public void ErrorWhenBindingToTheSameName()
{
var subject = new JsOutputVisitor(config: new JsOutputVisitor.InstanceConfig {
EmptyModuleWarning = false
});
var module = new ModuleNode
{
Id = "A",
Lets = new List <LetNode>
{
new LetNode
{
Id = "a",
Expr = new StringNode
{
Value = "dupa"
}
},
new LetNode
{
Id = "a",
Expr = new NumericNode
{
Value = 1
}
}
}
};
var ex = Record.Exception(() => subject.Visit(module)) as CompilationException;
ScriptAssert.Equal("Error:N/A: Variable `a` already exists.", ex.Errors.GetErrorsString());
}
public void VisitExtension()
{
var subject = new JsOutputVisitor(config: new JsOutputVisitor.InstanceConfig {
EmptyModuleWarning = false
});
var module = new ModuleNode
{
Id = "A",
Lets = new List <LetNode>
{
new LetNode
{
Id = "a",
Expr = new ExternalNode
{
Body = "function (value) {\n console.log(value); /*comment*/\n}"
}
}
}
};
const string js = @"
A = {};
A.a = function (value) { console.log(value); /*comment*/};
";
var result = subject.Visit(module);
ScriptAssert.Equal("", subject.ErrorsSink.GetErrorsString());
ScriptAssert.Equal(js, result);
}
public void VisitModule()
{
var subject = new JsOutputVisitor();
var module = new ModuleNode
{
Id = "A"
};
var result = subject.Visit(module);
const string js = @"
A = {};
";
ScriptAssert.Equal("Warning:N/A: Module `A` is empty.", subject.ErrorsSink.GetErrorsString());
ScriptAssert.Equal(js, result);
}
public void VisitArray()
{
var subject = new JsOutputVisitor();
var module = new ModuleNode
{
Id = "A",
Lets = new List <LetNode>
{
new LetNode
{
Id = "a",
Expr = new ArrayNode
{
Exprs = new List <ExprNode>
{
new NumericNode
{
Value = 0
},
new NumericNode
{
Value = 1
}
}
}
}
}
};
var result = subject.Visit(module);
const string js = @"
A = {};
A.a = [0, 1];
";
ScriptAssert.Equal("", subject.ErrorsSink.GetErrorsString());
ScriptAssert.Equal(js, result);
}
public void VisitLet()
{
var subject = new JsOutputVisitor();
var module = new ModuleNode
{
Id = "A",
Lets = new List <LetNode>
{
new LetNode
{
Id = "a",
Expr = new StringNode
{
Value = "dupa"
}
},
new LetNode
{
Id = "b",
Expr = new NumericNode
{
Value = 1
}
},
}
};
var result = subject.Visit(module);
const string js = @"
A = {};
A.a = ""dupa"";
A.b = 1;
";
ScriptAssert.Equal("", subject.ErrorsSink.GetErrorsString());
ScriptAssert.Equal(js, result);
}
public void VisitCall()
{
var subject = new JsOutputVisitor(config: new JsOutputVisitor.InstanceConfig {
EmptyModuleWarning = false
});
var module = new ModuleNode
{
Id = "A",
Lets = new List <LetNode>
{
new LetNode
{
Id = "f",
Expr = new FuncNode
{
Parameters = new List <ParamNode>
{
new ParamNode
{
Id = "arg0"
},
new ParamNode
{
Id = "arg1"
}
},
Body = new BinaryExprNode
{
Id = "+",
Left = new ReferenceNode
{
Id = "arg0"
},
Right = new ReferenceNode
{
Id = "arg1"
}
}
}
},
new LetNode
{
Id = "main",
Expr = new FuncNode
{
Parameters = new List <ParamNode>(),
Body = new LetInNode
{
Lets = new List <LetNode>
{
new LetNode
{
Id = "x",
Expr = new NumericNode
{
Value = 1
}
}
},
Body = new CallNode
{
Expr = new ReferenceNode
{
Id = "f"
},
Parameters = new List <ExprNode>
{
new ReferenceNode
{
Id = "x"
},
new NumericNode
{
Value = 2
}
}
}
}
}
}
}
};
const string js = @"
A = {};
A.f = function (arg0, arg1) {
return (arg0 + arg1);
};
A.main = function () {
return function () {
var x = 1;
return A.f(x, 2);
}();
};
";
var result = subject.Visit(module);
ScriptAssert.Equal("", subject.ErrorsSink.GetErrorsString());
ScriptAssert.Equal(js, result);
}
public void VisitLetInNode()
{
var subject = new JsOutputVisitor(config: new JsOutputVisitor.InstanceConfig {
EmptyModuleWarning = false
});
var module = new ModuleNode
{
Id = "A",
Lets = new List <LetNode>
{
new LetNode
{
Id = "evalNow",
Expr = new LetInNode
{
Lets = new List <LetNode>
{
new LetNode
{
Id = "a",
Expr = new NumericNode
{
Value = 1
}
},
new LetNode
{
Id = "b",
Expr = new NumericNode
{
Value = 2
}
}
},
Body = new BinaryExprNode
{
Id = "+",
Left = new ReferenceNode
{
Id = "a"
},
Right = new ReferenceNode
{
Id = "b"
}
}
}
}
}
};
const string js = @"
A = {};
A.evalNow = function () {
var a = 1;
var b = 2;
return (a + b);
}();
";
var result = subject.Visit(module);
ScriptAssert.Equal("", subject.ErrorsSink.GetErrorsString());
ScriptAssert.Equal(js, result);
}
public void VisitFunc()
{
var subject = new JsOutputVisitor(config: new JsOutputVisitor.InstanceConfig {
EmptyModuleWarning = false
});
var module = new ModuleNode
{
Id = "A",
Lets = new List <LetNode>
{
new LetNode
{
Id = "out",
Expr = new NumericNode
{
Value = 10
}
},
new LetNode
{
Id = "f",
Expr = new FuncNode
{
Parameters = new List <ParamNode>
{
new ParamNode
{
Id = "arg0"
},
new ParamNode
{
Id = "arg1"
}
},
Body = new BinaryExprNode
{
Id = "+",
Left = new StringNode
{
Value = "dupa"
},
Right = new BinaryExprNode
{
Id = "+",
Left = new ReferenceNode
{
Id = "arg0"
},
Right = new ReferenceNode
{
Id = "out"
}
}
}
}
}
}
};
const string js = @"
A = {};
A.out = 10;
A.f = function (arg0, arg1) {
return (""dupa"" + (arg0 + A.out));
};
";
var result = subject.Visit(module);
ScriptAssert.Equal("", subject.ErrorsSink.GetErrorsString());
ScriptAssert.Equal(js, result);
}