Function parseLeaf

python/executor.py:139–155

(tokens, currentIndex)

def parseLeaf(tokens, currentIndex):
    if currentIndex >= len(tokens):
        print("Index out of bounds, attempting to parse leaf")
        return currentIndex

    lookahead = tokens[currentIndex]
    if lookahead["type"] == "PYTHON_BINARY_OPERATOR":
        op = lookahead["properties"]["operator"]
        if op in UNARY_OPERATORS:
            # treat RHS as it's own expression, depending on precedence.
            lhs, index = parseLeaf(tokens, currentIndex + 1)
            top_expr, index = parseExpression(
                lhs, tokens, index, getUnaryPrecedence(op)
            )
            # Create Unary expression
            return [ast.UnaryOp(getAstUnaryOperator(op), top_expr), index]
    return [generateAstExpressionToken(tokens[currentIndex]), currentIndex + 1]


UNARY_OPERATORS = {