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KevinBatdorfKevinBatdorf
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2 files changed

+276
-276
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‎src/compiler.ts‎

Lines changed: 129 additions & 129 deletions
Original file line numberDiff line numberDiff line change
@@ -354,33 +354,33 @@ const compileStatement = (
354354

355355
// biome-ignore format: keep loop structure
356356
return wat(
357-
// Start counter at 0
358-
i32.const(0),
359-
local.set(counterIndex),
360-
block.start(),
361-
loop.start(),
362-
// check if we reached max iterations
363-
local.get(counterIndex),
364-
i32.const(MAX_ITERATIONS),
365-
i32.ge_u(),
366-
if_.start(), // counter >= maxIters
367-
misc.unreachable(), // infinite loop, throw error
368-
if_.end(),
369-
local.get(counterIndex),
370-
i32.const(1),
371-
i32.add(), // increment counter
372-
local.set(counterIndex),
357+
// Start counter at 0
358+
i32.const(0),
359+
local.set(counterIndex),
360+
block.start(),
361+
loop.start(),
362+
// check if we reached max iterations
363+
local.get(counterIndex),
364+
i32.const(MAX_ITERATIONS),
365+
i32.ge_u(),
366+
if_.start(), // counter >= maxIters
367+
misc.unreachable(), // infinite loop, throw error
368+
if_.end(),
369+
local.get(counterIndex),
370+
i32.const(1),
371+
i32.add(), // increment counter
372+
local.set(counterIndex),
373373

374-
condition,
375-
fn.call(func().is_truthy),
376-
i32.eqz(), // check if condition is false
377-
loop.br_if(1), // break out of outer block
374+
condition,
375+
fn.call(func().is_truthy),
376+
i32.eqz(), // check if condition is false
377+
loop.br_if(1), // break out of outer block
378378

379-
body,
380-
loop.br(0), // loop back
381-
loop.end(),
382-
block.end(),
383-
);
379+
body,
380+
loop.br(0), // loop back
381+
loop.end(),
382+
block.end(),
383+
);
384384
}
385385
case "ForStatement": {
386386
const { assignment, condition, increment, body } = stmt;
@@ -407,62 +407,62 @@ const compileStatement = (
407407
const counterIndex = consumeScratchIndex();
408408
// biome-ignore format: keep loop structure
409409
return wat(
410-
// Start counter at 0
411-
i32.const(0),
412-
local.set(counterIndex),
410+
// Start counter at 0
411+
i32.const(0),
412+
local.set(counterIndex),
413413

414-
init, // e.g. i := 0
415-
step,
416-
fn.call(func().unbox_number),
417-
f64.const(0),
418-
f64.lt(), // step < 0 ?
419-
local.set(isDescending),
414+
init, // e.g. i := 0
415+
step,
416+
fn.call(func().unbox_number),
417+
f64.const(0),
418+
f64.lt(), // step < 0 ?
419+
local.set(isDescending),
420420

421-
block.start(),
422-
loop.start(),
423-
// check if we reached max iterations
424-
local.get(counterIndex),
425-
i32.const(MAX_ITERATIONS),
426-
i32.ge_u(),
427-
if_.start(), // counter >= maxIters
428-
misc.unreachable(), // infinite loop, throw error
429-
if_.end(),
430-
local.get(counterIndex),
431-
i32.const(1),
432-
i32.add(), // increment counter
433-
local.set(counterIndex),
421+
block.start(),
422+
loop.start(),
423+
// check if we reached max iterations
424+
local.get(counterIndex),
425+
i32.const(MAX_ITERATIONS),
426+
i32.ge_u(),
427+
if_.start(), // counter >= maxIters
428+
misc.unreachable(), // infinite loop, throw error
429+
if_.end(),
430+
local.get(counterIndex),
431+
i32.const(1),
432+
i32.add(), // increment counter
433+
local.set(counterIndex),
434434

435-
local.get(isDescending),
436-
if_.start(valType("i32")), // descending case
437-
local.get(loopVar.index),
438-
fn.call(func().unbox_number),
439-
cond,
440-
fn.call(func().unbox_number),
441-
f64.lt(), // i < cond ? 1 : 0
442-
if_.else(), // ascending case
443-
local.get(loopVar.index),
444-
fn.call(func().unbox_number),
445-
cond,
446-
fn.call(func().unbox_number),
447-
f64.gt(), // i > cond ? 1 : 0
448-
if_.end(),
449-
loop.br_if(1), // exit if 1
435+
local.get(isDescending),
436+
if_.start(valType("i32")), // descending case
437+
local.get(loopVar.index),
438+
fn.call(func().unbox_number),
439+
cond,
440+
fn.call(func().unbox_number),
441+
f64.lt(), // i < cond ? 1 : 0
442+
if_.else(), // ascending case
443+
local.get(loopVar.index),
444+
fn.call(func().unbox_number),
445+
cond,
446+
fn.call(func().unbox_number),
447+
f64.gt(), // i > cond ? 1 : 0
448+
if_.end(),
449+
loop.br_if(1), // exit if 1
450450

451-
loopBody,
451+
loopBody,
452452

453-
// increment the loop variable
454-
local.get(loopVar.index),
455-
fn.call(func().unbox_number),
456-
step,
457-
fn.call(func().unbox_number),
458-
f64.add(),
459-
fn.call(func().box_number),
460-
local.set(loopVar.index),
453+
// increment the loop variable
454+
local.get(loopVar.index),
455+
fn.call(func().unbox_number),
456+
step,
457+
fn.call(func().unbox_number),
458+
f64.add(),
459+
fn.call(func().box_number),
460+
local.set(loopVar.index),
461461

462-
loop.br(0), // loop back
463-
loop.end(),
464-
block.end(),
465-
);
462+
loop.br(0), // loop back
463+
loop.end(),
464+
block.end(),
465+
);
466466
}
467467
case "FunctionDeclStatement": {
468468
const { name, params, body } = stmt;
@@ -556,40 +556,40 @@ const compileExpression = (
556556
if (nativeOp && expr.operator === "+") {
557557
// biome-ignore format: keep if structure
558558
return wat(
559-
left,
560-
fn.call(func().is_string),
561-
right,
562-
fn.call(func().is_string),
563-
i32.or(), // is_string(left) || is_string(right)
564-
if_.start(valType("i32")),
565-
left,
566-
right,
567-
fn.call(func().concat),
568-
if_.else(),
569-
left,
570-
fn.call(func().is_bool),
571-
right,
572-
fn.call(func().is_bool),
573-
i32.or(),
574-
if_.start(valType("i32")), // is_bool(left) || is_bool(right)
575-
left,
576-
fn.call(func().to_number),
577-
fn.call(func().unbox_number),
578-
right,
579-
fn.call(func().to_number),
580-
fn.call(func().unbox_number),
581-
f64.add(),
582-
fn.call(func().box_number),
583-
if_.else(), // just add them otherwise
584-
left,
585-
fn.call(func().unbox_number),
586-
right,
587-
fn.call(func().unbox_number),
588-
f64.add(),
589-
fn.call(func().box_number),
590-
if_.end(), // bool
591-
if_.end(), // string
592-
);
559+
left,
560+
fn.call(func().is_string),
561+
right,
562+
fn.call(func().is_string),
563+
i32.or(), // is_string(left) || is_string(right)
564+
if_.start(valType("i32")),
565+
left,
566+
right,
567+
fn.call(func().concat),
568+
if_.else(),
569+
left,
570+
fn.call(func().is_bool),
571+
right,
572+
fn.call(func().is_bool),
573+
i32.or(),
574+
if_.start(valType("i32")), // is_bool(left) || is_bool(right)
575+
left,
576+
fn.call(func().to_number),
577+
fn.call(func().unbox_number),
578+
right,
579+
fn.call(func().to_number),
580+
fn.call(func().unbox_number),
581+
f64.add(),
582+
fn.call(func().box_number),
583+
if_.else(), // just add them otherwise
584+
left,
585+
fn.call(func().unbox_number),
586+
right,
587+
fn.call(func().unbox_number),
588+
f64.add(),
589+
fn.call(func().box_number),
590+
if_.end(), // bool
591+
if_.end(), // string
592+
);
593593
}
594594

595595
// Native operators supported for f64
@@ -633,31 +633,31 @@ const compileExpression = (
633633
const scratch = consumeScratchIndex();
634634
// biome-ignore format: keep if structure
635635
return wat(
636-
left, // evaluate A
637-
local.set(scratch),
638-
local.get(scratch),
639-
fn.call(func().is_truthy),
640-
if_.start(valType("i32")),
641-
right, // evaluate and return B
642-
if_.else(),
643-
local.get(scratch), // return A
644-
if_.end(),
645-
);
636+
left, // evaluate A
637+
local.set(scratch),
638+
local.get(scratch),
639+
fn.call(func().is_truthy),
640+
if_.start(valType("i32")),
641+
right, // evaluate and return B
642+
if_.else(),
643+
local.get(scratch), // return A
644+
if_.end(),
645+
);
646646
}
647647
case "or": {
648648
const scratch = consumeScratchIndex();
649649
// biome-ignore format: keep if structure
650650
return wat(
651-
left, // evaluate A
652-
local.set(scratch),
653-
local.get(scratch),
654-
fn.call(func().is_truthy),
655-
if_.start(valType("i32")),
656-
local.get(scratch), //return A
657-
if_.else(),
658-
right, // evaluate and return B
659-
if_.end(),
660-
);
651+
left, // evaluate A
652+
local.set(scratch),
653+
local.get(scratch),
654+
fn.call(func().is_truthy),
655+
if_.start(valType("i32")),
656+
local.get(scratch), //return A
657+
if_.else(),
658+
right, // evaluate and return B
659+
if_.end(),
660+
);
661661
}
662662
default:
663663
throw new Error(`Unsupported binary operator: ${expr.operator}`);

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