member-ptr.exp

lwip在ucos上的移植

# Try to dereference the pointer to data member without any object

send_gdb "print *pmi\n"
gdb_expect {
   -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
      pass "attempt to print ptr to member without object"
    }
    -re ".*$gdb_prompt $" { fail "attempt to print ptr to member without object" }
    timeout { fail "(timeout) attempt to print ptr to member without object" }
}

# Try to ptype a dereference of the pointer to data member without any object

send_gdb "ptype *pmi\n"
gdb_expect {
   -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
      pass "attempt to ptype ptr to member without object"
    }
    -re ".*$gdb_prompt $" { fail "attempt to ptype ptr to member without object" }
    timeout { fail "(timeout) attempt to ptype ptr to member without object" }
}

# Ptype a pointer to a method.

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "ptype pmf\n"
gdb_expect {
   -re "type = int \\( A::\\*\\)\\(\\.\\.\\.\\)\r\n$gdb_prompt $" {
      pass "ptype pmf"
    }
    -re ".*$gdb_prompt $" { fail "ptype pmf" }
    timeout { fail "(timeout) ptype pmf" }
}

# print a pointer to a method

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print pmf\n"
gdb_expect {
   -re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\(\\.\\.\\.\\)\\) \\?\\? <not supported with HP aCC>\r\n$gdb_prompt $" {
      pass "print pmf"
    }
    -re ".*$gdb_prompt $" { fail "print pmf" }
    timeout { fail "(timeout) print pmf" }
}


# Ptype a pointer to a pointer to a method

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "ptype pmf_p\n"
gdb_expect {
   -re "type = int \\( A::\\*\\*\\)\\(\\.\\.\\.\\)\r\n$gdb_prompt $" {
      pass "ptype pmf_p"
    }
    -re ".*$gdb_prompt $" { fail "ptype pmf_p" }
    timeout { fail "(timeout) ptype pmf_p" }
}

# print a pointer to a pointer to a method

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print pmf_p\n"
gdb_expect {
   -re "\\$\[0-9\]* = \\(int \\( A::\\*\\*\\)\\(\\.\\.\\.\\)\\) $hex\r\n$gdb_prompt $" {
      pass "print pmf_p"
    }
    -re ".*$gdb_prompt $" { fail "print pmf_p" }
    timeout { fail "(timeout) print pmf_p" }
}

# print dereferenced pointer to method

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print a.*pmf\n"
gdb_expect {
   -re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {
      pass "print a.*pmf (known aCC limitation)"
    }
    -re ".*$gdb_prompt $" { fail "print a.*pmf" }
    timeout { fail "(timeout) print a.*pmf" }
}

# print dereferenced pointer to method, using ->*

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print a_p->*pmf\n"
gdb_expect {
   -re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {
      pass "print a_p->*pmf (known aCC limitation)"
    }
    -re ".*$gdb_prompt $" { fail "print a_p->*pmf" }
    timeout { fail "(timeout) print a_p->*pmf" }
}

# set the pointer to data member

setup_xfail "hppa*-*-*"
send_gdb "set var pmf = &A::foo\n"
gdb_expect {
   -re "Assignment to pointers to methods not implemented with HP aCC\r\n$gdb_prompt $" {
      pass "set var pmf (known aCC limitation)"
    }
    -re ".*$gdb_prompt $" { fail "set var pmf" }
    timeout { fail "(timeout) set var pmf" }
}

# Try to dereference the pointer to method without any object

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print *pmf\n"
gdb_expect {
   -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
      pass "attempt to print  ptr to method without object"
    }
    -re ".*$gdb_prompt $" { fail "attempt to print ptr to method without object" }
    timeout { fail "(timeout) attempt to print ptr to method without object" }
}

# Try to ptype a dereference of the pointer to method without any object

send_gdb "ptype *pmi\n"
gdb_expect {
   -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
      pass "attempt to ptype ptr to member without object"
    }
    -re ".*$gdb_prompt $" { fail "attempt to ptype ptr to member without object" }
    timeout { fail "(timeout) attempt to ptype ptr to member without object" }
}

# Check cast of pointer to member to integer
setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print (int) pmi\n"
gdb_expect {
   -re "\\$\[0-9\]* = 8\r\n$gdb_prompt $" {
      pass "casting pmi to int"
    }
    -re ".*$gdb_prompt $" { fail "casting pmi to int" }
    timeout { fail "(timeout) casting pmi to int" }
}

# Check cast of pointer to method to integer
setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print (int) pmf\n"
gdb_expect {
   -re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {
      pass "casting pmf to int (known aCC limitation)"
    }
    -re ".*$gdb_prompt $" { fail "casting pmf to int" }
    timeout { fail "(timeout) casting pmf to int" }
}

# Try to invoke a function through a pointer to data member
setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print (a.*pmi)(3)\n"
gdb_expect {
   -re "Not implemented: function invocation through pointer to method with HP aCC\r\n$gdb_prompt $" {
      pass "print (a.*pmi)(3) -- error message should be different"
    }
    -re ".*$gdb_prompt $" { fail "print (a.*pmi)(3)" }
    timeout { fail "(timeout) print (a.*pmi)(3)" }
}

# Try to invoke a function through a pointer to a method
setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print (a.*pmf)(3)\n"
gdb_expect {
   -re "Not implemented: function invocation through pointer to method with HP aCC\r\n$gdb_prompt $" {
      pass "print (a.*pmi)(3) -- known aCC limitation"
    }
    -re ".*$gdb_prompt $" { fail "print (a.*pmf)(3)" }
    timeout { fail "(timeout) print (a.*pmf)(3)" }
}


# Go past assignment of NULL to pmi
setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "next\n"
gdb_expect {
   -re "\r\n85\[ \t\]*k = \\(a.\\*pmf\\)\\(3\\);\r\n$gdb_prompt $" {
      pass "next past 83"
    }
    -re ".*$gdb_prompt $" { fail "next past 83" }
    timeout { fail "(timeout) next past 83" }
}

#send_gdb "print pmi\n"
#gdb_expect {
#   -re "Attempted dereference of null pointer-to-member\r\n$gdb_prompt $" {
#      pass ""
#    }
#    -re ".*$gdb_prompt $" { fail "" }
#    timeout { fail "(timeout) " }
#}

# Dereference the null pointer to member
setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print a.*pmi\n"
gdb_expect {
   -re "Attempted dereference of null pointer-to-member\r\n$gdb_prompt $" {
      pass "print a.*NULL"
    }
    -re ".*$gdb_prompt $" { fail "print a.*NULL" }
    timeout { fail "(timeout) print a.*NULL" }
}


# Go to another part of the program
send_gdb "break 91\n"
gdb_expect {
   -re "Breakpoint \[0-9\]*.*line 91\\.\r\n$gdb_prompt $" {
      pass "set break at 91"
    }
    -re ".*$gdb_prompt $" { fail "set break at 91" }
    timeout { fail "(timeout) set break at 91" }
}

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "continue\n"
gdb_expect {
   -re "Continuing\\.\r\n\r\nBreakpoint.*at.*member-ptr\\.cc:91\r\n91\[ \t]*k = \\(a.\\*pmf\\)\\(4\\);\r\n$gdb_prompt $" {
      pass "continue to 91"
    }
    -re ".*$gdb_prompt $" { fail "continue to 91" }
    timeout { fail "(timeout) continue to 91" }
}


# Now check again that pmi works even when not set to
# something that's at the beginning of the object

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print pmi\n"
gdb_expect {
   -re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\) &A::jj\r\n$gdb_prompt $" {
      pass "print pmi (2)"
    }
    -re ".*$gdb_prompt $" { fail "print pmi (2)" }
    timeout { fail "(timeout) print pmi (2)" }
}


# print dereferenced pointer to data member

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print a.*pmi\n"
gdb_expect {
   -re "\\$\[0-9\]* = 1331\r\n$gdb_prompt $" {
      pass "print a.*pmi (2)"
    }
    -re ".*$gdb_prompt $" { fail "print a.*pmi (2)" }
    timeout { fail "(timeout) print a.*pmi (2)" }
}

# print dereferenced pointer to data member
# this time, dereferenced through a pointer

setup_xfail "hppa*-*-*" CLLbs16901
send_gdb "print a_p->*pmi\n"
gdb_expect {
   -re "\\$\[0-9\]* = 1331\r\n$gdb_prompt $" {
      pass "print a->*pmi"
    }
    -re ".*$gdb_prompt $" { fail "print a->*pmi (2)" }
    timeout { fail "(timeout) print a->*pmi (2)" }
}


# p a.*pmf - fail

# p pmi

# p a.*pmi