30 #include "oops/typeArrayKlass.hpp" |
30 #include "oops/typeArrayKlass.hpp" |
31 #include "runtime/fieldType.hpp" |
31 #include "runtime/fieldType.hpp" |
32 #include "runtime/signature.hpp" |
32 #include "runtime/signature.hpp" |
33 |
33 |
34 BasicType FieldType::basic_type(Symbol* signature) { |
34 BasicType FieldType::basic_type(Symbol* signature) { |
35 return char2type(signature->byte_at(0)); |
35 return char2type(signature->char_at(0)); |
36 } |
36 } |
37 |
37 |
38 // Check if it is a valid array signature |
38 // Check if it is a valid array signature |
39 bool FieldType::is_valid_array_signature(Symbol* sig) { |
39 bool FieldType::is_valid_array_signature(Symbol* sig) { |
40 assert(sig->utf8_length() > 1, "this should already have been checked"); |
40 assert(sig->utf8_length() > 1, "this should already have been checked"); |
41 assert(sig->byte_at(0) == '[', "this should already have been checked"); |
41 assert(sig->char_at(0) == '[', "this should already have been checked"); |
42 // The first character is already checked |
42 // The first character is already checked |
43 int i = 1; |
43 int i = 1; |
44 int len = sig->utf8_length(); |
44 int len = sig->utf8_length(); |
45 // First skip all '['s |
45 // First skip all '['s |
46 while(i < len - 1 && sig->byte_at(i) == '[') i++; |
46 while(i < len - 1 && sig->char_at(i) == '[') i++; |
47 |
47 |
48 // Check type |
48 // Check type |
49 switch(sig->byte_at(i)) { |
49 switch(sig->char_at(i)) { |
50 case 'B': // T_BYTE |
50 case 'B': // T_BYTE |
51 case 'C': // T_CHAR |
51 case 'C': // T_CHAR |
52 case 'D': // T_DOUBLE |
52 case 'D': // T_DOUBLE |
53 case 'F': // T_FLOAT |
53 case 'F': // T_FLOAT |
54 case 'I': // T_INT |
54 case 'I': // T_INT |
57 case 'Z': // T_BOOLEAN |
57 case 'Z': // T_BOOLEAN |
58 // If it is an array, the type is the last character |
58 // If it is an array, the type is the last character |
59 return (i + 1 == len); |
59 return (i + 1 == len); |
60 case 'L': |
60 case 'L': |
61 // If it is an object, the last character must be a ';' |
61 // If it is an object, the last character must be a ';' |
62 return sig->byte_at(len - 1) == ';'; |
62 return sig->char_at(len - 1) == ';'; |
63 } |
63 } |
64 |
64 |
65 return false; |
65 return false; |
66 } |
66 } |
67 |
67 |
68 |
68 |
69 BasicType FieldType::get_array_info(Symbol* signature, FieldArrayInfo& fd, TRAPS) { |
69 BasicType FieldType::get_array_info(Symbol* signature, FieldArrayInfo& fd, TRAPS) { |
70 assert(basic_type(signature) == T_ARRAY, "must be array"); |
70 assert(basic_type(signature) == T_ARRAY, "must be array"); |
71 int index = 1; |
71 int index = 1; |
72 int dim = 1; |
72 int dim = 1; |
73 while (signature->byte_at(index) == '[') { |
73 while (signature->char_at(index) == '[') { |
74 index++; |
74 index++; |
75 dim++; |
75 dim++; |
76 } |
76 } |
77 ResourceMark rm; |
77 ResourceMark rm; |
78 char *element = signature->as_C_string() + index; |
78 char *element = signature->as_C_string() + index; |