Class: Fusion::Interpreter::ErrorVal

Inherits:
Object
  • Object
show all
Defined in:
lib/fusion/interpreter/error_val.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(payload) ⇒ ErrorVal

Returns a new instance of ErrorVal.



12
13
14
15
 
# File 'lib/fusion/interpreter/error_val.rb', line 12

def initialize(payload)
  @payload = payload
  @internal = false
end

Instance Attribute Details

#payload ⇒ Object (readonly)

Returns the value of attribute payload.



10
11
12
 
# File 'lib/fusion/interpreter/error_val.rb', line 10

def payload
  @payload
end

Class Method Details

.internal(kind:, location:, operation:, input:, message: nil) ⇒ Object

Build an interpreter-produced error with the standardized payload shape documented in docs/user/reference.md §6.5.



25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/fusion/interpreter/error_val.rb', line 25

def self.internal(kind:, location:, operation:, input:, message: nil)
  error = new(
    "kind" => kind,
    "location" => location,
    "operation" => operation,
    "input" => input,
    **(message ? { "message" => message } : {})
  )

  # Mark as "@internal" to activate lenient serialization.
  error.instance_variable_set(:@internal, true)

  error
end

Instance Method Details

#inspect ⇒ Object 



40
41
42
 
# File 'lib/fusion/interpreter/error_val.rb', line 40

def inspect
  "!#{payload.inspect}"
end

#internal_error? ⇒ Boolean

Whether this is an interpreter-produced error (vs. a user-constructed ‘!expr`). Governs serialization — see docs/user/reference.md §9.3.

Returns:

  • (Boolean) 


19
20
21
 
# File 'lib/fusion/interpreter/error_val.rb', line 19

def internal_error?
  @internal
end

#to_s ⇒ Object 



44
45
46
 
# File 'lib/fusion/interpreter/error_val.rb', line 44

def to_s
  inspect
end