/*******************************************************************************
 * Copyright (c) 2020 Willink Transformations and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *   E.D.Willink - initial API and implementation
 *******************************************************************************/
model Xtext
import "platform:/resource/org.eclipse.xtext/org/eclipse/xtext/Xtext.ecore#/" as xtext

idiom PARENTHESES {
	at '(' do value no-space;
	at ')' do no-space value;
}
idiom SQUARES {
	at '[' do value no-space;
	at ']' do no-space value;
}
idiom ANGLES {
	at '<' do value no-space;
	at '>' do no-space value;
}
idiom COMMA at ',' do no-space value;
idiom COLON_SEMICOLON {
	at ':' do no-space value push soft-new-line wrap-begin-some;
	at ';' do no-space value pop wrap-end soft-new-line;
}

// Grammar
idiom Grammar_metamodelDeclarations_spacing at assignment xtext::Grammar::metamodelDeclarations do half-new-line value soft-new-line;
idiom Grammar_rules_spacing at assignment xtext::Grammar::rules do half-new-line value half-new-line;


// ParserRule
idiom Parentheses_for_ParserRule for xtext::ParserRule {
	at '(' do no-space value soft-space;
	at ')' do soft-space value soft-space;
}

// TypeRef
idiom ColonColon_for_TypeRef for xtext::TypeRef at '::' do no-space value no-space;

// UnorderedGroup
idiom UnorderedGroup_elements at assignment xtext::UnorderedGroup::elements do no-space value no-space;

// AbstractToken
idiom CardinalityAsterisk_for_AbstractToken for xtext::AbstractElement at '*' do no-space value;
idiom CardinalityPlusSign_for_AbstractToken for xtext::AbstractElement at '+' do no-space value;
idiom CardinalityQuestionMark_for_AbstractToken for xtext::AbstractElement at '?' do no-space value;

// Action
idiom Action_operator at assignment xtext::Action::operator do no-space value no-space;
idiom FullStop_for_Action for xtext::Action at '.' do no-space value no-space;
idiom CurlyBrackets_for_Action for xtext::Action {
	at '{' do value soft-space;
	at '}' do no-space value;
}

// Assignment
idiom Assignment_operator at assignment xtext::Assignment::operator do no-space value no-space;

// CrossReference
idiom VerticalLine_for_CrossReference for xtext::CrossReference at '|' do no-space value no-space;

// TerminalToken
idiom TerminalToken_cardinality at assignment xtext::AbstractElement::cardinality do no-space value;

// NegatedToken
idiom ExclamationMark_for_NegatedToken for xtext::NegatedToken at '!' do value no-space;

// UntilToken
idiom ExclamationMark_for_UntilToken for xtext::UntilToken at '->' do no-space value no-space;

// CharacterRange
idiom FullStopFullStop_for_CharacterRange for xtext::CharacterRange at '..' do no-space value no-space;

// EnumLiteralDeclaration
idiom EqualsSign_for_EnumLiteralDeclaration for xtext::EnumLiteralDeclaration at '=' do no-space value no-space;

// GuardCondition
idiom ExclamationMark_for_UntilTokenNegation for xtext::Negation at '!' do value no-space;
		
// RuleCall
idiom LessThanSign_for_RuleCall for xtext::RuleCall at '<' do no-space value;
		
// NamedArgument
idiom NamedArgument_calledByName at assignment xtext::NamedArgument::calledByName do no-space value no-space;
idiom NamedArgument_value at assignment xtext::NamedArgument::^value do no-space value no-space;
idiom NamedArgument_parameter at assignment xtext::NamedArgument::parameter do no-space value no-space;
		
// @Override
idiom Annotation_CommercialAt for xtext::Annotation at '@' do soft-space value no-space;
// no need to no-space between since no-space soft-space is no-space anyway

idiom Annotation_spacing at assignment xtext::AbstractRule::annotations do half-new-line value soft-new-line;

/** idiom imposing default spacing for leaf terms must be last */
idiom FINAL at final do soft-space value soft-space;