casacore::ImageExprGram_global_functions_ImageExprGramFunctions Struct Reference

More...

#include <ImageExprGram.h>

Public Member Functions
int	imageExprGramParseCommand (const String &command)
	Declare the bison parser (is implemented by bison command). More...
void	ImageExprGramerror (const char *)
	The yyerror function for the parser. More...
Int &	imageExprGramPosition ()
	Give the current position in the string. More...
int	imageExprGramInput (char *buf, int max_size)
	Declare the input routine for flex/bison. More...
String	imageExprGramRemoveEscapes (const String &in)
	A function to remove escaped characters. More...
String	imageExprGramRemoveQuotes (const String &in)
	A function to remove quotes from a quoted string. More...

Detailed Description

Global functions for flex/bison scanner/parser for ImageExprGram

Intended use:

Internal

Prerequisite

• ImageExprGram.l and.y (flex and bison grammar)

Synopsis

Global functions are needed to define the input of the flex scanner and to start the bison parser. The input is taken from a string.

Motivation

It is necessary to be able to give an image expression in ASCII. This can be used in glish.

Definition at line 72 of file ImageExprGram.h.

Member Function Documentation

ImageExprGramerror()

void casacore::ImageExprGram_global_functions_ImageExprGramFunctions::ImageExprGramerror

(

const char *

)

The yyerror function for the parser.

It throws an exception with the current token.

imageExprGramInput()

int casacore::ImageExprGram_global_functions_ImageExprGramFunctions::imageExprGramInput	(	char *	buf,
		int	max_size
	)

Declare the input routine for flex/bison.

imageExprGramParseCommand()

int casacore::ImageExprGram_global_functions_ImageExprGramFunctions::imageExprGramParseCommand

(

const String &

command

)

Declare the bison parser (is implemented by bison command).

imageExprGramPosition()

Int& casacore::ImageExprGram_global_functions_ImageExprGramFunctions::imageExprGramPosition

(

)

Give the current position in the string.

This can be used when parse errors occur.

imageExprGramRemoveEscapes()

String casacore::ImageExprGram_global_functions_ImageExprGramFunctions::imageExprGramRemoveEscapes

(

const String &

in

)

A function to remove escaped characters.

imageExprGramRemoveQuotes()

String casacore::ImageExprGram_global_functions_ImageExprGramFunctions::imageExprGramRemoveQuotes

(

const String &

in

)

A function to remove quotes from a quoted string.

---

The documentation for this struct was generated from the following file:

• images/Images/ImageExprGram.h