Package org.apache.sysds.parser

Class StatementBlock

java.lang.Object

org.apache.sysds.parser.LiveVariableAnalysis

org.apache.sysds.parser.StatementBlock

All Implemented Interfaces:

ParseInfo

Direct Known Subclasses:

ForStatementBlock, FunctionStatementBlock, IfStatementBlock, WhileStatementBlock

public class StatementBlock
extends LiveVariableAnalysis
implements ParseInfo

Field Summary

Fields

Modifier and Type	Field	Description
static double	DEFAULT_LOOP_REPETITIONS

Constructor Summary

Constructors

Constructor	Description
StatementBlock()
StatementBlock(StatementBlock sb)

Method Summary

Modifier and Type	Method	Description
void	addStatement(Statement s)
void	addStatementBlock(StatementBlock s)
VariableSet	analyze(VariableSet loPassed)
int	getBeginColumn()
int	getBeginLine()
HashMap<String,ConstIdentifier>	getConstIn()
HashMap<String,ConstIdentifier>	getConstOut()
DMLProgram	getDMLProg()
int	getEndColumn()
int	getEndLine()
String	getFilename()
ArrayList<Hop>	getHops()
ArrayList<String>	getInputstoSB()
ArrayList<Lop>	getLops()
String	getName()
int	getNumStatements()
ArrayList<String>	getOutputNamesofSB()
ArrayList<DataIdentifier>	getOutputsofSB()
long	getSBID()
Statement	getStatement(int i)
ArrayList<Statement>	getStatements()
String	getText()
ArrayList<String>	getUpdateInPlaceVars()
boolean	hasHops()
VariableSet	initializebackwardLV(VariableSet loPassed)
VariableSet	initializeforwardLV(VariableSet activeIn)	For each statement: gen rule: for each variable read in current statement but not updated in any PRIOR statement, add to gen Handles case where variable both read and updated in same statement (i = i + 1, i needs to be added to gen) kill rule: for each variable updated in current statement but not read in this or any PRIOR statement, add to kill.
boolean	isMergeableFunctionCallBlock(DMLProgram dmlProg)
boolean	isNondeterministic()
boolean	isRewritableFunctionCall(Statement stmt, DMLProgram dmlProg)
boolean	isSplitDag()
boolean	mergeable()
static ArrayList<StatementBlock>	mergeFunctionCalls(List<StatementBlock> body, DMLProgram dmlProg)
static ArrayList<StatementBlock>	mergeStatementBlocks(List<StatementBlock> sb)
String	printBlockErrorLocation()
String	printErrorLocation()
String	printWarningLocation()
void	raiseValidateError(String msg, boolean conditional)
void	raiseValidateError(String msg, boolean conditional, String errorCode)
boolean	requiresRecompilation()
ArrayList<Statement>	rewriteFunctionCallStatements(DMLProgram dmlProg, ArrayList<Statement> statements)
static Expression	rHoistFunctionCallsFromExpressions(Expression expr, boolean root, ArrayList<Statement> tmp, DMLProgram prog)
static List<StatementBlock>	rHoistFunctionCallsFromExpressions(StatementBlock current, DMLProgram prog)
static List<Statement>	rHoistFunctionCallsFromExpressions(Statement stmt, DMLProgram prog)
void	setBeginColumn(int passed)
void	setBeginLine(int passed)
void	setDMLProg(DMLProgram dmlProg)
void	setEndColumn(int passed)
void	setEndLine(int passed)
void	setFilename(String fname)
void	setHops(ArrayList<Hop> hops)
void	setLops(ArrayList<Lop> lops)
void	setNondeterministic(boolean flag)
void	setParseInfo(ParseInfo parseInfo)	Set parse information.
void	setSplitDag(boolean flag)
void	setStatementFormatType(AssignmentStatement s, boolean conditionalValidate)
void	setStatementFormatType(OutputStatement s, boolean conditionalValidate)
void	setStatements(ArrayList<Statement> s)
void	setText(String text)
void	setUpdateInPlaceVars(ArrayList<String> vars)
String	toString()
boolean	updateRecompilationFlag()
void	updateRepetitionEstimates(double repetitions)	Updates the repetition estimate for this statement block and all contained hops.
VariableSet	validate(DMLProgram dmlProg, VariableSet ids, HashMap<String,ConstIdentifier> constVars, boolean conditional)

Methods inherited from class org.apache.sysds.parser.LiveVariableAnalysis

getGen, getKill, getWarn, liveIn, liveOut, setGen, setKill, setLiveIn, setLiveOut, setReadVariables, setUpdatedVariables, updateLiveVariablesOut, variablesRead, variablesUpdated

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_LOOP_REPETITIONS

public static final double DEFAULT_LOOP_REPETITIONS

See Also:

Constant Field Values

Constructor Detail

StatementBlock

public StatementBlock()

StatementBlock

public StatementBlock(StatementBlock sb)

Method Detail

setDMLProg

public void setDMLProg(DMLProgram dmlProg)

getDMLProg

public DMLProgram getDMLProg()

getSBID

public long getSBID()

getName

public String getName()

addStatement

public void addStatement(Statement s)

addStatementBlock

public void addStatementBlock(StatementBlock s)

getNumStatements

public int getNumStatements()

getStatement

public Statement getStatement(int i)

getStatements

public ArrayList<Statement> getStatements()

setStatements

public void setStatements(ArrayList<Statement> s)

getHops

public ArrayList<Hop> getHops()

getLops

public ArrayList<Lop> getLops()

setHops

public void setHops(ArrayList<Hop> hops)

setLops

public void setLops(ArrayList<Lop> lops)

mergeable

public boolean mergeable()

setSplitDag

public void setSplitDag(boolean flag)

isSplitDag

public boolean isSplitDag()

isMergeableFunctionCallBlock

public boolean isMergeableFunctionCallBlock(DMLProgram dmlProg)

isRewritableFunctionCall

public boolean isRewritableFunctionCall(Statement stmt,
                                        DMLProgram dmlProg)

mergeFunctionCalls

public static ArrayList<StatementBlock> mergeFunctionCalls(List<StatementBlock> body,
                                                           DMLProgram dmlProg)

toString

public String toString()

Overrides:

toString in class Object

getInputstoSB

public ArrayList<String> getInputstoSB()

getOutputNamesofSB

public ArrayList<String> getOutputNamesofSB()

getOutputsofSB

public ArrayList<DataIdentifier> getOutputsofSB()

mergeStatementBlocks

public static ArrayList<StatementBlock> mergeStatementBlocks(List<StatementBlock> sb)

rHoistFunctionCallsFromExpressions

public static List<StatementBlock> rHoistFunctionCallsFromExpressions(StatementBlock current,
                                                                      DMLProgram prog)

rHoistFunctionCallsFromExpressions

public static List<Statement> rHoistFunctionCallsFromExpressions(Statement stmt,
                                                                 DMLProgram prog)

rHoistFunctionCallsFromExpressions

public static Expression rHoistFunctionCallsFromExpressions(Expression expr,
                                                            boolean root,
                                                            ArrayList<Statement> tmp,
                                                            DMLProgram prog)

rewriteFunctionCallStatements

public ArrayList<Statement> rewriteFunctionCallStatements(DMLProgram dmlProg,
                                                          ArrayList<Statement> statements)

validate

public VariableSet validate(DMLProgram dmlProg,
                            VariableSet ids,
                            HashMap<String,ConstIdentifier> constVars,
                            boolean conditional)

setStatementFormatType

public void setStatementFormatType(OutputStatement s,
                                   boolean conditionalValidate)

setStatementFormatType

public void setStatementFormatType(AssignmentStatement s,
                                   boolean conditionalValidate)

initializeforwardLV

public VariableSet initializeforwardLV(VariableSet activeIn)

For each statement: gen rule: for each variable read in current statement but not updated in any PRIOR statement, add to gen Handles case where variable both read and updated in same statement (i = i + 1, i needs to be added to gen) kill rule: for each variable updated in current statement but not read in this or any PRIOR statement, add to kill.

Specified by:

initializeforwardLV in class LiveVariableAnalysis

initializebackwardLV

public VariableSet initializebackwardLV(VariableSet loPassed)

Specified by:

initializebackwardLV in class LiveVariableAnalysis

getConstIn

public HashMap<String,ConstIdentifier> getConstIn()

getConstOut

public HashMap<String,ConstIdentifier> getConstOut()

analyze

public VariableSet analyze(VariableSet loPassed)

Specified by:

analyze in class LiveVariableAnalysis

hasHops

public boolean hasHops()

updateRepetitionEstimates

public void updateRepetitionEstimates(double repetitions)

Updates the repetition estimate for this statement block and all contained hops. FunctionStatementBlocks are loaded from the function dictionary and repetitions are estimated for the contained statement blocks. This method is overridden in the subclasses of StatementBlock.

Parameters:

repetitions - estimated for this statement block

raiseValidateError

public void raiseValidateError(String msg,
                               boolean conditional)

raiseValidateError

public void raiseValidateError(String msg,
                               boolean conditional,
                               String errorCode)

setFilename

public void setFilename(String fname)

Specified by:

setFilename in interface ParseInfo

setBeginLine

public void setBeginLine(int passed)

Specified by:

setBeginLine in interface ParseInfo

setBeginColumn

public void setBeginColumn(int passed)

Specified by:

setBeginColumn in interface ParseInfo

setEndLine

public void setEndLine(int passed)

Specified by:

setEndLine in interface ParseInfo

setEndColumn

public void setEndColumn(int passed)

Specified by:

setEndColumn in interface ParseInfo

setText

public void setText(String text)

Specified by:

setText in interface ParseInfo

setParseInfo

public void setParseInfo(ParseInfo parseInfo)

Set parse information.

Parameters:

parseInfo - parse information, such as beginning line position, beginning column position, ending line position, ending column position, text, and filename the DML filename (if it exists)

getFilename

public String getFilename()

Specified by:

getFilename in interface ParseInfo

getBeginLine

public int getBeginLine()

Specified by:

getBeginLine in interface ParseInfo

getBeginColumn

public int getBeginColumn()

Specified by:

getBeginColumn in interface ParseInfo

getEndLine

public int getEndLine()

Specified by:

getEndLine in interface ParseInfo

getEndColumn

public int getEndColumn()

Specified by:

getEndColumn in interface ParseInfo

getText

public String getText()

Specified by:

getText in interface ParseInfo

printErrorLocation

public String printErrorLocation()

printBlockErrorLocation

public String printBlockErrorLocation()

printWarningLocation

public String printWarningLocation()

updateRecompilationFlag

public boolean updateRecompilationFlag()

requiresRecompilation

public boolean requiresRecompilation()

getUpdateInPlaceVars

public ArrayList<String> getUpdateInPlaceVars()

setUpdateInPlaceVars

public void setUpdateInPlaceVars(ArrayList<String> vars)

setNondeterministic

public void setNondeterministic(boolean flag)

isNondeterministic

public boolean isNondeterministic()