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- \ SEQREAD.HLP Sequential read and load file by Tom Zimmer
-
-
- IBLEN input buffer length constant
- OBLEN output buffer length constant
- INLEN input text length variable
- INBSEG the input buffer segment constant
- OUTBUF the line output buffer array
-
- MAXNEST byte size of 5 hcb's
-
- HNDLS an array of handles, holds 5 handles in a stack.
- LOADFILE File for source of this word.
- LOADOFF line offset of error
- FILEPOINTER most recent read
- LOADING Are we in the proccess of loading a file?
-
- LOADSTAT load status display defered word.
-
- SHNDL+ ( --- A1 )
- Returns address a1, the address of the next available handle.
-
- .FILE ( --- )
- display the filename of the current file handle.
-
- GET_ALINE ( --- )
- get a line of text from the current file, and place it in the
- output buffer.
-
- FILEPOINTER+ ( --- )
- Increment the current file pointer by the length of the line
- in outbuf.
-
- CURPOINTER ( handle --- double-current )
- Return the double-current offset into file handle.
-
- SAVEPOINTER ( --- )
- Save the file offset into the current file for later restoral.
-
- ?FILLBUFF ( --- )
- Re-fill the input buffer if it needs it.
-
-
- <LINEREAD> ( --- a1 )
- Read a line from the current file, returning the address a1,
- the address of the next line.
-
- LINEREAD ( --- a1 )
- A defered word that returns a line from the current file.
-
- (?SERROR) ( ADDR N1 BOOL --- )
- If bool is true, then print message addr1,n1 and show the
- line in the current file where the error occured.
-
- SEQUP ( --- )
- Step up one handle in the handle stack.
-
- SEQINIT ( --- )
- Initialize the handle stack, in preparation for use.
-
- SEQDOWN ( --- )
- Step down one handle in the handle stack. closes the current
- file, and selects the next lower file.
-
- CLOSE ( --- )
- A pseudonym for SEQDOWN. See also SEQDOWN.
-
- $HOPEN ( A1 --- F1 )
- Open the file specified by the counted string a1. Return
- boolean f1 false if the open was succesful.
-
- SEEK ( d1 --- )
- Seek (move pointer) to position d1 in the current file.
-
- LVR ( --- a1 )
- List variable, if this variable is on, then lines of the
- current load file will be displayed while being loaded.
-
- SHOWLINES ( --- )
- Turn on listing of lines while loading.
-
- HIDELINES ( --- )
- Turn off listing of lines while loading.
-
- : FILLTIB ( --- )
- Set the terminal input buffer to point to a line just
- read from the current file.
-
- <LOAD> ( --- )
- Load the current file starting at the current file offset.
-
- LOADER ( --- )
- A defered word that loads the current file.
-
- >LINE ( n1 --- )
- Step to line n1 in the current file.
-
- LOADED, ( --- )
- Compile the name of the current file as a variable in the
- FILES vocabulary. Also links the variable into a list of
- variables that represent the files that have been loaded.
-
- <FLOAD> ( --- )
- Primitive word that loads the file just opened.
-
- FLOAD ( | name --- )
- load the file "name". this is nestable.
-
- CHARREAD ( --- c1 )
- Read a character c1 from the current file.
-
- OK ( --- )
- Load all of the current file.
-
-
- \S ( n1 --- )
- Stop loading the current file with the line that contains
- this word.
-