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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:32:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:32:39 +0000 |
commit | 56ae875861ab260b80a030f50c4aff9f9dc8fff0 (patch) | |
tree | 531412110fc901a5918c7f7442202804a83cada9 /lib/config/configcompiler.hpp | |
parent | Initial commit. (diff) | |
download | icinga2-56ae875861ab260b80a030f50c4aff9f9dc8fff0.tar.xz icinga2-56ae875861ab260b80a030f50c4aff9f9dc8fff0.zip |
Adding upstream version 2.14.2.upstream/2.14.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/config/configcompiler.hpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/lib/config/configcompiler.hpp b/lib/config/configcompiler.hpp new file mode 100644 index 0000000..fe00bed --- /dev/null +++ b/lib/config/configcompiler.hpp @@ -0,0 +1,161 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#ifndef CONFIGCOMPILER_H +#define CONFIGCOMPILER_H + +#include "config/i2-config.hpp" +#include "config/expression.hpp" +#include "base/debuginfo.hpp" +#include "base/registry.hpp" +#include "base/initialize.hpp" +#include "base/singleton.hpp" +#include "base/string.hpp" +#include <future> +#include <iostream> +#include <stack> + +typedef union YYSTYPE YYSTYPE; +typedef void *yyscan_t; + +namespace icinga +{ + +struct CompilerDebugInfo +{ + const char *Path; + + int FirstLine; + int FirstColumn; + + int LastLine; + int LastColumn; + + operator DebugInfo() const + { + DebugInfo di; + di.Path = Path; + di.FirstLine = FirstLine; + di.FirstColumn = FirstColumn; + di.LastLine = LastLine; + di.LastColumn = LastColumn; + return di; + } +}; + +struct EItemInfo +{ + bool SideEffect; + CompilerDebugInfo DebugInfo; +}; + +enum FlowControlType +{ + FlowControlReturn = 1, + FlowControlContinue = 2, + FlowControlBreak = 4 +}; + +struct ZoneFragment +{ + String Tag; + String Path; +}; + +/** + * The configuration compiler can be used to compile a configuration file + * into a number of configuration items. + * + * @ingroup config + */ +class ConfigCompiler +{ +public: + explicit ConfigCompiler(String path, std::istream *input, + String zone = String(), String package = String()); + virtual ~ConfigCompiler(); + + std::unique_ptr<Expression> Compile(); + + static std::unique_ptr<Expression>CompileStream(const String& path, std::istream *stream, + const String& zone = String(), const String& package = String()); + static std::unique_ptr<Expression>CompileFile(const String& path, const String& zone = String(), + const String& package = String()); + static std::unique_ptr<Expression>CompileText(const String& path, const String& text, + const String& zone = String(), const String& package = String()); + + static void AddIncludeSearchDir(const String& dir); + + const char *GetPath() const; + + void SetZone(const String& zone); + String GetZone() const; + + void SetPackage(const String& package); + String GetPackage() const; + + void AddImport(const Expression::Ptr& import); + std::vector<Expression::Ptr> GetImports() const; + + static void CollectIncludes(std::vector<std::unique_ptr<Expression> >& expressions, + const String& file, const String& zone, const String& package); + + static std::unique_ptr<Expression> HandleInclude(const String& relativeBase, const String& path, bool search, + const String& zone, const String& package, const DebugInfo& debuginfo = DebugInfo()); + static std::unique_ptr<Expression> HandleIncludeRecursive(const String& relativeBase, const String& path, + const String& pattern, const String& zone, const String& package, const DebugInfo& debuginfo = DebugInfo()); + static std::unique_ptr<Expression> HandleIncludeZones(const String& relativeBase, const String& tag, + const String& path, const String& pattern, const String& package, const DebugInfo& debuginfo = DebugInfo()); + + size_t ReadInput(char *buffer, size_t max_bytes); + void *GetScanner() const; + + static std::vector<ZoneFragment> GetZoneDirs(const String& zone); + static void RegisterZoneDir(const String& tag, const String& ppath, const String& zoneName); + + static bool HasZoneConfigAuthority(const String& zoneName); + +private: + std::promise<Expression::Ptr> m_Promise; + + String m_Path; + std::istream *m_Input; + String m_Zone; + String m_Package; + std::vector<Expression::Ptr> m_Imports; + + void *m_Scanner; + + static std::vector<String> m_IncludeSearchDirs; + static std::mutex m_ZoneDirsMutex; + static std::map<String, std::vector<ZoneFragment> > m_ZoneDirs; + + void InitializeScanner(); + void DestroyScanner(); + + static void HandleIncludeZone(const String& relativeBase, const String& tag, const String& path, const String& pattern, const String& package, std::vector<std::unique_ptr<Expression> >& expressions); + + static bool IsAbsolutePath(const String& path); + +public: + bool m_Eof; + int m_OpenBraces; + + String m_LexBuffer; + CompilerDebugInfo m_LocationBegin; + + std::stack<bool> m_IgnoreNewlines; + std::stack<bool> m_Apply; + std::stack<bool> m_ObjectAssign; + std::stack<bool> m_SeenAssign; + std::stack<bool> m_SeenIgnore; + std::stack<Expression *> m_Assign; + std::stack<Expression *> m_Ignore; + std::stack<String> m_FKVar; + std::stack<String> m_FVVar; + std::stack<Expression *> m_FTerm; + std::stack<int> m_FlowControlInfo; +}; + +} + +#endif /* CONFIGCOMPILER_H */ |