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minor refactorings

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This commit is contained in:
Andreas Rumpf 2019-12-27 08:29:40 +01:00
commit 1917ebf082
5 changed files with 34 additions and 22 deletions
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18
compiler/ast.nim
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@ -1832,3 +1832,21 @@ proc addParam*(procType: PType; param: PSym) =
template destructor*(t: PType): PSym = t.attachedOps[attachedDestructor]
template assignment*(t: PType): PSym = t.attachedOps[attachedAsgn]
template asink*(t: PType): PSym = t.attachedOps[attachedSink]
const magicsThatCanRaise = {
mNone, mSlurp, mStaticExec, mParseExprToAst, mParseStmtToAst}
proc canRaiseConservative*(fn: PNode): bool =
if fn.kind == nkSym and fn.sym.magic notin magicsThatCanRaise:
result = false
else:
result = true
proc canRaise*(fn: PNode): bool =
if fn.kind == nkSym and (fn.sym.magic notin magicsThatCanRaise or
{sfImportc, sfInfixCall} * fn.sym.flags == {sfImportc}):
result = false
else:
result = fn.typ != nil and ((fn.typ.n[0].len < effectListLen) or
(fn.typ.n[0][exceptionEffects] != nil and
fn.typ.n[0][exceptionEffects].safeLen > 0))