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| author | Marshall Lochbaum <mwlochbaum@gmail.com> | 2021-11-19 16:31:46 -0500 |
|---|---|---|
| committer | Marshall Lochbaum <mwlochbaum@gmail.com> | 2021-11-19 16:31:46 -0500 |
| commit | 6b92ce62a59b7324c6b7da0f4469b55cf64b1d7b (patch) | |
| tree | 13a3a7c6a13c381503124a0ed0dc44ff5342150e /docs/implementation/vm.html | |
| parent | 87691594710f5c6213388641ce51b30e7e486299 (diff) | |
Update documentation on calling formatter (f.bqn)
Diffstat (limited to 'docs/implementation/vm.html')
| -rw-r--r-- | docs/implementation/vm.html | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/implementation/vm.html b/docs/implementation/vm.html index 6674ced8..56a020a7 100644 --- a/docs/implementation/vm.html +++ b/docs/implementation/vm.html @@ -723,7 +723,7 @@ <li>Evaluate the bytecode <code><span class='Value'>$</span> <span class='Value'>src</span><span class='Function'>/</span><span class='Value'>cjs.bqn</span> <span class='Value'>r</span></code>, passing the core runtime <code><span class='Value'>provide</span></code> in the constants array. The result is a BQN list of a full runtime, and a function <code><span class='Function'>SetPrims</span></code>.</li> <li>Optionally, call <code><span class='Function'>SetPrims</span></code> on a two-element list <code><span class='Bracket'>⟨</span><span class='Function'>Decompose</span><span class='Separator'>,</span> <span class='Function'>PrimInd</span><span class='Bracket'>⟩</span></code>.</li> <li>Evaluate the bytecode <code><span class='Value'>$</span> <span class='Value'>src</span><span class='Function'>/</span><span class='Value'>cjs.bqn</span> <span class='Value'>c</span></code>, which uses primitives from the runtime in its constants array. This is the compiler.</li> -<li>Evaluate the bytecode <code><span class='Value'>$</span> <span class='Value'>src</span><span class='Function'>/</span><span class='Value'>cjs.bqn</span> <span class='Value'>f</span></code>. This returns a 1-modifier. To obtain the formatter, call it on a four-element operand list <code><span class='Bracket'>⟨</span><span class='Function'>Type</span><span class='Separator'>,</span> <span class='Function'>Decompose</span><span class='Separator'>,</span> <span class='Function'>Glyph</span><span class='Separator'>,</span> <span class='Function'>FmtNum</span><span class='Bracket'>⟩</span></code>.</li> +<li>Evaluate the bytecode <code><span class='Value'>$</span> <span class='Value'>src</span><span class='Function'>/</span><span class='Value'>cjs.bqn</span> <span class='Value'>f</span></code>. This returns a function. Then call it on a four-element list <code><span class='Bracket'>⟨</span><span class='Function'>Type</span><span class='Separator'>,</span> <span class='Function'>Decompose</span><span class='Separator'>,</span> <span class='Function'>Glyph</span><span class='Separator'>,</span> <span class='Function'>FmtNum</span><span class='Bracket'>⟩</span></code> to obtain the two-element list <code><span class='Bracket'>⟨</span><span class='Function'>•Fmt</span><span class='Separator'>,</span> <span class='Function'>•Repr</span><span class='Bracket'>⟩</span></code>.</li> </ul> <p>The compiler takes the runtime as <code><span class='Value'>𝕨</span></code> and source code as <code><span class='Value'>𝕩</span></code>. To evaluate BQN source code, convert it into a BQN string (rank-1 array of characters), pass this string and runtime to the compiler, and evaluate the result as bytecode. Results can be formatted with the formatter for use in a REPL, or used from the implementation language.</p> <p>Two formatter arguments <code><span class='Function'>Glyph</span></code> and <code><span class='Function'>FmtNum</span></code> are not part of the runtime. <code><span class='Function'>Glyph</span></code> assumes <code><span class='Value'>𝕩</span></code> is a primitive and returns the character (not string) that represents it, and <code><span class='Function'>FmtNum</span></code> assumes <code><span class='Value'>𝕩</span></code> is a number and returns a string representing it.</p> |