public bool ExpandMacro(int statementIdx, List <AssembleError> errorList)
{
StatementElement stmt = Statements[statementIdx];
Macrocall macrocall = stmt.Macrocall;
//マクロ定義を有効なスコープと全セクションから検索する
MacroDefinition macrodef;
if (!FindMacrodef(macrocall.CallerName, out macrodef))
{
errorList.Add(new AssembleError()
{
Title = "Macro expanding",
Detail = "Macro definition '" + macrocall.CallerName + "' not found.",
Position = this.AssemblePosition
});
return(false);
}
//展開先のブロックを作成しする
Block expandedBlock = new Block()
{
AssemblePosition = stmt.Macrocall.AssemblePosition,
Name = stmt.Macrocall.CallerName + "_expanded",
ParentBlock = this,
RootCode = this.RootCode
};
StatementElement expandedStmt = new StatementElement()
{
Type = enumStatementType.Block,
Block = expandedBlock
};
//マクロの内容をコピーする
macrodef.CopyToBlock(expandedBlock);
//置換を行う
if (!expandedStmt.ReplaceByIdentifiers(macrodef.Arguments, macrocall.Operands, errorList))
{
return(false);
}
//マクロ呼出しのラベルを展開先のブロックに設定する
foreach (var lbl in macrocall.Labels)
{
var newLbl = lbl.Clone(expandedBlock.ParentBlock);
expandedBlock.Labels.Add(newLbl);
newLbl.SetLabelPlacedInfo(expandedBlock.PlacedInfo);
}
//マクロ呼出しを削除して展開先ブロックに置き換える
Statements[statementIdx] = expandedStmt;
return(true);
}
public StatementElement Clone(Block parentBlock)
{
var res = new StatementElement()
{
Type = this.Type
};
switch (this.Type)
{
case enumStatementType.Block:
res.Block = this.Block.Clone(parentBlock);
break;
case enumStatementType.Instruction:
res.Instruction = this.Instruction.Clone(parentBlock);
break;
case enumStatementType.Macrocall:
res.Macrocall = this.Macrocall.Clone(parentBlock);
break;
}
return(res);
}
public void AddStatement(StatementElement Statement)
{
statements.Add(Statement);
}
