|
|
@ -7,13 +7,6 @@ require "lox/scanner"
|
|
|
|
|
|
|
|
|
|
|
|
class TestResolver < Lox::Test
|
|
|
|
class TestResolver < Lox::Test
|
|
|
|
|
|
|
|
|
|
|
|
def setup
|
|
|
|
|
|
|
|
@ast_printer = Lox::AstPrinter.new
|
|
|
|
|
|
|
|
@scanner = Lox::Scanner.new
|
|
|
|
|
|
|
|
@interpreter = Interpreter.new
|
|
|
|
|
|
|
|
@resolver = Lox::Resolver.new(@interpreter)
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def test_resolver
|
|
|
|
def test_resolver
|
|
|
|
assert_resolved [
|
|
|
|
assert_resolved [
|
|
|
|
["(var j)", 0],
|
|
|
|
["(var j)", 0],
|
|
|
@ -47,17 +40,37 @@ class TestResolver < Lox::Test
|
|
|
|
SRC
|
|
|
|
SRC
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def test_same_var_name_in_scope
|
|
|
|
|
|
|
|
assert_raises Lox::ResolverError do
|
|
|
|
|
|
|
|
resolve(<<~SRC)
|
|
|
|
|
|
|
|
fun bad() {
|
|
|
|
|
|
|
|
var a = "first";
|
|
|
|
|
|
|
|
var a = "second";
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
SRC
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
private
|
|
|
|
private
|
|
|
|
|
|
|
|
|
|
|
|
def assert_resolved(expected, src)
|
|
|
|
def assert_resolved(expected, src)
|
|
|
|
stmts = Lox::Parser.new(@scanner.scan(src)).parse!
|
|
|
|
resolves = resolve(src)
|
|
|
|
@resolver.resolve(*stmts);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
assert_equal expected, @interpreter.resolves.map {|expr, depth|
|
|
|
|
ast_printer = Lox::AstPrinter.new
|
|
|
|
[@ast_printer.print(expr), depth]
|
|
|
|
assert_equal expected, resolves.map {|expr, depth|
|
|
|
|
|
|
|
|
[ast_printer.print(expr), depth]
|
|
|
|
}
|
|
|
|
}
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def resolve(src)
|
|
|
|
|
|
|
|
stmts = Lox::Parser.new(Lox::Scanner.new.scan(src)).parse!
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
interpreter = Interpreter.new
|
|
|
|
|
|
|
|
Lox::Resolver.new(interpreter).resolve(*stmts)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
interpreter.resolves
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
class Interpreter
|
|
|
|
class Interpreter
|
|
|
|
attr_reader :resolves
|
|
|
|
attr_reader :resolves
|
|
|
|
|
|
|
|
|
|
|
|