oracle.javatools.parser.plsql.syntax
Class PlsqlDriver

java.lang.Object
  oracle.javatools.parser.plsql.syntax.PlsqlDriver

All Implemented Interfaces:

PtnodConstants, PlsqlTokens, SqlTokens, PtnodInternals

public class PlsqlDriver
extends java.lang.Object

Nested Class Summary

protected static class

BaseSqlLayer.Context

Field Summary

protected int	curToken The current lexer token.
protected int	errorCount The number of errors.
protected int	handlerDepth The exception handler depth.
protected int	lastCheckpoint The last checkpoint.
protected int	lastEndOffset The end offset of the previous token.
protected int	lastErrorOffset The offset of the last error
protected oracle.javatools.parser.plsql.syntax.BaseSqlLexer	lexer The associated PlsqlLexer.
static int	PTERR_ALTER_ATTR_MODIFY
static int	PTERR_ALTER_TYPE
static int	PTERR_base Base value for PTERR_* constants.
static int	PTERR_EXPECTING_IDENTIFIER
static int	PTERR_EXPECTING_N
static int	PTERR_EXPECTING_STRING
static int	PTERR_INTERNAL_ERROR
static int	PTERR_INVALID_INTERVAL
static int	PTERR_INVALID_PREDICATE
static int	PTERR_INVALID_TYPE_DEF
static int	PTERR_NOT_IMPLEMENTED_YET
static int	PTERR_PARAMETER_STYLE
static int	PTERR_PARTITION
static int	PTERR_SQLJ_USING
static int	PTERR_UNEXPECTED_TOKEN
static int	QCERR_EXPECTING_IDENTIFIER
static int	QCERR_INVALID_CASE
static int	QCERR_INVALID_DBNM
static int	QCERR_INVALID_EXPRESSION
static int	QCERR_INVALID_HEURISTIC
static int	QCERR_INVALID_INTERVAL
static int	QCERR_INVALID_JOIN
static int	QCERR_INVALID_LOCK_TABLE
static int	QCERR_INVALID_PREDICATE
static int	QCERR_INVALID_USING
static int	QCERR_LISTSIZE_MISMATCH
static int	QCERR_MISSING_EXPRESSION
static int	QCERR_NO_ALIAS
static int	QCERR_NO_CUBE_ROLLUP
static int	QCERR_NO_INLINE_VIEW
static int	QCERR_NO_LIST_OPERANDS
static int	QCERR_NO_SAMPLE
static int	QCERR_RELOP_NEED_ANYALL
static int	QCERR_SUBQUERY_REQUIRED
static int	QCERR_TOO_MANY_OPERANDS
static int	QCERR_UNEXPECTED_EOS
static int	QCERR_UNKNOWN
static int	QCERR_UNRECOGNISED_PIVOT_CLAUSE
static int	QCERR_UNRECOGNISED_UNPIVOT_CLAUSE
protected static oracle.javatools.resource.BundleHelper	resources
protected PtnodRoot	root The root node of the parse tree.
protected SqlDriver	sql The associated SqlDriver.
protected oracle.javatools.parser.plsql.syntax.PlsqlLayer1.SqlTextBuffer	sqlTextBuffer The ReadTextBuffer instance that is given to the SqlDriver.
protected AST[]	stack The AST stack.
protected int	stackHeight The depth of the AST stack.
protected AST	stackTop The top of the AST stack.
protected ReadTextBuffer	textBuffer The input text buffer.

Fields inherited from interface oracle.javatools.parser.plsql.PlsqlTokens

KW_A, KW_ADD, KW_AGENT, KW_AGGREGATE, KW_ALL, KW_ALTER, KW_AND, KW_ANY, KW_ARRAY, KW_AS, KW_ASC, KW_AT, KW_ATTRIBUTE, KW_AUTHID, KW_AVG, KW_base, KW_BEGIN, KW_BETWEEN, KW_BFILE_BASE, KW_BINARY, KW_BLOB_BASE, KW_BLOCK, KW_BODY, KW_BOTH, KW_BOUND, KW_BULK, KW_BY, KW_BYTE, KW_C, KW_CALL, KW_CALLING, KW_CASCADE, KW_CASE, KW_CHAR, KW_CHAR_BASE, KW_CHARACTER, KW_CHARSET, KW_CHARSETFORM, KW_CHARSETID, KW_CHECK, KW_CLOB_BASE, KW_CLOSE, KW_CLUSTER, KW_CLUSTERS, KW_COLAUTH, KW_COLLECT, KW_COLUMNS, KW_COMMENT, KW_COMMIT, KW_COMMITTED, KW_COMPILED, KW_COMPRESS, KW_CONNECT, KW_CONSTANT, KW_CONSTRUCTOR, KW_CONTEXT, KW_CONVERT, KW_COUNT, KW_CRASH, KW_CREATE, KW_CURRENT, KW_CURSOR, KW_CUSTOMDATUM, KW_DANGLING, KW_DATA, KW_DATE, KW_DATE_BASE, KW_DAY, KW_DECIMAL, KW_DECLARE, KW_DEFAULT, KW_DEFINE, KW_DELETE, KW_DESC, KW_DETERMINISTIC, KW_DISTINCT, KW_DOUBLE, KW_DROP, KW_DURATION, KW_ELEMENT, KW_ELSE, KW_ELSIF, KW_EMPTY, KW_END, KW_ESCAPE, KW_EXCEPT, KW_EXCEPTION, KW_EXCEPTIONS, KW_EXCLUSIVE, KW_EXECUTE, KW_EXISTS, KW_EXIT, KW_EXTERNAL, KW_FETCH, KW_FINAL, KW_FIXED, KW_FLOAT, KW_FOR, KW_FORALL, KW_FORCE, KW_FORM, KW_FROM, KW_FUNCTION, KW_GENERAL, KW_GOTO, KW_GRANT, KW_GROUP, KW_HASH, KW_HAVING, KW_HEAP, KW_HIDDEN, KW_HOUR, KW_IDENTIFIED, KW_IF, KW_IMMEDIATE, KW_IN, KW_INCLUDING, KW_INDEX, KW_INDEXES, KW_INDICATOR, KW_INDICES, KW_INFINITE, KW_INSERT, KW_INSTANTIABLE, KW_INT, KW_INTERFACE, KW_INTERSECT, KW_INTERVAL, KW_INTO, KW_INVALIDATE, KW_IS, KW_ISOLATION, KW_JAVA, KW_LANGUAGE, KW_LARGE, KW_LEADING, KW_LENGTH, KW_LEVEL, KW_LIBRARY, KW_LIKE, KW_LIMIT, KW_LIMITED, KW_LOCAL, KW_LOCK, KW_LONG, KW_LOOP, KW_MAP, KW_max, KW_MAX, KW_MAXLEN, KW_MEMBER, KW_MERGE, KW_MIN, KW_MINUS, KW_MINUTE, KW_MOD, KW_MODE, KW_MODIFY, KW_MONTH, KW_MULTISET, KW_NAME, KW_NAN, KW_NATIONAL, KW_NATIVE, KW_NCHAR, KW_NEW, KW_NOCOMPRESS, KW_NOCOPY, KW_NOT, KW_NOWAIT, KW_NULL, KW_NUMBER_BASE, KW_OBJECT, KW_OCICOLL, KW_OCIDATE, KW_OCIDATETIME, KW_OCIDURATION, KW_OCIINTERVAL, KW_OCILOBLOCATOR, KW_OCINUMBER, KW_OCIRAW, KW_OCIREF, KW_OCIREFCURSOR, KW_OCIROWID, KW_OCISTRING, KW_OCITYPE, KW_OF, KW_ON, KW_ONLY, KW_OPAQUE, KW_OPEN, KW_OPERATOR, KW_OPTION, KW_OR, KW_ORACLE, KW_ORADATA, KW_ORDER, KW_ORGANIZATION, KW_ORLANY, KW_ORLVARY, KW_OTHERS, KW_OUT, KW_OVERLAPS, KW_OVERRIDING, KW_PACKAGE, KW_PARALLEL_ENABLE, KW_PARAMETER, KW_PARAMETERS, KW_PARTITION, KW_PASCAL, KW_PIPE, KW_PIPELINED, KW_PRAGMA, KW_PRECISION, KW_PRIOR, KW_PRIVATE, KW_PROCEDURE, KW_PUBLIC, KW_RAISE, KW_RANGE, KW_RAW, KW_READ, KW_RECORD, KW_REF, KW_REFERENCE, KW_REM, KW_REMAINDER, KW_RENAME, KW_REPLACE, KW_RESOURCE, KW_RESULT, KW_RETURN, KW_RETURNING, KW_REVERSE, KW_REVOKE, KW_ROLLBACK, KW_ROW, KW_SAMPLE, KW_SAVE, KW_SAVEPOINT, KW_SB1, KW_SB2, KW_SB4, KW_SECOND, KW_SEGMENT, KW_SELECT, KW_SELF, KW_SEPARATE, KW_SEQUENCE, KW_SERIALIZABLE, KW_SET, KW_SHARE, KW_SHORT, KW_SIZE, KW_SIZE_T, KW_SOME, KW_SPARSE, KW_SQL, KW_SQLCODE, KW_SQLDATA, KW_SQLNAME, KW_SQLSTATE, KW_STANDARD, KW_START, KW_STATIC, KW_STDDEV, KW_STORED, KW_STRING, KW_STRUCT, KW_STYLE, KW_SUBMULTISET, KW_SUBPARTITION, KW_SUBSTITUTABLE, KW_SUBTYPE, KW_SUM, KW_SYNONYM, KW_TABAUTH, KW_TABLE, KW_TDO, KW_THE, KW_THEN, KW_TIME, KW_TIMESTAMP, KW_TIMEZONE_ABBR, KW_TIMEZONE_HOUR, KW_TIMEZONE_MINUTE, KW_TIMEZONE_REGION, KW_TO, KW_TRAILING, KW_TRANSAC, KW_TRANSACTIONAL, KW_TRUSTED, KW_TYPE, KW_UB1, KW_UB2, KW_UB4, KW_UNDER, KW_UNION, KW_UNIQUE, KW_UNSIGNED, KW_UNTRUSTED, KW_UPDATE, KW_USE, KW_USING, KW_VALIST, KW_VALUE, KW_VALUES, KW_VARIABLE, KW_VARIANCE, KW_VARRAY, KW_VARYING, KW_VIEW, KW_VIEWS, KW_VOID, KW_WHEN, KW_WHERE, KW_WHILE, KW_WITH, KW_words, KW_WORK, KW_WRAPPED, KW_WRITE, KW_YEAR, KW_ZONE

Fields inherited from interface oracle.javatools.parser.plsql.SqlTokens

OP_AMPERSAND, OP_ARROW, OP_ASSIGN, OP_ATSIGN, OP_base, OP_CAT, OP_COLON, OP_COMMA, OP_DBLDOT, OP_DOT, OP_ELLIPSIS, OP_EQUAL, OP_EXP, OP_GREATER, OP_GTEQL, OP_L_LBL, OP_LBRKT, OP_LESS, OP_LPAREN, OP_LTEQ, OP_max, OP_MINUS, OP_NOTEQL1, OP_NOTEQL2, OP_NOTEQL3, OP_NOTEQL4, OP_OR, OP_OUTERJOIN, OP_PERCENT, OP_PLUS, OP_R_LBL, OP_RBRKT, OP_RPAREN, OP_SEMICLN, OP_SHRIEK, OP_SLASH, OP_STAR, OP_words, TK_BIND_VAR, TK_EOS, TK_IDENTIFIER, TK_invalid, TK_INVALID, TK_MULTI_COMMENT, TK_N, TK_QUOTED_IDENTIFIER, TK_SINGLE_COMMENT, TK_STRING

Fields inherited from interface oracle.javatools.parser.plsql.symtab.PtnodInternals

PTNOD_BLOCK, PTNOD_FMLPART

Fields inherited from interface oracle.javatools.parser.plsql.data.PtnodConstants

PTNOD_ADT, PTNOD_ADT_CMPON_OBJECT, PTNOD_ADT_CMPON_SUBPRG, PTNOD_ADTBODY, PTNOD_ADTBODY_SUBPRG, PTNOD_base, PTNOD_C_ARRAY_DEF, PTNOD_CURSOR, PTNOD_ENUM_TY_DEF, PTNOD_ERROR, PTNOD_LITERAL, PTNOD_max, PTNOD_NAME, PTNOD_PKG, PTNOD_RECORD_TY_DEF, PTNOD_REF_CURSOR_TY_DEF, PTNOD_ROOT, PTNOD_SUBPRG, PTNOD_SUBTY_DEF, PTNOD_TABLE_TYPE, PTNOD_TBL_TY_DEF, PTNOD_TY_DEF, PTNOD_TYPE, PTNOD_UNCNSTRNED_ARRAY_DEF, PTNOD_VARIABLE, QCNOD_EXPRESSION

Constructor Summary

PlsqlDriver()

Method Summary

protected void	_asn_expr_opt()
protected void	_end()
protected void	_end(int tk)
protected void	adt_prag()
protected void	aggr()
protected void	all_or_distinct_opt()
protected AST	allocateNode(int kind)
protected void	array_ty_def()
protected void	authid_opt()
protected void	basic_decl_item_opt_seq()
protected void	begin_exception_handler()
protected void	begin_stmt_exc()
protected void	call_statement()
protected void	charset_csname()
protected void	charset_spec_opt()
protected boolean	checkpoint()
protected void	compilation_unit()
protected void	constrt_opt()
protected void	datetime_expanded_n()
protected void	datetime_link_expanded_n()
protected void	dblink()
protected void	designator_opt()
protected void	designator()
protected void	dscr_rng()
protected void	end_exception_handler()
protected void	error(int code)
protected void	error(int code, java.lang.String message)
protected void	errorExpecting(int tk)
protected void	errorExpecting(int tk1, int tk2)
protected void	errorUnexpected()
protected void	expanded_n()
protected void	expr()
protected void	finishNode()
protected void	fml_part_opt()
protected void	form()
protected void	identifier_opt()
protected void	identifier()
protected static boolean	idn(int tk)
protected void	internalError()
protected void	ips() Initialize Parsing State
protected void	labeled_block_stmt()
protected void	labeled_nonblock_stmt()
protected void	labeled_stmt()
protected void	link_expanded_n()
static java.lang.String	lookupErrorMessage(int code)
protected boolean	loop_sql_stmt()
protected void	name()
protected void	nextToken(int tk) Require that the current token match the given parameter.
protected void	nextToken(int tk1, int tk2) Require that the current token match one of the given parameters.
protected boolean	node(int ty) Pushes a node of the specified type onto the stack.
protected void	notImplementedYet(java.lang.String message)
protected void	object()
protected void	optional_alter_arrays()
protected void	optional_alter_types()
protected boolean	optionalToken(int tk) If the current token matches the given parameter, consume it and return true.
protected boolean	optionalToken(int tk1, int tk2) If the current token matches one of the given parameters, consume it and return true.
PlsqlRoot	ph1drv()
protected void	pkg()
protected void	pop() Pops a node off the top of the stack.
protected void	prag_opt_seq()
protected void	pri()
protected void	prm_spec_ty_mk()
protected void	restore_context(BaseSqlLayer.Context context) Restores the saved lexer context.
protected void	rng()
protected BaseSqlLayer.Context	save_context() Saves the current lexer context.
void	setTextBuffer(ReadTextBuffer textBuffer) Convenience method that calls through to the lexer's setTextBuffer method.
protected void	sim_expr()
protected void	skipToken() Consumes the current token.
protected void	sort_specification_list()
protected boolean	sql_stmt()
protected void	subprg()
protected boolean	subquery_check()
protected void	subty_ind()
protected void	tbl_ty_def()
protected void	ty_def()
protected void	ty_mk()
protected void	ty()

Methods inherited from class java.lang.Object

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

Field Detail

sql

protected SqlDriver sql

The associated SqlDriver.

sqlTextBuffer

protected oracle.javatools.parser.plsql.syntax.PlsqlLayer1.SqlTextBuffer sqlTextBuffer

The ReadTextBuffer instance that is given to the SqlDriver.

curToken

protected int curToken

The current lexer token.

lastEndOffset

protected int lastEndOffset

The end offset of the previous token.

handlerDepth

protected int handlerDepth

The exception handler depth. If any exception handler is active, then we throw RuntimeExceptions in order to unroll the stack.

lexer

protected oracle.javatools.parser.plsql.syntax.BaseSqlLexer lexer

The associated PlsqlLexer.

textBuffer

protected ReadTextBuffer textBuffer

The input text buffer.

stackTop

protected AST stackTop

The top of the AST stack.

stack

protected AST[] stack

The AST stack.

stackHeight

protected int stackHeight

The depth of the AST stack.

root

protected PtnodRoot root

The root node of the parse tree.

lastCheckpoint

protected int lastCheckpoint

The last checkpoint.

errorCount

protected int errorCount

The number of errors.

lastErrorOffset

protected int lastErrorOffset

The offset of the last error

resources

protected static final oracle.javatools.resource.BundleHelper resources

PTERR_base

public static final int PTERR_base

Base value for PTERR_* constants.

See Also:

Constant Field Values

PTERR_ALTER_ATTR_MODIFY

public static final int PTERR_ALTER_ATTR_MODIFY

See Also:

Constant Field Values

PTERR_ALTER_TYPE

public static final int PTERR_ALTER_TYPE

See Also:

Constant Field Values

PTERR_EXPECTING_IDENTIFIER

public static final int PTERR_EXPECTING_IDENTIFIER

See Also:

Constant Field Values

PTERR_EXPECTING_N

public static final int PTERR_EXPECTING_N

See Also:

Constant Field Values

PTERR_EXPECTING_STRING

public static final int PTERR_EXPECTING_STRING

See Also:

Constant Field Values

PTERR_INTERNAL_ERROR

public static final int PTERR_INTERNAL_ERROR

See Also:

Constant Field Values

PTERR_INVALID_INTERVAL

public static final int PTERR_INVALID_INTERVAL

See Also:

Constant Field Values

PTERR_INVALID_PREDICATE

public static final int PTERR_INVALID_PREDICATE

See Also:

Constant Field Values

PTERR_INVALID_TYPE_DEF

public static final int PTERR_INVALID_TYPE_DEF

See Also:

Constant Field Values

PTERR_NOT_IMPLEMENTED_YET

public static final int PTERR_NOT_IMPLEMENTED_YET

See Also:

Constant Field Values

PTERR_PARAMETER_STYLE

public static final int PTERR_PARAMETER_STYLE

See Also:

Constant Field Values

PTERR_PARTITION

public static final int PTERR_PARTITION

See Also:

Constant Field Values

PTERR_SQLJ_USING

public static final int PTERR_SQLJ_USING

See Also:

Constant Field Values

PTERR_UNEXPECTED_TOKEN

public static final int PTERR_UNEXPECTED_TOKEN

See Also:

Constant Field Values

QCERR_EXPECTING_IDENTIFIER

public static final int QCERR_EXPECTING_IDENTIFIER

See Also:

Constant Field Values

QCERR_INVALID_CASE

public static final int QCERR_INVALID_CASE

See Also:

Constant Field Values

QCERR_INVALID_DBNM

public static final int QCERR_INVALID_DBNM

See Also:

Constant Field Values

QCERR_INVALID_EXPRESSION

public static final int QCERR_INVALID_EXPRESSION

See Also:

Constant Field Values

QCERR_INVALID_HEURISTIC

public static final int QCERR_INVALID_HEURISTIC

See Also:

Constant Field Values

QCERR_INVALID_INTERVAL

public static final int QCERR_INVALID_INTERVAL

See Also:

Constant Field Values

QCERR_INVALID_JOIN

public static final int QCERR_INVALID_JOIN

See Also:

Constant Field Values

QCERR_INVALID_LOCK_TABLE

public static final int QCERR_INVALID_LOCK_TABLE

See Also:

Constant Field Values

QCERR_INVALID_PREDICATE

public static final int QCERR_INVALID_PREDICATE

See Also:

Constant Field Values

QCERR_INVALID_USING

public static final int QCERR_INVALID_USING

See Also:

Constant Field Values

QCERR_LISTSIZE_MISMATCH

public static final int QCERR_LISTSIZE_MISMATCH

See Also:

Constant Field Values

QCERR_MISSING_EXPRESSION

public static final int QCERR_MISSING_EXPRESSION

See Also:

Constant Field Values

QCERR_NO_ALIAS

public static final int QCERR_NO_ALIAS

See Also:

Constant Field Values

QCERR_NO_CUBE_ROLLUP

public static final int QCERR_NO_CUBE_ROLLUP

See Also:

Constant Field Values

QCERR_NO_INLINE_VIEW

public static final int QCERR_NO_INLINE_VIEW

See Also:

Constant Field Values

QCERR_NO_LIST_OPERANDS

public static final int QCERR_NO_LIST_OPERANDS

See Also:

Constant Field Values

QCERR_NO_SAMPLE

public static final int QCERR_NO_SAMPLE

See Also:

Constant Field Values

QCERR_RELOP_NEED_ANYALL

public static final int QCERR_RELOP_NEED_ANYALL

See Also:

Constant Field Values

QCERR_SUBQUERY_REQUIRED

public static final int QCERR_SUBQUERY_REQUIRED

See Also:

Constant Field Values

QCERR_TOO_MANY_OPERANDS

public static final int QCERR_TOO_MANY_OPERANDS

See Also:

Constant Field Values

QCERR_UNEXPECTED_EOS

public static final int QCERR_UNEXPECTED_EOS

See Also:

Constant Field Values

QCERR_UNKNOWN

public static final int QCERR_UNKNOWN

See Also:

Constant Field Values

QCERR_UNRECOGNISED_PIVOT_CLAUSE

public static final int QCERR_UNRECOGNISED_PIVOT_CLAUSE

See Also:

Constant Field Values

QCERR_UNRECOGNISED_UNPIVOT_CLAUSE

public static final int QCERR_UNRECOGNISED_UNPIVOT_CLAUSE

See Also:

Constant Field Values

Constructor Detail

PlsqlDriver

public PlsqlDriver()

Method Detail

ph1drv

public PlsqlRoot ph1drv()

compilation_unit

protected final void compilation_unit()

basic_decl_item_opt_seq

protected final void basic_decl_item_opt_seq()

_asn_expr_opt

protected final void _asn_expr_opt()

form

protected final void form()

subprg

protected final void subprg()

prm_spec_ty_mk

protected final void prm_spec_ty_mk()

fml_part_opt

protected final void fml_part_opt()

sort_specification_list

protected final void sort_specification_list()

pkg

protected final void pkg()

ty

protected final void ty()

object

protected final void object()

optional_alter_arrays

protected final void optional_alter_arrays()

optional_alter_types

protected final void optional_alter_types()

begin_stmt_exc

protected final void begin_stmt_exc()

_end

protected final void _end()

_end

protected final void _end(int tk)

labeled_stmt

protected final void labeled_stmt()

labeled_block_stmt

protected final void labeled_block_stmt()

labeled_nonblock_stmt

protected final void labeled_nonblock_stmt()

call_statement

protected final void call_statement()

expr

protected final void expr()

sim_expr

protected final void sim_expr()

pri

protected final void pri()

name

protected final void name()

aggr

protected final void aggr()

all_or_distinct_opt

protected final void all_or_distinct_opt()

dscr_rng

protected final void dscr_rng()

rng

protected final void rng()

subquery_check

protected final boolean subquery_check()

ty_def

protected final void ty_def()

ty_mk

protected final void ty_mk()

array_ty_def

protected final void array_ty_def()

tbl_ty_def

protected final void tbl_ty_def()

charset_spec_opt

protected final void charset_spec_opt()

subty_ind

protected final void subty_ind()

constrt_opt

protected final void constrt_opt()

errorExpecting

protected void errorExpecting(int tk)

errorExpecting

protected void errorExpecting(int tk1,
                              int tk2)

prag_opt_seq

protected final void prag_opt_seq()

adt_prag

protected final void adt_prag()

authid_opt

protected final void authid_opt()

identifier

protected final void identifier()

identifier_opt

protected final void identifier_opt()

designator

protected final void designator()

designator_opt

protected final void designator_opt()

expanded_n

protected final void expanded_n()

link_expanded_n

protected final void link_expanded_n()

datetime_expanded_n

protected final void datetime_expanded_n()

datetime_link_expanded_n

protected final void datetime_link_expanded_n()

dblink

protected final void dblink()

charset_csname

protected final void charset_csname()

idn

protected static boolean idn(int tk)

Returns:

True if the token may be used as a identifier.

loop_sql_stmt

protected final boolean loop_sql_stmt()

sql_stmt

protected final boolean sql_stmt()

allocateNode

protected AST allocateNode(int kind)

finishNode

protected void finishNode()

ips

protected void ips()

Initialize Parsing State

save_context

protected BaseSqlLayer.Context save_context()

Saves the current lexer context.

restore_context

protected void restore_context(BaseSqlLayer.Context context)

Restores the saved lexer context.

setTextBuffer

public void setTextBuffer(ReadTextBuffer textBuffer)

Convenience method that calls through to the lexer's setTextBuffer method.

nextToken

protected final void nextToken(int tk)

Require that the current token match the given parameter. If it does, consume the token. If not, generate an error.

nextToken

protected final void nextToken(int tk1,
                               int tk2)

Require that the current token match one of the given parameters. If it does, consume the token. If not, generate an error.

optionalToken

protected final boolean optionalToken(int tk)

If the current token matches the given parameter, consume it and return true. Otherwise, return false.

optionalToken

protected final boolean optionalToken(int tk1,
                                      int tk2)

If the current token matches one of the given parameters, consume it and return true. Otherwise, return false.

skipToken

protected final void skipToken()

Consumes the current token.

node

protected final boolean node(int ty)

Pushes a node of the specified type onto the stack.

Returns:

True if a node of the given type was shifted. If so, the subtree's offsets will have been updated and the lexer position set. Otherwise, false is returned.

pop

protected final void pop()

Pops a node off the top of the stack.

checkpoint

protected final boolean checkpoint()

begin_exception_handler

protected final void begin_exception_handler()

end_exception_handler

protected final void end_exception_handler()

notImplementedYet

protected void notImplementedYet(java.lang.String message)

internalError

protected void internalError()

error

protected void error(int code)

error

protected void error(int code,
                     java.lang.String message)

errorUnexpected

protected void errorUnexpected()

lookupErrorMessage

public static java.lang.String lookupErrorMessage(int code)