clang_parseTranslationUnit2

\brief Parse the given source file and the translation unit corresponding to that file.

This routine is the main entry point for the Clang C API, providing the ability to parse a source file into a translation unit that can then be queried by other functions in the API. This routine accepts a set of command-line arguments so that the compilation can be configured in the same way that the compiler is configured on the command line.

\param CIdx The index object with which the translation unit will be associated.

\param source_filename The name of the source file to load, or NULL if the source file is included in \c command_line_args.

\param command_line_args The command-line arguments that would be passed to the \c clang executable if it were being invoked out-of-process. These command-line options will be parsed and will affect how the translation unit is parsed. Note that the following options are ignored: '-c', '-emit-ast', '-fsyntax-only' (which is the default), and '-o \<output file>'.

\param num_command_line_args The number of command-line arguments in \c command_line_args.

\param unsaved_files the files that have not yet been saved to disk but may be required for parsing, including the contents of those files. The contents and name of these files (as specified by CXUnsavedFile) are copied when necessary, so the client only needs to guarantee their validity until the call to this function returns.

\param num_unsaved_files the number of unsaved file entries in \p unsaved_files.

\param options A bitmask of options that affects how the translation unit is managed but not its compilation. This should be a bitwise OR of the CXTranslationUnit_XXX flags.

\paramout out_TU A non-NULL pointer to store the created \c CXTranslationUnit, describing the parsed code and containing any diagnostics produced by the compiler.

\returns Zero on success, otherwise returns an error code.

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