Merge branch 'master' into pr/705
This commit is contained in:
Paul Tagliamonte
commit
0dfa9123a2
@ -24,8 +24,8 @@ ap-if
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Usage: ``(ap-if (foo) (print it))``
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Evaluate the first form for trutheyness, and bind it to ``it`` in both the
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true and false branch.
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Evaluates the first form for truthiness, and bind it to ``it`` in both the
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true and false branches.
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.. _ap-each:
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@ -46,7 +46,7 @@ ap-each-while
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Usage: ``(ap-each-while list pred body)``
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Evaluate the form for each element where the predicate form returns
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True.
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``True``.
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.. code-block:: hy
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@ -63,7 +63,7 @@ ap-map
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Usage: ``(ap-map form list)``
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The anaphoric form of map works just like regular map except that
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instead of a function object it takes a Hy form. The special name,
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instead of a function object it takes a Hy form. The special name
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``it`` is bound to the current object from the list in the iteration.
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.. code-block:: hy
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@ -1,6 +1,6 @@
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Contrib Modules Index
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=====================
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=========================
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Contributor Modules Index
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=========================
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Contents:
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@ -4,8 +4,8 @@ loop/recur
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.. versionadded:: 0.10.0
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The loop/recur macro gives programmers a simple way to use tail-call
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optimization (TCO) in their Hy code.
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The ``loop`` / ``recur`` macro gives programmers a simple way to use
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tail-call optimization (TCO) in their Hy code.
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A tail call is a subroutine call that happens inside another
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procedure as its final action; it may produce a return value which
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@ -25,7 +25,7 @@ optimization (TCO) in their Hy code.
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allowing efficient structured programming.
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-- Wikipedia (http://en.wikipedia.org/wiki/Tail_call)
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Macros
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======
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@ -4,8 +4,8 @@ defmulti
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.. versionadded:: 0.10.0
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`defmulti` lets you arity-overload a function by the given number of
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args and/or kwargs. Inspired by clojures take on `defn`.
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``defmulti`` lets you arity-overload a function by the given number of
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args and/or kwargs. Inspired by Clojure's take on ``defn``.
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.. code-block:: clj
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File diff suppressed because it is too large
Load Diff
@ -7,7 +7,7 @@ Command Line Interface
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hy
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--
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Command line options
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Command Line Options
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^^^^^^^^^^^^^^^^^^^^
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.. cmdoption:: -c <command>
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@ -63,7 +63,7 @@ Command line options
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hyc
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---
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Command line options
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Command Line Options
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^^^^^^^^^^^^^^^^^^^^
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.. cmdoption:: file[, fileN]
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@ -94,7 +94,7 @@ hy2py
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.. versionadded:: 0.10.1
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Command line options
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Command Line Options
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^^^^^^^^^^^^^^^^^^^^
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.. cmdoption:: -s
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@ -1,10 +1,10 @@
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=================
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=======
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Hy Core
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=================
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=======
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Core Functions
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===============
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==============
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.. _butlast-fn:
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@ -13,7 +13,7 @@ butlast
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Usage: ``(butlast coll)``
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Returns an iterator of all but the last item in ``coll``.
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Returns an iterator of all but the last item in *coll*.
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.. code-block:: hy
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@ -40,7 +40,7 @@ coll?
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Usage: ``(coll? x)``
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Returns true if argument is iterable and not a string.
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Returns ``True`` if *x* is iterable and not a string.
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.. code-block:: hy
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@ -61,7 +61,7 @@ cons
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Usage: ``(cons a b)``
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Returns a fresh :ref:`cons cell <hycons>` with car `a` and cdr `b`.
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Returns a fresh :ref:`cons cell <hycons>` with car *a* and cdr *b*.
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.. code-block:: hy
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@ -81,7 +81,7 @@ cons?
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Usage: ``(cons? foo)``
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Checks whether ``foo`` is a :ref:`cons cell <hycons>`.
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Checks whether *foo* is a :ref:`cons cell <hycons>`.
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.. code-block:: hy
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@ -103,9 +103,8 @@ dec
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Usage: ``(dec x)``
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Return one less than x. Equivalent to ``(- x 1)``.
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Raises ``TypeError`` if ``(not (numeric? x))``.
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Returns one less than *x*. Equivalent to ``(- x 1)``. Raises ``TypeError``
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if ``(not (numeric? x))``.
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.. code-block:: hy
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@ -128,8 +127,8 @@ disassemble
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Usage: ``(disassemble tree &optional [codegen false])``
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Dump the Python AST for given Hy ``tree`` to standard output. If *codegen*
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is ``true`` function prints Python code instead.
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Dump the Python AST for given Hy *tree* to standard output. If *codegen*
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is ``True``, the function prints Python code instead.
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.. code-block:: hy
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@ -149,7 +148,7 @@ empty?
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Usage: ``(empty? coll)``
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Return True if ``coll`` is empty, i.e. ``(= 0 (len coll))``.
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Returns ``True`` if *coll* is empty. Equivalent to ``(= 0 (len coll))``.
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.. code-block:: hy
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@ -172,7 +171,8 @@ every?
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Usage: ``(every? pred coll)``
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Return True if ``(pred x)`` is logical true for every ``x`` in ``coll``, otherwise False. Return True if ``coll`` is empty.
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Returns ``True`` if ``(pred x)`` is logical true for every *x* in *coll*,
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otherwise ``False``. Return ``True`` if *coll* is empty.
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.. code-block:: hy
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@ -196,7 +196,7 @@ float?
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Usage: ``(float? x)``
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Return True if x is a float.
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Returns ``True`` if *x* is a float.
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.. code-block:: hy
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@ -214,9 +214,8 @@ even?
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Usage: ``(even? x)``
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Return True if x is even.
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Raises ``TypeError`` if ``(not (numeric? x))``.
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Returns ``True`` if *x* is even. Raises ``TypeError`` if
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``(not (numeric? x))``.
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.. code-block:: hy
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@ -237,7 +236,7 @@ identity
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Usage: ``(identity x)``
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Returns argument supplied to the function
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Returns the argument supplied to the function.
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.. code-block:: hy
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@ -255,9 +254,8 @@ inc
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Usage: ``(inc x)``
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Return one more than x. Equivalent to ``(+ x 1)``.
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Raises ``TypeError`` if ``(not (numeric? x))``.
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Returns one more than *x*. Equivalent to ``(+ x 1)``. Raises ``TypeError``
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if ``(not (numeric? x))``.
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||||
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||||
.. code-block:: hy
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@ -276,9 +274,9 @@ Raises ``TypeError`` if ``(not (numeric? x))``.
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instance?
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---------
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Usage: ``(instance? CLASS x)``
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Usage: ``(instance? class x)``
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Return True if x is an instance of CLASS.
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Returns ``True`` if *x* is an instance of *class*.
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.. code-block:: hy
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@ -303,7 +301,7 @@ integer?
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Usage: ``(integer? x)``
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Return True if x is an integer. For Python 2, this is
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Returns `True` if *x* is an integer. For Python 2, this is
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either ``int`` or ``long``. For Python 3, this is ``int``.
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.. code-block:: hy
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@ -324,7 +322,8 @@ interleave
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Usage: ``(interleave seq1 seq2 ...)``
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Return an iterable of the first item in each of the sequences, then the second etc.
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Returns an iterable of the first item in each of the sequences,
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then the second, etc.
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.. code-block:: hy
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@ -344,7 +343,7 @@ interpose
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Usage: ``(interpose item seq)``
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Return an iterable of the elements of the sequence separated by the item.
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Returns an iterable of the elements of the sequence separated by the item.
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.. code-block:: hy
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@ -362,7 +361,7 @@ iterable?
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Usage: ``(iterable? x)``
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Return True if x is iterable. Iterable objects return a new iterator
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Returns ``True`` if *x* is iterable. Iterable objects return a new iterator
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when ``(iter x)`` is called. Contrast with :ref:`iterator?-fn`.
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.. code-block:: hy
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@ -395,9 +394,9 @@ iterator?
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Usage: ``(iterator? x)``
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|
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Return True if x is an iterator. Iterators are objects that return
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themselves as an iterator when ``(iter x)`` is called.
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Contrast with :ref:`iterable?-fn`.
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Returns ``True`` if *x* is an iterator. Iterators are objects that return
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themselves as an iterator when ``(iter x)`` is called. Contrast with
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:ref:`iterable?-fn`.
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.. code-block:: hy
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@ -417,12 +416,15 @@ Contrast with :ref:`iterable?-fn`.
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=> (iterator? (iter {:a 1 :b 2 :c 3}))
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True
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.. _list*-fn:
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||||
|
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list*
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-----
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||||
|
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Usage: ``(list* head &rest tail)``
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||||
|
||||
Generate a chain of nested cons cells (a dotted list) containing the
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Generates a chain of nested cons cells (a dotted list) containing the
|
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arguments. If the argument list only has one element, return it.
|
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|
||||
.. code-block:: hy
|
||||
@ -448,7 +450,7 @@ macroexpand
|
||||
|
||||
Usage: ``(macroexpand form)``
|
||||
|
||||
Returns the full macro expansion of form.
|
||||
Returns the full macro expansion of *form*.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -467,7 +469,7 @@ macroexpand-1
|
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|
||||
Usage: ``(macroexpand-1 form)``
|
||||
|
||||
Returns the single step macro expansion of form.
|
||||
Returns the single step macro expansion of *form*.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -482,14 +484,14 @@ merge-with
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||||
|
||||
.. versionadded:: 0.10.1
|
||||
|
||||
Usage: ``(merge-with f &rest maps)
|
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Usage: ``(merge-with f &rest maps)``
|
||||
|
||||
Returns a map that consist of the rest of the maps joined onto first.
|
||||
If a key occurs in more than one map, the mapping(s) from the latter
|
||||
(left-to-right) will be combined with the mapping in the result by
|
||||
calling ``(f val-in-result val-in-latter)``.
|
||||
|
||||
.. code-block:: clojure
|
||||
.. code-block:: hy
|
||||
|
||||
=> (merge-with (fn [x y] (+ x y)) {"a" 10 "b" 20} {"a" 1 "c" 30})
|
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{u'a': 11L, u'c': 30L, u'b': 20L}
|
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@ -502,9 +504,8 @@ neg?
|
||||
|
||||
Usage: ``(neg? x)``
|
||||
|
||||
Return True if x is less than zero (0).
|
||||
|
||||
Raises ``TypeError`` if ``(not (numeric? x))``.
|
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Returns ``True`` if *x* is less than zero. Raises ``TypeError`` if
|
||||
``(not (numeric? x))``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -521,11 +522,11 @@ Raises ``TypeError`` if ``(not (numeric? x))``.
|
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.. _nil?-fn:
|
||||
|
||||
nil?
|
||||
-----
|
||||
----
|
||||
|
||||
Usage: ``(nil? x)``
|
||||
|
||||
Return True if x is nil/None.
|
||||
Returns ``True`` if *x* is ``nil`` / ``None``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -554,7 +555,7 @@ none?
|
||||
|
||||
Usage: ``(none? x)``
|
||||
|
||||
Return True if x is None.
|
||||
Returns ``True`` if *x* is ``None``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -580,9 +581,9 @@ nth
|
||||
|
||||
Usage: ``(nth coll n &optional [default nil])``
|
||||
|
||||
Return the `nth` item in a collection, counting from 0. Return the
|
||||
Returns the *n*-th item in a collection, counting from 0. Return the
|
||||
default value, ``nil``, if out of bounds (unless specified otherwise).
|
||||
Raise ``ValueError`` if ``n`` is negative.
|
||||
Raises ``ValueError`` if *n* is negative.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -610,12 +611,12 @@ Raise ``ValueError`` if ``n`` is negative.
|
||||
.. _numeric?-fn:
|
||||
|
||||
numeric?
|
||||
---------
|
||||
--------
|
||||
|
||||
Usage: ``(numeric? x)``
|
||||
|
||||
Return True if x is a numeric, as defined in the Python
|
||||
numbers module class ``numbers.Number``.
|
||||
Returns ``True`` if *x* is a numeric, as defined in Python's
|
||||
``numbers.Number`` class.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -636,9 +637,8 @@ odd?
|
||||
|
||||
Usage: ``(odd? x)``
|
||||
|
||||
Return True if x is odd.
|
||||
|
||||
Raises ``TypeError`` if ``(not (numeric? x))``.
|
||||
Returns ``True`` if *x* is odd. Raises ``TypeError`` if
|
||||
``(not (numeric? x))``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -659,9 +659,8 @@ pos?
|
||||
|
||||
Usage: ``(pos? x)``
|
||||
|
||||
Return True if x is greater than zero (0).
|
||||
|
||||
Raises ``TypeError`` if ``(not (numeric? x))``.
|
||||
Returns ``True`` if *x* is greater than zero. Raises ``TypeError``
|
||||
if ``(not (numeric? x))``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -678,12 +677,11 @@ Raises ``TypeError`` if ``(not (numeric? x))``.
|
||||
.. _second-fn:
|
||||
|
||||
second
|
||||
-------
|
||||
------
|
||||
|
||||
Usage: ``(second coll)``
|
||||
|
||||
Return the second member of ``coll``. Equivalent to
|
||||
``(get coll 1)``
|
||||
Returns the second member of *coll*. Equivalent to ``(get coll 1)``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -700,8 +698,8 @@ some
|
||||
|
||||
Usage: ``(some pred coll)``
|
||||
|
||||
Return the first logical true value of ``(pred x)`` for any ``x`` in
|
||||
``coll``, otherwise ``nil``. Return ``nil`` if ``coll`` is empty.
|
||||
Returns the first logically-true value of ``(pred x)`` for any ``x`` in
|
||||
*coll*, otherwise ``nil``. Return ``nil`` if *coll* is empty.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -728,7 +726,7 @@ string?
|
||||
|
||||
Usage: ``(string? x)``
|
||||
|
||||
Return True if x is a string.
|
||||
Returns ``True`` if *x* is a string.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -745,7 +743,7 @@ zero?
|
||||
|
||||
Usage: ``(zero? x)``
|
||||
|
||||
Return True if x is zero (0).
|
||||
Returns ``True`` if *x* is zero.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -760,7 +758,7 @@ Return True if x is zero (0).
|
||||
|
||||
|
||||
Sequence Functions
|
||||
=======================
|
||||
==================
|
||||
|
||||
Sequence functions can either create or operate on a potentially
|
||||
infinite sequence without requiring the sequence be fully realized in
|
||||
@ -819,11 +817,11 @@ To get the Fibonacci number at index 9, (starting from 0):
|
||||
.. _cycle-fn:
|
||||
|
||||
cycle
|
||||
------
|
||||
-----
|
||||
|
||||
Usage: ``(cycle coll)``
|
||||
|
||||
Return an infinite iterator of the members of coll.
|
||||
Returns an infinite iterator of the members of coll.
|
||||
|
||||
.. code-block:: clj
|
||||
|
||||
@ -841,7 +839,7 @@ distinct
|
||||
|
||||
Usage: ``(distinct coll)``
|
||||
|
||||
Returns an iterator containing only the unique members in ``coll``.
|
||||
Returns an iterator containing only the unique members in *coll*.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -862,8 +860,8 @@ drop
|
||||
|
||||
Usage: ``(drop n coll)``
|
||||
|
||||
Return an iterator, skipping the first ``n`` members of ``coll``
|
||||
Raises ``ValueError`` if ``n`` is negative.
|
||||
Returns an iterator, skipping the first *n* members of *coll*.
|
||||
Raises ``ValueError`` if *n* is negative.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -887,7 +885,8 @@ drop-last
|
||||
|
||||
Usage: ``(drop-last n coll)``
|
||||
|
||||
Return an iterator of all but the last ``n`` items in ``coll``. Raise ``ValueError`` if ``n`` is negative.
|
||||
Returns an iterator of all but the last *n* items in *coll*. Raises
|
||||
``ValueError`` if *n* is negative.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -912,8 +911,7 @@ drop-while
|
||||
|
||||
Usage: ``(drop-while pred coll)``
|
||||
|
||||
Return an iterator, skipping members of ``coll`` until ``pred``
|
||||
is False.
|
||||
Returns an iterator, skipping members of *coll* until *pred* is ``False``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -934,7 +932,7 @@ filter
|
||||
|
||||
Usage: ``(filter pred coll)``
|
||||
|
||||
Return an iterator for all items in ``coll`` that pass the predicate ``pred``.
|
||||
Returns an iterator for all items in *coll* that pass the predicate *pred*.
|
||||
|
||||
See also :ref:`remove-fn`.
|
||||
|
||||
@ -955,7 +953,7 @@ flatten
|
||||
|
||||
Usage: ``(flatten coll)``
|
||||
|
||||
Return a single list of all the items in ``coll``, by flattening all
|
||||
Returns a single list of all the items in *coll*, by flattening all
|
||||
contained lists and/or tuples.
|
||||
|
||||
.. code-block:: hy
|
||||
@ -974,7 +972,7 @@ iterate
|
||||
|
||||
Usage: ``(iterate fn x)``
|
||||
|
||||
Return an iterator of `x`, `fn(x)`, `fn(fn(x))`.
|
||||
Returns an iterator of *x*, *fn(x)*, *fn(fn(x))*, etc.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -992,10 +990,9 @@ read
|
||||
|
||||
Usage: ``(read &optional [from-file eof])``
|
||||
|
||||
Reads the next hy expression from `from-file` (defaults to `sys.stdin`), and
|
||||
can take a single byte as EOF (defaults to an empty string).
|
||||
Raises an `EOFError` if `from-file` ends before a complete expression can be
|
||||
parsed.
|
||||
Reads the next Hy expression from *from-file* (defaulting to ``sys.stdin``), and
|
||||
can take a single byte as EOF (defaults to an empty string). Raises ``EOFError``
|
||||
if *from-file* ends before a complete expression can be parsed.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -1039,8 +1036,8 @@ remove
|
||||
|
||||
Usage: ``(remove pred coll)``
|
||||
|
||||
Return an iterator from ``coll`` with elements that pass the
|
||||
predicate, ``pred``, removed.
|
||||
Returns an iterator from *coll* with elements that pass the
|
||||
predicate, *pred*, removed.
|
||||
|
||||
See also :ref:`filter-fn`.
|
||||
|
||||
@ -1064,7 +1061,7 @@ repeat
|
||||
|
||||
Usage: ``(repeat x)``
|
||||
|
||||
Return an iterator (infinite) of ``x``.
|
||||
Returns an iterator (infinite) of ``x``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -1079,7 +1076,7 @@ repeatedly
|
||||
|
||||
Usage: ``(repeatedly fn)``
|
||||
|
||||
Return an iterator by calling ``fn`` repeatedly.
|
||||
Returns an iterator by calling *fn* repeatedly.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -1096,8 +1093,8 @@ take
|
||||
|
||||
Usage: ``(take n coll)``
|
||||
|
||||
Return an iterator containing the first ``n`` members of ``coll``.
|
||||
Raises ``ValueError`` if ``n`` is negative.
|
||||
Returns an iterator containing the first *n* members of *coll*.
|
||||
Raises ``ValueError`` if *n* is negative.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -1117,7 +1114,7 @@ take-nth
|
||||
|
||||
Usage: ``(take-nth n coll)``
|
||||
|
||||
Return an iterator containing every ``nth`` member of ``coll``.
|
||||
Returns an iterator containing every *n*-th member of *coll*.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -1141,7 +1138,7 @@ take-while
|
||||
|
||||
Usage: ``(take-while pred coll)``
|
||||
|
||||
Return an iterator from ``coll`` as long as predicate, ``pred`` returns True.
|
||||
Returns an iterator from *coll* as long as *pred* returns ``True``.
|
||||
|
||||
.. code-block:: hy
|
||||
|
||||
@ -1154,7 +1151,7 @@ Return an iterator from ``coll`` as long as predicate, ``pred`` returns True.
|
||||
=> (list (take-while neg? [ 1 2 3 -4 5]))
|
||||
[]
|
||||
|
||||
.. _zipwith:
|
||||
.. _zipwith-fn:
|
||||
|
||||
zipwith
|
||||
-------
|
||||
@ -1163,10 +1160,11 @@ zipwith
|
||||
|
||||
Usage: ``(zipwith fn coll ...)``
|
||||
|
||||
Equivalent to ``zip``, but uses a multi-argument function instead of creating a tuple.
|
||||
If ``zipwith`` is called with N collections, then ``fn`` must accept N arguments.
|
||||
Equivalent to ``zip``, but uses a multi-argument function instead of creating
|
||||
a tuple. If ``zipwith`` is called with N collections, then *fn* must accept
|
||||
N arguments.
|
||||
|
||||
.. code-block:: clojure
|
||||
.. code-block:: hy
|
||||
|
||||
=> (import operator)
|
||||
=> (list (zipwith operator.add [1 2 3] [4 5 6]))
|
||||
|
||||
@ -10,7 +10,7 @@ Internal Hy Documentation
|
||||
Hy Models
|
||||
=========
|
||||
|
||||
Introduction to Hy models
|
||||
Introduction to Hy Models
|
||||
-------------------------
|
||||
|
||||
Hy models are a very thin layer on top of regular Python objects,
|
||||
@ -33,7 +33,7 @@ macros, be that in the compiler or in pure hy macros.
|
||||
``HyObject`` is not intended to be used directly to instantiate Hy
|
||||
models, but only as a mixin for other classes.
|
||||
|
||||
Compound models
|
||||
Compound Models
|
||||
---------------
|
||||
|
||||
Parenthesized and bracketed lists are parsed as compound models by the
|
||||
@ -77,7 +77,7 @@ The decision of using a list instead of a dict as the base class for
|
||||
benefit of allowing compound expressions as dict keys (as, for instance,
|
||||
the :ref:`HyExpression` Python class isn't hashable).
|
||||
|
||||
Atomic models
|
||||
Atomic Models
|
||||
-------------
|
||||
|
||||
In the input stream, double-quoted strings, respecting the Python
|
||||
@ -115,7 +115,7 @@ strings.
|
||||
|
||||
.. _hy_numeric_models:
|
||||
|
||||
Numeric models
|
||||
Numeric Models
|
||||
~~~~~~~~~~~~~~
|
||||
|
||||
``hy.models.integer.HyInteger`` represents integer literals (using the
|
||||
@ -217,7 +217,7 @@ from source to runtime.
|
||||
|
||||
.. _lexing:
|
||||
|
||||
Steps 1 and 2: Tokenizing and parsing
|
||||
Steps 1 and 2: Tokenizing and Parsing
|
||||
-------------------------------------
|
||||
|
||||
The first stage of compiling Hy is to lex the source into tokens that we can
|
||||
@ -238,7 +238,7 @@ on (directly), and it's what the compiler uses when it compiles Hy down.
|
||||
|
||||
.. _compiling:
|
||||
|
||||
Step 3: Hy compilation to Python AST
|
||||
Step 3: Hy Compilation to Python AST
|
||||
------------------------------------
|
||||
|
||||
This is where most of the magic in Hy happens. This is where we take Hy AST
|
||||
@ -262,7 +262,7 @@ All methods that preform a compilation are marked with the ``@builds()``
|
||||
decorator. You can either pass the class of the Hy model that it compiles,
|
||||
or you can use a string for expressions. I'll clear this up in a second.
|
||||
|
||||
First stage type-dispatch
|
||||
First Stage Type-Dispatch
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
Let's start in the ``compile`` method. The first thing we do is check the
|
||||
@ -276,14 +276,14 @@ Hy AST to Python AST. The ``compile_string`` method takes the ``HyString``, and
|
||||
returns an ``ast.Str()`` that's populated with the correct line-numbers and
|
||||
content.
|
||||
|
||||
Macro-expand
|
||||
Macro-Expand
|
||||
~~~~~~~~~~~~
|
||||
|
||||
If we get a ``HyExpression``, we'll attempt to see if this is a known
|
||||
Macro, and push to have it expanded by invoking ``hy.macros.macroexpand``, then
|
||||
push the result back into ``HyASTCompiler.compile``.
|
||||
|
||||
Second stage expression-dispatch
|
||||
Second Stage Expression-Dispatch
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
The only special case is the ``HyExpression``, since we need to create different
|
||||
@ -300,7 +300,7 @@ properly handle that case as well (most likely by raising an ``Exception``).
|
||||
If the String isn't known to Hy, it will default to create an ``ast.Call``,
|
||||
which will try to do a runtime call (in Python, something like ``foo()``).
|
||||
|
||||
Issues hit with Python AST
|
||||
Issues Hit with Python AST
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
Python AST is great; it's what's enabled us to write such a powerful project
|
||||
@ -351,7 +351,7 @@ into::
|
||||
By forcing things into an ``ast.expr`` if we can, but the general idea holds.
|
||||
|
||||
|
||||
Step 4: Python bytecode output and runtime
|
||||
Step 4: Python Bytecode Output and Runtime
|
||||
------------------------------------------
|
||||
|
||||
After we have a Python AST tree that's complete, we can try and compile it to
|
||||
@ -365,8 +365,8 @@ Hy Macros
|
||||
|
||||
.. _using-gensym:
|
||||
|
||||
Using gensym for safer macros
|
||||
------------------------------
|
||||
Using gensym for Safer Macros
|
||||
-----------------------------
|
||||
|
||||
When writing macros, one must be careful to avoid capturing external variables
|
||||
or using variable names that might conflict with user code.
|
||||
@ -447,13 +447,13 @@ Our final version of ``nif``, built with ``defmacro/g!`` becomes:
|
||||
|
||||
|
||||
|
||||
Checking macro arguments and raising exceptions
|
||||
Checking Macro Arguments and Raising Exceptions
|
||||
-----------------------------------------------
|
||||
|
||||
|
||||
|
||||
Hy Compiler Builtins
|
||||
====================
|
||||
Hy Compiler Built-Ins
|
||||
=====================
|
||||
|
||||
.. todo::
|
||||
Write this.
|
||||
|
||||
@ -6,8 +6,8 @@
|
||||
Reader Macros
|
||||
=============
|
||||
|
||||
Reader macros gives LISP the power to modify and alter syntax on the fly.
|
||||
You don't want polish notation? A reader macro can easily do just that. Want
|
||||
Reader macros gives Lisp the power to modify and alter syntax on the fly.
|
||||
You don't want Polish notation? A reader macro can easily do just that. Want
|
||||
Clojure's way of having a regex? Reader macros can also do this easily.
|
||||
|
||||
|
||||
@ -33,7 +33,7 @@ else. This is a problem reader macros are able to solve in a neat way.
|
||||
=> #t(1 2 3)
|
||||
(1, 2, 3)
|
||||
|
||||
You could even do like clojure, and have a literal for regular expressions!
|
||||
You could even do it like Clojure and have a literal for regular expressions!
|
||||
|
||||
::
|
||||
|
||||
@ -46,10 +46,10 @@ You could even do like clojure, and have a literal for regular expressions!
|
||||
Implementation
|
||||
==============
|
||||
|
||||
``defreader`` takes a single character as symbol name for the reader macro,
|
||||
anything longer will return an error. Implementation wise, ``defreader``
|
||||
expands into a lambda covered with a decorator, this decorator saves the
|
||||
lambda in a dict with its module name and symbol.
|
||||
``defreader`` takes a single character as symbol name for the reader macro;
|
||||
anything longer will return an error. Implementation-wise, ``defreader``
|
||||
expands into a lambda covered with a decorator. This decorator saves the
|
||||
lambda in a dictionary with its module name and symbol.
|
||||
|
||||
::
|
||||
|
||||
|
||||
@ -27,7 +27,7 @@ Quickstart
|
||||
|
||||
6. Hit CTRL-D when you're done.
|
||||
|
||||
OMG! That's amazing! I want to write a Hy program.
|
||||
*OMG! That's amazing! I want to write a Hy program.*
|
||||
|
||||
7. Open up an elite programming editor and type::
|
||||
|
||||
|
||||
@ -264,8 +264,8 @@ What you'll notice is that ``cond`` switches off between a some statement
|
||||
that is executed and checked conditionally for true or falseness, and
|
||||
then a bit of code to execute if it turns out to be true. You'll also
|
||||
notice that the ``else`` is implemented at the end simply by checking
|
||||
for "true"--that's because true will always be true, so if we get this
|
||||
far, we'll always run that one!
|
||||
for ``true`` -- that's because ``true`` will always be true, so if we get
|
||||
this far, we'll always run that one!
|
||||
|
||||
You might notice above that if you have code like:
|
||||
|
||||
@ -325,7 +325,7 @@ example:
|
||||
(os.mkdir "/tmp/somedir/anotherdir")
|
||||
(print "Hey, that path isn't there!"))
|
||||
|
||||
Python's context managers ('with' statements) are used like this:
|
||||
Python's context managers (``with`` statements) are used like this:
|
||||
|
||||
.. code-block:: clj
|
||||
|
||||
@ -542,7 +542,7 @@ Protips!
|
||||
========
|
||||
|
||||
Hy also features something known as the "threading macro", a really neat
|
||||
feature of Clojure's. The "threading macro" (written as "->"), is used
|
||||
feature of Clojure's. The "threading macro" (written as ``->``) is used
|
||||
to avoid deep nesting of expressions.
|
||||
|
||||
The threading macro inserts each expression into the next expression's first
|
||||
|
||||
44
hy/errors.py
44
hy/errors.py
@ -21,10 +21,12 @@
|
||||
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
# DEALINGS IN THE SOFTWARE.
|
||||
|
||||
from hy._compat import PY3
|
||||
|
||||
import traceback
|
||||
|
||||
from clint.textui import colored
|
||||
|
||||
from hy._compat import PY3
|
||||
|
||||
|
||||
class HyError(Exception):
|
||||
"""
|
||||
@ -34,44 +36,6 @@ class HyError(Exception):
|
||||
pass
|
||||
|
||||
|
||||
try:
|
||||
from clint.textui import colored
|
||||
except Exception:
|
||||
class colored:
|
||||
|
||||
@staticmethod
|
||||
def black(foo):
|
||||
return foo
|
||||
|
||||
@staticmethod
|
||||
def red(foo):
|
||||
return foo
|
||||
|
||||
@staticmethod
|
||||
def green(foo):
|
||||
return foo
|
||||
|
||||
@staticmethod
|
||||
def yellow(foo):
|
||||
return foo
|
||||
|
||||
@staticmethod
|
||||
def blue(foo):
|
||||
return foo
|
||||
|
||||
@staticmethod
|
||||
def magenta(foo):
|
||||
return foo
|
||||
|
||||
@staticmethod
|
||||
def cyan(foo):
|
||||
return foo
|
||||
|
||||
@staticmethod
|
||||
def white(foo):
|
||||
return foo
|
||||
|
||||
|
||||
class HyCompileError(HyError):
|
||||
def __init__(self, exception, traceback=None):
|
||||
self.exception = exception
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
# Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
|
||||
# Copyright (c) 2013 Bob Tolbert <bob@tolbert.org>
|
||||
# Copyright (c) 2013, 2014 Bob Tolbert <bob@tolbert.org>
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a
|
||||
# copy of this software and associated documentation files (the "Software"),
|
||||
@ -209,5 +209,5 @@ class MetaImporter(object):
|
||||
return MetaLoader(path)
|
||||
|
||||
|
||||
sys.meta_path.append(MetaImporter())
|
||||
sys.meta_path.insert(0, MetaImporter())
|
||||
sys.path.insert(0, "")
|
||||
|
||||
3
setup.py
3
setup.py
@ -45,7 +45,7 @@ long_description = """Hy is a Python <--> Lisp layer. It helps
|
||||
make things work nicer, and lets Python and the Hy lisp variant play
|
||||
nice together. """
|
||||
|
||||
install_requires = ['rply>=0.7.0', 'astor>=0.3']
|
||||
install_requires = ['rply>=0.7.0', 'astor>=0.3', 'clint>=0.4']
|
||||
if sys.version_info[:2] < (2, 7):
|
||||
install_requires.append('argparse>=1.2.1')
|
||||
install_requires.append('importlib>=1.0.2')
|
||||
@ -87,7 +87,6 @@ setup(
|
||||
"Programming Language :: Python :: 2.6",
|
||||
"Programming Language :: Python :: 2.7",
|
||||
"Programming Language :: Python :: 3",
|
||||
"Programming Language :: Python :: 3.2",
|
||||
"Programming Language :: Python :: 3.3",
|
||||
"Programming Language :: Python :: 3.4",
|
||||
"Topic :: Software Development :: Code Generators",
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
;; Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
|
||||
;; Copyright (c) 2013 Bob Tolbert <bob@tolbert.org>
|
||||
;; Copyright (c) 2013, 2014 Bob Tolbert <bob@tolbert.org>
|
||||
|
||||
;; Permission is hereby granted, free of charge, to any person obtaining a
|
||||
;; copy of this software and associated documentation files (the "Software"),
|
||||
@ -597,3 +597,8 @@
|
||||
(assert (not (keyword? ":foo")))
|
||||
(assert (not (keyword? 1)))
|
||||
(assert (not (keyword? nil))))
|
||||
|
||||
(defn test-import-init-hy []
|
||||
"NATIVE: testing import of __init__.hy"
|
||||
(import tests.resources.bin)
|
||||
(assert (in "_null_fn_for_import_test" (dir tests.resources.bin))))
|
||||
|
||||
@ -0,0 +1,2 @@
|
||||
(defn -null-fn-for-import-test []
|
||||
pass)
|
||||
Loading…
Reference in New Issue
Block a user