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Merge remote-tracking branch 'origin/master' into master-into-develop

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Sijawusz Pur Rahnama 2021-02-03 22:45:35 +01:00
commit 99da6b6916
7 changed files with 193 additions and 18 deletions
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62
spec/ameba/ast/scope_spec.cr
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@ -47,6 +47,68 @@ module Ameba::AST
end
end
describe "#references?" do
it "returns true if current scope references variable" do
nodes = as_nodes %(
def method
a = 2
block do
3.times { |i| a = a + i }
end
end
)
scope = Scope.new nodes.def_nodes.first
var_node = nodes.var_nodes.first
scope.add_variable var_node
scope.inner_scopes << Scope.new(nodes.block_nodes.first, scope)
variable = Variable.new(var_node, scope)
variable.reference nodes.var_nodes.first, scope.inner_scopes.first
scope.references?(variable).should be_true
end
it "returns false if inner scopes are not checked" do
nodes = as_nodes %(
def method
a = 2
block do
3.times { |i| a = a + i }
end
end
)
scope = Scope.new nodes.def_nodes.first
var_node = nodes.var_nodes.first
scope.add_variable var_node
scope.inner_scopes << Scope.new(nodes.block_nodes.first, scope)
variable = Variable.new(var_node, scope)
variable.reference nodes.var_nodes.first, scope.inner_scopes.first
scope.references?(variable, check_inner_scopes: false).should be_false
end
it "returns false if current scope does not reference variable" do
nodes = as_nodes %(
def method
a = 2
block do
b = 3
3.times { |i| b = b + i }
end
end
)
scope = Scope.new nodes.def_nodes.first
var_node = nodes.var_nodes.first
scope.add_variable var_node
scope.inner_scopes << Scope.new(nodes.block_nodes.first, scope)
variable = Variable.new(var_node, scope)
scope.inner_scopes.first.references?(variable).should be_false
end
end
describe "#add_variable" do
it "adds a new variable to the scope" do
scope = Scope.new as_node("")