Revision: 17677
Author: [email protected]
Date: Wed Nov 13 08:33:29 2013 UTC
Log: Experimental lexer generator: add a test for the code generator.
BUG=
[email protected]
Review URL: https://codereview.chromium.org/71273003
http://code.google.com/p/v8/source/detail?r=17677
Added:
/branches/experimental/parser/tools/lexer_generator/code_generator_test.py
Modified:
/branches/experimental/parser/tools/lexer_generator/code_generator.py
/branches/experimental/parser/tools/lexer_generator/test_suite.py
=======================================
--- /dev/null
+++
/branches/experimental/parser/tools/lexer_generator/code_generator_test.py
Wed Nov 13 08:33:29 2013 UTC
@@ -0,0 +1,44 @@
+# Copyright 2013 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided
+# with the distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import unittest
+from code_generator import CodeGenerator
+from rule_parser import RuleProcessor
+
+class CodeGeneratorTestCase(unittest.TestCase):
+
+ def test_simple(self):
+ rules = '''
+ <default>
+ "(" { LBRACE }
+ ")" { RBRACE }
+
+ "foo" { FOO }
+ eof <<terminate>>'''
+ rule_processor = RuleProcessor.parse(rules)
+ (nfa, dfa) = rule_processor.default_automata()
+ CodeGenerator.dfa_to_code(dfa)
=======================================
--- /branches/experimental/parser/tools/lexer_generator/code_generator.py
Tue Nov 12 19:12:00 2013 UTC
+++ /branches/experimental/parser/tools/lexer_generator/code_generator.py
Wed Nov 13 08:33:29 2013 UTC
@@ -63,10 +63,10 @@
action = state.action()
if action:
- if action[1] == 'terminate':
+ if action.type() == 'terminate':
code += 'return 0;'
return code
- elif action[1] == 'terminate_illegal':
+ elif action.type() == 'terminate_illegal':
code += 'return 1;'
return code
@@ -82,7 +82,7 @@
''' % s.node_number()
if action:
- code += '%s\nyych = *(--cursor_);\ngoto code_%s;\n' %
(state.action()[1],
+ code += '%s\nyych = *(--cursor_);\ngoto code_%s;\n' % (action.data(),
start_node_number)
return code
=======================================
--- /branches/experimental/parser/tools/lexer_generator/test_suite.py Thu
Nov 7 15:42:57 2013 UTC
+++ /branches/experimental/parser/tools/lexer_generator/test_suite.py Wed
Nov 13 08:33:29 2013 UTC
@@ -29,6 +29,7 @@
from action_test import *
from automata_test import *
+from code_generator_test import *
from lexer_test import *
from rule_parser_test import *
from transition_key_test import *
@@ -41,6 +42,7 @@
loader.loadTestsFromTestCase(RuleParserTestCase),
loader.loadTestsFromTestCase(ActionTestCase),
loader.loadTestsFromTestCase(LexerTestCase),
+ loader.loadTestsFromTestCase(CodeGeneratorTestCase),
))
runner = TextTestRunner(verbosity = 2)
runner.run(suite)
--
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