opendap.servers.parsers

Interface CeParser.Lexer

Enclosing class:

CeParser

public static interface CeParser.Lexer

Communication interface between the scanner and the Bison-generated parser CeParser.

Field Summary

Fields

Modifier and Type	Field and Description
static int	EOF Token returned by the scanner to signal the end of its input.
static int	SCAN_NUMBERCONST Token number,to be returned by the scanner.
static int	SCAN_STRINGCONST Token number,to be returned by the scanner.
static int	SCAN_WORD Token number,to be returned by the scanner.

Method Summary

Methods

Modifier and Type	Method and Description
Object	getLVal() Method to retrieve the semantic value of the last scanned token.
void	yyerror(String msg) Entry point for error reporting.
int	yylex() Entry point for the scanner.

Field Detail

EOF

static final int EOF

Token returned by the scanner to signal the end of its input.

See Also:

Constant Field Values

SCAN_WORD

static final int SCAN_WORD

Token number,to be returned by the scanner.

See Also:

Constant Field Values

SCAN_STRINGCONST

static final int SCAN_STRINGCONST

Token number,to be returned by the scanner.

See Also:

Constant Field Values

SCAN_NUMBERCONST

static final int SCAN_NUMBERCONST

Token number,to be returned by the scanner.

See Also:

Constant Field Values

Method Detail

getLVal

Object getLVal()

Method to retrieve the semantic value of the last scanned token.

Returns:

the semantic value of the last scanned token.

yylex

int yylex()
          throws ParseException

Entry point for the scanner. Returns the token identifier corresponding to the next token and prepares to return the semantic value of the token.

Returns:

the token identifier corresponding to the next token.

Throws:

ParseException

yyerror

void yyerror(String msg)

Entry point for error reporting. Emits an error in a user-defined way.

Parameters:

msg - The string for the error message.