gpr/langkit/exprs.lkt

@abstract
class Expr: GprNode {
}

@abstract
class SingleTokNode: Expr implements TokenNode {
}

@repr_name("Id")
class Identifier: SingleTokNode implements TokenNode {
}

@repr_name("Str")
class StringLiteral: SingleTokNode implements TokenNode {
}

@repr_name("Num")
class NumLiteral: SingleTokNode implements TokenNode {
}

class Prefix: Expr {
    @parse_field prefix: Expr
    @parse_field suffix: Identifier
}

class TermList: ASTList[GprNode] {
}

class Terms: GprNode {
    @parse_field terms: ASTList[TermList]
}

class StringLiteralAt: GprNode {
    @parse_field str_lit: StringLiteral
    @parse_field @nullable at_lit: NumLiteral
}

class AttributeReference: GprNode {
    @parse_field attribute_name: Identifier
    @parse_field @nullable attribute_index: GprNode
}

class BuiltinFunctionCall: GprNode {
    @parse_field function_name: Identifier
    @parse_field parameters: Terms
}

class VariableReference: GprNode {
    @parse_field variable_name: ASTList[Identifier]
    @parse_field @nullable attribute_ref: AttributeReference
}

class TypeReference: GprNode {
    @parse_field var_type_name: ASTList[Identifier]
}