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more keyword pseudocode

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This commit is contained in:
Devyn Cairns 2024-07-02 18:39:59 -07:00
parent 9b88b4eca6
commit b3b59c8f9c
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1 changed files with 13 additions and 0 deletions
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13
crates/nu-engine/src/compile/keyword.rs
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@ -287,6 +287,15 @@ pub(crate) fn compile_for(
redirect_modes: RedirectModes, redirect_modes: RedirectModes,
io_reg: RegId, io_reg: RegId,
) -> Result<(), CompileError> { ) -> Result<(), CompileError> {
// Pseudocode:
//
// %stream_reg <- <in_expr>
// LOOP: iterate %io_reg, %stream_reg, END
// store-variable $var, %io_reg
// %io_reg <- <...block...>
// drain %io_reg
// jump LOOP
// END:
let invalid = || CompileError::InvalidKeywordCall { let invalid = || CompileError::InvalidKeywordCall {
keyword: "for".into(), keyword: "for".into(),
span: call.head, span: call.head,
@ -379,6 +388,10 @@ pub(crate) fn compile_return(
redirect_modes: RedirectModes, redirect_modes: RedirectModes,
io_reg: RegId, io_reg: RegId,
) -> Result<(), CompileError> { ) -> Result<(), CompileError> {
// Pseudocode:
//
// %io_reg <- <arg_expr>
// return %io_reg
if let Some(arg_expr) = call.positional_nth(0) { if let Some(arg_expr) = call.positional_nth(0) {
compile_expression( compile_expression(
working_set, working_set,