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dep/reshadefx: Add manual include callbacks

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This commit is contained in:
Stenzek
2023-11-23 19:50:40 +10:00
parent 273979405d
commit 1a79a2f196
3 changed files with 71 additions and 37 deletions
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19
dep/reshadefx/include/effect_preprocessor.hpp
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@ -29,15 +29,26 @@ namespace reshadefx
bool is_function_like = false;
};
// Callbacks for manual file reading.
using include_file_exists_callback = bool(*)(const std::string &path);
using include_read_file_callback = bool(*)(const std::string &path, std::string &data);
static bool stdfs_read_file_callback(const std::string &path, std::string& data);
static bool stdfs_file_exists_callback(const std::string &path);
// Define constructor explicitly because lexer class is not included here
preprocessor();
~preprocessor();
/// <summary>
/// Sets callbacks to use for reading files. If this is not called, std::filesystem will be used.
/// </summary>
void set_include_callbacks(include_file_exists_callback file_exists, include_read_file_callback read_file);
/// <summary>
/// Adds an include directory to the list of search paths used when resolving #include directives.
/// </summary>
/// <param name="path">Path to the directory to add.</param>
void add_include_path(const std::filesystem::path &path);
void add_include_path(const std::string &path);
/// <summary>
/// Adds a new macro definition. This is equal to appending '#define name macro' to this preprocessor instance.
@ -62,14 +73,14 @@ namespace reshadefx
/// </summary>
/// <param name="path">Path to the file to parse.</param>
/// <returns><see langword="true"/> if parsing was successful, <see langword="false"/> otherwise.</returns>
bool append_file(const std::filesystem::path &path);
bool append_file(const std::string &path);
/// <summary>
/// Parses the specified string and appends it to the output.
/// </summary>
/// <param name="source_code">String to parse.</param>
/// <param name="path">Optional file path to identify this string with.</param>
/// <returns><see langword="true"/> if parsing was successful, <see langword="false"/> otherwise.</returns>
bool append_string(std::string source_code, const std::filesystem::path &path = std::filesystem::path());
bool append_string(std::string source_code, const std::string &path = std::string());
/// <summary>
/// Gets the list of error messages.
@ -144,6 +155,8 @@ namespace reshadefx
void create_macro_replacement_list(macro &macro);
bool _success = true;
include_file_exists_callback _file_exists_cb;
include_read_file_callback _read_file_cb;
std::string _output, _errors;
std::string _current_token_raw_data;