mirror of
https://github.com/sqlite/sqlite.git
synced 2024-11-21 11:19:14 +01:00
More work on the JS end-user deliverables. Add tool/stripccomments.c to support that.
FossilOrigin-Name: 2156f0744acfe425457430a0f6a7e02de907de85edba81a6d4eef40293e561c8
This commit is contained in:
stephan
parent
ac79fa1c78
commit
b5e2e6fcd3
@ -1,11 +1,29 @@
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########################################################################
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# This GNU makefile drives the build of the sqlite3 WASM
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# components. It is not part of the canonical build process.
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#
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# This build assumes a Linux platform and is not intended for
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# client-level use. It is for the sqlite project's own development of
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# the JS/WASM components.
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#
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# Primary targets:
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#
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# default, all = build in dev mode
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#
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# o0, o1, o2, o3, os, oz = full clean/rebuild with the -Ox level indicated
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# by the target name. Rebuild is necessary for all components to get
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# the desired optimization level.
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#
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# dist = create end user deliverables. Add dist-opt=oX to build with a
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# specific optimization level, where oX is one of the above-listed
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# o? target names.
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#
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# clean = clean up
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########################################################################
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SHELL := $(shell which bash 2>/dev/null)
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MAKEFILE := $(lastword $(MAKEFILE_LIST))
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all:
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release: all
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default: all
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release: default
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# Emscripten SDK home dir and related binaries...
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EMSDK_HOME ?= $(word 1,$(wildcard $(HOME)/src/emsdk $(HOME)/emsdk))
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@ -46,7 +64,9 @@ dir.api := api
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dir.jacc := jaccwabyt
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dir.common := common
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dir.fiddle := fiddle
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dir.tool := $(dir.top)/tool
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CLEAN_FILES := *~ $(dir.jacc)/*~ $(dir.api)/*~ $(dir.common)/*~
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DISTCLEAN_FILES := ./-dummy
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emcc_enable_bigint ?= 1
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sqlite3.c := $(dir.top)/sqlite3.c
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sqlite3.h := $(dir.top)/sqlite3.h
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@ -113,8 +133,11 @@ emcc_opt_full := $(emcc_opt) -g3
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$(sqlite3.c) $(sqlite3.h):
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$(MAKE) -C $(dir.top) sqlite3.c
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.PHONY: clean distclean
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clean:
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-rm -f $(CLEAN_FILES)
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distclean: clean
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-rm -f $(DISTCLEAN_FILES)
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ifeq (release,$(filter release,$(MAKECMDGOALS)))
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ifeq (,$(wasm-strip))
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@ -128,7 +151,12 @@ endif
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version-info := $(dir.wasm)/version-info
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$(version-info): $(dir.wasm)/version-info.c $(sqlite3.h) $(MAKEFILE)
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$(CC) -O0 -I$(dir.top) -o $@ $<
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CLEAN_FILES := $(version-info)
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DISTCLEAN_FILES += $(version-info)
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stripccomments := $(dir.tool)/stripccomments
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$(stripccomments): $(stripccomments).c $(MAKEFILE)
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$(CC) -o $@ $<
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DISTCLEAN_FILES += $(stripccomments)
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EXPORTED_FUNCTIONS.api.in := $(dir.api)/EXPORTED_FUNCTIONS.sqlite3-api
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@ -480,11 +508,7 @@ push-fiddle: $(fiddle_files)
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# painful.
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.PHONY: o0 o1 o2 o3 os oz
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o-xtra := -g3
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# ^^^ -g3 is important to keep higher -O levels from mangling (via
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# minification), or outright removing, otherwise working code.
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o-xtra += -flto
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o-xtra := -flto
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# ^^^^ -flto can have a considerably performance boost at -O0 but
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# doubles the build time and seems to have negligible effect on
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# higher optimization levels.
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@ -515,7 +539,9 @@ PLATFORMS_WITH_NO_WASMFS := aarch64 # add any others here
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THIS_ARCH := $(shell /usr/bin/uname -m)
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ifneq (,$(filter $(THIS_ARCH),$(PLATFORMS_WITH_NO_WASMFS)))
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$(info This platform does not support the WASMFS build.)
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HAVE_WASMFS := 0
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else
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HAVE_WASMFS := 1
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include wasmfs.make
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endif
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@ -15,10 +15,10 @@ This archive contains two related deliverables:
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but is less portable than the main build, so is provided
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as a separate binary.
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Both directories contain small demonstration apps. Browsers will not
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server WASM files from file:// URLs, so the demonstrations require a
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web server and that server must include the following headers in its
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response when serving the files:
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Both directories contain small demonstration and test apps. Browsers
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will not serve WASM files from file:// URLs, so the demo/test apps
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require a web server and that server must include the following
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headers in its response when serving the files:
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Cross-Origin-Opener-Policy: same-origin
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Cross-Origin-Embedder-Policy: require-corp
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@ -9,51 +9,87 @@
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#######################################################################
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MAKEFILE.dist := $(lastword $(MAKEFILE_LIST))
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ifeq (0,$(HAVE_WASMFS))
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$(error The 'dist' target needs to be run on a WASMFS-capable platform.)
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endif
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########################################################################
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# Chicken/egg situation: we need $(version-info) to get the version
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# info for the archive name, but that binary may not yet be built, so
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# we have to use a temporary name for the archive.
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# info for the archive name, but that binary may not yet be built, and
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# won't be built until we expand the dependencies. We have to use a
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# temporary name for the archive.
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dist-name = sqlite-wasm-TEMP
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dist-archive = $(dist-name).zip
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.PHONY: $(dist-archive)
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CLEAN_FILES += $(wildcard sqlite-wasm-*.zip)
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#ifeq (0,1)
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# $(info WARNING *******************************************************************)
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# $(info ** Be sure to create the desired build configuration before creating the)
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# $(info ** distribution archive. Use one of the following targets to do so:)
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# $(info **)
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# $(info ** o2: builds with -O2, resulting in the fastest builds)
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# $(info ** oz: builds with -Oz, resulting in the smallest builds)
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# $(info /WARNING *******************************************************************)
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#endif
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########################################################################
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# dist-opt must be the name of a target which triggers the
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# build of the files to be packed into the dist archive. The
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# intention is that it be one of (o0, o1, o2, o3, os, oz), each of
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# which uses like-named -Ox optimization level flags. The o2 target
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# provides the best overall runtime speeds. The oz target provides
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# slightly slower speeds (roughly 10%) with significantly smaller WASM
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# file sizes. Note that -O2 (the o2 target) results in faster binaries
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# than both -O3 and -Os (the o3 and os targets) in all tests run to
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# date.
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dist-opt ?= oz
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demo-123.html := $(dir.wasm)/demo-123.html
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demo-123-worker.html := $(dir.wasm)/demo-123-worker.html
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demo-123.js := $(dir.wasm)/demo-123.js
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demo-files := $(demo-123.js) $(demo-123.html) $(demo-123-worker.html)
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demo-files := $(demo-123.js) $(demo-123.html) $(demo-123-worker.html) \
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tester1.html tester1.js tester1-worker.html
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README-dist := $(dir.wasm)/README-dist.txt
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$(dist-archive): $(sqlite3.wasm) $(sqlite3.js) $(sqlite3-wasmfs.wasm) $(sqlite3-wasmfs.js)
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#$(dist-archive): $(sqlite3.h) $(sqlite3.c) $(sqlite3-wasm.c)
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$(dist-archive): $(MAKEFILE.dist) $(version-info) $(demo-files) $(README-dist)
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$(dist-archive): oz
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rm -fr $(dist-name)
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mkdir -p $(dist-name)/main $(dist-name)/wasmfs
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cp -p $(README-dist) $(dist-name)/README.txt
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cp -p $(sqlite3.wasm) $(sqlite3.js) $(dist-name)/main
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cp -p $(demo-files) $(dist-name)/main
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cp -p $(sqlite3-wasmfs.wasm) $(sqlite3-wasmfs.js) $(dist-name)/wasmfs
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for i in $(demo-123.js) $(demo-123.html); do \
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dist-dir-main := $(dist-name)/main
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dist-dir-wasmfs := $(dist-name)/wasmfs
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########################################################################
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# $(dist-archive): create the end-user deliverable archive.
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#
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# Maintenance reminder: because $(dist-archive) depends on
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# $(dist-opt), and $(dist-opt) will depend on clean, having any deps
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# on $(dist-archive) which themselves may be cleaned up by the clean
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# target will lead to grief in parallel builds (-j #). Thus
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# $(dist-target)'s deps must be trimmed to non-generated files or
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# files which are _not_ cleaned up by the clean target.
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$(dist-archive): \
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$(stripccomments) $(version-info) \
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$(dist-opt) \
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$(MAKEFILE) $(MAKEFILE.dist)
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@echo "Making end-user deliverables..."
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@rm -fr $(dist-name)
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@mkdir -p $(dist-dir-main) $(dist-dir-wasmfs)
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@cp -p $(README-dist) $(dist-name)/README.txt
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@cp -p $(sqlite3.wasm) $(dist-dir-main)
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@$(stripccomments) -k -k < $(sqlite3.js) \
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> $(dist-dir-main)/$(notdir $(sqlite3.js))
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@cp -p $(demo-files) $(dist-dir-main)
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@cp -p $(sqlite3-wasmfs.wasm) sqlite3-wasmfs.worker.js $(dist-dir-wasmfs)
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@$(stripccomments) -k -k < $(sqlite3-wasmfs.js) \
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> $(dist-dir-wasmfs)/$(notdir $(sqlite3-wasmfs.js))
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@for i in $(demo-123.js) $(demo-123.html); do \
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sed -e 's/\bsqlite3\.js\b/sqlite3-wasmfs.js/' $$i \
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> $(dist-name)/wasmfs/$${i##*/} || exit; \
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> $(dist-dir-wasmfs)/$${i##*/} || exit; \
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done
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vnum=$$($(version-info) --version-number); \
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@vnum=$$($(version-info) --version-number); \
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vdir=sqlite-wasm-$$vnum; \
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arc=$$vdir.zip; \
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echo "Making $$arc ..."; \
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rm -f $$arc; \
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mv $(dist-name) $$vdir; \
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zip -qr $$arc $$vdir; \
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rm -fr $$vdir; \
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ls -la $$arc; \
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unzip -l $$arc
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unzip -lv $$arc || echo "Missing unzip app? Not fatal."
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#$(shell $(version-info) --version-number)
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dist: $(dist-archive)
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19
manifest
19
manifest
@ -1,5 +1,5 @@
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C Add\snew\stest\sfile\swindowE.test,\sto\stest\sthe\swindow\sfunctions\smodules\sresponse\sto\san\sinconsistent\scollation\ssequence.
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D 2022-10-18T15:02:08.725
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C More\swork\son\sthe\sJS\send-user\sdeliverables.\sAdd\stool/stripccomments.c\sto\ssupport\sthat.
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D 2022-10-18T20:36:50.562
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F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
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F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
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F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
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@ -473,8 +473,8 @@ F ext/userauth/user-auth.txt e6641021a9210364665fe625d067617d03f27b04
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F ext/userauth/userauth.c 7f00cded7dcaa5d47f54539b290a43d2e59f4b1eb5f447545fa865f002fc80cb
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F ext/wasm/EXPORTED_FUNCTIONS.fiddle.in 27450c8b8c70875a260aca55435ec927068b34cef801a96205adb81bdcefc65c
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F ext/wasm/EXPORTED_RUNTIME_METHODS.fiddle 0e88c8cfc3719e4b7e74980d9da664c709e68acf863e48386cda376edfd3bfb0
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F ext/wasm/GNUmakefile 2fd83d7183bce3f9236fdd2dbe20a4ea37b1d7b26e1a422054ec63008319f065
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F ext/wasm/README-dist.txt bc1fb4f90a28ad2ed0e555a637f393b9249d8d928ac509dad6293b7cae628ea4
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F ext/wasm/GNUmakefile 279fd4589ba602e24d8e66ca795ec5a2275a0e329405e4e984e8ea0579339bae
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F ext/wasm/README-dist.txt 170be2d47b4b52504ef09088ca2f143aab657de0f9ac04d3a68e366f40929c3d
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F ext/wasm/README.md 1e5b28158b74ab3ffc9d54fcbc020f0bbeb82c2ff8bbd904214c86c70e8a3066
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F ext/wasm/api/EXPORTED_FUNCTIONS.sqlite3-api 89983a8d122c35a90c65ec667844b95a78bcd04f3198a99c1e0c8368c1a0b03a
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F ext/wasm/api/EXPORTED_RUNTIME_METHODS.sqlite3-api 1ec3c73e7d66e95529c3c64ac3de2470b0e9e7fbf7a5b41261c367cf4f1b7287
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@ -504,7 +504,7 @@ F ext/wasm/demo-123.html 7c239c9951d1b113f9f532969ac039294cf1dcfee2b3ae0a2c1ed2b
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F ext/wasm/demo-123.js e0cbeb3495e14103763d5c49794a24d67cf3d78e0ed5b82843be70c0c2ee4b3b
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F ext/wasm/demo-kvvfs1.html 7d4f28873de67f51ac18c584b7d920825139866a96049a49c424d6f5a0ea5e7f
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F ext/wasm/demo-kvvfs1.js 105596bd2ccd0b1deb5fde8e99b536e8242d4bb5932fac0c8403ff3a6bc547e8
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F ext/wasm/dist.make d7076e90f04396f1cc54cb41ee106451496179c10d54bbdebb65ae7b1ae12211
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F ext/wasm/dist.make 1d59fafdfcf6fc5ee0f3351b21199585dba21afcf0518241789fd5d37a1c011d
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F ext/wasm/fiddle.make b609dfde299b4523d7123b7e0cecaa1a0aff0dd984e62cea653aae91f5063c90
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F ext/wasm/fiddle/emscripten.css 3d253a6fdb8983a2ac983855bfbdd4b6fa1ff267c28d69513dd6ef1f289ada3f
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F ext/wasm/fiddle/fiddle-worker.js 531859a471924a0ea48afa218e6877f0c164ca324d51e15843ed6ecc1c65c7ee
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@ -2007,6 +2007,7 @@ F tool/sqltclsh.c.in 1bcc2e9da58fadf17b0bf6a50e68c1159e602ce057210b655d50bad5aaa
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F tool/sqltclsh.tcl 862f4cf1418df5e1315b5db3b5ebe88969e2a784525af5fbf9596592f14ed848
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F tool/srcck1.c 371de5363b70154012955544f86fdee8f6e5326f
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F tool/stack_usage.tcl f8e71b92cdb099a147dad572375595eae55eca43
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F tool/stripccomments.c 20b8aabc4694d0d4af5566e42da1f1a03aff057689370326e9269a9ddcffdc37
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F tool/symbols-mingw.sh 4dbcea7e74768305384c9fd2ed2b41bbf9f0414d
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F tool/symbols.sh 1612bd947750e21e7b47befad5f6b3825b06cce0705441f903bf35ced65ae9b9
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F tool/varint.c 5d94cb5003db9dbbcbcc5df08d66f16071aee003
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@ -2036,8 +2037,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P 904b54625d985e742888e06ba792cab316b9ec9d6669d9cf509bac48030373ca
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R 609c010622cb8a1edf242ffa07ea33a0
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U dan
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Z 47ec91d5045ad14459bc2cd80292963b
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P 740a2eb0928d54fdf735a8e573c6a61a34dbd295b46e5b6ef39e957fd2623293
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R f3423b9e5fdd1b3c8749326c161b8bbf
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U stephan
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Z 8ed4b03e8c6243f1d25f4dc2d31715c7
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# Remove this line to create a well-formed Fossil manifest.
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@ -1 +1 @@
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740a2eb0928d54fdf735a8e573c6a61a34dbd295b46e5b6ef39e957fd2623293
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2156f0744acfe425457430a0f6a7e02de907de85edba81a6d4eef40293e561c8
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228
tool/stripccomments.c
Normal file
228
tool/stripccomments.c
Normal file
@ -0,0 +1,228 @@
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/**
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Strips C- and C++-style comments from stdin, sending the results to
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stdout. It assumes that its input is legal C-like code, and does
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only little error handling.
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|
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It treats string literals as anything starting and ending with
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matching double OR single quotes OR backticks (for use with
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scripting languages which use those). It assumes that a quote
|
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character within a string which uses the same quote type is escaped
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by a backslash. It should not be used on any code which might
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contain C/C++ comments inside heredocs, and similar constructs, as
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it will strip those out.
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Usage: $0 [--keep-first|-k] < input > output
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The --keep-first (-k) flag tells it to retain the first comment in the
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input stream (which is often a license or attribution block). It
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may be given repeatedly, each one incrementing the number of
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retained comments by one.
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License: Public Domain
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Author: Stephan Beal (stephan@wanderinghorse.net)
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*/
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#include <stdio.h>
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#include <assert.h>
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#include <string.h>
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#if 1
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#define MARKER(pfexp) \
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do{ printf("MARKER: %s:%d:\t",__FILE__,__LINE__); \
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printf pfexp; \
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} while(0)
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#else
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#define MARKER(exp) if(0) printf
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#endif
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struct {
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FILE * input;
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FILE * output;
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int rc;
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int keepFirst;
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} App = {
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0/*input*/,
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0/*output*/,
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0/*rc*/,
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0/*keepFirst*/
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};
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void do_it_all(void){
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enum states {
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S_NONE = 0 /* not in comment */,
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S_SLASH1 = 1 /* slash - possibly comment prefix */,
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S_CPP = 2 /* in C++ comment */,
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S_C = 3 /* in C comment */
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};
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int ch, prev = EOF;
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FILE * out = App.output;
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int const slash = '/';
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int const star = '*';
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int line = 1;
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int col = 0;
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enum states state = S_NONE /* current state */;
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int elide = 0 /* true if currently eliding output */;
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||||
int state3Col = -99
|
||||
/* huge kludge for odd corner case: */
|
||||
/*/ <--- here. state3Col marks the source column in which a C-style
|
||||
comment starts, so that it can tell if star-slash inside a
|
||||
C-style comment is the end of the comment or is the weird corner
|
||||
case marked at the start of _this_ comment block. */;
|
||||
for( ; EOF != (ch = fgetc(App.input)); prev = ch,
|
||||
++col){
|
||||
switch(state){
|
||||
case S_NONE:
|
||||
if('\''==ch || '"'==ch || '`'==ch){
|
||||
/* Read string literal...
|
||||
needed to properly catch comments in strings. */
|
||||
int const quote = ch,
|
||||
startLine = line, startCol = col;
|
||||
int ch2, escaped = 0, endOfString = 0;
|
||||
fputc(ch, out);
|
||||
for( ++col; !endOfString && EOF != (ch2 = fgetc(App.input));
|
||||
++col ){
|
||||
switch(ch2){
|
||||
case '\\': escaped = !escaped;
|
||||
break;
|
||||
case '`':
|
||||
case '\'':
|
||||
case '"':
|
||||
if(!escaped && quote == ch2) endOfString = 1;
|
||||
escaped = 0;
|
||||
break;
|
||||
default:
|
||||
escaped = 0;
|
||||
break;
|
||||
}
|
||||
if('\n'==ch2){
|
||||
++line;
|
||||
col = 0;
|
||||
}
|
||||
fputc(ch2, out);
|
||||
}
|
||||
if(EOF == ch2){
|
||||
fprintf(stderr, "Unexpected EOF while reading %s literal "
|
||||
"on line %d column %d.\n",
|
||||
('\''==ch) ? "char" : "string",
|
||||
startLine, startCol);
|
||||
App.rc = 1;
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
else if(slash == ch){
|
||||
/* MARKER(("state 0 ==> 1 @ %d:%d\n", line, col)); */
|
||||
state = S_SLASH1;
|
||||
break;
|
||||
}
|
||||
fputc(ch, out);
|
||||
break;
|
||||
case S_SLASH1: /* 1 slash */
|
||||
/* MARKER(("SLASH1 @ %d:%d App.keepFirst=%d\n",
|
||||
line, col, App.keepFirst)); */
|
||||
switch(ch){
|
||||
case '*':
|
||||
/* Enter C comment */
|
||||
if(App.keepFirst>0){
|
||||
elide = 0;
|
||||
--App.keepFirst;
|
||||
}else{
|
||||
elide = 1;
|
||||
}
|
||||
/*MARKER(("state 1 ==> 3 @ %d:%d\n", line, col));*/
|
||||
state = S_C;
|
||||
state3Col = col-1;
|
||||
if(!elide){
|
||||
fputc(prev, out);
|
||||
fputc(ch, out);
|
||||
}
|
||||
break;
|
||||
case '/':
|
||||
/* Enter C++ comment */
|
||||
if(App.keepFirst>0){
|
||||
elide = 0;
|
||||
--App.keepFirst;
|
||||
}else{
|
||||
elide = 1;
|
||||
}
|
||||
/*MARKER(("state 1 ==> 2 @ %d:%d\n", line, col));*/
|
||||
state = S_CPP;
|
||||
if(!elide){
|
||||
fputc(prev, out);
|
||||
fputc(ch, out);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
/* It wasn't a comment after all. */
|
||||
state = S_NONE;
|
||||
if(!elide){
|
||||
fputc(prev, out);
|
||||
fputc(ch, out);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case S_CPP: /* C++ comment */
|
||||
if('\n' == ch){
|
||||
/* MARKER(("state 2 ==> 0 @ %d:%d\n", line, col)); */
|
||||
state = S_NONE;
|
||||
elide = 0;
|
||||
}
|
||||
if(!elide){
|
||||
fputc(ch, out);
|
||||
}
|
||||
break;
|
||||
case S_C: /* C comment */
|
||||
if(!elide){
|
||||
fputc(ch, out);
|
||||
}
|
||||
if(slash == ch){
|
||||
if(star == prev){
|
||||
/* MARKER(("state 3 ==> 0 @ %d:%d\n", line, col)); */
|
||||
/* Corner case which breaks this: */
|
||||
/*/ <-- slash there */
|
||||
/* That shows up twice in a piece of 3rd-party
|
||||
code i use. */
|
||||
/* And thus state3Col was introduced :/ */
|
||||
if(col!=state3Col+2){
|
||||
state = S_NONE;
|
||||
elide = 0;
|
||||
state3Col = -99;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
assert(!"impossible!");
|
||||
break;
|
||||
}
|
||||
if('\n' == ch){
|
||||
++line;
|
||||
col = 0;
|
||||
state3Col = -99;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void usage(char const *zAppName){
|
||||
fprintf(stderr, "Strips C- and C++-style comments from stdin and sends "
|
||||
"the results to stdout.\n");
|
||||
fprintf(stderr, "Usage: %s [--keep-first|-k] < input > output\n", zAppName);
|
||||
}
|
||||
|
||||
int main( int argc, char const * const * argv ){
|
||||
int i;
|
||||
for(i = 1; i < argc; ++i){
|
||||
char const * zArg = argv[i];
|
||||
while( '-'==*zArg ) ++zArg;
|
||||
if( 0==strcmp(zArg,"k")
|
||||
|| 0==strcmp(zArg,"keep-first") ){
|
||||
++App.keepFirst;
|
||||
}else{
|
||||
usage(argv[0]);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
App.input = stdin;
|
||||
App.output = stdout;
|
||||
do_it_all();
|
||||
return App.rc ? 1 : 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user