public void TestMessageStringificationIsConsistent()
{
string action = "$other.tree = null;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar a;\n" +
"options { output = AST;}" +
"otherrule\n" +
" : 'y' ;" +
"rule\n" +
" : other=otherrule {" + action + "}\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator,
"rule",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string rawTranslation =
translator.Translate();
int expectedMsgID = ErrorManager.MSG_WRITE_TO_READONLY_ATTR;
object expectedArg = "other";
object expectedArg2 = "tree";
GrammarSemanticsMessage expectedMessage =
new GrammarSemanticsMessage( expectedMsgID, g, null, expectedArg, expectedArg2 );
string expectedMessageString = expectedMessage.ToString();
Assert.AreEqual( expectedMessageString, expectedMessage.ToString() );
}
public void TestMessageStringificationIsConsistent() /*throws Exception*/
{
string action = "$other.tree = null;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener(equeue);
Grammar g = new Grammar(
"grammar a;\n" +
"options { output = AST;}" +
"otherrule\n" +
" : 'y' ;" +
"rule\n" +
" : other=otherrule {" + action + "}\n" +
" ;");
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator(generator,
"rule",
new CommonToken(ANTLRParser.ACTION, action), 1);
string rawTranslation =
translator.Translate();
int expectedMsgID = ErrorManager.MSG_WRITE_TO_READONLY_ATTR;
object expectedArg = "other";
object expectedArg2 = "tree";
GrammarSemanticsMessage expectedMessage =
new GrammarSemanticsMessage(expectedMsgID, g, null, expectedArg, expectedArg2);
string expectedMessageString = expectedMessage.ToString();
Assert.AreEqual(expectedMessageString, expectedMessage.ToString());
}
public void TestTemplateConstructor() /*throws Exception*/
{
string action = "x = %foo(name={$ID.text});";
string expecting = "x = templateLib.getInstanceOf(\"foo\"," +
LINE_SEP + " new STAttrMap().put(\"name\", (ID1!=null?ID1.getText():null)));";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener(equeue);
Grammar g = new Grammar(
"grammar t;\n" +
"options {\n" +
" output=template;\n" +
"}\n" +
"\n" +
"a : ID {" + action + "}\n" +
" ;\n" +
"\n" +
"ID : 'a';\n");
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator(generator,
"a",
new CommonToken(ANTLRParser.ACTION, action), 1);
string rawTranslation =
translator.Translate();
StringTemplateGroup templates =
new StringTemplateGroup(".", typeof(AngleBracketTemplateLexer));
StringTemplate actionST = new StringTemplate(templates, rawTranslation);
string found = actionST.ToString();
assertNoErrors(equeue);
assertEquals(expecting, found);
}
public void TestSetAttr() /*throws Exception*/
{
string action = "%x.y = z;";
string expecting = "(x).setAttribute(\"y\", z);";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener(equeue);
Grammar g = new Grammar(
"grammar t;\n" +
"options {\n" +
" output=template;\n" +
"}\n" +
"\n" +
"a : ID {" + action + "}\n" +
" ;\n" +
"\n" +
"ID : 'a';\n");
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator(generator,
"a",
new CommonToken(ANTLRParser.ACTION, action), 1);
string rawTranslation =
translator.Translate();
StringTemplateGroup templates =
new StringTemplateGroup(".", typeof(AngleBracketTemplateLexer));
StringTemplate actionST = new StringTemplate(templates, rawTranslation);
string found = actionST.ToString();
assertNoErrors(equeue);
assertEquals(expecting, found);
}
public void TestTemplateConstructorNoArgs() /*throws Exception*/
{
string action = "x = %foo();";
string expecting = "x = templateLib.getInstanceOf(\"foo\");";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener(equeue);
Grammar g = new Grammar(
"grammar t;\n" +
"options {\n" +
" output=template;\n" +
"}\n" +
"\n" +
"a : ID {" + action + "}\n" +
" ;\n" +
"\n" +
"ID : 'a';\n");
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator(generator,
"a",
new CommonToken(ANTLRParser.ACTION, action), 1);
string rawTranslation =
translator.Translate();
StringTemplateGroup templates =
new StringTemplateGroup();
StringTemplate actionST = new StringTemplate(templates, rawTranslation);
string found = actionST.Render();
assertNoErrors(equeue);
Assert.AreEqual(expecting, found);
}
public void TestSetAttrOfExpr() /*throws Exception*/
{
string action = "%{foo($ID.text).getST()}.y = z;";
string expecting = "(foo((ID1!=null?ID1.getText():null)).getST()).setAttribute(\"y\", z);";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener(equeue);
Grammar g = new Grammar(
"grammar t;\n" +
"options {\n" +
" output=template;\n" +
"}\n" +
"\n" +
"a : ID {" + action + "}\n" +
" ;\n" +
"\n" +
"ID : 'a';\n");
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator(generator,
"a",
new CommonToken(ANTLRParser.ACTION, action), 1);
string rawTranslation =
translator.Translate();
StringTemplateGroup templates =
new StringTemplateGroup();
StringTemplate actionST = new StringTemplate(templates, rawTranslation);
string found = actionST.Render();
assertNoErrors(equeue);
Assert.AreEqual(expecting, found);
}
public void TestReuseExistingListLabelWithImplicitTokenLabel()
{
string action = "$ID.text;";
string expecting = "(x!=null?x.getText():null);";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"a : x+=ID {" + action + "} ;" +
"ID : 'a';\n" );
AntlrTool antlr = newTool();
antlr.SetOutputDirectory( null ); // write to /dev/null
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer();
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestArguments()
{
string action = "$i; $i.x; $u; $u.x";
string expecting = "i; i.x; u; u.x";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"parser grammar t;\n" +
"a[User u, int i]\n" +
" : {" + action + "}\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestEscapedLessThanInAction()
{
Grammar g = new Grammar();
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
string action = "i<3; '<xmltag>'";
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 0 );
string expecting = action;
string rawTranslation =
translator.Translate();
StringTemplateGroup templates =
new StringTemplateGroup();
StringTemplate actionST = new StringTemplate( templates, "<action>" );
actionST.SetAttribute( "action", rawTranslation );
string found = actionST.Render();
Assert.AreEqual( expecting, found );
}
public void TestFullyQualifiedRefToCurrentRuleParameter()
{
string action = "$a.i;";
string expecting = "i;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"a[int i]: {" + action + "}\n" +
" ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void Test0IndexedGlobalScope()
{
string action = "$Symbols[0]::names.add($id.text);";
string expecting =
"((Symbols_scope)Symbols_stack.elementAt(0)).names.add((id!=null?id.getText():null));";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"scope Symbols {\n" +
" int n;\n" +
" List names;\n" +
"}\n" +
"a scope Symbols; : (id=ID ';' {" + action + "} )+\n" +
" ;\n" +
"ID : 'a';\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestDynamicRuleScopeRefInSubrule()
{
string action = "$a::n;";
string expecting = "((a_scope)a_stack.peek()).n;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"a\n" +
"scope {\n" +
" float n;\n" +
"} : b ;\n" +
"b : {" + action + "}\n" +
" ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "b",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestSimplePlusEqualLabel()
{
string action = "$ids.size();"; // must be qualified
string expecting = "list_ids.size();";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"parser grammar t;\n" +
"a : ids+=ID ( COMMA ids+=ID {" + action + "})* ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator( generator,
"a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestComplicatedSingleArgParsing()
{
string action = "(*a).foo(21,33,\",\")";
string expecting = "(*a).foo(21,33,\",\")";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
// now check in actual grammar.
Grammar g = new Grammar(
"parser grammar t;\n" +
"a[User u, int i]\n" +
" : A a[" + action + "] B\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string rawTranslation = translator.Translate();
Assert.AreEqual( expecting, rawTranslation );
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestSettingLexerRulePropertyRefs()
{
string action = "$text $type=1 $line=1 $pos=1 $channel=1 $index";
string expecting = "getText() _type=1 state.tokenStartLine=1 state.tokenStartCharPositionInLine=1 _channel=1 -1";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"lexer grammar t;\n" +
"R : 'r' {" + action + "};\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator( generator,
"R",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestSharedGlobalScope()
{
string action = "$Symbols::x;";
string expecting = "((Symbols_scope)Symbols_stack.peek()).x;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"scope Symbols {\n" +
" String x;\n" +
"}\n" +
"a\n" +
"scope { int y; }\n" +
"scope Symbols;\n" +
" : b {" + action + "}\n" +
" ;\n" +
"b : ID {$Symbols::x=$ID.text} ;\n" +
"ID : 'a';\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestScopeAndAttributeWithUnderscore()
{
string action = "$foo_bar::a_b;";
string expecting = "((foo_bar_scope)foo_bar_stack.peek()).a_b;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"scope foo_bar {\n" +
" int a_b;\n" +
"}\n" +
"a scope foo_bar; : (ID {" + action + "} )+\n" +
" ;\n" +
"ID : 'a';\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual( expecting, found );
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestRuleScopeOutsideRule()
{
string action = "public void foo() {$a::name;}";
string expecting = "public void foo() {((a_scope)a_stack.peek()).name;}";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"@members {" + action + "}\n" +
"a\n" +
"scope { String name; }\n" +
" : {foo();}\n" +
" ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator,
null,
new CommonToken( ANTLRParser.ACTION, action ), 0 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestRuleRefWithDynamicScope()
{
string action = "$field::x = $field.st;";
string expecting = "((field_scope)field_stack.peek()).x = retval.st;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar a;\n" +
"field\n" +
"scope { StringTemplate x; }\n" +
" : 'y' {" + action + "}\n" +
" ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator,
"field",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestAssignToOwnRulenameAttr()
{
string action = "$rule.tree = null;";
string expecting = "retval.tree = null;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar a;\n" +
"rule\n" +
" : 'y' {" + action + "}\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator,
"rule",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestStringArgParsing()
{
string action = "34, '{', \"it's<\", '\"', \"\\\"\", 19";
string expecting = "34, '{', \"it's<\", '\"', \"\\\"\", 19";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
// now check in actual grammar.
Grammar g = new Grammar(
"parser grammar t;\n" +
"a[User u, int i]\n" +
" : A a[" + action + "] B\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string rawTranslation = translator.Translate();
Assert.AreEqual( expecting, rawTranslation );
//IList<String> expectArgs = new List<String>() {
// {add("34");}
// {add("'{'");}
// {add("\"it's<\"");}
// {add("'\"'");}
// {add("\"\\\"\"");} // that's "\""
// {add("19");}
//};
IList<string> expectArgs = new List<string>( new string[]
{
"34",
"'{'",
"\"it's<\"",
"'\"'",
"\"\\\"\"", // that's "\""
"19"
} );
List<string> actualArgs = CodeGenerator.GetListOfArgumentsFromAction( action, ',' );
//Assert.AreEqual( "args mismatch", expectArgs, actualArgs );
Assert.IsTrue(expectArgs.SequenceEqual(actualArgs), "args mismatch");
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestComplicatedArgParsingWithTranslation()
{
string action = "x, $A.text+\"3242\", (*$A).foo(21,33), 3.2+1, '\\n', " +
"\"a,oo\\nick\", {bl, \"fdkj\"eck}";
string expecting = "x, (A1!=null?A1.getText():null)+\"3242\", (*A1).foo(21,33), 3.2+1, '\\n', \"a,oo\\nick\", {bl, \"fdkj\"eck}";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
// now check in actual grammar.
Grammar g = new Grammar(
"parser grammar t;\n" +
"a[User u, int i]\n" +
" : A a[" + action + "] B\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestTokenLabelFromMultipleAlts()
{
string action = "$ID.text;"; // must be qualified
string action2 = "$INT.text;"; // must be qualified
string expecting = "(ID1!=null?ID1.getText():null);";
string expecting2 = "(INT2!=null?INT2.getText():null);";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"a : ID {" + action + "}\n" +
" | INT {" + action2 + "}\n" +
" ;\n" +
"ID : 'a';\n" +
"INT : '0';\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
translator = new ActionTranslator( generator,
"a",
new CommonToken( ANTLRParser.ACTION, action2 ), 2 );
found = translator.Translate();
Assert.AreEqual( expecting2, found );
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestDoNotTranslateAttributeCompare()
{
string action = "$a.line == $b.line";
string expecting = "(a!=null?a.getLine():0) == (b!=null?b.getLine():0)";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"lexer grammar a;\n" +
"RULE:\n" +
" a=ID b=ID {" + action + "}" +
" ;\n" +
"ID : 'id';"
);
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer();
ActionTranslator translator = new ActionTranslator( generator,
"RULE",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
Assert.AreEqual( expecting, found );
}
public void TestTokenLabels()
{
string action = "$id; $f; $id.text; $id.getText(); $id.dork " +
"$id.type; $id.line; $id.pos; " +
"$id.channel; $id.index;";
string expecting = "id; f; (id!=null?id.getText():null); id.getText(); id.dork (id!=null?id.getType():0); (id!=null?id.getLine():0); (id!=null?id.getCharPositionInLine():0); (id!=null?id.getChannel():0); (id!=null?id.getTokenIndex():0);";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"parser grammar t;\n" +
"a : id=ID f=FLOAT {" + action + "}\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestDoNotTranslateScopeAttributeCompare()
{
string action = "if ($rule::foo == \"foo\" || 1) { System.out.println(\"ouch\"); }";
string expecting = "if (((rule_scope)rule_stack.peek()).foo == \"foo\" || 1) { System.out.println(\"ouch\"); }";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar a;\n" +
"rule\n" +
"scope {\n" +
" String foo;" +
"} :\n" +
" twoIDs" +
" ;\n" +
"twoIDs:\n" +
" ID ID {" + action + "}\n" +
" ;\n" +
"ID : 'id';"
);
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer();
ActionTranslator translator = new ActionTranslator( generator,
"twoIDs",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string rawTranslation =
translator.Translate();
// check that we didn't use scopeSetAttributeRef int translation!
bool foundScopeSetAttributeRef = false;
for ( int i = 0; i < translator.chunks.Count; i++ )
{
object chunk = translator.chunks[i];
if ( chunk is StringTemplate )
{
if ( ( (StringTemplate)chunk ).Name.Equals( "/scopeSetAttributeRef" ) )
{
foundScopeSetAttributeRef = true;
}
}
}
Assert.IsFalse(foundScopeSetAttributeRef, "action translator used scopeSetAttributeRef template in comparison!");
StringTemplateGroup templates =
new StringTemplateGroup();
StringTemplate actionST = new StringTemplate( templates, rawTranslation );
string found = actionST.Render();
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
Assert.AreEqual( expecting, found );
}
public void TestTemplateConstructorNoArgs()
{
string action = "x = %foo();";
string expecting = "x = templateLib.getInstanceOf(\"foo\");";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"options {\n" +
" output=template;\n" +
"}\n" +
"\n" +
"a : ID {" + action + "}\n" +
" ;\n" +
"\n" +
"ID : 'a';\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator( generator,
"a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string rawTranslation =
translator.Translate();
StringTemplateGroup templates =
new StringTemplateGroup();
StringTemplate actionST = new StringTemplate( templates, rawTranslation );
string found = actionST.Render();
assertNoErrors( equeue );
Assert.AreEqual( expecting, found );
}
public void TestDynamicScopeRefOkEvenThoughRuleRefExists()
{
string action = "$b::n;";
string expecting = "((b_scope)b_stack.peek()).n;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"s : b ;\n" +
"b\n" +
"scope {\n" +
" int n;\n" +
"} : '(' b ')' {" + action + "}\n" + // refers to current invocation's n
" ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator, "b",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestReturnValueWithNumber()
{
string action = "$x.i1";
string expecting = "x";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"a returns [int i1]\n" +
" : 'a'\n" +
" ;\n" +
"b : x=a {" + action + "} ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator( generator,
"b",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestEscaped_InAction()
{
string action = "int \\$n; \"\\$in string\\$\"";
string expecting = "int $n; \"$in string$\"";
Grammar g = new Grammar(
"parser grammar t;\n" +
"@members {" + action + "}\n" +
"a[User u, int i]\n" +
" : {" + action + "}\n" +
" ;" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator( generator,
"a",
new CommonToken( ANTLRParser.ACTION, action ), 0 );
string found = translator.Translate();
Assert.AreEqual( expecting, found );
}
public void TestUnqualifiedRuleScopeAttribute()
{
string action = "$n;"; // must be qualified
string expecting = "$n;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"a\n" +
"scope {\n" +
" int n;\n" +
"} : b\n" +
" ;\n" +
"b : {'+action+'}\n" +
" ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
ActionTranslator translator =
new ActionTranslator( generator,
"b",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
int expectedMsgID = ErrorManager.MSG_UNKNOWN_SIMPLE_ATTRIBUTE;
object expectedArg = "n";
object expectedArg2 = null;
GrammarSemanticsMessage expectedMessage =
new GrammarSemanticsMessage( expectedMsgID, g, null, expectedArg, expectedArg2 );
checkError( equeue, expectedMessage );
}
public void TestSetAttrOfExpr()
{
string action = "%{foo($ID.text).getST()}.y = z;";
string expecting = "(foo((ID1!=null?ID1.getText():null)).getST()).setAttribute(\"y\", z);";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"options {\n" +
" output=template;\n" +
"}\n" +
"\n" +
"a : ID {" + action + "}\n" +
" ;\n" +
"\n" +
"ID : 'a';\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator = new ActionTranslator( generator,
"a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string rawTranslation =
translator.Translate();
StringTemplateGroup templates =
new StringTemplateGroup();
StringTemplate actionST = new StringTemplate( templates, rawTranslation );
string found = actionST.Render();
assertNoErrors( equeue );
Assert.AreEqual( expecting, found );
}
public void TestReturnWithMultipleRuleRefs()
{
string action1 = "$obj = $rule2.obj;";
string action2 = "$obj = $rule3.obj;";
string expecting1 = "obj = rule21;";
string expecting2 = "obj = rule32;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"rule1 returns [ Object obj ]\n" +
": rule2 { " + action1 + " }\n" +
"| rule3 { " + action2 + " }\n" +
";\n" +
"rule2 returns [ Object obj ]\n" +
": foo='foo' { $obj = $foo.text; }\n" +
";\n" +
"rule3 returns [ Object obj ]\n" +
": bar='bar' { $obj = $bar.text; }\n" +
";" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
int i = 0;
string action = action1;
string expecting = expecting1;
do
{
ActionTranslator translator = new ActionTranslator( generator, "rule1",
new CommonToken( ANTLRParser.ACTION, action ), i + 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
action = action2;
expecting = expecting2;
} while ( i++ < 1 );
Assert.AreEqual(0, equeue.errors.Count, "unexpected errors: " + equeue);
}
public void TestTokenRefTreeProperty()
{
string action = "$ID.tree;";
string expecting = "ID1_tree;";
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"a : ID {" + action + "} ;" +
"ID : 'a';\n" );
AntlrTool antlr = newTool();
antlr.SetOutputDirectory( null ); // write to /dev/null
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer();
ActionTranslator translator = new ActionTranslator( generator, "a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
}
public void TestUnknownGlobalDynamicAttribute()
{
string action = "$Symbols::x";
string expecting = action;
ErrorQueue equeue = new ErrorQueue();
ErrorManager.SetErrorListener( equeue );
Grammar g = new Grammar(
"grammar t;\n" +
"scope Symbols {\n" +
" int n;\n" +
"}\n" +
"a : {'+action+'}\n" +
" ;\n" );
AntlrTool antlr = newTool();
CodeGenerator generator = new CodeGenerator( antlr, g, "Java" );
g.CodeGenerator = generator;
generator.GenRecognizer(); // forces load of templates
ActionTranslator translator =
new ActionTranslator( generator,
"a",
new CommonToken( ANTLRParser.ACTION, action ), 1 );
string found = translator.Translate();
Assert.AreEqual(expecting, found);
int expectedMsgID = ErrorManager.MSG_UNKNOWN_DYNAMIC_SCOPE_ATTRIBUTE;
object expectedArg = "Symbols";
object expectedArg2 = "x";
GrammarSemanticsMessage expectedMessage =
new GrammarSemanticsMessage( expectedMsgID, g, null, expectedArg, expectedArg2 );
checkError( equeue, expectedMessage );
}