luau-lang/luau
1
0
Fork 0
mirror of https://github.com/luau-lang/luau.git synced 2025-04-04 10:50:54 +01:00
Code Issues Projects Releases Packages Wiki Activity

spelling: falsy

Browse source
This commit is contained in:
Josh Soref 2021-11-04 00:35:24 -04:00
parent 4faa342922
commit dd4702ac09
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
Compiler/src/Compiler.cpp
View file

@ -713,7 +713,7 @@ struct Compiler
// compile expr to target temp register
// if the expr (or not expr if onlyTruth is false) is truthful, jump via skipJump
// if the expr (or not expr if onlyTruth is false) is falseful, fall through (target isn't guaranteed to be updated in this case)
// if the expr (or not expr if onlyTruth is false) is falsy, fall through (target isn't guaranteed to be updated in this case)
// if target is omitted, then the jump behavior is the same - skipJump or fallthrough depending on the truthfulness of the expression
void compileConditionValue(AstExpr* node, const uint8_t* target, std::vector<size_t>& skipJump, bool onlyTruth)
{
@ -741,7 +741,7 @@ struct Compiler
case AstExprBinary::And:
case AstExprBinary::Or:
{
// disambiguation: there's 4 cases (we only need truthful or falseful results based on onlyTruth)
// disambiguation: there's 4 cases (we only need truthful or falsy results based on onlyTruth)
// onlyTruth = 1: a and b transforms to a ? b : dontcare
// onlyTruth = 1: a or b transforms to a ? a : a
// onlyTruth = 0: a and b transforms to !a ? a : b
@ -785,8 +785,8 @@ struct Compiler
if (target)
{
// since target is a temp register, we'll initialize it to 1, and then jump if the comparison is true
// if the comparison is false, we'll fallthrough and target will still be 1 but target has unspecified value for falseful results
// when we only care about falseful values instead of truthful values, the process is the same but with flipped conditionals
// if the comparison is false, we'll fallthrough and target will still be 1 but target has unspecified value for falsy results
// when we only care about falsy values instead of truthful values, the process is the same but with flipped conditionals
bytecode.emitABC(LOP_LOADB, *target, onlyTruth ? 1 : 0, 0);
}