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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // GenCCppD.cs - Base for C/C++/D code generators | ||
| // | ||
| // Copyright (C) 2011-2023 Piotr Fusik | ||
| // | ||
| // This file is part of CiTo, see https://github.com/pfusik/cito | ||
| // | ||
| // CiTo is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // CiTo is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with CiTo. If not, see http://www.gnu.org/licenses/ | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
|
|
||
| namespace Foxoft.Ci | ||
| { | ||
|
|
||
| public abstract class GenCCppD : GenTyped | ||
| { | ||
| protected readonly List<CiSwitch> SwitchesWithGoto = new List<CiSwitch>(); | ||
|
|
||
| public override void VisitConst(CiConst statement) | ||
| { | ||
| if (statement.Type is CiArrayStorageType) | ||
| WriteConst(statement); | ||
| } | ||
|
|
||
| public override void VisitBreak(CiBreak statement) | ||
| { | ||
| if (statement.LoopOrSwitch is CiSwitch switchStatement) { | ||
| int gotoId = this.SwitchesWithGoto.IndexOf(switchStatement); | ||
| if (gotoId >= 0) { | ||
| Write("goto ciafterswitch"); | ||
| VisitLiteralLong(gotoId); | ||
| WriteCharLine(';'); | ||
| return; | ||
| } | ||
| } | ||
| base.VisitBreak(statement); | ||
| } | ||
|
|
||
| protected int GetSwitchGoto(CiSwitch statement) | ||
| { | ||
| if (statement.Cases.Any(kase => CiSwitch.HasEarlyBreakAndContinue(kase.Body)) | ||
| || CiSwitch.HasEarlyBreakAndContinue(statement.DefaultBody)) { | ||
| this.SwitchesWithGoto.Add(statement); | ||
| return this.SwitchesWithGoto.Count - 1; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| protected void WriteIfCaseBody(List<CiStatement> body, bool doWhile) | ||
| { | ||
| int length = CiSwitch.LengthWithoutTrailingBreak(body); | ||
| if (doWhile && CiSwitch.HasEarlyBreak(body)) { | ||
| this.Indent++; | ||
| WriteNewLine(); | ||
| Write("do "); | ||
| OpenBlock(); | ||
| WriteFirstStatements(body, length); | ||
| CloseBlock(); | ||
| WriteLine("while (0);"); | ||
| this.Indent--; | ||
| } | ||
| else if (length == 1) | ||
| WriteChild(body[0]); | ||
| else { | ||
| WriteChar(' '); | ||
| OpenBlock(); | ||
| WriteFirstStatements(body, length); | ||
| CloseBlock(); | ||
| } | ||
| } | ||
|
|
||
| protected void EndSwitchAsIfs(CiSwitch statement, int gotoId) | ||
| { | ||
| if (statement.HasDefault()) { | ||
| Write("else"); | ||
| WriteIfCaseBody(statement.DefaultBody, gotoId < 0); | ||
| } | ||
| if (gotoId >= 0) { | ||
| Write("ciafterswitch"); | ||
| VisitLiteralLong(gotoId); | ||
| WriteLine(": ;"); | ||
| } | ||
| } | ||
|
|
||
|
|
||
| } | ||
|
|
||
| } |
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