remove repl prompt prefix before parsing

base/LineEdit.jl

@@ -1302,9 +1302,14 @@ Must satisfy `0 < tabwidth <= 16`.
 """
 global tabwidth = 8
 
+const STANDARD_REPL_PROMPTS = ["julia> ", "help?> ", "shell> "]
+
 function bracketed_paste(s)
     ps = state(s, mode(s))
     input = readuntil(ps.terminal, "\e[201~")[1:(end-6)]
+    if ps.p.prompt in STANDARD_REPL_PROMPTS && startswith(input, ps.p.prompt)
+        input = input[sizeof(ps.p.prompt)+1:end]
+    end
     input = replace(input, '\r', '\n')
     if position(buffer(s)) == 0
         indent = Base.indentation(input; tabwidth=tabwidth)[1]

base/REPL.jl

@@ -832,6 +832,18 @@ function setup_interface(repl::LineEditREPL; hascolor = repl.hascolor, extra_rep
             oldpos = start(input)
             firstline = true
             while !done(input, oldpos) # loop until all lines have been executed
+                # Check if the next statement starts with "julia> ", in that case
+                # skip it. But first skip whitespace
+                c = oldpos
+                while c <= sizeof(input) && (input[c] == '\n' || input[c] == ' ' || input[c] == '\t')
+                    c = nextind(input, c)
+                end
+                n_newlines = c - oldpos
+                # Skip over prompt prefix if statement starts with it
+                jl_prompt_len = 7
+                if c + jl_prompt_len <= sizeof(input) && input[c:c+jl_prompt_len-1] == "julia> "
+                    oldpos += jl_prompt_len + n_newlines
+                end
                 ast, pos = Base.syntax_deprecation_warnings(false) do
                     Base.parse(input, oldpos, raise=false)
                 end

test/repl.jl

@@ -397,6 +397,64 @@ begin
     # Try entering search mode while in custom repl mode
     LineEdit.enter_search(s, custom_histp, true)
 end
+
+# Test removal of prompt in bracket pasting
+begin
+    stdin_write, stdout_read, stderr_read, repl = fake_repl()
+
+    repl.interface = REPL.setup_interface(repl)
+    repl_mode = repl.interface.modes[1]
+    shell_mode = repl.interface.modes[2]
+    help_mode = repl.interface.modes[3]
+
+    repltask = @async begin
+        Base.REPL.run_repl(repl)
+    end
+
+    c = Condition()
+
+    sendrepl2(cmd) = write(stdin_write,"$cmd\n notify(c)\n")
+
+    # Test single statement
+    sendrepl2("\e[200~julia> A = 2\e[201~\n")
+    wait(c)
+    @test A == 2
+
+    # Test multi statement
+    sendrepl2("""\e[200~
+            julia> type T17599; a::Int; end
+
+                function foo(julia)
+            julia> 3
+                end
+
+                    julia> A = 3\e[201~
+             """)
+    wait(c)
+    @test A == 3
+    @test foo(4)
+    @test T17599(3).a == 3
+    @test !foo(2)
+
+    # Test only works in bracket mode
+    sendrepl2("julia = 4\n julia> 3 && (A = 1)\n")
+    wait(c)
+    @test A == 1
+
+    # Test shell> mode
+    tmpdir = mktempdir()
+    curr_dir = pwd()
+    write(stdin_write, ";")
+    write(stdin_write, "\e[200~shell> cd $(escape_string(tmpdir))\e[201~\n")
+    sendrepl2("tmpdirnow = pwd()")
+    wait(c)
+    @test tmpdirnow == tmpdir
+    cd(curr_dir)
+
+    write(stdin_write, '\x04')
+    wait(repltask)
+end
+
 # Simple non-standard REPL tests
 if !is_windows() || Sys.windows_version() >= Sys.WINDOWS_VISTA_VER
     stdin_write, stdout_read, stdout_read, repl = fake_repl()