GF web-based syntax editor

John J. Camilleri
December 2012

An improved version of the old syntax editor.

Example usage

See editor.html and editor_online.js.

Available startup options

Options	Description	Default
target		"editor"
initial.grammar	Initial grammar URL, e.g. `"http://localhost:41296/grammars/Foods.pgf"`
initial.startcat	Initial startcat	(grammar default)
initial.languages	Initial linearisation languages, e.g. `["Eng","Swe","Mlt"]`	(all)
initial.abstr	Initial abstract tree (as string), e.g. `"Pred (That Fish) Expensive"`
show_grammar_menu	Show grammar menu?	True
show_startcat_menu	Show startcat menu?	True
show_to_menu	Show languages menu?	True
show_random_button	Show random button?	True
show_import	Show import button/panel?	True
show_export	Show export button?	True

Notes

Tested with latest Chrome and Firefox (only).

To do/feature requests

Compatibility with grammars with dependent category types
Clicking on tokens to select tree node
Clipboard of trees
Usage of printnames
Enter string/float/int literals
more prominence to Disamb-linearizations
show all resulting linearizations/variants
undo/redo (or back/forward) navigation
structure fridge magnets more (eg newline before the magnet whose first letter is different)

Known bugs

Change startcat doesn't work when given an initial startcat