Mercurial > hg > truffle
annotate src/share/vm/runtime/fieldType.hpp @ 1648:8099e71601df
6968368: SIGSEGV in the BCEscapeAnalyzer::copy_dependencies
Summary: Use GrowableArray and VectorSet allocated in ciEnv arena.
Reviewed-by: never, twisti
author | kvn |
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date | Wed, 14 Jul 2010 14:47:34 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // Note: FieldType should be based on the SignatureIterator (or vice versa). | |
26 // In any case, this structure should be re-thought at some point. | |
27 | |
28 // A FieldType is used to determine the type of a field from a signature string. | |
29 | |
30 class FieldType: public AllStatic { | |
31 private: | |
32 static void skip_optional_size(symbolOop signature, int* index); | |
33 static bool is_valid_array_signature(symbolOop signature); | |
34 public: | |
35 | |
36 // Return basic type | |
37 static BasicType basic_type(symbolOop signature); | |
38 | |
39 // Testing | |
40 static bool is_array(symbolOop signature) { return signature->utf8_length() > 1 && signature->byte_at(0) == '[' && is_valid_array_signature(signature); } | |
41 | |
42 static bool is_obj(symbolOop signature) { | |
43 int sig_length = signature->utf8_length(); | |
44 // Must start with 'L' and end with ';' | |
45 return (sig_length >= 2 && | |
46 (signature->byte_at(0) == 'L') && | |
47 (signature->byte_at(sig_length - 1) == ';')); | |
48 } | |
49 | |
50 // Parse field and extract array information. Works for T_ARRAY only. | |
51 static BasicType get_array_info(symbolOop signature, jint* dimension, symbolOop *object_key, TRAPS); | |
52 }; |