Implemented basic support for function pointers

src/core/CompileMemoryStore.go

@@ -0,0 +1,33 @@
+package core
+
+import (
+	"math"
+
+	"git.akyoto.dev/cli/q/src/asm"
+	"git.akyoto.dev/cli/q/src/errors"
+	"git.akyoto.dev/cli/q/src/expression"
+)
+
+// CompileMemoryStore ...
+func (f *Function) CompileMemoryStore(root *expression.Expression) error {
+	parameters := root.Children[1:]
+	name := parameters[0].Token.Text(f.File.Bytes)
+	numBytes, _ := f.Number(parameters[1].Token)
+	value := parameters[2]
+	variable := f.VariableByName(name)
+
+	if variable == nil {
+		return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, parameters[0].Token.Position)
+	}
+
+	defer f.UseVariable(variable)
+
+	memory := asm.Memory{
+		Base:           variable.Register,
+		OffsetRegister: math.MaxUint8,
+		Length:         byte(numBytes),
+	}
+
+	_, err := f.ExpressionToMemory(value, memory)
+	return err
+}