921 lines
13 KiB
Plaintext
921 lines
13 KiB
Plaintext
=====================================
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call without arguments
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=====================================
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fun do
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a
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end
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---
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(source
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(call
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(identifier)
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(do_block
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(identifier))))
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=====================================
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call with arguments in parentheses
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=====================================
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fun(a, b) do
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c
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end
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---
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(source
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(call
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(identifier)
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(arguments
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(identifier)
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(identifier))
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(do_block
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(identifier))))
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=====================================
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call with arguments without parentheses
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=====================================
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fun a, b do
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c
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end
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---
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(source
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(call
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(identifier)
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(arguments
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(identifier)
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(identifier))
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(do_block
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(identifier))))
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=====================================
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remote call
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=====================================
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Mod.fun do
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a
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end
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---
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(source
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(call
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(dot
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(alias)
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(identifier))
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(do_block
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(identifier))))
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=====================================
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sticks to the outermost call
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=====================================
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outer_fun inner_fun arg do
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a
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end
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---
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(source
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(call
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(identifier)
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(arguments
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(call
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(identifier)
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(arguments
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(identifier))))
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(do_block
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(identifier))))
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=====================================
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newline before do
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=====================================
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fun x
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do
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x
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end
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fun x
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# comment
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do
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x
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end
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fun()
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do
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x
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end
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Mod.fun x
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do
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x
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end
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---
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(source
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(call
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(identifier)
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(arguments
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(identifier))
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(do_block
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(identifier)))
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(call
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(identifier)
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(arguments
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(identifier))
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(comment)
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(do_block
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(identifier)))
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(call
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(identifier)
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(arguments)
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(do_block
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(identifier)))
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(call
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(dot
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(alias)
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(identifier))
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(arguments
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(identifier))
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(do_block
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(identifier))))
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=====================================
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stab clause / no arguments
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=====================================
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fun do
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() -> x
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end
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---
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(source
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(call
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(identifier)
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(do_block
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(stab_clause
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(arguments)
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(body
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(identifier))))))
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=====================================
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stab clause / no arguments without parentheses
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=====================================
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fun do
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-> x
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end
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---
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(source
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(call
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(identifier)
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(do_block
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(stab_clause
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(body
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(identifier))))))
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=====================================
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stab clause / one argument
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=====================================
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fun do
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x -> x
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end
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---
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(source
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(call
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(identifier)
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(do_block
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(stab_clause
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(arguments
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(identifier))
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(body
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(identifier))))))
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=====================================
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stab clause / many arguments
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=====================================
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fun do
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x, y, 1 -> :ok
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end
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---
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(source
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(call
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(identifier)
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(do_block
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(stab_clause
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(arguments
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(identifier)
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(identifier)
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(integer))
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(body
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(atom))))))
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=====================================
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stab clause / arguments in parentheses
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=====================================
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fun do
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(x, y) -> :ok
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end
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---
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(source
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(call
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(identifier)
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(do_block
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(stab_clause
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(arguments
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(identifier)
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(identifier))
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(body
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(atom))))))
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=====================================
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stab clause / many clauses
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=====================================
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fun do
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1 -> :yes
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2 -> :no
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other -> :maybe
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end
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---
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(source
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(call
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(identifier)
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(do_block
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(stab_clause
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(arguments
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(integer))
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(body
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(atom)))
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(stab_clause
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(arguments
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(integer))
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(body
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(atom)))
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(stab_clause
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(arguments
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(identifier))
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(body
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(atom))))))
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=====================================
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stab clause / multiline expression
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=====================================
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fun do
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x ->
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y
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x
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end
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---
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|
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(source
|
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(call
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(identifier)
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(do_block
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(stab_clause
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(arguments
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(identifier))
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(body
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(identifier)
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(identifier))))))
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=====================================
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stab clause / with guard / no arguments
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=====================================
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fun do
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() when node() == :nonode@nohost -> true
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end
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---
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|
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(source
|
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(call
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(identifier)
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|
(do_block
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(stab_clause
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(binary_operator
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(arguments)
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(binary_operator
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(call
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(identifier)
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(arguments))
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(atom)))
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(body
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(boolean))))))
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=====================================
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stab clause / with guard / one argument
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=====================================
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fun do
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x when x == [] -> x
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end
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---
|
|
|
|
(source
|
|
(call
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|
(identifier)
|
|
(do_block
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(stab_clause
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(binary_operator
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(arguments
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(identifier))
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(binary_operator
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(identifier)
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(list)))
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(body
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(identifier))))))
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=====================================
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stab clause / with guard / multiple arguments
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=====================================
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fun do
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x, y when x == [] -> x
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end
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---
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|
|
(source
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|
(call
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|
(identifier)
|
|
(do_block
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|
(stab_clause
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(binary_operator
|
|
(arguments
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(identifier)
|
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(identifier))
|
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(binary_operator
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(identifier)
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(list)))
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(body
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(identifier))))))
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=====================================
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stab clause / with guard / arguments in parentheses
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=====================================
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fun do
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(x, y) when y == [] -> y
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end
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|
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---
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|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
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(binary_operator
|
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(arguments
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(identifier)
|
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(identifier))
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(binary_operator
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(identifier)
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(list)))
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(body
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(identifier))))))
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=====================================
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stab clause / with guard / multiple guards
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=====================================
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fun do
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x when x > 10 when x < 5 -> x
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end
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---
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|
|
|
(source
|
|
(call
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|
(identifier)
|
|
(do_block
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|
(stab_clause
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|
(binary_operator
|
|
(arguments
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(identifier))
|
|
(binary_operator
|
|
(binary_operator
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|
(identifier)
|
|
(integer))
|
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(binary_operator
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(identifier)
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(integer))))
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(body
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(identifier))))))
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=====================================
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stab clause / edge cases / no stab
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=====================================
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foo do
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a when a
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end
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foo do
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([])
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end
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|
|
---
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|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(binary_operator
|
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(identifier)
|
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(identifier))))
|
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(call
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(identifier)
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(do_block
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(block
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(list)))))
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=====================================
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stab clause / edge cases / "when" in arguments
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=====================================
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foo do
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a when b, c when d == e -> 1
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(a, a when b) -> 1
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end
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|
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---
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|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(binary_operator
|
|
(arguments
|
|
(binary_operator
|
|
(identifier)
|
|
(identifier))
|
|
(identifier))
|
|
(binary_operator
|
|
(identifier)
|
|
(identifier)))
|
|
(body
|
|
(integer)))
|
|
(stab_clause
|
|
(arguments
|
|
(identifier)
|
|
(binary_operator
|
|
(identifier)
|
|
(identifier)))
|
|
(body
|
|
(integer))))))
|
|
|
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=====================================
|
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stab clause / edge cases / block argument
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=====================================
|
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foo do
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(x; y) -> 1
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((x; y)) -> 1
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end
|
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|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(arguments
|
|
(block
|
|
(identifier)
|
|
(identifier)))
|
|
(body
|
|
(integer)))
|
|
(stab_clause
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|
(arguments
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|
(block
|
|
(identifier)
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|
(identifier)))
|
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(body
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(integer))))))
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=====================================
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stab clause / edge cases / operator with lower precedence than "when"
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=====================================
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foo do
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x <- y when x -> y
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end
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foo do
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(x <- y) when x -> y
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end
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|
|
---
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|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(arguments
|
|
(binary_operator
|
|
(identifier)
|
|
(binary_operator
|
|
(identifier)
|
|
(identifier))))
|
|
(body
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|
(identifier)))))
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(binary_operator
|
|
(arguments
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|
(binary_operator
|
|
(identifier)
|
|
(identifier)))
|
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(identifier))
|
|
(body
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(identifier))))))
|
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=====================================
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stab clause / edge cases / empty
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=====================================
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fun do->end
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---
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(source
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(call
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(identifier)
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(do_block
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(stab_clause))))
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|
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|
=====================================
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stab clause / edge cases / trailing call in multiline clause
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=====================================
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fun do
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1 ->
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1
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x
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1 ->
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1
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end
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|
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fun do
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1 ->
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1
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Mod.fun
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1 ->
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1
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end
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|
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fun do
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1 ->
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1
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mod.fun
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1 ->
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1
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end
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|
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fun do
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1 ->
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1
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x 1 ->
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1
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end
|
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|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(arguments
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|
(integer))
|
|
(body
|
|
(integer)
|
|
(identifier)))
|
|
(stab_clause
|
|
(arguments
|
|
(integer))
|
|
(body
|
|
(integer)))))
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(arguments
|
|
(integer))
|
|
(body
|
|
(integer)
|
|
(call
|
|
(dot
|
|
(alias)
|
|
(identifier)))))
|
|
(stab_clause
|
|
(arguments
|
|
(integer))
|
|
(body
|
|
(integer)))))
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(arguments
|
|
(integer))
|
|
(body
|
|
(integer)
|
|
(call
|
|
(dot
|
|
(identifier)
|
|
(identifier)))))
|
|
(stab_clause
|
|
(arguments
|
|
(integer))
|
|
(body
|
|
(integer)))))
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(arguments
|
|
(integer))
|
|
(body
|
|
(integer)))
|
|
(stab_clause
|
|
(arguments
|
|
(call
|
|
(identifier)
|
|
(arguments
|
|
(integer))))
|
|
(body
|
|
(integer))))))
|
|
|
|
=====================================
|
|
pattern matching
|
|
=====================================
|
|
|
|
fun do
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[h | tail] -> {h, tail}
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(stab_clause
|
|
(arguments
|
|
(list
|
|
(binary_operator
|
|
(identifier)
|
|
(identifier))))
|
|
(body
|
|
(tuple
|
|
(identifier)
|
|
(identifier)))))))
|
|
|
|
=====================================
|
|
child blocks / after
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|
=====================================
|
|
|
|
fun do
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|
x
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|
after
|
|
y
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(after_block
|
|
(identifier)))))
|
|
|
|
=====================================
|
|
child blocks / catch
|
|
=====================================
|
|
|
|
fun do
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|
x
|
|
catch
|
|
y
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(catch_block
|
|
(identifier)))))
|
|
|
|
=====================================
|
|
child blocks / else
|
|
=====================================
|
|
|
|
fun do
|
|
x
|
|
else
|
|
y
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(else_block
|
|
(identifier)))))
|
|
|
|
=====================================
|
|
child blocks / rescue
|
|
=====================================
|
|
|
|
fun do
|
|
x
|
|
rescue
|
|
y
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(rescue_block
|
|
(identifier)))))
|
|
|
|
=====================================
|
|
child blocks / duplicated
|
|
=====================================
|
|
|
|
fun do
|
|
x
|
|
after
|
|
y
|
|
after
|
|
z
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(after_block
|
|
(identifier))
|
|
(after_block
|
|
(identifier)))))
|
|
|
|
=====================================
|
|
child blocks / mixed
|
|
=====================================
|
|
|
|
fun do
|
|
x
|
|
else
|
|
y
|
|
after
|
|
z
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(else_block
|
|
(identifier))
|
|
(after_block
|
|
(identifier)))))
|
|
|
|
=====================================
|
|
child blocks / stab clause
|
|
=====================================
|
|
|
|
fun do
|
|
x
|
|
rescue
|
|
y -> y
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(rescue_block
|
|
(stab_clause
|
|
(arguments
|
|
(identifier))
|
|
(body
|
|
(identifier)))))))
|
|
|
|
=====================================
|
|
child blocks / keyword pattern with child block start token
|
|
=====================================
|
|
|
|
fun do
|
|
x
|
|
after
|
|
after
|
|
after: 1 -> y
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
(identifier)
|
|
(do_block
|
|
(identifier)
|
|
(after_block)
|
|
(after_block
|
|
(stab_clause
|
|
(arguments
|
|
(keywords
|
|
(pair
|
|
(keyword)
|
|
(integer))))
|
|
(body
|
|
(identifier)))))))
|
|
|
|
=====================================
|
|
[field names]
|
|
=====================================
|
|
|
|
fun do
|
|
x -> x
|
|
x when x == [] -> x
|
|
end
|
|
|
|
---
|
|
|
|
(source
|
|
(call
|
|
target: (identifier)
|
|
(do_block
|
|
(stab_clause
|
|
left: (arguments
|
|
(identifier))
|
|
right: (body
|
|
(identifier)))
|
|
(stab_clause
|
|
left: (binary_operator
|
|
left: (arguments
|
|
(identifier))
|
|
right: (binary_operator
|
|
left: (identifier)
|
|
right: (list)))
|
|
right: (body
|
|
(identifier))))))
|