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Editor for language composition

Python 100.00%

language-composition editor

eco's People

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willemneal snim2 britefury ajinkyakulkarni beardhatcode felixonmars 10183308 orbital-transfer-survey ptersilie ltratt comfreek

eco's Issues

Float Regex for Python and Javascript

r"([0-9]+\.?[0-9]*|\.[0-9]+)([eE](\+|-)?[0-9]+)?"

should be the regular expression which is used to detect number or float literals.

OS X Keyboard Shortcuts

Copy and paste

copy: ⌘ + C
paste: ⌘ + V
crop: ⌘ + X

jumps

jump start of line: ⌘ + ←
jump end of line: ⌘ + →
jump start of file: ⌘ + ↑
jump end of file: ⌘ + ↓

Token jumps

jump to beginning of current word: ⌥ + ←
jump to end of current word: ⌥ + →

Select

select to start of line: ⇧ ⌘ + ←
select to end of line: ⇧⌘ + →
select to start of file: ⇧⌘ + ↑
select to end of file: ⇧⌘ + ↓

search: ⌘ + F
find next: ⌘ + G
find prev: ⇧⌘ + G

Auto indent should ignore indent from language boxes

Issue found by the random tester 2

___________________________________________________________ Test_Undo.test_undo_random_insertdeleteundo_slow ___________________________________________________________

self = <test.test_eco.Test_Undo instance at 0x7fffc6247b90>

    @slow
    def test_undo_random_insertdeleteundo_slow(self):
>       self.random_insert_delete_undo(programs.connect4)

test/test_eco.py:2175:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
test/test_eco.py:2285: in random_insert_delete_undo
    x = self.treemanager.key_delete()
treemanager.py:1011: in key_delete
    self.delete_linebreak(self.cursor.line, node)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <treemanager.TreeManager object at 0x7fffc129bd50>, y = 0, node = TextNode(Terminal(''\r''), 63, 0, <return>)

    def delete_linebreak(self, y, node):
        deleted = self.lines[y+1].node
>       assert deleted is node
E       assert TextNode(Terminal(''\r''), 63, 0, <return>) is TextNode(Terminal(''\r''), 63, 0, <return>)

treemanager.py:1462: AssertionError
------------------------------------------------------------------------- Captured stdout call -------------------------------------------------------------------------
self.treemanager.cursor_reset()
self.move(DOWN, 56)
self.move(RIGHT, 0)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 56)
self.move(RIGHT, 1)
self.treemanager.key_normal('u')
self.treemanager.cursor_reset()
self.move(DOWN, 56)
self.move(RIGHT, 4)
self.treemanager.key_normal('i')
self.treemanager.cursor_reset()
self.move(DOWN, 56)
self.move(RIGHT, 3)
self.treemanager.key_ctrl_z()
self.treemanager.cursor_reset()
self.move(DOWN, 56)
self.move(RIGHT, 2)
self.treemanager.key_ctrl_z()
self.treemanager.cursor_reset()
self.move(DOWN, 46)
self.move(RIGHT, 0)
self.treemanager.key_normal('\r')
self.treemanager.cursor_reset()
self.move(DOWN, 46)
self.move(RIGHT, 1)
self.treemanager.key_normal('!')
self.treemanager.cursor_reset()
self.move(DOWN, 46)
self.move(RIGHT, 3)
self.treemanager.key_normal('n')
self.treemanager.cursor_reset()
self.move(DOWN, 46)
self.move(RIGHT, 2)
self.treemanager.key_ctrl_z() 
self.treemanager.cursor_reset()
self.move(DOWN, 46)
self.move(RIGHT, 4)
self.treemanager.key_normal('a')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 4)
self.treemanager.key_delete() 
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 3)
self.treemanager.key_normal('9')
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 1)
self.treemanager.key_normal('(')
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 2)
self.treemanager.key_normal('^')
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 0)
self.treemanager.key_normal('.')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 50)
self.move(RIGHT, 1)
self.treemanager.key_normal('h')
self.treemanager.cursor_reset()
self.move(DOWN, 50)
self.move(RIGHT, 4)
self.treemanager.key_normal('}')
self.treemanager.cursor_reset()
self.move(DOWN, 50)
self.move(RIGHT, 0)
self.treemanager.key_normal('g')
self.treemanager.cursor_reset()
self.move(DOWN, 50)
self.move(RIGHT, 2)
self.treemanager.key_normal('n')
self.treemanager.cursor_reset()
self.move(DOWN, 50)
self.move(RIGHT, 3)
self.treemanager.key_ctrl_z() 
self.treemanager.cursor_reset()
self.move(DOWN, 60)
self.move(RIGHT, 4)
self.treemanager.key_normal(' ')
self.treemanager.cursor_reset()
self.move(DOWN, 60)
self.move(RIGHT, 2)
self.treemanager.key_normal('6')
self.treemanager.cursor_reset()
self.move(DOWN, 60)
self.move(RIGHT, 1)
self.treemanager.key_delete() 
self.treemanager.cursor_reset()
self.move(DOWN, 60)
self.move(RIGHT, 0)
self.treemanager.key_normal('o')
self.treemanager.cursor_reset()
self.move(DOWN, 60)
self.move(RIGHT, 3)
self.treemanager.key_delete() 
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 44)
self.move(RIGHT, 2)
self.treemanager.key_normal('l')
self.treemanager.cursor_reset()
self.move(DOWN, 44)
self.move(RIGHT, 4)
self.treemanager.key_normal('y')
self.treemanager.cursor_reset()
self.move(DOWN, 44)
self.move(RIGHT, 0)
self.treemanager.key_normal('[')
self.treemanager.cursor_reset()
self.move(DOWN, 44)
self.move(RIGHT, 3)
self.treemanager.key_delete() 
self.treemanager.cursor_reset()
self.move(DOWN, 44)
self.move(RIGHT, 1)
self.treemanager.key_normal('5')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 17)
self.move(RIGHT, 4)
self.treemanager.key_normal('e')
self.treemanager.cursor_reset()
self.move(DOWN, 17)
self.move(RIGHT, 1)
self.treemanager.key_normal('v')
self.treemanager.cursor_reset()
self.move(DOWN, 17)
self.move(RIGHT, 2)
self.treemanager.key_normal('5')
self.treemanager.cursor_reset()
self.move(DOWN, 17)
self.move(RIGHT, 0)
self.treemanager.key_normal('d')
self.treemanager.cursor_reset()
self.move(DOWN, 17)
self.move(RIGHT, 3)
self.treemanager.key_normal('g')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 21)
self.move(RIGHT, 4)
self.treemanager.key_ctrl_z() 
self.treemanager.cursor_reset()
self.move(DOWN, 21)
self.move(RIGHT, 1)
self.treemanager.key_normal('7')
self.treemanager.cursor_reset()
self.move(DOWN, 21)
self.move(RIGHT, 0)
self.treemanager.key_normal(')')
self.treemanager.cursor_reset()
self.move(DOWN, 21)
self.move(RIGHT, 3)
self.treemanager.key_normal('&')
self.treemanager.cursor_reset()
self.move(DOWN, 21)
self.move(RIGHT, 2)
self.treemanager.key_normal('j')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 3)
self.treemanager.key_normal('y')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 1)
self.treemanager.key_normal('\r')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 0)
self.treemanager.key_normal('\r')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 4)
self.treemanager.key_normal('4')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 2)
self.treemanager.key_delete() 
=========================================================== 1 failed, 84 passed, 8 skipped in 91.86 seconds ============================================================

Implement support for extended PyHyp backtrace information.

The compilation functions used in PyHyp now accept additional arguments which allow the editor to feedback information which can later be used in the VM for backtraces. Although the VM could figure this stuff out itself at runtime, it is more convenient for the editor to supply this info as it already knows this ahead of time.

For the functions:

compile_py_func_global
compile_py_func
compile_py_meth
compile_php_func

eco should pass two additional arguments:

filename -- the filename in which the language box appears.
line_offset -- the line number in filename in which the language box appears.

This is required for the PyHyp paper.

Many thanks

User specific key bindings

Users should have the possibility to create their own key bindings in eco.

Prolog comments cause remainder of line to be invisible

In a prolog box, if you type:

p(X, Y) % this is a call to p

Then everything after and including the percent is invisible.

Spoke with Lukas, apparently the % is being considered a whitespace character, and these are not drawn to improve performance.

Cheers

Feature request: context menu option to clear console

Make current language box more obvious

In the presence of many language boxes it can be really hard to know which box you are in. Although the boxes are different colours:

The colours can be very similar, making telling them apart hard.
The colours of the boxes change depending where the cursor is. I find it hard to build a mental map of the program I am editing when it keeps changing appearance.

We discussed putting a dashed border around the current box, whilst also colouring other boxes, but there may be issues with this.

Situation where colours are too subtle:
https://farm1.staticflickr.com/378/19751307154_2387137aa5_o.png

Example of dashed box idea:
https://farm4.staticflickr.com/3720/19753494503_2a8db22524_o.png

Hope this helps, Thanks

First undo doesn't work when loading a file

When loading an eco file the first undo doesn't work.

Overlay does not take account of language boxes of different heights

The overlay currently assumes that every line in the current document has the same height. This isn't always true, and it certainly isn't true if some of the language boxes contain images.

Improve open file / directory dialogs in Settings

When a user changes their settings, the current behaviour of all open file / directory dialogs is to open in the CWD. If the user has already bound a setting to some/very/very/very/very/long/path/executable it would be nicer to open the file / directory dialog directory some/very/very/very/very/long/path/

Debugging multi-file programs

For now, we will assume that any Python file the user wants to debug is contained within one file, but it would be nice to extend this so that the user can debug multi-file programs.

Pressing Ctrl-L outside of a file causes a crash

Load Eco and press Ctrl-L immediately (don't create a file first!):

Traceback (most recent call last):
  File "eco.py", line 814, in show_lbox_menu
    self.getEditor().showLanguageBoxMenu()
AttributeError: 'NoneType' object has no attribute 'showLanguageBoxMenu'

override selected text

When text is selected, it should be overwritten when typing.

Error found by randomised testing

=============================================== test session starts ===============================================
platform linux2 -- Python 2.7.11 -- py-1.4.31 -- pytest-2.7.1
rootdir: /home/snim2/Desktop/working/softdev/eco/lib/eco/test, inifile: 
plugins: hypothesis, xdist, cov
collected 121 items 

test/test_eco.py ..........ssssssss...................................................................................F...................

==================================================== FAILURES =====================================================
___________________________________ Test_Undo.test_undo_random_insertdeleteundo ___________________________________

self = <test.test_eco.Test_Undo instance at 0x7f20034b7a70>

    def test_undo_random_insertdeleteundo(self):
>       self.random_insert_delete_undo(programs.pythonsmall)

test/test_eco.py:2138: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
test/test_eco.py:2228: in random_insert_delete_undo
    self.text_compare(program)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <test.test_eco.Test_Undo instance at 0x7f20034b7a70>
original = ['class X:', '    def helloworld(x, y, z):', '        for x in range(0, 10):', '            if x == 1:', '                return 1', '            else:', ...]

    def text_compare(self, original):
        original = original.replace("\r", "").split("\n")
        current = self.treemanager.export_as_text("/dev/null").replace("\r", "").split("\n")

        for i in xrange(len(current)):
>           assert original[i] == current[i]
E           assert '        y = 2' == '&e ( { !     y = 2'
E             -         y = 2
E             + &e ( { !     y = 2

test/test_eco.py:1620: AssertionError
---------------------------------------------- Captured stdout call -----------------------------------------------
self.treemanager.cursor_reset()
self.move(DOWN, 1)
self.move(RIGHT, 0)
self.treemanager.key_normal(' ')
self.treemanager.cursor_reset()
self.move(DOWN, 1)
self.move(RIGHT, 3)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 1)
self.move(RIGHT, 2)
self.treemanager.key_normal('y')
self.treemanager.cursor_reset()
self.move(DOWN, 1)
self.move(RIGHT, 4)
self.treemanager.key_normal('*')
self.treemanager.cursor_reset()
self.move(DOWN, 1)
self.move(RIGHT, 1)
self.treemanager.key_normal('0')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 2)
self.move(RIGHT, 3)
self.treemanager.key_normal('a')
self.treemanager.cursor_reset()
self.move(DOWN, 2)
self.move(RIGHT, 4)
self.treemanager.key_ctrl_z()
self.treemanager.cursor_reset()
self.move(DOWN, 2)
self.move(RIGHT, 2)
self.treemanager.key_ctrl_z()
self.treemanager.cursor_reset()
self.move(DOWN, 2)
self.move(RIGHT, 1)
self.treemanager.key_normal('k')
self.treemanager.cursor_reset()
self.move(DOWN, 2)
self.move(RIGHT, 0)
self.treemanager.key_normal('t')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 13)
self.move(RIGHT, 1)
self.treemanager.key_normal('k')
self.treemanager.cursor_reset()
self.move(DOWN, 13)
self.move(RIGHT, 2)
self.treemanager.key_normal('&')
self.treemanager.cursor_reset()
self.move(DOWN, 13)
self.move(RIGHT, 0)
self.treemanager.key_normal('u')
self.treemanager.cursor_reset()
self.move(DOWN, 13)
self.move(RIGHT, 4)
self.treemanager.key_normal('\r')
self.treemanager.cursor_reset()
self.move(DOWN, 13)
self.move(RIGHT, 3)
self.treemanager.key_normal('w')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 4)
self.move(RIGHT, 1)
self.treemanager.key_normal('*')
self.treemanager.cursor_reset()
self.move(DOWN, 4)
self.move(RIGHT, 2)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 4)
self.move(RIGHT, 4)
self.treemanager.key_normal('!')
self.treemanager.cursor_reset()
self.move(DOWN, 4)
self.move(RIGHT, 3)
self.treemanager.key_normal('9')
self.treemanager.cursor_reset()
self.move(DOWN, 4)
self.move(RIGHT, 0)
self.treemanager.key_normal('x')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 12)
self.move(RIGHT, 4)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 12)
self.move(RIGHT, 1)
self.treemanager.key_normal('q')
self.treemanager.cursor_reset()
self.move(DOWN, 12)
self.move(RIGHT, 0)
self.treemanager.key_normal(':')
self.treemanager.cursor_reset()
self.move(DOWN, 12)
self.move(RIGHT, 2)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 12)
self.move(RIGHT, 3)
self.treemanager.key_normal('l')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 2)
self.treemanager.key_normal('q')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 3)
self.treemanager.key_normal('d')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 4)
self.treemanager.key_normal('z')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 1)
self.treemanager.key_normal(')')
self.treemanager.cursor_reset()
self.move(DOWN, 0)
self.move(RIGHT, 0)
self.treemanager.key_delete()
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 10)
self.move(RIGHT, 2)
self.treemanager.key_normal('y')
self.treemanager.cursor_reset()
self.move(DOWN, 10)
self.move(RIGHT, 4)
self.treemanager.key_normal('q')
self.treemanager.cursor_reset()
self.move(DOWN, 10)
self.move(RIGHT, 0)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 10)
self.move(RIGHT, 3)
self.treemanager.key_normal('+')
self.treemanager.cursor_reset()
self.move(DOWN, 10)
self.move(RIGHT, 1)
self.treemanager.key_normal('!')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 3)
self.move(RIGHT, 2)
self.treemanager.key_normal('5')
self.treemanager.cursor_reset()
self.move(DOWN, 3)
self.move(RIGHT, 0)
self.treemanager.key_normal('+')
self.treemanager.cursor_reset()
self.move(DOWN, 3)
self.move(RIGHT, 4)
self.treemanager.key_normal('+')
self.treemanager.cursor_reset()
self.move(DOWN, 3)
self.move(RIGHT, 1)
self.treemanager.key_normal('v')
self.treemanager.cursor_reset()
self.move(DOWN, 3)
self.move(RIGHT, 3)
self.treemanager.key_normal('=')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 7)
self.move(RIGHT, 3)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 7)
self.move(RIGHT, 2)
self.treemanager.key_ctrl_z()
self.treemanager.cursor_reset()
self.move(DOWN, 7)
self.move(RIGHT, 0)
self.treemanager.key_normal('g')
self.treemanager.cursor_reset()
self.move(DOWN, 7)
self.move(RIGHT, 4)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 7)
self.move(RIGHT, 1)
self.treemanager.key_delete()
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 5)
self.move(RIGHT, 0)
self.treemanager.key_ctrl_z()
self.treemanager.cursor_reset()
self.move(DOWN, 5)
self.move(RIGHT, 3)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 5)
self.move(RIGHT, 4)
self.treemanager.key_normal('0')
self.treemanager.cursor_reset()
self.move(DOWN, 5)
self.move(RIGHT, 2)
self.treemanager.key_normal(')')
self.treemanager.cursor_reset()
self.move(DOWN, 5)
self.move(RIGHT, 1)
self.treemanager.key_delete()
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 6)
self.move(RIGHT, 0)
self.treemanager.key_normal('%')
self.treemanager.cursor_reset()
self.move(DOWN, 6)
self.move(RIGHT, 4)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 6)
self.move(RIGHT, 3)
self.treemanager.key_normal('c')
self.treemanager.cursor_reset()
self.move(DOWN, 6)
self.move(RIGHT, 1)
self.treemanager.key_normal('9')
self.treemanager.cursor_reset()
self.move(DOWN, 6)
self.move(RIGHT, 2)
self.treemanager.key_delete()
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 8)
self.move(RIGHT, 1)
self.treemanager.key_normal(']')
self.treemanager.cursor_reset()
self.move(DOWN, 8)
self.move(RIGHT, 3)
self.treemanager.key_normal('{')
self.treemanager.cursor_reset()
self.move(DOWN, 8)
self.move(RIGHT, 4)
self.treemanager.key_normal('l')
self.treemanager.cursor_reset()
self.move(DOWN, 8)
self.move(RIGHT, 0)
self.treemanager.key_normal('c')
self.treemanager.cursor_reset()
self.move(DOWN, 8)
self.move(RIGHT, 2)
self.treemanager.key_delete()
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 9)
self.move(RIGHT, 0)
self.treemanager.key_delete()
self.treemanager.cursor_reset()
self.move(DOWN, 9)
self.move(RIGHT, 3)
self.treemanager.key_normal('f')
self.treemanager.cursor_reset()
self.move(DOWN, 9)
self.move(RIGHT, 1)
self.treemanager.key_normal('h')
self.treemanager.cursor_reset()
self.move(DOWN, 9)
self.move(RIGHT, 2)
self.treemanager.key_normal('1')
self.treemanager.cursor_reset()
self.move(DOWN, 9)
self.move(RIGHT, 4)
self.treemanager.key_normal('v')
self.treemanager.undo_snapshot()
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 0)
self.treemanager.key_normal('&')
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 4)
self.treemanager.key_normal('!')
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 3)
self.treemanager.key_normal('{')
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 2)
self.treemanager.key_normal('(')
self.treemanager.cursor_reset()
self.move(DOWN, 11)
self.move(RIGHT, 1)
self.treemanager.key_normal('e')
self.treemanager.undo_snapshot()
================================ 1 failed, 112 passed, 8 skipped in 146.04 seconds ================================
$

No evaluation of tree after cutting or pasting code

When pasting code the evaluation of the tree is not updated. The same happens when new code is pasted into eco.

Allow comments in Eco grammars

Grammars written in Eco don't currently allow comments. Comments would be handy tho.

HDPI drawing issues

Eco doesn't seem to draw quite properly at HDPI resolutions (I'm running at 2560x1440):

The main annoyance is that the font baseline is incorrect: note the "y" (and the brackets!) spill below the language box. It looks to me like the y offset of the language box is incorrect.

A minor annoyance is that the start and end brackets for the language box are indeed a pixel wide -- which at this resolution means that they're almost invisible.

Fix arrow keys in eco.treemanager.cursor class

If the cursor is on the 0th column of a line, pressing the left arrow key should move the cursor to the right-hand side of the right-most node on the line above.

If the cursor is on the right-hand side of the right-most node on a line, pressing the right arrow key should move the cursor to the 0th column of the line below.

Line numbers greater than 9

This is not a major bug and probably a WONTFIX for version 1, but I thought it was worth documenting.

When I run through the tutorial I get line numbers that run from 1--9 and then line 0 below that. When I add another newline the gutter that contains the line numbers expands a little and I can see 10 where there used to be a 0 and 11 renders correctly.

Language box can hide errors

Example:
$y = array(1,2,
$x = [x ** 2 for x in y.as_list()];

I presume that the error is the language box itself. The correct syntax would be:

$y = array(1,2,
$x = [x ** 2 for x in y.as_list()]);

The term $x = is treated as an argument.

Is this an error in the drawing or the parser?

Cross box search

$x = SELECT FOO FROM BAR

Search for x = SELECT should return a result.

Up and Down arrow key behaviour

When on the first line of the file pressing the up key should jump to the start of the file. Same for the last line and the down key.

Also, up and down keys should not alter the x position of the cursor. Thus the cursor should jump from 2 to 1 to 2 in this example:

1 2|3
1|
1 2|3

Can't find/delete Language box

I found a bug while going through the Eco tutorial. I created a language box for Image, left it blank, and created a new language box in the same place, and then I was unable to delete one of the language boxes.

In the image, there is a image in the parsing pane that can't be found.

Avoid the use of ENV VARs

The "export" functions for polyglot languages often depend on environment variables being set. It would be nicer for the user if these could be set in a separate tab of the settings dialog.

Linefeed within String

s = "abcr def"

should be

s = "abc
def"

and show an error

FIX heatmap visualisation

Some recent commits have broken the heatmap visualisation. ~~This is partly because some external paths an binaries are set via the Settings dialog and some are not.~~

Unicode characters cannot be inserted.

E.g. if I try to insert a pound sign:

  File "/home/edd/research/eco/lib/eco/nodeeditor.py", line 608, in keyPressEvent
    self.tm.key_normal(text)
  File "/home/edd/research/eco/lib/eco/treemanager.py", line 711, in key_normal
    if str(text).startswith("\r"):
UnicodeEncodeError: 'ascii' codec can't encode character u'\xa3' in position 0: ordinal not in range(128)

[Style] Use new style string substitution

Bring code base up to date with changing Python style conventions by using .format() rather than % for string substitution.

arrow keys behaviour on selected text

When some text is selected the left and right keys should jump to the start or end of the selection. Currently it jumps to the next/previous character instead.

Pressing up should jump a line upwards, but taking the start of the selection as reference.

Highlight comments properly

With the merge of #20, comments are not highlighted properly any more, as the highlighter only works on tokens. For the new comments, we need to make it work on nonterminals including their children.

Add JRuby + SL polyglot support

open recent files

[Meta] JavaScript Grammar

regex literals
!=, !==

Highlight the line the cursor is on

It would be useful to have the current line highlighted, but for debugging, this can be used to track which line the debugger is currently executing (we can do this just by moving the cursor).

Making this work with Eco themes might need some thought.

Add an "outline" visualisation to Eco

Rather than (or in addition to) displaying an AST in GraphViz, it would be nice to have something like the "outline" view in Eclipse, i.e. a QTreeView on the RHS of the editor, which shows a foldable outline of the AST. With an outline view, we could annotate both the outline and the editable AST in the main pane with different runtime information.

/cc @ltratt @ptersilie

Ruby parsing issues

require 'foobar'
require_relative 'foobar'
include 'foobar'
Comments
This line: tr = zr*zr - zi*zi + cr in this program fails to parse: http://android-scripting.googlecode.com/svn/trunk/jruby/src/bench/shootout/mandelbrot.ruby
This example fails:

def fibonacci( n )
  return  n  if ( 0..1 ).include? n
  ( fibonacci( n - 1 ) + fibonacci( n - 2 ) )
end
puts fibonacci( 5 )

The opening curly brace in this example causes it to fail:

def fib(n)
  n.times.each_with_object([0,1]) { |num, obj| obj << obj[-2] + obj[-1] }
end
fib(10)

This one fails:

a = []; a[0] = 1; a[1] = 1
i = 1
while i < 1000000
    a[i+1] = (a[i] + a[i-1])%1000000007
    i += 1
end
puts a[n]

A mandelbrot from SO:

puts (-20..20).map{|y|(-40..20).map{|x|z=0;32.times{z=z*z+Complex(x,y)/2e1};z.abs<2??*:' '}*''}

and one from Rosetta Stone:

require 'complex'

def mandelbrot(a)
  Array.new(50).inject(0) { |z,c| z*z + a }
end

(1.0).step(-1,-0.05) do |y|
  (-2.0).step(0.5,0.0315) do |x|
    print mandelbrot(Complex(x,y)).abs < 2 ? '*' : ' '
  end
  puts
end

hex literals in javascript and python

Both Python and Javascript allow to write numbers in binary, octal and hex format:

a = 0b01
b = 0777
c = 0xc0ffe

Misc. issues with Ruby syntax

This issue documents some problems with the Ruby parser.

Comments are missing (same syntax as Python)
This loop has a syntax error on the while token:

$i = 0
$num = 5
begin
   puts("Inside the loop i = #$i" )
   $i +=1
end while $i < $num

Syntax error on the do token:

$i = 0
$num = 5

until $i > $num  do
   puts("Inside the loop i = #$i" )
   $i +=1;
end

Syntax error on the until token:

$i = 0
$num = 5
begin
   puts("Inside the loop i = #$i" )
   $i +=1;
end until $i > $num

Syntax error on the .. token:

for i in 0..5
   puts "Value of local variable is #{i}"
end

(0..5).each do |i|
   puts "Value of local variable is #{i}"
end

Show Stategraph raises Python exception

This issue report is based on the code given in TUTORIAL, which Eco shows to be correctly parsed.

Steps to reproduce:

Reproduce the code from TUTORIAL
Click on View in the menu
Select StateGraph from the drop-down
Click on Show whole graph

Traceback is:

$ Traceback (most recent call last):
  File "eco.py", line 265, in showWholeGraph
    self.viewer.create_pydot_graph(editor.tm.get_mainparser().graph)
  File "/home/snim2/Desktop/working/snim2/eco/lib/eco/viewer.py", line 170, in create_pydot_graph
    if isinstance(node, AstNode):
AttributeError: 'NoneType' object has no attribute 'state_sets'

Comments in SimpleLanguage

SL seems to have comments:

https://github.com/graalvm/simplelanguage/blob/master/src/main/java/com/oracle/truffle/sl/parser/SimpleLanguage.atg#L68-L70

and the SL interpreter handles these correctly, but Eco tells me that any program with comments is syntactically incorrect.

Example:

$ cat sl_tests.sl 
function main() {
    // A comment
    /* A multiline comment */
    println("Hello, world!");
}

$ ../../mx/mx sl sl_tests.sl 
Hello, world!

$

Rename classes in editor.py

We briefly discussed renaming the classes in editor.py to something like:

Editor -> Renderer
NormalEditor -> NormalRenderer

to clarify the different roles of the code in editor.py and editortab.py.

If everyone is happy with that nomenclature I'll raise a PR to resolve this issue.

AST viewing doesn't work

If I make a new Python 2.7.5 file, type in a basic Python program, go to "view > tree", then enable "show tree" and then click on "AST", I get this error:

Traceback (most recent call last):
  File "eco.py", line 194, in refresh
    self.redraw()
  File "eco.py", line 205, in redraw
    self.viewer.get_tree_image(editor.tm.main_lbox, [], whitespaces, version=int(self.ui.comboBox.currentText()), ast=True)
  File "/home/ltratt/src/eco/lib/eco/viewer.py", line 77, in get_tree_image
    self.add_node_to_tree(tree, graph, whitespaces, restrict_nodes, ast, version)
  File "/home/ltratt/src/eco/lib/eco/viewer.py", line 153, in add_node_to_tree
    c_node = self.add_node_to_tree(node.symbol.parser, graph, whitespaces, restrict_nodes, ast, version)
  File "/home/ltratt/src/eco/lib/eco/viewer.py", line 145, in add_node_to_tree
    c_node = self.add_node_to_tree(c, graph, whitespaces, restrict_nodes, ast, version)
  File "/home/ltratt/src/eco/lib/eco/viewer.py", line 145, in add_node_to_tree
    c_node = self.add_node_to_tree(c, graph, whitespaces, restrict_nodes, ast, version)
  File "/home/ltratt/src/eco/lib/eco/viewer.py", line 113, in add_node_to_tree
    if node.indent:
  File "/home/ltratt/src/eco/lib/eco/grammar_parser/bootstrap.py", line 502, in __getattribute__
    return object.__getattribute__(self, name)
AttributeError: 'AstNode' object has no attribute 'indent'

To achieve this, a plugin API should be created, to allow tool vendors to add Eco support for their tools. This should use the eco.incparser.annotation classes and as little other code as possible.

shift deletes current selection

When shift on its own is pressed, it deselects the current selection.

softdevteam / eco Goto Github PK

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