com.yahoo.search.yql

Class ProgramParser

java.lang.Object

com.yahoo.search.yql.ProgramParser

final class ProgramParser
extends Object

Translate the ANTLR grammar into the logical representation.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	ProgramParser.Binding
(package private) static class	ProgramParser.Scope

Constructor Summary

Constructors

Constructor and Description
ProgramParser()

Method Summary

Modifier and Type	Method and Description
private String	assignAlias(String alias, org.antlr.v4.runtime.ParserRuleContext node, ProgramParser.Scope scope)
OperatorNode<ExpressionOperator>	convertExpr(org.antlr.v4.runtime.tree.ParseTree parseTree, ProgramParser.Scope scope)
private OperatorNode<SequenceOperator>	convertJoin(yqlplusParser.Join_exprContext node, OperatorNode<SequenceOperator> left, ProgramParser.Scope scope)
Object	convertLiteral(yqlplusParser.Scalar_literalContext literal)
private OperatorNode<SequenceOperator>	convertMerge(List<yqlplusParser.Merge_componentContext> mergeComponentList, ProgramParser.Scope scope)
private OperatorNode<SequenceOperator>	convertPipe(yqlplusParser.Query_statementContext queryStatementContext, List<yqlplusParser.Pipeline_stepContext> nodes, ProgramParser.Scope scope)
private OperatorNode<StatementOperator>	convertProgram(org.antlr.v4.runtime.ParserRuleContext program, yqlplusParser parser, String programName)
private OperatorNode<SequenceOperator>	convertQuery(org.antlr.v4.runtime.tree.ParseTree node, ProgramParser.Scope scope)
private OperatorNode<SequenceOperator>	convertSelectOrInsertOrUpdateOrDelete(org.antlr.v4.runtime.tree.ParseTree node, ProgramParser.Scope scopeParent)
private OperatorNode<SortOperator>	convertSortKey(yqlplusParser.Orderby_fieldContext node, ProgramParser.Scope scope)
private OperatorNode<SequenceOperator>	convertSource(org.antlr.v4.runtime.ParserRuleContext sourceSpecNode, ProgramParser.Scope scope)
private List<String>	createBindingName(org.antlr.v4.runtime.tree.ParseTree node)
private OperatorNode<TypeOperator>	decodeType(ProgramParser.Scope scope, yqlplusParser.TypenameContext type)
static int	getParseTreeIndex(org.antlr.v4.runtime.tree.ParseTree parseTree)
private List<OperatorNode<ExpressionOperator>>	getReadFieldExpressions(OperatorNode<ExpressionOperator> in)
OperatorNode<StatementOperator>	parse(File input)
OperatorNode<StatementOperator>	parse(String programName, InputStream program)
OperatorNode<StatementOperator>	parse(String programName, String program)
OperatorNode<ExpressionOperator>	parseExpression(String input)
OperatorNode<ExpressionOperator>	parseExpression(String input, Set<String> visibleAliases)
private yqlplusParser.ProgramContext	parseProgram(yqlplusParser parser)
yqlplusParser	prepareParser(File file)
private yqlplusParser	prepareParser(String programName, org.antlr.v4.runtime.CharStream input)
yqlplusParser	prepareParser(String programName, InputStream input)
yqlplusParser	prepareParser(String programName, String input)
private OperatorNode<SequenceOperator>	readBatchValues(yqlplusParser.Field_names_specContext nameDefs, List<yqlplusParser.Field_values_group_specContext> valueGroups, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readBinOp(ExpressionOperator op, org.antlr.v4.runtime.tree.ParseTree operand1, org.antlr.v4.runtime.tree.ParseTree operand2, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readBinOp(ExpressionOperator op, org.antlr.v4.runtime.tree.ParseTree node, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readConjOp(ExpressionOperator op, List<yqlplusParser.EqualityExpressionContext> nodes, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readConjOrOp(ExpressionOperator op, yqlplusParser.LogicalORExpressionContext node, ProgramParser.Scope scope)
private Object	readConstantExpression(OperatorNode<ExpressionOperator> node)
private OperatorNode<SequenceOperator>	readMultiSource(ProgramParser.Scope scope, yqlplusParser.Source_listContext multiSource)
private List<String>	readName(yqlplusParser.Namespaced_nameContext node)
private ProjectionBuilder	readProjection(List<yqlplusParser.Field_defContext> fieldDefs, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readUnOp(ExpressionOperator op, org.antlr.v4.runtime.tree.ParseTree node, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readValues(List<yqlplusParser.Field_defContext> fieldDefs, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readValues(org.antlr.v4.runtime.ParserRuleContext node, ProgramParser.Scope scope)
private OperatorNode<ExpressionOperator>	readValues(yqlplusParser.Field_names_specContext nameDefs, yqlplusParser.Field_values_specContext values, ProgramParser.Scope scope)
private Location	toLocation(ProgramParser.Scope scope, org.antlr.v4.runtime.tree.ParseTree node)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProgramParser

ProgramParser()

Method Detail

prepareParser

public yqlplusParser prepareParser(String programName,
                                   InputStream input)
                            throws IOException

Throws:

IOException

prepareParser

public yqlplusParser prepareParser(String programName,
                                   String input)
                            throws IOException

Throws:

IOException

prepareParser

public yqlplusParser prepareParser(File file)
                            throws IOException

Throws:

IOException

prepareParser

private yqlplusParser prepareParser(String programName,
                                    org.antlr.v4.runtime.CharStream input)

parseProgram

private yqlplusParser.ProgramContext parseProgram(yqlplusParser parser)
                                           throws org.antlr.v4.runtime.RecognitionException

Throws:

org.antlr.v4.runtime.RecognitionException

parse

public OperatorNode<StatementOperator> parse(String programName,
                                             InputStream program)
                                      throws IOException,
                                             org.antlr.v4.runtime.RecognitionException

Throws:

IOException

org.antlr.v4.runtime.RecognitionException

parse

public OperatorNode<StatementOperator> parse(String programName,
                                             String program)
                                      throws IOException,
                                             org.antlr.v4.runtime.RecognitionException

Throws:

IOException

org.antlr.v4.runtime.RecognitionException

parse

public OperatorNode<StatementOperator> parse(File input)
                                      throws IOException,
                                             org.antlr.v4.runtime.RecognitionException

Throws:

IOException

org.antlr.v4.runtime.RecognitionException

parseExpression

public OperatorNode<ExpressionOperator> parseExpression(String input)
                                                 throws IOException,
                                                        org.antlr.v4.runtime.RecognitionException

Throws:

IOException

org.antlr.v4.runtime.RecognitionException

parseExpression

public OperatorNode<ExpressionOperator> parseExpression(String input,
                                                        Set<String> visibleAliases)
                                                 throws IOException,
                                                        org.antlr.v4.runtime.RecognitionException

Throws:

IOException

org.antlr.v4.runtime.RecognitionException

toLocation

private Location toLocation(ProgramParser.Scope scope,
                            org.antlr.v4.runtime.tree.ParseTree node)

readName

private List<String> readName(yqlplusParser.Namespaced_nameContext node)

convertSelectOrInsertOrUpdateOrDelete

private OperatorNode<SequenceOperator> convertSelectOrInsertOrUpdateOrDelete(org.antlr.v4.runtime.tree.ParseTree node,
                                                                             ProgramParser.Scope scopeParent)

readValues

private OperatorNode<ExpressionOperator> readValues(List<yqlplusParser.Field_defContext> fieldDefs,
                                                    ProgramParser.Scope scope)

readMultiSource

private OperatorNode<SequenceOperator> readMultiSource(ProgramParser.Scope scope,
                                                       yqlplusParser.Source_listContext multiSource)

convertPipe

private OperatorNode<SequenceOperator> convertPipe(yqlplusParser.Query_statementContext queryStatementContext,
                                                   List<yqlplusParser.Pipeline_stepContext> nodes,
                                                   ProgramParser.Scope scope)

convertMerge

private OperatorNode<SequenceOperator> convertMerge(List<yqlplusParser.Merge_componentContext> mergeComponentList,
                                                    ProgramParser.Scope scope)

convertQuery

private OperatorNode<SequenceOperator> convertQuery(org.antlr.v4.runtime.tree.ParseTree node,
                                                    ProgramParser.Scope scope)

convertJoin

private OperatorNode<SequenceOperator> convertJoin(yqlplusParser.Join_exprContext node,
                                                   OperatorNode<SequenceOperator> left,
                                                   ProgramParser.Scope scope)

assignAlias

private String assignAlias(String alias,
                           org.antlr.v4.runtime.ParserRuleContext node,
                           ProgramParser.Scope scope)

convertSource

private OperatorNode<SequenceOperator> convertSource(org.antlr.v4.runtime.ParserRuleContext sourceSpecNode,
                                                     ProgramParser.Scope scope)

decodeType

private OperatorNode<TypeOperator> decodeType(ProgramParser.Scope scope,
                                              yqlplusParser.TypenameContext type)

createBindingName

private List<String> createBindingName(org.antlr.v4.runtime.tree.ParseTree node)

convertProgram

private OperatorNode<StatementOperator> convertProgram(org.antlr.v4.runtime.ParserRuleContext program,
                                                       yqlplusParser parser,
                                                       String programName)

convertSortKey

private OperatorNode<SortOperator> convertSortKey(yqlplusParser.Orderby_fieldContext node,
                                                  ProgramParser.Scope scope)

readProjection

private ProjectionBuilder readProjection(List<yqlplusParser.Field_defContext> fieldDefs,
                                         ProgramParser.Scope scope)

getParseTreeIndex

public static int getParseTreeIndex(org.antlr.v4.runtime.tree.ParseTree parseTree)

convertExpr

public OperatorNode<ExpressionOperator> convertExpr(org.antlr.v4.runtime.tree.ParseTree parseTree,
                                                    ProgramParser.Scope scope)

convertLiteral

public Object convertLiteral(yqlplusParser.Scalar_literalContext literal)

readConstantExpression

private Object readConstantExpression(OperatorNode<ExpressionOperator> node)

readBinOp

private OperatorNode<ExpressionOperator> readBinOp(ExpressionOperator op,
                                                   org.antlr.v4.runtime.tree.ParseTree node,
                                                   ProgramParser.Scope scope)

readBinOp

private OperatorNode<ExpressionOperator> readBinOp(ExpressionOperator op,
                                                   org.antlr.v4.runtime.tree.ParseTree operand1,
                                                   org.antlr.v4.runtime.tree.ParseTree operand2,
                                                   ProgramParser.Scope scope)

readConjOp

private OperatorNode<ExpressionOperator> readConjOp(ExpressionOperator op,
                                                    List<yqlplusParser.EqualityExpressionContext> nodes,
                                                    ProgramParser.Scope scope)

readConjOrOp

private OperatorNode<ExpressionOperator> readConjOrOp(ExpressionOperator op,
                                                      yqlplusParser.LogicalORExpressionContext node,
                                                      ProgramParser.Scope scope)

readUnOp

private OperatorNode<ExpressionOperator> readUnOp(ExpressionOperator op,
                                                  org.antlr.v4.runtime.tree.ParseTree node,
                                                  ProgramParser.Scope scope)

readValues

private OperatorNode<ExpressionOperator> readValues(yqlplusParser.Field_names_specContext nameDefs,
                                                    yqlplusParser.Field_values_specContext values,
                                                    ProgramParser.Scope scope)

readValues

private OperatorNode<ExpressionOperator> readValues(org.antlr.v4.runtime.ParserRuleContext node,
                                                    ProgramParser.Scope scope)

readBatchValues

private OperatorNode<SequenceOperator> readBatchValues(yqlplusParser.Field_names_specContext nameDefs,
                                                       List<yqlplusParser.Field_values_group_specContext> valueGroups,
                                                       ProgramParser.Scope scope)

getReadFieldExpressions

private List<OperatorNode<ExpressionOperator>> getReadFieldExpressions(OperatorNode<ExpressionOperator> in)