Working

internal/parser/ast.go

@@ -0,0 +1,116 @@
+package parser
+
+type Node interface {
+	Pos() Position
+}
+
+type Position struct {
+	Line   int
+	Column int
+}
+
+type Configuration struct {
+	Definitions []Definition
+	Package     *Package
+}
+
+type Definition interface {
+	Node
+	isDefinition()
+}
+
+type Field struct {
+	Position Position
+	Name     string
+	Value    Value
+}
+
+func (f *Field) Pos() Position { return f.Position }
+func (f *Field) isDefinition() {}
+
+type ObjectNode struct {
+	Position Position
+	Name     string // includes + or $
+	Subnode  Subnode
+}
+
+func (o *ObjectNode) Pos() Position { return o.Position }
+func (o *ObjectNode) isDefinition() {}
+
+type Subnode struct {
+	Position    Position
+	Definitions []Definition
+}
+
+type Value interface {
+	Node
+	isValue()
+}
+
+type StringValue struct {
+	Position Position
+	Value    string
+}
+
+func (v *StringValue) Pos() Position { return v.Position }
+func (v *StringValue) isValue()      {}
+
+type IntValue struct {
+	Position Position
+	Value    int64
+	Raw      string
+}
+
+func (v *IntValue) Pos() Position { return v.Position }
+func (v *IntValue) isValue()      {}
+
+type FloatValue struct {
+	Position Position
+	Value    float64
+	Raw      string
+}
+
+func (v *FloatValue) Pos() Position { return v.Position }
+func (v *FloatValue) isValue()      {}
+
+type BoolValue struct {
+	Position Position
+	Value    bool
+}
+
+func (v *BoolValue) Pos() Position { return v.Position }
+func (v *BoolValue) isValue()      {}
+
+type ReferenceValue struct {
+	Position Position
+	Value    string
+}
+
+func (v *ReferenceValue) Pos() Position { return v.Position }
+func (v *ReferenceValue) isValue()      {}
+
+type ArrayValue struct {
+	Position Position
+	Elements []Value
+}
+
+func (v *ArrayValue) Pos() Position { return v.Position }
+func (v *ArrayValue) isValue()      {}
+
+type Package struct {
+	Position Position
+	URI      string
+}
+
+func (p *Package) Pos() Position { return p.Position }
+
+type Comment struct {
+	Position Position
+	Text     string
+	Doc      bool // true if starts with //#
+}
+
+type Pragma struct {
+	Position Position
+	Text     string
+}