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 static VarDefinition Compile(BogieLangParser.VarDefinitionContext varDefinitionContext)
{
VarDefinition result = new VarDefinition();
if (varDefinitionContext.IDENTIFIER() != null)
{
result.Identifier = varDefinitionContext.IDENTIFIER().GetText();
}
if (varDefinitionContext.expression() != null)
{
result.Expression = Expression.Compile(varDefinitionContext.expression(), null);
}
return(result);
}
public void VarDefinitionTests()
{
string txt = "var=123";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
BogieLangParser.VarDefinitionContext VarDefinitionContext = parser.varDefinition();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(VarDefinitionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = "var=funcCall(\"arg\")";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
VarDefinitionContext = parser.varDefinition();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(VarDefinitionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
txt = " \t \nvar \t \n= \t \nfuncCall(123) \t \n";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
VarDefinitionContext = parser.varDefinition();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(VarDefinitionContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
}
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);
}
