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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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37 // Forward declarations | 37 // Forward declarations |
38 class CompilationInfo; | 38 class CompilationInfo; |
39 | 39 |
40 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF }; | 40 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF }; |
41 | 41 |
42 // ------------------------------------------------------------------------- | 42 // ------------------------------------------------------------------------- |
43 // CodeGenerator | 43 // CodeGenerator |
44 | 44 |
45 class CodeGenerator: public AstVisitor { | 45 class CodeGenerator: public AstVisitor { |
46 public: | 46 public: |
47 CodeGenerator() { | |
48 InitializeAstVisitor(); | |
49 } | |
50 | |
51 static bool MakeCode(CompilationInfo* info); | 47 static bool MakeCode(CompilationInfo* info); |
52 | 48 |
53 // Printing of AST, etc. as requested by flags. | 49 // Printing of AST, etc. as requested by flags. |
54 static void MakeCodePrologue(CompilationInfo* info); | 50 static void MakeCodePrologue(CompilationInfo* info); |
55 | 51 |
56 // Allocate and install the code. | 52 // Allocate and install the code. |
57 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, | 53 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, |
58 Code::Flags flags, | 54 Code::Flags flags, |
59 CompilationInfo* info); | 55 CompilationInfo* info); |
60 | 56 |
61 // Print the code after compiling it. | 57 // Print the code after compiling it. |
62 static void PrintCode(Handle<Code> code, CompilationInfo* info); | 58 static void PrintCode(Handle<Code> code, CompilationInfo* info); |
63 | 59 |
64 static bool ShouldGenerateLog(Expression* type); | 60 static bool ShouldGenerateLog(Expression* type); |
65 | 61 |
66 static void SetFunctionInfo(Handle<JSFunction> fun, | 62 static void SetFunctionInfo(Handle<JSFunction> fun, |
67 FunctionLiteral* lit, | 63 FunctionLiteral* lit, |
68 bool is_toplevel, | 64 bool is_toplevel, |
69 Handle<Script> script); | 65 Handle<Script> script); |
70 | 66 |
71 static bool RecordPositions(MacroAssembler* masm, | 67 static bool RecordPositions(MacroAssembler* masm, |
72 int pos, | 68 int pos, |
73 bool right_here = false); | 69 bool right_here = false); |
74 | 70 |
75 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | |
76 | |
77 private: | 71 private: |
78 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); | 72 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); |
79 }; | 73 }; |
80 | 74 |
81 | 75 |
82 class StringCharLoadGenerator : public AllStatic { | 76 class StringCharLoadGenerator : public AllStatic { |
83 public: | 77 public: |
84 // Generates the code for handling different string types and loading the | 78 // Generates the code for handling different string types and loading the |
85 // indexed character into |result|. We expect |index| as untagged input and | 79 // indexed character into |result|. We expect |index| as untagged input and |
86 // |result| as untagged output. | 80 // |result| as untagged output. |
87 static void Generate(MacroAssembler* masm, | 81 static void Generate(MacroAssembler* masm, |
88 Register string, | 82 Register string, |
89 Register index, | 83 Register index, |
90 Register result, | 84 Register result, |
91 Label* call_runtime); | 85 Label* call_runtime); |
92 | 86 |
93 private: | 87 private: |
94 DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator); | 88 DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator); |
95 }; | 89 }; |
96 | 90 |
97 | 91 |
98 class MathExpGenerator : public AllStatic { | 92 class MathExpGenerator : public AllStatic { |
99 public: | 93 public: |
100 static void EmitMathExp(MacroAssembler* masm, | 94 static void EmitMathExp(MacroAssembler* masm, |
101 DwVfpRegister input, | 95 DoubleRegister input, |
102 DwVfpRegister result, | 96 DoubleRegister result, |
103 DwVfpRegister double_scratch1, | 97 DoubleRegister double_scratch1, |
104 DwVfpRegister double_scratch2, | 98 DoubleRegister double_scratch2, |
105 Register temp1, | 99 Register temp1, |
106 Register temp2, | 100 Register temp2, |
107 Register temp3); | 101 Register temp3); |
108 | 102 |
109 private: | 103 private: |
110 DISALLOW_COPY_AND_ASSIGN(MathExpGenerator); | 104 DISALLOW_COPY_AND_ASSIGN(MathExpGenerator); |
111 }; | 105 }; |
112 | 106 |
113 } } // namespace v8::internal | 107 } } // namespace v8::internal |
114 | 108 |
115 #endif // V8_ARM_CODEGEN_ARM_H_ | 109 #endif // V8_ARM_CODEGEN_ARM_H_ |
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