org.eclipse.ocl.parser.backtracking
Class OCLBacktrackingLexer

java.lang.Object
  lpg.lpgjavaruntime.LexStream
      lpg.lpgjavaruntime.LpgLexStream
          org.eclipse.ocl.lpg.AbstractLexer
              org.eclipse.ocl.parser.backtracking.OCLBacktrackingLexer

All Implemented Interfaces:

lpg.lpgjavaruntime.ParseErrorCodes, lpg.lpgjavaruntime.RuleAction, lpg.lpgjavaruntime.TokenStream, OCLBacktrackingLexersym, OCLBacktrackingParsersym

public class OCLBacktrackingLexer
extends AbstractLexer
implements OCLBacktrackingParsersym, OCLBacktrackingLexersym, lpg.lpgjavaruntime.RuleAction

The backtracking variant of the OCL lexer.

Since:

1.3

Field Summary

protected OCLBacktrackingKWLexer	kwLexer
protected boolean	printTokens
static int[]	tokenKind

Fields inherited from class org.eclipse.ocl.lpg.AbstractLexer

ECLIPSE_TAB_VALUE

Fields inherited from interface org.eclipse.ocl.parser.backtracking.OCLBacktrackingParsersym

isValidForParser, orderedTerminalSymbols, TK_allInstances, TK_and, TK_any, TK_ARROW, TK_ATPRE, TK_attr, TK_Bag, TK_BAR, TK_body, TK_Boolean, TK_CARET, TK_CARETCARET, TK_closure, TK_collect, TK_Collection, TK_collectNested, TK_COLON, TK_COLONCOLON, TK_COMMA, TK_context, TK_def, TK_derive, TK_DIVIDE, TK_DOT, TK_DOTDOT, TK_else, TK_endif, TK_endpackage, TK_EOF_TOKEN, TK_EQUAL, TK_ERROR_TOKEN, TK_exists, TK_false, TK_forAll, TK_GREATER, TK_GREATER_EQUAL, TK_IDENTIFIER, TK_if, TK_implies, TK_in, TK_init, TK_Integer, TK_INTEGER_LITERAL, TK_INTEGER_RANGE_START, TK_inv, TK_Invalid, TK_isUnique, TK_iterate, TK_LBRACE, TK_LBRACKET, TK_LESS, TK_LESS_EQUAL, TK_let, TK_LPAREN, TK_MINUS, TK_MULTIPLY, TK_not, TK_NOT_EQUAL, TK_null, TK_NUMERIC_OPERATION, TK_OclAny, TK_oclAsType, TK_OclInvalid, TK_oclIsInState, TK_oclIsInvalid, TK_oclIsKindOf, TK_oclIsNew, TK_oclIsTypeOf, TK_oclIsUndefined, TK_OclMessage, TK_OclVoid, TK_one, TK_oper, TK_or, TK_OrderedSet, TK_package, TK_PLUS, TK_post, TK_pre, TK_QUESTIONMARK, TK_RBRACE, TK_RBRACKET, TK_Real, TK_REAL_LITERAL, TK_reject, TK_RPAREN, TK_select, TK_self, TK_SEMICOLON, TK_Sequence, TK_Set, TK_sortedBy, TK_String, TK_STRING_LITERAL, TK_then, TK_true, TK_Tuple, TK_UnlimitedNatural, TK_xor

Fields inherited from interface org.eclipse.ocl.parser.backtracking.OCLBacktrackingLexersym

Char__, Char_0, Char_1, Char_2, Char_3, Char_4, Char_5, Char_6, Char_7, Char_8, Char_9, Char_a, Char_A, Char_Acute, Char_AfterASCIINotAcute, Char_Ampersand, Char_AtSign, Char_b, Char_B, Char_BackQuote, Char_BackSlash, Char_c, Char_C, Char_Caret, Char_Colon, Char_Comma, Char_CR, Char_CtlCharNotWS, Char_d, Char_D, Char_DollarSign, Char_Dot, Char_DoubleQuote, Char_e, Char_E, Char_EOF, Char_Equal, Char_Exclamation, Char_f, Char_F, Char_FF, Char_g, Char_G, Char_GreaterThan, Char_h, Char_H, Char_HT, Char_i, Char_I, Char_j, Char_J, Char_k, Char_K, Char_l, Char_L, Char_LeftBrace, Char_LeftBracket, Char_LeftParen, Char_LessThan, Char_LF, Char_m, Char_M, Char_Minus, Char_n, Char_N, Char_o, Char_O, Char_p, Char_P, Char_Percent, Char_Plus, Char_q, Char_Q, Char_QuestionMark, Char_r, Char_R, Char_RightBrace, Char_RightBracket, Char_RightParen, Char_s, Char_S, Char_SemiColon, Char_Sharp, Char_SingleQuote, Char_Slash, Char_Space, Char_Star, Char_t, Char_T, Char_Tilde, Char_u, Char_U, Char_v, Char_V, Char_VerticalBar, Char_w, Char_W, Char_x, Char_X, Char_y, Char_Y, Char_z, Char_Z, isValidForParser, orderedTerminalSymbols

Fields inherited from interface lpg.lpgjavaruntime.ParseErrorCodes

BEFORE_CODE, DELETION_CODE, EOF_CODE, ERROR_CODE, errorMsgText, INSERTION_CODE, INVALID_CODE, INVALID_TOKEN_CODE, LEX_ERROR_CODE, MERGE_CODE, MISPLACED_CODE, SCOPE_CODE, SECONDARY_CODE, SUBSTITUTION_CODE

Constructor Summary

OCLBacktrackingLexer(Environment<?,?,?,?,?,?,?,?,?,?,?,?> environment)

OCLBacktrackingLexer(Environment<?,?,?,?,?,?,?,?,?,?,?,?> environment, char[] chars)

OCLBacktrackingLexer(Environment<?,?,?,?,?,?,?,?,?,?,?,?> environment, char[] input_chars, String filename, int tab)

Method Summary

int[]	getKeywordKinds() Queries the token kinds, as defined by my keyword lexer, of tokens that are keywords in by grammar.
int	getKind(int i)
int	getLeftSpan()
Environment<?,?,?,?,?,?,?,?,?,?,?,?>	getOCLEnvironment()
AbstractParser	getParser()
int	getRhsFirstTokenIndex(int i)
int	getRhsLastTokenIndex(int i)
int	getRightSpan()
int	getToken(int i)
void	initialize(char[] content, String filename)
void	lexToTokens(lpg.lpgjavaruntime.Monitor monitor, AbstractParser parser)
String[]	orderedExportedSymbols()
void	ruleAction(int ruleNumber)
void	setInputChars(char[] inputChars)

Methods inherited from class org.eclipse.ocl.lpg.AbstractLexer

computeErrorCode, getEnvironment, getInputChars, initialize, initialize, lexToTokens, reportError

Methods inherited from class lpg.lpgjavaruntime.LexStream

afterEol, badToken, computeLineOffsets, getCharValue, getColumn, getColumnOfCharAt, getEndColumn, getEndLine, getFileName, getFirstErrorToken, getInputChars, getLastErrorToken, getLine, getLine, getLineCount, getLineNumberOfCharAt, getLineOffset, getLineOffsets, getName, getNext, getPrevious, getPrsStream, getStreamIndex, getStreamLength, getTab, getToken, initialize, makeErrorToken, makeToken, peek, reportError, reportError, reportError, reset, reset, setFileName, setLineOffset, setLineOffsets, setPrsStream, setStreamIndex, setStreamLength, setTab

Methods inherited from class java.lang.Object

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

Field Detail

kwLexer

protected OCLBacktrackingKWLexer kwLexer

printTokens

protected boolean printTokens

tokenKind

public static final int[] tokenKind

Constructor Detail

OCLBacktrackingLexer

public OCLBacktrackingLexer(Environment<?,?,?,?,?,?,?,?,?,?,?,?> environment)

OCLBacktrackingLexer

public OCLBacktrackingLexer(Environment<?,?,?,?,?,?,?,?,?,?,?,?> environment,
                            char[] chars)

OCLBacktrackingLexer

public OCLBacktrackingLexer(Environment<?,?,?,?,?,?,?,?,?,?,?,?> environment,
                            char[] input_chars,
                            String filename,
                            int tab)

Method Detail

getOCLEnvironment

public Environment<?,?,?,?,?,?,?,?,?,?,?,?> getOCLEnvironment()

getKeywordKinds

public int[] getKeywordKinds()

Description copied from class: AbstractLexer

Queries the token kinds, as defined by my keyword lexer, of tokens that are keywords in by grammar.

Overrides:

getKeywordKinds in class AbstractLexer

Returns:

my keyword lexer's token kinds

getLeftSpan

public int getLeftSpan()

getParser

public AbstractParser getParser()

getRhsFirstTokenIndex

public int getRhsFirstTokenIndex(int i)

getRhsLastTokenIndex

public int getRhsLastTokenIndex(int i)

getRightSpan

public int getRightSpan()

getToken

public int getToken(int i)

Specified by:

getToken in interface lpg.lpgjavaruntime.TokenStream

Overrides:

getToken in class lpg.lpgjavaruntime.LexStream

initialize

public void initialize(char[] content,
                       String filename)

Overrides:

initialize in class lpg.lpgjavaruntime.LexStream

orderedExportedSymbols

public String[] orderedExportedSymbols()

Specified by:

orderedExportedSymbols in class lpg.lpgjavaruntime.LpgLexStream

setInputChars

public void setInputChars(char[] inputChars)

Overrides:

setInputChars in class lpg.lpgjavaruntime.LexStream

lexToTokens

public void lexToTokens(lpg.lpgjavaruntime.Monitor monitor,
                        AbstractParser parser)

Specified by:

lexToTokens in class AbstractLexer

getKind

public final int getKind(int i)

Specified by:

getKind in interface lpg.lpgjavaruntime.TokenStream

Specified by:

getKind in class lpg.lpgjavaruntime.LpgLexStream

ruleAction

public void ruleAction(int ruleNumber)

Specified by:

ruleAction in interface lpg.lpgjavaruntime.RuleAction