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      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 #ifndef V8_ARM_CODEGEN_ARM_H_
     29 #define V8_ARM_CODEGEN_ARM_H_
     30 
     31 #include "ast.h"
     32 #include "code-stubs-arm.h"
     33 #include "ic-inl.h"
     34 
     35 namespace v8 {
     36 namespace internal {
     37 
     38 // Forward declarations
     39 class CompilationInfo;
     40 
     41 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
     42 
     43 // -------------------------------------------------------------------------
     44 // CodeGenerator
     45 
     46 class CodeGenerator: public AstVisitor {
     47  public:
     48   static bool MakeCode(CompilationInfo* info);
     49 
     50   // Printing of AST, etc. as requested by flags.
     51   static void MakeCodePrologue(CompilationInfo* info);
     52 
     53   // Allocate and install the code.
     54   static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
     55                                        Code::Flags flags,
     56                                        CompilationInfo* info);
     57 
     58   // Print the code after compiling it.
     59   static void PrintCode(Handle<Code> code, CompilationInfo* info);
     60 
     61 #ifdef ENABLE_LOGGING_AND_PROFILING
     62   static bool ShouldGenerateLog(Expression* type);
     63 #endif
     64 
     65   static void SetFunctionInfo(Handle<JSFunction> fun,
     66                               FunctionLiteral* lit,
     67                               bool is_toplevel,
     68                               Handle<Script> script);
     69 
     70   static bool RecordPositions(MacroAssembler* masm,
     71                               int pos,
     72                               bool right_here = false);
     73 
     74   // Constants related to patching of inlined load/store.
     75   static int GetInlinedKeyedLoadInstructionsAfterPatch() {
     76     return FLAG_debug_code ? 32 : 13;
     77   }
     78   static const int kInlinedKeyedStoreInstructionsAfterPatch = 8;
     79   static int GetInlinedNamedStoreInstructionsAfterPatch() {
     80     ASSERT(Isolate::Current()->inlined_write_barrier_size() != -1);
     81     return Isolate::Current()->inlined_write_barrier_size() + 4;
     82   }
     83 
     84  private:
     85   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
     86 };
     87 
     88 
     89 } }  // namespace v8::internal
     90 
     91 #endif  // V8_ARM_CODEGEN_ARM_H_
     92