| Commit message (Collapse) | Author | Age | Files | Lines |
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This commit introduces a functional Path AST visitor and implements
`each` on the AST in terms of the functional visitor. The functional
visitor doesn't maintain state, so we only need to allocate one of them.
Given this benchmark route file:
```ruby
require 'action_pack'
require 'action_dispatch'
route_set = ActionDispatch::Routing::RouteSet.new
routes = ActionDispatch::Routing::Mapper.new route_set
ObjectSpace::AllocationTracer.setup(%i{path line type})
result = ObjectSpace::AllocationTracer.trace do
500.times{|i|
routes.resource :omglol
}
end
result.find_all { |k,v| k.first =~ /git\/rails/ }.sort_by { |k,v|
v.first
}.each { |k,v|
p k => v
}
```
node.rb line 17 was in our top 3 allocation spot:
```
{["/Users/aaron/git/rails/actionpack/lib/action_dispatch/journey/nodes/node.rb", 17, :T_OBJECT]=>[31526, 0, 28329, 0, 2, 1123160]}
{["/Users/aaron/git/rails/actionpack/lib/action_dispatch/routing/mapper.rb", 2080, :T_IMEMO]=>[34002, 0, 30563, 0, 2, 1211480]}
{["/Users/aaron/git/rails/actionpack/lib/action_dispatch/routing/mapper.rb", 2071, :T_IMEMO]=>[121934, 1, 109608, 0, 7, 4344400]}
```
This commit eliminates allocations at that place.
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add another predicate method so we can avoid is_a checks
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we don't really need this visitor
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Routes are always constructed with a list of required_defaults, so
there's no need to check whether or not it's nil
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we may want to change the name of the class at some point, so it's
better to use a predicate
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The string we create is almost always the same, so rather than joining
all the time, lets join once, then reuse that string everywhere.
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Improve params parser
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I would like to change the signature of the Route constructor. Since
the mapping object has all the data required to construct a Route
object, move the allocation to a factory method.
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We should build the routes using the user facing API which is `Mapper`.
This frees up the library internals to change as we see fit. IOW we
shouldn't be testing internals.
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|/ / /
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we can directly turn it in to a regular expression here, so we don't
need to test its value twice
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This is part of a larger refactoring on controller tests. We needed to
move these methods here so that we could get rid of the `|| key ==
:action || key == :controller` in `assign_parameters`. We know this is
ugly and intend to fix it but for now `generate_extras` needs to be used
in the two methods to access the path and the query_string_keys.
We're adding `:controller` and `:action` to the `query_string_keys`
because we always need a controller and action. If someone passed
`action` or `controller` in in there test they are unambigious - we
know they have to go into the query params.
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The outer router object already keeps a hash of named routes, so we
should just use that.
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refactor the tests with a backwards compatible method call so we can rm
add_route2 from the journey router
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then we can let the mapping object derive stuff that the Route object
needs.
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now that we aren't doing options manipulations, we can just pass the
mapping object down and read values from it.
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since we've extracted the `to` initialization, there's no need for
`process_path`
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if `to` was initialized, this method would return, so we can eliminate
the to ||= in the conditional. Finally, let's return a nil in the else
block so that it's explicit that this method can return nil
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Eventually we'll pull this up and delete `process_path`.
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We don't need a method for something like this. I want to pull this up
the stack as well and move the module + :controller ArgumentError up the
stack as well
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now we don't need to add it to a hash and delete it from the hash later
just to pass it around
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`add_route` needs the AST, so rather than shove it in a hash and delete
later, lets move parsing up the stack so we can pass down later
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also change the feeler to subclass AD::Request so that it has all the
methods that Request has
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Eventually I want to eliminate the FakeSet test class
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I'm going to reimplement this using route objects, so it will be easier
if we just change ast access to go through a method rather than hashes
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we don't need to keep adding it and deleting if from hashes.
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Eventually I want to pull up AST generation so that we don't have to add
it to the `conditions` hash.
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It just constructs a Path::Pattern object with the AST that it already
has
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This was a useless object. We can just directly construct a
Path::Pattern object without a Strexp object.
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the caller already has it, there is no reason to pack it in to an object
and just throw that object away.
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we always pass all parameters, so there is no reason to provide default
arguments.
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the caller already has access to `as`, so we can stop passing it around.
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the same value that is extracted from the options hash earlier is
returned, so we don't need to pass it in in the first place. The caller
already has the data, so stop passing it around.
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this way we don't have to mutate the options hash so far away from where
the user passed it in
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The `anchor` parameter [is overridden](https://github.com/rails/rails/blob/b4b4a611d0eb9aa1c640c5f521c6a43bf2a65bab/actionpack/lib/action_dispatch/routing/mapper.rb#L1528) unless it
is directly passed to `match`, so setting it in a scope must be a
mistake.
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I didn't like this method because it mutates the parameters. Now that
the method is so small, just push it up to `initialize`
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now the `@defaults` variable doesn't need to be set before calling
`normalize_defaults`
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These three options are stored in the `scope` chain outside of the
options hash. If they are in the options hash, then someone passed them
in to `match` and they don't really do anything. So lets remove the
code.
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remove `format` from the options hash in the scope chain so that we
don't need to remove it later
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this reduces the number of times we have to mutate the options hash.
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This just ensures that `format` is applied to things inside the scope
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