Parsing based on left-recursive rules differs from Ohm/JS

[stlutz]

Given the following grammar:

MyGrammar {
	Expression
		= Expression "(" ")" -- functionCall
		| Expression "." letter+ -- fieldAccess
		| letter+ -- reference
}

In the Ohm/JS editor the following strings are all parsed successfully:

• var
• var.field
• var.field.field.field.field
• func()
• var.method()
• var.field.field.method()

In Ohm/S, some of them are not:

• var
• var.field
• var.field.field.field.field
• func()
• var.method()
• var.field.field.method()

It looks to me like left-recursive rules are not handled correctly in the Smalltalk implementation.