1#!/usr/local/bin/python3.8
2
3# Copyright 2008, 2012 Jurko Gospodnetic
4# Distributed under the Boost Software License, Version 1.0.
5# (See accompanying file LICENSE_1_0.txt or copy at
6# http://www.boost.org/LICENSE_1_0.txt)
7
8# Tests that generators get selected correctly.
9#
10# We do not use the internal C++-compiler CPP --> OBJ generator to avoid
11# problems with specific compilers or their configurations, e.g. IBM's AIX test
12# runner 'AIX Version 5.3 TL7 SP5 (5300-07-05-0831)' using the 'IBM XL C/C++
13# for AIX, V12.1 (Version: 12.01.0000.0000)' reporting errors when run with a
14# source file whose suffix is not '.cpp'.
15
16import BoostBuild
17
18
19###############################################################################
20#
21# test_generator_added_after_already_building_a_target_of_its_target_type()
22# -------------------------------------------------------------------------
23#
24###############################################################################
25
26def test_generator_added_after_already_building_a_target_of_its_target_type():
27    """
28      Regression test for a Boost Build bug causing it to not use a generator
29    if it got added after already building a target of its target type.
30
31    """
32    t = BoostBuild.Tester()
33
34    t.write("dummy.cpp", "void f() {}\n")
35
36    t.write("jamroot.jam", """\
37import common ;
38import generators ;
39import type ;
40type.register MY_OBJ : my_obj ;
41generators.register-standard common.copy : CPP : MY_OBJ ;
42
43# Building this dummy target must not cause a later defined CPP target type
44# generator not to be recognized as viable.
45my-obj dummy : dummy.cpp ;
46alias the-other-obj : Other//other-obj ;
47""")
48
49    t.write("Other/source.extension", "A dummy source file.")
50
51    t.write("Other/mygen.jam", """\
52import common ;
53import generators ;
54import type ;
55type.register MY_TYPE : extension ;
56generators.register-standard $(__name__).generate-a-cpp-file : MY_TYPE : CPP ;
57rule generate-a-cpp-file { ECHO Generating a CPP file... ; }
58CREATE-FILE = [ common.file-creation-command ] ;
59actions generate-a-cpp-file { $(CREATE-FILE) "$(<)" }
60""")
61
62    t.write("Other/mygen.py", """\
63from __future__ import print_function
64import b2.build.generators as generators
65import b2.build.type as type
66
67from b2.manager import get_manager
68
69import os
70
71type.register('MY_TYPE', ['extension'])
72generators.register_standard('mygen.generate-a-cpp-file', ['MY_TYPE'], ['CPP'])
73if os.name == 'nt':
74    action = 'echo void g() {} > "$(<)"'
75else:
76    action = 'echo "void g() {}" > "$(<)"'
77def f(*args):
78    print("Generating a CPP file...")
79
80get_manager().engine().register_action("mygen.generate-a-cpp-file", action,
81    function=f)
82""")
83
84    t.write("Other/jamfile.jam", """\
85import mygen ;
86my-obj other-obj : source.extension ;
87""")
88
89    t.run_build_system()
90    t.expect_output_lines("Generating a CPP file...")
91    t.expect_addition("bin/dummy.my_obj")
92    t.expect_addition("Other/bin/other-obj.cpp")
93    t.expect_addition("Other/bin/other-obj.my_obj")
94    t.expect_nothing_more()
95
96    t.cleanup()
97
98
99###############################################################################
100#
101# test_using_a_derived_source_type_created_after_generator_already_used()
102# -----------------------------------------------------------------------
103#
104###############################################################################
105
106def test_using_a_derived_source_type_created_after_generator_already_used():
107    """
108      Regression test for a Boost Build bug causing it to not use a generator
109    with a source type derived from one of the generator's sources but created
110    only after already using the generateor.
111
112    """
113    t = BoostBuild.Tester()
114
115    t.write("dummy.xxx", "Hello. My name is Peter Pan.\n")
116
117    t.write("jamroot.jam", """\
118import common ;
119import generators ;
120import type ;
121type.register XXX : xxx ;
122type.register YYY : yyy ;
123generators.register-standard common.copy : XXX : YYY ;
124
125# Building this dummy target must not cause a later defined XXX2 target type not
126# to be recognized as a viable source type for building YYY targets.
127yyy dummy : dummy.xxx ;
128alias the-test-output : Other//other ;
129""")
130
131    t.write("Other/source.xxx2", "Hello. My name is Tinkerbell.\n")
132
133    t.write("Other/jamfile.jam", """\
134import type ;
135type.register XXX2 : xxx2 : XXX ;
136# We are careful not to do anything between defining our new XXX2 target type
137# and using the XXX --> YYY generator that could potentially cover the Boost
138# Build bug by clearing its internal viable source target type state.
139yyy other : source.xxx2 ;
140""")
141
142    t.run_build_system()
143    t.expect_addition("bin/dummy.yyy")
144    t.expect_addition("Other/bin/other.yyy")
145    t.expect_nothing_more()
146
147    t.cleanup()
148
149
150###############################################################################
151#
152# main()
153# ------
154#
155###############################################################################
156
157test_generator_added_after_already_building_a_target_of_its_target_type()
158test_using_a_derived_source_type_created_after_generator_already_used()
159