lldb/test/Shell/Expr/TestExprLanguageNote.test

# RUN: split-file %s %t
# RUN: %clangxx_host -g %t/main.cpp -o %t.out
#
# RUN: %lldb -x -b -o "settings set interpreter.stop-command-source-on-error false" \
# RUN:       -s %t/no-target.input 2>&1 | FileCheck %s --check-prefix=CHECK-NO-TARGET
#
# RUN: %lldb %t.out -x -b -o "settings set interpreter.stop-command-source-on-error false" \
# RUN:       -s %t/with-target.input 2>&1 | FileCheck %s --check-prefix=CHECK-TARGET

#--- main.cpp

int main() {
  int x = 10;
  return x;
}

#--- with-target.input

expr blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Falling back to default language. Ran expression as 'Objective C++'.

b 4
run

expr blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Ran expression as '{{(ISO )?}}C++{{.*}}'

expr -l objc -- blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Expression evaluation in pure Objective-C not supported. Ran expression as 'Objective C++'.

expr -l c -- blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Expression evaluation in pure C not supported. Ran expression as 'ISO C++'.

expr -l c++14 -- blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Ran expression as 'C++14'

expr -l c++20 -- blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Ran expression as 'C++20'

expr -l objective-c++ -- blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Ran expression as 'Objective C++'

# D uses TypeSystemClang but running expressions in it isn't supported. Test that we warn about this.
expr -l D -- blah

# CHECK-TARGET: (lldb) expr
# CHECK-TARGET: note: Expression evaluation in D not supported. Falling back to default language. Ran expression as 'Objective C++'.

expr -l c++17 -- x = 5

# CHECK-TARGET:     (lldb) expr
# CHECK-TARGET-NOT: note:

expr x = 5

# CHECK-TARGET:     (lldb) expr
# CHECK-TARGET-NOT: note:

#--- no-target.input

expr blah

# CHECK-NO-TARGET:     (lldb) expr
# CHECK-NO-TARGET:     note: Falling back to default language. Ran expression as 'Objective C++'.

expr -l c++ -- 1 + 1

# CHECK-NO-TARGET:     (lldb) expr
# CHECK-NO-TARGET-NOT: note:

expr 1 + 1

# CHECK-NO-TARGET:     (lldb) expr
# CHECK-NO-TARGET-NOT: note: