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Contents
# frozen_string_literal: true
module PlatformosCheck
module LanguageServer
module VariableLookupFinder
class AssignmentsFinder
class NodeHandler
def on_assign(node, scope)
# When a variable is redefined in a new scope we
# no longer can guarantee the type in the global scope
#
# Example:
# ```liquid
# {%- liquid
# assign var1 = some_value
#
# if condition
# assign var1 = another_value
# ^^^^ from here we no longer can guarantee
# the type of `var1` in the global scope
# -%}
# ```
p_scope = scope
while (p_scope = p_scope.parent)
p_scope.variables.delete(node.value.to)
end
scope << node
scope
end
def on_function(node, scope)
on_assign(node, scope)
end
def on_graphql(node, scope)
on_assign(node, scope)
end
##
# Table row tags do not rely on blocks to define scopes,
# so we index their value here
def on_table_row(node, scope)
scope = scope.new_child
scope << node
scope
end
##
# Define a new scope every time a new block is created
def on_block_body(node, scope)
scope = scope.new_child
##
# 'for' tags handle blocks flattenly and differently
# than the other tags (if, unless, case).
#
# The scope of 'for' tags exists only in the first
# block, as the following one refers to the else
# statement of the iteration.
parent = node.parent
scope << parent if parent.type_name == :for && parent.children.first == node
scope
end
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems