2 * Copyright (C) 2011 Apple Inc. All rights reserved.
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5 * modification, are permitted provided that the following conditions
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26 #ifndef DFGCapabilities_h
27 #define DFGCapabilities_h
29 #include "Interpreter.h"
30 #include <wtf/Platform.h>
32 namespace JSC { namespace DFG {
35 // Fast check functions; if they return true it is still necessary to
37 inline bool mightCompileEval(CodeBlock*) { return true; }
38 inline bool mightCompileProgram(CodeBlock*) { return true; }
39 inline bool mightCompileFunctionForCall(CodeBlock*) { return true; }
40 inline bool mightCompileFunctionForConstruct(CodeBlock*) { return false; }
43 inline bool canCompileOpcode(OpcodeID opcodeID)
63 #if ENABLE(DEBUG_WITH_BREAKPOINT)
67 case op_check_has_instance:
85 case op_get_global_var:
86 case op_put_global_var:
92 case op_loop_if_false:
104 case op_loop_if_less:
105 case op_loop_if_lesseq:
106 case op_loop_if_greater:
107 case op_loop_if_greatereq:
112 case op_call_put_result:
114 case op_resolve_base:
121 bool canCompileOpcodes(CodeBlock*);
122 #else // ENABLE(DFG_JIT)
123 inline bool mightCompileEval(CodeBlock*) { return false; }
124 inline bool mightCompileProgram(CodeBlock*) { return false; }
125 inline bool mightCompileFunctionForCall(CodeBlock*) { return false; }
126 inline bool mightCompileFunctionForConstruct(CodeBlock*) { return false; }
127 inline bool canCompileOpcode(OpcodeID) { return false; }
128 inline bool canCompileOpcodes(CodeBlock*) { return false; }
129 #endif // ENABLE(DFG_JIT)
131 inline bool canCompileEval(CodeBlock* codeBlock)
133 return mightCompileEval(codeBlock) && canCompileOpcodes(codeBlock);
136 inline bool canCompileProgram(CodeBlock* codeBlock)
138 return mightCompileProgram(codeBlock) && canCompileOpcodes(codeBlock);
141 inline bool canCompileFunctionForCall(CodeBlock* codeBlock)
143 return mightCompileFunctionForCall(codeBlock) && canCompileOpcodes(codeBlock);
146 inline bool canCompileFunctionForConstruct(CodeBlock* codeBlock)
148 return mightCompileFunctionForConstruct(codeBlock) && canCompileOpcodes(codeBlock);
151 } } // namespace JSC::DFG
153 #endif // DFGCapabilities_h