Add compile-file/macro-backtrace-{invalid-internals,nested,println} tests
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Macros in statement vs expression position handle backtraces differently.
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macro_rules! fake_method_stmt { //~ NOTE in expansion of
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() => {
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1.fake() //~ ERROR does not implement any method
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}
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}
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macro_rules! fake_field_stmt { //~ NOTE in expansion of
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() => {
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1.fake //~ ERROR no field with that name
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}
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}
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macro_rules! fake_anon_field_stmt { //~ NOTE in expansion of
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() => {
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(1).0 //~ ERROR type was not a tuple
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}
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}
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macro_rules! fake_method_expr { //~ NOTE in expansion of
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() => {
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1.fake() //~ ERROR does not implement any method
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}
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}
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macro_rules! fake_field_expr {
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() => {
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1.fake
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}
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}
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macro_rules! fake_anon_field_expr {
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() => {
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(1).0
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}
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}
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fn main() {
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fake_method_stmt!(); //~ NOTE expansion site
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fake_field_stmt!(); //~ NOTE expansion site
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fake_anon_field_stmt!(); //~ NOTE expansion site
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let _ = fake_method_expr!(); //~ NOTE expansion site
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let _ = fake_field_expr!(); //~ ERROR no field with that name
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let _ = fake_anon_field_expr!(); //~ ERROR type was not a tuple
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}
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// In expression position, but not statement position, when we expand a macro,
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// we replace the span of the expanded expression with that of the call site.
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macro_rules! nested_expr {
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() => (fake)
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}
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macro_rules! call_nested_expr {
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() => (nested_expr!())
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}
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macro_rules! call_nested_expr_sum { //~ NOTE in expansion of
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() => { 1 + nested_expr!(); } //~ ERROR unresolved name
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}
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fn main() {
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1 + call_nested_expr!(); //~ ERROR unresolved name
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call_nested_expr_sum!(); //~ NOTE expansion site
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}
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@ -0,0 +1,29 @@
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// The `format_args!` syntax extension issues errors before code expansion
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// has completed, but we still need a backtrace.
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// This test includes stripped-down versions of `print!` and `println!`,
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// because we can't otherwise verify the lines of the backtrace.
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fn print(_args: std::fmt::Arguments) {}
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macro_rules! myprint { //~ NOTE in expansion of
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($($arg:tt)*) => (print(format_args!($($arg)*)));
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}
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macro_rules! myprintln { //~ NOTE in expansion of
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($fmt:expr) => (myprint!(concat!($fmt, "\n"))); //~ ERROR invalid reference to argument `0`
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}
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fn main() {
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myprintln!("{}"); //~ NOTE expansion site
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}
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