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33 // Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
35 // Permission is hereby granted, free of charge, to any person obtaining a copy
36 // of this software and associated documentation files (the "Software"), to deal
37 // in the Software without restriction, including without limitation the rights
38 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
39 // copies of the Software, and to permit persons to whom the Software is
40 // furnished to do so, subject to the following conditions:
42 // The above copyright notice and this permission notice shall be included in
43 // all copies or substantial portions of the Software.
45 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
46 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
47 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
48 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
49 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
50 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
54 #include "NameVisitor.h"
59 using namespace CPlusPlus;
61 ////////////////////////////////////////////////////////////////////////////////
62 Literal::Literal(const char *chars, unsigned size)
65 _chars = new char[size + 1];
67 std::strncpy(_chars, chars, size);
71 _hashCode = hashCode(_chars, _size);
77 bool Literal::equalTo(const Literal *other) const
81 else if (this == other)
83 else if (hashCode() != other->hashCode())
85 else if (size() != other->size())
87 return ! std::strcmp(chars(), other->chars());
90 Literal::iterator Literal::begin() const
93 Literal::iterator Literal::end() const
94 { return _chars + _size; }
96 const char *Literal::chars() const
99 char Literal::at(unsigned index) const
100 { return _chars[index]; }
102 unsigned Literal::size() const
105 unsigned Literal::hashCode() const
106 { return _hashCode; }
108 unsigned Literal::hashCode(const char *chars, unsigned size)
111 for (unsigned i = 0; i < size; ++i)
112 h = (h >> 5) - h + chars[i];
116 ////////////////////////////////////////////////////////////////////////////////
117 StringLiteral::StringLiteral(const char *chars, unsigned size)
118 : Literal(chars, size)
121 StringLiteral::~StringLiteral()
124 ////////////////////////////////////////////////////////////////////////////////
127 NumericLiteralIsFloat,
128 NumericLiteralIsDouble,
129 NumericLiteralIsLongDouble,
130 NumericLiteralIsLong,
131 NumericLiteralIsLongLong
134 NumericLiteral::NumericLiteral(const char *chars, unsigned size)
135 : Literal(chars, size), _flags(0)
137 f._type = NumericLiteralIsInt;
139 if (size > 1 && chars[0] == '0' && (chars[1] == 'x' || chars[1] == 'X')) {
142 const char *begin = chars;
143 const char *end = begin + size;
146 const char *it = end - 1;
148 for (; it != begin - 1 && ! done; --it) {
150 case 'l': case 'L': // long suffix
151 case 'u': case 'U': // unsigned suffix
152 case 'f': case 'F': // floating suffix
161 for (const char *dot = it; it != begin - 1; --it) {
163 f._type = NumericLiteralIsDouble;
166 for (++it; it != end; ++it) {
167 if (*it == 'l' || *it == 'L') {
168 if (f._type == NumericLiteralIsDouble) {
169 f._type = NumericLiteralIsLongDouble;
170 } else if (it + 1 != end && (it[1] == 'l' || it[1] == 'L')) {
172 f._type = NumericLiteralIsLongLong;
174 f._type = NumericLiteralIsLong;
176 } else if (*it == 'f' || *it == 'F') {
177 f._type = NumericLiteralIsFloat;
178 } else if (*it == 'u' || *it == 'U') {
179 f._isUnsigned = true;
185 NumericLiteral::~NumericLiteral()
188 bool NumericLiteral::isHex() const
191 bool NumericLiteral::isUnsigned() const
192 { return f._isUnsigned; }
194 bool NumericLiteral::isInt() const
195 { return f._type == NumericLiteralIsInt; }
197 bool NumericLiteral::isFloat() const
198 { return f._type == NumericLiteralIsFloat; }
200 bool NumericLiteral::isDouble() const
201 { return f._type == NumericLiteralIsDouble; }
203 bool NumericLiteral::isLongDouble() const
204 { return f._type == NumericLiteralIsLongDouble; }
206 bool NumericLiteral::isLong() const
207 { return f._type == NumericLiteralIsLong; }
209 bool NumericLiteral::isLongLong() const
210 { return f._type == NumericLiteralIsLongLong; }
212 ////////////////////////////////////////////////////////////////////////////////
213 Identifier::Identifier(const char *chars, unsigned size)
214 : Literal(chars, size)
217 Identifier::~Identifier()
220 void Identifier::accept0(NameVisitor *visitor) const
221 { visitor->visit(this); }
223 bool Identifier::isEqualTo(const Name *other) const
229 if (const Identifier *nameId = other->asNameId()) {
230 return equalTo(nameId);