org.antlr.v4.test.runtime.templates.BaseContext.LeftRecursive.stg Maven / Gradle / Ivy

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A collection of tests for ANTLR 4 Runtime libraries.

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TestType() ::= "Parser"

Options ::= [
	"Debug": false
]

Grammar ::= [
	"T": {}
]

Input() ::= "3 a"

Rule() ::= "input"

Output() ::= ""

Errors() ::= ""

grammar(grammarName) ::= <<
grammar ;

input
	:	e1=expression e2=expressionNoNumber EOF
	;

expression
	:	ID
	|	NUMBER
	|	expression '+' expression
	;

expressionNoNumber
options { baseContext = expression; }
	:	ID
	|	expressionNoNumber '+' expressionNoNumber
	;

ID : 'a'..'z'+;
NUMBER : [0-9]+;
WS : (' '|'\n') -> skip;
>>