gf-core/src/www/syntax-editor

GF web-based syntax editor

John J. Camilleri
November 2012

An improved version of the old syntax editor.

Notes

• Tested with latest Chrome and Firefox (only).

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	-
initial.languages	Initial linearisation languages, e.g. ["Eng","Swe","Mlt"]	-
initial.abstr	Initial abstract tree (as string), e.g. "Pred (That Fish) Expensive"	-
show.grammar_menu	Show grammar menu?	true
show.startcat_menu	Show start category menu?	true
show.to_menu	Show languages menu?	true
show.random_button	Show random button?	true

Example usage

See editor.html and editor_online.js.

Bugs

• Change startcat doesn't work when given an initial startcat

TODO

• Wrap a subtree
• 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)