1 files changed, 85 insertions, 0 deletions
diff --git a/src/examples/antlr_grammar_tests.py b/src/examples/antlr_grammar_tests.py
new file mode 100644
index 0000000..31aab29
--- /dev/null
+++ b/src/examples/antlr_grammar_tests.py
@@ -0,0 +1,85 @@
+'''
+Created on 4 sept. 2010
+
+@author: luca
+'''
+import unittest
+import antlr_grammar
+
+class Test(unittest.TestCase):
+
+
+    def testOptionsSpec(self):
+        text = """options {
+                            language = Python;
+                        }"""
+        antlr_grammar.optionsSpec.parseString(text) #@UndefinedVariable
+
+    def testTokensSpec(self):
+        text = """tokens {
+                            PLUS     = '+' ;
+                            MINUS    = '-' ;
+                            MULT    = '*' ;
+                            DIV    = '/' ;
+                        }"""
+        antlr_grammar.tokensSpec.parseString(text) #@UndefinedVariable
+
+    def testBlock(self):
+        text = """( PLUS | MINUS )"""
+        antlr_grammar.block.parseString(text) #@UndefinedVariable
+
+    def testRule(self):
+        text = """expr    : term ( ( PLUS | MINUS )  term )* ;"""
+        antlr_grammar.rule.parseString(text) #@UndefinedVariable
+
+    def testLexerRule(self):
+        text = """fragment DIGIT    : '0'..'9' ;"""
+        antlr_grammar.rule.parseString(text) #@UndefinedVariable
+
+    def testLexerRule2(self):
+        text = """WHITESPACE : ( '\t' | ' ' | '\r' | '\n'| '\u000C' )+     { $channel = HIDDEN; } ;"""
+        #antlr_grammar.rule.parseString(text) #@UndefinedVariable
+
+    def testGrammar(self):
+        text = """grammar SimpleCalc;
+
+options {
+    language = Python;
+}
+
+tokens {
+    PLUS     = '+' ;
+    MINUS    = '-' ;
+    MULT    = '*' ;
+    DIV    = '/' ;
+}
+
+/*------------------------------------------------------------------
+ * PARSER RULES
+ *------------------------------------------------------------------*/
+
+expr    : term ( ( PLUS | MINUS )  term )* ;
+
+term    : factor ( ( MULT | DIV ) factor )* ;
+
+factor    : NUMBER ;
+
+
+/*------------------------------------------------------------------
+ * LEXER RULES
+ *------------------------------------------------------------------*/
+
+NUMBER    : (DIGIT)+ ;
+
+/* WHITESPACE : ( '\t' | ' ' | '\r' | '\n'| '\u000C' )+     { $channel = HIDDEN; } ; */
+
+fragment DIGIT    : '0'..'9' ;"""
+        antlrGrammarTree = antlr_grammar.grammarDef.parseString(text) #@UndefinedVariable
+        pyparsingRules = antlr_grammar.antlrConverter(antlrGrammarTree)
+        pyparsingRule = pyparsingRules["expr"]
+        pyparsingTree = pyparsingRule.parseString("2 - 5 * 42 + 7 / 25")
+        self.assertNotEqual(None, pyparsingTree)
+
+if __name__ == "__main__":
+    #import sys;sys.argv = ['', 'Test.testOptionsSpec']
+    unittest.main()
+\ No newline at end of file