---reveal---

  Data:  -
  Addr:  -
  Float: -

Switch to the exposed (public) portion of a lexical namespace.

Class: class:word | Namespace: global | Interface Layer: all

-if

  Data:  fq-
  Addr:  -
  Float: -

Execute the quotation if the flag is `FALSE`.

Class: class:word | Namespace: global | Interface Layer: all

;

  Data:  -
  Addr:  -
  Float: -

End the current definition.

Class: class:macro | Namespace: global | Interface Layer: all

[

  Data:  -
  Addr:  -
  Float: -

Begin a quotation.

Class: class:macro | Namespace: global | Interface Layer: all

]

  Data:  -
  Addr:  -
  Float: -

End a quotation.

Class: class:macro | Namespace: global | Interface Layer: all

again

  Data:  -
  Addr:  -
  Float: -

Close an unconditional loop. Branches back to the prior `repeat`.

Class: class:macro | Namespace: global | Interface Layer: all

call

  Data:  a-
  Addr:  -
  Float: -

Call a function.

Class: class:primitive | Namespace: global | Interface Layer: all

choose

  Data:  fqq-
  Addr:  -
  Float: -

Execute q1 if the flag is true (-1) or q2 if the flag is false (0). Only these flags are valid when using `choose`; passing other values as flags will result in memory corruption.

Class: class:word | Namespace: global | Interface Layer: all

compile:lit

  Data:  n-
  Addr:  -
  Float: -

Compile the code to push a number to the stack into the current definition.

Class: class:word | Namespace: compile | Interface Layer: all

d:last

  Data:  -d
  Addr:  -
  Float: -

Return the most recent dictionary header.

Class: class:word | Namespace: d | Interface Layer: all

d:lookup-xt

  Data:  a-d
  Addr:  -
  Float: -

Lookup the specified address in the dictionary and return a pointer to its dictionary header. This returns zero if the word is not found.

Class: class:word | Namespace: d | Interface Layer: all

d:name

  Data:  d-s
  Addr:  -
  Float: -

Given a dictionary header, return the name field.

Class: class:word | Namespace: d | Interface Layer: all

dup

  Data:  n-nn
  Addr:  -
  Float: -

Duplicate the top item on the stack.

Class: class:primitive | Namespace: global | Interface Layer: all

fetch

  Data:  a-n
  Addr:  -
  Float: -

Fetch the value stored at the specified address.

Class: class:primitive | Namespace: global | Interface Layer: all

Example #1:

    &Version fetch

immediate

  Data:  -
  Addr:  -
  Float: -

Change the class of the most recently defined word to `class:macro`.

Class: class:word | Namespace: global | Interface Layer: all

listen

  Data:  -
  Addr:  -
  Float: -

"Run interactive ""listener"" (a REPL)."

Class: class:word | Namespace: global | Interface Layer: rre

n:-zero?

  Data:  n-f
  Addr:  -
  Float: -

Return `TRUE` if number is not zero, or `FALSE` otherwise.

Class: class:word | Namespace: n | Interface Layer: all

nl

  Data:  -
  Addr:  -
  Float: -

Display a newline.

Class: class:word | Namespace: global | Interface Layer: all

pop

  Data:  -n
  Addr:  n-
  Float: -

Move a value from the return stack to the data stack.

Class: class:macro | Namespace: global | Interface Layer: all

repeat

  Data:  -
  Addr:  -
  Float: -

Begin an unconditional loop.

Class: class:macro | Namespace: global | Interface Layer: all

s:append

  Data:  ss-s
  Addr:  -
  Float: -

Return a new string consisting of s1 followed by s2.

Class: class:word | Namespace: s | Interface Layer: all

s:prepend

  Data:  ss-s
  Addr:  -
  Float: -

Return a new string consisting of s2 followed by s1.

Class: class:word | Namespace: s | Interface Layer: all

s:put

  Data:  s-
  Addr:  -
  Float: -

Display a string.

Class: class:word | Namespace: global | Interface Layer: all

{{

  Data:  -
  Addr:  -
  Float: -

Begin a lexically scoped area.

Class: class:word | Namespace: global | Interface Layer: all

}}

  Data:  -
  Addr:  -
  Float: -

End a lexically scoped area. This will hide any headers between `{{` and `---reveal---`, leaving only headers between `---reveal---` and the `}}` visible.

Class: class:word | Namespace: global | Interface Layer: all

sigil:&

  Data:  s-a
  Addr:  -
  Float: -

Return a pointer to a named item. If name is not found, returns 0.

Interpret Time:
  Lookup name in dictionary, return contents of the xt field on the stack.

Compile Time:
  Lookup name in dictionary, compile code to push the contents of the xt field into the current definition.

Class: class:macro | Namespace: sigil | Interface Layer: all

sigil:'

  Data:  s-s
  Addr:  -
  Float: -

Process token as a string.

Interpret Time:
  Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space.

Compile Time:
  Move string into temporary buffer. If `RewriteUnderscores` is `TRUE`, replace all instances of _ with space. Then compile the string into the current definition.

Class: class:macro | Namespace: sigil | Interface Layer: all

sigil:(

  Data:  s-
  Addr:  -
  Float: -

Process token as a comment.

Interpret Time:
  Discard the string.

Compile Time:
  Discard the string.

Class: class:macro | Namespace: sigil | Interface Layer: all

sigil::

  Data:  s-
  Addr:  -
  Float: -

Hook. Process token as a new definition.

Interpret Time:
  Create a header pointing to `here` with the provided string as the name. Sets class to `class:word`.

Class: class:macro | Namespace: sigil | Interface Layer: all