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Rewrite of Roadsend PHP in C++ using LLVM
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= Roadsend PHP: Raven (rphp) = This is the development site for the rewrite of Roadsend PHP (rphp), based on LLVM and a new C++ runtime. It is an open source, liberally licensed project. You can find the latest summary on recent developments on http://roadsend-php.blogspot.com Features/Goals include: * Highly optimized, JIT or static compiled native binaries (via LLVM) * PHP source level analysis and optimization * Rich diagnostics and error messages * Modular design * Clean and easy runtime and extension API * Full unicode support * Latest language features (e.g. PHP5 objects, exceptions, namespaces, lambda functions, etc) * Portability, Speed, Security Unlike our previous project, we are not aiming for 100% compatibility with Zend Engine based PHP. == Current Status == * CMake build system * Runtime library * Runtime variable representation * Port of basic runtime system layout * Standard Extension started * Commandline front end * Compile stand alone * Run in JIT * Compiler and Analysis * Full unicode preprocessor/lexer/parser in place * Pass system for AST tree traversal and transforming * Some code (IR) generation (detailed progress list coming soon) * Static analyzer which dumps (in XML) * Tokens * AST * Generated IR * Various analysis passes * Port of [http://phpcompiler.org phc] optimizer passes * Runtime Test Suite (CppUnit and PHP based) Development currently takes place on Linux x86 (32 and 64) and OSX, but other platforms will be supported. If you are looking for a fully functioning PHP compiler that works right now, please see our [http://code.roadsend.com/pcc original implementation] instead. If you'd like to contribute, please contact us or join us in #roadsend on irc.freenode.net == Requires == * [http://llvm.org LLVM] 3.0 with clang++ * [http://boost.org Boost] 1.38+ (only headers required, no libraries) * [http://cmake.org CMake] 2.6+ * [http://icu-project.org ICU] 4.2+ * [http://gmplib.org GMP] 4.3.1+ == Docs == * [http://roadsend-php.blogspot.com Development Blog] * [http://code.roadsend.com/docs/doxygen/annotated.html Doxygen Source Documentation] == Source == Browse the source at: https://github.com/weyrick/roadsend-php-raven == Build == rphp uses the CMake build system. Basic *nix instructions: * create "build" directory inside of rphp * in the build directory, type "cmake .." * make Note that an in-tree build is not recommended, you should create a separate build directory. == Sample Checkout and Build Session == Assuming you have the prerequisites installed, a sample checkout and build session might look like this: ~$ cd rphp ~rphp/$ mkdir build ~rphp/$ cd build ~rphp/build$ cmake .. (... output ...) ~rphp/build$ make (... build output ...) All of the build files (including libraries and executables that are built) will be underneath this build directory. == Running == '''PLEASE NOTE that code generation is currently disabled while we finish rewriting the front end. Try rphp-analyzer instead! Before running, setup some environment variables so rphp can find its library files. The following is a .bashrc excerpt, but what's important is to define RPHP_IR_PATH, RPHP_RUNTIME_PATH, and LD_LIBRARY_PATH if you wan to try both compiling and interpreting. RPHP_PATH=~/rphp RPHP_IR_PATH=$RPHP_PATH/lib RPHP_RUNTIME_PATH=$RPHP_PATH/build/runtime/ LD_LIBRARY_PATH=$RPHP_RUNTIME_PATH:$LD_LIBRARY_PATH export RPHP_IR_PATH RPHP_RUNTIME_PATH LD_LIBRARY_PATH The compiler binaries will be located in the build directory in frontend/cli/. "rphp" is the compiler and JIT interpreter. To execute a source file immediately (using JIT): $ frontend/cli/rphp -f helloworld.php To compile to a binary and run native: $ frontend/cli/rphp helloworld.php $ ./helloworld To dump the various passes: rphp-analyzer --dump-toks <file> rphp-analyzer --dump-ast <file> rphp --dump-ir <file>