// $ANTLR start "ifStatement"
// AS3_ex.g3:2025:1: ifStatement : I= IF parExpression statement ( options {k=1; } : E= ELSE statement )? ;
public AS3_exParser.ifStatement_return ifStatement() // throws RecognitionException [1]
{
AS3_exParser.ifStatement_return retval = new AS3_exParser.ifStatement_return();
retval.Start = input.LT(1);
int ifStatement_StartIndex = input.Index();
object root_0 = null;
IToken I = null;
IToken E = null;
AS3_exParser.parExpression_return parExpression206 = null;
AS3_exParser.statement_return statement207 = null;
AS3_exParser.statement_return statement208 = null;
object I_tree=null;
object E_tree=null;
CommonToken tok=null;
bool ifOnSameLine=false;
bool wasBlock=false;
try
{
if ( (state.backtracking > 0) && AlreadyParsedRule(input, 85) )
{
return retval;
}
// AS3_ex.g3:2032:5: (I= IF parExpression statement ( options {k=1; } : E= ELSE statement )? )
// AS3_ex.g3:2033:9: I= IF parExpression statement ( options {k=1; } : E= ELSE statement )?
{
root_0 = (object)adaptor.GetNilNode();
if ( state.backtracking == 0 )
{
tok=mPrinter.GetLastToken();
//if the previous token was not an else, then insert a CR. Also if it is an 'else' but the setting says to put the 'if' on a new line
if (!mPrinter.IsKeepElseIfOnSameLine() || (tok==null) || !tok.Text.Equals("else"))
{
InsertStatementCR();
}
if (tok!=null && tok.Text.Equals("else"))
{
mPrinter.SetElseIfState();
}
}
I=(IToken)Match(input,IF,FOLLOW_IF_in_ifStatement9316); if (state.failed) return retval;
if ( state.backtracking == 0 )
{I_tree = (object)adaptor.Create(I);
adaptor.AddChild(root_0, I_tree);
}
if ( state.backtracking == 0 )
{
Emit((CommonToken)I);
ifOnSameLine=mPrinter.GetElseIfNeedToLoseIndent();
if (ifOnSameLine)
PopIndent();
InsertWS(mPrinter.GetSpacesBetweenControlKeywordsAndParens());
}
if ( state.backtracking == 0 )
{
PushExpressionIndent();
}
PushFollow(FOLLOW_parExpression_in_ifStatement9351);
parExpression206 = parExpression();
state.followingStackPointer--;
if (state.failed) return retval;
if ( state.backtracking == 0 ) adaptor.AddChild(root_0, parExpression206.Tree);
if ( state.backtracking == 0 )
{
PopIndent();
}
if ( state.backtracking == 0 )
{
PushIndent(false);
}
if ( state.backtracking == 0 )
{
AddIfElseBlockTracker();SetBlockFlag(false);ClearBlockFlag();
}
PushFollow(FOLLOW_statement_in_ifStatement9396);
statement207 = statement();
state.followingStackPointer--;
if (state.failed) return retval;
if ( state.backtracking == 0 ) adaptor.AddChild(root_0, statement207.Tree);
if ( state.backtracking == 0 )
{
wasBlock=IsBlockFlag();PopIfElseBlockTracker();
}
if ( state.backtracking == 0 )
{
PopIndent();
}
// AS3_ex.g3:2063:10: ( options {k=1; } : E= ELSE statement )?
int alt98 = 2;
int LA98_0 = input.LA(1);
if ( (LA98_0 == ELSE) )
{
int LA98_2 = input.LA(2);
if ( (synpred211_AS3_ex()) )
{
alt98 = 1;
}
}
switch (alt98)
{
case 1 :
// AS3_ex.g3:2063:26: E= ELSE statement
{
E=(IToken)Match(input,ELSE,FOLLOW_ELSE_in_ifStatement9451); if (state.failed) return retval;
if ( state.backtracking == 0 )
{E_tree = (object)adaptor.Create(E);
adaptor.AddChild(root_0, E_tree);
}
if ( state.backtracking == 0 )
{
CommonToken tempTok= (CommonToken) mPrinter.GetLastToken();
if (mPrinter.IsCRBeforeElse() || !wasBlock)//tempTok==null || !tempTok.Text.Equals("}"))
InsertCR(false);
}
if ( state.backtracking == 0 )
{
InsertWS(1);
}
if ( state.backtracking == 0 )
{
Emit((CommonToken)E);
}
if ( state.backtracking == 0 )
{
PushIndent(false);
}
PushFollow(FOLLOW_statement_in_ifStatement9492);
statement208 = statement();
state.followingStackPointer--;
if (state.failed) return retval;
if ( state.backtracking == 0 ) adaptor.AddChild(root_0, statement208.Tree);
if ( state.backtracking == 0 )
{
PopIndent();
}
}
break;
}
if ( state.backtracking == 0 )
{
if (ifOnSameLine)
PushIndent(false);
}
}
retval.Stop = input.LT(-1);
if ( state.backtracking==0 )
{ retval.Tree = (object)adaptor.RulePostProcessing(root_0);
adaptor.SetTokenBoundaries(retval.Tree, (IToken) retval.Start, (IToken) retval.Stop);}
}
catch (RecognitionException re)
{
ReportError(re);
Recover(input,re);
// Conversion of the second argument necessary, but harmless
retval.Tree = (object)adaptor.ErrorNode(input, (IToken) retval.Start, input.LT(-1), re);
}
finally
{
if ( state.backtracking > 0 )
{
Memoize(input, 85, ifStatement_StartIndex);
}
}
return retval;
}
// $ANTLR start "ifStatement"
// AS3_ex.g3:2700:1: ifStatement : I= IF parExpression statement ( options {k=1; } : E= ELSE statement )? ;
public AS3_exParser.ifStatement_return ifStatement() // throws RecognitionException [1]
{
AS3_exParser.ifStatement_return retval = new AS3_exParser.ifStatement_return();
retval.Start = input.LT(1);
int ifStatement_StartIndex = input.Index();
object root_0 = null;
IToken I = null;
IToken E = null;
AS3_exParser.parExpression_return parExpression217 = null;
AS3_exParser.statement_return statement218 = null;
AS3_exParser.statement_return statement219 = null;
object I_tree=null;
object E_tree=null;
IToken tok=null;
bool ifOnSameLine=false;
bool wasBlock=false;
bool needCloseBrace=false;
int statementStartInOutput=(-1);
int statementEndInOutput=(-1);
int statementCount=0;
IToken endToken=null;
try
{
if ( (state.backtracking > 0) && AlreadyParsedRule(input, 85) )
{
return retval;
}
// AS3_ex.g3:2712:5: (I= IF parExpression statement ( options {k=1; } : E= ELSE statement )? )
// AS3_ex.g3:2713:6: I= IF parExpression statement ( options {k=1; } : E= ELSE statement )?
{
root_0 = (object)adaptor.GetNilNode();
if ( state.backtracking == 0 )
{
mPrinter.markDeclEqualsContextChange();
}
if ( state.backtracking == 0 )
{
tok=mPrinter.getLastToken();
//if the previous token was not an else, then insert a CR. Also if it is an 'else' but the setting says to put the 'if' on a new line
if (!mPrinter.isKeepElseIfOnSameLine() || (tok==null) || tok.Text != "else")
{
insertStatementCR();
}
if (tok!=null && tok.Text == "else")
{
mPrinter.setElseIfState();
}
}
I=(IToken)Match(input,IF,FOLLOW_IF_in_ifStatement10263); if (state.failed) return retval;
if ( state.backtracking == 0 )
{I_tree = (object)adaptor.Create(I);
adaptor.AddChild(root_0, I_tree);
}
if ( state.backtracking == 0 )
{
emit(I);
statementStartInOutput=mPrinter.getCurrentOutputLength();
ifOnSameLine=mPrinter.getElseIfNeedToLoseIndent();
if (ifOnSameLine)
popIndent();
insertWS(mPrinter.getSpacesBetweenControlKeywordsAndParens());
}
if ( state.backtracking == 0 )
{
pushExpressionIndent();
}
PushFollow(FOLLOW_parExpression_in_ifStatement10298);
parExpression217 = parExpression();
state.followingStackPointer--;
if (state.failed) return retval;
if ( state.backtracking == 0 ) adaptor.AddChild(root_0, parExpression217.Tree);
if ( state.backtracking == 0 )
{
endToken=input.LT(-1);statementEndInOutput=mPrinter.getCurrentOutputLength();
}
if ( state.backtracking == 0 )
{
popIndent();
}
if ( state.backtracking == 0 )
{
pushIndent(false);
}
if ( state.backtracking == 0 )
{
addIfElseBlockTracker();setBlockFlag(false);clearBlockFlag();
}
if ( state.backtracking == 0 )
{
mCodeBlockStack.Add(ASPrettyPrinter.BraceContext_controlStatement_code);
}
if ( state.backtracking == 0 )
{
mPrinter.addOpenBrace(input, ASPrettyPrinter.BraceAdd_Conditional);
mPrinter.captureStatementStart(I, statementStartInOutput);
mPrinter.captureStatementEnd(endToken, statementEndInOutput);
statementCount=mStatementCount;
}
PushFollow(FOLLOW_statement_in_ifStatement10370);
statement218 = statement();
state.followingStackPointer--;
if (state.failed) return retval;
if ( state.backtracking == 0 ) adaptor.AddChild(root_0, statement218.Tree);
if ( state.backtracking == 0 )
{
mPrinter.addCloseBrace(input.LT(1), ASPrettyPrinter.BraceAdd_Conditional, mStatementCount-statementCount);
}
if ( state.backtracking == 0 )
{
popBlockStack();
}
if ( state.backtracking == 0 )
{
wasBlock=isBlockFlag();popIfElseBlockTracker();
}
if ( state.backtracking == 0 )
{
popIndent();
}
// AS3_ex.g3:2754:10: ( options {k=1; } : E= ELSE statement )?
int alt105 = 2;
int LA105_0 = input.LA(1);
if ( (LA105_0 == ELSE) )
{
int LA105_2 = input.LA(2);
if ( (synpred221_AS3_ex()) )
{
alt105 = 1;
}
}
switch (alt105)
{
case 1 :
// AS3_ex.g3:2754:26: E= ELSE statement
{
E=(IToken)Match(input,ELSE,FOLLOW_ELSE_in_ifStatement10447); if (state.failed) return retval;
if ( state.backtracking == 0 )
{E_tree = (object)adaptor.Create(E);
adaptor.AddChild(root_0, E_tree);
}
if ( state.backtracking == 0 )
{
IToken tempTok=mPrinter.getLastToken();
if (mPrinter.isCRBeforeElse() || !wasBlock)//tempTok==null || tempTok.Text != "}")
insertCR(false);
}
if ( state.backtracking == 0 )
{
insertWS(1);
}
if ( state.backtracking == 0 )
{
emit(E);
}
if ( state.backtracking == 0 )
{
pushIndent(false);
}
if ( state.backtracking == 0 )
{
mCodeBlockStack.Add(ASPrettyPrinter.BraceContext_controlStatement_code);
}
if ( state.backtracking == 0 )
{
needCloseBrace=mPrinter.addOpenBraceForElse((CommonTokenStream)input);statementCount=mStatementCount;
}
if ( state.backtracking == 0 )
{
mPrinter.inCondition();
}
PushFollow(FOLLOW_statement_in_ifStatement10535);
statement219 = statement();
state.followingStackPointer--;
if (state.failed) return retval;
if ( state.backtracking == 0 ) adaptor.AddChild(root_0, statement219.Tree);
if ( state.backtracking == 0 )
{
if (needCloseBrace)
mPrinter.addCloseBrace(input.LT(1), ASPrettyPrinter.BraceAdd_Conditional, mStatementCount-statementCount);
}
if ( state.backtracking == 0 )
{
popBlockStack();
}
if ( state.backtracking == 0 )
{
popIndent();
}
}
break;
}
if ( state.backtracking == 0 )
{
if (ifOnSameLine)
pushIndent(false);
}
}
retval.Stop = input.LT(-1);
if ( state.backtracking==0 )
{ retval.Tree = (object)adaptor.RulePostProcessing(root_0);
adaptor.SetTokenBoundaries(retval.Tree, (IToken) retval.Start, (IToken) retval.Stop);}
}
catch (RecognitionException re)
{
ReportError(re);
Recover(input,re);
// Conversion of the second argument necessary, but harmless
retval.Tree = (object)adaptor.ErrorNode(input, (IToken) retval.Start, input.LT(-1), re);
}
finally
{
if ( state.backtracking > 0 )
{
Memoize(input, 85, ifStatement_StartIndex);
}
}
return retval;
}
