|
|
53
|
|
120
|
|
|
|
|
|
|
} |
121
|
24
|
|
|
|
|
188
|
[$SYMBOL => $self->{symbol_map}{$expr}] |
122
|
|
|
|
|
|
|
} elsif (consp $expr) { |
123
|
13
|
|
|
|
|
328
|
[$LIST => $self->process_quoted($expr->cdr), $self->process_quoted($expr->car)] |
124
|
|
|
|
|
|
|
} else { |
125
|
1
|
|
|
|
|
17
|
croak 'argument to process_quoted is not a scalar, cons, or nil: ', Dumper($expr); |
126
|
|
|
|
|
|
|
} |
127
|
|
|
|
|
|
|
} |
128
|
|
|
|
|
|
|
|
129
|
|
|
|
|
|
|
sub process_proc { |
130
|
6
|
|
|
6
|
0
|
15
|
my ($self, $func_name, $func_args, $func_body, $env) = @_; |
131
|
6
|
|
|
|
|
13
|
my $new_env = append cons($func_name, rev $func_args), $env; |
132
|
6
|
|
|
|
|
143
|
$self->process_toplevel($func_body, $new_env) |
133
|
|
|
|
|
|
|
} |
134
|
|
|
|
|
|
|
|
135
|
|
|
|
|
|
|
sub rest_of_funcall { |
136
|
28
|
|
|
28
|
0
|
616
|
my ($self, $func, $args) = @_; |
137
|
28
|
100
|
|
|
|
47
|
if (!defined $args) { |
138
|
16
|
|
|
|
|
225
|
$func |
139
|
|
|
|
|
|
|
} else { |
140
|
12
|
|
|
|
|
162
|
[$MORE => $self->rest_of_funcall($func, $args->cdr), $args->car] |
141
|
|
|
|
|
|
|
} |
142
|
|
|
|
|
|
|
} |
143
|
|
|
|
|
|
|
|
144
|
|
|
|
|
|
|
sub process_funcall { |
145
|
17
|
|
|
17
|
0
|
356
|
my ($self, $func_name, $func_args, $env) = @_; |
146
|
17
|
|
|
59
|
|
86
|
my $prim_idx = firstidx { uc $_ eq uc $func_name } @PRIMOPS; |
|
59
|
|
|
|
|
1130
|
|
147
|
|
|
|
|
|
|
my $processed_args = |
148
|
17
|
|
|
24
|
|
551
|
mapcar { $self->process_toplevel($_, $env) } $func_args; |
|
24
|
|
|
|
|
63
|
|
149
|
17
|
100
|
|
|
|
299
|
if ($prim_idx > -1) { |
150
|
13
|
100
|
|
|
|
31
|
if (!defined $processed_args) { |
151
|
1
|
|
|
|
|
4
|
croak "Cannot call primitive $func_name with no arguments"; |
152
|
|
|
|
|
|
|
} |
153
|
12
|
|
|
|
|
28
|
[$CALL => $self->rest_of_funcall([make_symbol(uc $func_name), 0], $processed_args->cdr), $processed_args->car] |
154
|
|
|
|
|
|
|
} else { |
155
|
4
|
|
|
|
|
9
|
my $final_args = append $processed_args, cons ($self->process_toplevel($func_name, $env), undef); |
156
|
4
|
|
|
|
|
107
|
[$CALL => $self->rest_of_funcall([$FUNCALL => 0], $final_args->cdr), $final_args->car] |
157
|
|
|
|
|
|
|
} |
158
|
|
|
|
|
|
|
} |
159
|
|
|
|
|
|
|
|
160
|
|
|
|
|
|
|
sub process_toplevel { |
161
|
68
|
|
|
68
|
0
|
16991
|
my ($self, $expr, $env) = @_; |
162
|
68
|
100
|
|
|
|
162
|
if (!defined $expr) { |
|
|
100
|
|
|
|
|
|
163
|
2
|
|
|
|
|
24
|
[$LIST => 0] |
164
|
|
|
|
|
|
|
} elsif (scalarp $expr) { |
165
|
25
|
100
|
|
|
|
173
|
if (looks_like_number $expr) { |
|
|
100
|
|
|
|
|
|
|
|
100
|
|
|
|
|
|
166
|
2
|
|
|
|
|
5
|
$self->process_quoted($expr); |
167
|
|
|
|
|
|
|
} elsif (uc $expr eq 'T') { |
168
|
4
|
|
|
|
|
292
|
[$SYMBOL => 2] |
169
|
|
|
|
|
|
|
} elsif (uc $expr eq 'NIL') { |
170
|
2
|
|
|
|
|
224
|
[$LIST => 0] |
171
|
|
|
|
|
|
|
} else { |
172
|
17
|
|
|
|
|
1695
|
my $position = position $expr, $env; |
173
|
17
|
100
|
|
|
|
30
|
if (defined $position) { |
174
|
16
|
|
|
|
|
95
|
[$VAR => -1 - $position] |
175
|
|
|
|
|
|
|
} else { |
176
|
1
|
|
|
|
|
3
|
croak "Variable $expr not in environment"; |
177
|
|
|
|
|
|
|
} |
178
|
|
|
|
|
|
|
} |
179
|
|
|
|
|
|
|
} else { |
180
|
41
|
|
|
|
|
777
|
my $func = uc $expr->car; |
181
|
41
|
100
|
|
|
|
1518
|
if ($func eq 'QUOTE') { |
|
|
100
|
|
|
|
|
|
|
|
100
|
|
|
|
|
|
182
|
14
|
|
|
|
|
205
|
$self->process_quoted($expr->cdr->car) |
183
|
|
|
|
|
|
|
} elsif ($func eq 'LAMBDA') { |
184
|
6
|
|
|
|
|
94
|
my $func_name = $expr->cdr->car; |
185
|
6
|
|
|
|
|
214
|
my $func_args = $expr->cdr->cdr->car; |
186
|
6
|
|
|
|
|
213
|
my $func_body = $expr->cdr->cdr->cdr->car; ## no critic (ProhibitLongChainsOfMethodCalls) |
187
|
6
|
|
|
|
|
152
|
[$PROC => $self->process_proc($func_name, $func_args, $func_body, $env)] |
188
|
|
|
|
|
|
|
} elsif ($func eq 'IF') { |
189
|
|
|
|
|
|
|
my ($if_cond, $if_then, $if_else) = |
190
|
4
|
|
|
|
|
56
|
map { $self->process_toplevel($_, $env) } |
|
12
|
|
|
|
|
340
|
|
191
|
|
|
|
|
|
|
($expr->cdr->car, $expr->cdr->cdr->car, $expr->cdr->cdr->cdr->car); ## no critic (ProhibitLongChainsOfMethodCalls) |
192
|
4
|
|
|
|
|
95
|
[$IF => [$LIST => $if_else, $if_then], $if_cond] |
193
|
|
|
|
|
|
|
} else { |
194
|
17
|
|
|
|
|
243
|
$self->process_funcall($expr->car, $expr->cdr, $env) |
195
|
|
|
|
|
|
|
} |
196
|
|
|
|
|
|
|
} |
197
|
|
|
|
|
|
|
} |
198
|
|
|
|
|
|
|
|
199
|
|
|
|
|
|
|
sub compile_sexp { |
200
|
10
|
|
|
10
|
0
|
19
|
my ($self, $expr) = @_; |
201
|
10
|
|
|
|
|
24
|
$self->process_toplevel($expr, undef) |
202
|
|
|
|
|
|
|
} |
203
|
|
|
|
|
|
|
|
204
|
|
|
|
|
|
|
sub compile_string { |
205
|
10
|
|
|
10
|
0
|
21
|
my ($self, $string) = @_; |
206
|
10
|
|
|
|
|
32
|
my $sexp = Data::SExpression->new( |
207
|
|
|
|
|
|
|
{fold_lists => 0, use_symbol_class => 1} |
208
|
|
|
|
|
|
|
); |
209
|
10
|
|
|
|
|
1046
|
my $expr = $sexp->read($string); |
210
|
10
|
|
|
|
|
14486
|
$self->compile_sexp($expr) |
211
|
|
|
|
|
|
|
} |
212
|
|
|
|
|
|
|
|
213
|
|
|
|
|
|
|
1; |
214
|
|
|
|
|
|
|
__END__ |