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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 
     29 #ifndef V8_MIPS_CODEGEN_MIPS_H_
     30 #define V8_MIPS_CODEGEN_MIPS_H_
     31 
     32 
     33 #include "ast.h"
     34 #include "ic-inl.h"
     35 
     36 namespace v8 {
     37 namespace internal {
     38 
     39 // Forward declarations
     40 class CompilationInfo;
     41 
     42 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
     43 
     44 // -------------------------------------------------------------------------
     45 // CodeGenerator
     46 
     47 class CodeGenerator: public AstVisitor {
     48  public:
     49   static bool MakeCode(CompilationInfo* info);
     50 
     51   // Printing of AST, etc. as requested by flags.
     52   static void MakeCodePrologue(CompilationInfo* info);
     53 
     54   // Allocate and install the code.
     55   static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
     56                                        Code::Flags flags,
     57                                        CompilationInfo* info);
     58 
     59   // Print the code after compiling it.
     60   static void PrintCode(Handle<Code> code, CompilationInfo* info);
     61 
     62   static bool ShouldGenerateLog(Expression* type);
     63 
     64   static void SetFunctionInfo(Handle<JSFunction> fun,
     65                               FunctionLiteral* lit,
     66                               bool is_toplevel,
     67                               Handle<Script> script);
     68 
     69   static bool RecordPositions(MacroAssembler* masm,
     70                               int pos,
     71                               bool right_here = false);
     72 
     73  private:
     74   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
     75 };
     76 
     77 
     78 class StringCharLoadGenerator : public AllStatic {
     79  public:
     80   // Generates the code for handling different string types and loading the
     81   // indexed character into |result|.  We expect |index| as untagged input and
     82   // |result| as untagged output.
     83   static void Generate(MacroAssembler* masm,
     84                        Register string,
     85                        Register index,
     86                        Register result,
     87                        Label* call_runtime);
     88 
     89  private:
     90   DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator);
     91 };
     92 
     93 } }  // namespace v8::internal
     94 
     95 #endif  // V8_MIPS_CODEGEN_MIPS_H_
     96