Package org.jruby.parser

Class RubyParser

java.lang.Object

org.jruby.parser.RubyParser

public class RubyParser
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	DEFAULT
static final int	keyword__ENCODING__
static final int	keyword__FILE__
static final int	keyword__LINE__
static final int	keyword_alias
static final int	keyword_and
static final int	keyword_begin
static final int	keyword_BEGIN
static final int	keyword_break
static final int	keyword_case
static final int	keyword_class
static final int	keyword_def
static final int	keyword_defined
static final int	keyword_do
static final int	keyword_do_block
static final int	keyword_do_cond
static final int	keyword_do_lambda
static final int	keyword_else
static final int	keyword_elsif
static final int	keyword_end
static final int	keyword_END
static final int	keyword_ensure
static final int	keyword_false
static final int	keyword_for
static final int	keyword_if
static final int	keyword_in
static final int	keyword_module
static final int	keyword_next
static final int	keyword_nil
static final int	keyword_not
static final int	keyword_or
static final int	keyword_redo
static final int	keyword_rescue
static final int	keyword_retry
static final int	keyword_return
static final int	keyword_self
static final int	keyword_super
static final int	keyword_then
static final int	keyword_true
static final int	keyword_undef
static final int	keyword_unless
static final int	keyword_until
static final int	keyword_when
static final int	keyword_while
static final int	keyword_yield
protected RubyLexer	lexer
static final int	modifier_if
static final int	modifier_rescue
static final int	modifier_unless
static final int	modifier_until
static final int	modifier_while
private static final int	NEEDS_TOKEN
(package private) static ParserState[]	states
protected ParserSupport	support
static final int	tAMPER
static final int	tAMPER2
static final int	tANDDOT
static final int	tANDOP
static final int	tAREF
static final int	tASET
static final int	tASSOC
static final int	tBACK_REF
static final int	tBACK_REF2
static final int	tBANG
static final int	tCARET
static final int	tCHAR
static final int	tCMP
static final int	tCOLON2
static final int	tCOLON3
static final int	tCONSTANT
static final int	tCVAR
static final int	tDIVIDE
static final int	tDOT
static final int	tDOT2
static final int	tDOT3
static final int	tDSTAR
static final int	tEQ
static final int	tEQQ
static final int	tFID
static final int	tFLOAT
static final int	tGEQ
static final int	tGT
static final int	tGVAR
static final int	tIDENTIFIER
static final int	tIMAGINARY
static final int	tINTEGER
static final int	tIVAR
static final int	tLABEL
static final int	tLABEL_END
static final int	tLAMBDA
static final int	tLAMBEG
static final int	tLBRACE
static final int	tLBRACE_ARG
static final int	tLBRACK
static final int	tLCURLY
static final int	tLEQ
static final int	tLOWEST
static final int	tLPAREN
static final int	tLPAREN_ARG
static final int	tLPAREN2
static final int	tLSHFT
static final int	tLT
static final int	tMATCH
static final int	tMINUS
static final int	tNEQ
static final int	tNMATCH
static final int	tNTH_REF
static final int	tOP_ASGN
static final int	tOROP
static final int	tPERCENT
static final int	tPIPE
static final int	tPLUS
static final int	tPOW
static final int	tQSYMBOLS_BEG
static final int	tQWORDS_BEG
static final int	tRATIONAL
static final int	tRBRACK
static final int	tRCURLY
static final int	tREGEXP_BEG
static final int	tREGEXP_END
static final int	tRPAREN
static final int	tRSHFT
static final int	tSP
static final int	tSTAR
static final int	tSTAR2
static final int	tSTRING_BEG
static final int	tSTRING_CONTENT
static final int	tSTRING_DBEG
static final int	tSTRING_DEND
static final int	tSTRING_DVAR
static final int	tSTRING_END
static final int	tSYMBEG
static final int	tSYMBOLS_BEG
static final int	tTILDE
static final int	tUMINUS
static final int	tUMINUS_NUM
static final int	tUPLUS
static final int	tWORDS_BEG
static final int	tXSTRING_BEG
protected static final short[]	yyCheck
protected YYDebug	yydebug
protected static final short[]	yyDefRed	parser tables.
protected static final short[]	yyDgoto	parser tables.
static final int	yyErrorCode
protected static final int	yyFinal	number of final state.
protected static final short[]	yyGindex	parser tables.
protected static final short[]	yyLen	parser tables.
protected static final short[]	yyLhs	parser tables.
private static final int	YYMAX
protected static final String[]	yyNames	maps symbol value to printable name.
protected static final short[]	yyRindex	parser tables.
protected static final String[]	yyRule	printable rules for debugging.
protected static final short[]	yySindex	parser tables.
protected static final short[]	yyTable

Constructor Summary

Constructors

Constructor	Description
RubyParser(LexerSource source)	Deprecated.
RubyParser(LexerSource source, IRubyWarnings warnings)
RubyParser(ParserSupport support, LexerSource source)	Deprecated.

Method Summary

Modifier and Type	Method	Description
private static void	initializeStates(ProductionState[] states, int start, int length)
RubyParserResult	parse(ParserConfiguration configuration)	The parse method use an lexer stream and parse it to an AST node structure
private static void	printstates(int yytop, ProductionState[] yystates)
void	setWarnings(IRubyWarnings warnings)
protected String[]	yyExpecting(int state)	computes list of expected tokens on error by tracing the tables.
static String	yyName(int token)	index-checked interface to yyNames.
Object	yyparse(RubyLexer yyLex)	the generated parser.
Object	yyparse(RubyLexer yyLex, Object ayydebug)	the generated parser, with debugging messages.

Methods inherited from class java.lang.Object

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

Field Details

support

protected ParserSupport support

lexer

protected RubyLexer lexer

keyword_class

public static final int keyword_class

See Also:

• Constant Field Values

keyword_module

public static final int keyword_module

See Also:

• Constant Field Values

keyword_def

public static final int keyword_def

See Also:

• Constant Field Values

keyword_undef

public static final int keyword_undef

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• Constant Field Values

keyword_begin

public static final int keyword_begin

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• Constant Field Values

keyword_rescue

public static final int keyword_rescue

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• Constant Field Values

keyword_ensure

public static final int keyword_ensure

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• Constant Field Values

keyword_end

public static final int keyword_end

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• Constant Field Values

keyword_if

public static final int keyword_if

See Also:

• Constant Field Values

keyword_unless

public static final int keyword_unless

See Also:

• Constant Field Values

keyword_then

public static final int keyword_then

See Also:

• Constant Field Values

keyword_elsif

public static final int keyword_elsif

See Also:

• Constant Field Values

keyword_else

public static final int keyword_else

See Also:

• Constant Field Values

keyword_case

public static final int keyword_case

See Also:

• Constant Field Values

keyword_when

public static final int keyword_when

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• Constant Field Values

keyword_while

public static final int keyword_while

See Also:

• Constant Field Values

keyword_until

public static final int keyword_until

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• Constant Field Values

keyword_for

public static final int keyword_for

See Also:

• Constant Field Values

keyword_break

public static final int keyword_break

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• Constant Field Values

keyword_next

public static final int keyword_next

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• Constant Field Values

keyword_redo

public static final int keyword_redo

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• Constant Field Values

keyword_retry

public static final int keyword_retry

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• Constant Field Values

keyword_in

public static final int keyword_in

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• Constant Field Values

keyword_do

public static final int keyword_do

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• Constant Field Values

keyword_do_cond

public static final int keyword_do_cond

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• Constant Field Values

keyword_do_block

public static final int keyword_do_block

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• Constant Field Values

keyword_return

public static final int keyword_return

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• Constant Field Values

keyword_yield

public static final int keyword_yield

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• Constant Field Values

keyword_super

public static final int keyword_super

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• Constant Field Values

keyword_self

public static final int keyword_self

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• Constant Field Values

keyword_nil

public static final int keyword_nil

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• Constant Field Values

keyword_true

public static final int keyword_true

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• Constant Field Values

keyword_false

public static final int keyword_false

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• Constant Field Values

keyword_and

public static final int keyword_and

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• Constant Field Values

keyword_or

public static final int keyword_or

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• Constant Field Values

keyword_not

public static final int keyword_not

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• Constant Field Values

modifier_if

public static final int modifier_if

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• Constant Field Values

modifier_unless

public static final int modifier_unless

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• Constant Field Values

modifier_while

public static final int modifier_while

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• Constant Field Values

modifier_until

public static final int modifier_until

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• Constant Field Values

modifier_rescue

public static final int modifier_rescue

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• Constant Field Values

keyword_alias

public static final int keyword_alias

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• Constant Field Values

keyword_defined

public static final int keyword_defined

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• Constant Field Values

keyword_BEGIN

public static final int keyword_BEGIN

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• Constant Field Values

keyword_END

public static final int keyword_END

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• Constant Field Values

keyword__LINE__

public static final int keyword__LINE__

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• Constant Field Values

keyword__FILE__

public static final int keyword__FILE__

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• Constant Field Values

keyword__ENCODING__

public static final int keyword__ENCODING__

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• Constant Field Values

keyword_do_lambda

public static final int keyword_do_lambda

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• Constant Field Values

tIDENTIFIER

public static final int tIDENTIFIER

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• Constant Field Values

tFID

public static final int tFID

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• Constant Field Values

tGVAR

public static final int tGVAR

See Also:

• Constant Field Values

tIVAR

public static final int tIVAR

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• Constant Field Values

tCONSTANT

public static final int tCONSTANT

See Also:

• Constant Field Values

tCVAR

public static final int tCVAR

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• Constant Field Values

tLABEL

public static final int tLABEL

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• Constant Field Values

tCHAR

public static final int tCHAR

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• Constant Field Values

tUPLUS

public static final int tUPLUS

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• Constant Field Values

tUMINUS

public static final int tUMINUS

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• Constant Field Values

tUMINUS_NUM

public static final int tUMINUS_NUM

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• Constant Field Values

tPOW

public static final int tPOW

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• Constant Field Values

tCMP

public static final int tCMP

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• Constant Field Values

tEQ

public static final int tEQ

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• Constant Field Values

tEQQ

public static final int tEQQ

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• Constant Field Values

tNEQ

public static final int tNEQ

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• Constant Field Values

tGEQ

public static final int tGEQ

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• Constant Field Values

tLEQ

public static final int tLEQ

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• Constant Field Values

tANDOP

public static final int tANDOP

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• Constant Field Values

tOROP

public static final int tOROP

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• Constant Field Values

tMATCH

public static final int tMATCH

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• Constant Field Values

tNMATCH

public static final int tNMATCH

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• Constant Field Values

tDOT

public static final int tDOT

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• Constant Field Values

tDOT2

public static final int tDOT2

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• Constant Field Values

tDOT3

public static final int tDOT3

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• Constant Field Values

tAREF

public static final int tAREF

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• Constant Field Values

tASET

public static final int tASET

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• Constant Field Values

tLSHFT

public static final int tLSHFT

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• Constant Field Values

tRSHFT

public static final int tRSHFT

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• Constant Field Values

tANDDOT

public static final int tANDDOT

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• Constant Field Values

tCOLON2

public static final int tCOLON2

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• Constant Field Values

tCOLON3

public static final int tCOLON3

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• Constant Field Values

tOP_ASGN

public static final int tOP_ASGN

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• Constant Field Values

tASSOC

public static final int tASSOC

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• Constant Field Values

tLPAREN

public static final int tLPAREN

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• Constant Field Values

tLPAREN2

public static final int tLPAREN2

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• Constant Field Values

tRPAREN

public static final int tRPAREN

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• Constant Field Values

tLPAREN_ARG

public static final int tLPAREN_ARG

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• Constant Field Values

tLBRACK

public static final int tLBRACK

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tRBRACK

public static final int tRBRACK

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• Constant Field Values

tLBRACE

public static final int tLBRACE

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• Constant Field Values

tLBRACE_ARG

public static final int tLBRACE_ARG

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• Constant Field Values

tSTAR

public static final int tSTAR

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• Constant Field Values

tSTAR2

public static final int tSTAR2

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• Constant Field Values

tAMPER

public static final int tAMPER

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• Constant Field Values

tAMPER2

public static final int tAMPER2

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• Constant Field Values

tTILDE

public static final int tTILDE

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• Constant Field Values

tPERCENT

public static final int tPERCENT

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• Constant Field Values

tDIVIDE

public static final int tDIVIDE

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• Constant Field Values

tPLUS

public static final int tPLUS

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• Constant Field Values

tMINUS

public static final int tMINUS

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• Constant Field Values

tLT

public static final int tLT

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• Constant Field Values

tGT

public static final int tGT

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• Constant Field Values

tPIPE

public static final int tPIPE

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• Constant Field Values

tBANG

public static final int tBANG

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• Constant Field Values

tCARET

public static final int tCARET

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• Constant Field Values

tLCURLY

public static final int tLCURLY

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• Constant Field Values

tRCURLY

public static final int tRCURLY

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• Constant Field Values

tBACK_REF2

public static final int tBACK_REF2

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• Constant Field Values

tSYMBEG

public static final int tSYMBEG

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• Constant Field Values

tSTRING_BEG

public static final int tSTRING_BEG

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• Constant Field Values

tXSTRING_BEG

public static final int tXSTRING_BEG

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• Constant Field Values

tREGEXP_BEG

public static final int tREGEXP_BEG

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• Constant Field Values

tWORDS_BEG

public static final int tWORDS_BEG

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• Constant Field Values

tQWORDS_BEG

public static final int tQWORDS_BEG

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• Constant Field Values

tSTRING_DBEG

public static final int tSTRING_DBEG

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• Constant Field Values

tSTRING_DVAR

public static final int tSTRING_DVAR

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• Constant Field Values

tSTRING_END

public static final int tSTRING_END

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• Constant Field Values

tLAMBDA

public static final int tLAMBDA

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• Constant Field Values

tLAMBEG

public static final int tLAMBEG

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• Constant Field Values

tNTH_REF

public static final int tNTH_REF

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• Constant Field Values

tBACK_REF

public static final int tBACK_REF

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• Constant Field Values

tSTRING_CONTENT

public static final int tSTRING_CONTENT

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• Constant Field Values

tINTEGER

public static final int tINTEGER

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• Constant Field Values

tIMAGINARY

public static final int tIMAGINARY

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• Constant Field Values

tFLOAT

public static final int tFLOAT

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• Constant Field Values

tRATIONAL

public static final int tRATIONAL

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• Constant Field Values

tREGEXP_END

public static final int tREGEXP_END

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• Constant Field Values

tSYMBOLS_BEG

public static final int tSYMBOLS_BEG

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• Constant Field Values

tQSYMBOLS_BEG

public static final int tQSYMBOLS_BEG

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• Constant Field Values

tDSTAR

public static final int tDSTAR

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• Constant Field Values

tSTRING_DEND

public static final int tSTRING_DEND

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• Constant Field Values

tLABEL_END

public static final int tLABEL_END

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• Constant Field Values

tSP

public static final int tSP

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• Constant Field Values

tLOWEST

public static final int tLOWEST

See Also:

• Constant Field Values

yyErrorCode

public static final int yyErrorCode

See Also:

• Constant Field Values

yyFinal

protected static final int yyFinal

number of final state.

See Also:

• Constant Field Values

yyLhs

protected static final short[] yyLhs

parser tables. Order is mandated by jay.

yyLen

protected static final short[] yyLen

parser tables. Order is mandated by jay.

yyDefRed

protected static final short[] yyDefRed

parser tables. Order is mandated by jay.

yyDgoto

protected static final short[] yyDgoto

parser tables. Order is mandated by jay.

yySindex

protected static final short[] yySindex

parser tables. Order is mandated by jay.

yyRindex

protected static final short[] yyRindex

parser tables. Order is mandated by jay.

yyGindex

protected static final short[] yyGindex

parser tables. Order is mandated by jay.

yyTable

protected static final short[] yyTable

yyCheck

protected static final short[] yyCheck

yyNames

protected static final String[] yyNames

maps symbol value to printable name.

See Also:

• yyExpecting(int)

yyRule

protected static final String[] yyRule

printable rules for debugging.

yydebug

protected YYDebug yydebug

NEEDS_TOKEN

private static final int NEEDS_TOKEN

See Also:

• Constant Field Values

DEFAULT

private static final int DEFAULT

See Also:

• Constant Field Values

YYMAX

private static final int YYMAX

See Also:

• Constant Field Values

states

static ParserState[] states

Constructor Details

RubyParser

public RubyParser(LexerSource source,
 IRubyWarnings warnings)

RubyParser

@Deprecated
public RubyParser(LexerSource source)

Deprecated.

RubyParser

@Deprecated
public RubyParser(ParserSupport support,
 LexerSource source)

Deprecated.

Method Details

setWarnings

public void setWarnings(IRubyWarnings warnings)

yyName

public static String yyName(int token)

index-checked interface to yyNames.

Parameters:

token - single character or %token value.

Returns:

token name or [illegal] or [unknown].

yyExpecting

protected String[] yyExpecting(int state)

computes list of expected tokens on error by tracing the tables.

Parameters:

state - for which to compute the list.

Returns:

list of token names.

yyparse

public Object yyparse(RubyLexer yyLex,
 Object ayydebug)
               throws IOException

the generated parser, with debugging messages. Maintains a dynamic state and value stack.

Parameters:

yyLex - scanner.

ayydebug - debug message writer implementing yyDebug, or null.

Returns:

result of the last reduction, if any.

Throws:

IOException

initializeStates

private static void initializeStates(ProductionState[] states,
 int start,
 int length)

printstates

private static void printstates(int yytop,
 ProductionState[] yystates)

yyparse

public Object yyparse(RubyLexer yyLex)
               throws IOException

the generated parser. Maintains a dynamic state and value stack.

Parameters:

yyLex - scanner.

Returns:

result of the last reduction, if any.

Throws:

IOException

parse

public RubyParserResult parse(ParserConfiguration configuration)
                       throws IOException

The parse method use an lexer stream and parse it to an AST node structure

Throws:

IOException