/*=============================================================================#
 # Copyright (c) 2007, 2019 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.r.core.rlang;


public enum RTerminal {
	
	EOF (""), //$NON-NLS-1$
	BLANK (" "), //$NON-NLS-1$
	LINEBREAK ("\n"), //$NON-NLS-1$
	COMMENT ("#"), //$NON-NLS-1$
	ROXYGEN_COMMENT ("#'"), //$NON-NLS-1$
	UNKNOWN (""), //$NON-NLS-1$
	OTHER (""), //$NON-NLS-1$
	
	BLOCK_OPEN ("{"), //$NON-NLS-1$
	BLOCK_CLOSE ("}"), //$NON-NLS-1$
	GROUP_OPEN ("("), //$NON-NLS-1$
	GROUP_CLOSE (")"), //$NON-NLS-1$
	
	SUB_INDEXED_S_OPEN ("["), //$NON-NLS-1$
	SUB_INDEXED_D_OPEN ("[["), //$NON-NLS-1$
	SUB_INDEXED_CLOSE ("]"), //$NON-NLS-1$
	SUB_NAMED_PART ("$"), //$NON-NLS-1$
	SUB_NAMED_SLOT ("@"), //$NON-NLS-1$
	
	NS_GET ("::"), //$NON-NLS-1$
	NS_GET_INT (":::"), //$NON-NLS-1$
	
	PLUS ("+"), //$NON-NLS-1$
	MINUS ("-"), //$NON-NLS-1$
	MULT ("*"), //$NON-NLS-1$
	DIV ("/"), //$NON-NLS-1$
	OR ("|"), //$NON-NLS-1$
	OR_D ("||"), //$NON-NLS-1$
	AND ("&"), //$NON-NLS-1$
	AND_D ("&&"), //$NON-NLS-1$
	NOT ("!"), //$NON-NLS-1$
	POWER ("^"), //$NON-NLS-1$
	SEQ (":"), //$NON-NLS-1$
	SPECIAL ("%"), //$NON-NLS-1$
	
	QUESTIONMARK ("?"), //$NON-NLS-1$
	COMMA (","), //$NON-NLS-1$
	SEMI (";"), //$NON-NLS-1$
	
	ARROW_LEFT_S ("<-"), //$NON-NLS-1$
	ARROW_LEFT_D ("<<-"), //$NON-NLS-1$
	ARROW_RIGHT_S ("->"), //$NON-NLS-1$
	ARROW_RIGHT_D ("->>"), //$NON-NLS-1$
	EQUAL ("="), //$NON-NLS-1$
	COLON_EQUAL (":="), //$NON-NLS-1$
	TILDE ("~"), //$NON-NLS-1$
	REL_NE ("!="), //$NON-NLS-1$
	REL_EQ ("=="), //$NON-NLS-1$
	REL_LT ("<"), //$NON-NLS-1$
	REL_LE ("<="), //$NON-NLS-1$
	REL_GT (">"), //$NON-NLS-1$
	REL_GE (">="), //$NON-NLS-1$
	
	IF ("if"), //$NON-NLS-1$
	ELSE ("else"), //$NON-NLS-1$
	FOR ("for"), //$NON-NLS-1$
	IN ("in"), //$NON-NLS-1$
	WHILE ("while"), //$NON-NLS-1$
	REPEAT ("repeat"), //$NON-NLS-1$
	NEXT ("next"), //$NON-NLS-1$
	BREAK ("break"), //$NON-NLS-1$
	FUNCTION ("function"), //$NON-NLS-1$
	
	SYMBOL (""), //$NON-NLS-1$
	SYMBOL_G ("`"), //$NON-NLS-1$
	NUM_INT (""), //$NON-NLS-1$
	NUM_NUM (""), //$NON-NLS-1$
	NUM_CPLX (""), //$NON-NLS-1$
	STRING_S ("\'"), //$NON-NLS-1$
	STRING_D ("\""), //$NON-NLS-1$
	
	NULL ("NULL"), //$NON-NLS-1$
	TRUE ("TRUE"), //$NON-NLS-1$
	FALSE ("FALSE"), //$NON-NLS-1$
	NA ("NA"), //$NON-NLS-1$
	NA_INT ("NA_integer_"), //$NON-NLS-1$
	NA_REAL ("NA_real_"), //$NON-NLS-1$
	NA_CPLX ("NA_complex_"), //$NON-NLS-1$
	NA_CHAR ("NA_character_"), //$NON-NLS-1$
	NAN ("NaN"), //$NON-NLS-1$
	INF ("Inf"), //$NON-NLS-1$
	
	;
	
	
	public static final String S_WHITESPACE= " "; //$NON-NLS-1$
	public static final String S_TAB= "\t"; //$NON-NLS-1$
	public static final String S_LINEBREAK_CRLF ="\r\n"; //$NON-NLS-1$
	public static final String S_LINEBREAK_LF ="\r"; //$NON-NLS-1$
	public static final String S_LINEBREAK_CR ="\n"; //$NON-NLS-1$
	public static final String S_COMMENT= "#"; //$NON-NLS-1$
	public static final String S_BLOCK_OPEN= "{"; //$NON-NLS-1$
	public static final String S_BLOCK_CLOSE= "}"; //$NON-NLS-1$
	public static final String S_GROUP_OPEN= "("; //$NON-NLS-1$
	public static final String S_GROUP_CLOSE= ")"; //$NON-NLS-1$
	public static final String S_SUB_INDEXED_S_OPEN= "["; //$NON-NLS-1$
	public static final String S_SUB_INDEXED_D_OPEN= "[["; //$NON-NLS-1$
	public static final String S_SUB_INDEXED_CLOSE= "]"; //$NON-NLS-1$
	public static final String S_SUB_NAMED= "$"; //$NON-NLS-1$
	public static final String S_SUB_AT= "@"; //$NON-NLS-1$
	public static final String S_NS_GET= "::"; //$NON-NLS-1$
	public static final String S_NS_GET_INT= ":::"; //$NON-NLS-1$
	public static final String S_PLUS= "+"; //$NON-NLS-1$
	public static final String S_MINUS= "-"; //$NON-NLS-1$
	public static final String S_MULT= "*"; //$NON-NLS-1$
	public static final String S_DIV= "/"; //$NON-NLS-1$
	public static final String S_OR= "|"; //$NON-NLS-1$
	public static final String S_OR_D= "||"; //$NON-NLS-1$
	public static final String S_AND= "&"; //$NON-NLS-1$
	public static final String S_AND_D= "&&"; //$NON-NLS-1$
	public static final String S_NOT= "!"; //$NON-NLS-1$
	public static final String S_POWER= "^"; //$NON-NLS-1$
	public static final String S_SEQ= ":"; //$NON-NLS-1$
	public static final String S_SPECIAL= "%"; //$NON-NLS-1$
	public static final String S_HELP= "?"; //$NON-NLS-1$
	public static final String S_COMMA= ","; //$NON-NLS-1$
	public static final String S_SEMI= ";"; //$NON-NLS-1$
	public static final String S_ASSIGN_LEFT= "<-"; //$NON-NLS-1$
	public static final String S_ASSIGN_LEFT_D= "<<-"; //$NON-NLS-1$
	public static final String S_ASSIGN_RIGHT= "->"; //$NON-NLS-1$
	public static final String S_ASSIGN_RIGHT_D= "->>"; //$NON-NLS-1$
	public static final String S_EQUAL= "="; //$NON-NLS-1$
	public static final String S_MODEL= "~"; //$NON-NLS-1$
	public static final String S_REL_NE= "!="; //$NON-NLS-1$
	public static final String S_REL_EQ= "=="; //$NON-NLS-1$
	public static final String S_REL_LT= "<"; //$NON-NLS-1$
	public static final String S_REL_LE= "<="; //$NON-NLS-1$
	public static final String S_REL_GT= ">"; //$NON-NLS-1$
	public static final String S_REL_GE= ">="; //$NON-NLS-1$
	public static final String S_IF= "if"; //$NON-NLS-1$
	public static final String S_ELSE= "else"; //$NON-NLS-1$
	public static final String S_FOR= "for"; //$NON-NLS-1$
	public static final String S_IN= "in"; //$NON-NLS-1$
	public static final String S_WHILE= "while"; //$NON-NLS-1$
	public static final String S_REPEAT= "repeat"; //$NON-NLS-1$
	public static final String S_NEXT= "next"; //$NON-NLS-1$
	public static final String S_BREAK= "break"; //$NON-NLS-1$
	public static final String S_FUNCTION= "function"; //$NON-NLS-1$
	public static final String S_ELLIPSIS= "..."; //$NON-NLS-1$
	public static final String S_STRING_S= "\'"; //$NON-NLS-1$
	public static final String S_STRING_D= "\""; //$NON-NLS-1$
	public static final String S_TRUE= "TRUE"; //$NON-NLS-1$
	public static final String S_FALSE= "FALSE"; //$NON-NLS-1$
	public static final String S_NA= "NA"; //$NON-NLS-1$
	public static final String S_NA_INT= "NA_integer_"; //$NON-NLS-1$
	public static final String S_NA_REAL= "NA_real_"; //$NON-NLS-1$
	public static final String S_NA_CPLX= "NA_complex_"; //$NON-NLS-1$
	public static final String S_NA_CHAR= "NA_character_"; //$NON-NLS-1$
	public static final String S_NULL= "NULL"; //$NON-NLS-1$
	public static final String S_NAN= "NaN"; //$NON-NLS-1$
	public static final String S_INF= "Inf"; //$NON-NLS-1$
	
	
	public static String[] textArray(final RTerminal[] list) {
		final String[] texts= new String[list.length];
		for (int i= 0; i < texts.length; i++) {
			texts[i]= list[i].text;
		}
		return texts;
	}
	
	
	public final String text;
	
	RTerminal(final String text) {
		this.text= text;
	}
	
}