public ExecutableMachine Compile(CodeObject code, ExecutableMachine machine)
{
var codeSwitch = (CodeSwitchStatement)code;
//switch(a) { case c1 : s1; case c2 : s2; default : s3 }
//~
//switch_expr = a;
//if (a == c1) s1
//else if (a == c2) s2
//else s3
_sid++;
var block = new CodeBlockStatement { SourceSpan = codeSwitch.SourceSpan };
var switchExpr = new CodeAssignExpression(
"#switch_"+_sid, codeSwitch.Expression);
var ifStatement = BuildNextIf(codeSwitch.Cases, 0);
block.Statements.Add(new CodeExpressionStatement(switchExpr));
block.Statements.Add(ifStatement);
CodeDomCompiler.Compile(block, machine);
return machine;
}
public ExecutableMachine Compile(CodeObject code, ExecutableMachine machine)
{
var codeSwitch = (CodeSwitchStatement)code;
//switch(a) { case c1 : s1; case c2 : s2; default : s3 }
//~
//switch_expr = a;
//if (a == c1) s1
//else if (a == c2) s2
//else s3
_sid++;
var block = new CodeBlockStatement {
SourceSpan = codeSwitch.SourceSpan
};
var switchExpr = new CodeAssignExpression(
"#switch_" + _sid, codeSwitch.Expression);
var ifStatement = BuildNextIf(codeSwitch.Cases, 0);
block.Statements.Add(new CodeExpressionStatement(switchExpr));
block.Statements.Add(ifStatement);
CodeDomCompiler.Compile(block, machine);
return(machine);
}
public CodeObject Compile(AstNode syntaxNode, CodeProgram prog)
{
var syntaxAssignExpr = (ScriptAssignExpr)syntaxNode;
if (syntaxAssignExpr.LeftExpression.IsVariable)
{
if (syntaxAssignExpr.Symbol == "++")
{
var binary = new CodeBinaryOperator
{
Left = new CodeVariableReference(syntaxAssignExpr.LeftExpression.Identifier),
Right = new CodeValueReference(1),
Type = OperatorType.Plus
};
var codeAssign = new CodeAssignExpression(
syntaxAssignExpr.LeftExpression.Identifier,
binary)
{
SourceSpan = syntaxNode.Span
};
return(codeAssign);
}
else
if (syntaxAssignExpr.Symbol == "--")
{
var binary = new CodeBinaryOperator
{
Left = new CodeVariableReference(syntaxAssignExpr.LeftExpression.Identifier),
Right = new CodeValueReference(1),
Type = OperatorType.Minus
};
var codeAssign = new CodeAssignExpression(
syntaxAssignExpr.LeftExpression.Identifier,
binary)
{
SourceSpan = syntaxNode.Span
};
return(codeAssign);
}
else
{
var codeAssign = new CodeAssignExpression(
syntaxAssignExpr.LeftExpression.Identifier,
(CodeExpression)AstDomCompiler.Compile(syntaxAssignExpr.RightExpression, prog))
{
SourceSpan = syntaxNode.Span
};
return(codeAssign);
}
}
return(null);
}
public CodeObject Compile(AstNode syntaxNode, CodeProgram prog)
{
var syntaxAssignExpr = (ScriptAssignExpr)syntaxNode;
if (syntaxAssignExpr.LeftExpression.IsVariable)
{
if (syntaxAssignExpr.Symbol == "++")
{
var binary = new CodeBinaryOperator
{
Left = new CodeVariableReference(syntaxAssignExpr.LeftExpression.Identifier),
Right = new CodeValueReference(1),
Type = OperatorType.Plus
};
var codeAssign = new CodeAssignExpression(
syntaxAssignExpr.LeftExpression.Identifier,
binary) {SourceSpan = syntaxNode.Span};
return codeAssign;
}
else
if (syntaxAssignExpr.Symbol == "--")
{
var binary = new CodeBinaryOperator
{
Left = new CodeVariableReference(syntaxAssignExpr.LeftExpression.Identifier),
Right = new CodeValueReference(1),
Type = OperatorType.Minus
};
var codeAssign = new CodeAssignExpression(
syntaxAssignExpr.LeftExpression.Identifier,
binary) {SourceSpan = syntaxNode.Span};
return codeAssign;
}
else
{
var codeAssign = new CodeAssignExpression(
syntaxAssignExpr.LeftExpression.Identifier,
(CodeExpression)AstDomCompiler.Compile(syntaxAssignExpr.RightExpression, prog))
{SourceSpan = syntaxNode.Span};
return codeAssign;
}
}
return null;
}
public ExecutableMachine Compile(CodeObject code, ExecutableMachine machine)
{
var forStatement = (CodeForEachStatement)code;
//foreach (i in c) statement ~
//
//f_ = c.GetEnumerator();
//while(f_.Next()) {i = f_.Current; statement; }
_sid++;
string fName = "#ForEach_" + _sid;
var fblock = new CodeBlockStatement();
var f = new CodeAssignExpression(fName, forStatement.Container);
var f1 = new CodeAssignExpression(fName,
new CodeObjectReference(fName,
new CodeObjectReference("GetEnumerator", null,
new CodeObject[] { new CodeObjectFunctionCall(new CodeExpression[0]) }), new CodeObject[0]));
var fwhileBlock = new CodeBlockStatement();
var i = new CodeAssignExpression(forStatement.Id.Id,
new CodeObjectReference(fName,
new CodeObjectReference("get_Current", null,
new CodeObject[] { new CodeObjectFunctionCall(new CodeExpression[0]) }), new CodeObject[0]));
fwhileBlock.Statements.Add(new CodeExpressionStatement(i));
fwhileBlock.Statements.Add(forStatement.Statement);
var fwhile = new CodeWhileStatement(
new CodeObjectReference(fName,
new CodeObjectReference("MoveNext", null,
new CodeObject[] { new CodeObjectFunctionCall(new CodeExpression[0]) }), new CodeObject[0]),
fwhileBlock);
fblock.Statements.Add(new CodeExpressionStatement(f));
fblock.Statements.Add(new CodeExpressionStatement(f1));
fblock.Statements.Add(fwhile);
CodeDomCompiler.Compile(fblock, machine);
return(machine);
}
public ExecutableMachine Compile(CodeObject code, ExecutableMachine machine)
{
var forStatement = (CodeForEachStatement)code;
//foreach (i in c) statement ~
//
//f_ = c.GetEnumerator();
//while(f_.Next()) {i = f_.Current; statement; }
_sid++;
string fName = "#ForEach_" + _sid;
var fblock = new CodeBlockStatement();
var f = new CodeAssignExpression(fName, forStatement.Container);
var f1 = new CodeAssignExpression(fName,
new CodeObjectReference(fName,
new CodeObjectReference("GetEnumerator", null,
new CodeObject[] { new CodeObjectFunctionCall(new CodeExpression[0]) }), new CodeObject[0]));
var fwhileBlock = new CodeBlockStatement();
var i = new CodeAssignExpression(forStatement.Id.Id,
new CodeObjectReference(fName,
new CodeObjectReference("get_Current", null,
new CodeObject[] { new CodeObjectFunctionCall(new CodeExpression[0]) }), new CodeObject[0]));
fwhileBlock.Statements.Add(new CodeExpressionStatement(i));
fwhileBlock.Statements.Add(forStatement.Statement);
var fwhile = new CodeWhileStatement(
new CodeObjectReference(fName,
new CodeObjectReference("MoveNext", null,
new CodeObject[] { new CodeObjectFunctionCall(new CodeExpression[0]) }), new CodeObject[0]),
fwhileBlock);
fblock.Statements.Add(new CodeExpressionStatement(f));
fblock.Statements.Add(new CodeExpressionStatement(f1));
fblock.Statements.Add(fwhile);
CodeDomCompiler.Compile(fblock, machine);
return machine;
}
