A_stm prog3(void) {
return A_CompoundStm(
A_PrintStm(A_PairExpList(
A_EseqExp(
A_CompoundStm(
A_PrintStm(A_PairExpList(
A_EseqExp(
A_AssignStm(
"a",
A_NumExp(1)
),
A_IdExp("a")
),
A_LastExpList(A_NumExp(3))
)),
A_AssignStm(
"b",
A_NumExp(2)
)
),
A_IdExp("a")
),
A_LastExpList(A_IdExp("a"))
)),
A_PrintStm(A_LastExpList(A_IdExp("b")))
);
}
A_stm prog1(void)
{
//return A_AssignStm("a", A_OpExp(A_NumExp(5),A_plus, A_NumExp(3)));
return A_CompoundStm(A_AssignStm("a", A_OpExp(A_NumExp(5),A_plus, A_NumExp(3))),
A_CompoundStm(A_AssignStm("b",
A_EseqExp(A_PrintStm(A_PairExpList(A_IdExp("a"),
A_LastExpList(A_OpExp(A_IdExp("a"), A_minus, A_NumExp(1))))),
A_OpExp(A_NumExp(10), A_times, A_IdExp("a")))),
A_PrintStm(A_LastExpList(A_IdExp("b")))));
}
A_stm prog(void) {
// a = 5 + 3; b = (print(a, a-1), 10*a); print b;
return
A_CompoundStm(A_AssignStm("a",
A_OpExp(A_NumExp(5), A_plus, A_NumExp(3))),
A_CompoundStm(A_AssignStm("b",
A_EseqExp(A_PrintStm(A_PairExpList(A_IdExp("a"),
A_LastExpList(A_OpExp(A_IdExp("a"), A_minus,
A_NumExp(1))))),
A_OpExp(A_NumExp(10), A_times, A_IdExp("a")))),
A_PrintStm(A_LastExpList(A_IdExp("b")))));
}
static void test_maxargs_deep_nested(void** state) {
// maxargs(stm) can work with deeply nested statements
A_stm stm = A_CompoundStm(
A_AssignStm("a", A_NumExp(0)),
A_CompoundStm(
A_PrintStm(A_PairExpList(
A_NumExp(7),
A_LastExpList(A_NumExp(42))
)),
A_AssignStm("a", A_NumExp(5))
)
);
assert_int_equal(2, maxargs(stm));
}
static void test_maxargs_nested(void** state) {
// maxargs(stm) can work with nested statements
A_stm stm = A_CompoundStm(
A_PrintStm(A_LastExpList(A_NumExp(7))),
A_AssignStm("a", A_NumExp(7))
);
assert_int_equal(1, maxargs(stm));
}
A_stm error_prog(void)
{
// a = 5 + 3; b = (print(a, a-1), 10*a); print b;
// a = 5 + b; b = (print(a, a, a-1), 10*a); print b;
// a = c;
A_stm stm1 = prog_prog();
return
A_CompoundStm( stm1, A_AssignStm("a", A_IdExp("c")));
}
A_stm right_prog(void)
{
// a = 5 + 3; b = (print(a, a-1), 10*a); print b;
// a = 5 + b; b = (print(a, a, a-1), 10*a); print b;
// a = (a = a+b, a);
A_stm stm1 = prog_prog();
return
A_CompoundStm( stm1, A_AssignStm("a",
A_EseqExp(A_AssignStm("a", A_OpExp(A_IdExp("a"), A_plus, A_IdExp("b"))),
A_IdExp("a"))));
}
static void test_maxargs_multiple(void** state) {
// maxargs(stm) works with multiple 'A_printStm's
A_stm stm = A_CompoundStm(
A_PrintStm(A_PairExpList(
A_NumExp(7),
A_LastExpList(A_NumExp(9))
)),
A_PrintStm(A_LastExpList(A_NumExp(8)))
);
assert_int_equal(2, maxargs(stm));
}
static void test_maxargs_complex(void** state) {
// maxargs(stm) works with an arbitrary complex statement
A_stm stm = A_CompoundStm(
A_AssignStm(
"a",
A_OpExp(A_NumExp(5), A_plus, A_NumExp(3))
),
A_CompoundStm(
A_AssignStm("b", A_EseqExp(
A_PrintStm(A_PairExpList(
A_IdExp("a"),
A_LastExpList(
A_OpExp(A_IdExp("a"), A_minus, A_NumExp(1))
)
)),
A_OpExp(A_NumExp(10), A_times, A_IdExp("a"))
)),
A_PrintStm(A_LastExpList(A_IdExp("b")))
)
);
assert_int_equal(2, maxargs(stm));
}