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CLIF Teammrovner
CLIF Team
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Project import generated by Copybara (go/copybara).
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‎CONTRIBUTING.txt

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Sorry, we don't take contributions at the moment.
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We expect to open the project for contributions in 2H 2017.

‎INSTALL.sh

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#!/bin/bash
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#
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# Copyright 2017 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Install CLIF primer script.
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set -x -e
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INSTALL_DIR="$HOME/opt"
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CLIFSRC_DIR="$PWD"
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LLVM_DIR="$CLIFSRC_DIR/../clif_backend"
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BUILD_DIR="$LLVM_DIR/build_matcher"
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# Ensure CMake is installed (needs 3.5+)
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CV=$(cmake --version | head -1 | cut -f3 -d\ ); CV=(${CV//./ })
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if (( CV[0] < 3 || CV[0] == 3 && CV[1] < 5 )); then
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echo "Install CMake version 3.5+"
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fi
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# Ensure Google protobuf C++ source is installed (needs v3.2+).
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PV=$(protoc --version | cut -f2 -d\ ); PV=(${PV//./ })
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if (( PV[0] < 3 || PV[0] == 3 && PV[1] < 2 )); then
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echo "Install Google protobuf version 3.2+"
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fi
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PROTOC_PREFIX_PATH="$(dirname "$(dirname "$(which protoc)")")"
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# If Ninja is installed, use it instead of make. MUCH faster.
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declare -a CMAKE_G_FLAG
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declare -a MAKE_PARALLELISM
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if which ninja; then
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CMAKE_G_FLAGS=(-G Ninja)
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MAKE_OR_NINJA="ninja"
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MAKE_PARALLELISM=() # Ninja does this on its own.
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echo "Using ninja for the clif backend build."
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else
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CMAKE_G_FLAGS=() # The default generates a Makefile.
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MAKE_OR_NINJA="make"
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MAKE_PARALLELISM=(-j 2)
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if [[ -r /proc/cpuinfo ]]; then
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N_CPUS="$(cat /proc/cpuinfo | grep -c ^processor)"
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[[ "$N_CPUS" -gt 0 ]] && MAKE_PARALLELISM=(-j $N_CPUS)
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fi
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echo "Using make. Build will take a long time. Consider installing ninja."
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fi
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# Determine the Python to use.
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if [[ "$1" =~ ^-?-h ]]; then
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echo "Usage: $0 [python interpreter]"
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exit 1
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fi
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PYTHON="python"
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if [[ -n "$1" ]]; then
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PYTHON="$1"
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fi
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echo -n "Using Python interpreter: "
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which "$PYTHON"
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# Create a virtual environment for the pyclif installation.
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CLIF_VIRTUALENV="$INSTALL_DIR"/clif
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CLIF_PIP="$CLIF_VIRTUALENV/bin/pip"
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virtualenv -p "$PYTHON" "$CLIF_VIRTUALENV"
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# Older pip and setuptools can fail.
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# TODO(gps): These work the first time but run into errors if rerun? ugh.
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# Regardless, *necessary* on systems with older pip and setuptools. comment
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# these out if they cause you trouble. if the final pip install fails, you
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# may need a more recent pip and setuptools.
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"$CLIF_PIP" install --upgrade pip
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"$CLIF_PIP" install --upgrade setuptools
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# Download, build and install LLVM and Clang (needs a specific revision).
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mkdir -p "$LLVM_DIR"
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cd "$LLVM_DIR"
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svn co https://llvm.org/svn/llvm-project/llvm/trunk@299535 llvm
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cd llvm/tools
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svn co https://llvm.org/svn/llvm-project/cfe/trunk@299535 clang
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ln -s "$CLIFSRC_DIR/clif" clif
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# Build and install the CLIF backend. Our backend is part of the llvm build.
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mkdir -p "$BUILD_DIR"
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cd "$BUILD_DIR"
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cmake -DCMAKE_INSTALL_PREFIX="$CLIF_VIRTUALENV/clang" \
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-DCMAKE_PREFIX_PATH="$PROTOC_PREFIX_PATH" \
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-DLLVM_INSTALL_TOOLCHAIN_ONLY=true \
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-DCMAKE_BUILD_TYPE=Release \
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"${CMAKE_G_FLAGS[@]}" "$LLVM_DIR/llvm"
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"$MAKE_OR_NINJA" "${MAKE_PARALLELISM[@]}" clif-matcher
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"$MAKE_OR_NINJA" "${MAKE_PARALLELISM[@]}" install
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# Get back to the CLIF Python directory and have pip run setup.py.
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cd "$CLIFSRC_DIR"
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# Grab the python compiled .proto
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cp "$BUILD_DIR/tools/clif/protos/ast_pb2.py" clif/protos/
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"$CLIF_PIP" install .
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echo "SUCCESS - To use pyclif, run $CLIF_VIRTUALENV/bin/pyclif."

‎LICENSE

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