public void VarDefinitionTests()
{
string txt = "var=123";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.VarDefinitionContext varDefinitionContext = parser.varDefinition();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDefinitionContext);
VarDefinition varDefinition = VarDefinition.Compile(varDefinitionContext);
Assert.True(varDefinition.Identifier == "var");
Assert.True(varDefinition.Expression.Literal.Integer == 123);
txt = "var=funcCall(\"arg\")";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
varDefinitionContext = parser.varDefinition();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDefinitionContext);
varDefinition = VarDefinition.Compile(varDefinitionContext);
Assert.True(varDefinition.Identifier == "var");
Assert.True(varDefinition.Expression.FunctionCall.Identifier == "funcCall");
}
public void AddVariable(string name, string code, [CallerLineNumber] int l = 0)
{
code = Replace(code);
var v = new VarDefinition(name, code);
Vars.Add(v);
}
public Node VarDef()
{
var varDefinition = new VarDefinition()
{
AnchorToken = Expect(TokenCategory.VAR)
};
varDefinition.Add(VarList());
Expect(TokenCategory.SEMICOLON);
return(varDefinition);
}
public void Visit(VarDefinition node)
{
var identifierList = node[0];
foreach (var n in identifierList)
{
var id = n.AnchorToken.Value;
if (Variables.Contains(id, Scope))
{
throw new SemanticError("Duplicated variable '" + id + "' on " + Scope, n.AnchorToken);
}
Variables.Add(new Variable(id, Scope));
}
}
public string Visit(VarDefinition node)
{
var result = "";
if (!isGlobal)
{
foreach (var child in node[0])
{
var varName = child.AnchorToken.Value;
Variables.Add(new Variable(varName, Scope));
result += "\t\t.locals init (int32 '" + varName + "')\n";
}
return(result);
}
foreach (var child in node[0])
{
var varName = child.AnchorToken.Value;
Variables.Add(new Variable(varName, Scope));
result += "\t.field private static int32 '" + varName + "'\n";
}
return(result);
}
public void VarDefinitionTests()
{
VariableEnvironment variables = new VariableEnvironment();
FunctionEnvironment functionEnvironment = new FunctionEnvironment();
variables.DeclareVariable("var", BogieLangType.INTEGER);
string txt = "var=123";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.VarDefinitionContext varDefinitionContext = parser.varDefinition();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(varDefinitionContext);
VarDefinition varDefinition = VarDefinition.Compile(varDefinitionContext);
varDefinition.Execute(functionEnvironment, variables);
Assert.True(variables["var"].BogieLangType == BogieLangType.INTEGER);
Assert.True(variables["var"].Value is int);
Assert.True((int)variables["var"].Value == 123);
}
private VarDefinition ParseVarDefinition()
{
var id = ParseIdentifier();
var node = new VarDefinition();
node.AddChild(id);
var t = NextToken();
if (t.IsOperator(Operator.Assign))
{
var expr = ParseExpression();
node.AddChild(expr);
}
else if (t.IsDelimiter(Delimiter.BraceOpen))
{
node = new ArrayDefinition();
node.AddChild(id);
var expr = ParseExpression();
node.AddChild(expr);
t = NextToken();
AssertDelimiter(Delimiter.BraceClose, t);
node.PropagatePosition(t);
}
else
{
_stream.Previous();
}
return(node);
}
