language: cpp
dist: trusty
sudo: required

compiler:
  - gcc
  - clang

env:
  global:
#   unfortunately we need this to stay within 50min timelimit given by travis.
#   this also turns off the debug/warning cxxflags
    - ORIGINAL_CXXFLAGS="-pedantic -Wall -Wextra -Wabi -Wcast-qual -Wfloat-equal -Wmissing-declarations -Wmissing-format-attribute -Wno-long-long -Wpacked -Wredundant-decls -Wshadow -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare -Wno-multichar -D_GLIBCXX_DEBUG -g "
    - CXXFLAGS="${ORIGINAL_CXXFLAGS} -O2 -march=native -Wstrict-aliasing=2 -Werror=strict-aliasing"
    - CPPCHECK=${TRAVIS_BUILD_DIR}/cppcheck
  matrix:
#    special CXXFLAGS for maximum speed, overrides global CXXFLAGS, CHECK_CLANG is the var that controls if we download and check clang in that travis job
    - CXXFLAGS="${CXXFLAGS} -DCHECK_INTERNAL"
    - CXXFLAGS="${CXXFLAGS} -DCHECK_INTERNAL" MAKEFLAGS="HAVE_RULES=yes" SRCDIR=build VERIFY=1
    - SRCDIR=build CHECK_CLANG=yes VERIFY=1
    - SRCDIR=build CHECK_LLVM=yes VERIFY=1
    - CHECK_MAKEFILE_REGEN=true

matrix:
# do notify immediately about it when a job of a build fails.
  fast_finish: true
# exclude clang checking with clang binary, not needed
  exclude:
    - compiler: gcc
      env: SRCDIR=build CHECK_CLANG=yes VERIFY=1
    - compiler: gcc
      env: SRCDIR=build CHECK_LLVM=yes VERIFY=1
    - compiler: gcc
      env: CHECK_MAKEFILE_REGEN=true
  allow_failures:
    - compiler: clang
      env: CHECK_MAKEFILE_REGEN=true

before_install:
# install needed deps
 - sudo apt-get update -qq
 - sudo apt-get install -qq python-pygments qt5-default qt5-qmake qtbase5-dev qtcreator libxml2-utils libpcre3 gdb unzip wx-common

script:
# fail the entire job as soon as one of the subcommands exits non-zero to save time and resources
  - set -e
# download clang git, compile cppcheck, run cppcheck on clang code to look for crashes in cppcheck. if this is done, terminate build
  - if [[ "$CHECK_CLANG" == "yes" ]] && [[ "$CC" == "clang" ]]; then wget "https://github.com/llvm-mirror/clang/archive/3aeb17c0c83af34fee9afb3efe3122bad77f557f.zip" & make -j 4 & wait; unzip 3aeb17c0c83af34fee9afb3efe3122bad77f557f.zip > /dev/null; touch /tmp/clang.cppcheck; cd ./clang-3aeb17c0c83af34fee9afb3efe3122bad77f557f ; ${CPPCHECK} . --max-configs=1 --enable=all --inconclusive --exception-handling --template="{callstack} ({severity}) {message} [{id}]" -iINPUTS -itest/Driver/Inputs/gen-response.c -itest/Index/index-many-logical-ops.c -itest/Sema/many-logical-ops.c --suppressions-list=../.travis_llvmcheck_suppressions -j 2 |& grep -v ".* files checked.*done" |& tee /tmp/clang.cppcheck; cd ../ ; echo "CLANG" ; ! grep "process crashed with signal\|Internal error\. compiled" /tmp/clang.cppcheck; exit; fi
# check llvm as well
  - if [[  "$CHECK_LLVM" == "yes" ]] && [[ "$CC" == "clang" ]]; then wget "https://github.com/llvm-mirror/llvm/archive/c31146b17944a1d56df72a70a1ed0e3b63795168.zip"  & make -j 4 & wait; unzip c31146b17944a1d56df72a70a1ed0e3b63795168.zip > /dev/null;  touch /tmp/llvm.cppcheck;  cd ./llvm-c31146b17944a1d56df72a70a1ed0e3b63795168 ; ${CPPCHECK} . --max-configs=1 --enable=all --inconclusive --exception-handling --template="{callstack} ({severity}) {message} [{id}]" --suppressions-list=../.travis_llvmcheck_suppressions -j 2 |& grep -v ".* files checked.*done" |& tee /tmp/llvm.cppcheck; cd ../ ; echo "LLVM"  ; ! grep "process crashed with signal\|Internal error\. compiled" /tmp/llvm.cppcheck; exit; fi
# check if dmake needs to be rerun but if yes, don't fail the build but notify us.
# to update dmake: "make dmake; ./dmake; and commit
  - echo "If the following command fails, run 'make dmake; make run-dmake' and commit the resulting change."
  - if [[ "$CHECK_MAKEFILE_REGEN" == "true" ]]; then make -s dmake; make -s run-dmake ; git diff --exit-code; exit; fi
# check with TEST_MATHLIB_VALUE enabled
  - touch lib/mathlib.cpp test/testmathlib.cpp
  - echo $CXXFLAGS
  - make -s test -j4 CPPFLAGS=-DTEST_MATHLIB_VALUE
  - touch lib/mathlib.cpp test/testmathlib.cpp
# compile cppcheck, default build
  - echo $CXXFLAGS
  - make -s test -j4
# compile gui
  - cd gui
  - qmake
  - echo $CXXFLAGS
  - make -s -j4
# building gui generates some more files that cppcheck can check, so check the repo *after* building gui
  - cd ../
# use same hack as for clang to work around cppchecks broken exit status with -j 2 ; create file, tee everything to the file and stdout, grep for errors in the file
  - touch /tmp/cppcheck.cppcheck
  - ${CPPCHECK} --error-exitcode=1 --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml/ -Icli --enable=style,performance,portability,warning,internal --exception-handling --suppressions-list=.travis_suppressions -itest/synthetic -iaddons  -igui . -j 2 |& tee /tmp/cppcheck.cppcheck
# check gui with qt settings
  - ${CPPCHECK} --library=qt  --error-exitcode=1  -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml/ -Icli --enable=style,performance,portability,warning,internal  --exception-handling -j 2 gui --suppressions-list=.travis_suppressions -igui/test |& tee --append /tmp/cppcheck.cppcheck
  - sh -c "! grep '^\[' /tmp/cppcheck.cppcheck"
# run extra tests
  - tools/generate_and_run_more_tests.sh
# check test/cfg
  - make checkcfg
  - make validateCFG
  - cd ./gui
# clean rebuild
  - git clean -dfx .
# can't set this as env flags, so try again with HAVE_RULES=yes
  - qmake HAVE_RULES=yes
  - echo $CXXFLAGS
  - make -s -j4
  - cd ../
# note: trusty on travis has python pygments disabled so disable these tests on travis
## check htmlreport stuff
#  - ./htmlreport/test_htmlreport.py
#  - cd htmlreport
#  - ./check.sh
#  - cd ../
# check if DESTDIR works  TODO: actually execute this
  - mkdir install_test
  - echo $CXXFLAGS
  - make -s DESTDIR=install_test install
# rm everything
  - git clean -dfx
# check what happens if we want to install it to some other dir,
  - echo $CXXFLAGS
  - make -s SRCDIR=build CFGDIR=/usr/share/cppcheck/cfg -j 4
  - sudo make SRCDIR=build CFGDIR=/usr/share/cppcheck/cfg install
  - sudo mkdir -p /usr/share/cppcheck/cfg
  - sudo install -D ./cfg/* -t /usr/share/cppcheck/cfg
# check if it actually works:
  - /usr/bin/cppcheck ./cli
# check if reduce tool compiles
  - echo $CXXFLAGS
  - make -s reduce -j 4
# check if showtime=top5 works
  - ./tools/test_showtimetop5.sh
# check the files in cgf dir with xmllint
  - xmllint --noout cfg/*
# check matchcompiler
  - ./tools/test_matchcompiler.py
# check --dump
  - ${CPPCHECK} test/testpreprocessor.cpp --dump
  - xmllint --noout test/testpreprocessor.cpp.dump
# check addons/misra.py
  - cd addons/test
  - ${CPPCHECK} --dump misc-test.cpp
  - python3 ../misc.py -verify misc-test.cpp.dump
  - ${CPPCHECK} --dump cert-test.c
  - python3 ../cert.py -verify cert-test.c.dump
  - ${CPPCHECK} --dump misra-test.c
  - python3 ../misra.py -verify misra-test.c.dump
  - ${CPPCHECK} --dump misra-test.cpp
  - python3 ../misra.py -verify misra-test.cpp.dump
  - cd ../../


notifications:
  irc:
    channels:
      - "irc.freenode.org#cppcheck"
    template:
      - "[%{commit} : %{author}] %{message}"
      - "%{build_url}"
    skip_join: true