luau-lang/luau
1
0
Fork 0
mirror of https://github.com/luau-lang/luau.git synced 2025-05-04 10:33:46 +01:00
Code Issues Projects Releases Packages Wiki Activity

Fix unreachable string & number branches in compileExprIndexExpr

Browse source
This commit is contained in:
Will 2023-12-23 13:48:01 +00:00
parent e76802f2ce
commit ff3618bd2b
1 changed files with 5 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
Compiler/src/Compiler.cpp
View file

@ -1978,11 +1978,10 @@ struct Compiler
{
RegScope rs(this);
Constant cv = getConstant(expr->index);
if (cv.type == Constant::Type_Number && cv.valueNumber >= 1 && cv.valueNumber <= 256 && double(int(cv.valueNumber)) == cv.valueNumber)
if (AstExprConstantNumber* number = expr->index->as<AstExprConstantNumber>();
number && number->value >= 1 && number->value <= 256 && double(int(number->value)) == number->value)
{
uint8_t i = uint8_t(int(cv.valueNumber) - 1);
uint8_t i = uint8_t(int(number->value) - 1);
uint8_t rt = compileExprAuto(expr->expr, rs);
@ -1990,9 +1989,9 @@ struct Compiler
bytecode.emitABC(LOP_GETTABLEN, target, rt, i);
}
else if (cv.type == Constant::Type_String)
else if (AstExprConstantString* string = expr->index->as<AstExprConstantString>())
{
BytecodeBuilder::StringRef iname = sref(cv.getString());
BytecodeBuilder::StringRef iname = sref(string->value);
int32_t cid = bytecode.addConstantString(iname);
if (cid < 0)
CompileError::raise(expr->location, "Exceeded constant limit; simplify the code to compile");