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Update readme, fix an issue with stb_image.refactor script (needed newline at eof), some script changes.
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Readme.md
58
Readme.md
@ -2,18 +2,18 @@
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Refactor c/c++ files (and problably others) with ease.
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## Parameters :
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## Parameters
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* `-num` : Used if more than one source file is provided (if used, number of destination files provided MUST MATCH).
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* `-src` : Source file to refactor
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* `-dst` : Destination file after the refactor (omit to use the same as source)
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* `-spec` : Specification containing rules to use for the refactor.
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* `-debug` : Use only if on debug build and desire to attach to process.
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* `-debug` : Use if on debug build and desire to attach to process, or to get a more verbose log.
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## Syntax :
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## Syntax
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* `not` Omit word or namespace.
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* `include` Preprocessor include <file> related identifiers.
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* `include` Preprocessor include `<file path>` related identifiers.
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* `word` Fixed sized identifier.
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* `namespace` Variable sized identifiers, mainly intended to redefine c-namespace of an identifier.
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* `,` is used to delimit arguments (if doing a find and replace).
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@ -30,20 +30,60 @@ The main benefit for using this over alts is its problably more ergonomic and pe
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There are other programs more robust for doing that sort of thing but I was not able to find something this simple.
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### Note
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### Example script
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See `scripts/template_reafactor.ps1` and the `test/*.refactor` related scripts in on intended usage.
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This is not setup to really be ergonomically used directly from a virtual terminal, instead run from a script after globbing the files you want.
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There is a desire also to get this setup as a single-header library and also alternative with a minimalist GUI for simple refactors.
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### Notes
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* Building for debug provides some nice output with context on a per-line basis.
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* Release will only show errors for asserts (that will kill the refactor early).
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* If the refactor crashes, the files previously written to will retain their changes.
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Make sure to have the code backed up on a VCS or in some other way.
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* This was compiled using meson with ninja and clang on windows 11. The ZPL library used however should work fine on the other major os platforms and compiler venders.
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* Make sure to have the code backed up on a VCS or in some other way.
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* The scripts used for building and otherwise are in the scripts directory and are all in powershell (with exception to the meson.build). Techncially there should be a powershell package available on other platorms but worst case it should be pretty easy to port these scripts to w/e shell script you'd perfer.
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TODO:
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## Building
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The project has all build configuration in the `scripts` directory.
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* `build.ci.ps1` is intended for a continuous intergration setup (GH-worfklow for now).
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* `build.ps1` is just a wrap of build.ci that just calls cls.
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* `clean.ps1` will clean the workspace of all generated files.
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* `get_sources.ps1` is used to glob sources since meson devs refuse to add dynamic retrival of sources for a build.
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The project uses [meson](https://github.com/mesonbuild/meson) as the build tool.
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Compiler : clang
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OS: Windows 11 (windows-latest for github actions)
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There should theoretically not be anything stopping it from building on other plaforms.
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The library's main dependency is [zpl](https://github.com/zpl-c) which seems to support all major platforms.
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## Testing
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If the `test` parameter is provided to the build scripts, the project and thirdparty code will be refactored based on the specificiation files `*.refactor` residing in `test`.
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With the refactors applied a meson configuraiton is setup (`meson.build` in test) and run to build. So long as it compiles, the feature set of the current version should work fine.
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* There is an extra file `stb_image` that is currently be parsed but its unused.
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* Planned for use in the namespace addition todo.
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## TODO:
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* Possibly come up with a better name.
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* Test to see how much needs to be ported for other platforms (if at all)
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* Provide binaries in the release page for github. (debug and release builds)
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* Directive to ignore comments (with a way to specify the comment signature). Right now comments that meet the signature of words or namespaces are refactored.
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* Ability to run and not emit any changes to files unless all files sucesffully are refactored.
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* Would fix issue where a refactor overwrites files but failed to complete
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* Can have a heavy memory cost, so most likely do not want on by default.
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* Directive to ignore comments (with a way to specify the comment signature). Right now comments that
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meet the signature of words or namespaces are refactored.
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* Make comments ignored by default, and just have ability to specify custom comments.
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* Would need a directive to add refactors to comments.
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* Directive to add cpp namespaces on specific lines of a file, or near specific signatures.
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* This can honestly be done also with placing words on specific lines..
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* Provide a GUI build.
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* Provide as a single-header library.
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@ -30,11 +30,11 @@ The program execution is pretty much outlined quite clearly in `int main()`.
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There are constraints for specific variables;
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* `Path_Size_Largest` : Longest path size is set to 1 KB of characters.
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* `Token_Max_Length` : Set to 1 KB characters as well.
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* `Token_Max_Length` : Set to 128 KB.
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* `Array_Reserve_Num` : Is set to 4 KB.
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* Initial Global arena size : Set to 2 megabytes.
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The `Path_Size_Largest` and `Token_Max_Length` are compile-time constraints that the runtime will not have a fallback for, if 1 KB is not enough it will need to be changed for your use case.
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The `Path_Size_Largest` and `Token_Max_Length` are compile-time constraints that the runtime will not have a fallback for, if current size is not enough it will need to be changed for your use case.
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`Array_Reserve_Num` is used to dictate the assumed amount of tokens will be held in total for any of spec's arrays holding ignores and refactor entries. If any of the array's exceed 4 KB they will grow triggering a resize which will bog down the speed of the refactor. Adjust if you think you can increase or lower for use case.
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@ -7,7 +7,7 @@
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namespace Spec
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{
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ct uw Array_Reserve_Num = zpl_kilobytes(4);
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ct uw Token_Max_Length = zpl_kilobytes(1);
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ct uw Token_Max_Length = 128;
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namespace StaticData
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{
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@ -162,6 +162,11 @@ void parse_options( int num, char** arguments )
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}
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/*
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Refactor will problably have the execution and arg parsing (main and opts)
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moved to a separate file.
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*/
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zpl_arena Refactor_Buffer;
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void refactor()
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@ -211,21 +216,32 @@ void refactor()
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#define pos (IO::Current_Size - left)
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#define move_forward( Amount_ ) \
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if ( left - Amount_ <= 0 ) \
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goto End_Search; \
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\
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left -= Amount_; \
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col += Amount_; \
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src += Amount_ \
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struct Snapshot
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{
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char const* Src;
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sw Left;
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uw Col;
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uw Line;
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};
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#define move_back( Amount_ ) \
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left += Amount_; \
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col -= Amount_; \
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src -= Amount_ \
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#define move_forward( Amount_ ) \
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if ( left - Amount_ <= 0 ) \
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goto End_Search; \
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\
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line += src[0] == '\n'; \
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left -= Amount_; \
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col = (col + Amount_) * src[0] != '\n'; \
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src += Amount_ \
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#define restore( Snapshot_ ) \
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src = Snapshot_.Src; \
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left = Snapshot_.Left; \
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col = Snapshot_.Col; \
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line = Snapshot_.Line \
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do
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{
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// Check for comments if ignoring.
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if ( Spec::Ignore_Comments && src[0] == '/' && left - 2 > 0 )
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{
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if ( src[1] == '/' )
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@ -259,37 +275,33 @@ void refactor()
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{
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Spec::Entry* ignore = Spec::Ignore_Includes;
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sw ignores_left = zpl_array_count( Spec::Ignore_Includes);
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sw rewind = 0;
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Snapshot backup = { src, left, col, line };
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if ( '#' != src[0] )
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break;
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move_forward( 1 );
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rewind++;
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// Ignore whitespace
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while ( zpl_char_is_space( src[0] ) )
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{
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move_forward( 1 );
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rewind++;
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}
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if ( zpl_strncmp( include_sig, src, sizeof(include_sig) - 1 ) != 0 )
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{
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move_back( rewind );
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restore( backup );
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break;
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}
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const u32 sig_size = sizeof(include_sig) - 1;
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move_forward( sig_size );
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rewind += sig_size;
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// Ignore whitespace
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while ( zpl_char_is_space( src[0] ) || src[0] == '\"' || src[0] == '<' )
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{
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move_forward(1);
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rewind++;
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}
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for ( ; ignores_left; ignores_left--, ignore++ )
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@ -318,7 +330,7 @@ void refactor()
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}
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}
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move_back( rewind );
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restore( backup );
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}
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while (false);
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@ -402,37 +414,33 @@ void refactor()
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{
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Spec::Entry* include = Spec::Includes;
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sw includes_left = zpl_array_count ( Spec::Includes);
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sw rewind = 0;
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Snapshot backup = { src, left, col, line };
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if ( '#' != src[0] )
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break;
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move_forward( 1 );
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rewind++;
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// Ignore whitespace
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while ( zpl_char_is_space( src[0] ) )
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{
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move_forward( 1 );
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rewind++;
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}
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if ( zpl_strncmp( include_sig, src, sizeof(include_sig) - 1 ) != 0 )
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{
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move_back( rewind );
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restore( backup );
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break;
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}
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const u32 sig_size = sizeof(include_sig) - 1;
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move_forward( sig_size );
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rewind += sig_size;
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// Ignore whitespace
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while ( zpl_char_is_space( src[0] ) || src[0] == '\"' || src[0] == '<' )
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{
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move_forward( 1 );
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rewind++;
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}
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for ( ; includes_left; includes_left--, include++ )
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@ -473,7 +481,7 @@ void refactor()
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}
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}
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move_back( rewind );
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restore( backup );
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}
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while (false);
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@ -31,7 +31,7 @@ if ( -not( Test-Path $path_build ) )
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# Start-Process meson $args_meson -NoNewWindow -Wait -WorkingDirectory $path_scripts
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Push-Location $path_scripts
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& meson $args_meson
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Invoke-Expression "& meson $args_meson"
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Pop-Location
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}
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@ -44,7 +44,7 @@ if ( $type )
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# Start-Process meson $args_meson -NoNewWindow -Wait -WorkingDirectory $path_scripts
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Push-Location $path_scripts
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meson $args_meson
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Invoke-Expression "& meson $args_meson"
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Pop-Location
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}
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@ -8,7 +8,6 @@ $path_project = Join-Path $path_root project
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$path_test = Join-Path $path_root test
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$path_thirdparty = Join-Path $path_root thirdparty
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$file_spec = Join-Path $path_test zpl.refactor
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$refactor = Join-Path $path_build refactor.exe
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# Gather the files to be formatted.
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@ -27,12 +26,7 @@ foreach ( $file in $targetFiles )
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write-host "Beginning thirdpary refactor..."
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$refactors = @(@())
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if ( $args.Contains( "debug" ) )
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{
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$refactorParams += "-debug"
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}
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$file_spec = Join-Path $path_test zpl.refactor
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$refactorParams = @(
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"-src=$(Join-Path $path_thirdparty "zpl.h")",
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@ -40,22 +34,28 @@ $refactorParams = @(
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"-spec=$($file_spec)"
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)
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& $refactor $refactorParams
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$refactors = @(@())
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$file_spec = Join-Path $path_test "stb_image.refactor"
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if ( $args.Contains( "debug" ) )
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{
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$refactorParams += "-debug"
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}
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write-host "`zpl refactor: " $refactorParams
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& $refactor $refactorParams
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$file_spec = Join-Path $path_test "stb_image.refactor"
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$refactorParams = @(
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"-src=$(Join-Path $path_thirdparty "stb_image.h")",
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"-dst=$(Join-Path $path_test "stb_image.refactored.h")",
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"-spec=$($file_spec)"
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)
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if ( $args.Contains( "debug" ) )
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{
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$refactorParams += "-debug"
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}
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write-host "`n`nstb_image refactor: " $refactorParams
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& $refactor $refactorParams
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Write-Host "`nRefactoring complete`n"
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