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Diffstat (limited to 'fluent-bit/lib/jansson-e23f558/cmake/CoverallsGenerateGcov.cmake')
| -rw-r--r-- | fluent-bit/lib/jansson-e23f558/cmake/CoverallsGenerateGcov.cmake | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/fluent-bit/lib/jansson-e23f558/cmake/CoverallsGenerateGcov.cmake b/fluent-bit/lib/jansson-e23f558/cmake/CoverallsGenerateGcov.cmake new file mode 100644 index 000000000..c4da8fbdf --- /dev/null +++ b/fluent-bit/lib/jansson-e23f558/cmake/CoverallsGenerateGcov.cmake @@ -0,0 +1,380 @@ +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. +# +# Copyright (C) 2014 Joakim Söderberg <joakim.soderberg@gmail.com> +# +# This is intended to be run by a custom target in a CMake project like this. +# 0. Compile program with coverage support. +# 1. Clear coverage data. (Recursively delete *.gcda in build dir) +# 2. Run the unit tests. +# 3. Run this script specifying which source files the coverage should be performed on. +# +# This script will then use gcov to generate .gcov files in the directory specified +# via the COV_PATH var. This should probably be the same as your cmake build dir. +# +# It then parses the .gcov files to convert them into the Coveralls JSON format: +# https://coveralls.io/docs/api +# +# Example for running as standalone CMake script from the command line: +# (Note it is important the -P is at the end...) +# $ cmake -DCOV_PATH=$(pwd) +# -DCOVERAGE_SRCS="catcierge_rfid.c;catcierge_timer.c" +# -P ../cmake/CoverallsGcovUpload.cmake +# +CMAKE_MINIMUM_REQUIRED(VERSION 2.8) + + +# +# Make sure we have the needed arguments. +# +if (NOT COVERALLS_OUTPUT_FILE) + message(FATAL_ERROR "Coveralls: No coveralls output file specified. Please set COVERALLS_OUTPUT_FILE") +endif() + +if (NOT COV_PATH) + message(FATAL_ERROR "Coveralls: Missing coverage directory path where gcov files will be generated. Please set COV_PATH") +endif() + +if (NOT COVERAGE_SRCS) + message(FATAL_ERROR "Coveralls: Missing the list of source files that we should get the coverage data for COVERAGE_SRCS") +endif() + +if (NOT PROJECT_ROOT) + message(FATAL_ERROR "Coveralls: Missing PROJECT_ROOT.") +endif() + +# Since it's not possible to pass a CMake list properly in the +# "1;2;3" format to an external process, we have replaced the +# ";" with "*", so reverse that here so we get it back into the +# CMake list format. +string(REGEX REPLACE "\\*" ";" COVERAGE_SRCS ${COVERAGE_SRCS}) + +find_program(GCOV_EXECUTABLE gcov) + +if (NOT GCOV_EXECUTABLE) + message(FATAL_ERROR "gcov not found! Aborting...") +endif() + +find_package(Git) + +# TODO: Add these git things to the coveralls json. +if (GIT_FOUND) + # Branch. + execute_process( + COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref HEAD + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + OUTPUT_VARIABLE GIT_BRANCH + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + + macro (git_log_format FORMAT_CHARS VAR_NAME) + execute_process( + COMMAND ${GIT_EXECUTABLE} log -1 --pretty=format:%${FORMAT_CHARS} + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + OUTPUT_VARIABLE ${VAR_NAME} + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + endmacro() + + git_log_format(an GIT_AUTHOR_EMAIL) + git_log_format(ae GIT_AUTHOR_EMAIL) + git_log_format(cn GIT_COMMITTER_NAME) + git_log_format(ce GIT_COMMITTER_EMAIL) + git_log_format(B GIT_COMMIT_MESSAGE) + + message("Git exe: ${GIT_EXECUTABLE}") + message("Git branch: ${GIT_BRANCH}") + message("Git author: ${GIT_AUTHOR_NAME}") + message("Git e-mail: ${GIT_AUTHOR_EMAIL}") + message("Git committer name: ${GIT_COMMITTER_NAME}") + message("Git committer e-mail: ${GIT_COMMITTER_EMAIL}") + message("Git commit message: ${GIT_COMMIT_MESSAGE}") + +endif() + +############################# Macros ######################################### + +# +# This macro converts from the full path format gcov outputs: +# +# /path/to/project/root/build/#path#to#project#root#subdir#the_file.c.gcov +# +# to the original source file path the .gcov is for: +# +# /path/to/project/root/subdir/the_file.c +# +macro(get_source_path_from_gcov_filename _SRC_FILENAME _GCOV_FILENAME) + + # /path/to/project/root/build/#path#to#project#root#subdir#the_file.c.gcov + # -> + # #path#to#project#root#subdir#the_file.c.gcov + get_filename_component(_GCOV_FILENAME_WEXT ${_GCOV_FILENAME} NAME) + + # #path#to#project#root#subdir#the_file.c.gcov -> /path/to/project/root/subdir/the_file.c + string(REGEX REPLACE "\\.gcov$" "" SRC_FILENAME_TMP ${_GCOV_FILENAME_WEXT}) + string(REGEX REPLACE "\#" "/" SRC_FILENAME_TMP ${SRC_FILENAME_TMP}) + set(${_SRC_FILENAME} "${SRC_FILENAME_TMP}") +endmacro() + +############################################################################## + +# Get the coverage data. +file(GLOB_RECURSE GCDA_FILES "${COV_PATH}/*.gcda") +message("GCDA files:") + +# Get a list of all the object directories needed by gcov +# (The directories the .gcda files and .o files are found in) +# and run gcov on those. +foreach(GCDA ${GCDA_FILES}) + message("Process: ${GCDA}") + message("------------------------------------------------------------------------------") + get_filename_component(GCDA_DIR ${GCDA} PATH) + + # + # The -p below refers to "Preserve path components", + # This means that the generated gcov filename of a source file will + # keep the original files entire filepath, but / is replaced with #. + # Example: + # + # /path/to/project/root/build/CMakeFiles/the_file.dir/subdir/the_file.c.gcda + # ------------------------------------------------------------------------------ + # File '/path/to/project/root/subdir/the_file.c' + # Lines executed:68.34% of 199 + # /path/to/project/root/subdir/the_file.c:creating '#path#to#project#root#subdir#the_file.c.gcov' + # + # If -p is not specified then the file is named only "the_file.c.gcov" + # + execute_process( + COMMAND ${GCOV_EXECUTABLE} -p -o ${GCDA_DIR} ${GCDA} + WORKING_DIRECTORY ${COV_PATH} + ) +endforeach() + +# TODO: Make these be absolute path +file(GLOB ALL_GCOV_FILES ${COV_PATH}/*.gcov) + +# Get only the filenames to use for filtering. +#set(COVERAGE_SRCS_NAMES "") +#foreach (COVSRC ${COVERAGE_SRCS}) +# get_filename_component(COVSRC_NAME ${COVSRC} NAME) +# message("${COVSRC} -> ${COVSRC_NAME}") +# list(APPEND COVERAGE_SRCS_NAMES "${COVSRC_NAME}") +#endforeach() + +# +# Filter out all but the gcov files we want. +# +# We do this by comparing the list of COVERAGE_SRCS filepaths that the +# user wants the coverage data for with the paths of the generated .gcov files, +# so that we only keep the relevant gcov files. +# +# Example: +# COVERAGE_SRCS = +# /path/to/project/root/subdir/the_file.c +# +# ALL_GCOV_FILES = +# /path/to/project/root/build/#path#to#project#root#subdir#the_file.c.gcov +# /path/to/project/root/build/#path#to#project#root#subdir#other_file.c.gcov +# +# Result should be: +# GCOV_FILES = +# /path/to/project/root/build/#path#to#project#root#subdir#the_file.c.gcov +# +set(GCOV_FILES "") +#message("Look in coverage sources: ${COVERAGE_SRCS}") +message("\nFilter out unwanted GCOV files:") +message("===============================") + +set(COVERAGE_SRCS_REMAINING ${COVERAGE_SRCS}) + +foreach (GCOV_FILE ${ALL_GCOV_FILES}) + + # + # /path/to/project/root/build/#path#to#project#root#subdir#the_file.c.gcov + # -> + # /path/to/project/root/subdir/the_file.c + get_source_path_from_gcov_filename(GCOV_SRC_PATH ${GCOV_FILE}) + + # Is this in the list of source files? + # TODO: We want to match against relative path filenames from the source file root... + list(FIND COVERAGE_SRCS ${GCOV_SRC_PATH} WAS_FOUND) + + if (NOT WAS_FOUND EQUAL -1) + message("YES: ${GCOV_FILE}") + list(APPEND GCOV_FILES ${GCOV_FILE}) + + # We remove it from the list, so we don't bother searching for it again. + # Also files left in COVERAGE_SRCS_REMAINING after this loop ends should + # have coverage data generated from them (no lines are covered). + list(REMOVE_ITEM COVERAGE_SRCS_REMAINING ${GCOV_SRC_PATH}) + else() + message("NO: ${GCOV_FILE}") + endif() +endforeach() + +# TODO: Enable setting these +set(JSON_SERVICE_NAME "travis-ci") +set(JSON_SERVICE_JOB_ID $ENV{TRAVIS_JOB_ID}) + +set(JSON_TEMPLATE +"{ + \"service_name\": \"\@JSON_SERVICE_NAME\@\", + \"service_job_id\": \"\@JSON_SERVICE_JOB_ID\@\", + \"source_files\": \@JSON_GCOV_FILES\@ +}" +) + +set(SRC_FILE_TEMPLATE +"{ + \"name\": \"\@GCOV_SRC_REL_PATH\@\", + \"source\": \"\@GCOV_FILE_SOURCE\@\", + \"coverage\": \@GCOV_FILE_COVERAGE\@ +}" +) + +message("\nGenerate JSON for files:") +message("=========================") + +set(JSON_GCOV_FILES "[") + +# Read the GCOV files line by line and get the coverage data. +foreach (GCOV_FILE ${GCOV_FILES}) + + get_source_path_from_gcov_filename(GCOV_SRC_PATH ${GCOV_FILE}) + file(RELATIVE_PATH GCOV_SRC_REL_PATH "${PROJECT_ROOT}" "${GCOV_SRC_PATH}") + + # Loads the gcov file as a list of lines. + file(STRINGS ${GCOV_FILE} GCOV_LINES) + + # Instead of trying to parse the source from the + # gcov file, simply read the file contents from the source file. + # (Parsing it from the gcov is hard because C-code uses ; in many places + # which also happens to be the same as the CMake list delimiter). + file(READ ${GCOV_SRC_PATH} GCOV_FILE_SOURCE) + + string(REPLACE "\\" "\\\\" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + string(REGEX REPLACE "\"" "\\\\\"" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + string(REPLACE "\t" "\\\\t" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + string(REPLACE "\r" "\\\\r" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + string(REPLACE "\n" "\\\\n" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + # According to http://json.org/ these should be escaped as well. + # Don't know how to do that in CMake however... + #string(REPLACE "\b" "\\\\b" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + #string(REPLACE "\f" "\\\\f" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + #string(REGEX REPLACE "\u([a-fA-F0-9]{4})" "\\\\u\\1" GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}") + + # We want a json array of coverage data as a single string + # start building them from the contents of the .gcov + set(GCOV_FILE_COVERAGE "[") + + foreach (GCOV_LINE ${GCOV_LINES}) + # Example of what we're parsing: + # Hitcount |Line | Source + # " 8: 26: if (!allowed || (strlen(allowed) == 0))" + string(REGEX REPLACE + "^([^:]*):([^:]*):(.*)$" + "\\1;\\2;\\3" + RES + "${GCOV_LINE}") + + list(LENGTH RES RES_COUNT) + if (RES_COUNT GREATER 2) + list(GET RES 0 HITCOUNT) + list(GET RES 1 LINE) + list(GET RES 2 SOURCE) + + string(STRIP ${HITCOUNT} HITCOUNT) + string(STRIP ${LINE} LINE) + + # Lines with 0 line numbers are metadata and can be ignored. + if (NOT ${LINE} EQUAL 0) + + # Translate the hitcount into valid JSON values. + if (${HITCOUNT} STREQUAL "#####") + set(GCOV_FILE_COVERAGE "${GCOV_FILE_COVERAGE}0, ") + elseif (${HITCOUNT} STREQUAL "-") + set(GCOV_FILE_COVERAGE "${GCOV_FILE_COVERAGE}null, ") + else() + set(GCOV_FILE_COVERAGE "${GCOV_FILE_COVERAGE}${HITCOUNT}, ") + endif() + # TODO: Look for LCOV_EXCL_LINE in SOURCE to get rid of false positives. + endif() + else() + message(WARNING "Failed to properly parse line --> ${GCOV_LINE}") + endif() + endforeach() + + # Advanced way of removing the trailing comma in the JSON array. + # "[1, 2, 3, " -> "[1, 2, 3" + string(REGEX REPLACE ",[ ]*$" "" GCOV_FILE_COVERAGE ${GCOV_FILE_COVERAGE}) + + # Append the trailing ] to complete the JSON array. + set(GCOV_FILE_COVERAGE "${GCOV_FILE_COVERAGE}]") + + # Generate the final JSON for this file. + message("Generate JSON for file: ${GCOV_SRC_REL_PATH}...") + string(CONFIGURE ${SRC_FILE_TEMPLATE} FILE_JSON) + + set(JSON_GCOV_FILES "${JSON_GCOV_FILES}${FILE_JSON}, ") +endforeach() + +# Loop through all files we couldn't find any coverage for +# as well, and generate JSON for those as well with 0% coverage. +foreach(NOT_COVERED_SRC ${COVERAGE_SRCS_REMAINING}) + + # Loads the source file as a list of lines. + file(STRINGS ${NOT_COVERED_SRC} SRC_LINES) + + set(GCOV_FILE_COVERAGE "[") + set(GCOV_FILE_SOURCE "") + + foreach (SOURCE ${SRC_LINES}) + set(GCOV_FILE_COVERAGE "${GCOV_FILE_COVERAGE}0, ") + + string(REPLACE "\\" "\\\\" SOURCE "${SOURCE}") + string(REGEX REPLACE "\"" "\\\\\"" SOURCE "${SOURCE}") + string(REPLACE "\t" "\\\\t" SOURCE "${SOURCE}") + string(REPLACE "\r" "\\\\r" SOURCE "${SOURCE}") + set(GCOV_FILE_SOURCE "${GCOV_FILE_SOURCE}${SOURCE}\\n") + endforeach() + + # Remove trailing comma, and complete JSON array with ] + string(REGEX REPLACE ",[ ]*$" "" GCOV_FILE_COVERAGE ${GCOV_FILE_COVERAGE}) + set(GCOV_FILE_COVERAGE "${GCOV_FILE_COVERAGE}]") + + # Generate the final JSON for this file. + message("Generate JSON for non-gcov file: ${NOT_COVERED_SRC}...") + string(CONFIGURE ${SRC_FILE_TEMPLATE} FILE_JSON) + set(JSON_GCOV_FILES "${JSON_GCOV_FILES}${FILE_JSON}, ") +endforeach() + +# Get rid of trailing comma. +string(REGEX REPLACE ",[ ]*$" "" JSON_GCOV_FILES ${JSON_GCOV_FILES}) +set(JSON_GCOV_FILES "${JSON_GCOV_FILES}]") + +# Generate the final complete JSON! +message("Generate final JSON...") +string(CONFIGURE ${JSON_TEMPLATE} JSON) + +file(WRITE "${COVERALLS_OUTPUT_FILE}" "${JSON}") +message("###########################################################################") +message("Generated coveralls JSON containing coverage data:") +message("${COVERALLS_OUTPUT_FILE}") +message("###########################################################################") + |