Start removing guidelines folder

Disable the export to docs and remove any references to the guidelines folder.

Makefile

@@ -996,15 +996,12 @@ docs/source/cell/word_add.rst: $(TARGETS) $(EXTRA_TARGETS)
 docs/source/generated/cells.json: docs/source/generated $(TARGETS) $(EXTRA_TARGETS)
 	$(Q) ./$(PROGRAM_PREFIX)yosys -p 'help -dump-cells-json $@'
 
-PHONY: docs/gen docs/guidelines docs/usage docs/reqs
+PHONY: docs/gen docs/usage docs/reqs
 docs/gen: $(TARGETS)
 	$(Q) $(MAKE) -C docs gen
 
-DOCS_GUIDELINE_FILES := GettingStarted CodingStyle
-DOCS_GUIDELINE_SOURCE := $(addprefix guidelines/,$(DOCS_GUIDELINE_FILES))
-docs/guidelines docs/source/generated: $(DOCS_GUIDELINE_SOURCE)
+docs/source/generated:
 	$(Q) mkdir -p docs/source/generated
-	$(Q) cp -f $(DOCS_GUIDELINE_SOURCE) docs/source/generated
 
 # some commands return an error and print the usage text to stderr
 define DOC_USAGE_STDERR
@@ -1034,7 +1031,7 @@ docs/reqs:
 	$(Q) $(MAKE) -C docs reqs
 
 .PHONY: docs/prep
-docs/prep: docs/source/cmd/abc.rst docs/source/generated/cells.json docs/gen docs/guidelines docs/usage
+docs/prep: docs/source/cmd/abc.rst docs/source/generated/cells.json docs/gen docs/usage
 
 DOC_TARGET ?= html
 docs: docs/prep

README.md

@@ -47,9 +47,6 @@ The "Documentation" page on the web site contains links to more resources,
 including a manual that even describes some of the Yosys internals:
 - https://yosyshq.net/yosys/documentation.html
 
-The directory `guidelines` contains additional information
-for people interested in using the Yosys C++ APIs.
-
 Users interested in formal verification might want to use the formal verification
 front-end for Yosys, SymbiYosys:
 - https://symbiyosys.readthedocs.io/en/latest/

docs/source/getting_started/installation.rst

@@ -161,10 +161,6 @@ directories:
 ``frontends/``
    This directory contains a subdirectory for each of the frontend modules.
 
-``guidelines/``
-   Contains developer guidelines, including the code of conduct and coding style
-   guide.
-
 ``kernel/``
    This directory contains all the core functionality of Yosys. This includes
    the functions and definitions for working with the RTLIL data structures

docs/source/yosys_internals/extending_yosys/extensions.rst

@@ -11,11 +11,7 @@ Writing extensions
 This chapter contains some bits and pieces of information about programming
 yosys extensions. Don't be afraid to ask questions on the YosysHQ Slack.
 
-The :file:`guidelines/` directory of the Yosys source code contains notes on
-various aspects of Yosys development. In particular, the files GettingStarted
-and CodingStyle may be of interest.
-
-.. todo:: what's in guidelines/GettingStarted that's missing from the manual?
+.. todo:: mention coding guide
 
 Quick guide
 -----------

kernel/yosys.h

@@ -32,8 +32,6 @@
 //
 // This header is very boring. It just defines some general things that
 // belong nowhere else and includes the interesting headers.
-//
-// Find more information in the "guidelines/GettingStarted" file.
 
 
 #ifndef YOSYS_H