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# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

use strict;
use warnings;

use Test::More tests => 88;

BEGIN { use_ok('Clownfish::CFC::Parser') }

my $parser = Clownfish::CFC::Parser->new;
isa_ok( $parser, "Clownfish::CFC::Parser" );

isa_ok( $parser->parse("parcel Fish;"),
    "Clownfish::CFC::Parcel", "parcel_definition" );
isa_ok( $parser->parse("parcel Crustacean cnick Crust;"),
    "Clownfish::CFC::Parcel", "parcel_definition with cnick" );

# Set and leave parcel.
my $parcel = $parser->parse('parcel Crustacean cnick Crust;')
    or die "failed to process parcel_definition";
is( ${ $parser->get_parcel },
    $$parcel, "parcel_definition sets internal \$parcel var" );

for (qw( foo _foo foo_yoo FOO Foo fOO f00 foo_foo_foo )) {
    my $var = $parser->parse("int32_t $_;");
    is( $var->micro_sym, $_, "identifier/declarator: $_" );
}

for (qw( void float uint32_t int64_t uint8_t bool_t )) {
    my $var = $parser->parse("int32_t $_;");
    ok( !defined($var), "reserved word not parsed as identifier: $_" );
}

isa_ok( $parser->parse("bool_t"),
    "Clownfish::CFC::Type", "Charmony integer specifier bool_t" );

is( $parser->parse("$_*")->get_specifier,
    "crust_$_", "object_type_specifier $_" )
    for qw( ByteBuf Obj ANDMatcher );

ok( $parser->parse("const char")->const, "type_qualifier const" );

ok( $parser->parse("$_ int32_t foo;")->$_, "exposure_specifier $_" )
    for qw( public private parcel );

isa_ok( $parser->parse($_), "Clownfish::CFC::Type", "type $_" )
    for ( 'const char *', 'Obj*', 'i32_t', 'char[]', 'long[1]', 'i64_t[30]' );

is( $parser->parse("(int32_t foo = $_)")->get_initial_values->[0],
    $_, "hex_constant: $_" )
    for (qw( 0x1 0x0a 0xFFFFFFFF -0xFC ));

is( $parser->parse("(int32_t foo = $_)")->get_initial_values->[0],
    $_, "integer_constant: $_" )
    for (qw( 1 -9999  0 10000 ));

is( $parser->parse("(double foo = $_)")->get_initial_values->[0],
    $_, "float_constant: $_" )
    for (qw( 1.0 -9999.999  0.1 0.0 ));

is( $parser->parse("(CharBuf *foo = $_)")->get_initial_values->[0],
    $_, "string_literal: $_" )
    for ( q|"blah"|, q|"blah blah"|, q|"\\"blah\\" \\"blah\\""| );

my @composites = ( 'int[]', "i32_t **", "Foo **", "Foo ***", "const void *" );
for my $composite (@composites) {
    my $parsed = $parser->parse($composite);
    ok( $parsed && $parsed->is_composite, "composite_type: $composite" );
}

my @object_types = ( 'Obj *', "incremented Foo*", "decremented CharBuf *" );
for my $object_type (@object_types) {
    my $parsed = $parser->parse($object_type);
    ok( $parsed && $parsed->is_object, "object_type: $object_type" );
}

my %param_lists = (
    '(int foo)'                 => 1,
    '(Obj *foo, Foo **foo_ptr)' => 2,
    '()'                        => 0,
);
while ( my ( $param_list, $num_params ) = each %param_lists ) {
    my $parsed = $parser->parse($param_list);
    isa_ok( $parsed, "Clownfish::CFC::ParamList", "param_list: $param_list" );
}
ok( $parser->parse("(int foo, ...)")->variadic, "variadic param list" );
my $param_list = $parser->parse(q|(int foo = 0xFF, char *bar ="blah")|);
is_deeply(
    $param_list->get_initial_values,
    [ '0xFF', '"blah"' ],
    "initial values"
);

my %sub_args = ( class => 'Stuff::Obj', cnick => 'Obj' );

$parser->set_class_name('Stuff::Obj');
$parser->set_class_cnick('Obj');
ok( $parser->parse($_), "declaration statement: $_" )
    for (
    'public Foo* Spew_Foo(Obj *self, uint32_t *how_many);',
    'private Hash *hash;',
    );

is( $parser->parse("$_*")->get_specifier,
    "crust_$_", "object_type_specifier: $_" )
    for (qw( Foo FooJr FooIII Foo4th ));

SKIP: {
    skip( "Can't recover from bad specifier under flex/lemon parser", 6 );
    ok( !$parser->parse("$_*"), "illegal object_type_specifier: $_" )
        for (qw( foo fooBar Foo_Bar FOOBAR 1Foo 1FOO ));
}

is( $parser->parse("class $_ { }")->get_class_name, $_, "class_name: $_" )
    for (qw( Foo Foo::FooJr Foo::FooJr::FooIII Foo::FooJr::FooIII::Foo4th ));

SKIP: {
    skip( "Can't recover from bad class name under flex/lemon parser", 6 );
    ok( !$parser->parse("class $_ { }"), "illegal class_name: $_" )
        for (qw( foo fooBar Foo_Bar FOOBAR 1Foo 1FOO ));
}

is( $parser->parse(qq|class Foodie$_ cnick $_ { }|)->get_cnick,
    $_, "cnick: $_" )
    for (qw( Foo FF ));

SKIP: {
    skip( "Can't recover from bad cnick under flex/lemon parser", 3 );
    is( !$parser->parse(qq|class Foodie$_ cnick $_ { }|),
        "Illegal cnick: $_" )
        for (qw( foo fOO 1Foo ));
}