gp4/tree-sitter-p4/test/corpus/expressions.txt

=========================
Simple boolean Equality
=========================
parser simple() {
  state start {
    if (true == false) {
    }
    transition accept;
  }
};

---
(p4program
 (declaration
  (parserDeclaration
   (parserType
    (parser)
    (identifier)
   )
   (parserStates
    (parserState
     (state)
     (identifier)
     (parserStatements
      (parserStatement
       (conditionalStatement
        (if)
        (expression
         (binaryOperatorExpression
          (binaryEqualOperatorExpression
           (expression
            (booleanLiteralExpression
             (true)
            )
           )
           (double_equal)
           (expression
            (booleanLiteralExpression
             (false)
            )
           )
          )
         )
        )
        (statement
         (blockStatement)
        )
       )
      )
     )
     (parserTransitionStatement
      (transition)
      (transitionSelectionExpression
       (identifier)
      )
     )
    )
   )
  )
 )
)

=========================
Simple Integer Equality
=========================
parser simple() {
  state start {
    if (1 == 2) {
    }
    transition accept;
  }
};

---
(p4program
 (declaration
  (parserDeclaration
   (parserType
    (parser)
    (identifier)
   )
   (parserStates
    (parserState
     (state)
     (identifier)
     (parserStatements
      (parserStatement
       (conditionalStatement
        (if)
        (expression
         (binaryOperatorExpression
          (binaryEqualOperatorExpression
           (expression
            (integer)
           )
           (double_equal)
           (expression
            (integer)
           )
          )
         )
        )
        (statement
         (blockStatement)
        )
       )
      )
     )
     (parserTransitionStatement
      (transition)
      (transitionSelectionExpression
       (identifier)
      )
     )
    )
   )
  )
 )
)
=========================
Simple Array Access
=========================
parser simple() {
  state start {
    undeclared_array[5];
    transition accept;
  }
};

---
(p4program
 (declaration
  (parserDeclaration
   (parserType
    (parser)
    (identifier)
   )
   (parserStates
    (parserState
     (state)
     (identifier)
     (parserStatements
      (parserStatement
       (expressionStatement
        (expression
         (arrayAccessExpression
          (identifier)
          (open_bracket)
          (expression
           (integer)
          )
          (close_bracket)
         )
        )
       )
      )
     )
     (parserTransitionStatement
      (transition)
      (transitionSelectionExpression
       (identifier)
      )
     )
    )
   )
  )
 )
)