1
  
2
  
3
  
4
  
5
  
6
  
7
  
8
  
9
  
10
  
11
  
12
  
13
  
14
  
15
  
16
  
17
  
18
  
19
  
20
  
21
  
22
  
23
  
24
  
25
  
26
  
27
  
28
  
29
  
30
  
31
  
32
  
33
  
34
  
35
  
36
  
37
  
38
  
39
  
40
  
41
  
42
  
43
  
44
  
45
  
46
  
47
  
48
  
49
  
50
  
51
  
52
  
53
  
54
  
55
  
56
  
57
  
58
  
59
  
60
  
61
  
62
  
63
  
64
  
65
  
66
  
67
  
68
  
69
  
70
  
71
  
72
  
73
  
74
  
75
  
76
  
77
  
78
  
79
  
80
  
81
  
82
  
83
  
84
  
85
  
86
  
87
  
88
  
89
  
90
  
91
  
92
  
93
  
94
  
95
  
96
  
97
  
98
  
99
  
100
  
101
  
102
  
103
  
104
  
105
  
106
  
107
  
108
  
109
  
110
  
111
  
112
  
113
  
114
  
115
  
116
  
117
  
118
  
119
  
120
  
121
  
122
  
123
  
124
  
125
  
126
  
127
  
128
  
129
  
130
  
131
  
132
  
133
  
134
  
135
  
136
  
137
  
138
  
139
  
140
  
141
  
142
  
143
  
144
  
145
  
146
  
147
  
148
  
149
  
150
  
151
  
152
  
153
  
154
  
155
  
156
  
157
  
158
  
159
  
160
  
161
  
162
  
163
  
164
  
165
  
166
  
167
  
168
  
169
  
170
  
171
  
172
  
173
  
174
  
175
  
176
  
177
  
178
  
179
  
180
  
181
  
182
  
183
  
184
  
185
  
186
  
187
  
188
  
189
  
190
  
191
  
192
  
193
  
194
  
195
  
196
  
197
  
198
  
199
  
200
  
201
  
202
  
203
  
204
  
205
  
206
  
207
  
208
  
209
  
210
  
211
  
212
  
213
  
214
  
215
  
216
  
#ifndef SASS_ERROR_HANDLING_H 
#define SASS_ERROR_HANDLING_H 
 
#include <string> 
#include <sstream> 
#include <stdexcept> 
#include "position.hpp" 
#include "ast_fwd_decl.hpp" 
#include "sass/functions.h" 
 
namespace Sass { 
 
  struct Backtrace; 
 
  namespace Exception { 
 
    const std::string def_msg = "Invalid sass detected"; 
    const std::string def_op_msg = "Undefined operation"; 
    const std::string def_op_null_msg = "Invalid null operation"; 
    const std::string def_nesting_limit = "Code too deeply neested"; 
 
    class Base : public std::runtime_error { 
      protected: 
        std::string msg; 
        std::string prefix; 
      public: 
        ParserState pstate; 
        std::vector<Sass_Import_Entry>* import_stack; 
      public: 
        Base(ParserState pstate, std::string msg = def_msg, std::vector<Sass_Import_Entry>* import_stack = 0); 
        virtual const char* errtype() const { return prefix.c_str(); } 
        virtual const char* what() const throw() { return msg.c_str(); } 
        virtual ~Base() throw() {}; 
    }; 
 
    class InvalidSass : public Base { 
      public: 
        InvalidSass(ParserState pstate, std::string msg); 
        virtual ~InvalidSass() throw() {}; 
    }; 
 
    class InvalidParent : public Base { 
      protected: 
        Selector_Ptr parent; 
        Selector_Ptr selector; 
      public: 
        InvalidParent(Selector_Ptr parent, Selector_Ptr selector); 
        virtual ~InvalidParent() throw() {}; 
    }; 
 
    class MissingArgument : public Base { 
      protected: 
        std::string fn; 
        std::string arg; 
        std::string fntype; 
      public: 
        MissingArgument(ParserState pstate, std::string fn, std::string arg, std::string fntype); 
        virtual ~MissingArgument() throw() {}; 
    }; 
 
    class InvalidArgumentType : public Base { 
      protected: 
        std::string fn; 
        std::string arg; 
        std::string type; 
        const Value_Ptr value; 
      public: 
        InvalidArgumentType(ParserState pstate, std::string fn, std::string arg, std::string type, const Value_Ptr value = 0); 
        virtual ~InvalidArgumentType() throw() {}; 
    }; 
 
    class InvalidVarKwdType : public Base { 
      protected: 
        std::string name; 
        const Argument_Ptr arg; 
      public: 
        InvalidVarKwdType(ParserState pstate, std::string name, const Argument_Ptr arg = 0); 
        virtual ~InvalidVarKwdType() throw() {}; 
    }; 
 
    class InvalidSyntax : public Base { 
      public: 
        InvalidSyntax(ParserState pstate, std::string msg, std::vector<Sass_Import_Entry>* import_stack = 0); 
        virtual ~InvalidSyntax() throw() {}; 
    }; 
 
    class NestingLimitError : public Base { 
      public: 
        NestingLimitError(ParserState pstate, std::string msg = def_nesting_limit, std::vector<Sass_Import_Entry>* import_stack = 0); 
        virtual ~NestingLimitError() throw() {}; 
    }; 
 
    /* common virtual base class (has no pstate) */ 
    class OperationError : public std::runtime_error { 
      protected: 
        std::string msg; 
      public: 
        OperationError(std::string msg = def_op_msg) 
        : std::runtime_error(msg), msg(msg) 
        {}; 
      public: 
        virtual const char* errtype() const { return "Error"; } 
        virtual const char* what() const throw() { return msg.c_str(); } 
        virtual ~OperationError() throw() {}; 
    }; 
 
    class ZeroDivisionError : public OperationError { 
      protected: 
        const Expression& lhs; 
        const Expression& rhs; 
      public: 
        ZeroDivisionError(const Expression& lhs, const Expression& rhs); 
        virtual const char* errtype() const { return "ZeroDivisionError"; } 
        virtual ~ZeroDivisionError() throw() {}; 
    }; 
 
    class DuplicateKeyError : public Base { 
      protected: 
        const Map& dup; 
        const Expression& org; 
      public: 
        DuplicateKeyError(const Map& dup, const Expression& org); 
        virtual const char* errtype() const { return "Error"; } 
        virtual ~DuplicateKeyError() throw() {}; 
    }; 
 
    class TypeMismatch : public Base { 
      protected: 
        const Expression& var; 
        const std::string type; 
      public: 
        TypeMismatch(const Expression& var, const std::string type); 
        virtual const char* errtype() const { return "Error"; } 
        virtual ~TypeMismatch() throw() {}; 
    }; 
 
    class InvalidValue : public Base { 
      protected: 
        const Expression& val; 
      public: 
        InvalidValue(const Expression& val); 
        virtual const char* errtype() const { return "Error"; } 
        virtual ~InvalidValue() throw() {}; 
    }; 
 
    class StackError : public Base { 
      protected: 
        const AST_Node& node; 
      public: 
        StackError(const AST_Node& node); 
        virtual const char* errtype() const { return "SystemStackError"; } 
        virtual ~StackError() throw() {}; 
    }; 
 
    class IncompatibleUnits : public OperationError { 
      protected: 
        // const Sass::UnitType lhs; 
        // const Sass::UnitType rhs; 
      public: 
        IncompatibleUnits(const Units& lhs, const Units& rhs); 
        IncompatibleUnits(const UnitType lhs, const UnitType rhs); 
        virtual ~IncompatibleUnits() throw() {}; 
    }; 
 
    class UndefinedOperation : public OperationError { 
      protected: 
        Expression_Ptr_Const lhs; 
        Expression_Ptr_Const rhs; 
        const std::string op; 
      public: 
        UndefinedOperation(Expression_Ptr_Const lhs, Expression_Ptr_Const rhs, const std::string& op); 
        // virtual const char* errtype() const { return "Error"; } 
        virtual ~UndefinedOperation() throw() {}; 
    }; 
 
    class InvalidNullOperation : public UndefinedOperation { 
      public: 
        InvalidNullOperation(Expression_Ptr_Const lhs, Expression_Ptr_Const rhs, const std::string& op); 
        virtual ~InvalidNullOperation() throw() {}; 
    }; 
 
    class AlphaChannelsNotEqual : public OperationError { 
      protected: 
        Expression_Ptr_Const lhs; 
        Expression_Ptr_Const rhs; 
        const std::string op; 
      public: 
        AlphaChannelsNotEqual(Expression_Ptr_Const lhs, Expression_Ptr_Const rhs, const std::string& op); 
        // virtual const char* errtype() const { return "Error"; } 
        virtual ~AlphaChannelsNotEqual() throw() {}; 
    }; 
 
    class SassValueError : public Base { 
      public: 
        SassValueError(ParserState pstate, OperationError& err); 
        virtual ~SassValueError() throw() {}; 
    }; 
 
  } 
 
  void warn(std::string msg, ParserState pstate); 
  void warn(std::string msg, ParserState pstate, Backtrace* bt); 
  void warning(std::string msg, ParserState pstate); 
 
  void deprecated_function(std::string msg, ParserState pstate); 
  void deprecated(std::string msg, std::string msg2, ParserState pstate); 
  void deprecated_bind(std::string msg, ParserState pstate); 
  // void deprecated(std::string msg, ParserState pstate, Backtrace* bt); 
 
  void error(std::string msg, ParserState pstate); 
  void error(std::string msg, ParserState pstate, Backtrace* bt); 
 
} 
 
#endif