ssa: support string and pointer debug info, fix params debugging

cl/_testdata/debug/in.go

@@ -28,10 +28,10 @@ type StructWithAllTypeFields struct {
 	c128 complex128
 	// slice []int
 	// arr   [3]int
-	// s string
-	e E
-	// pf *StructWithAllTypeFields // resursive
-	// pi *int
+	s  string
+	e  E
+	pf *StructWithAllTypeFields // resursive
+	pi *int
 	// intr  Interface
 	// m     map[string]uint64
 	// c     chan int
@@ -51,6 +51,7 @@ func (s *Struct) Foo(a []int, b string) int {
 
 func FuncWithAllTypeStructParam(s StructWithAllTypeFields) {
 	println(&s)
+	println(len(s.s))
 }
 
 // Params is a function with all types of parameters.
@@ -72,11 +73,11 @@ func FuncWithAllTypeParams(
 	c128 complex128,
 	// slice []int,
 	// arr [3]int,
-	// s string,
+	s string,
 	e E,
 	f StructWithAllTypeFields,
-	// pf *StructWithAllTypeFields,
-	// pi *int,
+	pf *StructWithAllTypeFields,
+	pi *int,
 	// intr Interface,
 	// m map[string]uint64,
 	// c chan int,
@@ -88,7 +89,8 @@ func FuncWithAllTypeParams(
 		f32, f64, b,
 		c64, c128,
 		// slice, arr[0:],
-		// s, &e, &f, pf, pi, intr, m, c, err,
+		s,
+		// &e, &f, pf, pi, intr, m, c, err,
 		// fn,
 	)
 	return 1, errors.New("Some error")
@@ -114,10 +116,10 @@ func main() {
 		c128: 15 + 16i,
 		// slice: []int{21, 22, 23},
 		// arr:   [3]int{24, 25, 26},
-		// s:     "hello",
-		e: E{i: 30},
-		// pf: &StructWithAllTypeFields{},
-		// pi: &i,
+		s:  "hello",
+		e:  E{i: 30},
+		pf: &StructWithAllTypeFields{},
+		pi: &i,
 		// intr:  &Struct{},
 		// m:     make(map[string]uint64),
 		// c:     make(chan int),
@@ -134,9 +136,10 @@ func main() {
 		s.i8, s.i16, s.i32, s.i64, s.i, s.u8, s.u16, s.u32, s.u64, s.u,
 		s.f32, s.f64, s.b,
 		s.c64, s.c128,
-		// s.slice, s.arr, s.s,
+		// s.slice, s.arr,
+		s.s,
 		s.e, s,
-		// s.pf, s.pi,
+		s.pf, s.pi,
 		// s.intr, s.m, s.c, s.err,
 		// s.fn,
 	)