xfun (version 0.30)

valid_syntax: Check if the syntax of the code is valid

Description

Try to parse() the code and see if an error occurs.

Usage

valid_syntax(code, silent = TRUE)

Arguments

code

A character vector of R source code.

silent

Whether to suppress the error message when the code is not valid.

Value

TRUE if the code could be parsed, otherwise FALSE.

Examples

# NOT RUN {
xfun::valid_syntax("1+1")
xfun::valid_syntax("1+")
xfun::valid_syntax(c("if(T){1+1}", "else {2+2}"), silent = FALSE)
# }