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# frozen_string_literal: true
module GraphQL
class Backtrace
module Trace
def initialize(*args, **kwargs, &block)
@__backtrace_contexts = {}
@__backtrace_last_context = nil
super
end
def validate(query:, validate:)
if query.multiplex
push_query_backtrace_context(query)
end
super
end
def analyze_query(query:)
if query.multiplex # missing for stand-alone static validation
push_query_backtrace_context(query)
end
super
end
def execute_query(query:)
push_query_backtrace_context(query)
super
end
def execute_query_lazy(query:, multiplex:)
query ||= multiplex.queries.first
push_query_backtrace_context(query)
super
end
def execute_field(field:, query:, ast_node:, arguments:, object:)
push_field_backtrace_context(field, query, ast_node, arguments, object)
super
end
def execute_field_lazy(field:, query:, ast_node:, arguments:, object:)
push_field_backtrace_context(field, query, ast_node, arguments, object)
super
end
def execute_multiplex(multiplex:)
super
rescue StandardError => err
# This is an unhandled error from execution,
# Re-raise it with a GraphQL trace.
potential_context = @__backtrace_last_context
if potential_context.is_a?(GraphQL::Query::Context) ||
potential_context.is_a?(Backtrace::Frame)
raise TracedError.new(err, potential_context)
else
raise
end
end
private
def push_query_backtrace_context(query)
push_data = query
push_key = []
@__backtrace_contexts[push_key] = push_data
@__backtrace_last_context = push_data
end
def push_field_backtrace_context(field, query, ast_node, arguments, object)
push_key = query.context[:current_path]
push_storage = @__backtrace_contexts
parent_frame = push_storage[push_key[0..-2]]
if parent_frame.is_a?(GraphQL::Query)
parent_frame = parent_frame.context
end
push_data = Frame.new(
query: query,
path: push_key,
ast_node: ast_node,
field: field,
object: object,
arguments: arguments,
parent_frame: parent_frame,
)
push_storage[push_key] = push_data
@__backtrace_last_context = push_data
end
end
end
end
|
