Java 类org.eclipse.jdt.internal.compiler.ast.WhileStatement 实例源码

protected void consumeStatementWhile() {
    // WhileStatement ::= 'while' '(' Expression ')' Statement
    // WhileStatementNoShortIf ::= 'while' '(' Expression ')' StatementNoShortIf

    this.expressionLengthPtr--;
    Statement statement = (Statement) this.astStack[this.astPtr];
    this.astStack[this.astPtr] =
        new WhileStatement(
            this.expressionStack[this.expressionPtr--],
            statement,
            this.intStack[this.intPtr--],
            this.endStatementPosition);
}

@Override
public void endVisit(WhileStatement x, BlockScope scope) {
  try {
    SourceInfo info = makeSourceInfo(x);
    JStatement action = pop(x.action);
    JExpression condition = pop(x.condition);
    push(new JWhileStatement(info, condition, action));
  } catch (Throwable e) {
    throw translateException(x, e);
  }
}

@Override
public boolean visit(WhileStatement x, BlockScope scope) {
  // SEE NOTE ON JDT FORCED OPTIMIZATIONS
  if (isOptimizedFalse(x.condition)) {
    x.action = null;
  }
  return true;
}

@Override public boolean visit(WhileStatement node, BlockScope scope) {
    fixPositions(setGeneratedBy(node, source));
    return super.visit(node, scope);
}

@Override public boolean visit(WhileStatement node, BlockScope scope) {
    fixPositions(setGeneratedBy(node, source));
    return super.visit(node, scope);
}

/**
 * @see org.eclipse.jdt.internal.compiler.ASTVisitor#visit(org.eclipse.jdt.internal.compiler.ast.WhileStatement, org.eclipse.jdt.internal.compiler.lookup.BlockScope)
 */
public boolean visit(WhileStatement whileStatement, BlockScope scope) {

    this.scribe.printNextToken(TerminalTokens.TokenNamewhile);
    final int line = this.scribe.line;
    this.scribe.printNextToken(TerminalTokens.TokenNameLPAREN, this.preferences.insert_space_before_opening_paren_in_while);

    if (this.preferences.insert_space_after_opening_paren_in_while) {
        this.scribe.space();
    }
    whileStatement.condition.traverse(this, scope);

    this.scribe.printNextToken(TerminalTokens.TokenNameRPAREN, this.preferences.insert_space_before_closing_paren_in_while);

    final Statement action = whileStatement.action;
    if (action != null) {
        if (action instanceof Block) {
            formatLeftCurlyBrace(line, this.preferences.brace_position_for_block);
            action.traverse(this, scope);
        } else if (action instanceof EmptyStatement) {
            /*
             * This is an empty statement
             */
            formatNecessaryEmptyStatement();
        } else {
            this.scribe.printNewLine();
            this.scribe.indent();
            action.traverse(this, scope);
            if (action instanceof Expression) {
                this.scribe.printNextToken(TerminalTokens.TokenNameSEMICOLON, this.preferences.insert_space_before_semicolon);
                this.scribe.printComment(CodeFormatter.K_UNKNOWN, Scribe.BASIC_TRAILING_COMMENT);
            }
            this.scribe.unIndent();
        }
    } else {
        /*
         * This is an empty statement
         */
        formatNecessaryEmptyStatement();
    }
    return false;
}

/**
 * @see org.eclipse.jdt.internal.compiler.ASTVisitor#visit(org.eclipse.jdt.internal.compiler.ast.WhileStatement, org.eclipse.jdt.internal.compiler.lookup.BlockScope)
 */
public boolean visit(WhileStatement whileStatement, BlockScope scope) {

    this.scribe.printNextToken(TerminalTokens.TokenNamewhile);
    final int line = this.scribe.line;
    this.scribe.printNextToken(TerminalTokens.TokenNameLPAREN, this.preferences.insert_space_before_opening_paren_in_while);

    if (this.preferences.insert_space_after_opening_paren_in_while) {
        this.scribe.space();
    }
    whileStatement.condition.traverse(this, scope);

    this.scribe.printNextToken(TerminalTokens.TokenNameRPAREN, this.preferences.insert_space_before_closing_paren_in_while);

    final Statement action = whileStatement.action;
    if (action != null) {
        if (action instanceof Block) {
            formatLeftCurlyBrace(line, this.preferences.brace_position_for_block);
            action.traverse(this, scope);
        } else if (action instanceof EmptyStatement) {
            /*
             * This is an empty statement
             */
            formatNecessaryEmptyStatement();
        } else {
            this.scribe.printNewLine();
            this.scribe.indent();
            action.traverse(this, scope);
            if (action instanceof Expression) {
                this.scribe.printNextToken(TerminalTokens.TokenNameSEMICOLON, this.preferences.insert_space_before_semicolon);
                this.scribe.printComment(CodeFormatter.K_UNKNOWN, Scribe.BASIC_TRAILING_COMMENT);
            }
            this.scribe.unIndent();
        }
    } else {
        /*
         * This is an empty statement
         */
        formatNecessaryEmptyStatement();
    }
    return false;
}

@Override public boolean visit(WhileStatement node, BlockScope scope) {
    setGeneratedBy(node, source);
    applyOffsetASTNode(node);
    return super.visit(node, scope);
}