def translate_printf_style_formatting(builder: IRBuilder,
format_expr: Union[StrExpr, BytesExpr],
rhs: Expression) -> Optional[Value]:
tokens = tokenizer_printf_style(format_expr.value)
if tokens is not None:
literals, format_ops = tokens
exprs = []
if isinstance(rhs, TupleExpr):
exprs = rhs.items
elif isinstance(rhs, Expression):
exprs.append(rhs)
if isinstance(format_expr, BytesExpr):
substitutions = convert_format_expr_to_bytes(builder, format_ops,
exprs, format_expr.line)
if substitutions is not None:
return join_formatted_bytes(builder, literals, substitutions, format_expr.line)
else:
substitutions = convert_format_expr_to_str(builder, format_ops,
exprs, format_expr.line)
if substitutions is not None:
return join_formatted_strings(builder, literals, substitutions, format_expr.line)
return None
def translate_str_format_percent_sign(builder: IRBuilder, format_expr: StrExpr,
rhs: Expression) -> Value:
tokens = tokenizer_printf_style(format_expr.value)
if tokens is not None:
literals, format_ops = tokens
exprs = []
if isinstance(rhs, TupleExpr):
exprs = rhs.items
elif isinstance(rhs, Expression):
exprs.append(rhs)
substitutions = convert_expr(builder, format_ops, exprs,
format_expr.line)
if substitutions is not None:
return join_formatted_strings(builder, literals, substitutions,
format_expr.line)
call_c_ops_candidates = binary_ops.get('%', [])
ret = builder.builder.matching_call_c(
call_c_ops_candidates,
[builder.accept(format_expr),
builder.accept(rhs)], format_expr.line)
assert ret is not None, 'Cannot use binary op % at line {}'.format(
format_expr.line)
return ret