R Under development (unstable) (2024-02-16 r85931 ucrt) -- "Unsuffered Consequences"
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> library("R.rsp")
R.rsp v0.46.0 successfully loaded. See ?R.rsp for help.
> 
> # RSP document
> pathname <- system.file("exData", "slowcounting.txt.rsp", package="R.rsp")
> 
> # Compile to RSP source code script file
> metadata <- list(foo="ABC", bar="123")
> pathnameR <- rcode(file=pathname, metadata=metadata)
> print(pathnameR)
RspFileProduct:
Pathname: d:/RCompile/CRANincoming/R-devel/R.rsp.Rcheck/tests/slowcounting.txt.R
File size: 2.36 kB (2417 bytes)
Content type: application/R
Metadata 'foo': 'ABC'
Metadata 'bar': '123'
Has processor: FALSE
> # Assert correct filename
> stopifnot(basename(pathnameR) == "slowcounting.txt.R")
> 
> 
> # Compile to RSP source code object
> metadata <- list(foo="ABC", bar="123")
> code <- rcode(file=pathname, metadata=metadata, output=RspSourceCode())
> print(code)
## = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
## This is a self-contained R script generated from an RSP document.
## It may be evaluated using source() as is.
##
## Metadata:
##   'foo': 'ABC'
##   'bar': '123'
## = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## Local RSP utility functions
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## RSP metadata function
.rmeta <- list(
  foo = "ABC",
  bar = "123"
)

rmeta <- function(...) {
  args <- list(...)
  if (length(args) == 0) return(.rmeta)
  names <- names(args)
  if (length(names) > 0) {
    for (name in names) .rmeta[[name]] <<- args[[name]]
  } else {
    names <- unlist(args, use.names=FALSE)
    if (length(names) == 1) .rmeta[[names]] else .rmeta[names]
  }
}

## Look up 'base' function once (faster)
if (getRversion() < "2.15.0") {
  .base_paste <- base::paste
  .base_paste0 <- function(...) .base_paste(..., sep="")
} else {
  .base_paste0 <- base::paste0
}
.base_cat <- base::cat

## RSP output function
.rout <- function(x) .base_cat(.base_paste0(x))

## RSP output function for inline RSP constructs
.rout0 <- function(x) .base_cat(rpaste(x))

## The output of inline RSP constructs is controlled by
## generic function rpaste().
rpaste <- function(...) UseMethod("rpaste")

setInlineRsp <- function(class, fun, envir=parent.frame()) {
  name <- sprintf("rpaste.%s", class)
  assign(name, fun, envir=envir)
  ## FIXME: How to register an S3 method at run-time? /HB 2018-04-06
  ## registerS3method("rpaste", class = class, method = name, envir = envir)
}

## The default is to coerce to character and collapse without
## a separator.  It is possible to override the default in an
## RSP code expression.
setInlineRsp("default", function(x, ...) .base_paste0(x, collapse=""))

## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## RSP source code script [BEGIN]
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
.rout("Counting:")
for (i in 1:3) {
Sys.sleep(0.5)
.rout(" ")
.rout0(i)
}
.rout(".")
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## RSP source code script [END]
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> 
> code <- rcode(file=pathname, metadata=metadata, output=RspSourceCode(), verbose = TRUE)
rcode() for default...
 Input file: D:/RCompile/CRANincoming/R-devel/lib/R.rsp/exData/slowcounting.txt.rsp
 Length of RSP string: 72
 rcode() for RspString...
  Parse RSP string to RSP document...
   Parse environment: R_GlobalEnv
   Parsing RSP string...
    Compile until: '*'
    Return as: 'RspDocument'
    Dropping 'empty' RSP comments...
     Length of RSP string before: 72
     RspDocument:
     Source: D:/RCompile/CRANincoming/R-devel/lib/R.rsp/exData/slowcounting.txt.rsp
     Total number of RSP constructs: 3
     Number of RspComment(s): 1
     Number of RspText(s): 2
     Content type: NA
     Metadata 'foo': 'ABC'
     Metadata 'bar': '123'
     RspDocument:
     Source: D:/RCompile/CRANincoming/R-devel/lib/R.rsp/exData/slowcounting.txt.rsp
     Total number of RSP constructs: 1
     Number of RspText(s): 1
     Content type: NA
     Metadata 'foo': 'ABC'
     Metadata 'bar': '123'
     Number of 'empty' RSP comments dropped: 1
     Length of RSP string after: 67
    Dropping 'empty' RSP comments...done
    Dropping 'paired' RSP comments...
     Length of RSP string before: 67
     No 'paired' RSP comments found.
    Dropping 'paired' RSP comments...done
    Processing RSP preprocessing directives...
     Length of RSP string before: 67
     No RSP preprocessing directives found.
    Processing RSP preprocessing directives...done
    Processing RSP expressions...
     Length of RSP string before: 67
     Number of (unparsed) RSP expressions found: 4
     Length of RSP string after: 60
    Processing RSP expressions...done
   Parsing RSP string...done
   RspDocument:
   Source: D:/RCompile/CRANincoming/R-devel/lib/R.rsp/exData/slowcounting.txt.rsp
   Total number of RSP constructs: 7
   Number of RspCode(s): 3
   Number of RspCodeChunk(s): 1
   Number of RspText(s): 3
   Content type: NA
   Metadata 'foo': 'ABC'
   Metadata 'bar': '123'
  Parse RSP string to RSP document...done
  rcode() for RspDocument...
   Coerce RSP document to source code...
    Language: R
    Generated source code:...
     ## = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
      ## This is a self-contained R script generated from an RSP document.
      ## It may be evaluated using source() as is.
      ##
      ## Metadata:
      ##   'foo': 'ABC'
      ##   'bar': '123'
      ## = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
      
      ## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      
      [...]
      
      .rout("Counting:")
      for (i in 1:3) {
      Sys.sleep(0.5)
      .rout(" ")
      .rout0(i)
      }
      .rout(".")
      ## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      ## RSP source code script [END]
      ## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    Generated source code:...done
   Coerce RSP document to source code...done
  rcode() for RspDocument...done
 rcode() for RspString...done
rcode() for default...done
> print(code)
## = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
## This is a self-contained R script generated from an RSP document.
## It may be evaluated using source() as is.
##
## Metadata:
##   'foo': 'ABC'
##   'bar': '123'
## = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## Local RSP utility functions
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## RSP metadata function
.rmeta <- list(
  foo = "ABC",
  bar = "123"
)

rmeta <- function(...) {
  args <- list(...)
  if (length(args) == 0) return(.rmeta)
  names <- names(args)
  if (length(names) > 0) {
    for (name in names) .rmeta[[name]] <<- args[[name]]
  } else {
    names <- unlist(args, use.names=FALSE)
    if (length(names) == 1) .rmeta[[names]] else .rmeta[names]
  }
}

## Look up 'base' function once (faster)
if (getRversion() < "2.15.0") {
  .base_paste <- base::paste
  .base_paste0 <- function(...) .base_paste(..., sep="")
} else {
  .base_paste0 <- base::paste0
}
.base_cat <- base::cat

## RSP output function
.rout <- function(x) .base_cat(.base_paste0(x))

## RSP output function for inline RSP constructs
.rout0 <- function(x) .base_cat(rpaste(x))

## The output of inline RSP constructs is controlled by
## generic function rpaste().
rpaste <- function(...) UseMethod("rpaste")

setInlineRsp <- function(class, fun, envir=parent.frame()) {
  name <- sprintf("rpaste.%s", class)
  assign(name, fun, envir=envir)
  ## FIXME: How to register an S3 method at run-time? /HB 2018-04-06
  ## registerS3method("rpaste", class = class, method = name, envir = envir)
}

## The default is to coerce to character and collapse without
## a separator.  It is possible to override the default in an
## RSP code expression.
setInlineRsp("default", function(x, ...) .base_paste0(x, collapse=""))

## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## RSP source code script [BEGIN]
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
.rout("Counting:")
for (i in 1:3) {
Sys.sleep(0.5)
.rout(" ")
.rout0(i)
}
.rout(".")
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
## RSP source code script [END]
## - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> 
> proc.time()
   user  system elapsed 
   0.51    0.09    0.60