Check whether a parse table corresponds to a certain expression
is_curly_expr(pd)is_function_call(pd)
is_function_dec(pd)
A parse table.
is_curly_expr
: Checks whether pd
contains an expression wrapped in
curly brackets.
is_function_call
: Checks whether pd
is a function call.
is_function_dec
: Checks whether pd
is a function declaration.