Package com.javacc.output

Class Translator

java.lang.Object

com.javacc.output.Translator

Direct Known Subclasses:

CSharpTranslator, PythonTranslator

public class Translator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	Translator.ASTAllocation
protected class	Translator.ASTBinaryExpression
protected class	Translator.ASTBreakStatement
protected class	Translator.ASTCaseStatement
protected class	Translator.ASTContinueStatement
protected class	Translator.ASTExpression
protected class	Translator.ASTExpressionStatement
protected class	Translator.ASTFormalParameter
protected class	Translator.ASTForStatement
protected class	Translator.ASTHelperNode
protected class	Translator.ASTIfStatement
protected class	Translator.ASTInstanceofExpression
protected class	Translator.ASTInvocation
protected class	Translator.ASTMethodDeclaration
protected class	Translator.ASTPreOrPostfixExpression
protected class	Translator.ASTPrimaryExpression
protected class	Translator.ASTReturnStatement
protected class	Translator.ASTStatement
protected class	Translator.ASTStatementList
protected class	Translator.ASTSwitchStatement
protected class	Translator.ASTTernaryExpression
protected class	Translator.ASTTypeExpression
protected class	Translator.ASTUnaryExpression
protected class	Translator.ASTVariableOrFieldDeclaration
protected class	Translator.ASTWhileStatement
static class	Translator.SymbolTable
static class	Translator.TranslationContext

Field Summary

Fields

Modifier and Type	Field	Description
protected String	currentClass
protected int	fieldIndent
protected Translator.SymbolTable	fields
protected Grammar	grammar
protected boolean	inInterface
protected boolean	isTyped
protected int	methodIndent
protected Set<String>	parameterNames
protected Map<String,Translator.ASTTypeExpression>	properties
protected Map<String,Set<String>>	propertyMap
protected List<Translator.SymbolTable>	symbolStack
protected int	tempVarCounter
protected Set<String>	tokenNames

Constructor Summary

Constructors

Constructor	Description
Translator(Grammar grammar)

Method Summary

Modifier and Type	Method	Description
protected void	addIndent(int amount, StringBuilder result)
void	addParameterName(String name)
void	addSymbol(String name, Translator.ASTTypeExpression type)
static String	camelToSnake(String ident)
void	clearFields()
void	clearParameterNames()
void	endClass(String name)
void	fail()
Translator.ASTTypeExpression	findSymbol(String name)
protected Translator.ASTTypeExpression	getExpressionType(Translator.ASTExpression expr)
int	getFieldIndent()
int	getMethodIndent()
protected String	getTempVarName()
static Translator	getTranslatorFor(Grammar grammar)
protected boolean	hasUnconditionalExit(Translator.ASTStatementList statementList)
protected void	internalTranslateExpression(Translator.ASTExpression expr, Translator.TranslationContext ctx, StringBuilder result)
protected void	internalTranslateStatement(Translator.ASTStatement stmt, int indent, StringBuilder result)
boolean	isAssignment(Translator.ASTExpression expr)
protected boolean	isEnumSet(Translator.ASTExpression receiver)
boolean	isGetter(String name)
protected boolean	isList(Translator.ASTExpression node)
boolean	isNull(Translator.ASTExpression expr)
boolean	isParameterName(String name)
boolean	isSetter(String name)
protected boolean	isThis(Translator.ASTExpression expr)
protected boolean	isTokenType(Translator.ASTExpression expr)
static <T> Set<T>	makeSet(T... objs)
protected boolean	needsParentheses(Translator.ASTExpression expr)
void	popSymbols()
protected void	processBinaryExpression(boolean parens, Translator.ASTExpression lhs, String xop, Translator.ASTExpression rhs, StringBuilder result)
protected void	processForIteration(List<Translator.ASTExpression> iteration, int indent, StringBuilder result)
protected void	processVariableDeclaration(Translator.ASTTypeExpression type, Translator.ASTPrimaryExpression name, boolean isField, boolean isProperty)
void	pushSymbols(Translator.SymbolTable symbols)
void	startClass(String name)
Translator.SymbolTable	topSymbols()
protected Translator.ASTFormalParameter	transformFormal(FormalParameter fp)
protected List<Translator.ASTFormalParameter>	transformFormals(List<FormalParameter> formals)
protected Translator.ASTHelperNode	transformTree(Node node)
protected Translator.ASTHelperNode	transformTree(Node node, boolean forType)
protected void	translateArguments(List<Translator.ASTExpression> arguments, boolean parens, StringBuilder result)
protected void	translateBinaryExpression(Translator.ASTBinaryExpression expr, StringBuilder result)
protected void	translateCast(Translator.ASTTypeExpression cast, StringBuilder result)
void	translateExpression(Node expr, StringBuilder result)
protected void	translateFormals(List<Translator.ASTFormalParameter> formals, Translator.SymbolTable symbols, boolean withType, boolean typeFirst, StringBuilder result)
void	translateFormals(List<FormalParameter> formals, Translator.SymbolTable symbols, StringBuilder result)
String	translateGetter(String getterName)
String	translateIdentifier(String ident, Translator.TranslationContext kind)
String	translateInjectedClass(CodeInjector injector, String name)
protected void	translateInstanceofExpression(Translator.ASTInstanceofExpression expr, StringBuilder result)
protected void	translateInvocation(Translator.ASTInvocation expr, StringBuilder result)
String	translateNonterminalArgs(String args)
String	translateOperator(String operator)
protected void	translatePrimaryExpression(Translator.ASTPrimaryExpression expr, Translator.TranslationContext ctx, StringBuilder result)
void	translateProperties(String name, int indent, StringBuilder result)
void	translateStatement(Node stmt, int indent, StringBuilder result)
protected void	translateTernaryExpression(Translator.ASTTernaryExpression expr, StringBuilder result)
protected void	translateType(Translator.ASTTypeExpression expr, StringBuilder result)
protected void	translateUnaryExpression(Translator.ASTUnaryExpression expr, Translator.TranslationContext ctx, StringBuilder result)

Methods inherited from class java.lang.Object

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

Field Detail

grammar

protected Grammar grammar

tempVarCounter

protected int tempVarCounter

tokenNames

protected Set<String> tokenNames

fieldIndent

protected int fieldIndent

methodIndent

protected int methodIndent

isTyped

protected boolean isTyped

inInterface

protected boolean inInterface

currentClass

protected String currentClass

symbolStack

protected List<Translator.SymbolTable> symbolStack

properties

protected Map<String,Translator.ASTTypeExpression> properties

fields

protected Translator.SymbolTable fields

propertyMap

protected Map<String,Set<String>> propertyMap

parameterNames

protected Set<String> parameterNames

Constructor Detail

Translator

public Translator(Grammar grammar)

Method Detail

makeSet

public static <T> Set<T> makeSet(T... objs)

clearFields

public void clearFields()

pushSymbols

public void pushSymbols(Translator.SymbolTable symbols)

popSymbols

public void popSymbols()

topSymbols

public Translator.SymbolTable topSymbols()

addSymbol

public void addSymbol(String name,
                      Translator.ASTTypeExpression type)

addParameterName

public void addParameterName(String name)

isParameterName

public boolean isParameterName(String name)

clearParameterNames

public void clearParameterNames()

findSymbol

public Translator.ASTTypeExpression findSymbol(String name)

getFieldIndent

public int getFieldIndent()

getMethodIndent

public int getMethodIndent()

getTranslatorFor

public static Translator getTranslatorFor(Grammar grammar)

getTempVarName

protected String getTempVarName()

translateOperator

public String translateOperator(String operator)

camelToSnake

public static String camelToSnake(String ident)

translateIdentifier

public String translateIdentifier(String ident,
                                  Translator.TranslationContext kind)

translateGetter

public String translateGetter(String getterName)

isGetter

public boolean isGetter(String name)

isSetter

public boolean isSetter(String name)

transformFormal

protected Translator.ASTFormalParameter transformFormal(FormalParameter fp)

transformTree

protected Translator.ASTHelperNode transformTree(Node node,
                                                 boolean forType)

transformTree

protected Translator.ASTHelperNode transformTree(Node node)

fail

public void fail()
          throws UnsupportedOperationException

Throws:

UnsupportedOperationException

isNull

public boolean isNull(Translator.ASTExpression expr)

isAssignment

public boolean isAssignment(Translator.ASTExpression expr)

translatePrimaryExpression

protected void translatePrimaryExpression(Translator.ASTPrimaryExpression expr,
                                          Translator.TranslationContext ctx,
                                          StringBuilder result)

translateUnaryExpression

protected void translateUnaryExpression(Translator.ASTUnaryExpression expr,
                                        Translator.TranslationContext ctx,
                                        StringBuilder result)

translateBinaryExpression

protected void translateBinaryExpression(Translator.ASTBinaryExpression expr,
                                         StringBuilder result)

translateTernaryExpression

protected void translateTernaryExpression(Translator.ASTTernaryExpression expr,
                                          StringBuilder result)

translateInstanceofExpression

protected void translateInstanceofExpression(Translator.ASTInstanceofExpression expr,
                                             StringBuilder result)

translateInvocation

protected void translateInvocation(Translator.ASTInvocation expr,
                                   StringBuilder result)

internalTranslateExpression

protected void internalTranslateExpression(Translator.ASTExpression expr,
                                           Translator.TranslationContext ctx,
                                           StringBuilder result)

translateCast

protected void translateCast(Translator.ASTTypeExpression cast,
                             StringBuilder result)

translateExpression

public void translateExpression(Node expr,
                                StringBuilder result)

addIndent

protected void addIndent(int amount,
                         StringBuilder result)

internalTranslateStatement

protected void internalTranslateStatement(Translator.ASTStatement stmt,
                                          int indent,
                                          StringBuilder result)

translateStatement

public void translateStatement(Node stmt,
                               int indent,
                               StringBuilder result)

translateProperties

public void translateProperties(String name,
                                int indent,
                                StringBuilder result)

translateNonterminalArgs

public String translateNonterminalArgs(String args)

translateType

protected void translateType(Translator.ASTTypeExpression expr,
                             StringBuilder result)

translateFormals

protected void translateFormals(List<Translator.ASTFormalParameter> formals,
                                Translator.SymbolTable symbols,
                                boolean withType,
                                boolean typeFirst,
                                StringBuilder result)

transformFormals

protected List<Translator.ASTFormalParameter> transformFormals(List<FormalParameter> formals)

translateFormals

public void translateFormals(List<FormalParameter> formals,
                             Translator.SymbolTable symbols,
                             StringBuilder result)

translateInjectedClass

public String translateInjectedClass(CodeInjector injector,
                                     String name)

processVariableDeclaration

protected void processVariableDeclaration(Translator.ASTTypeExpression type,
                                          Translator.ASTPrimaryExpression name,
                                          boolean isField,
                                          boolean isProperty)

isList

protected boolean isList(Translator.ASTExpression node)

processForIteration

protected void processForIteration(List<Translator.ASTExpression> iteration,
                                   int indent,
                                   StringBuilder result)

isThis

protected boolean isThis(Translator.ASTExpression expr)

needsParentheses

protected boolean needsParentheses(Translator.ASTExpression expr)

processBinaryExpression

protected void processBinaryExpression(boolean parens,
                                       Translator.ASTExpression lhs,
                                       String xop,
                                       Translator.ASTExpression rhs,
                                       StringBuilder result)

hasUnconditionalExit

protected boolean hasUnconditionalExit(Translator.ASTStatementList statementList)

getExpressionType

protected Translator.ASTTypeExpression getExpressionType(Translator.ASTExpression expr)

isEnumSet

protected boolean isEnumSet(Translator.ASTExpression receiver)

translateArguments

protected void translateArguments(List<Translator.ASTExpression> arguments,
                                  boolean parens,
                                  StringBuilder result)

isTokenType

protected boolean isTokenType(Translator.ASTExpression expr)

startClass

public void startClass(String name)

endClass

public void endClass(String name)