public static (string, List <Error>) GenerateCode(ASG.Program program)
{
var context = new Context
{
StringBuilder = new StringBuilder(),
IndentCount = 0,
Errors = new List <Error>()
};
Write(context, Header);
StartNewLine(context, deltaIndentCount: 1);
{
int i = 0;
foreach (var function in program.Functions)
{
if (function.Body == null)
{
continue;
}
if (i > 0)
{
StartNewLine(context);
}
WriteFunction(context, function);
i++;
}
}
StartNewLine(context, deltaIndentCount: -1);
Write(context, Footer);
return(context.StringBuilder.ToString(), context.Errors);
}
public static ASG.Program CreateFibonacciProgram()
{
var program = new ASG.Program();
var fibFunction = new Function
{
Name = "Fib",
Parameters = new List <Variable>
{
new Variable
{
Name = "n",
Type = BuiltInTypes.Int32
}
},
ReturnType = BuiltInTypes.Int32
};
fibFunction.Body = new List <IStatement>
{
new IfStatement
{
Condition = new EqualityOperator
{
Left = new VariableExpression
{
Variable = fibFunction.Parameters[0]
},
Right = new IntegerLiteral
{
Value = 0
}
},
Body = new List <IStatement>
{
new ReturnStatement
{
Value = new IntegerLiteral
{
Value = 0
}
}
},
},
new IfStatement
{
Condition = new EqualityOperator
{
Left = new VariableExpression
{
Variable = fibFunction.Parameters[0]
},
Right = new IntegerLiteral
{
Value = 1
}
},
Body = new List <IStatement>
{
new ReturnStatement
{
Value = new IntegerLiteral
{
Value = 1
}
}
},
},
new ReturnStatement
{
Value = new AdditionOperator
{
Left = new FunctionCall
{
Function = fibFunction,
Arguments = new List <IExpression>
{
new SubtractionOperator
{
Left = new VariableExpression
{
Variable = fibFunction.Parameters[0]
},
Right = new IntegerLiteral
{
Value = 1
}
}
}
},
Right = new FunctionCall
{
Function = fibFunction,
Arguments = new List <IExpression>
{
new SubtractionOperator
{
Left = new VariableExpression
{
Variable = fibFunction.Parameters[0]
},
Right = new IntegerLiteral
{
Value = 2
}
}
}
}
}
}
};
program.Functions.Add(fibFunction);
var fibVariable = new Variable
{
Name = "fib",
Type = BuiltInTypes.Int32
};
var mainFunction = new Function
{
Name = "Main",
Parameters = new List <Variable>(),
ReturnType = BuiltInTypes.Unit,
Body = new List <IStatement>
{
new VariableDeclaration
{
Variable = fibVariable,
InitialValue = new FunctionCall
{
Function = fibFunction,
Arguments = new List <IExpression>
{
new IntegerLiteral {
Value = 8
}
}
}
},
new FunctionCall
{
Function = BuiltInFunctions.WriteLineToConsole,
Arguments = new List <IExpression>
{
new StringLiteral {
Value = "Hello, world!"
}
}
},
new FunctionCall
{
Function = BuiltInFunctions.WriteLineToConsole,
Arguments = new List <IExpression>
{
new FunctionCall
{
Function = BuiltInFunctions.Int32ToString,
Arguments = new List <IExpression>
{
new VariableExpression
{
Variable = fibVariable
}
}
}
}
}
}
};
program.Functions.Add(mainFunction);
return(program);
}
