test/YACC/live.py

   1 #!/usr/bin/env python
   2 #
   3 # MIT License
   4 #
   5 # Copyright The SCons Foundation
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining
   8 # a copy of this software and associated documentation files (the
   9 # "Software"), to deal in the Software without restriction, including
  10 # without limitation the rights to use, copy, modify, merge, publish,
  11 # distribute, sublicense, and/or sell copies of the Software, and to
  12 # permit persons to whom the Software is furnished to do so, subject to
  13 # the following conditions:
  14 #
  15 # The above copyright notice and this permission notice shall be included
  16 # in all copies or substantial portions of the Software.
  17 #
  18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  19 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  20 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 """
  27 Test YACC and YACCFLAGS with a live yacc compiler.
  28 """
  29
  30 import TestSCons
  31
  32 _exe = TestSCons._exe
  33 _python_ = TestSCons._python_
  34
  35 test = TestSCons.TestSCons()
  36
  37 yacc = test.where_is('yacc') or test.where_is('bison') or test.where_is('win_bison')
  38
  39 if not yacc:
  40     test.skip_test('No yacc or bison found; skipping test.\n')
  41
  42 test.file_fixture('wrapper.py')
  43
  44 test.write('SConstruct', """
  45 DefaultEnvironment(tools=[])
  46 foo = Environment(YACCFLAGS='-d', tools=['default', 'yacc'])
  47 yacc = foo.Dictionary('YACC')
  48 bar = Environment(YACC=r'%(_python_)s wrapper.py ' + yacc, tools=['default', 'yacc'])
  49 foo.Program(target='foo', source='foo.y')
  50 bar.Program(target='bar', source='bar.y')
  51 foo.Program(target='hello', source=['hello.cpp'])
  52 foo.CXXFile(target='file.cpp', source=['file.yy'], YACCFLAGS='-d')
  53 foo.CFile(target='not_foo', source='foo.y')
  54 """ % locals())
  55
  56 yacc = r"""
  57 %%{
  58 #include <stdio.h>
  59 extern int yyparse();
  60 int yyerror(char *s);
  61 int yylex();
  62
  63 int main(void)
  64 {
  65     return yyparse();
  66 }
  67
  68 int yyerror(s)
  69 char *s;
  70 {
  71     fprintf(stderr, "%%s\n", s);
  72     return 0;
  73 }
  74
  75 int yylex()
  76 {
  77     int c;
  78
  79     c = fgetc(stdin);
  80     return (c == EOF) ? 0 : c;
  81 }
  82 %%}
  83 %%%%
  84 input:  letter newline { printf("%s\n"); };
  85 letter:  'a' | 'b';
  86 newline: '\n';
  87 """
  88
  89 test.write("file.yy", """\
  90 %token   GRAPH_T NODE_T EDGE_T DIGRAPH_T EDGEOP_T SUBGRAPH_T
  91
  92 %%
  93 graph:        GRAPH_T
  94               ;
  95
  96 %%
  97 """)
  98
  99 # Apparently, OS X now creates file.hpp like everybody else
 100 # I have no idea when it changed; it was fixed in 10.4
 101 #import sys
 102 #if sys.platform[:6] == 'darwin':
 103 #   file_hpp = 'file.cpp.h'
 104 #else:
 105 #   file_hpp = 'file.hpp'
 106 file_hpp = 'file.hpp'
 107
 108 test.write("hello.cpp", """\
 109 #include "%(file_hpp)s"
 110
 111 int main(void)
 112 {
 113 }
 114 """ % locals())
 115
 116 test.write('foo.y', yacc % 'foo.y')
 117
 118 test.write('bar.y', yacc % 'bar.y')
 119
 120
 121
 122 test.run(arguments = 'foo' + _exe, stderr = None)
 123
 124 test.up_to_date(arguments = 'foo' + _exe)
 125
 126 test.must_not_exist(test.workpath('wrapper.out'))
 127
 128 test.run(program = test.workpath('foo'), stdin = "a\n", stdout = "foo.y\n")
 129
 130 test.must_exist(test.workpath('foo.h'))
 131
 132 test.run(arguments = '-c .')
 133
 134 test.must_not_exist(test.workpath('foo.h'))
 135
 136
 137
 138 test.run(arguments = 'not_foo.c')
 139
 140 test.up_to_date(arguments = 'not_foo.c')
 141
 142 test.must_not_exist(test.workpath('foo.h'))
 143 test.must_exist(test.workpath('not_foo.h'))
 144
 145 test.run(arguments = '-c .')
 146
 147 test.must_not_exist(test.workpath('not_foo.h'))
 148
 149
 150
 151 test.run(arguments = 'bar' + _exe)
 152
 153 test.up_to_date(arguments = 'bar' + _exe)
 154
 155 test.must_match(test.workpath('wrapper.out'), "wrapper.py\n")
 156
 157 test.run(program = test.workpath('bar'), stdin = "b\n", stdout = "bar.y\n")
 158
 159
 160
 161 test.run(arguments = '.')
 162
 163 test.up_to_date(arguments = '.')
 164
 165
 166
 167 test.pass_test()
 168
 169 # Local Variables:
 170 # tab-width:4
 171 # indent-tabs-mode:nil
 172 # End:
 173 # vim: set expandtab tabstop=4 shiftwidth=4: