Added support for the Meson Build System

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required (VERSION 2.8.8)
 
 project(juci)
-set(JUCI_VERSION "1.2.2")
+set(JUCI_VERSION "1.2.2.1")
 
 set(CPACK_PACKAGE_NAME "jucipp")
 set(CPACK_PACKAGE_CONTACT "Ole Christian Eidheim <eidheim@gmail.com>")

README.md

@@ -14,7 +14,9 @@ towards libclang with speed, stability, and ease of use in mind.
 * C++ warnings and errors on the fly
 * C++ Fix-its
 * Debug integration, both local and remote, through lldb
-* Automated CMake processing, including support for external libraries
+* Supports the following build systems:
+  * CMake
+  * Meson
 * Git support through libgit2
 * Fast C++ autocompletion
 * Keyword and buffer autocompletion for other file types

src/CMakeLists.txt

@@ -22,10 +22,12 @@ set(project_files
 #Files used both in ../src and ../tests
 set(project_shared_files
     cmake.cc
+    compile_commands.cc
     ctags.cc
     dispatcher.cc
     filesystem.cc
     git.cc
+    meson.cc
     project_build.cc
     source.cc
     source_clang.cc

src/cmake.cc

@@ -55,7 +55,7 @@ bool CMake::update_default_build(const boost::filesystem::path &default_build_pa
   
   auto compile_commands_path=default_build_path/"compile_commands.json";
   Dialog::Message message("Creating/updating default build");
-  auto exit_status=Terminal::get().process(Config::get().project.cmake_command+" "+
+  auto exit_status=Terminal::get().process(Config::get().project.cmake.command+' '+
                                            filesystem::escape_argument(project_path)+" -DCMAKE_EXPORT_COMPILE_COMMANDS=ON", default_build_path);
   message.hide();
   if(exit_status==EXIT_SUCCESS) {
@@ -102,7 +102,7 @@ bool CMake::update_debug_build(const boost::filesystem::path &debug_build_path,
     return true;
   
   Dialog::Message message("Creating/updating debug build");
-  auto exit_status=Terminal::get().process(Config::get().project.cmake_command+" "+
+  auto exit_status=Terminal::get().process(Config::get().project.cmake.command+' '+
                                            filesystem::escape_argument(project_path)+" -DCMAKE_BUILD_TYPE=Debug", debug_build_path);
   message.hide();
   if(exit_status==EXIT_SUCCESS)

src/cmake.h

@@ -9,15 +9,13 @@ class CMake {
 public:
   CMake(const boost::filesystem::path &path);
   boost::filesystem::path project_path;
-  std::vector<boost::filesystem::path> paths;
   
   bool update_default_build(const boost::filesystem::path &default_build_path, bool force=false);
   bool update_debug_build(const boost::filesystem::path &debug_build_path, bool force=false);
   
   boost::filesystem::path get_executable(const boost::filesystem::path &file_path);
-  
-  std::vector<std::pair<boost::filesystem::path, std::vector<std::string> > > get_functions_parameters(const std::string &name);
 private:
+  std::vector<boost::filesystem::path> paths;
   std::vector<std::string> files;
   std::unordered_map<std::string, std::string> variables;
   void read_files();
@@ -28,6 +26,7 @@ private:
   void parse_variable_parameters(std::string &data);
   void parse();
   std::vector<std::string> get_function_parameters(std::string &data);
+  std::vector<std::pair<boost::filesystem::path, std::vector<std::string> > > get_functions_parameters(const std::string &name);
   bool parsed=false;
 };
 #endif //JUCI_CMAKE_H_

src/compile_commands.cc

@@ -0,0 +1,79 @@
+#include "compile_commands.h"
+#include <boost/property_tree/json_parser.hpp>
+
+std::vector<std::string> CompileCommands::Command::paramter_values(const std::string &paramter_name) const {
+  std::vector<std::string> parameter_values;
+  
+  bool found_argument=false;
+  for(auto &parameter: parameters) {
+    if(found_argument) {
+      parameter_values.emplace_back(parameter);
+      found_argument=false;
+    }
+    else if(parameter==paramter_name)
+      found_argument=true;
+  }
+  
+  return parameter_values;
+}
+
+CompileCommands::CompileCommands(const boost::filesystem::path &build_path) {
+  try {
+    boost::property_tree::ptree root_pt;
+    boost::property_tree::json_parser::read_json((build_path/"compile_commands.json").string(), root_pt);
+    
+    auto commands_pt=root_pt.get_child("");
+    for(auto &command: commands_pt) {
+      boost::filesystem::path directory=command.second.get<std::string>("directory");
+      auto parameters_str=command.second.get<std::string>("command");
+      boost::filesystem::path file=command.second.get<std::string>("file");
+      
+      std::vector<std::string> parameters;
+      bool backslash=false;
+      bool single_quote=false;
+      bool double_quote=false;
+      size_t parameter_start_pos=-1;
+      size_t parameter_size=0;
+      auto add_parameter=[&parameters, &parameters_str, &parameter_start_pos, &parameter_size] {
+        auto parameter=parameters_str.substr(parameter_start_pos, parameter_size);
+        // Remove escaping
+        for(size_t c=0;c<parameter.size()-1;++c) {
+          if(parameter[c]=='\\')
+            parameter.replace(c, 2, std::string()+parameter[c+1]);
+        }
+        parameters.emplace_back(parameter);
+      };
+      for(size_t c=0;c<parameters_str.size();++c) {
+        if(backslash)
+          backslash=false;
+        else if(parameters_str[c]=='\\')
+          backslash=true;
+        else if((parameters_str[c]==' ' || parameters_str[c]=='\t') && !backslash && !single_quote && !double_quote) {
+          if(parameter_start_pos!=static_cast<size_t>(-1)) {
+            add_parameter();
+            parameter_start_pos=-1;
+            parameter_size=0;
+          }
+          continue;
+        }
+        else if(parameters_str[c]=='\'' && !backslash && !double_quote) {
+          single_quote=!single_quote;
+          continue;
+        }
+        else if(parameters_str[c]=='\"' && !backslash && !single_quote) {
+          double_quote=!double_quote;
+          continue;
+        }
+        
+        if(parameter_start_pos==static_cast<size_t>(-1))
+          parameter_start_pos=c;
+        ++parameter_size;
+      }
+      if(parameter_start_pos!=static_cast<size_t>(-1))
+        add_parameter();
+      
+      commands.emplace_back(Command{directory, parameters, boost::filesystem::absolute(file, build_path)});
+    }
+  }
+  catch(...) {}
+}

src/compile_commands.h

@@ -0,0 +1,23 @@
+#ifndef JUCI_COMPILE_COMMANDS_H_
+#define JUCI_COMPILE_COMMANDS_H_
+
+#include <boost/filesystem.hpp>
+#include <vector>
+#include <string>
+
+class CompileCommands {
+public:
+  class Command {
+  public:
+    boost::filesystem::path directory;
+    std::vector<std::string> parameters;
+    boost::filesystem::path file;
+    
+    std::vector<std::string> paramter_values(const std::string &parameter_name) const;
+  };
+  
+  CompileCommands(const boost::filesystem::path &build_path);
+  std::vector<Command> commands;
+};
+
+#endif // JUCI_COMPILE_COMMANDS_H_

src/config.cc

@@ -90,8 +90,10 @@ void Config::retrieve_config() {
   
   project.default_build_path=cfg.get<std::string>("project.default_build_path");
   project.debug_build_path=cfg.get<std::string>("project.debug_build_path");
-  project.make_command=cfg.get<std::string>("project.make_command");
-  project.cmake_command=cfg.get<std::string>("project.cmake_command");
+  project.cmake.command=cfg.get<std::string>("project.cmake.command");
+  project.cmake.compile_command=cfg.get<std::string>("project.cmake.compile_command");
+  project.meson.command=cfg.get<std::string>("project.meson.command");
+  project.meson.compile_command=cfg.get<std::string>("project.meson.compile_command");
   project.save_on_compile_or_run=cfg.get<bool>("project.save_on_compile_or_run");
   project.clear_terminal_on_compile=cfg.get<bool>("project.clear_terminal_on_compile");
   project.ctags_command=cfg.get<std::string>("project.ctags_command");

src/config.h

@@ -36,10 +36,21 @@ public:
   
   class Project {
   public:
+    class CMake {
+    public:
+      std::string command;
+      std::string compile_command;
+    };
+    class Meson {
+    public:
+      std::string command;
+      std::string compile_command;
+    };
+    
     std::string default_build_path;
     std::string debug_build_path;
-    std::string cmake_command;
-    std::string make_command;
+    CMake cmake;
+    Meson meson;
     bool save_on_compile_or_run;
     bool clear_terminal_on_compile;
     std::string ctags_command;

src/files.h

@@ -156,16 +156,29 @@ R"RAW(
         "default_build_path_comment": "Use <project_directory_name> to insert the project top level directory name",
         "default_build_path": "./build",
         "debug_build_path_comment": "Use <project_directory_name> to insert the project top level directory name, and <default_build_path> to insert your default_build_path setting.",
-        "debug_build_path": "<default_build_path>/debug",)RAW"
+        "debug_build_path": "<default_build_path>/debug",
+        "cmake": {)RAW"
 #ifdef _WIN32
 R"RAW(
-        "cmake_command": "cmake -G\"MSYS Makefiles\"",)RAW"
+            "command": "cmake -G\"MSYS Makefiles\"",)RAW"
 #else
 R"RAW(
-        "cmake_command": "cmake",)RAW"
+            "command": "cmake",)RAW"
 #endif
 R"RAW(
-        "make_command": "cmake --build .",
+            "compile_command": "cmake --build ."
+        },
+        "meson": {)RAW"
+#ifdef __APPLE__
+R"RAW(
+            "command": "meson.py",)RAW"
+#else
+R"RAW(
+            "command": "meson",)RAW"
+#endif
+R"RAW(
+            "compile_command": "ninja"
+        },
         "save_on_compile_or_run": true,
         "clear_terminal_on_compile": true,
         "ctags_command": "ctags"

src/meson.cc

@@ -0,0 +1,130 @@
+#include "meson.h"
+#include "filesystem.h"
+#include "compile_commands.h"
+#include <regex>
+#include "terminal.h"
+#include "dialogs.h"
+#include "config.h"
+
+Meson::Meson(const boost::filesystem::path &path) {
+  const auto find_project=[this](const boost::filesystem::path &file_path) {
+    for(auto &line: filesystem::read_lines(file_path)) {
+      const static std::regex project_regex("^ *project *\\(.*$", std::regex::icase);
+      std::smatch sm;
+      if(std::regex_match(line, sm, project_regex))
+        return true;
+    }
+    return false;
+  };
+  
+  auto search_path=boost::filesystem::is_directory(path)?path:path.parent_path();
+  while(true) {
+    auto search_file=search_path/"meson.build";
+    if(boost::filesystem::exists(search_file)) {
+      if(find_project(search_file)) {
+        project_path=search_path;
+        break;
+      }
+    }
+    if(search_path==search_path.root_directory())
+      break;
+    search_path=search_path.parent_path();
+  }
+}
+
+bool Meson::update_default_build(const boost::filesystem::path &default_build_path, bool force) {
+  if(project_path.empty())
+      return false;
+  
+  if(!boost::filesystem::exists(project_path/"meson.build"))
+    return false;
+  
+  if(default_build_path.empty())
+    return false;
+  if(!boost::filesystem::exists(default_build_path)) {
+    boost::system::error_code ec;
+    boost::filesystem::create_directories(default_build_path, ec);
+    if(ec) {
+      Terminal::get().print("Error: could not create "+default_build_path.string()+": "+ec.message()+"\n", true);
+      return false;
+    }
+  }
+  
+  auto compile_commands_path=default_build_path/"compile_commands.json";
+  bool compile_commands_exists=boost::filesystem::exists(compile_commands_path);
+  if(!force && compile_commands_exists)
+    return true;
+  
+  Dialog::Message message("Creating/updating default build");
+  auto exit_status=Terminal::get().process(Config::get().project.meson.command+' '+(compile_commands_exists?"--internal regenerate ":"")+
+                                           filesystem::escape_argument(project_path), default_build_path);
+  message.hide();
+  if(exit_status==EXIT_SUCCESS)
+    return true;
+  return false;
+}
+
+bool Meson::update_debug_build(const boost::filesystem::path &debug_build_path, bool force) {
+  if(project_path.empty())
+    return false;
+  
+  if(!boost::filesystem::exists(project_path/"meson.build"))
+    return false;
+  
+  if(debug_build_path.empty())
+    return false;
+  if(!boost::filesystem::exists(debug_build_path)) {
+    boost::system::error_code ec;
+    boost::filesystem::create_directories(debug_build_path, ec);
+    if(ec) {
+      Terminal::get().print("Error: could not create "+debug_build_path.string()+": "+ec.message()+"\n", true);
+      return false;
+    }
+  }
+  
+  bool compile_commands_exists=boost::filesystem::exists(debug_build_path/"compile_commands.json");
+  if(!force && compile_commands_exists)
+    return true;
+  
+  Dialog::Message message("Creating/updating debug build");
+  auto exit_status=Terminal::get().process(Config::get().project.meson.command+' '+(compile_commands_exists?"--internal regenerate ":"")+
+                                           "--buildtype debug "+filesystem::escape_argument(project_path), debug_build_path);
+  message.hide();
+  if(exit_status==EXIT_SUCCESS)
+    return true;
+  return false;
+}
+
+boost::filesystem::path Meson::get_executable(const boost::filesystem::path &build_path, const boost::filesystem::path &file_path) {
+  CompileCommands compile_commands(build_path);
+  
+  size_t best_match_size=-1;
+  boost::filesystem::path best_match_executable;
+  for(auto &command: compile_commands.commands) {
+    boost::system::error_code ec;
+    auto command_file=boost::filesystem::canonical(command.file, ec);
+    if(!ec) {
+      auto values=command.paramter_values("-o");
+      if(!values.empty()) {
+        size_t pos;
+        if((pos=values[0].find("@"))!=std::string::npos) {
+          if(pos+1<values[0].size() && values[0].substr(pos+1, 3)=="exe") {
+            auto executable=build_path/values[0].substr(0, pos);
+            if(command_file==file_path)
+              return executable;
+            auto command_file_directory=command_file.parent_path();
+            if(filesystem::file_in_path(file_path, command_file_directory)) {
+              auto size=command_file_directory.string().size();
+              if(best_match_size==static_cast<size_t>(-1) || best_match_size<size) {
+                best_match_size=size;
+                best_match_executable=executable;
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  
+  return best_match_executable;
+}

src/meson.h

@@ -0,0 +1,19 @@
+#ifndef JUCI_MESON_H_
+#define JUCI_MESON_H_
+
+#include <boost/filesystem.hpp>
+#include <vector>
+
+class Meson {
+public:
+  Meson(const boost::filesystem::path &path);
+  
+  boost::filesystem::path project_path;
+  
+  bool update_default_build(const boost::filesystem::path &default_build_path, bool force=false);
+  bool update_debug_build(const boost::filesystem::path &debug_build_path, bool force=false);
+  
+  boost::filesystem::path get_executable(const boost::filesystem::path &build_path, const boost::filesystem::path &file_path);
+};
+
+#endif //JUCI_MESON_H_

src/project.cc

@@ -42,26 +42,32 @@ void Project::on_save(size_t index) {
   auto view=Notebook::get().get_view(index);
   if(!view)
     return;
+  boost::filesystem::path build_path;
   if(view->language && view->language->get_id()=="cmake") {
-    boost::filesystem::path cmake_path;
     if(view->file_path.filename()=="CMakeLists.txt")
-      cmake_path=view->file_path;
+      build_path=view->file_path;
     else
-      cmake_path=filesystem::find_file_in_path_parents("CMakeLists.txt", view->file_path.parent_path());
-    
-    if(!cmake_path.empty()) {
-      auto build=Build::create(cmake_path);
-      if(dynamic_cast<CMakeBuild*>(build.get())) {
-        build->update_default(true);
-        if(boost::filesystem::exists(build->get_debug_path()))
-          build->update_debug(true);
-        
-        for(size_t c=0;c<Notebook::get().size();c++) {
-          auto source_view=Notebook::get().get_view(c);
-          if(auto source_clang_view=dynamic_cast<Source::ClangView*>(source_view)) {
-            if(filesystem::file_in_path(source_clang_view->file_path, build->project_path))
-              source_clang_view->full_reparse_needed=true;
-          }
+      build_path=filesystem::find_file_in_path_parents("CMakeLists.txt", view->file_path.parent_path());
+  }
+  else if(view->language && view->language->get_id()=="meson") {
+    if(view->file_path.filename()=="meson.build")
+      build_path=view->file_path;
+    else
+      build_path=filesystem::find_file_in_path_parents("meson.build", view->file_path.parent_path());
+  }
+  
+  if(!build_path.empty()) {
+    auto build=Build::create(build_path);
+    if(dynamic_cast<CMakeBuild*>(build.get()) || dynamic_cast<MesonBuild*>(build.get())) {
+      build->update_default(true);
+      if(boost::filesystem::exists(build->get_debug_path()))
+        build->update_debug(true);
+      
+      for(size_t c=0;c<Notebook::get().size();c++) {
+        auto source_view=Notebook::get().get_view(c);
+        if(auto source_clang_view=dynamic_cast<Source::ClangView*>(source_view)) {
+          if(filesystem::file_in_path(source_clang_view->file_path, build->project_path))
+            source_clang_view->full_reparse_needed=true;
         }
       }
     }
@@ -140,7 +146,7 @@ std::unique_ptr<Project::Base> Project::create() {
   else
     build=Build::create(Directories::get().path);
   
-  if(dynamic_cast<CMakeBuild*>(build.get()))
+  if(dynamic_cast<CMakeBuild*>(build.get()) || dynamic_cast<MesonBuild*>(build.get()))
     return std::unique_ptr<Project::Base>(new Project::Clang(std::move(build)));
   else
     return std::unique_ptr<Project::Base>(new Project::Base(std::move(build)));
@@ -213,14 +219,10 @@ std::pair<std::string, std::string> Project::Clang::get_run_arguments() {
   
   if(arguments.empty()) {
     auto view=Notebook::get().get_current_view();
-    auto executable=build->get_executable(view?view->file_path:"").string();
+    auto executable=build->get_executable(view?view->file_path:Directories::get().path).string();
     
-    if(executable!="") {
-      size_t pos=executable.find(project_path);
-      if(pos!=std::string::npos)
-        executable.replace(pos, project_path.size(), build_path.string());
+    if(!executable.empty())
       arguments=filesystem::escape_argument(executable);
-    }
     else
       arguments=filesystem::escape_argument(build->get_default_path());
   }
@@ -238,7 +240,12 @@ void Project::Clang::compile() {
   
   compiling=true;
   Terminal::get().print("Compiling project "+build->project_path.string()+"\n");
-  Terminal::get().async_process(Config::get().project.make_command, default_build_path, [this](int exit_status) {
+  std::string compile_command;
+  if(dynamic_cast<CMakeBuild*>(build.get()))
+    compile_command=Config::get().project.cmake.compile_command;
+  else if(dynamic_cast<MesonBuild*>(build.get()))
+    compile_command=Config::get().project.meson.compile_command;
+  Terminal::get().async_process(compile_command, default_build_path, [this](int exit_status) {
     compiling=false;
   });
 }
@@ -257,15 +264,12 @@ void Project::Clang::compile_and_run() {
   
   if(arguments.empty()) {
     auto view=Notebook::get().get_current_view();
-    arguments=build->get_executable(view?view->file_path:"").string();
+    arguments=build->get_executable(view?view->file_path:Directories::get().path).string();
     if(arguments.empty()) {
       Terminal::get().print("Warning: could not find executable.\n");
-      Terminal::get().print("Solution: either use Project Set Run Arguments, or open a source file within a directory where add_executable is set.\n", true);
+      Terminal::get().print("Solution: either use Project Set Run Arguments, or open a source file within a directory where an executable is defined.\n", true);
       return;
     }
-    size_t pos=arguments.find(project_path.string());
-    if(pos!=std::string::npos)
-      arguments.replace(pos, project_path.string().size(), default_build_path.string());
     arguments=filesystem::escape_argument(arguments);
   }
   
@@ -274,7 +278,12 @@ void Project::Clang::compile_and_run() {
   
   compiling=true;
   Terminal::get().print("Compiling and running "+arguments+"\n");
-  Terminal::get().async_process(Config::get().project.make_command, default_build_path, [this, arguments, project_path](int exit_status){
+  std::string compile_command;
+  if(dynamic_cast<CMakeBuild*>(build.get()))
+    compile_command=Config::get().project.cmake.compile_command;
+  else if(dynamic_cast<MesonBuild*>(build.get()))
+    compile_command=Config::get().project.meson.compile_command;
+  Terminal::get().async_process(compile_command, default_build_path, [this, arguments, project_path](int exit_status){
     compiling=false;
     if(exit_status==EXIT_SUCCESS) {
       Terminal::get().async_process(arguments, project_path, [this, arguments](int exit_status){
@@ -339,8 +348,9 @@ void Project::Clang::recreate_build() {
 
 #ifdef JUCI_ENABLE_DEBUG
 std::pair<std::string, std::string> Project::Clang::debug_get_run_arguments() {
-  auto build_path=build->get_debug_path();
-  if(build_path.empty())
+  auto debug_build_path=build->get_debug_path();
+  auto default_build_path=build->get_default_path();
+  if(debug_build_path.empty())
     return {"", ""};
   
   auto project_path=build->project_path.string();
@@ -351,12 +361,12 @@ std::pair<std::string, std::string> Project::Clang::debug_get_run_arguments() {
   
   if(arguments.empty()) {
     auto view=Notebook::get().get_current_view();
-    auto executable=build->get_executable(view?view->file_path:"").string();
+    auto executable=build->get_executable(view?view->file_path:Directories::get().path).string();
     
-    if(executable!="") {
-      size_t pos=executable.find(project_path);
+    if(!executable.empty()) {
+      size_t pos=executable.find(default_build_path.string());
       if(pos!=std::string::npos)
-        executable.replace(pos, project_path.size(), build_path.string());
+        executable.replace(pos, default_build_path.string().size(), debug_build_path.string());
       arguments=filesystem::escape_argument(executable);
     }
     else
@@ -376,6 +386,9 @@ void Project::Clang::debug_start() {
   auto debug_build_path=build->get_debug_path();
   if(debug_build_path.empty() || !build->update_debug())
     return;
+  auto default_build_path=build->get_default_path();
+  if(default_build_path.empty())
+    return;
   auto project_path=std::make_shared<boost::filesystem::path>(build->project_path);
   
   auto run_arguments_it=debug_run_arguments.find(project_path->string());
@@ -385,15 +398,15 @@ void Project::Clang::debug_start() {
   
   if(run_arguments->empty()) {
     auto view=Notebook::get().get_current_view();
-    *run_arguments=build->get_executable(view?view->file_path:"").string();
+    *run_arguments=build->get_executable(view?view->file_path:Directories::get().path).string();
     if(run_arguments->empty()) {
       Terminal::get().print("Warning: could not find executable.\n");
-      Terminal::get().print("Solution: either use Debug Set Run Arguments, or open a source file within a directory where add_executable is set.\n", true);
+      Terminal::get().print("Solution: either use Debug Set Run Arguments, or open a source file within a directory where an executable is defined.\n", true);
       return;
     }
-    size_t pos=run_arguments->find(project_path->string());
+    size_t pos=run_arguments->find(default_build_path.string());
     if(pos!=std::string::npos)
-      run_arguments->replace(pos, project_path->string().size(), debug_build_path.string());
+      run_arguments->replace(pos, default_build_path.string().size(), debug_build_path.string());
     *run_arguments=filesystem::escape_argument(*run_arguments);
   }
   
@@ -402,7 +415,12 @@ void Project::Clang::debug_start() {
   
   debugging=true;
   Terminal::get().print("Compiling and debugging "+*run_arguments+"\n");
-  Terminal::get().async_process(Config::get().project.make_command, debug_build_path, [this, run_arguments, project_path](int exit_status){
+  std::string compile_command;
+  if(dynamic_cast<CMakeBuild*>(build.get()))
+    compile_command=Config::get().project.cmake.compile_command;
+  else if(dynamic_cast<MesonBuild*>(build.get()))
+    compile_command=Config::get().project.meson.compile_command;
+  Terminal::get().async_process(compile_command, debug_build_path, [this, run_arguments, project_path](int exit_status){
     if(exit_status!=EXIT_SUCCESS)
       debugging=false;
     else {

src/project_build.cc

@@ -2,11 +2,29 @@
 #include "config.h"
 
 std::unique_ptr<Project::Build> Project::Build::create(const boost::filesystem::path &path) {
-  std::unique_ptr<Project::Build> cmake(new CMakeBuild(path));
-  if(!cmake->project_path.empty())
-    return cmake;
-  else
-    return std::make_unique<Project::Build>();
+  auto search_path=boost::filesystem::is_directory(path)?path:path.parent_path();
+  
+  while(true) {
+    if(boost::filesystem::exists(search_path/"CMakeLists.txt")) {
+      std::unique_ptr<Project::Build> cmake(new CMakeBuild(path));
+      if(!cmake->project_path.empty())
+        return cmake;
+      else
+        return std::make_unique<Project::Build>();
+    }
+    
+    if(boost::filesystem::exists(search_path/"meson.build")) {
+      std::unique_ptr<Project::Build> meson(new MesonBuild(path));
+      if(!meson->project_path.empty())
+        return meson;
+    }
+    
+    if(search_path==search_path.root_directory())
+      break;
+    search_path=search_path.parent_path();
+  }
+  
+  return std::make_unique<Project::Build>();
 }
 
 boost::filesystem::path Project::Build::get_default_path() {
@@ -79,5 +97,25 @@ bool Project::CMakeBuild::update_debug(bool force) {
 }
 
 boost::filesystem::path Project::CMakeBuild::get_executable(const boost::filesystem::path &path) {
-  return cmake.get_executable(path);
+  auto executable=cmake.get_executable(path).string();
+  size_t pos=executable.find(project_path.string());
+  if(pos!=std::string::npos)
+    executable.replace(pos, project_path.string().size(), get_default_path().string());
+  return executable;
+}
+
+Project::MesonBuild::MesonBuild(const boost::filesystem::path &path) : Project::Build(), meson(path) {
+  project_path=meson.project_path;
+}
+
+bool Project::MesonBuild::update_default(bool force) {
+  return meson.update_default_build(get_default_path(), force);
+}
+
+bool Project::MesonBuild::update_debug(bool force) {
+  return meson.update_debug_build(get_debug_path(), force);
+}
+
+boost::filesystem::path Project::MesonBuild::get_executable(const boost::filesystem::path &path) {
+  return meson.get_executable(get_default_path(), path);
 }

src/project_build.h

@@ -3,6 +3,7 @@
 
 #include <boost/filesystem.hpp>
 #include "cmake.h"
+#include "meson.h"
 
 namespace Project {
   class Build {
@@ -32,6 +33,17 @@ namespace Project {
     
     boost::filesystem::path get_executable(const boost::filesystem::path &path) override;
   };
+  
+  class MesonBuild : public Build {
+    Meson meson;
+  public:
+    MesonBuild(const boost::filesystem::path &path);
+    
+    bool update_default(bool force=false) override;
+    bool update_debug(bool force=false) override;
+    
+    boost::filesystem::path get_executable(const boost::filesystem::path &path) override;
+  };
 }
 
 #endif // JUCI_PROJECT_BUILD_H_

tests/CMakeLists.txt

@@ -19,11 +19,21 @@ add_executable(process_test process_test.cc
 target_link_libraries(process_test ${global_libraries})
 add_test(process_test process_test)
 
+add_executable(compile_commands_test compile_commands_test.cc
+               $<TARGET_OBJECTS:project_shared> $<TARGET_OBJECTS:stubs>)
+target_link_libraries(compile_commands_test ${global_libraries})
+add_test(compile_commands_test compile_commands_test)
+
 add_executable(cmake_build_test cmake_build_test.cc
                $<TARGET_OBJECTS:project_shared> $<TARGET_OBJECTS:stubs>)
 target_link_libraries(cmake_build_test ${global_libraries})
 add_test(cmake_build_test cmake_build_test)
 
+add_executable(meson_build_test meson_build_test.cc
+               $<TARGET_OBJECTS:project_shared> $<TARGET_OBJECTS:stubs>)
+target_link_libraries(meson_build_test ${global_libraries})
+add_test(meson_build_test meson_build_test)
+
 add_executable(source_test source_test.cc
                $<TARGET_OBJECTS:project_shared> $<TARGET_OBJECTS:stubs>)
 target_link_libraries(source_test ${global_libraries})

tests/compile_commands_test.cc

@@ -0,0 +1,36 @@
+#include "compile_commands.h"
+#include <glib.h>
+
+int main() {
+  auto tests_path=boost::filesystem::canonical(JUCI_TESTS_PATH);
+  
+  {
+    CompileCommands compile_commands(tests_path/"meson_test_files"/"build");
+    
+    g_assert(compile_commands.commands.at(0).directory=="jucipp/tests/meson_test_files/build");
+    
+    g_assert_cmpuint(compile_commands.commands.size(), ==, 5);
+    
+    g_assert_cmpstr(compile_commands.commands.at(4).parameters.at(0).c_str(), ==, "te's\"t");
+    g_assert_cmpstr(compile_commands.commands.at(4).parameters.at(1).c_str(), ==, "te st");
+    g_assert_cmpstr(compile_commands.commands.at(4).parameters.at(2).c_str(), ==, "test");
+    g_assert_cmpstr(compile_commands.commands.at(4).parameters.at(3).c_str(), ==, "te\\st");
+    g_assert_cmpstr(compile_commands.commands.at(4).parameters.at(4).c_str(), ==, "te\\\\st");
+    
+    auto parameter_values=compile_commands.commands.at(0).paramter_values("-o");
+    g_assert_cmpuint(parameter_values.size(), ==, 1);
+    g_assert_cmpstr(parameter_values.at(0).c_str(), ==, "hello_lib@sta/main.cpp.o");
+    
+    g_assert(boost::filesystem::canonical(compile_commands.commands.at(0).file) == tests_path/"meson_test_files"/"main.cpp");
+  }
+  
+  {
+    CompileCommands compile_commands(tests_path/"source_clang_test_files"/"build");
+    
+    g_assert(compile_commands.commands.at(0).directory=="build");
+    
+    g_assert_cmpuint(compile_commands.commands.size(), ==, 1);
+    
+    g_assert_cmpstr(compile_commands.commands.at(0).parameters.at(2).c_str(), ==, "-Wall");
+  }
+}

tests/meson_build_test.cc

@@ -0,0 +1,34 @@
+#include "meson.h"
+#include <glib.h>
+#include "project.h"
+
+int main() {
+  auto tests_path=boost::filesystem::canonical(JUCI_TESTS_PATH);
+  auto meson_test_files_path=boost::filesystem::canonical(tests_path/"meson_test_files");
+  
+  {
+    Meson meson(meson_test_files_path/"a_subdir");
+    g_assert(meson.project_path==meson_test_files_path);
+  }
+  
+  {
+    Meson meson(meson_test_files_path);
+    g_assert(meson.project_path==meson_test_files_path);
+    
+    g_assert(meson.get_executable(meson_test_files_path/"build", meson_test_files_path/"main.cpp")==meson_test_files_path/"build"/"hello");
+    g_assert(meson.get_executable(meson_test_files_path/"build", meson_test_files_path/"another_file.cpp")==meson_test_files_path/"build"/"another_executable");
+    g_assert(meson.get_executable(meson_test_files_path/"build", meson_test_files_path/"a_subdir"/"main.cpp")==meson_test_files_path/"build"/"a_subdir"/"hello2");
+    
+    g_assert(meson.get_executable(meson_test_files_path/"build", meson_test_files_path/"non_existing_file.cpp")==meson_test_files_path/"build"/"hello");
+    g_assert(meson.get_executable(meson_test_files_path/"build", meson_test_files_path)==meson_test_files_path/"build"/"hello");
+    
+    g_assert(meson.get_executable(meson_test_files_path/"build", meson_test_files_path/"a_subdir")==meson_test_files_path/"build"/"a_subdir"/"hello2");
+    g_assert(meson.get_executable(meson_test_files_path/"build", meson_test_files_path/"a_subdir"/"non_existing_file.cpp")==meson_test_files_path/"build"/"a_subdir"/"hello2");
+  }
+  
+  auto build=Project::Build::create(meson_test_files_path);
+  g_assert(dynamic_cast<Project::MesonBuild*>(build.get()));
+  
+  build=Project::Build::create(meson_test_files_path/"a_subdir");
+  g_assert(dynamic_cast<Project::MesonBuild*>(build.get()));
+}

tests/meson_test_files/a_subdir/main.cpp

@@ -0,0 +1,5 @@
+#include <iostream>
+
+int main() {
+  std::cout << "Hello World\n";
+}

tests/meson_test_files/a_subdir/meson.build

@@ -0,0 +1 @@
+executable('hello2', 'main.cpp', cpp_args: compiler_args)

tests/meson_test_files/another_file.cpp

@@ -0,0 +1,5 @@
+#include <iostream>
+
+int main() {
+  std::cout << "Hello World\n";
+}

tests/meson_test_files/build/compile_commands.json

@@ -0,0 +1,27 @@
+[
+  {
+    "directory": "jucipp/tests/meson_test_files/build",
+    "command": "c++  '-Ihello_lib@sta' '-I..' '-I.' '-Wall' '-Winvalid-pch' '-Wnon-virtual-dtor' '-std=c++11' '-Wall' '-Wextra' '-O0' '-g' '-MMD' '-MQ' 'hello_lib@sta/main.cpp.o' '-MF' 'hello_lib@sta/main.cpp.o.d' -o 'hello_lib@sta/main.cpp.o' -c ../main.cpp",
+    "file": "../main.cpp"
+  },
+  {
+    "directory": "jucipp/tests/meson_test_files/build",
+    "command": "c++  '-Ihello@exe' '-I..' '-I.' '-Wall' '-Winvalid-pch' '-Wnon-virtual-dtor' '-std=c++11' '-Wall' '-Wextra' '-O0' '-g' '-MMD' '-MQ' 'hello@exe/main.cpp.o' '-MF' 'hello@exe/main.cpp.o.d' -o 'hello@exe/main.cpp.o' -c ../main.cpp",
+    "file": "../main.cpp"
+  },
+  {
+    "directory": "jucipp/tests/meson_test_files/build",
+    "command": "c++  '-Ia_subdir/hello2@exe' '-I../a_subdir' '-Ia_subdir' '-Wall' '-Winvalid-pch' '-Wnon-virtual-dtor' '-std=c++11' '-Wall' '-Wextra' '-O0' '-g' '-MMD' '-MQ' 'a_subdir/hello2@exe/main.cpp.o' '-MF' 'a_subdir/hello2@exe/main.cpp.o.d' -o 'a_subdir/hello2@exe/main.cpp.o' -c ../a_subdir/main.cpp",
+    "file": "../a_subdir/main.cpp"
+  },
+  {
+    "directory": "jucipp/tests/meson_test_files/build",
+    "command": "c++  '-Ianother_executable@exe' '-I..' '-I.' '-Wall' '-Winvalid-pch' '-Wnon-virtual-dtor' '-std=c++11' '-Wall' '-Wextra' '-O0' '-g' '-MMD' '-MQ' 'another_executable@exe/another_file.cpp.o' '-MF' 'another_executable@exe/another_file.cpp.o.d' -o 'another_executable@exe/another_file.cpp.o' -c ../another_file.cpp",
+    "file": "../another_file.cpp"
+  },
+  {
+    "directory": "jucipp/tests/meson_test_files/build",
+    "command": "'te\\'s\"t'  te\\ st test te\\\\st te\\\\\\\\st",
+    "file": "../parse_test.cpp"
+  }
+]

tests/meson_test_files/main.cpp

@@ -0,0 +1,5 @@
+#include <iostream>
+
+int main() {
+  std::cout << "Hello World\n";
+}

tests/meson_test_files/meson.build

@@ -0,0 +1,11 @@
+project('hello.world', 'cpp')
+
+compiler_args = ['-std=c++11', '-Wall', '-Wextra']
+
+static_library('hello_lib', 'main.cpp', cpp_args: compiler_args)
+
+executable('hello', 'main.cpp', cpp_args: compiler_args)
+
+executable('another_executable', 'another_file.cpp', cpp_args: compiler_args)
+
+subdir('a_subdir')