Stop Outputting #line directives in Flex and Bison Output .cpp/ .h Files

[popescu-v]

Description

Currently, #line preprocessor directives with absolute paths are outputted in the following files:

	src/Learning/KWData/KWCLex.inc
	src/Learning/KWData/KWCYac.cpp
	src/Learning/KWData/KWCYac.hpp
	src/Norm/base/JSONLex.inc
	src/Norm/base/JSONYac.cpp
	src/Norm/base/JSONYac.hpp

These directives contain absolute paths, which:

• can leak local machine-specific details
• are not directly portable to other machines (for other developers).

Questions/Ideas

The goal of this issue is to add:

• %noline option to Flex
• %no-line option to Bison
  so that #line directives are not outputted anymore. These directives would only be used during development, on the local machine of the developer, but would not be committed anymore.

Context

• Khiops version: >= 11
• OS description (use khiops -s): All supported.

[popescu-v]

3 stages:

• add CMake option to generate these files w/o #line directives
• document convention to generate these files w/o #line before committing them
• add pre-commit hook to warn on the presence of #line directives in these files.