# | Line 41 | Line 41 | |
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41 | ||
42 | #ifndef SELECTION_SELECTIONCOMPILER_HPP | |
43 | #define SELECTION_SELECTIONCOMPILER_HPP | |
44 | < | |
44 | > | #include <iostream> |
45 | > | #include <string> |
46 | #include <vector> | |
47 | + | |
48 | + | #include "selection/Token.hpp" |
49 | + | #include "selection/TokenMap.hpp" |
50 | namespace oopse { | |
51 | ||
52 | ||
53 | /** | |
54 | * @class SelectionCompiler SelectionCompiler.hpp "selection/SelectionCompiler.hpp" | |
55 | * @brief compile a selection script to tokens | |
56 | + | * @todo document |
57 | * <pre> | |
58 | ||
59 | expression :: = clauseOr | |
# | Line 61 | Line 66 | namespace oopse { | |
66 | ||
67 | clausePrimitive ::= clauseComparator | | |
68 | clauseWithin | | |
69 | < | clauseResidueSpec | |
69 | > | clauseName | |
70 | none | all | | |
71 | ( clauseOr ) | |
72 | ||
# | Line 70 | Line 75 | namespace oopse { | |
75 | clauseWithin ::= WITHIN ( clauseDistance , expression ) | |
76 | ||
77 | clauseDistance ::= integer | decimal | |
78 | + | |
79 | + | clauseName::= *|string{.string{.string}} |
80 | ||
74 | – | |
81 | ||
82 | + | * </pre> |
83 | + | */ |
84 | + | class SelectionCompiler{ |
85 | + | public: |
86 | + | bool compile(const std::string& filename, const std::string& script ); |
87 | + | |
88 | ||
89 | < | clauseResidueSpec::= { clauseResNameSpec } |
90 | < | { clauseResNumSpec } |
91 | < | { chainSpec } |
80 | < | { clauseAtomSpec } |
81 | < | { modelSpec } |
89 | > | std::vector<int> getLineNumbers() { |
90 | > | return lineNumbers; |
91 | > | } |
92 | ||
93 | < | clauseResNameSpec::= * | [ resNamePattern ] | resNamePattern |
93 | > | std::vector<int> getLineIndices() { |
94 | > | return lineIndices; |
95 | > | } |
96 | ||
97 | < | // question marks are part of identifiers |
98 | < | // they get split up and dealt with as wildcards at runtime |
99 | < | // and the integers which are residue number chains get bundled |
88 | < | // in with the identifier and also split out at runtime |
89 | < | // iff a variable of that name does not exist |
97 | > | std::vector<std::vector<Token> > getAatokenCompiled() { |
98 | > | return aatokenCompiled; |
99 | > | } |
100 | ||
101 | < | resNamePattern ::= up to 3 alphanumeric chars with * and ? |
101 | > | std::string getErrorMessage() { |
102 | > | std::string strError = errorMessage; |
103 | > | strError += " : " + errorLine + "\n"; |
104 | ||
105 | < | clauseResNumSpec ::= * | clauseSequenceRange |
105 | > | if (!filename.empty()) { |
106 | > | strError += filename; |
107 | > | } |
108 | ||
109 | < | clauseSequenceRange ::= clauseSequenceCode { - clauseSequenceCode } |
109 | > | return strError; |
110 | > | } |
111 | ||
112 | < | clauseSequenceCode ::= seqcode | {-} integer |
112 | > | |
113 | > | private: |
114 | ||
115 | < | clauseChainSpec ::= {:} * | identifier | integer |
115 | > | bool internalCompile(); |
116 | ||
101 | – | clauseAtomSpec ::= . * | . identifier {*} // note that this * is *not* a wildcard |
117 | ||
118 | < | clauseModelSpec ::= {:|/} * | integer |
119 | < | |
120 | < | * </pre> |
121 | < | */ |
122 | < | class SelectionCompiler{ |
123 | < | public: |
124 | < | bool compile(); |
118 | > | bool lookingAtLeadingWhitespace(); |
119 | > | //bool lookingAtComment(); |
120 | > | bool lookingAtEndOfLine(); |
121 | > | bool lookingAtEndOfStatement(); |
122 | > | bool lookingAtString(); |
123 | > | bool lookingAtDecimal(bool allowNegative); |
124 | > | bool lookingAtInteger(bool allowNegative); |
125 | > | bool lookingAtLookupToken(); |
126 | > | bool lookingAtSpecialString(); |
127 | ||
128 | < | std::vector<Token> getCompiledTokens(); |
129 | < | private: |
128 | > | std::string getUnescapedStringLiteral(); |
129 | > | int getHexitValue(char ch); |
130 | ||
131 | + | bool compileCommand(const std::vector<Token>& ltoken); |
132 | + | bool compileExpression(); |
133 | + | bool compileExpression(int itoken); |
134 | + | |
135 | bool clauseOr(); | |
136 | bool clauseAnd(); | |
137 | bool clauseNot(); | |
138 | bool clausePrimitive(); | |
139 | bool clauseWithin(); | |
140 | bool clauseComparator(); | |
141 | + | bool clauseChemObjName(); |
142 | + | bool clauseIndex(); |
143 | + | Token tokenNext(); |
144 | + | boost::any valuePeek(); |
145 | + | int tokPeek(); |
146 | + | |
147 | + | bool addTokenToPostfix(const Token& token); |
148 | + | bool isNameValid(const std::string& name); |
149 | + | |
150 | + | bool compileError(const std::string& errorMessage) { |
151 | + | std::cerr << "SelectionCompiler Error: " << errorMessage << std::endl; |
152 | + | error = true; |
153 | + | this->errorMessage = errorMessage; |
154 | + | return false; |
155 | + | } |
156 | ||
157 | < | internalCompile(); |
157 | > | bool commandExpected() { |
158 | > | return compileError("command expected"); |
159 | > | } |
160 | ||
161 | < | std::vector<Token> compiledTokens_; |
161 | > | bool invalidExpressionToken(const std::string& ident) { |
162 | > | return compileError("invalid expression token:" + ident); |
163 | > | } |
164 | > | |
165 | > | bool unrecognizedToken() { |
166 | > | return compileError("unrecognized token"); |
167 | > | } |
168 | > | |
169 | > | bool badArgumentCount() { |
170 | > | return compileError("bad argument count"); |
171 | > | } |
172 | > | |
173 | > | bool endOfExpressionExpected() { |
174 | > | return compileError("end of expression expected"); |
175 | > | } |
176 | > | |
177 | > | bool leftParenthesisExpected() { |
178 | > | return compileError("left parenthesis expected"); |
179 | > | } |
180 | > | |
181 | > | bool rightParenthesisExpected() { |
182 | > | return compileError("right parenthesis expected"); |
183 | > | } |
184 | > | |
185 | > | bool commaExpected() { |
186 | > | return compileError("comma expected"); |
187 | > | } |
188 | > | |
189 | > | bool unrecognizedExpressionToken() { |
190 | > | boost::any tmp = valuePeek(); |
191 | > | std::string tokenStr; |
192 | > | |
193 | > | try { |
194 | > | tokenStr = boost::any_cast<std::string>(tmp); |
195 | > | } catch(const boost::bad_any_cast &) { |
196 | > | return compileError("any_cast error"); |
197 | > | } |
198 | > | |
199 | > | return compileError("unrecognized expression token:" + tokenStr); |
200 | > | } |
201 | > | |
202 | > | bool comparisonOperatorExpected() { |
203 | > | return compileError("comparison operator expected"); |
204 | > | } |
205 | > | |
206 | > | bool numberExpected() { |
207 | > | return compileError("number expected"); |
208 | > | } |
209 | > | |
210 | > | bool numberOrKeywordExpected() { |
211 | > | return compileError("number or keyword expected"); |
212 | > | } |
213 | > | |
214 | > | std::string filename; |
215 | > | std::string script; |
216 | > | |
217 | > | std::vector<int> lineNumbers; |
218 | > | std::vector<int> lineIndices; |
219 | > | std::vector<std::vector<Token> >aatokenCompiled; |
220 | > | |
221 | > | bool error; |
222 | > | std::string errorMessage; |
223 | > | std::string errorLine; |
224 | > | |
225 | > | int cchScript; |
226 | > | short lineCurrent; |
227 | > | |
228 | > | int ichToken; |
229 | > | int cchToken; |
230 | > | std::vector<Token> atokenCommand; |
231 | > | |
232 | > | int ichCurrentCommand; |
233 | > | |
234 | > | std::vector<Token> ltokenPostfix; |
235 | > | std::vector<Token> atokenInfix; |
236 | > | int itokenInfix; |
237 | > | |
238 | > | //std::vector<Token> compiledTokens_; |
239 | }; | |
240 | ||
241 | } | |
242 | #endif | |
243 | + |
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