Token: do not return non-`const` pointer from `const` methods - part 1#4761

Merged

danmar merged 8 commits intocppcheck-opensource:mainfrom

firewave:token-safe

Feb 8, 2023

Commits on Feb 8, 2023

Token: do not return non-`const` pointer from `nextTemplateArgument()`
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Token: do not return non-`const` pointer from `nextArgumentBeforeCreateLinks2()`
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Token: do not return non-`const` pointer from `nextArgument()` and added actual non-`const` implementation
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preparations for making `Token::previous()` return a non-`const` pointer
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preparations for making `Token::link()` return a non-`const` pointer
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preparations for making `Token::next()` return a non-`const` pointer
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templatesimplifier.cpp: restored `const`
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templatesimplifier.cpp: removed unnecessary `const_cast`
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