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1 // Copyright (C) 2012 Jeffrey B. Arnold | 1 // Copyright (C) 2012 Jeffrey B. Arnold |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
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48 // builtin symbols | 48 // builtin symbols |
49 [PR['PR_LITERAL'], /^(?:NULL|NA(?:_(?:integer|real|complex|character
)_)?|Inf|TRUE|FALSE|NaN|\.\.(?:\.|[0-9]+))(?![A-Za-z0-9_.])/], | 49 [PR['PR_LITERAL'], /^(?:NULL|NA(?:_(?:integer|real|complex|character
)_)?|Inf|TRUE|FALSE|NaN|\.\.(?:\.|[0-9]+))(?![A-Za-z0-9_.])/], |
50 // assignment, operators, and parens, etc. | 50 // assignment, operators, and parens, etc. |
51 [PR['PR_PUNCTUATION'], /^(?:<<?-|->>?|-|==|<=|>=|<|>|&&?|!=|\|\|?|\*
|\+|\^|\/|!|%.*?%|=|~|\$|@|:{1,3}|[\[\](){};,?])/], | 51 [PR['PR_PUNCTUATION'], /^(?:<<?-|->>?|-|==|<=|>=|<|>|&&?|!=|\|\|?|\*
|\+|\^|\/|!|%.*?%|=|~|\$|@|:{1,3}|[\[\](){};,?])/], |
52 // valid variable names | 52 // valid variable names |
53 [PR['PR_PLAIN'], /^(?:[A-Za-z]+[A-Za-z0-9_.]*|\.[a-zA-Z_][0-9a-zA-Z\
._]*)(?![A-Za-z0-9_.])/], | 53 [PR['PR_PLAIN'], /^(?:[A-Za-z]+[A-Za-z0-9_.]*|\.[a-zA-Z_][0-9a-zA-Z\
._]*)(?![A-Za-z0-9_.])/], |
54 // string backtick | 54 // string backtick |
55 [PR['PR_STRING'], /^`.+`/] | 55 [PR['PR_STRING'], /^`.+`/] |
56 ]), | 56 ]), |
57 ['r', 's', 'R', 'S', 'Splus']); | 57 ['r', 's', 'R', 'S', 'Splus']); |
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