language: cpp
dist: xenial

compiler:
  - gcc
  - clang

env:
  global:
    - ORIGINAL_CXXFLAGS="-pedantic -Wall -Wextra -Wcast-qual -Wno-deprecated-declarations -Wfloat-equal -Wmissing-declarations -Wmissing-format-attribute -Wno-long-long -Wpacked -Wredundant-decls -Wundef -Wno-shadow -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare -Wno-multichar -D_GLIBCXX_DEBUG -g"
#   unfortunately we need this to stay within 50min timelimit given by travis.
    - CXXFLAGS="${ORIGINAL_CXXFLAGS} -O2 -march=native -Wstrict-aliasing=2 -Werror=strict-aliasing"
    - CPPCHECK=${TRAVIS_BUILD_DIR}/cppcheck
  matrix:
    - CXXFLAGS="${CXXFLAGS} -DCHECK_INTERNAL"
    - CXXFLAGS="${CXXFLAGS} -DCHECK_INTERNAL" MAKEFLAGS="HAVE_RULES=yes" MATCHCOMPILER=yes VERIFY=1

before_install:
# Python 2 modules
 - travis_retry python2 -m pip install --user pytest==4.6.4
 - travis_retry python2 -m pip install --user unittest2
 - travis_retry python2 -m pip install --user pexpect # imported by tools/ci.py
 - travis_retry python2 -m pip install --user pygments
# Python 3 modules
 - travis_retry python3 -m pip install --user setuptools --upgrade
 - travis_retry python3 -m pip install --user pytest
 - travis_retry python3 -m pip install --user unittest2
 - travis_retry python3 -m pip install --user pexpect # imported by tools/ci.py
 - travis_retry python3 -m pip install --user requests # imported by tools/pr.py
 - travis_retry python3 -m pip install --user pygments
 - travis_retry python3 -m pip install --user natsort

matrix:
# do notify immediately about it when a job of a build fails.
  fast_finish: true
# defined extra jobs that run besides what is configured in the build matrix
  include:

# check a lot of stuff that only needs to be checked in a single configuration
    - name: "misc"
      compiler: clang
      script:
        - make -j$(nproc) -s
# check if DESTDIR works  TODO: actually execute this
        - mkdir install_test
        - echo $CXXFLAGS
        - make -s DESTDIR=install_test FILESDIR=/usr/share/cppcheck install
# rm everything
        - git clean -dfx
# check what happens if we want to install it to some other dir,
        - echo $CXXFLAGS
        - make -s MATCHCOMPILER=yes FILESDIR=/usr/share/cppcheck -j$(nproc)
        - sudo make MATCHCOMPILER=yes FILESDIR=/usr/share/cppcheck install
# check if it actually works:
        - /usr/bin/cppcheck -j$(nproc) ./cli
# check addons/misc.py
        - cd addons/test
        - ${CPPCHECK} --dump misc-test.cpp
        - python3 ../misc.py -verify misc-test.cpp.dump
        - cd ../../
# check addons/misra.py
        - cd addons/test
        # We'll force C89 standard to enable an additional verification for
        # rules 5.4 and 5.5 which have standard-dependent options.
        - ${CPPCHECK} --dump -DDUMMY --suppress=uninitvar --suppress=uninitStructMember --std=c89 misra/misra-test.c
        - ${CPPCHECK} --dump -DDUMMY --suppress=uninitvar --suppress=uninitStructMember --std=c89 misra/misra-test.h
        - python3 ../misra.py -verify misra/misra-test.c.dump
        - ${CPPCHECK} --dump misra/misra-test.cpp
        - python3 ../misra.py -verify misra/misra-test.cpp.dump
        - python ../misra.py --rule-texts=misra/misra2012_rules_dummy_ascii.txt -verify misra/misra-test.cpp.dump
        - python3 ../misra.py --rule-texts=misra/misra2012_rules_dummy_ascii.txt -verify misra/misra-test.cpp.dump
        - python ../misra.py --rule-texts=misra/misra2012_rules_dummy_utf8.txt -verify misra/misra-test.cpp.dump
        - python3 ../misra.py --rule-texts=misra/misra2012_rules_dummy_utf8.txt -verify misra/misra-test.cpp.dump
        - python ../misra.py --rule-texts=misra/misra2012_rules_dummy_windows1250.txt -verify misra/misra-test.cpp.dump
        - python3 ../misra.py --rule-texts=misra/misra2012_rules_dummy_windows1250.txt -verify misra/misra-test.cpp.dump
        - cd ../../
# check addons/naming.py
        - cd addons/test
        - ${CPPCHECK} --dump naming_test.c
        - python3 ../naming.py --var='[a-z].*' --function='[a-z].*' naming_test.c.dump
        - ${CPPCHECK} --dump naming_test.cpp
        - python3 ../naming.py --var='[a-z].*' --function='[a-z].*' naming_test.cpp.dump
        - cd ../..
# check addons/namingng.py
        - cd addons/test
        - ${CPPCHECK} --dump namingng_test.c
        - python3 ../namingng.py --configfile ../naming.json --verify namingng_test.c.dump
        - cd ../..

script:
# fail the entire job as soon as one of the subcommands exits non-zero to save time and resources
  - set -e
# check with TEST_MATHLIB_VALUE enabled
  - touch lib/mathlib.cpp test/testmathlib.cpp
  - echo $CXXFLAGS
  - make -s check -j$(nproc) CPPFLAGS=-DTEST_MATHLIB_VALUE
  - touch lib/mathlib.cpp test/testmathlib.cpp
# compile cppcheck, default build
  - echo $CXXFLAGS
  - make -s check -j$(nproc)