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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