Compile to WebAssembly (experimental)

.github/workflows/pages.yml

@@ -55,8 +55,8 @@ jobs:
     - name: Install git, linguist
       uses: awalsh128/cache-apt-pkgs-action@latest
       with:
-        packages: git ruby-github-linguist
-        version: docs
+        packages: git ruby-github-linguist emscripten
+        version: docs2
 
     - name: Build sphinx docs
       run: make docs_dependencies html

c/Makefile

@@ -66,10 +66,17 @@ native_test: native
 
 .PHONY: clean
 clean:
-	@rm -rf build {.,*,*/*}/{*.pyc,__pycache__,.mypy_cache,.pytest_cache,.benchmarks} || echo
+	@rm -rf build dist {.,*,*/*}/{*.pyc,__pycache__,.mypy_cache,.pytest_cache,.benchmarks} || echo
 
-.PHONY: wasm
-wasm: ../LICENSE
-	@wget https://github.com/jedisct1/libclang_rt.builtins-wasm32.a -O wasm32.a
+dist/lib.wasm: build/lib.c
+	@mkdir -p dist
+	@emcc build/lib.c -Wl,--whole-archive -DUNITY_END -O$(O) -o dist/lib.js
+
+build/lib.c: ../LICENSE
 	@mkdir -p build
-	@clang -DUNITY_END --target=wasm32-unknown-wasi --sysroot /tmp/wasi-libc -nostartfiles -Wl,--import-memory -Wl,--no-entry -Wl,--export-all -o build/c.wasm test.c
+	@> build/lib.c
+	@for file in src/p*.c; do \
+		if [ -f "$$file" ]; then \
+			echo "#include \"../$$file\"" >> build/lib.c; \
+		fi \
+	done

cplusplus/Makefile

@@ -58,4 +58,17 @@ native_test: native
 
 .PHONY: clean
 clean:
-	@rm -rf build {.,*,*/*}/{*.pyc,__pycache__,.mypy_cache,.pytest_cache,.benchmarks} || echo
+	@rm -rf build dist {.,*,*/*}/{*.pyc,__pycache__,.mypy_cache,.pytest_cache,.benchmarks} || echo
+
+dist/lib.wasm: build/lib.cpp
+        @mkdir -p dist
+        @emc++ build/lib.cpp -Wl,--whole-archive -DUNITY_END -O$(O) -o dist/lib.js
+
+build/lib.cpp: ../LICENSE
+        @mkdir -p build
+        @> build/lib.cpp
+        @for file in src/p*.cpp; do \
+                if [ -f "$$file" ]; then \
+                        echo "#include \"../$$file\"" >> build/lib.c; \
+                fi \
+        done

docs/Makefile

@@ -40,6 +40,11 @@ _static/dist/bundle.js:
 	@mkdir -p _static/dist
 	@cp ../javascript/dist/bundle-js.js _static/dist/bundle-js.js
 
+_static/dist/cplusplus-lib.js:
+	@$(MAKE) -C ../cplusplus dist/lib.js $(MFLAGS)
+	@cp ../c/dist/lib.js _static/dist/cp-lib.js
+	@cp ../c/dist/lib.wasm _static/dist/cp-lib.wasm
+
 _static/dist/rust.js:
 	@cd ../rust && wasm-pack build --target web --out-dir ../docs/_static/dist/
 
@@ -48,7 +53,7 @@ _static/dist/python.tar.gz:
 
 .PHONY: html
 html:
-	@$(MAKE) _static/dist/bundle.js _static/dist/python.tar.gz _static/dist/rust.js $(MFLAGS) -j
+	@$(MAKE) _static/dist/bundle.js _static/dist/c-lib.js _static/dist/cplusplus-lib.js _static/dist/python.tar.gz _static/dist/rust.js $(MFLAGS) -j
 	@$(SPHINXBUILD) -M html "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
 # Catch-all target: route all unknown targets to Sphinx using the new