Lua parser fails to terminate

[ragnard-king]

We're using a version of antlr4 that can sometimes enter infinite loops when parsing.

This has been fixed in antlr4:
antlr/antlr4#1398

Our Lua grammar is vulnerable to this, for example, pasting the string below into non-closed string hangs the editor.

STR:

Copy this:

#{"/builtins/materials/gui.fp" "/builtins/fonts/label-fnt.material" "/builtins/fonts/system_font.font" "/builtins/render/default.render" "/modules/colors.lua" "/builtins/materials/gui.material" "/builtins/materials/particlefx.vp" "/builtins/materials/sprite.fp" "/builtins/materials/tile_map.fp" "/builtins/graphics/particle_blob.tilesource" "/builtins/fonts/font-df-ms.fp" "/builtins/scripts/socket.lua" "/builtins/render/default.render_script" "/builtins/input/default.gamepads" "/builtins/graphics/default.texture_profiles" "/builtins/materials/particlefx.material" "/builtins/materials/sprite.vp" "/builtins/fonts/font-df.material" "/builtins/scripts/mobdebug.lua" "/scripts/apples.script" "/builtins/materials/spine.fp" "/builtins/graphics/particle_blob.png" "/builtins/fonts/font-fnt.fp" "/builtins/fonts/font-df.vp" "/builtins/materials/particlefx.fp" "/foo.bar" "/builtins/fonts/label-df.material" "/builtins/fonts/font-df.fp" "/builtins/materials/sprite.material" "/builtins/fonts/font.material" "/builtins/materials/model.material" "/builtins/fonts/vera_mo_bd.ttf" "/builtins/fonts/font-fnt.material" "/builtins/materials/model.vp" "/builtins/materials/spine.vp" "/builtins/materials/spine.material" "/builtins/materials/model.fp" "/builtins/fonts/label.material" "/builtins/render/default.display_profiles" "/builtins/materials/tile_map.vp" "/scripts/actors.script" "/builtins/materials/tile_map.material" "/builtins/fonts/font.vp" "/builtins/fonts/system_font.material" "/builtins/fonts/font.fp" "/builtins/fonts/font-fnt.vp" "/builtins/materials/gui.vp" "/game.project"}
#{"/builtins/materials/gui.fp" "/builtins/fonts/label-fnt.material" "/builtins/fonts/system_font.font" "/builtins/render/default.render" "/modules/colors.lua" "/builtins/materials/gui.material" "/builtins/materials/particlefx.vp" "/builtins/materials/sprite.fp" "/builtins/materials/tile_map.fp" "/builtins/graphics/particle_blob.tilesource" "/builtins/fonts/font-df-ms.fp" "/builtins/scripts/socket.lua" "/builtins/render/default.render_script" "/builtins/input/default.gamepads" "/builtins/graphics/default.texture_profiles" "/builtins/materials/particlefx.material" "/builtins/materials/sprite.vp" "/builtins/fonts/font-df.material" "/builtins/scripts/mobdebug.lua" "/scripts/apples.script" "/builtins/materials/spine.fp" "/builtins/graphics/particle_blob.png" "/builtins/fonts/font-fnt.fp" "/builtins/fonts/font-df.vp" "/builtins/materials/particlefx.fp" "/foo.bar" "/builtins/fonts/label-df.material" "/builtins/fonts/font-df.fp" "/builtins/materials/sprite.material" "/_defold/debugger/mobdebug.lua" "/builtins/fonts/font.material" "/builtins/materials/model.material" "/builtins/fonts/vera_mo_bd.ttf" "/builtins/fonts/font-fnt.material" "/builtins/materials/model.vp" "/_defold/debugger/edn.lua" "/builtins/materials/spine.vp" "/builtins/materials/spine.material" "/_defold/debugger/start.lua" "/builtins/materials/model.fp" "/builtins/fonts/label.material" "/builtins/render/default.display_profiles" "/builtins/materials/tile_map.vp" "/scripts/actors.script" "/builtins/materials/tile_map.material" "/builtins/fonts/font.vp" "/_defold/debugger/debugger.lua" "/builtins/fonts/system_font.material" "/builtins/fonts/font.fp" "/builtins/fonts/font-fnt.vp" "/builtins/materials/gui.vp" "/game.project"}))

Enter this:

print("

Then paste.