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header_parser.t
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#!./perl -w
# Verify that all files generated by perl scripts are up to date.
BEGIN {
if (-f "./TestInit.pm") {
push @INC, ".";
} elsif (-f '../TestInit.pm') {
push @INC, "..";
}
}
use TestInit qw(T A); # T is chdir to the top level, A makes paths absolute
use strict;
# this tests the functions in HeaderParser.pm which we use for make regen.
require './t/test.pl';
require './regen/HeaderParser.pm';
skip_all_if_miniperl("needs Data::Dumper");
require Data::Dumper;
my $update_key= "PERL_DEV_UPDATE_TESTFILE";
my $is_term = -t;
sub show_text {
my ($as_text, $can_update)= @_;
print STDERR "\n# Full text is as follows:\n\n" if $is_term;
print STDERR $as_text=~s/^/" " x 8/mger;
print STDERR <<EOF_BLURB if $is_term and $can_update
# You can set the env var $update_key to true and rerun
# this test script ($0) to automatically fix this test.
# Eg:
#
# $update_key=1 ./perl -Ilib $0
EOF_BLURB
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(indent_defines=>1);
$hp->parse_text(<<~'EOF');
#ifdef A
#ifdef B
#define AB
content 1
#endif
content 2
#define A
#endif
/*comment
line */
#define C /* this is
a hidden line continuation */ D
#de\
fine E\
F 42 /\
* a different kind of
hidden line continuation *\
/
#\
if defined E\
F
#endif
# /* null directive */
#error #undef
#error #pragma
#error #include
#error #define
#if 1
#if CH == 'x' || CH == '\\' || CH == '\n' || CH == 'AB'
#define CH_IS_IT
#endif
#endif
#if defined (foo)
foo
#endif
#if (CH == '\a' || /* Bell (alert) */ \
CH == '\b' || /* Backspace */ \
CH == '\f' || /* Form feed */ \
CH == '\n' || /* Newline */ \
CH == '\r' || /* Carriage return */ \
CH == '\t' || /* Horizontal tab */ \
CH == '\v' || /* Vertical tab */ \
CH == '\'' || /* Single quote */ \
CH == '\"' || /* Double quote (rare in single quotes) */ \
CH == '\?' || /* Question mark (avoids trigraphs) */ \
CH == '\\' || /* Backslash */ \
CH == '\102' || /* Octal escape for 'B' (ASCII 66) */ \
CH == '\x43') /* Hexadecimal escape for 'C' (ASCII 67) */
#define MATCH 1
#else
#define MATCH 0
#endif
EOF
my $normal= $hp->lines_as_str();
my $lines= $hp->lines();
my $lines_dump= Data::Dumper->new([$lines])->Sortkeys(1)->Useqq(1)->Indent(1)->Dump();
if ($ENV{$update_key}) {
open my $ifh, "<", $0 or die "Failed to read '$0': $!";
open my $ofh, ">", "$0.tmp" or die "Failed to open for write: '$0.tmp': $!";
my %content = (
'EOF_DUMP' => $lines_dump,
'EOF_NORMAL' => $normal
);
while (<$ifh>) {
if (/^\s*is\b.*<<~'(EOF_\w+)'/) {
my $here_doc_name = $1;
print $ofh $_;
my $indent= " " x 8;
print $ofh $content{$here_doc_name} =~ s/^/$indent/mgr;
while (<$ifh>) {
next unless /^\s+$here_doc_name\s*$/;
print $ofh $_;
last;
}
} else {
print $ofh $_;
}
}
close $ofh;
close $ifh;
rename "$0.tmp", "$0" or die "Failed to rename '$0.tmp' to '$0': $!";
}
is($lines_dump,<<~'EOF_DUMP', "Simple data structure as expected") or show_text($lines_dump,1);
$VAR1 = [
bless( {
"cond" => [
[
"defined(A)"
]
],
"flat" => "#if defined(A)",
"level" => 0,
"line" => "#if defined(A)\n",
"n_lines" => 1,
"raw" => "#ifdef A\n",
"source" => "(buffer)",
"start_line_num" => 1,
"sub_type" => "#if",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(A)"
],
[
"defined(B)"
]
],
"flat" => "#if defined(B)",
"level" => 1,
"line" => "# if defined(B)\n",
"n_lines" => 1,
"raw" => "#ifdef B\n",
"source" => "(buffer)",
"start_line_num" => 2,
"sub_type" => "#if",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(A)"
],
[
"defined(B)"
]
],
"flat" => "#define AB",
"level" => 2,
"line" => "# define AB\n",
"n_lines" => 1,
"raw" => "#define AB\n",
"source" => "(buffer)",
"start_line_num" => 3,
"sub_type" => "#define",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(A)"
],
[
"defined(B)"
]
],
"flat" => "content 1",
"level" => 2,
"line" => "content 1\n",
"n_lines" => 1,
"raw" => "content 1\n",
"source" => "(buffer)",
"start_line_num" => 4,
"sub_type" => "text",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(A)"
],
[
"defined(B)"
]
],
"flat" => "#endif",
"inner_lines" => 3,
"level" => 1,
"line" => "# endif\n",
"n_lines" => 1,
"raw" => "#endif\n",
"source" => "(buffer)",
"start_line_num" => 5,
"sub_type" => "#endif",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(A)"
]
],
"flat" => "content 2",
"level" => 1,
"line" => "content 2\n",
"n_lines" => 1,
"raw" => "content 2\n",
"source" => "(buffer)",
"start_line_num" => 6,
"sub_type" => "text",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(A)"
]
],
"flat" => "#define A",
"level" => 1,
"line" => "# define A\n",
"n_lines" => 1,
"raw" => "#define A\n",
"source" => "(buffer)",
"start_line_num" => 7,
"sub_type" => "#define",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(A)"
]
],
"flat" => "#endif",
"inner_lines" => 7,
"level" => 0,
"line" => "#endif\n",
"n_lines" => 1,
"raw" => "#endif\n",
"source" => "(buffer)",
"start_line_num" => 8,
"sub_type" => "#endif",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "",
"level" => 0,
"line" => "/*comment\n line */\n",
"n_lines" => 2,
"raw" => "/*comment\n line */\n",
"source" => "(buffer)",
"start_line_num" => 9,
"sub_type" => "text",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "#define C D",
"level" => 0,
"line" => "#define C /* this is\n a hidden line continuation */ D\n",
"n_lines" => 2,
"raw" => "#define C /* this is\n a hidden line continuation */ D\n",
"source" => "(buffer)",
"start_line_num" => 11,
"sub_type" => "#define",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "#define EF 42",
"level" => 0,
"line" => "#de\\\nfine E\\\nF 42 /\\\n* a different kind of\nhidden line continuation *\\\n/\n",
"n_lines" => 6,
"raw" => "#de\\\nfine E\\\nF 42 /\\\n* a different kind of\nhidden line continuation *\\\n/\n",
"source" => "(buffer)",
"start_line_num" => 13,
"sub_type" => "#define",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(EF)"
]
],
"flat" => "#if defined(EF)",
"level" => 0,
"line" => "#if defined(EF)\n",
"n_lines" => 3,
"raw" => "#\\\nif defined E\\\nF\n",
"source" => "(buffer)",
"start_line_num" => 19,
"sub_type" => "#if",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(EF)"
]
],
"flat" => "#endif",
"inner_lines" => 3,
"level" => 0,
"line" => "#endif\n",
"n_lines" => 1,
"raw" => "#endif\n",
"source" => "(buffer)",
"start_line_num" => 22,
"sub_type" => "#endif",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "#",
"level" => 0,
"line" => "# /* null directive */\n",
"n_lines" => 1,
"raw" => "# /* null directive */\n",
"source" => "(buffer)",
"start_line_num" => 23,
"sub_type" => "text",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "#error #undef",
"level" => 0,
"line" => "#error #undef\n",
"n_lines" => 1,
"raw" => "#error #undef\n",
"source" => "(buffer)",
"start_line_num" => 24,
"sub_type" => "#error",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "#error #pragma",
"level" => 0,
"line" => "#error #pragma\n",
"n_lines" => 1,
"raw" => "#error #pragma\n",
"source" => "(buffer)",
"start_line_num" => 25,
"sub_type" => "#error",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "#error #include",
"level" => 0,
"line" => "#error #include\n",
"n_lines" => 1,
"raw" => "#error #include\n",
"source" => "(buffer)",
"start_line_num" => 26,
"sub_type" => "#error",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [],
"flat" => "#error #define",
"level" => 0,
"line" => "#error #define\n",
"n_lines" => 1,
"raw" => "#error #define\n",
"source" => "(buffer)",
"start_line_num" => 27,
"sub_type" => "#error",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
1
]
],
"flat" => "#if 1",
"level" => 0,
"line" => "#if 1\n",
"n_lines" => 1,
"raw" => "#if 1\n",
"source" => "(buffer)",
"start_line_num" => 28,
"sub_type" => "#if",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
1
],
[
"CH == '\\\\' || CH == 'AB' || CH == '\\n' || CH == 'x'"
]
],
"flat" => "#if CH == '\\\\' || CH == 'AB' || CH == '\\n' || CH == 'x'",
"level" => 1,
"line" => "# if CH == '\\\\' || CH == 'AB' || CH == '\\n' || CH == 'x'\n",
"n_lines" => 1,
"raw" => "#if CH == 'x' || CH == '\\\\' || CH == '\\n' || CH == 'AB'\n",
"source" => "(buffer)",
"start_line_num" => 29,
"sub_type" => "#if",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
1
],
[
"CH == '\\\\' || CH == 'AB' || CH == '\\n' || CH == 'x'"
]
],
"flat" => "#define CH_IS_IT",
"level" => 2,
"line" => "# define CH_IS_IT\n",
"n_lines" => 1,
"raw" => "#define CH_IS_IT\n",
"source" => "(buffer)",
"start_line_num" => 30,
"sub_type" => "#define",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
1
],
[
"CH == '\\\\' || CH == 'AB' || CH == '\\n' || CH == 'x'"
]
],
"flat" => "#endif",
"inner_lines" => 2,
"level" => 1,
"line" => "# endif\n",
"n_lines" => 1,
"raw" => "#endif\n",
"source" => "(buffer)",
"start_line_num" => 31,
"sub_type" => "#endif",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
1
]
],
"flat" => "#endif",
"inner_lines" => 4,
"level" => 0,
"line" => "#endif\n",
"n_lines" => 1,
"raw" => "#endif\n",
"source" => "(buffer)",
"start_line_num" => 32,
"sub_type" => "#endif",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(foo)"
]
],
"flat" => "#if defined(foo)",
"level" => 0,
"line" => "#if defined(foo)\n",
"n_lines" => 1,
"raw" => "#if defined (foo)\n",
"source" => "(buffer)",
"start_line_num" => 33,
"sub_type" => "#if",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(foo)"
]
],
"flat" => "foo",
"level" => 1,
"line" => "foo\n",
"n_lines" => 1,
"raw" => "foo\n",
"source" => "(buffer)",
"start_line_num" => 34,
"sub_type" => "text",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"defined(foo)"
]
],
"flat" => "#endif",
"inner_lines" => 2,
"level" => 0,
"line" => "#endif\n",
"n_lines" => 1,
"raw" => "#endif\n",
"source" => "(buffer)",
"start_line_num" => 35,
"sub_type" => "#endif",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"CH == '\\\"' || CH == '\\'' || CH == '\\\\' || CH == '\\102' || CH == '\\a' || CH == '\\b' || CH == '\\f' || CH == '\\n' || CH == '\\r' || CH == '\\t' || CH == '\\v' || CH == '\\x43' || CH == '\\?'"
]
],
"flat" => "#if CH == '\\\"' || CH == '\\'' || CH == '\\\\' || CH == '\\102' || CH == '\\a' || CH == '\\b' || CH == '\\f' || CH == '\\n' || CH == '\\r' || CH == '\\t' || CH == '\\v' || CH == '\\x43' || CH == '\\?'",
"level" => 0,
"line" => "#if CH == '\\\"' || CH == '\\'' || CH == '\\\\' || CH == '\\102' || CH == '\\a' || \\\n CH == '\\b' || CH == '\\f' || CH == '\\n' || CH == '\\r' || CH == '\\t' || \\\n CH == '\\v' || CH == '\\x43' || CH == '\\?'\n",
"n_lines" => 13,
"raw" => "#if (CH == '\\a' || /* Bell (alert) */ \\\n CH == '\\b' || /* Backspace */ \\\n CH == '\\f' || /* Form feed */ \\\n CH == '\\n' || /* Newline */ \\\n CH == '\\r' || /* Carriage return */ \\\n CH == '\\t' || /* Horizontal tab */ \\\n CH == '\\v' || /* Vertical tab */ \\\n CH == '\\'' || /* Single quote */ \\\n CH == '\\\"' || /* Double quote (rare in single quotes) */ \\\n CH == '\\?' || /* Question mark (avoids trigraphs) */ \\\n CH == '\\\\' || /* Backslash */ \\\n CH == '\\102' || /* Octal escape for 'B' (ASCII 66) */ \\\n CH == '\\x43') /* Hexadecimal escape for 'C' (ASCII 67) */\n",
"source" => "(buffer)",
"start_line_num" => 36,
"sub_type" => "#if",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"CH == '\\\"' || CH == '\\'' || CH == '\\\\' || CH == '\\102' || CH == '\\a' || CH == '\\b' || CH == '\\f' || CH == '\\n' || CH == '\\r' || CH == '\\t' || CH == '\\v' || CH == '\\x43' || CH == '\\?'"
]
],
"flat" => "#define MATCH 1",
"level" => 1,
"line" => "# define MATCH 1\n",
"n_lines" => 1,
"raw" => " #define MATCH 1\n",
"source" => "(buffer)",
"start_line_num" => 49,
"sub_type" => "#define",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"!( CH == '\\\"' || CH == '\\'' || CH == '\\\\' || CH == '\\102' || CH == '\\a' || CH == '\\b' || CH == '\\f' || CH == '\\n' || CH == '\\r' || CH == '\\t' || CH == '\\v' || CH == '\\x43' || CH == '\\?' )"
]
],
"flat" => "#else",
"level" => 0,
"line" => "#else\n",
"n_lines" => 1,
"raw" => "#else\n",
"source" => "(buffer)",
"start_line_num" => 50,
"sub_type" => "#else",
"type" => "cond"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"!( CH == '\\\"' || CH == '\\'' || CH == '\\\\' || CH == '\\102' || CH == '\\a' || CH == '\\b' || CH == '\\f' || CH == '\\n' || CH == '\\r' || CH == '\\t' || CH == '\\v' || CH == '\\x43' || CH == '\\?' )"
]
],
"flat" => "#define MATCH 0",
"level" => 1,
"line" => "# define MATCH 0\n",
"n_lines" => 1,
"raw" => " #define MATCH 0\n",
"source" => "(buffer)",
"start_line_num" => 51,
"sub_type" => "#define",
"type" => "content"
}, 'HeaderLine' ),
bless( {
"cond" => [
[
"!( CH == '\\\"' || CH == '\\'' || CH == '\\\\' || CH == '\\102' || CH == '\\a' || CH == '\\b' || CH == '\\f' || CH == '\\n' || CH == '\\r' || CH == '\\t' || CH == '\\v' || CH == '\\x43' || CH == '\\?' )"
]
],
"flat" => "#endif",
"inner_lines" => 2,
"level" => 0,
"line" => "#endif\n",
"n_lines" => 1,
"raw" => "#endif\n",
"source" => "(buffer)",
"start_line_num" => 52,
"sub_type" => "#endif",
"type" => "cond"
}, 'HeaderLine' )
];
EOF_DUMP
is($normal,<<~'EOF_NORMAL',"Normalized text as expected") || show_text($normal,1);
#if defined(A)
# if defined(B)
# define AB
content 1
# endif
content 2
# define A
#endif
/*comment
line */
#define C /* this is
a hidden line continuation */ D
#de\
fine E\
F 42 /\
* a different kind of
hidden line continuation *\
/
#if defined(EF)
#endif
# /* null directive */
#error #undef
#error #pragma
#error #include
#error #define
#if 1
# if CH == '\\' || CH == 'AB' || CH == '\n' || CH == 'x'
# define CH_IS_IT
# endif
#endif
#if defined(foo)
foo
#endif
#if CH == '\"' || CH == '\'' || CH == '\\' || CH == '\102' || CH == '\a' || \
CH == '\b' || CH == '\f' || CH == '\n' || CH == '\r' || CH == '\t' || \
CH == '\v' || CH == '\x43' || CH == '\?'
# define MATCH 1
#else
# define MATCH 0
#endif
EOF_NORMAL
{
local $::TODO = "We currently don't handle comments in expressions properly";
ok($normal=~/Vertical tab/ ? 1 : 0,"comments in logical expressions");
}
is(join("\n",@warn),"", "No warnings generated from main parse");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $ok= eval {
HeaderParser->new(add_commented_expr_after=>0)->parse_text(<<~'EOF'); 1
#ifdef A
#ifdef B
#endif
EOF
};
my $err= !$ok ? $@ : "";
ok(!$ok, my $tname= "Should throw an error, missing #endif");
like($err,qr/Unterminated conditional block starting line 1 with last conditional operation at line 3/,
"Got expected error message");
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $ok= eval {
HeaderParser->new(add_commented_expr_after=>0)->parse_text(<<~'EOF'); 1
#ifdef A
#ifdef B
#elif C
EOF
};
my $err= !$ok ? $@ : "";
ok(!$ok, my $tname= "Should throw an error, unterminated #if");
like($err,qr/Unterminated conditional block starting line 3/,
"Unterminated block detected");
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $ok= eval {
HeaderParser->new(add_commented_expr_after=>0)->parse_text(<<~'EOF'); 1
#if 1 * * 10 > 5
#elifdef C
EOF
};
my $err= !$ok ? $@ : "";
ok(!$ok, my $tname= "Should throw an error, bad directive");
is($err,
"Error at line 1\n" .
"Line 1: #if 1 * * 10 > 5\n" .
"Error in multiplication expression: " .
"Unexpected token '*', expecting literal, unary, or expression.\n",
"Expected token error") or warn $err;
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#ifdef A
# ifdef B
# define P
# else
# define Q
# endif
# if !defined B
# define R
# else
# define S
# endif
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF',my $tname= "inverted simple clauses get merged properly") or show_text($as_text);
#if defined(A)
# if defined(B)
# define P
# define S
# else /* if !defined(B) */
# define Q
# define R
# endif /* !defined(B) */
#endif /* defined(A) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if defined(A) && defined(B)
# if (defined(C) && defined(D))
# define P
# else
# define Q
# endif
# if !(defined C && defined D)
# define R
# else
# define S
# endif
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF', my $tname= "inverted complex clauses get merged properly") or show_text($as_text);
#if defined(A) && defined(B)
# if defined(C) && defined(D)
# define P
# define S
# else /* if !( defined(C) && defined(D) ) */
# define Q
# define R
# endif /* !( defined(C) && defined(D) ) */
#endif /* defined(A) && defined(B) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if defined(A)
#define HAS_A
#elif defined(B)
#define HAS_B
#elif defined(C)
#define HAS_C
#else
#define HAS_D
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF', my $tname= "nested elif round trip") or show_text($as_text);
#if defined(A)
# define HAS_A
#elif defined(B) /* && !defined(A) */
# define HAS_B
#elif defined(C) /* && !defined(A) && !defined(B) */
# define HAS_C
#else /* if !defined(A) && !defined(B) && !defined(C) */
# define HAS_D
#endif /* !defined(A) && !defined(B) && !defined(C) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if defined(A)
#define HAS_A
#endif
#if !defined(A) && defined(B)
#define HAS_B
#endif
#if defined(C)
#if !defined(A)
#if !defined(B)
#define HAS_C
#endif
#endif
#endif
#if !defined(B) && !defined(A) && !defined(C)
#define HAS_D
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF',my $tname= "test elif composition from disparate statements") or show_text($as_text);
#if defined(A)
# define HAS_A
#elif defined(B) /* && !defined(A) */
# define HAS_B
#elif defined(C) /* && !defined(A) && !defined(B) */
# define HAS_C
#else /* if !defined(A) && !defined(B) && !defined(C) */
# define HAS_D
#endif /* !defined(A) && !defined(B) && !defined(C) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if defined(A)
#define HAS_A
#endif
#if !defined(A)
#define HAS_NOT_A
#if !defined(C)
#define HAS_A_NOT_C
#endif
#endif
#if defined(C)
#define HAS_C
#if defined(A)
#define HAS_A_C
#endif
#else
#if defined(A)
#define HAS_NOT_C_A
#endif
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF', my $tname= "test else composition") or show_text($as_text);
#if defined(A)
# define HAS_A
# if defined(C)
# define HAS_A_C
# else /* if !defined(C) */
# define HAS_NOT_C_A
# endif /* !defined(C) */
#else /* if !defined(A) */
# define HAS_NOT_A
# if !defined(C)
# define HAS_A_NOT_C
# endif /* !defined(C) */
#endif /* !defined(A) */
#if defined(C)
# define HAS_C
#endif /* defined(C) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if !defined(A)
#define NOT_A1
#else
#define A1
#endif
#if !!!!defined(A)
#define A2
#else
#define NOT_A2
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF', my $tname= "normalization into if/else") or show_text($as_text);
#if defined(A)
# define A1
# define A2
#else /* if !defined(A) */
# define NOT_A1
# define NOT_A2
#endif /* !defined(A) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if !!!(defined(A) && defined(B))
#define NOT_A_AND_B
#endif
#if defined(A)
#if defined(B)
#define A_AND_B
#endif
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF',my $tname = "normalization with complex else") or show_text($as_text);
#if defined(A) && defined(B)
# define A_AND_B
#else /* if !( defined(A) && defined(B) ) */
# define NOT_A_AND_B
#endif /* !( defined(A) && defined(B) ) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if defined(A) && !!defined(A) && !!!!defined(A)
#define HAS_A
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF', my $tname = "simplification") or show_text($as_text);
#if defined(A)
# define HAS_A
#endif /* defined(A) */
EOF
is(join("\n",@warn),"", "No warnings generated from $tname");
}
{
my @warn;
local $SIG{__WARN__}= sub { push @warn, $_[0]; warn $_[0] };
my $tname = "simplification by absorbtion";
{
local $::TODO = "Absorbtion not implemented yet";
# currently we don't handle absorbtion: (A && (A || B || C ...)) == A
my $hp= HeaderParser->new(debug=>0,add_commented_expr_after=>0);
$hp->parse_text(<<~'EOF');
#if defined(X) && (defined(X) || defined(Y))
#define HAS_X
#endif
EOF
my $grouped= $hp->group_content();
my $as_text= $hp->lines_as_str($grouped);
is($as_text,<<~'EOF', $tname); # or show_text($as_text);
#if defined(X)
# define HAS_X
#endif /* defined(X) */
EOF