public override object Visit(AssignmentExpression assignmentExpression, object data)
{
if (assignmentExpression.Op == AssignmentOperatorType.Add) {
methodReference = true;
CodeExpression methodInvoker = (CodeExpression)assignmentExpression.Right.AcceptVisitor(this, null);
methodReference = false;
if (assignmentExpression.Left is IdentifierExpression) {
currentMethod.Statements.Add(new CodeAttachEventStatement(new CodeEventReferenceExpression(new CodeThisReferenceExpression(), ((IdentifierExpression)assignmentExpression.Left).Identifier),
methodInvoker));
} else {
FieldReferenceOrInvocationExpression fr = (FieldReferenceOrInvocationExpression)assignmentExpression.Left;
currentMethod.Statements.Add(new CodeAttachEventStatement(new CodeEventReferenceExpression((CodeExpression)fr.TargetObject.AcceptVisitor(this, data), fr.FieldName),
methodInvoker));
}
} else {
if (assignmentExpression.Left is IdentifierExpression) {
currentMethod.Statements.Add(new CodeAssignStatement((CodeExpression)assignmentExpression.Left.AcceptVisitor(this, null), (CodeExpression)assignmentExpression.Right.AcceptVisitor(this, null)));
} else {
currentMethod.Statements.Add(new CodeAssignStatement((CodeExpression)assignmentExpression.Left.AcceptVisitor(this, null), (CodeExpression)assignmentExpression.Right.AcceptVisitor(this, null)));
}
}
return null;
}
void EmbeddedStatement(
#line 2071 "VBNET.ATG"
out Statement statement) {
#line 2073 "VBNET.ATG"
Statement embeddedStatement = null;
statement = null;
Expression expr = null;
string name = String.Empty;
ArrayList p = null;
switch (la.kind) {
case 95: {
lexer.NextToken();
#line 2079 "VBNET.ATG"
ExitType exitType = ExitType.None;
switch (la.kind) {
case 169: {
lexer.NextToken();
#line 2081 "VBNET.ATG"
exitType = ExitType.Sub;
break;
}
case 101: {
lexer.NextToken();
#line 2083 "VBNET.ATG"
exitType = ExitType.Function;
break;
}
case 148: {
lexer.NextToken();
#line 2085 "VBNET.ATG"
exitType = ExitType.Property;
break;
}
case 84: {
lexer.NextToken();
#line 2087 "VBNET.ATG"
exitType = ExitType.Do;
break;
}
case 99: {
lexer.NextToken();
#line 2089 "VBNET.ATG"
exitType = ExitType.For;
break;
}
case 176: {
lexer.NextToken();
#line 2091 "VBNET.ATG"
exitType = ExitType.Try;
break;
}
case 183: {
lexer.NextToken();
#line 2093 "VBNET.ATG"
exitType = ExitType.While;
break;
}
case 157: {
lexer.NextToken();
#line 2095 "VBNET.ATG"
exitType = ExitType.Select;
break;
}
default: SynErr(229); break;
}
#line 2097 "VBNET.ATG"
statement = new ExitStatement(exitType);
break;
}
case 176: {
TryStatement(
#line 2098 "VBNET.ATG"
out statement);
break;
}
case 173: {
lexer.NextToken();
if (StartOf(18)) {
Expr(
#line 2100 "VBNET.ATG"
out expr);
}
#line 2100 "VBNET.ATG"
statement = new ThrowStatement(expr);
break;
}
case 156: {
lexer.NextToken();
if (StartOf(18)) {
Expr(
#line 2102 "VBNET.ATG"
out expr);
}
#line 2102 "VBNET.ATG"
statement = new ReturnStatement(expr);
break;
}
case 170: {
lexer.NextToken();
Expr(
#line 2104 "VBNET.ATG"
out expr);
EndOfStmt();
Block(
#line 2104 "VBNET.ATG"
out embeddedStatement);
Expect(89);
Expect(170);
#line 2105 "VBNET.ATG"
statement = new LockStatement(expr, embeddedStatement);
break;
}
case 151: {
lexer.NextToken();
Identifier();
#line 2107 "VBNET.ATG"
name = t.val;
if (la.kind == 25) {
lexer.NextToken();
if (StartOf(17)) {
ArgumentList(
#line 2108 "VBNET.ATG"
out p);
}
Expect(26);
}
#line 2109 "VBNET.ATG"
statement = new RaiseEventStatement(name, p);
break;
}
case 184: {
WithStatement(
#line 2111 "VBNET.ATG"
out statement);
break;
}
case 43: {
lexer.NextToken();
#line 2113 "VBNET.ATG"
Expression handlerExpr = null;
Expr(
#line 2114 "VBNET.ATG"
out expr);
Expect(12);
Expr(
#line 2114 "VBNET.ATG"
out handlerExpr);
#line 2116 "VBNET.ATG"
statement = new AddHandlerStatement(expr, handlerExpr);
break;
}
case 154: {
lexer.NextToken();
#line 2119 "VBNET.ATG"
Expression handlerExpr = null;
Expr(
#line 2120 "VBNET.ATG"
out expr);
Expect(12);
Expr(
#line 2120 "VBNET.ATG"
out handlerExpr);
#line 2122 "VBNET.ATG"
statement = new RemoveHandlerStatement(expr, handlerExpr);
break;
}
case 183: {
lexer.NextToken();
Expr(
#line 2125 "VBNET.ATG"
out expr);
EndOfStmt();
Block(
#line 2126 "VBNET.ATG"
out embeddedStatement);
Expect(89);
Expect(183);
#line 2128 "VBNET.ATG"
statement = new WhileStatement(expr, embeddedStatement);
break;
}
case 84: {
lexer.NextToken();
#line 2133 "VBNET.ATG"
ConditionType conditionType = ConditionType.None;
if (la.kind == 179 || la.kind == 183) {
WhileOrUntil(
#line 2136 "VBNET.ATG"
out conditionType);
Expr(
#line 2136 "VBNET.ATG"
out expr);
EndOfStmt();
Block(
#line 2137 "VBNET.ATG"
out embeddedStatement);
Expect(119);
#line 2140 "VBNET.ATG"
statement = new DoLoopStatement(expr, embeddedStatement, conditionType, ConditionPosition.Start);
} else if (la.kind == 1 || la.kind == 13) {
EndOfStmt();
Block(
#line 2144 "VBNET.ATG"
out embeddedStatement);
Expect(119);
if (la.kind == 179 || la.kind == 183) {
WhileOrUntil(
#line 2145 "VBNET.ATG"
out conditionType);
Expr(
#line 2145 "VBNET.ATG"
out expr);
}
#line 2147 "VBNET.ATG"
statement = new DoLoopStatement(expr, embeddedStatement, conditionType, ConditionPosition.End);
} else SynErr(230);
break;
}
case 99: {
lexer.NextToken();
#line 2152 "VBNET.ATG"
Expression group = null;
LoopControlVariableExpression loopControlExpr = null;
if (la.kind == 86) {
lexer.NextToken();
LoopControlVariable(
#line 2157 "VBNET.ATG"
out loopControlExpr);
Expect(110);
Expr(
#line 2158 "VBNET.ATG"
out group);
EndOfStmt();
Block(
#line 2159 "VBNET.ATG"
out embeddedStatement);
Expect(129);
if (StartOf(18)) {
Expr(
#line 2160 "VBNET.ATG"
out expr);
}
#line 2162 "VBNET.ATG"
statement = new ForeachStatement(loopControlExpr, group, embeddedStatement, expr);
} else if (StartOf(9)) {
#line 2166 "VBNET.ATG"
Expression start = null;
Expression end = null;
Expression step = null;
Expression nextExpr = null;
ArrayList nextExpressions = null;
LoopControlVariable(
#line 2172 "VBNET.ATG"
out loopControlExpr);
Expect(11);
Expr(
#line 2173 "VBNET.ATG"
out start);
Expect(174);
Expr(
#line 2173 "VBNET.ATG"
out end);
if (la.kind == 164) {
lexer.NextToken();
Expr(
#line 2173 "VBNET.ATG"
out step);
}
EndOfStmt();
Block(
#line 2174 "VBNET.ATG"
out embeddedStatement);
Expect(129);
if (StartOf(18)) {
Expr(
#line 2177 "VBNET.ATG"
out nextExpr);
#line 2177 "VBNET.ATG"
nextExpressions = new ArrayList(); nextExpressions.Add(nextExpr);
while (la.kind == 12) {
lexer.NextToken();
Expr(
#line 2178 "VBNET.ATG"
out nextExpr);
#line 2178 "VBNET.ATG"
nextExpressions.Add(nextExpr);
}
}
#line 2181 "VBNET.ATG"
statement = new ForStatement(loopControlExpr, start, end, step, embeddedStatement, nextExpressions);
} else SynErr(231);
break;
}
case 93: {
lexer.NextToken();
Expr(
#line 2185 "VBNET.ATG"
out expr);
#line 2185 "VBNET.ATG"
statement = new ErrorStatement(expr);
break;
}
case 153: {
lexer.NextToken();
#line 2187 "VBNET.ATG"
Expression clause = null;
if (la.kind == 146) {
lexer.NextToken();
}
Expr(
#line 2188 "VBNET.ATG"
out clause);
#line 2190 "VBNET.ATG"
ArrayList clauses = new ArrayList();
clauses.Add(clause);
/*ReDimStatement reDimStatement = new ReDimStatement(clauses);*/
while (la.kind == 12) {
lexer.NextToken();
Expr(
#line 2194 "VBNET.ATG"
out clause);
#line 2194 "VBNET.ATG"
clauses.Add(clause);
}
break;
}
case 92: {
lexer.NextToken();
Expr(
#line 2197 "VBNET.ATG"
out expr);
#line 2199 "VBNET.ATG"
ArrayList arrays = new ArrayList();
arrays.Add(expr);
EraseStatement eraseStatement = new EraseStatement(arrays);
while (la.kind == 12) {
lexer.NextToken();
Expr(
#line 2204 "VBNET.ATG"
out expr);
#line 2204 "VBNET.ATG"
arrays.Add(expr);
}
#line 2205 "VBNET.ATG"
statement = eraseStatement;
break;
}
case 165: {
lexer.NextToken();
#line 2207 "VBNET.ATG"
statement = new StopStatement();
break;
}
case 107: {
lexer.NextToken();
Expr(
#line 2209 "VBNET.ATG"
out expr);
if (la.kind == 172) {
lexer.NextToken();
}
if (
#line 2211 "VBNET.ATG"
IsEndStmtAhead()) {
Expect(89);
#line 2211 "VBNET.ATG"
statement = new IfStatement(expr, new EndStatement());
} else if (la.kind == 1 || la.kind == 13) {
EndOfStmt();
Block(
#line 2214 "VBNET.ATG"
out embeddedStatement);
#line 2216 "VBNET.ATG"
ArrayList elseIfSections = new ArrayList();
IfStatement ifStatement = new IfStatement(expr, embeddedStatement);
while (la.kind == 88 ||
#line 2221 "VBNET.ATG"
IsElseIf()) {
if (
#line 2221 "VBNET.ATG"
IsElseIf()) {
Expect(87);
Expect(107);
} else {
lexer.NextToken();
}
#line 2224 "VBNET.ATG"
Expression condition = null; Statement block = null;
Expr(
#line 2225 "VBNET.ATG"
out condition);
if (la.kind == 172) {
lexer.NextToken();
}
EndOfStmt();
Block(
#line 2226 "VBNET.ATG"
out block);
#line 2228 "VBNET.ATG"
ElseIfSection elseIfSection = new ElseIfSection(condition, block);
elseIfSections.Add(elseIfSection);
}
if (la.kind == 87) {
lexer.NextToken();
EndOfStmt();
Block(
#line 2234 "VBNET.ATG"
out embeddedStatement);
#line 2236 "VBNET.ATG"
ifStatement.EmbeddedElseStatement = embeddedStatement;
}
Expect(89);
Expect(107);
#line 2240 "VBNET.ATG"
ifStatement.ElseIfStatements = elseIfSections;
statement = ifStatement;
} else if (StartOf(27)) {
EmbeddedStatement(
#line 2244 "VBNET.ATG"
out embeddedStatement);
#line 2246 "VBNET.ATG"
SimpleIfStatement ifStatement = new SimpleIfStatement(expr);
ArrayList statements = new ArrayList();
statements.Add(embeddedStatement);
ifStatement.Statements = statements;
while (la.kind == 13) {
lexer.NextToken();
EmbeddedStatement(
#line 2251 "VBNET.ATG"
out embeddedStatement);
#line 2251 "VBNET.ATG"
statements.Add(embeddedStatement);
}
if (la.kind == 87) {
lexer.NextToken();
if (StartOf(27)) {
EmbeddedStatement(
#line 2253 "VBNET.ATG"
out embeddedStatement);
}
#line 2255 "VBNET.ATG"
ArrayList elseStatements = new ArrayList();
elseStatements.Add(embeddedStatement);
ifStatement.ElseStatements = elseStatements;
while (la.kind == 13) {
lexer.NextToken();
EmbeddedStatement(
#line 2260 "VBNET.ATG"
out embeddedStatement);
#line 2261 "VBNET.ATG"
elseStatements.Add(embeddedStatement);
}
}
#line 2264 "VBNET.ATG"
statement = ifStatement;
} else SynErr(232);
break;
}
case 157: {
lexer.NextToken();
if (la.kind == 58) {
lexer.NextToken();
}
Expr(
#line 2267 "VBNET.ATG"
out expr);
EndOfStmt();
#line 2269 "VBNET.ATG"
ArrayList selectSections = new ArrayList();
Statement block = null;
while (la.kind == 58) {
#line 2273 "VBNET.ATG"
ArrayList caseClauses = null;
lexer.NextToken();
CaseClauses(
#line 2274 "VBNET.ATG"
out caseClauses);
if (
#line 2274 "VBNET.ATG"
IsNotStatementSeparator()) {
lexer.NextToken();
}
EndOfStmt();
#line 2276 "VBNET.ATG"
SelectSection selectSection = new SelectSection();
selectSection.CaseClauses = caseClauses;
compilationUnit.BlockStart(selectSection);
Block(
#line 2280 "VBNET.ATG"
out block);
#line 2282 "VBNET.ATG"
selectSection.EmbeddedStatement = block;
compilationUnit.BlockEnd();
selectSections.Add(selectSection);
}
#line 2287 "VBNET.ATG"
statement = new SelectStatement(expr, selectSections);
Expect(89);
Expect(157);
break;
}
case 136: {
#line 2289 "VBNET.ATG"
OnErrorStatement onErrorStatement = null;
OnErrorStatement(
#line 2290 "VBNET.ATG"
out onErrorStatement);
#line 2290 "VBNET.ATG"
statement = onErrorStatement;
break;
}
case 105: {
#line 2291 "VBNET.ATG"
GoToStatement goToStatement = null;
GoToStatement(
#line 2292 "VBNET.ATG"
out goToStatement);
#line 2292 "VBNET.ATG"
statement = goToStatement;
break;
}
case 155: {
#line 2293 "VBNET.ATG"
ResumeStatement resumeStatement = null;
ResumeStatement(
#line 2294 "VBNET.ATG"
out resumeStatement);
#line 2294 "VBNET.ATG"
statement = resumeStatement;
break;
}
case 2: case 3: case 4: case 5: case 6: case 7: case 8: case 9: case 10: case 14: case 15: case 16: case 25: case 44: case 52: case 53: case 55: case 60: case 61: case 62: case 63: case 64: case 65: case 66: case 67: case 69: case 70: case 71: case 73: case 74: case 75: case 76: case 77: case 78: case 83: case 85: case 97: case 103: case 112: case 118: case 120: case 125: case 126: case 128: case 131: case 161: case 162: case 167: case 171: case 175: case 177: {
#line 2297 "VBNET.ATG"
Expression val = null;
AssignmentOperatorType op;
bool mustBeAssignment = la.kind == Tokens.Plus || la.kind == Tokens.Minus ||
la.kind == Tokens.Not || la.kind == Tokens.Times;
UnaryExpr(
#line 2303 "VBNET.ATG"
out expr);
if (StartOf(14)) {
AssignmentOperator(
#line 2305 "VBNET.ATG"
out op);
Expr(
#line 2305 "VBNET.ATG"
out val);
#line 2305 "VBNET.ATG"
expr = new AssignmentExpression(expr, op, val);
} else if (la.kind == 1 || la.kind == 13 || la.kind == 87) {
#line 2306 "VBNET.ATG"
if (mustBeAssignment) Error("error in assignment.");
} else SynErr(233);
#line 2309 "VBNET.ATG"
// a field reference expression that stands alone is a
// invocation expression without parantheses and arguments
if(expr is FieldReferenceOrInvocationExpression) {
expr = new InvocationExpression(expr, new ArrayList());
}
statement = new StatementExpression(expr);
break;
}
case 57: {
lexer.NextToken();
UnaryExpr(
#line 2316 "VBNET.ATG"
out expr);
#line 2316 "VBNET.ATG"
statement = new StatementExpression(expr);
break;
}
default: SynErr(234); break;
}
}
void Expr(
#line 1447 "VBNET.ATG"
out Expression expr) {
#line 1448 "VBNET.ATG"
expr = new Expression();
ConditionalOrExpr(
#line 1449 "VBNET.ATG"
out expr);
while (StartOf(14)) {
#line 1452 "VBNET.ATG"
AssignmentOperatorType op; Expression val;
AssignmentOperator(
#line 1453 "VBNET.ATG"
out op);
Expr(
#line 1453 "VBNET.ATG"
out val);
#line 1453 "VBNET.ATG"
expr = new AssignmentExpression(expr, op, val);
}
}
public object Visit(AssignmentExpression assignmentExpression, object data)
{
DebugOutput(assignmentExpression);
string op = null;
string left = assignmentExpression.Left.AcceptVisitor(this, data).ToString();
string right = assignmentExpression.Right.AcceptVisitor(this, data).ToString();
switch (assignmentExpression.Op) {
case AssignmentOperatorType.Assign:
op = " = ";
break;
case AssignmentOperatorType.ConcatString:
case AssignmentOperatorType.Add:
op = " += ";
break;
case AssignmentOperatorType.Subtract:
op = " -= ";
break;
case AssignmentOperatorType.Multiply:
op = " *= ";
break;
case AssignmentOperatorType.Divide:
op = " /= ";
break;
case AssignmentOperatorType.ShiftLeft:
op = " <<= ";
break;
case AssignmentOperatorType.ShiftRight:
op = " >>= ";
break;
case AssignmentOperatorType.ExclusiveOr:
op = " ^= ";
break;
case AssignmentOperatorType.Modulus:
op = " %= ";
break;
case AssignmentOperatorType.BitwiseAnd:
op = " &= ";
break;
case AssignmentOperatorType.BitwiseOr:
op = " |= ";
break;
}
return String.Concat(left,
op,
right);
}
public virtual object Visit(AssignmentExpression assignmentExpression, object data)
{
// visit but can't give back 2 values
assignmentExpression.Left.AcceptVisitor(this, data);
assignmentExpression.Right.AcceptVisitor(this, data);
return data;
}
public override object Visit(AssignmentExpression assignmentExpression, object data)
{
return assignmentExpression.Left.AcceptVisitor(this, data);
}
