0033818: Data Exchange - Regenerate flex file with latest version

Regenerated bison and Flex files.
  Flex: 2.6.4 dev (august 2024)
  Bison: 3.7.4 release

.github/workflows/build-linux-clang-x64-dynamic.yml

@@ -0,0 +1,40 @@
+# This workflow will build OCCT on Ubuntu with Clang compiler
+# using the provided Docker image with Clang tools.
+#
+# Notes:
+# freetype is disabled
+# samples are not built
+
+name: Build OCCT on Linux with Clang x64 dynamic
+
+on:
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  build-linux-clang:
+    name: Build on Ubuntu with Clang
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+
+    - name: Install dependencies
+      run: sudo apt-get update && sudo apt-get install -y tcl-dev tk-dev cmake clang make libbtbb-dev libx11-dev libglu1-mesa-dev
+
+    - name: Configure OCCT
+      run: |
+        mkdir -p build
+        cd build
+        cmake -G "Unix Makefiles" \
+              -D CMAKE_C_COMPILER=clang \
+              -D CMAKE_CXX_COMPILER=clang++ \
+              -D USE_FREETYPE=OFF \
+              -D CMAKE_BUILD_TYPE=Release ..
+
+    - name: Build OCCT
+      run: |
+        cd build
+        make -j$(nproc)

.github/workflows/build-linux-gcc-x64-dynamic.yml

@@ -0,0 +1,40 @@
+# This workflow will build OCCT on Linux with GCC x64 dynamic
+# using the provided Docker image with GCC tools.
+#
+# Notes:
+# freetype is disabled
+# samples are not built
+
+name: Build OCCT on Linux with GCC x64 dynamic
+
+on:
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  build-linux-gcc:
+    name: Build on Ubuntu with GCC
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+
+    - name: Install dependencies
+      run: sudo apt-get update && sudo apt-get install -y tcl-dev tk-dev cmake gcc g++ make libbtbb-dev libx11-dev libglu1-mesa-dev
+
+    - name: Configure OCCT
+      run: |
+        mkdir -p build
+        cd build
+        cmake -G "Unix Makefiles" \
+              -D CMAKE_C_COMPILER=gcc \
+              -D CMAKE_CXX_COMPILER=g++ \
+              -D USE_FREETYPE=OFF \
+              -D CMAKE_BUILD_TYPE=Release ..
+
+    - name: Build OCCT
+      run: |
+        cd build
+        make -j$(nproc)

.github/workflows/build-macos-clang-x64-dynamic.yml

@@ -0,0 +1,43 @@
+# This workflow builds OCCT on macOS with Clang x64 dynamic.
+#
+# Notes:
+# freetype is disabled
+# samples are not built
+
+name: Build OCCT on macOS with Clang x64 dynamic
+
+on:
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  build-macos-clang:
+    name: Build on macOS with Clang
+    runs-on: macos-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+
+    - name: Install dependencies
+      run: |
+        brew update
+        brew install tcl-tk tbb gl2ps xerces-c \
+                     libxmu libxi libxft libxpm \
+                     glew
+
+    - name: Configure OCCT
+      run: |
+        mkdir -p build
+        cd build
+        cmake -G "Unix Makefiles" \
+              -D CMAKE_C_COMPILER=clang \
+              -D CMAKE_CXX_COMPILER=clang++ \
+              -D USE_FREETYPE=OFF \
+              -D CMAKE_BUILD_TYPE=Release ..
+
+    - name: Build OCCT
+      run: |
+        cd build
+        make -j$(sysctl -n hw.logicalcpu)

.github/workflows/build-windows-msvc-x64-dynamic.yml

@@ -0,0 +1,44 @@
+# This workflow will build OCCT on Windows with MSVC x64 in dynamic mode
+# using the provided Docker image with MSVC tools.
+#
+# Notes:
+# freetype is disabled
+# Draw module is disabled
+# samples are not built
+
+name: Build OCCT on Windows with MSVC x64 dynamic
+
+on:
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  build-windows-msvc:
+    name: Build on Windows with MSVC
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+
+    - name: Set up MSVC
+      uses: ilammy/msvc-dev-cmd@v1.13.0
+      with:
+        arch: x64
+
+    - name: Install dependencies
+      run: |
+        choco install cmake --installargs 'ADD_CMAKE_TO_PATH=System' -y
+        choco install magicsplat-tcl-tk -y
+
+    - name: Configure OCCT
+      run: |
+        mkdir build
+        cd build
+        cmake -T host=x64 -D USE_FREETYPE=OFF -D BUILD_MODULE_Draw=OFF -D CMAKE_BUILD_TYPE=Release ..
+
+    - name: Build OCCT
+      run: |
+        cd build
+        cmake --build . --config Release -- /m

.github/workflows/codemsvc.yml

@@ -0,0 +1,62 @@
+# Security scanning with Microsoft C++ Code Analysis.
+# Checks any master integration and publish warnings into security GitHub tab.
+#
+# Find more information at:
+# https://github.com/microsoft/msvc-code-analysis-action
+
+name: Microsoft C++ Code Analysis
+
+on:
+  push:
+    branches:
+      - 'master'
+
+env:
+  # Path to the CMake build directory.
+  build: '${{ github.workspace }}/build'
+  config: 'Debug'
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
+      actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
+    name: Analyze
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4.1.7
+
+      - name: Install dependencies
+        run: |
+            choco install cmake --installargs 'ADD_CMAKE_TO_PATH=System' -y
+            choco install magicsplat-tcl-tk -y
+          
+      - name: Configure CMake
+        run: |
+          mkdir build
+          cd build
+          cmake -D USE_FREETYPE=OFF -DCMAKE_BUILD_TYPE=${{ env.config }} ..
+
+      - name: Run MSVC Code Analysis
+        uses: microsoft/msvc-code-analysis-action@v0.1.1
+        # Provide a unique ID to access the sarif output path
+        id: run-analysis
+        with:
+          cmakeBuildDirectory: ${{ env.build }}
+          buildConfiguration: ${{ env.config }}
+          # Ruleset file that will determine what checks will be run
+          ruleset: NativeRecommendedRules.ruleset
+          # Paths to ignore analysis of CMake targets and includes
+          # ignoredPaths: ${{ github.workspace }}/dependencies;${{ github.workspace }}/test
+
+      # Upload SARIF file to GitHub Code Scanning Alerts
+      - name: Upload SARIF to GitHub
+        uses: github/codeql-action/upload-sarif@v3.26.5
+        with:
+          sarif_file: ${{ steps.run-analysis.outputs.sarif }}

.github/workflows/codeql.yml

@@ -0,0 +1,60 @@
+# Security scanning with CodeQL.
+# Checks any master integration and publish warnings into security GitHub tab.
+#
+# Find more information at:
+# https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/about-code-scanning
+
+name: CodeQL Code Analysis
+
+on:
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ${{ 'ubuntu-latest' }}
+    permissions:
+      # required for all workflows
+      security-events: write
+
+      # required to fetch internal or private CodeQL packs
+      packages: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - language: c-cpp
+          build-mode: manual
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+
+    - name: Install dependencies
+      run: sudo apt-get update && sudo apt-get install -y tcl-dev tk-dev cmake gcc g++ make libbtbb-dev libx11-dev libglu1-mesa-dev
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3.26.5
+      with:
+        languages: ${{ matrix.language }}
+        build-mode: ${{ matrix.build-mode }}
+
+    - if: matrix.build-mode == 'manual'
+      shell: bash
+      run: |
+        mkdir -p build
+        cd build
+        cmake -G "Unix Makefiles" \
+              -D CMAKE_C_COMPILER=gcc \
+              -D CMAKE_CXX_COMPILER=g++ \
+              -D USE_FREETYPE=OFF \
+              -D CMAKE_BUILD_TYPE=Release ..
+        make -j$(nproc)
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3.26.5
+      with:
+        category: "/language:${{matrix.language}}"

.gitignore

@@ -1,6 +1,7 @@
 
 # standard directories for derived files in CASROOT
 /.adm
+/.vscode
 /lin
 /mac
 /wnt

adm/cmake/3rdparty_macro.cmake

@@ -19,7 +19,7 @@ macro (THIRDPARTY_PRODUCT PRODUCT_NAME HEADER_NAME LIBRARY_CSF_NAME LIBRARY_NAME
   # include occt macros. compiler_bitness, os_wiht_bit, compiler
   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/occt_macros")
 
-  # specify product folder in connectin with 3RDPARTY_DIR
+  # specify product folder in connection with 3RDPARTY_DIR
   if (3RDPARTY_DIR AND EXISTS "${3RDPARTY_DIR}")
     #CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_DIR 3RDPARTY_${PRODUCT_NAME}_DIR PATH "The directory containing ${PRODUCT_NAME}")
 

adm/cmake/bison.cmake

@@ -12,7 +12,7 @@ if (NOT BISON_EXECUTABLE OR NOT EXISTS "${BISON_EXECUTABLE}")
 endif()
 
 # Add paths to 3rdparty subfolders containing name "bison" to CMAKE_PROGRAM_PATH variable to make
-# these paths searhed by find_package
+# these paths searched by find_package
 if (3RDPARTY_DIR)
   file (GLOB BISON_PATHS LIST_DIRECTORIES true "${3RDPARTY_DIR}/*bison*/")
   foreach (candidate_path ${BISON_PATHS})

adm/cmake/cotire.cmake

@@ -2580,7 +2580,7 @@ function (cotire_setup_target_pch_usage _languages _target _wholeTarget)
 			message (STATUS "add_custom_command: TARGET ${_target} PRE_BUILD ${_cmds}")
 		endif()
 		# because CMake PRE_BUILD command does not support dependencies,
-		# we check dependencies explicity in cotire script mode when the pre-build action is run
+		# we check dependencies explicitly in cotire script mode when the pre-build action is run
 		add_custom_command(
 			TARGET "${_target}"
 			PRE_BUILD ${_cmds}
@@ -2637,7 +2637,7 @@ function (cotire_setup_unity_generation_commands _language _target _targetScript
 		endif()
 		if (WIN32 AND CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
 			# unity file compilation results in potentially huge object file,
-			# thus use /bigobj by default unter cl.exe and Windows Intel
+			# thus use /bigobj by default under cl.exe and Windows Intel
 			set_property (SOURCE "${_unityFile}" APPEND_STRING PROPERTY COMPILE_FLAGS "/bigobj")
 		endif()
 		cotire_set_cmd_to_prologue(_unityCmd)

adm/cmake/flex.cmake

@@ -15,7 +15,7 @@ if (NOT FLEX_INCLUDE_DIR OR NOT EXISTS "${FLEX_INCLUDE_DIR}")
 endif()
 
 # Add paths to 3rdparty subfolders containing name "flex" to CMAKE_PROGRAM_PATH and 
-# CMAKE_INCLUDE_PATH variables to make these paths searhed by find_package
+# CMAKE_INCLUDE_PATH variables to make these paths searched by find_package
 if (3RDPARTY_DIR)
   file (GLOB FLEX_PATHS LIST_DIRECTORIES true "${3RDPARTY_DIR}/*flex*")
   foreach (candidate_path ${FLEX_PATHS})

adm/cmake/freetype.cmake

@@ -14,7 +14,7 @@ OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/occt_macros")
 OCCT_MAKE_COMPILER_SHORT_NAME()
 OCCT_MAKE_COMPILER_BITNESS()
 
-# specify freetype folder in connectin with 3RDPARTY_DIR
+# specify freetype folder in connection with 3RDPARTY_DIR
 if (3RDPARTY_DIR AND EXISTS "${3RDPARTY_DIR}")
   #CHECK_PATH_FOR_CONSISTENCY (3RDPARTY_DIR 3RDPARTY_FREETYPE_DIR PATH "The directory containing freetype")
 

adm/cmake/occt_defs_flags.cmake

@@ -168,7 +168,7 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "[Cc][Ll][Aa][Nn][Gg]")
     set (CMAKE_CXX_FLAGS "-stdlib=libc++ ${CMAKE_CXX_FLAGS}")
   endif()
   # Optimize size of binaries
-  set (CMAKE_SHARED_LINKER_FLAGS "-Wl,-s ${CMAKE_SHARED_LINKER_FLAGS}")
+  set (CMAKE_SHARED_LINKER_FLAGS_RELEASE "-Wl,-s ${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
 elseif(MINGW)
   add_definitions(-D_WIN32_WINNT=0x0601)
   # _WIN32_WINNT=0x0601 (use Windows 7 SDK)

adm/cmake/occt_toolkit.cmake

@@ -107,8 +107,8 @@ foreach (OCCT_PACKAGE ${USED_PACKAGES})
 
           # choose appropriate extension for generated files: "cxx" if source file contains
           # instruction to generate C++ code, "c" otherwise
-          set (BISON_OUTPUT_FILE_EXT "c")
-          set (FLEX_OUTPUT_FILE_EXT "c")
+          set (BISON_OUTPUT_FILE_EXT "cxx")
+          set (FLEX_OUTPUT_FILE_EXT "cxx")
           file (STRINGS "${CURRENT_BISON_FILE}" FILE_BISON_CONTENT)
           foreach (FILE_BISON_CONTENT_LINE ${FILE_BISON_CONTENT})
             string (REGEX MATCH "%language \"C\\+\\+\"" CXX_BISON_LANGUAGE_FOUND ${FILE_BISON_CONTENT_LINE})
@@ -479,8 +479,8 @@ if (BUILD_SHARED_LIBS OR EXECUTABLE_PROJECT)
   if(IS_VTK_9XX)
     string (REGEX REPLACE "vtk" "VTK::" USED_TOOLKITS_BY_CURRENT_PROJECT "${USED_TOOLKITS_BY_CURRENT_PROJECT}")
   endif()
-  target_link_libraries (${PROJECT_NAME} ${USED_TOOLKITS_BY_CURRENT_PROJECT} ${USED_EXTERNAL_LIBS_BY_CURRENT_PROJECT})
 endif()
+target_link_libraries (${PROJECT_NAME} ${USED_TOOLKITS_BY_CURRENT_PROJECT} ${USED_EXTERNAL_LIBS_BY_CURRENT_PROJECT})
 
 if (USE_QT)
   foreach (PROJECT_LIBRARY_DEBUG ${PROJECT_LIBRARIES_DEBUG})

adm/cmake/tbb.cmake

@@ -27,7 +27,7 @@ if (WIN32)
 
   # Below, we have correct 3RDPARTY_DIR.
 
-  # Initialize TBB folder in connectin with 3RDPARTY_DIR.
+  # Initialize TBB folder in connection with 3RDPARTY_DIR.
   if (("${3RDPARTY_TBB_DIR}" STREQUAL "") OR (NOT EXISTS "${3RDPARTY_TBB_DIR}"))
     FIND_PRODUCT_DIR ("${3RDPARTY_DIR}" TBB TBB_DIR_NAME)
     if (TBB_DIR_NAME)
@@ -44,7 +44,7 @@ if (WIN32)
       REQUIRED
       CONFIG)
 
-    # Achive include directory
+    # Archive include directory
     get_target_property (TBB_INCLUDE_DIR TBB::tbb INTERFACE_INCLUDE_DIRECTORIES)
     if (NOT DEFINED 3RDPARTY_TBB_INCLUDE_DIR)
       set (3RDPARTY_TBB_INCLUDE_DIR "" CACHE PATH "The directory containing headers of the TBB")
@@ -56,13 +56,17 @@ if (WIN32)
       list (APPEND 3RDPARTY_NOT_INCLUDED 3RDPARTY_TBB_INCLUDE_DIR)
     endif()
 
+    # Get installed configuration of tbb
+    get_target_property (TARGET_TBB_IMPORT_CONFS TBB::tbb IMPORTED_CONFIGURATIONS)
+    list (GET TARGET_TBB_IMPORT_CONFS 0 CHOSEN_IMPORT_CONF)
+
     separate_arguments (CSF_TBB)
     foreach (LIB IN LISTS CSF_TBB)
       string(TOLOWER "${LIB}" LIB_LOWER)
       string(TOUPPER "${LIB}" LIB_UPPER)
 
-      # Achive *.lib files and directory containing it.
-      get_target_property (TBB_LIB_FILE "TBB::${LIB_LOWER}" IMPORTED_IMPLIB_RELEASE)
+      # Archive *.lib files and directory containing it.
+      get_target_property (TBB_LIB_FILE "TBB::${LIB_LOWER}" IMPORTED_IMPLIB_${CHOSEN_IMPORT_CONF})
       # Reserve cache variable for *.lib.
       if (NOT DEFINED 3RDPARTY_${LIB_UPPER}_LIBRARY)
         set (3RDPARTY_${LIB_UPPER}_LIBRARY "" CACHE FILEPATH "${LIB_UPPER} library (*.lib)")
@@ -88,8 +92,8 @@ if (WIN32)
         list (APPEND 3RDPARTY_NO_LIBS 3RDPARTY_${LIB_UPPER}_LIBRARY_DIR)
       endif()
 
-      # Achive *.dll files and directory containing it.
-      get_target_property (TBB_DLL_FILE "TBB::${LIB_LOWER}" IMPORTED_LOCATION_RELEASE)
+      # Archive *.dll files and directory containing it.
+      get_target_property (TBB_DLL_FILE "TBB::${LIB_LOWER}" IMPORTED_LOCATION_${CHOSEN_IMPORT_CONF})
       # Reserve cache variable for *.dll.
       if (NOT DEFINED 3RDPARTY_${LIB_UPPER}_DLL)
         set (3RDPARTY_${LIB_UPPER}_DLL "" CACHE FILEPATH "${LIB_UPPER} library (*.dll)")
@@ -171,9 +175,9 @@ else ()
     REQUIRED
     CONFIG)
   endif()
-  # TBB has been configured (in other case FATAL_ERROR occures).
+  # TBB has been configured (in other case FATAL_ERROR occurs).
 
-  # Achive include directory.
+  # Archive include directory.
   get_target_property (TBB_INCLUDE_DIR TBB::tbb INTERFACE_INCLUDE_DIRECTORIES)
   if (NOT DEFINED 3RDPARTY_TBB_INCLUDE_DIR)
     set (3RDPARTY_TBB_INCLUDE_DIR "" CACHE PATH "The directory containing headers of the TBB")
@@ -185,13 +189,17 @@ else ()
     list (APPEND 3RDPARTY_NOT_INCLUDED 3RDPARTY_TBB_INCLUDE_DIR)
   endif()
 
+  # Get installed configuration of tbb
+  get_target_property (TARGET_TBB_IMPORT_CONFS TBB::tbb IMPORTED_CONFIGURATIONS)
+  list (GET TARGET_TBB_IMPORT_CONFS 0 CHOSEN_IMPORT_CONF)
+
   separate_arguments (CSF_TBB)
   foreach (LIB IN LISTS CSF_TBB)
     string(TOLOWER "${LIB}" LIB_LOWER)
     string(TOUPPER "${LIB}" LIB_UPPER)
 
-    # Achive *.so files and directory containing it.
-    get_target_property (TBB_SO_FILE "TBB::${LIB_LOWER}" IMPORTED_LOCATION_RELEASE)
+    # Archive *.so files and directory containing it.
+    get_target_property (TBB_SO_FILE "TBB::${LIB_LOWER}" IMPORTED_LOCATION_${CHOSEN_IMPORT_CONF})
     # Reserve cache variable for *.so.
     if (NOT DEFINED 3RDPARTY_${LIB_UPPER}_LIBRARY)
       set (3RDPARTY_${LIB_UPPER}_LIBRARY "" CACHE FILEPATH "${LIB_UPPER} library (*.so)")

adm/upgrade.tcl

@@ -405,7 +405,7 @@ proc Rename {thePath theExtensions theNewNames theCheckMode} {
   }
 }
 
-# @thePackagePath eather file or folder. If it is a folder, 
+# @thePackagePath either file or folder. If it is a folder, 
 # all files with @theHeaderExtensions are processed.
 # "fwd.tcollection" section from upgrade.ini file is used to find out what 
 # classes have been converted and, thus, what forward declarations can be replaced

dox/introduction/introduction.md

@@ -370,7 +370,7 @@ https://dev.opencascade.org/resources/download/3rd-party-components
 | Flex 2.6.4+ and Bison 3.7.1+ | https://sourceforge.net/projects/winflexbison/ | Data Exchange | Updating STEP and ExprIntrp parsers |
 | RapidJSON 1.1+ | https://rapidjson.org/ | Data Exchange | Reading glTF files |
 | Draco 1.4.1+ | https://github.com/google/draco | Data Exchange | Reading compressed glTF files |
-| Tcl/Tk 8.6.3+ | https://www.tcl.tk/software/tcltk/download.html | DRAW Test Harness | Tcl interpretor in Draw module |
+| Tcl/Tk 8.6.3+ | https://www.tcl.tk/software/tcltk/download.html | DRAW Test Harness | Tcl interpreter in Draw module |
 | Qt 5.3.2+ | https://www.qt.io/download/ | Inspector and Samples | Inspector Qt samples and  |
 | Doxygen 1.8.5+ | https://www.doxygen.nl/download.html | Documentation | (Re)generating documentation |
 | Graphviz 2.38+ | https://graphviz.org/ | Documentation | Generating dependency graphs |

dox/user_guides/ocaf/ocaf.md

@@ -763,7 +763,7 @@ filter2->AddSkipped("TDataStd_Integer");
 app->Open("example.cbf", doc, filter2); 
 ~~~~
 
-*PCDM_ReaderFilter::AppendMode_Protect* means that if the loading algorithm finds already existing attribute in the document, it will not be overwritten by attibute from the loading file. If it is needed to
+*PCDM_ReaderFilter::AppendMode_Protect* means that if the loading algorithm finds already existing attribute in the document, it will not be overwritten by attribute from the loading file. If it is needed to
 substitute the existing attributes, the reading mode *PCDM_ReaderFilter::AppendMode_Overwrite* must be used instead.
 
 *AddRead* and *AddSkipped* methods for attributes should not be used in one filter. If it is so, *AddSkipped* attributes are ignored during the read.
@@ -971,7 +971,7 @@ The "correct" history of a used modeling operation serves the basis of naming me
 | Closed wire | Edges | All edges |
 | Opened wire |	Edges and ending vertexes | All edges plus ending vertexes of the wire |
 | Edge | Vertexes |	Two vertexes are expected |
-| Compound or CompSolid	| To be used consequentially the above declared rule applied to all sub-shapes of the first level | Compound/CompSolid to be explored level by level until any the mentioned above types will be met | 
+| Compound or CompSolid	| To be used consequently the above declared rule applied to all sub-shapes of the first level | Compound/CompSolid to be explored level by level until any the mentioned above types will be met | 
 
 The history should return (and track) only elementary types of sub-shapes, i.e. Faces, Edges and Vertexes, while other so-called aggregation types: Compounds, Shells, Wires, are calculated by Selection mechanism automatically.
 

samples/glfw/adm/cmake/FindOpenCASCADE.cmake

@@ -119,7 +119,7 @@ if (OpenCASCADE_INCLUDE_DIR_FOUND AND OpenCASCADE_LIBRARY_DIR_FOUND)
   set (OpenCASCADE_INSTALL_PREFIX ${OpenCASCADE_DIR})
 
   # Define OCCT toolkits so that CMake can put absolute paths to linker;
-  # the library existance is not checked here, since modules can be disabled.
+  # the library existence is not checked here, since modules can be disabled.
   foreach (aLibIter ${OpenCASCADE_TKLIST})
     add_library (${aLibIter} SHARED IMPORTED)
 

samples/mfc/standard/03_ImportExport/CMakeLists.txt

@@ -11,7 +11,7 @@ project (ImportExport)
 add_definitions (-DWINVER=0x0501 -DUNICODE -D_UNICODE)
 set (CMAKE_MFC_FLAG 2)
 
-set (ImportExport_SRC_DIR      ${MFC_STANDARD_SAMPLES_DIR}/05_ImportExport/src)
+set (ImportExport_SRC_DIR      ${MFC_STANDARD_SAMPLES_DIR}/03_ImportExport/src)
 set (ImportExport_HEADER_FILES ${ImportExport_SRC_DIR}/ColoredShapes.h
                                ${ImportExport_SRC_DIR}/ImportExportApp.h
                                ${ImportExport_SRC_DIR}/ImportExportDoc.h
@@ -21,7 +21,7 @@ set (ImportExport_SOURCE_FILES ${ImportExport_SRC_DIR}/ColoredShapes.cpp
                                ${ImportExport_SRC_DIR}/ImportExportDoc.cpp
                                ${ImportExport_SRC_DIR}/StdAfx.cpp)
 
-set (ImportExport_RESOURCE_DIR    ${MFC_STANDARD_SAMPLES_DIR}/05_ImportExport/res)
+set (ImportExport_RESOURCE_DIR    ${MFC_STANDARD_SAMPLES_DIR}/03_ImportExport/res)
 set (ImportExport_RESOURCE_HEADER ${ImportExport_RESOURCE_DIR}/resource.h)
 set (ImportExport_RESOURCE_FILES  ${ImportExport_RESOURCE_DIR}/Toolbar.bmp
                                   ${ImportExport_RESOURCE_DIR}/ImportExport.rc)
@@ -55,7 +55,7 @@ else()
 endif()
 
 include_directories (${CMAKE_BINARY_DIR}/inc
-                     ${MFC_STANDARD_SAMPLES_DIR}/05_ImportExport
+                     ${MFC_STANDARD_SAMPLES_DIR}/03_ImportExport
                      ${ImportExport_SRC_DIR}
                      ${MFC_STANDARD_SAMPLES_DIR}/Common)
 

samples/mfc/standard/04_HLR/CMakeLists.txt

@@ -11,7 +11,7 @@ project (HLR)
 add_definitions(-DWINVER=0x0501 -DUNICODE -D_UNICODE)
 set (CMAKE_MFC_FLAG 2)
 
-set (HLR_SRC_DIR      ${MFC_STANDARD_SAMPLES_DIR}/08_HLR/src)
+set (HLR_SRC_DIR      ${MFC_STANDARD_SAMPLES_DIR}/04_HLR/src)
 set (HLR_HEADER_FILES ${HLR_SRC_DIR}/HLRApp.h
                       ${HLR_SRC_DIR}/HLRDoc.h
                       ${HLR_SRC_DIR}/HLRView2D.h
@@ -23,7 +23,7 @@ set (HLR_SOURCE_FILES ${HLR_SRC_DIR}/HLRApp.cpp
                       ${HLR_SRC_DIR}/SelectionDialog.cpp
                       ${HLR_SRC_DIR}/StdAfx.cpp )
 
-set (HLR_RESOURCE_DIR    ${MFC_STANDARD_SAMPLES_DIR}/08_HLR/res)
+set (HLR_RESOURCE_DIR    ${MFC_STANDARD_SAMPLES_DIR}/04_HLR/res)
 set (HLR_RESOURCE_HEADER ${HLR_RESOURCE_DIR}/resource.h)
 set (HLR_RESOURCE_FILES  ${HLR_RESOURCE_DIR}/axoviewd.bmp
                          ${HLR_RESOURCE_DIR}/axoviewf.bmp

samples/mfc/standard/mfcsample/CMakeLists.txt

@@ -82,7 +82,6 @@ set (COMMON_HEADER_FILES ${MFC_STANDARD_COMMON_SAMPLES_DIR}/AISDialogs.h
                          ${MFC_STANDARD_COMMON_SAMPLES_DIR}/OCC_StereoConfigDlg.h
                          ${MFC_STANDARD_COMMON_SAMPLES_DIR}/ParamsFacesPage.h
                          ${MFC_STANDARD_COMMON_SAMPLES_DIR}/ResultDialog.h
-                         ${MFC_STANDARD_COMMON_SAMPLES_DIR}/User_Cylinder.hxx
                          ${MFC_STANDARD_COMMON_SAMPLES_DIR}/ColoredMeshDlg.h
                          ${MFC_STANDARD_COMMON_SAMPLES_DIR}/DimensionDlg.h
                          ${MFC_STANDARD_COMMON_SAMPLES_DIR}/LengthParamsEdgePage.h

src/APIHeaderSection/APIHeaderSection_MakeHeader.cxx

@@ -31,7 +31,7 @@
 #include <TCollection_HAsciiString.hxx>
 
 #include <stdio.h>
-// This is a generic header for any STEP sheme
+// This is a generic header for any STEP scheme
 static Handle(TCollection_HAsciiString) nulstr;
 static Handle(Interface_HArray1OfHAsciiString) nularr;
 

src/Adaptor3d/Adaptor3d_CurveOnSurface.cxx

@@ -146,7 +146,7 @@ static void Hunt(const TColStd_Array1OfReal& Arr,
 		 const Standard_Real Coord,
 		 Standard_Integer& Iloc)
 {//Warning: Hunt is used to find number of knot which equals coordinate component,
-  //        when coordinate component definitly equals a knot only.
+  //        when coordinate component definitely equals a knot only.
   Standard_Real Tol=Precision::PConfusion()/10;
   Standard_Integer i=1; 
   while((i <= Arr.Upper()) && (Abs(Coord - Arr(i)) > Tol)){
@@ -638,7 +638,7 @@ static void Locate2Coord(const Standard_Integer Index,
   if((DComp > 0)&&(Abs(DComp)>Tol)) {  
     Hunt(Arr,Comp,N);
     if (N >= NUp){
-      //limit case: Hunt() cought upper knot. Take the last span. 
+      //limit case: Hunt() caught upper knot. Take the last span. 
       N = NUp - 1;
     }
     if(Index==1) {  Tmp1=BSplS->UKnot(N);
@@ -659,7 +659,7 @@ static void Locate2Coord(const Standard_Integer Index,
     if((DComp < 0)&&(Abs(DComp)>Tol)){      
      Hunt(Arr,Comp,N);
      if (N <= NLo) {
-       //limit case: Hunt() cought lower knot. Take the first span.
+       //limit case: Hunt() caught lower knot. Take the first span.
        N = NLo + 1;
      }
      if(Index==1) {	  Tmp1=BSplS->UKnot(N-1);

src/Adaptor3d/Adaptor3d_TopolTool.cxx

@@ -559,7 +559,7 @@ Standard_Boolean Adaptor3d_TopolTool::Identical
 #include <gp_Dir.hxx>
 #include <gp_Vec.hxx>
 
-#define myMinPnts 4 //Absolut possible minimum of sample points
+#define myMinPnts 4 //Absolute possible minimum of sample points
                     //Restriction of IntPolyh
 
 

src/Approx/Approx_SweepFunction.hxx

@@ -68,7 +68,7 @@ public:
   //! get the Multplicities of the section
   Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const = 0;
   
-  //! Returns if the sections are rationnal or not
+  //! Returns if the sections are rational or not
   Standard_EXPORT virtual Standard_Boolean IsRational() const = 0;
   
   //! Returns  the number  of  intervals for  continuity

src/Aspect/Aspect_DisplayConnection.hxx

@@ -27,7 +27,7 @@ struct Aspect_XVisualInfo;
 //! This class creates and provides connection with X server.
 //! Raises exception if can not connect to X server.
 //! On Windows and Mac OS X (in case when Cocoa used) platforms this class does nothing.
-//! WARRNING: Do not close display connection manually!
+//! WARNING: Do not close display connection manually!
 class Aspect_DisplayConnection : public Standard_Transient
 {
   DEFINE_STANDARD_RTTIEXT(Aspect_DisplayConnection, Standard_Transient)

src/BOPAlgo/BOPAlgo_PaveFiller_3.cxx

@@ -341,12 +341,8 @@ void BOPAlgo_PaveFiller::PerformEE(const Message_ProgressRange& theRange)
       GeomAbs_CurveType aType1 = aBAC1.GetType();
       GeomAbs_CurveType aType2 = aBAC2.GetType();
       //
-      bAnalytical = (((aType1 == GeomAbs_Line) &&
-                      (aType2 == GeomAbs_Line ||
-                       aType2 == GeomAbs_Circle)) ||
-                     ((aType2 == GeomAbs_Line) &&
-                      (aType1 == GeomAbs_Line ||
-                       aType1 == GeomAbs_Circle)));
+      bAnalytical = (aType1 == GeomAbs_Line && aType2 == GeomAbs_Circle) ||
+                    (aType1 == GeomAbs_Circle && aType2 == GeomAbs_Line);
     }
     //
     for (i=1; i<=aNbCPrts; ++i) {
@@ -443,7 +439,7 @@ void BOPAlgo_PaveFiller::PerformEE(const Message_ProgressRange& theRange)
 
           Standard_Real aTolVnew = BRep_Tool::Tolerance(aVnew);
           if (bAnalytical) {
-            // increase tolerance for Line/Line intersection, but do not update 
+            // increase tolerance for Line/Circle intersection, but do not update 
             // the vertex till its intersection with some other shape
             Standard_Real aTolMin = (BRepAdaptor_Curve(aE1).GetType() == GeomAbs_Line) ?
               (aCR1.Last() - aCR1.First()) / 2. : (aCR2.Last() - aCR2.First()) / 2.;

src/BRepAlgo/BRepAlgo_FaceRestrictor.hxx

@@ -51,11 +51,11 @@ public:
   //! Warning:
   //! The Wires must be closed.
   //!
-  //! The edges of <W> can be modified if they  have not pcurves
-  //! on the surface <S>  of <F>. In this  case
+  //! The edges of <W> can be modified if they don't have
+  //! pcurves on the surface <S> of <F>. In this case
   //! if <Proj> is false the first pcurve of the edge
-  //! is positionned on <S>.
-  //! if <Proj> is True ,the Pcurve On <S> is the
+  //! is positioned on <S>.
+  //! if <Proj> is True, the Pcurve On <S> is the
   //! projection of the curve 3d on <F>.
   Standard_EXPORT void Add (TopoDS_Wire& W);
   

src/BRepAlgo/BRepAlgo_Loop.hxx

@@ -86,13 +86,13 @@ public:
   
   Standard_EXPORT void VerticesForSubstitute (TopTools_DataMapOfShapeShape& VerVerMap);
 
-  //! Set maximal tolerance used for comparing distaces between vertices. 
+  //! Set maximal tolerance used for comparing distances between vertices. 
   void SetTolConf(const Standard_Real theTolConf)
   {
     myTolConf = theTolConf;
   }
 
-  //! Get maximal tolerance used for comparing distaces between vertices. 
+  //! Get maximal tolerance used for comparing distances between vertices. 
   Standard_Real GetTolConf() const
   {
     return myTolConf;

src/BRepBlend/BRepBlend_AppFuncRoot.cxx

@@ -49,7 +49,7 @@ BRepBlend_AppFuncRoot::BRepBlend_AppFuncRoot(Handle(BRepBlend_Line)& Line,
   //  Tables
   Func.GetShape( NbPoles, NbKnots, Degree, NbPoles2d);
   
-  // Calculation of BaryCentre (rationnal case).
+  // Calculation of BaryCentre (rational case).
   if (Func.IsRational()) {
     Standard_Real Xmax =-1.e100, Xmin = 1.e100, 
     Ymax =-1.e100, Ymin = 1.e100, 

src/BRepBlend/BRepBlend_AppFuncRoot.hxx

@@ -69,7 +69,7 @@ public:
   //! get the Multplicities of the section
   Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const Standard_OVERRIDE;
   
-  //! Returns if the section is rationnal or not
+  //! Returns if the section is rational or not
   Standard_EXPORT virtual Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns  the number  of  intervals for  continuity
@@ -95,7 +95,7 @@ public:
   Standard_EXPORT virtual void Resolution (const Standard_Integer Index, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary (in radian)
   //! SurfTol error inside the surface.

src/BRepBlend/BRepBlend_RstRstConstRad.hxx

@@ -139,7 +139,7 @@ public:
   
   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -162,7 +162,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BRepBlend/BRepBlend_RstRstEvolRad.hxx

@@ -140,7 +140,7 @@ public:
   
   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -163,7 +163,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BRepBlend/BRepBlend_SurfRstConstRad.hxx

@@ -133,7 +133,7 @@ public:
   
   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -156,7 +156,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BRepBlend/BRepBlend_SurfRstEvolRad.hxx

@@ -132,7 +132,7 @@ public:
   
   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -155,7 +155,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BRepClass/BRepClass_FaceExplorer.cxx

@@ -202,7 +202,7 @@ Standard_Boolean BRepClass_FaceExplorer::OtherSegment(const gp_Pnt2d& P,
               // is tangent to the edge curve. This condition is bad for classification.
               // Therefore try to go to another point in the hope that there will be 
               // no tangent. If there tangent is preserved then leave the last point in 
-              // order to get this edge chanse to participate in classification.
+              // order to get this edge chance to participate in classification.
               if (myCurEdgePar + Probing_Step < Probing_End)
                 continue;
             }

src/BRepFill/BRepFill_Draft.cxx

@@ -541,7 +541,7 @@ static Standard_Boolean GoodOrientation(const Bnd_Box& B,
 
   if (!Surf.IsNull()) { // Add the face at end
 
-  // Waiting the use of traces & retriction in BRepFill_Sweep
+  // Waiting the use of traces & restriction in BRepFill_Sweep
   // Make Fuse.
     BRepLib_MakeFace MkF;
     MkF.Init(Surf, Standard_True, Precision::Confusion());

src/BRepFill/BRepFill_Evolved.cxx

@@ -3144,7 +3144,7 @@ void CutEdgeProf (const TopoDS_Edge&                  E,
 
 //=======================================================================
 //function : CutEdge
-//purpose  : Cut an edge at thw extrema of curves and at points of inflexion.
+//purpose  : Cut an edge at the extrema of curves and at points of inflexion.
 //           Closed circles are also cut in two.
 //           If <Cuts> are empty the edge is not modified.
 //           The first and the last vertex of the original edge 

src/BRepFill/BRepFill_LocationLaw.hxx

@@ -122,18 +122,18 @@ public:
 protected:
 
   
-  //! Initialize all the fields, this methode have to
+  //! Initialize all the fields, this methode has to
   //! be called by the constructors of Inherited class.
   Standard_EXPORT void Init (const TopoDS_Wire& Path);
   
-  //! To preseve if possible  the Tangent in transformations
+  //! To preserve if possible the Tangent in transformations
   //! It is the default mode.
   Standard_EXPORT void TangentIsMain();
   
-  //! To preseve if possible the Normal in transformations
+  //! To preserve if possible the Normal in transformations
   Standard_EXPORT void NormalIsMain();
   
-  //! To preseve if possible the BiNormal in transformations
+  //! To preserve if possible the BiNormal in transformations
   Standard_EXPORT void BiNormalIsMain();
 
   TopoDS_Wire myPath;

src/BRepFill/BRepFill_Pipe.cxx

@@ -501,7 +501,7 @@ TopoDS_Shape BRepFill_Pipe::Section(const TopoDS_Vertex& VSpine) const
 
 TopoDS_Wire BRepFill_Pipe::PipeLine(const gp_Pnt& Point)
 {
- // Postioning 
+ // Positioning 
  gp_Pnt P;
  P = Point;
  P.Transform(myTrsf);

src/BRepFill/BRepFill_PipeShell.cxx

@@ -1155,7 +1155,7 @@ void BRepFill_PipeShell::Generated(const TopoDS_Shape&   theShape,
 
 //=======================================================================
 //function : Place
-//purpose  : Implement a Section in the local refernce frame
+//purpose  : Implement a Section in the local reference frame
 //           and return its parameter on the trajectory
 //=======================================================================
 void BRepFill_PipeShell::Place(const BRepFill_Section& Sec,

src/BRepFill/BRepFill_PipeShell.hxx

@@ -48,7 +48,7 @@ class BRepFill_PipeShell;
 DEFINE_STANDARD_HANDLE(BRepFill_PipeShell, Standard_Transient)
 
 //! Computes a topological shell using some wires
-//! (spines and profiles) and diplacement option
+//! (spines and profiles) and displacement option
 //! Perform general sweeping construction
 class BRepFill_PipeShell : public Standard_Transient
 {
@@ -116,7 +116,7 @@ public:
   //! to be C0.
   //! Give section to sweep.
   //! Possibilities are :
-  //! - Give one or sevral profile
+  //! - Give one or several profile
   //! - Give one profile and an homotetic law.
   //! - Automatic compute of correspondence between profile, and section on the sweeped shape
   //! - correspondence between profile, and section on the sweeped shape defined by a vertex of the spine
@@ -153,7 +153,7 @@ public:
   Standard_EXPORT void SetTransition (const BRepFill_TransitionStyle Mode = BRepFill_Modified, const Standard_Real Angmin = 1.0e-2, const Standard_Real Angmax = 6.0);
   
   //! Perform simulation of the sweep :
-  //! Somes Section are returned.
+  //! Some Section are returned.
   Standard_EXPORT void Simulate (const Standard_Integer NumberOfSection, TopTools_ListOfShape& Sections);
   
   //! Builds the resulting shape (redefined from MakeShape).

src/BRepFill/BRepFill_Sweep.cxx

@@ -2890,7 +2890,7 @@ BRepFill_Sweep::BRepFill_Sweep(const Handle(BRepFill_SectionLaw)& Section,
 
 //=======================================================================
 //function : Build
-//purpose  : Construt the result of sweeping
+//purpose  : Construct the result of sweeping
 //======================================================================
 void BRepFill_Sweep::Build(TopTools_MapOfShape& ReversedEdges,
                            BRepFill_DataMapOfShapeHArray2OfShape& Tapes,

src/BRepFill/BRepFill_Sweep.hxx

@@ -64,7 +64,7 @@ public:
   //! Tolerance  To controle Corner management.
   //!
   //! If the discontinuity is lesser than <AngleMin> in radian The
-  //! Transition Performed will be alway "Modified"
+  //! Transition Performed will be always "Modified"
   Standard_EXPORT void SetAngularControl (const Standard_Real AngleMin = 0.01, const Standard_Real AngleMax = 6.0);
   
   //! Set the flag that indicates attempt to approximate
@@ -78,7 +78,7 @@ public:
   //! - GeomFill_Section : The composed Function Location X Section
   //! is directly approximated.
   //! - GeomFill_Location : The location law is approximated, and the
-  //! SweepSurface is bulid algebric composition
+  //! SweepSurface builds an algebraic composition
   //! of approximated location law and section law
   //! This option is Ok, if Section.Surface() methode
   //! is effective.

src/BRepOffsetAPI/BRepOffsetAPI_FindContigousEdges.hxx

@@ -37,7 +37,7 @@ class TopoDS_Edge;
 //! - define if necessary a new tolerance
 //! - set if necessary analysis of degenerated shapes off
 //! - add shapes to be controlled -> Add
-//! - compute -> Perfom
+//! - compute -> Perform
 //! - output couples of connected edges for control
 //! - output the problems if any
 class BRepOffsetAPI_FindContigousEdges 

src/BRepOffsetAPI/BRepOffsetAPI_MakeOffset.cxx

@@ -166,7 +166,7 @@ void BRepOffsetAPI_MakeOffset::Init(const GeomAbs_JoinType Join,
 //=======================================================================
 //function : SetApprox
 //purpose  : Set approximation flag
-//           for convertion input contours into ones consisting of
+//           for conversion input contours into ones consisting of
 //           2D circular arcs and 2D linear segments only
 //=======================================================================
 

src/BRepOffsetAPI/BRepOffsetAPI_MakeOffset.hxx

@@ -64,7 +64,7 @@ public:
   Standard_EXPORT void Init (const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean IsOpenResult = Standard_False);
   
   //! Set approximation flag
-  //! for convertion input contours into ones consisting of
+  //! for conversion input contours into ones consisting of
   //! 2D circular arcs and 2D linear segments only.
   Standard_EXPORT void SetApprox (const Standard_Boolean ToApprox);
   

src/BRepOffsetAPI/BRepOffsetAPI_MakeOffsetShape.hxx

@@ -114,7 +114,7 @@ public:
                                      const Standard_Boolean RemoveIntEdges = Standard_False,
                                      const Message_ProgressRange& theRange = Message_ProgressRange());
 
-  //! Returns instance of the unrelying intersection / arc algorithm.
+  //! Returns instance of the underlying intersection / arc algorithm.
   Standard_EXPORT virtual const BRepOffset_MakeOffset& MakeOffset() const;
 
   //! Does nothing.

src/BRepOffsetAPI/BRepOffsetAPI_MakePipeShell.hxx

@@ -112,7 +112,7 @@ public:
   //! along the path.
   //! Give section to sweep.
   //! Possibilities are :
-  //! - Give one or sevral section
+  //! - Give one or several section
   //! - Give one profile and an homotetic law.
   //! - Automatic compute of correspondence between spine, and section
   //! on the sweeped shape

src/BRepTest/BRepTest_Fillet2DCommands.cxx

@@ -306,7 +306,7 @@ static Standard_Integer fillet2d(Draw_Interpretor& di, Standard_Integer n, const
   Standard_Boolean status = algo.Perform(radius);
   if (!status)
   {
-    di << "Error: the algrithm failed.";
+    di << "Error: the algorithm failed.";
     return 1;
   }
 
@@ -326,7 +326,7 @@ static Standard_Integer fillet2d(Draw_Interpretor& di, Standard_Integer n, const
   TopoDS_Edge fillet = algo.Result(common, M1, M2);
   if (fillet.IsNull())
   {
-    di << "Error: the algrithm produced no result.";
+    di << "Error: the algorithm produced no result.";
     return 1;
   }
 
@@ -403,7 +403,7 @@ static Standard_Integer chamfer2d(Draw_Interpretor& di, Standard_Integer n, cons
   TopoDS_Edge chamfer = algo.Result(M1, M2, length1, length2);
   if (chamfer.IsNull())
   {
-    di << "Error: the algrithm produced no result.";
+    di << "Error: the algorithm produced no result.";
     return 1;
   }
 

src/BSplCLib/BSplCLib_CurveComputation.gxx

@@ -1263,7 +1263,7 @@ void BSplCLib::MovePoint (const Standard_Real            U,
     }
   }
   
-  // find a kk2 if symetriy
+  // find a kk2 if symmetry
   kk2 = kk1;
   i = kk1 - FirstNonZeroBsplineIndex + 2;
   if ((kk1+1) <= LastIndex) {

src/BSplSLib/BSplSLib.cxx

@@ -2845,7 +2845,7 @@ void BSplSLib::MovePoint (const Standard_Real            U,
     }
   }
 
-  // find a ukk2 if symetriy
+  // find a ukk2 if symmetry
   ukk2 = ukk1;
   i = ukk1 - UFirstNonZeroBsplineIndex + 2;
   if ((ukk1+1) <= ULastIndex) {
@@ -2871,7 +2871,7 @@ void BSplSLib::MovePoint (const Standard_Real            U,
     }
   }
 
-  // find a vkk2 if symetriy
+  // find a vkk2 if symmetry
   vkk2 = vkk1;
   j = vkk1 - VFirstNonZeroBsplineIndex + 2;
   if ((vkk1+1) <= VLastIndex) {

src/Blend/Blend_AppFunction.hxx

@@ -115,7 +115,7 @@ public:
   //! Returns the point on the first support.
   Standard_EXPORT virtual const gp_Pnt& Pnt2() const = 0;
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT virtual Standard_Boolean IsRational() const = 0;
   
   //! Returns the length of the maximum section
@@ -145,7 +145,7 @@ public:
                                          Standard_Integer& NbPoles2d) = 0;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/Blend/Blend_CSFunction.hxx

@@ -148,7 +148,7 @@ public:
   Standard_EXPORT virtual void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE = 0;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/Blend/Blend_RstRstFunction.hxx

@@ -156,7 +156,7 @@ public:
   //! but  the  values  calculated can  be  senseless.
   Standard_EXPORT virtual Blend_DecrochStatus Decroch (const math_Vector& Sol, gp_Vec& NRst1, gp_Vec& TgRst1, gp_Vec& NRst2, gp_Vec& TgRst2) const = 0;
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT virtual Standard_Boolean IsRational() const = 0;
   
   //! Returns the length of the maximum section
@@ -180,7 +180,7 @@ public:
   Standard_EXPORT virtual void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) = 0;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/Blend/Blend_SurfRstFunction.hxx

@@ -150,7 +150,7 @@ public:
   //! specific to  the function.
   Standard_EXPORT virtual Standard_Boolean Decroch (const math_Vector& Sol, gp_Vec& NS, gp_Vec& TgS) const = 0;
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT virtual Standard_Boolean IsRational() const = 0;
   
   //! Returns the length of the maximum section
@@ -174,7 +174,7 @@ public:
   Standard_EXPORT virtual void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) = 0;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BlendFunc/BlendFunc_CSCircular.hxx

@@ -129,7 +129,7 @@ public:
   
   Standard_EXPORT Standard_Boolean GetSection (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, TColgp_Array1OfPnt& tabP, TColgp_Array1OfVec& tabV);
   
-  //! Returns  if the section is rationnal
+  //! Returns if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -155,7 +155,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BlendFunc/BlendFunc_CSConstRad.hxx

@@ -117,7 +117,7 @@ public:
   
   Standard_EXPORT Standard_Boolean GetSection (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, TColgp_Array1OfPnt& tabP, TColgp_Array1OfVec& tabV);
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -142,7 +142,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BlendFunc/BlendFunc_ChAsym.hxx

@@ -111,7 +111,7 @@ public:
   //! Utile pour une visu rapide et approximative de la surface.
   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Lin& C);
   
-  //! Returns  if the section is rationnal
+  //! Returns if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -135,7 +135,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BlendFunc/BlendFunc_ConstRad.cxx

@@ -62,7 +62,7 @@ BlendFunc_ConstRad::BlendFunc_ConstRad(const Handle(Adaptor3d_Surface)& S1,
                   distmin(RealLast()),
                   mySShape(BlendFunc_Rational)
 { 
-// Initialisaton of cash control variables.
+// Initialisation of cash control variables.
   tval = -9.876e100;
   xval.Init(-9.876e100);
   myXOrder = -1;

src/BlendFunc/BlendFunc_ConstRad.hxx

@@ -116,7 +116,7 @@ public:
   //! Utile pour une visu rapide et approximative de la surface.
   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
   
-  //! Returns  if the section is rationnal
+  //! Returns  if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -140,7 +140,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BlendFunc/BlendFunc_EvolRad.hxx

@@ -115,7 +115,7 @@ public:
   //! Method for graphic traces
   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
   
-  //! Returns  if the section is rationnal
+  //! Returns if the section is rational
   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns the length of the maximum section
@@ -139,7 +139,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BlendFunc/BlendFunc_GenChamfer.hxx

@@ -105,7 +105,7 @@ public:
                                  Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/BlendFunc/BlendFunc_Ruled.hxx

@@ -127,7 +127,7 @@ public:
   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary
   //! SurfTol error inside the surface.

src/DE/DE_ShapeFixParameters.hxx

@@ -25,7 +25,7 @@ struct DE_ShapeFixParameters
     Fix = 1        //!< Procedure will be executed anyway
   };
 
-  double Tolerance3d = 1.e-3;
+  double Tolerance3d = 1.e-6;
   double MaxTolerance3d = 1.0;
   double MinTolerance3d = 1.e-7;
   FixMode FixFreeShellMode = FixMode::FixOrNot;

src/ExpToCasExe/exptocas.tab.cxx

@@ -1,8 +1,8 @@
-// A Bison parser, made by GNU Bison 3.7.4.
+// A Bison parser, made by GNU Bison 3.8.2.
 
 // Skeleton implementation for Bison LALR(1) parsers in C++
 
-// Copyright (C) 2002-2015, 2018-2020 Free Software Foundation, Inc.
+// Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
 
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -15,7 +15,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 // As a special exception, you may create a larger work that contains
 // part or all of the Bison parser skeleton and distribute that work
@@ -176,7 +176,7 @@ static Express_HSequenceOfField *mkflist ( Express_Field *field, Express_HSequen
 #else // !YYDEBUG
 
 # define YYCDEBUG if (false) std::cerr
-# define YY_SYMBOL_PRINT(Title, Symbol)  YYUSE (Symbol)
+# define YY_SYMBOL_PRINT(Title, Symbol)  YY_USE (Symbol)
 # define YY_REDUCE_PRINT(Rule)           static_cast<void> (0)
 # define YY_STACK_PRINT()                static_cast<void> (0)
 
@@ -209,9 +209,9 @@ namespace exptocas {
   parser::syntax_error::~syntax_error () YY_NOEXCEPT YY_NOTHROW
   {}
 
-  /*---------------.
-  | symbol kinds.  |
-  `---------------*/
+  /*---------.
+  | symbol.  |
+  `---------*/
 
   // basic_symbol.
   template <typename Base>
@@ -229,11 +229,12 @@ namespace exptocas {
   {}
 
   template <typename Base>
-  parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, YY_RVREF (semantic_type) v)
+  parser::basic_symbol<Base>::basic_symbol (typename Base::kind_type t, YY_RVREF (value_type) v)
     : Base (t)
     , value (YY_MOVE (v))
   {}
 
+
   template <typename Base>
   parser::symbol_kind_type
   parser::basic_symbol<Base>::type_get () const YY_NOEXCEPT
@@ -241,6 +242,7 @@ namespace exptocas {
     return this->kind ();
   }
 
+
   template <typename Base>
   bool
   parser::basic_symbol<Base>::empty () const YY_NOEXCEPT
@@ -257,28 +259,30 @@ namespace exptocas {
   }
 
   // by_kind.
-  parser::by_kind::by_kind ()
+  parser::by_kind::by_kind () YY_NOEXCEPT
     : kind_ (symbol_kind::S_YYEMPTY)
   {}
 
 #if 201103L <= YY_CPLUSPLUS
-  parser::by_kind::by_kind (by_kind&& that)
+  parser::by_kind::by_kind (by_kind&& that) YY_NOEXCEPT
     : kind_ (that.kind_)
   {
     that.clear ();
   }
 #endif
 
-  parser::by_kind::by_kind (const by_kind& that)
+  parser::by_kind::by_kind (const by_kind& that) YY_NOEXCEPT
     : kind_ (that.kind_)
   {}
 
-  parser::by_kind::by_kind (token_kind_type t)
+  parser::by_kind::by_kind (token_kind_type t) YY_NOEXCEPT
     : kind_ (yytranslate_ (t))
   {}
 
+
+
   void
-  parser::by_kind::clear ()
+  parser::by_kind::clear () YY_NOEXCEPT
   {
     kind_ = symbol_kind::S_YYEMPTY;
   }
@@ -296,6 +300,7 @@ namespace exptocas {
     return kind_;
   }
 
+
   parser::symbol_kind_type
   parser::by_kind::type_get () const YY_NOEXCEPT
   {
@@ -303,6 +308,7 @@ namespace exptocas {
   }
 
 
+
   // by_state.
   parser::by_state::by_state () YY_NOEXCEPT
     : state (empty_state)
@@ -385,7 +391,7 @@ namespace exptocas {
       YY_SYMBOL_PRINT (yymsg, yysym);
 
     // User destructor.
-    YYUSE (yysym.kind ());
+    YY_USE (yysym.kind ());
   }
 
 #if YYDEBUG
@@ -394,7 +400,7 @@ namespace exptocas {
   parser::yy_print_ (std::ostream& yyo, const basic_symbol<Base>& yysym) const
   {
     std::ostream& yyoutput = yyo;
-    YYUSE (yyoutput);
+    YY_USE (yyoutput);
     if (yysym.empty ())
       yyo << "empty symbol";
     else
@@ -402,7 +408,7 @@ namespace exptocas {
         symbol_kind_type yykind = yysym.kind ();
         yyo << (yykind < YYNTOKENS ? "token" : "nterm")
             << ' ' << yysym.name () << " (";
-        YYUSE (yykind);
+        YY_USE (yykind);
         yyo << ')';
       }
   }
@@ -428,7 +434,7 @@ namespace exptocas {
   }
 
   void
-  parser::yypop_ (int n)
+  parser::yypop_ (int n) YY_NOEXCEPT
   {
     yystack_.pop (n);
   }
@@ -471,13 +477,13 @@ namespace exptocas {
   }
 
   bool
-  parser::yy_pact_value_is_default_ (int yyvalue)
+  parser::yy_pact_value_is_default_ (int yyvalue) YY_NOEXCEPT
   {
     return yyvalue == yypact_ninf_;
   }
 
   bool
-  parser::yy_table_value_is_error_ (int yyvalue)
+  parser::yy_table_value_is_error_ (int yyvalue) YY_NOEXCEPT
   {
     return yyvalue == yytable_ninf_;
   }
@@ -1087,6 +1093,10 @@ namespace exptocas {
 
 
 
+
+
+
+
   const short parser::yypact_ninf_ = -134;
 
   const signed char parser::yytable_ninf_ = -1;
@@ -1145,10 +1155,10 @@ namespace exptocas {
      -64,    31,  -134,  -134,  -127,  -134,  -134,    -7,    18,  -131
   };
 
-  const short
+  const unsigned char
   parser::yydefgoto_[] =
   {
-      -1,     2,     9,    10,    11,    12,    13,    14,    15,   109,
+       0,     2,     9,    10,    11,    12,    13,    14,    15,   109,
       49,    40,    41,    42,    43,    72,   152,    47,    24,    61,
       85,    86,    87,    88,   119,   121,   123,   124,   106,   166
   };
@@ -1306,7 +1316,7 @@ namespace exptocas {
 #endif // YYDEBUG
 
   parser::symbol_kind_type
-  parser::yytranslate_ (int t)
+  parser::yytranslate_ (int t) YY_NOEXCEPT
   {
     // YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to
     // TOKEN-NUM as returned by yylex.
@@ -1350,7 +1360,7 @@ namespace exptocas {
     if (t <= 0)
       return symbol_kind::S_YYEOF;
     else if (t <= code_max)
-      return YY_CAST (symbol_kind_type, translate_table[t]);
+      return static_cast <symbol_kind_type> (translate_table[t]);
     else
       return symbol_kind::S_YYUNDEF;
   }

src/ExpToCasExe/exptocas.tab.hxx

@@ -1,8 +1,8 @@
-// A Bison parser, made by GNU Bison 3.7.4.
+// A Bison parser, made by GNU Bison 3.8.2.
 
 // Skeleton interface for Bison LALR(1) parsers in C++
 
-// Copyright (C) 2002-2015, 2018-2020 Free Software Foundation, Inc.
+// Copyright (C) 2002-2015, 2018-2021 Free Software Foundation, Inc.
 
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -15,7 +15,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 // As a special exception, you may create a larger work that contains
 // part or all of the Bison parser skeleton and distribute that work
@@ -148,17 +148,23 @@ namespace exptocas {
 
 /* Suppress unused-variable warnings by "using" E.  */
 #if ! defined lint || defined __GNUC__
-# define YYUSE(E) ((void) (E))
+# define YY_USE(E) ((void) (E))
 #else
-# define YYUSE(E) /* empty */
+# define YY_USE(E) /* empty */
 #endif
 
-#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
 /* Suppress an incorrect diagnostic about yylval being uninitialized.  */
+#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
+# if __GNUC__ * 100 + __GNUC_MINOR__ < 407
+#  define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN                           \
+    _Pragma ("GCC diagnostic push")                                     \
+    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
+# else
 #  define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN                           \
     _Pragma ("GCC diagnostic push")                                     \
     _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")              \
     _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# endif
 # define YY_IGNORE_MAYBE_UNINITIALIZED_END      \
     _Pragma ("GCC diagnostic pop")
 #else
@@ -219,9 +225,14 @@ namespace exptocas {
   class parser
   {
   public:
-#ifndef YYSTYPE
+#ifdef YYSTYPE
+# ifdef __GNUC__
+#  pragma GCC message "bison: do not #define YYSTYPE in C++, use %define api.value.type"
+# endif
+    typedef YYSTYPE value_type;
+#else
     /// Symbol semantic values.
-    union semantic_type
+    union value_type
     {
 
   int num;
@@ -237,9 +248,10 @@ namespace exptocas {
 
 
     };
-#else
-    typedef YYSTYPE semantic_type;
 #endif
+    /// Backward compatibility (Bison 3.8).
+    typedef value_type semantic_type;
+
 
     /// Syntax errors thrown from user actions.
     struct syntax_error : std::runtime_error
@@ -302,7 +314,7 @@ namespace exptocas {
     };
 
     /// Token kind, as returned by yylex.
-    typedef token::yytokentype token_kind_type;
+    typedef token::token_kind_type token_kind_type;
 
     /// Backward compatibility alias (Bison 3.6).
     typedef token_kind_type token_type;
@@ -412,7 +424,7 @@ namespace exptocas {
       typedef Base super_type;
 
       /// Default constructor.
-      basic_symbol ()
+      basic_symbol () YY_NOEXCEPT
         : value ()
       {}
 
@@ -431,7 +443,7 @@ namespace exptocas {
 
       /// Constructor for symbols with semantic value.
       basic_symbol (typename Base::kind_type t,
-                    YY_RVREF (semantic_type) v);
+                    YY_RVREF (value_type) v);
 
       /// Destroy the symbol.
       ~basic_symbol ()
@@ -439,8 +451,10 @@ namespace exptocas {
         clear ();
       }
 
+
+
       /// Destroy contents, and record that is empty.
-      void clear ()
+      void clear () YY_NOEXCEPT
       {
         Base::clear ();
       }
@@ -464,7 +478,7 @@ namespace exptocas {
       void move (basic_symbol& s);
 
       /// The semantic value.
-      semantic_type value;
+      value_type value;
 
     private:
 #if YY_CPLUSPLUS < 201103L
@@ -476,25 +490,27 @@ namespace exptocas {
     /// Type access provider for token (enum) based symbols.
     struct by_kind
     {
-      /// Default constructor.
-      by_kind ();
-
-#if 201103L <= YY_CPLUSPLUS
-      /// Move constructor.
-      by_kind (by_kind&& that);
-#endif
-
-      /// Copy constructor.
-      by_kind (const by_kind& that);
-
       /// The symbol kind as needed by the constructor.
       typedef token_kind_type kind_type;
 
+      /// Default constructor.
+      by_kind () YY_NOEXCEPT;
+
+#if 201103L <= YY_CPLUSPLUS
+      /// Move constructor.
+      by_kind (by_kind&& that) YY_NOEXCEPT;
+#endif
+
+      /// Copy constructor.
+      by_kind (const by_kind& that) YY_NOEXCEPT;
+
       /// Constructor from (external) token numbers.
-      by_kind (kind_type t);
+      by_kind (kind_type t) YY_NOEXCEPT;
+
+
 
       /// Record that this symbol is empty.
-      void clear ();
+      void clear () YY_NOEXCEPT;
 
       /// Steal the symbol kind from \a that.
       void move (by_kind& that);
@@ -586,19 +602,19 @@ namespace exptocas {
 
     /// Whether the given \c yypact_ value indicates a defaulted state.
     /// \param yyvalue   the value to check
-    static bool yy_pact_value_is_default_ (int yyvalue);
+    static bool yy_pact_value_is_default_ (int yyvalue) YY_NOEXCEPT;
 
     /// Whether the given \c yytable_ value indicates a syntax error.
     /// \param yyvalue   the value to check
-    static bool yy_table_value_is_error_ (int yyvalue);
+    static bool yy_table_value_is_error_ (int yyvalue) YY_NOEXCEPT;
 
     static const short yypact_ninf_;
     static const signed char yytable_ninf_;
 
     /// Convert a scanner token kind \a t to a symbol kind.
     /// In theory \a t should be a token_kind_type, but character literals
-    /// are valid, yet not members of the token_type enum.
-    static symbol_kind_type yytranslate_ (int t);
+    /// are valid, yet not members of the token_kind_type enum.
+    static symbol_kind_type yytranslate_ (int t) YY_NOEXCEPT;
 
 #if YYDEBUG || 0
     /// For a symbol, its name in clear.
@@ -620,7 +636,7 @@ namespace exptocas {
     static const short yypgoto_[];
 
     // YYDEFGOTO[NTERM-NUM].
-    static const short yydefgoto_[];
+    static const unsigned char yydefgoto_[];
 
     // YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
     // positive, shift that token.  If negative, reduce the rule whose
@@ -629,14 +645,14 @@ namespace exptocas {
 
     static const short yycheck_[];
 
-    // YYSTOS[STATE-NUM] -- The (internal number of the) accessing
-    // symbol of state STATE-NUM.
+    // YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
+    // state STATE-NUM.
     static const signed char yystos_[];
 
-    // YYR1[YYN] -- Symbol number of symbol that rule YYN derives.
+    // YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM.
     static const signed char yyr1_[];
 
-    // YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.
+    // YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM.
     static const signed char yyr2_[];
 
 
@@ -735,7 +751,7 @@ namespace exptocas {
       typedef typename S::size_type size_type;
       typedef typename std::ptrdiff_t index_type;
 
-      stack (size_type n = 200)
+      stack (size_type n = 200) YY_NOEXCEPT
         : seq_ (n)
       {}
 
@@ -814,7 +830,7 @@ namespace exptocas {
       class slice
       {
       public:
-        slice (const stack& stack, index_type range)
+        slice (const stack& stack, index_type range) YY_NOEXCEPT
           : stack_ (stack)
           , range_ (range)
         {}
@@ -864,7 +880,7 @@ namespace exptocas {
     void yypush_ (const char* m, state_type s, YY_MOVE_REF (symbol_type) sym);
 
     /// Pop \a n symbols from the stack.
-    void yypop_ (int n = 1);
+    void yypop_ (int n = 1) YY_NOEXCEPT;
 
     /// Constants.
     enum

src/ExprIntrp/ExprIntrp.lex

@@ -17,7 +17,7 @@
 
 %option yywrap
 %{
-#include <ExprIntrp.tab.h>
+#include <ExprIntrp.tab.hxx>
 
 #include <ExprIntrp_yaccintrf.hxx>
 

src/ExprIntrp/ExprIntrp.tab.cxx

@@ -1,8 +1,8 @@
-/* A Bison parser, made by GNU Bison 3.7.4.  */
+/* A Bison parser, made by GNU Bison 3.8.2.  */
 
 /* Bison implementation for Yacc-like parsers in C
 
-   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2020 Free Software Foundation,
+   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
@@ -16,7 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
@@ -46,10 +46,10 @@
    USER NAME SPACE" below.  */
 
 /* Identify Bison output, and Bison version.  */
-#define YYBISON 30704
+#define YYBISON 30802
 
 /* Bison version string.  */
-#define YYBISON_VERSION "3.7.4"
+#define YYBISON_VERSION "3.8.2"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
@@ -151,7 +151,7 @@ extern void ExprIntrp_EndOfEqual();
 #  endif
 # endif
 
-#include "ExprIntrp.tab.h"
+#include "ExprIntrp.tab.hxx"
 /* Symbol kind.  */
 enum yysymbol_kind_t
 {
@@ -267,6 +267,18 @@ typedef int_least16_t yytype_int16;
 typedef short yytype_int16;
 #endif
 
+/* Work around bug in HP-UX 11.23, which defines these macros
+   incorrectly for preprocessor constants.  This workaround can likely
+   be removed in 2023, as HPE has promised support for HP-UX 11.23
+   (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
+   <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>.  */
+#ifdef __hpux
+# undef UINT_LEAST8_MAX
+# undef UINT_LEAST16_MAX
+# define UINT_LEAST8_MAX 255
+# define UINT_LEAST16_MAX 65535
+#endif
+
 #if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
 typedef __UINT_LEAST8_TYPE__ yytype_uint8;
 #elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
@@ -364,17 +376,23 @@ typedef int yy_state_fast_t;
 
 /* Suppress unused-variable warnings by "using" E.  */
 #if ! defined lint || defined __GNUC__
-# define YYUSE(E) ((void) (E))
+# define YY_USE(E) ((void) (E))
 #else
-# define YYUSE(E) /* empty */
+# define YY_USE(E) /* empty */
 #endif
 
-#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
 /* Suppress an incorrect diagnostic about yylval being uninitialized.  */
+#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
+# if __GNUC__ * 100 + __GNUC_MINOR__ < 407
+#  define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN                           \
+    _Pragma ("GCC diagnostic push")                                     \
+    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
+# else
 #  define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN                           \
     _Pragma ("GCC diagnostic push")                                     \
     _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")              \
     _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# endif
 # define YY_IGNORE_MAYBE_UNINITIALIZED_END      \
     _Pragma ("GCC diagnostic pop")
 #else
@@ -590,7 +608,7 @@ static const yytype_int8 yytranslate[] =
 };
 
 #if YYDEBUG
-  /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
+/* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
 static const yytype_uint8 yyrline[] =
 {
        0,    80,    80,    81,    82,    83,    84,    87,    87,    90,
@@ -637,17 +655,6 @@ yysymbol_name (yysymbol_kind_t yysymbol)
 }
 #endif
 
-#ifdef YYPRINT
-/* YYTOKNUM[NUM] -- (External) token number corresponding to the
-   (internal) symbol number NUM (which must be that of a token).  */
-static const yytype_int16 yytoknum[] =
-{
-       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
-     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
-     275,   276,   277,   278,   279,    10
-};
-#endif
-
 #define YYPACT_NINF (-51)
 
 #define yypact_value_is_default(Yyn) \
@@ -658,7 +665,7 @@ static const yytype_int16 yytoknum[] =
 #define yytable_value_is_error(Yyn) \
   0
 
-  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
 static const yytype_int16 yypact[] =
 {
@@ -679,7 +686,7 @@ static const yytype_int16 yypact[] =
      140,   171,   172,   -51,   -51,   174,   175,   -51,   -51
 };
 
-  /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
+/* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
    Performed when YYTABLE does not specify something else to do.  Zero
    means the default is an error.  */
 static const yytype_int8 yydefact[] =
@@ -701,7 +708,7 @@ static const yytype_int8 yydefact[] =
        0,     0,     0,    62,    65,     0,     0,    63,    66
 };
 
-  /* YYPGOTO[NTERM-NUM].  */
+/* YYPGOTO[NTERM-NUM].  */
 static const yytype_int8 yypgoto[] =
 {
      -51,   -51,   -51,   -51,   -51,   -51,     0,   -51,   -51,   -51,
@@ -711,17 +718,17 @@ static const yytype_int8 yypgoto[] =
      -35,   -51
 };
 
-  /* YYDEFGOTO[NTERM-NUM].  */
-static const yytype_int16 yydefgoto[] =
+/* YYDEFGOTO[NTERM-NUM].  */
+static const yytype_uint8 yydefgoto[] =
 {
-      -1,    13,    14,    36,    15,    94,    79,    17,    18,    19,
+       0,    13,    14,    36,    15,    94,    79,    17,    18,    19,
       57,    80,   112,    20,    21,    58,    22,    37,    23,    66,
      129,    42,    24,    38,    89,   114,    90,    25,   116,   117,
      135,    26,    95,   126,    27,   119,   145,    28,   120,   146,
       29,    30
 };
 
-  /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
+/* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule whose
    number is the opposite.  If YYTABLE_NINF, syntax error.  */
 static const yytype_int16 yytable[] =
@@ -770,8 +777,8 @@ static const yytype_int16 yycheck[] =
       13,    11,    -1,    12,    12,    11,    11,    -1,   114,    66
 };
 
-  /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
-     symbol of state STATE-NUM.  */
+/* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
+   state STATE-NUM.  */
 static const yytype_int8 yystos[] =
 {
        0,     3,     4,     8,     9,    12,    13,    15,    17,    19,
@@ -791,7 +798,7 @@ static const yytype_int8 yystos[] =
       32,    14,    14,    12,    12,    62,    65,    11,    11
 };
 
-  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+/* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM.  */
 static const yytype_int8 yyr1[] =
 {
        0,    26,    27,    27,    27,    27,    27,    29,    28,    31,
@@ -804,7 +811,7 @@ static const yytype_int8 yyr1[] =
       67
 };
 
-  /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */
+/* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM.  */
 static const yytype_int8 yyr2[] =
 {
        0,     2,     1,     1,     1,     1,     1,     0,     4,     0,
@@ -826,6 +833,7 @@ enum { YYENOMEM = -2 };
 #define YYACCEPT        goto yyacceptlab
 #define YYABORT         goto yyabortlab
 #define YYERROR         goto yyerrorlab
+#define YYNOMEM         goto yyexhaustedlab
 
 
 #define YYRECOVERING()  (!!yyerrstatus)
@@ -866,10 +874,7 @@ do {                                            \
     YYFPRINTF Args;                             \
 } while (0)
 
-/* This macro is provided for backward compatibility. */
-# ifndef YY_LOCATION_PRINT
-#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
-# endif
+
 
 
 # define YY_SYMBOL_PRINT(Title, Kind, Value, Location)                    \
@@ -893,15 +898,11 @@ yy_symbol_value_print (FILE *yyo,
                        yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
 {
   FILE *yyoutput = yyo;
-  YYUSE (yyoutput);
+  YY_USE (yyoutput);
   if (!yyvaluep)
     return;
-# ifdef YYPRINT
-  if (yykind < YYNTOKENS)
-    YYPRINT (yyo, yytoknum[yykind], *yyvaluep);
-# endif
   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
-  YYUSE (yykind);
+  YY_USE (yykind);
   YY_IGNORE_MAYBE_UNINITIALIZED_END
 }
 
@@ -1015,13 +1016,13 @@ static void
 yydestruct (const char *yymsg,
             yysymbol_kind_t yykind, YYSTYPE *yyvaluep)
 {
-  YYUSE (yyvaluep);
+  YY_USE (yyvaluep);
   if (!yymsg)
     yymsg = "Deleting";
   YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
 
   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
-  YYUSE (yykind);
+  YY_USE (yykind);
   YY_IGNORE_MAYBE_UNINITIALIZED_END
 }
 
@@ -1084,6 +1085,7 @@ yyparse (void)
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yychar = YYEMPTY; /* Cause a token to be read.  */
+
   goto yysetstate;
 
 
@@ -1109,7 +1111,7 @@ yysetstate:
 
   if (yyss + yystacksize - 1 <= yyssp)
 #if !defined yyoverflow && !defined YYSTACK_RELOCATE
-    goto yyexhaustedlab;
+    YYNOMEM;
 #else
     {
       /* Get the current used size of the three stacks, in elements.  */
@@ -1137,7 +1139,7 @@ yysetstate:
 # else /* defined YYSTACK_RELOCATE */
       /* Extend the stack our own way.  */
       if (YYMAXDEPTH <= yystacksize)
-        goto yyexhaustedlab;
+        YYNOMEM;
       yystacksize *= 2;
       if (YYMAXDEPTH < yystacksize)
         yystacksize = YYMAXDEPTH;
@@ -1148,7 +1150,7 @@ yysetstate:
           YY_CAST (union yyalloc *,
                    YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize))));
         if (! yyptr)
-          goto yyexhaustedlab;
+          YYNOMEM;
         YYSTACK_RELOCATE (yyss_alloc, yyss);
         YYSTACK_RELOCATE (yyvs_alloc, yyvs);
 #  undef YYSTACK_RELOCATE
@@ -1170,6 +1172,7 @@ yysetstate:
     }
 #endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
 
+
   if (yystate == YYFINAL)
     YYACCEPT;
 
@@ -1551,6 +1554,7 @@ yyerrorlab:
      label yyerrorlab therefore never appears in user code.  */
   if (0)
     YYERROR;
+  ++yynerrs;
 
   /* Do not reclaim the symbols of the rule whose action triggered
      this YYERROR.  */
@@ -1611,7 +1615,7 @@ yyerrlab1:
 `-------------------------------------*/
 yyacceptlab:
   yyresult = 0;
-  goto yyreturn;
+  goto yyreturnlab;
 
 
 /*-----------------------------------.
@@ -1619,24 +1623,22 @@ yyacceptlab:
 `-----------------------------------*/
 yyabortlab:
   yyresult = 1;
-  goto yyreturn;
+  goto yyreturnlab;
 
 
-#if !defined yyoverflow
-/*-------------------------------------------------.
-| yyexhaustedlab -- memory exhaustion comes here.  |
-`-------------------------------------------------*/
+/*-----------------------------------------------------------.
+| yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here.  |
+`-----------------------------------------------------------*/
 yyexhaustedlab:
   yyerror (YY_("memory exhausted"));
   yyresult = 2;
-  goto yyreturn;
-#endif
+  goto yyreturnlab;
 
 
-/*-------------------------------------------------------.
-| yyreturn -- parsing is finished, clean up and return.  |
-`-------------------------------------------------------*/
-yyreturn:
+/*----------------------------------------------------------.
+| yyreturnlab -- parsing is finished, clean up and return.  |
+`----------------------------------------------------------*/
+yyreturnlab:
   if (yychar != YYEMPTY)
     {
       /* Make sure we have latest lookahead translation.  See comments at

src/ExprIntrp/ExprIntrp.tab.hxx

@@ -1,8 +1,8 @@
-/* A Bison parser, made by GNU Bison 3.7.4.  */
+/* A Bison parser, made by GNU Bison 3.8.2.  */
 
 /* Bison interface for Yacc-like parsers in C
 
-   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2020 Free Software Foundation,
+   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
@@ -16,7 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
@@ -35,8 +35,8 @@
    especially those whose name start with YY_ or yy_.  They are
    private implementation details that can be changed or removed.  */
 
-#ifndef YY_EXPRINTRP_EXPRINTRP_EXPRINTRP_TAB_H_INCLUDED
-# define YY_EXPRINTRP_EXPRINTRP_EXPRINTRP_TAB_H_INCLUDED
+#ifndef YY_EXPRINTRP_EXPRINTRP_EXPRINTRP_TAB_HXX_INCLUDED
+# define YY_EXPRINTRP_EXPRINTRP_EXPRINTRP_TAB_HXX_INCLUDED
 /* Debug traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG 0
@@ -90,6 +90,8 @@ typedef int YYSTYPE;
 
 extern YYSTYPE ExprIntrplval;
 
+
 int ExprIntrpparse (void);
 
-#endif /* !YY_EXPRINTRP_EXPRINTRP_EXPRINTRP_TAB_H_INCLUDED  */
+
+#endif /* !YY_EXPRINTRP_EXPRINTRP_EXPRINTRP_TAB_HXX_INCLUDED  */

src/ExprIntrp/ExprIntrp_yaccintrf.cxx

@@ -56,27 +56,27 @@ static TCollection_AsciiString ExprIntrp_funcdefname;
 static Standard_Integer ExprIntrp_nbargs;
 static Standard_Integer ExprIntrp_nbdiff;
 
-extern "C" void ExprIntrp_StartFunction()
+void ExprIntrp_StartFunction()
 {
   const TCollection_AsciiString& name = ExprIntrp_GetResult();
   ExprIntrp_Recept.PushName(name);
   ExprIntrp_nbargs = 0;
 }
 
-extern "C" void ExprIntrp_StartDerivate()
+void ExprIntrp_StartDerivate()
 {
   const TCollection_AsciiString& name = ExprIntrp_GetResult();
   ExprIntrp_Recept.PushName(name);
 }
 
-extern "C" void ExprIntrp_EndDerivate()
+void ExprIntrp_EndDerivate()
 {
   int degree;
   degree = ExprIntrp_GetDegree();
   ExprIntrp_Recept.PushValue(degree);
 }
 
-extern "C" void ExprIntrp_Derivation()
+void ExprIntrp_Derivation()
 {
   ExprIntrp_Recept.PushValue(1);
   const TCollection_AsciiString& thename = ExprIntrp_GetResult();
@@ -90,14 +90,14 @@ extern "C" void ExprIntrp_Derivation()
   ExprIntrp_Recept.Push(namexp);
 }
 
-extern "C" void ExprIntrp_DerivationValue()
+void ExprIntrp_DerivationValue()
 {
   const TCollection_AsciiString& aStr = ExprIntrp_GetResult();
   ExprIntrp_Recept.PopValue();
   ExprIntrp_Recept.PushValue(aStr.IntegerValue());
 }
 
-extern "C" void ExprIntrp_EndDerivation()
+void ExprIntrp_EndDerivation()
 {
   Standard_Integer degree = ExprIntrp_Recept.PopValue();
   Handle(Expr_NamedUnknown) var = Handle(Expr_NamedUnknown)::DownCast(ExprIntrp_Recept.Pop());
@@ -106,13 +106,13 @@ extern "C" void ExprIntrp_EndDerivation()
   ExprIntrp_Recept.Push(exp);
 }
 
-extern "C" void ExprIntrp_StartDifferential()
+void ExprIntrp_StartDifferential()
 {
   ExprIntrp_StartDerivate();
   ExprIntrp_nbdiff = 0;
 }
 
-extern "C" void ExprIntrp_DiffDegreeVar()
+void ExprIntrp_DiffDegreeVar()
 {
   const TCollection_AsciiString& aStr = ExprIntrp_GetResult();
   const char* s = aStr.ToCString();
@@ -125,20 +125,20 @@ extern "C" void ExprIntrp_DiffDegreeVar()
   ExprIntrp_nbdiff++;
 }
 
-extern "C" void ExprIntrp_DiffVar()
+void ExprIntrp_DiffVar()
 {
   ExprIntrp_Recept.PushValue(1);
   ExprIntrp_DiffDegreeVar();
 }
 
-extern "C" void ExprIntrp_DiffDegree()
+void ExprIntrp_DiffDegree()
 {
   const TCollection_AsciiString& aStr = ExprIntrp_GetResult();
   Standard_Integer deg = aStr.IntegerValue();
   ExprIntrp_Recept.PushValue(deg);
 }
 
-extern "C" void ExprIntrp_VerDiffDegree()
+void ExprIntrp_VerDiffDegree()
 {
   const TCollection_AsciiString& aStr = ExprIntrp_GetResult();
   Standard_Integer deg = aStr.IntegerValue();
@@ -149,7 +149,7 @@ extern "C" void ExprIntrp_VerDiffDegree()
   ExprIntrp_Recept.PushValue(deg);
 }
 
-extern "C" void ExprIntrp_EndDifferential()
+void ExprIntrp_EndDifferential()
 {
   TCollection_AsciiString name = ExprIntrp_Recept.PopName();
   Handle(Expr_GeneralFunction) thefunc = ExprIntrp_Recept.GetFunction(name);
@@ -172,7 +172,7 @@ extern "C" void ExprIntrp_EndDifferential()
   ExprIntrp_Recept.PushFunction(thefunc);
 }
 
-extern "C" void ExprIntrp_EndDiffFunction()
+void ExprIntrp_EndDiffFunction()
 {
   Handle(Expr_GeneralFunction) thefunc = ExprIntrp_Recept.PopFunction();
   if (thefunc.IsNull()) {
@@ -276,7 +276,7 @@ static Handle(Expr_GeneralExpression) ExprIntrp_StandardFunction(const TCollecti
 }
 
 
-extern "C" void ExprIntrp_EndDerFunction()
+void ExprIntrp_EndDerFunction()
 {
   TCollection_AsciiString name = ExprIntrp_Recept.PopName();
   Handle(Expr_GeneralExpression) op = ExprIntrp_Recept.Pop();
@@ -323,7 +323,7 @@ extern "C" void ExprIntrp_EndDerFunction()
   }
 }
     
-extern "C" void ExprIntrp_EndFunction()
+void ExprIntrp_EndFunction()
 {
   TCollection_AsciiString name = ExprIntrp_Recept.PopName();
   Handle(Expr_GeneralExpression) op = ExprIntrp_Recept.Pop();
@@ -370,17 +370,17 @@ extern "C" void ExprIntrp_EndFunction()
   }
 }
 
-extern "C" void ExprIntrp_NextFuncArg()
+void ExprIntrp_NextFuncArg()
 {
   ExprIntrp_nbargs++;
 }
 
-extern "C" void ExprIntrp_EndFuncArg()
+void ExprIntrp_EndFuncArg()
 {
   ExprIntrp_nbargs++;
 }
 
-extern "C" void ExprIntrp_SumOperator()
+void ExprIntrp_SumOperator()
 {
   Handle(Expr_GeneralExpression) op2 = ExprIntrp_Recept.Pop();
   Handle(Expr_GeneralExpression) op1 = ExprIntrp_Recept.Pop();
@@ -389,7 +389,7 @@ extern "C" void ExprIntrp_SumOperator()
   ExprIntrp_Recept.Push(res);
 }
 
-extern "C" void ExprIntrp_MinusOperator()
+void ExprIntrp_MinusOperator()
 {
   Handle(Expr_GeneralExpression) op2 = ExprIntrp_Recept.Pop();
   Handle(Expr_GeneralExpression) op1 = ExprIntrp_Recept.Pop();
@@ -397,7 +397,7 @@ extern "C" void ExprIntrp_MinusOperator()
   ExprIntrp_Recept.Push(res->ShallowSimplified());
 }
 
-extern "C" void ExprIntrp_DivideOperator()
+void ExprIntrp_DivideOperator()
 {
   Handle(Expr_GeneralExpression) op2 = ExprIntrp_Recept.Pop();
   Handle(Expr_GeneralExpression) op1 = ExprIntrp_Recept.Pop();
@@ -405,7 +405,7 @@ extern "C" void ExprIntrp_DivideOperator()
   ExprIntrp_Recept.Push(res->ShallowSimplified());
 }
 
-extern "C" void ExprIntrp_ExpOperator()
+void ExprIntrp_ExpOperator()
 {
   Handle(Expr_GeneralExpression) op2 = ExprIntrp_Recept.Pop();
   Handle(Expr_GeneralExpression) op1 = ExprIntrp_Recept.Pop();
@@ -413,7 +413,7 @@ extern "C" void ExprIntrp_ExpOperator()
   ExprIntrp_Recept.Push(res->ShallowSimplified());
 }
 
-extern "C" void ExprIntrp_ProductOperator()
+void ExprIntrp_ProductOperator()
 {
   Handle(Expr_GeneralExpression) op2 = ExprIntrp_Recept.Pop();
   Handle(Expr_GeneralExpression) op1 = ExprIntrp_Recept.Pop();
@@ -421,20 +421,20 @@ extern "C" void ExprIntrp_ProductOperator()
   ExprIntrp_Recept.Push(res->ShallowSimplified());
 }
 
-extern "C" void ExprIntrp_UnaryMinusOperator()
+void ExprIntrp_UnaryMinusOperator()
 {
   Handle(Expr_GeneralExpression) op = ExprIntrp_Recept.Pop();
   Handle(Expr_UnaryMinus) res = new Expr_UnaryMinus(op);
   ExprIntrp_Recept.Push(res->ShallowSimplified());
 }
 
-extern "C" void ExprIntrp_UnaryPlusOperator()
+void ExprIntrp_UnaryPlusOperator()
 {
   Handle(Expr_GeneralExpression) op = ExprIntrp_Recept.Pop();
   ExprIntrp_Recept.Push(op);
 }
 
-extern "C" void ExprIntrp_VariableIdentifier()
+void ExprIntrp_VariableIdentifier()
 {
   const TCollection_AsciiString& thename = ExprIntrp_GetResult();
   Handle(Expr_NamedExpression) nameexp = ExprIntrp_Recept.GetNamed(thename);
@@ -445,7 +445,7 @@ extern "C" void ExprIntrp_VariableIdentifier()
   ExprIntrp_Recept.Push(nameexp);
 }
 
-extern "C" void ExprIntrp_NumValue()
+void ExprIntrp_NumValue()
 {
   const TCollection_AsciiString& aStr = ExprIntrp_GetResult();
   Standard_Real value = aStr.RealValue();
@@ -453,12 +453,12 @@ extern "C" void ExprIntrp_NumValue()
   ExprIntrp_Recept.Push(nval);
 }
 
-extern "C" void ExprIntrp_AssignVariable()
+void ExprIntrp_AssignVariable()
 {
   ExprIntrp_assname = ExprIntrp_GetResult();
 }
 
-extern "C" void ExprIntrp_Deassign()
+void ExprIntrp_Deassign()
 {
   const TCollection_AsciiString& thename = ExprIntrp_GetResult();
   Handle(Expr_NamedExpression) nameexp = ExprIntrp_Recept.GetNamed(thename);
@@ -472,25 +472,25 @@ extern "C" void ExprIntrp_Deassign()
   var->Deassign();
 }
 
-extern "C" void ExprIntrp_DefineFunction()
+void ExprIntrp_DefineFunction()
 {
   ExprIntrp_funcdefname = ExprIntrp_Recept.PopName();
   ExprIntrp_Recept.PushValue(ExprIntrp_nbargs);
 }
 
-extern "C" void ExprIntrp_close()
+void ExprIntrp_close()
 {
   ExprIntrp_stop_string();
 }
 
-extern "C" void ExprIntrperror(char* msg)
+void ExprIntrperror(const char* msg)
 {
   ExprIntrp_close();
   throw ExprIntrp_SyntaxError(msg);
 }
 
 
-extern "C" void ExprIntrp_EndOfEqual()
+void ExprIntrp_EndOfEqual()
 {
   Handle(Expr_GeneralExpression) memb2 = ExprIntrp_Recept.Pop();
   Handle(Expr_GeneralExpression) memb1 = ExprIntrp_Recept.Pop();
@@ -498,7 +498,7 @@ extern "C" void ExprIntrp_EndOfEqual()
   ExprIntrp_Recept.PushRelation(res);
 }
 
-extern "C" void ExprIntrp_EndOfRelation()
+void ExprIntrp_EndOfRelation()
 {
   Handle(Expr_SystemRelation) sys;
   Handle(Expr_GeneralRelation) currel;
@@ -524,7 +524,7 @@ extern "C" void ExprIntrp_EndOfRelation()
   }
 }
 
-extern "C" void ExprIntrp_EndOfAssign()
+void ExprIntrp_EndOfAssign()
 {
   Handle(Expr_NamedExpression) namexp = ExprIntrp_Recept.GetNamed(ExprIntrp_assname);
   Handle(Expr_NamedUnknown) namu;
@@ -542,7 +542,7 @@ extern "C" void ExprIntrp_EndOfAssign()
   namu->Assign(ExprIntrp_Recept.Pop());
 }
 
-extern "C" void ExprIntrp_EndOfFuncDef()
+void ExprIntrp_EndOfFuncDef()
 {
   Handle(Expr_GeneralExpression) theexp = ExprIntrp_Recept.Pop();
   Standard_Integer nbargs = ExprIntrp_Recept.PopValue();
@@ -571,13 +571,13 @@ extern "C" void ExprIntrp_EndOfFuncDef()
   ExprIntrp_Recept.Use(thefunc);
 }
 
-extern "C" void ExprIntrp_ConstantIdentifier()
+void ExprIntrp_ConstantIdentifier()
 {
   const TCollection_AsciiString& thename = ExprIntrp_GetResult();
   ExprIntrp_Recept.PushName(thename);
 }
 
-extern "C" void ExprIntrp_ConstantDefinition()
+void ExprIntrp_ConstantDefinition()
 {
   TCollection_AsciiString name = ExprIntrp_Recept.PopName();
   const TCollection_AsciiString& aStr = ExprIntrp_GetResult();
@@ -589,7 +589,7 @@ extern "C" void ExprIntrp_ConstantDefinition()
 }
 
 
-extern "C" void ExprIntrp_Sumator()
+void ExprIntrp_Sumator()
 {
   Handle(Expr_NumericValue) number = Handle(Expr_NumericValue)::DownCast(ExprIntrp_Recept.Pop());
   Standard_Integer nb = (Standard_Integer) number->GetValue();
@@ -617,7 +617,7 @@ extern "C" void ExprIntrp_Sumator()
   ExprIntrp_Recept.Push(res->ShallowSimplified());
 }
 
-extern "C" void ExprIntrp_Productor()
+void ExprIntrp_Productor()
 {
   Handle(Expr_NumericValue) number = Handle(Expr_NumericValue)::DownCast(ExprIntrp_Recept.Pop());
   Standard_Integer nb = (Standard_Integer) number->GetValue();

src/ExprIntrp/ExprIntrp_yaccintrf.hxx

@@ -17,12 +17,8 @@
 #ifndef ExprIntrp_yaccintrf_HeaderFile
 #define ExprIntrp_yaccintrf_HeaderFile
 
-#ifdef __cplusplus
-extern "C" {
-#endif 
-
 int ExprIntrpparse();
-void ExprIntrperror(char* msg);
+void ExprIntrperror(const char* msg);
 
 void ExprIntrp_start_string(const char* str);
 void ExprIntrp_stop_string();
@@ -32,17 +28,9 @@ void ExprIntrp_SetDegree();
 
 int ExprIntrplex(void);
 
-#ifdef __cplusplus
-}
-#endif
-
-#ifdef __cplusplus
-
 #include <TCollection_AsciiString.hxx>
 
 const TCollection_AsciiString& ExprIntrp_GetResult ();
 int ExprIntrp_GetDegree();
 
 #endif
-
-#endif

src/ExprIntrp/ExprIntrp_yacclex.cxx

@@ -23,16 +23,16 @@ static int ExprIntrp_degree;
 #ifndef _WIN32
 extern char* ExprIntrptext;
 #else
-extern "C" char* ExprIntrptext;
+char* ExprIntrptext;
 #endif  // _WIN32
 
 
-extern "C" void ExprIntrp_SetResult()
+void ExprIntrp_SetResult()
 {
   ExprIntrp_curres = ExprIntrptext;
 }
 
-extern "C" void ExprIntrp_SetDegree()
+void ExprIntrp_SetDegree()
 {
   ExprIntrp_degree = (int)strlen(ExprIntrptext);
 }

src/ExprIntrp/FILES

@@ -1,8 +1,8 @@
 ExprIntrp.cxx
 ExprIntrp.hxx
 ExprIntrp.lex
-ExprIntrp.tab.c
-ExprIntrp.tab.h
+ExprIntrp.tab.cxx
+ExprIntrp.tab.hxx
 ExprIntrp.yacc
 ExprIntrp_Analysis.cxx
 ExprIntrp_Analysis.hxx
@@ -27,4 +27,4 @@ ExprIntrp_yaccanal.hxx
 ExprIntrp_yaccintrf.cxx
 ExprIntrp_yaccintrf.hxx
 ExprIntrp_yacclex.cxx
-lex.ExprIntrp.c
+lex.ExprIntrp.cxx

src/Extrema/Extrema_ExtCS.hxx

@@ -60,7 +60,7 @@ public:
   Standard_EXPORT void Initialize (const Adaptor3d_Surface& S, const Standard_Real Uinf, const Standard_Real Usup, const Standard_Real Vinf, const Standard_Real Vsup, const Standard_Real TolC, const Standard_Real TolS);
   
   //! Computes the distances.
-  //! An exception is raised if the fieds have not been
+  //! An exception is raised if the fields have not been
   //! initialized.
   Standard_EXPORT void Perform (const Adaptor3d_Curve& C, const Standard_Real Uinf, const Standard_Real Usup);
   

src/Extrema/Extrema_ExtPS.hxx

@@ -72,7 +72,7 @@ public:
   Standard_EXPORT void Initialize (const Adaptor3d_Surface& S, const Standard_Real Uinf, const Standard_Real Usup, const Standard_Real Vinf, const Standard_Real Vsup, const Standard_Real TolU, const Standard_Real TolV);
   
   //! Computes the distances.
-  //! An exception is raised if the fieds have not been
+  //! An exception is raised if the fields have not been
   //! initialized.
   Standard_EXPORT void Perform (const gp_Pnt& P);
   

src/Extrema/Extrema_ExtSS.hxx

@@ -51,7 +51,7 @@ public:
   Standard_EXPORT void Initialize (const Adaptor3d_Surface& S2, const Standard_Real Uinf2, const Standard_Real Usup2, const Standard_Real Vinf2, const Standard_Real Vsup2, const Standard_Real TolS1);
   
   //! Computes the distances.
-  //! An exception is raised if the fieds have not been
+  //! An exception is raised if the fields have not been
   //! initialized.
   Standard_EXPORT void Perform (const Adaptor3d_Surface& S1, const Standard_Real Uinf1, const Standard_Real Usup1, const Standard_Real Vinf1, const Standard_Real Vsup1, const Standard_Real TolS1);
   

src/FairCurve/FairCurve_Energy.hxx

@@ -77,7 +77,7 @@ public:
 protected:
 
   
-  //! Angles corresspond to the Ox axis
+  //! Angles correspond to the Ox axis
   //! ConstrOrder1(2) can be equal to 0, 1 or 2
   Standard_EXPORT FairCurve_Energy(const Handle(TColgp_HArray1OfPnt2d)& Poles, const Standard_Integer ConstrOrder1, const Standard_Integer ConstrOrder2, const Standard_Boolean WithAuxValue = Standard_False, const Standard_Real Angle1 = 0, const Standard_Real Angle2 = 0, const Standard_Integer Degree = 2, const Standard_Real Curvature1 = 0, const Standard_Real Curvature2 = 0);
   
@@ -98,7 +98,7 @@ protected:
   //! compute the pole which depend of variables and G2 constraint
   Standard_EXPORT void ComputePolesG2 (const Standard_Integer Side, const Standard_Real Lambda, const Standard_Real Rho, const gp_Pnt2d& P1, gp_Pnt2d& P2) const;
   
-  //! compute the energy (and derivatives) in intermediat format
+  //! compute the energy (and derivatives) in intermediate format
   Standard_EXPORT virtual Standard_Boolean Compute (const Standard_Integer DerivativeOrder, math_Vector& Result) = 0;
 
 

src/FairCurve/FairCurve_EnergyOfBatten.hxx

@@ -45,7 +45,7 @@ public:
   DEFINE_STANDARD_ALLOC
 
   
-  //! Angles corresspond to the Ox axis
+  //! Angles correspond to the Ox axis
   Standard_EXPORT FairCurve_EnergyOfBatten(const Standard_Integer BSplOrder, const Handle(TColStd_HArray1OfReal)& FlatKnots, const Handle(TColgp_HArray1OfPnt2d)& Poles, const Standard_Integer ContrOrder1, const Standard_Integer ContrOrder2, const FairCurve_BattenLaw& Law, const Standard_Real LengthSliding, const Standard_Boolean FreeSliding = Standard_True, const Standard_Real Angle1 = 0, const Standard_Real Angle2 = 0);
   
   //! return  the  lengthSliding = P1P2 + Sliding
@@ -66,7 +66,7 @@ protected:
   //! compute  the  poles which correspond with the variable X
   Standard_EXPORT virtual void ComputePoles (const math_Vector& X) Standard_OVERRIDE;
   
-  //! compute the energy in intermediat format
+  //! compute the energy in intermediate format
   Standard_EXPORT virtual Standard_Boolean Compute (const Standard_Integer DerivativeOrder, math_Vector& Result) Standard_OVERRIDE;
 
 

src/FairCurve/FairCurve_EnergyOfMVC.hxx

@@ -45,7 +45,7 @@ public:
   DEFINE_STANDARD_ALLOC
 
   
-  //! Angles corresspond to the Ox axis
+  //! Angles correspond to the Ox axis
   Standard_EXPORT FairCurve_EnergyOfMVC(const Standard_Integer BSplOrder, const Handle(TColStd_HArray1OfReal)& FlatKnots, const Handle(TColgp_HArray1OfPnt2d)& Poles, const Standard_Integer ContrOrder1, const Standard_Integer ContrOrder2, const FairCurve_BattenLaw& Law, const Standard_Real PhysicalRatio, const Standard_Real LengthSliding, const Standard_Boolean FreeSliding = Standard_True, const Standard_Real Angle1 = 0, const Standard_Real Angle2 = 0, const Standard_Real Curvature1 = 0, const Standard_Real Curvature2 = 0);
   
   //! return  the  lengthSliding = P1P2 + Sliding
@@ -66,7 +66,7 @@ protected:
   //! compute the poles which correspond with the variable X
   Standard_EXPORT virtual void ComputePoles (const math_Vector& X) Standard_OVERRIDE;
   
-  //! compute the energy in intermediat format
+  //! compute the energy in intermediate format
   Standard_EXPORT virtual Standard_Boolean Compute (const Standard_Integer DerivativeOrder, math_Vector& Result) Standard_OVERRIDE;
 
 

src/FlexLexer/FlexLexer.h

@@ -95,14 +95,14 @@ public:
 
   int lineno() const          { return yylineno; }
 
-  int debug() const           { return yy_flex_debug; }
-  void set_debug( int flag )  { yy_flex_debug = flag; }
+  int debug() const           { return yyflexdebug; }
+  void set_debug( int flag )  { yyflexdebug = flag; }
 
 protected:
   char* yytext;
   int yyleng;
   int yylineno;       // only maintained if you use %option yylineno
-  int yy_flex_debug;  // only has effect with -d or "%option debug"
+  int yyflexdebug;    // only has effect with -d or "%option debug"
 };
 
 }
@@ -139,6 +139,7 @@ public:
   void yypush_buffer_state( yy_buffer_state* new_buffer );
   void yypop_buffer_state();
 
+  virtual int yyread(char *buf, size_t);
   virtual int yylex();
   virtual void switch_streams( std::istream& new_in, std::ostream& new_out );
   virtual void switch_streams( std::istream* new_in = 0, std::ostream* new_out = 0 );
@@ -149,7 +150,7 @@ protected:
   virtual void LexerOutput( const char* buf, int size );
   virtual void LexerError( const char* msg );
 			
-  void yyunput( int c, char* buf_ptr );
+  void yyunput_r( int c, char* buf_ptr );
   int yyinput();
 
   void yy_load_buffer_state();
@@ -201,6 +202,7 @@ protected:
 
   yy_state_type* yy_state_buf;
   yy_state_type* yy_state_ptr;
+  size_t yy_state_buf_max;
 
   char* yy_full_match;
   int* yy_full_state;

src/Geom2dConvert/Geom2dConvert.cxx

@@ -598,7 +598,7 @@ static void Pretreatment(TColGeom2d_Array1OfBSplineCurve& tab)
 
 //=======================================================================
 //function : NeedToBeTreated
-//purpose  : Say if the BSpline is rationnal and if the two first and two
+//purpose  : Say if the BSpline is rational and if the two first and two
 //           last weigths are different
 //=======================================================================    
 

src/GeomConvert/GeomConvert.cxx

@@ -616,7 +616,7 @@ static void Pretreatment(TColGeom_Array1OfBSplineCurve& tab)
 	 
 //=======================================================================
 //function : NeedToBeTreated
-//purpose  : Say if the BSpline is rationnal and if the two first and two
+//purpose  : Say if the BSpline is rational and if the two first and two
 //           last weigths are different
 //=======================================================================    
 

src/GeomFill/GeomFill_CircularBlendFunc.hxx

@@ -79,7 +79,7 @@ public:
   //! get the Multplicities of the section
   Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const Standard_OVERRIDE;
   
-  //! Returns if the section is rationnal or not
+  //! Returns if the section is rational or not
   Standard_EXPORT virtual Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns  the number  of  intervals for  continuity
@@ -100,7 +100,7 @@ public:
   Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
   
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary (in radian)
   //! SurfTol error inside the surface.

src/GeomFill/GeomFill_EvolvedSection.hxx

@@ -74,7 +74,7 @@ public:
   //! get the Multplicities of the section
   Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const Standard_OVERRIDE;
   
-  //! Returns if the sections are rationnal or not
+  //! Returns if the sections are rational or not
   Standard_EXPORT virtual Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns if the sections are periodic or not

src/GeomFill/GeomFill_NSections.hxx

@@ -100,7 +100,7 @@ public:
   //! get the Multplicities of the section
   Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const Standard_OVERRIDE;
   
-  //! Returns if the sections are rationnal or not
+  //! Returns if the sections are rational or not
   Standard_EXPORT virtual Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns if the sections are periodic or not

src/GeomFill/GeomFill_SectionLaw.hxx

@@ -69,7 +69,7 @@ public:
   //! get the Multplicities of the section
   Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const = 0;
   
-  //! Returns if the sections are rationnal or not
+  //! Returns if the sections are rational or not
   Standard_EXPORT virtual Standard_Boolean IsRational() const = 0;
   
   //! Returns if the sections are periodic or not

src/GeomFill/GeomFill_SweepFunction.hxx

@@ -99,7 +99,7 @@ public:
   Standard_EXPORT virtual void Resolution (const Standard_Integer Index, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE;
 
   //! Returns the tolerance to reach in approximation
-  //! to respecte
+  //! to respect
   //! BoundTol error at the Boundary
   //! AngleTol tangent error at the Boundary (in radian)
   //! SurfTol error inside the surface.

src/GeomFill/GeomFill_UniformSection.hxx

@@ -74,7 +74,7 @@ public:
   //! get the Multplicities of the section
   Standard_EXPORT virtual void Mults (TColStd_Array1OfInteger& TMults) const Standard_OVERRIDE;
   
-  //! Returns if the sections are rationnal or not
+  //! Returns if the sections are rational or not
   Standard_EXPORT virtual Standard_Boolean IsRational() const Standard_OVERRIDE;
   
   //! Returns if the sections are periodic or not

src/GeomLib/GeomLib.cxx

@@ -1985,7 +1985,7 @@ void GeomLib::AxeOfInertia(const TColgp_Array1OfPnt& Points,
 //function : CanBeTreated
 //purpose  : indicates if the surface can be treated(if the conditions are
 //           filled) and need to be treated(if the surface hasn't been yet
-//           treated or if the surface is rationnal and non periodic)
+//           treated or if the surface is rational and non periodic)
 //=======================================================================
 
 static Standard_Boolean CanBeTreated(Handle(Geom_BSplineSurface)& BSurf)

src/GeomPlate/GeomPlate_BuildAveragePlane.hxx

@@ -44,7 +44,7 @@ public:
   
   //! Tol is a Tolerance to make the difference between
   //! the result plane and the result line.
-  //! if POption = 1 : automatical parametrisation
+  //! if POption = 1 : automatic parametrisation
   //! if POption = 2 : parametrisation by eigen vectors
   //! if NOption = 1 : the average plane is the inertial plane.
   //! if NOption = 2 : the average plane is the plane of max. flux.

src/GeomPlate/GeomPlate_BuildPlateSurface.cxx

@@ -1986,7 +1986,7 @@ Intersect(Handle(GeomPlate_HArray1OfSequenceOfReal)& PntInter,
 // the table of sequences Parcont contains all 
 // parameter of points on curves 
 // Field myPlateCont contains parameter of points on a plate;
-// it excludes duplicate points and imcompatible zones.
+// it excludes duplicate points and incompatible zones.
 // The first part corresponds to verification of compatibility
 // and to removal of duplicate points.
 //---------------------------------------------------------

src/IntCurveSurface/IntCurveSurface_Inter.gxx

@@ -1842,7 +1842,7 @@ void EstLimForInfRevl(const gp_Lin&   Line,
   gp_Pln aPlnPrp = aPln.Rotated (gp_Ax1 (O,aXVec), M_PI/2.);
   
   // project Line and it's X-axe symmetric one to plane and intersect
-  // resulting curve with projection of Basic Curev
+  // resulting curve with projection of Basic Curve
   Standard_Real aVmin = RealLast(), aVmax = -aVmin;
   Standard_Boolean aNoInt1 = Standard_False, aNoInt2 = Standard_False;
   ProjectIntersectAndEstLim (Line, aPln,    aBasCurvProj, aVmin, aVmax, aNoInt1);

src/IntWalk/IntWalk_IWalking_5.gxx

@@ -239,7 +239,7 @@ IntWalk_StatusDeflection IntWalk_IWalking::TestDeflection
         // the norm (square) of 3.*lambda (d1 - d4)/8.
         // either the norm of :
         //    3.*(Sqrt(Norme)/3.)*StepSign*(d1-d4)/8.
-        // which produces, takin the square :
+        // which produces, taking the square :
         //         Norme * (d1-d4).SquareMagnitude()/64.
 
       Standard_Real FlecheCourante = 

src/OSD/OSD.cxx

@@ -28,7 +28,7 @@ Standard_Boolean OSD::RealToCString(const Standard_Real aReal,
   if (Sprintf(aString,"%.17e",aReal)  <= 0) //BUC60808
     return Standard_False ;
 
-  // Suppress "e+00" and unsignificant 0's 
+  // Suppress "e+00" and insignificant 0's 
 
   p = strchr(aString,'e');
   if (p) {

src/OSD/OSD_Error.cxx

@@ -315,7 +315,7 @@ void OSD_Error::Perror() {
    }
    break;
   case EINTR:
-   buffer += "operation breaked by a signal";
+   buffer += "operation broken by a signal";
    extCode = ERR_INTR;
    break;
   case ENOMEM: 

src/PrsDim/PrsDim.hxx

@@ -105,7 +105,7 @@ public:
   
   Standard_EXPORT static Standard_Boolean ComputeGeometry (const TopoDS_Vertex& aVertex, gp_Pnt& point, const Handle(Geom_Plane)& aPlane, Standard_Boolean& isOnPlane);
   
-  //! Tryes to get Plane from Face.  Returns Surface of Face
+  //! Tries to get Plane from Face.  Returns Surface of Face
   //! in aSurf.  Returns Standard_True  and Plane of Face in
   //! aPlane in following  cases:
   //! Face is Plane, Offset of Plane,