Add support for lex and yacc.

1 files changed, 102 insertions, 0 deletions

diff --git a/test/YACC.py b/test/YACC.py
new file mode 100644
index 0000000..f497c69
--- /dev/null
+++ b/test/YACC.py
@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2001 Steven Knight
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import os
+import string
+import sys
+import TestSCons
+
+python = sys.executable
+
+if sys.platform == 'win32':
+    _exe = '.exe'
+else:
+    _exe = ''
+
+test = TestSCons.TestSCons()
+
+test.write("wrapper.py",
+"""import os
+import string
+import sys
+open('%s', 'wb').write("wrapper.py\\n")
+os.system(string.join(sys.argv[1:], " "))
+""" % string.replace(test.workpath('wrapper.out'), '\\', '\\\\'))
+
+test.write('SConstruct', """
+foo = Environment()
+yacc = foo.Dictionary('YACC')
+bar = Environment(YACC = r'%s wrapper.py ' + yacc)
+foo.Program(target = 'foo', source = 'foo.y')
+bar.Program(target = 'bar', source = 'bar.y')
+""" % python)
+
+yacc = r"""
+%%{
+#include <stdio.h>
+
+main()
+{
+    yyparse();
+}
+
+yyerror(s)
+char *s;
+{
+    fprintf(stderr, "%%s\n", s);
+}
+
+yylex()
+{
+    int c;
+
+    c = fgetc(stdin);
+    return (c == EOF) ? 0 : c;
+}
+%%}
+%%%%
+input:	letter newline { printf("%s\n"); };
+letter:  'a' | 'b';
+newline: '\n';
+"""
+
+test.write('foo.y', yacc % 'foo.y')
+
+test.write('bar.y', yacc % 'bar.y')
+
+test.run(arguments = 'foo' + _exe, stderr = None)
+
+test.fail_test(os.path.exists(test.workpath('wrapper.out')))
+
+test.run(program = test.workpath('foo'), stdin = "a\n", stdout = "foo.y\n")
+
+test.run(arguments = 'bar' + _exe)
+
+test.fail_test(test.read('wrapper.out') != "wrapper.py\n")
+
+test.run(program = test.workpath('bar'), stdin = "b\n", stdout = "bar.y\n")
+
+test.pass_test()