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translate-c: Support for integer to boolean conversions

master
LemonBoy 2019-04-16 23:09:46 +02:00
parent 19b8278f91
commit d3dd49c403
1 changed files with 17 additions and 2 deletions
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19
src/translate_c.cpp
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@ -1944,8 +1944,23 @@ static AstNode *trans_implicit_cast_expr(Context *c, ResultUsed result_used, Tra
emit_warning(c, bitcast(stmt->getBeginLoc()), "TODO handle C CK_VectorSplat");
return nullptr;
case ZigClangCK_IntegralToBoolean:
emit_warning(c, bitcast(stmt->getBeginLoc()), "TODO handle C CK_IntegralToBoolean");
return nullptr;
{
const clang::Expr *expr = stmt->getSubExpr();
bool expr_val;
if (expr->EvaluateAsBooleanCondition(expr_val, *reinterpret_cast<clang::ASTContext *>(c->ctx))) {
return trans_create_node_bool(c, expr_val);
}
AstNode *val = trans_expr(c, ResultUsedYes, scope, bitcast(expr), TransRValue);
if (val == nullptr)
return nullptr;
AstNode *zero = trans_create_node_unsigned(c, 0);
// Translate as val != 0
return trans_create_node_bin_op(c, val, BinOpTypeCmpNotEq, zero);
}
case ZigClangCK_IntegralToFloating:
case ZigClangCK_FloatingToIntegral:
{