public override void WriteBlock(Context context, Scope scope, TextWriter writer, TextWriter metaWriter,
IStatement statement)
{
if (!(statement is FunctionStatement funcDefStt))
{
throw new InvalidOperationException();
}
var functionName = funcDefStt.Name;
if (scope.IsIdentifierExists(functionName))
{
throw new IdentifierNameExistsCompilerException(functionName, funcDefStt.Info);
}
var funcScope = scope.BeginNewScope(ScopeType.MethodRoot);
IStatement inlinedStatement = null;
funcScope.SetConfig(c => c.ExplicitEchoStream, context.Flags.DefaultExplicitEchoStream);
if (context.Flags.UseComments && context.Flags.CommentParameterInfos)
{
BashTranspilerHelpers.WriteComment(writer, $"! {funcDefStt.TypeDescriptor} {functionName}");
}
if (funcDefStt.Parameters != null && funcDefStt.Parameters.Length > 0)
{
for (var i = 0; i < funcDefStt.Parameters.Length; i++)
{
var param = funcDefStt.Parameters[i];
var paramMappedName = (i + 1).ToString(CultureInfo.InvariantCulture);
funcScope.ReserveNewParameter(param.TypeDescriptor, param.Name, paramMappedName);
if (context.Flags.UseComments && context.Flags.CommentParameterInfos)
{
BashTranspilerHelpers.WriteComment(writer,
$"\\param ${paramMappedName} {param.TypeDescriptor} - {param.Name}");
}
}
}
writer.WriteLine($"function {functionName}() {{");
BashBlockStatementTranspiler.WriteBlockStatement(context, funcScope, writer, metaWriter,
funcDefStt.Statement, ScopeType.MethodRoot, false, typeof(ReturnStatement));
TryGetInlinedStatement(context, funcScope, funcDefStt, out inlinedStatement);
var func = new FunctionInfo(funcDefStt.TypeDescriptor, functionName, null, null, funcDefStt.IsParams,
funcDefStt.Parameters, inlinedStatement);
scope.ReserveNewFunction(func);
writer.WriteLine("}");
scope.IncrementStatements();
}
public static void WriteIf(Context context, Scope scope, TextWriter writer, TextWriter nonInlinePartWriter,
TextWriter metaWriter, IfElseStatement ifElseStatement)
{
var ifEscaped = false;
var skipElse = false;
var condition =
EvaluationStatementTranspilerBase.ProcessEvaluation(context, scope, ifElseStatement.MainIf.Condition);
if (StatementHelpers.IsAbsoluteBooleanValue(condition, out var isTrue))
{
if (isTrue)
{
BashBlockStatementTranspiler.WriteBlockStatement(context, scope, writer, metaWriter,
ifElseStatement.MainIf.Statement, ScopeType.Block, true);
return;
}
ifEscaped = true;
}
else
{
writer.Write("if ");
WriteCondition(context, scope, writer, metaWriter, nonInlinePartWriter, ifElseStatement, condition);
writer.WriteLine();
writer.WriteLine("then");
BashBlockStatementTranspiler.WriteBlockStatement(context, scope, writer, metaWriter,
ifElseStatement.MainIf.Statement, ScopeType.IfMainBlock, true);
}
if (ifElseStatement.ElseIfs != null)
{
foreach (var elseIf in ifElseStatement.ElseIfs)
{
condition = EvaluationStatementTranspilerBase.ProcessEvaluation(context, scope, elseIf.Condition);
if (StatementHelpers.IsAbsoluteBooleanValue(condition, out isTrue))
{
if (isTrue)
{
if (!ifEscaped)
{
writer.WriteLine("else");
}
BashBlockStatementTranspiler.WriteBlockStatement(context, scope, writer, metaWriter,
elseIf.Statement, ScopeType.IfElseBlock, true);
skipElse = true;
break;
}
}
else
{
if (ifEscaped)
{
writer.Write("if ");
ifEscaped = false;
}
else
{
writer.Write("elif ");
}
WriteCondition(context, scope, writer, metaWriter, nonInlinePartWriter, ifElseStatement,
condition);
writer.WriteLine();
writer.WriteLine("then");
BashBlockStatementTranspiler.WriteBlockStatement(context, scope, writer, metaWriter,
elseIf.Statement, ScopeType.IfIfElseBlock, true);
}
}
}
if (!skipElse && ifElseStatement.Else != null)
{
if (ifEscaped)
{
BashBlockStatementTranspiler.WriteBlockStatement(context, scope, writer, metaWriter,
ifElseStatement.Else, ScopeType.IfMainBlock, true);
}
else
{
writer.WriteLine("else");
BashBlockStatementTranspiler.WriteBlockStatement(context, scope, writer, metaWriter,
ifElseStatement.Else, ScopeType.IfElseBlock, true);
}
}
if (!ifEscaped)
{
writer.WriteLine("fi");
scope.IncrementStatements();
}
}