18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.internal.runtime;
27
28 /**
29 * This is the base class for function scopes. Subclasses of this class are
30 * produced by the ObjectClassGenerator along with additional fields for storing
31 * local vars. The number of fields required is determined by ObjectCreator.
32 *
33 * The scope is also responsible for handling the var arg 'arguments' object,
34 * though most of the access is via generated code.
35 *
36 * The constructor of this class is responsible for any function prologue
37 * involving the scope.
38 *
39 * TODO see NASHORN-715.
40 */
41 public class FunctionScope extends ScriptObject implements Scope {
42
43 /** Area to store scope arguments. (public for access from scripts.) */
44 public final ScriptObject arguments;
45
46 /** Flag to indicate that a split method issued a return statement */
47 private int splitState = -1;
48
49 /**
50 * Constructor
51 *
52 * @param map property map
53 * @param callerScope caller scope
54 * @param arguments arguments
55 */
56 public FunctionScope(final PropertyMap map, final ScriptObject callerScope, final ScriptObject arguments) {
57 super(callerScope, map);
58 this.arguments = arguments;
59 setIsScope();
60 }
61
62 /**
63 * Constructor
64 *
65 * @param map property map
66 * @param callerScope caller scope
67 */
68 public FunctionScope(final PropertyMap map, final ScriptObject callerScope) {
69 super(callerScope, map);
70 this.arguments = null;
71 setIsScope();
72 }
73
74 /**
75 * Constructor
76 *
77 * @param map property map
78 * @param primitiveSpill primitive spill pool
79 * @param objectSpill reference spill pool
80 */
81 public FunctionScope(final PropertyMap map, final long[] primitiveSpill, final Object[] objectSpill) {
82 super(map, primitiveSpill, objectSpill);
83 this.arguments = null;
84 }
85
86
87 /**
88 * Get the current split state.
89 * @return current split state
90 */
91 @Override
92 public int getSplitState() {
93 return splitState;
94 }
95
96 /**
97 * Set the current split state.
98 * @param state current split state
99 */
100 @Override
101 public void setSplitState(final int state) {
102 splitState = state;
103 }
104 }
|
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.internal.runtime;
27
28 /**
29 * This is the base class for function scopes. Subclasses of this class are
30 * produced by the ObjectClassGenerator along with additional fields for storing
31 * local vars. The number of fields required is determined by ObjectCreator.
32 *
33 * The scope is also responsible for handling the var arg 'arguments' object,
34 * though most of the access is via generated code.
35 *
36 * The constructor of this class is responsible for any function prologue
37 * involving the scope.
38 */
39 public class FunctionScope extends Scope {
40
41 /** Area to store scope arguments. (public for access from scripts.) */
42 public final ScriptObject arguments;
43
44 /**
45 * Constructor
46 *
47 * @param map property map
48 * @param callerScope caller scope
49 * @param arguments arguments
50 */
51 public FunctionScope(final PropertyMap map, final ScriptObject callerScope, final ScriptObject arguments) {
52 super(callerScope, map);
53 this.arguments = arguments;
54 }
55
56 /**
57 * Constructor
58 *
59 * @param map property map
60 * @param callerScope caller scope
61 */
62 public FunctionScope(final PropertyMap map, final ScriptObject callerScope) {
63 super(callerScope, map);
64 this.arguments = null;
65 }
66
67 /**
68 * Constructor
69 *
70 * @param map property map
71 * @param primitiveSpill primitive spill pool
72 * @param objectSpill reference spill pool
73 */
74 public FunctionScope(final PropertyMap map, final long[] primitiveSpill, final Object[] objectSpill) {
75 super(map, primitiveSpill, objectSpill);
76 this.arguments = null;
77 }
78 }
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