Merge pull request #695 from lucabol/master

Add a source generator for a Maths language to the samples

samples/CSharp/SourceGenerators/GeneratedDemo/GeneratedDemo.csproj

@@ -9,6 +9,7 @@
   <ItemGroup>
     <AdditionalFiles Include="People.csv" CsvLoadType="Startup" />
     <AdditionalFiles Include="Cars.csv" CsvLoadType="OnDemand" CacheObjects="true" />
+    <AdditionalFiles Include="Geometry.math" />
 
     <AdditionalFiles Include="MainSettings.xmlsettings" CopyToOutputDirectory="PreserveNewest" />
     <None Include="MainSettings.xmlsettings" CopyToOutputDirectory="PreserveNewest" /> <!-- TODO: remove this when AdditionalFiles supports CopyToOutputDirectory -->

samples/CSharp/SourceGenerators/GeneratedDemo/Geometry.math

@@ -0,0 +1,9 @@
+AreaSquare(l)       = pow(l, 2)
+AreaRectangle(w, h) = w * h
+AreaCircle(r)       = pi * r * r
+Quadratic(a, b, c)  = {-b + sqrt(pow(b,2) - 4 * a * c)} / (2 * a)
+
+GoldenRatio         = 1.61803
+GoldHarm(n)         = GoldenRatio + 1 * ∑(i, 1, n, 1 / i)
+
+D(x', x'', y', y'') = sqrt(pow([x'-x''],2) + pow([y'-y''], 2))

samples/CSharp/SourceGenerators/GeneratedDemo/Program.cs

@@ -21,6 +21,9 @@ static void Main(string[] args)
 
             Console.WriteLine("\n\nRunning MustacheGenerator:\n");
             UseMustacheGenerator.Run();
+
+            Console.WriteLine("\n\nRunning MathsGenerator:\n");
+            UseMathsGenerator.Run();
         }
     }
 }

samples/CSharp/SourceGenerators/GeneratedDemo/UseMathsGenerator.cs

@@ -0,0 +1,15 @@
+using static System.Console;
+using Maths;
+
+namespace GeneratedDemo
+{
+    public static class UseMathsGenerator
+    {
+        public static void Run()
+        {
+            WriteLine($"The area of a (10, 5) rectangle is: {Formulas.AreaRectangle(10, 5)}");
+            WriteLine($"The area of a (10) square is: {Formulas.AreaSquare(10)}");
+            WriteLine($"The GoldHarmon of 3 is: {Formulas.GoldHarm(3)}");
+        }
+    }
+}