mirror of
https://github.com/janet-lang/janet
synced 2024-12-25 07:50:27 +00:00
Remove emscripten build.
Prefer using custom toolchain with amalgmated build.
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022be217a2
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@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
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- Let abstract types define a hash function and comparison/equality semantics. This lets
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abstract types much better represent value types. This adds more fields to abstract types, which
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will generate warnings when compiled against other versions.
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- Remove Emscripten build. Instead, use the amalgamated source code with a custom toolchain.
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- Update documentation.
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### 1.6.0 - 2019-12-22
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29
Makefile
29
Makefile
@ -166,35 +166,6 @@ $(JANET_LIBRARY): $(JANET_CORE_OBJECTS)
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$(JANET_STATIC_LIBRARY): $(JANET_CORE_OBJECTS)
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$(AR) rcs $@ $^
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######################
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##### Emscripten #####
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######################
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EMCC=emcc
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EMCFLAGS=-std=c99 -Wall -Wextra -Isrc/include -Isrc/conf -O2 \
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-s EXTRA_EXPORTED_RUNTIME_METHODS='["cwrap"]' \
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-s ALLOW_MEMORY_GROWTH=1 \
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-s AGGRESSIVE_VARIABLE_ELIMINATION=1 \
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-DJANET_BUILD=$(JANET_BUILD)
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JANET_EMTARGET=build/janet.js
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JANET_WEB_SOURCES=$(JANET_CORE_SOURCES) $(JANET_WEBCLIENT_SOURCES)
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JANET_EMOBJECTS=$(patsubst src/%.c,build/%.bc,$(JANET_WEB_SOURCES)) \
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build/webinit.gen.bc build/core_image.bc
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%.gen.bc: %.gen.c
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$(EMCC) $(EMCFLAGS) -o $@ -c $<
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build/core_image.bc: build/core_image.c $(JANET_HEADERS) $(JANET_LOCAL_HEADERS)
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$(EMCC) $(EMCFLAGS) -o $@ -c $<
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build/%.bc: src/%.c $(JANET_HEADERS) $(JANET_LOCAL_HEADERS)
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$(EMCC) $(EMCFLAGS) -o $@ -c $<
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$(JANET_EMTARGET): $(JANET_EMOBJECTS)
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$(EMCC) $(EMCFLAGS) -shared -o $@ $^
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emscripten: $(JANET_EMTARGET)
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#############################
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##### Generated C files #####
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#############################
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@ -114,15 +114,6 @@ gmake repl
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3. Run `build_win` to compile janet.
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4. Run `build_win test` to make sure everything is working.
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### Emscripten
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To build janet for the web via [Emscripten](https://kripken.github.io/emscripten-site/), make sure you
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have `emcc` installed and on your path. On a linux or macOS system, use `make emscripten` to build
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`janet.js` and `janet.wasm` - both are needed to run janet in a browser or in node.
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The JavaScript build is what runs the repl on the main website,
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but really serves mainly as a proof of concept. Janet will run slower in a browser.
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Building with emscripten on windows is currently unsupported.
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### Meson
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Janet also has a build file for [Meson](https://mesonbuild.com/), a cross platform build
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@ -1,126 +0,0 @@
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/*
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* Copyright (c) 2019 Calvin Rose
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <janet.h>
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#include <emscripten.h>
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extern const unsigned char *janet_gen_webinit;
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extern int32_t janet_gen_webinit_size;
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static JanetFiber *repl_fiber = NULL;
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static JanetBuffer *line_buffer = NULL;
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static const uint8_t *line_prompt = NULL;
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/* Yield to JS event loop from janet. Takes a repl prompt
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* and a buffer to fill with input data. */
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static Janet repl_yield(int32_t argc, Janet *argv) {
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janet_fixarity(argc, 2);
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line_prompt = janet_getstring(argv, 0);
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line_buffer = janet_getbuffer(argv, 1);
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return janet_wrap_nil();
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}
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/* Re-enter the loop */
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static int enter_loop(void) {
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Janet ret;
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JanetSignal status = janet_continue(repl_fiber, janet_wrap_nil(), &ret);
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if (status == JANET_SIGNAL_ERROR) {
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janet_stacktrace(repl_fiber, ret);
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janet_deinit();
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repl_fiber = NULL;
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return 1;
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}
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return 0;
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}
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/* Allow JS interoperation from within janet */
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static Janet cfun_js(int32_t argc, Janet *argv) {
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janet_fixarity(argc, 1);
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JanetByteView bytes = janet_getbytes(argv, 0);
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emscripten_run_script((const char *)bytes.bytes);
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return janet_wrap_nil();
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}
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/* Initialize the repl */
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EMSCRIPTEN_KEEPALIVE
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void repl_init(void) {
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int status;
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JanetTable *env;
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/* Set up VM */
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janet_init();
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janet_register("repl-yield", repl_yield);
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janet_register("js", cfun_js);
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env = janet_core_env(NULL);
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janet_def(env, "repl-yield", janet_wrap_cfunction(repl_yield), NULL);
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janet_def(env, "js", janet_wrap_cfunction(cfun_js), NULL);
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/* Run startup script */
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Janet ret;
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status = janet_dobytes(env, janet_gen_webinit, janet_gen_webinit_size, "webinit.janet", &ret);
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if (status == JANET_SIGNAL_ERROR) {
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printf("start up error.\n");
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janet_deinit();
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repl_fiber = NULL;
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return;
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}
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janet_gcroot(ret);
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repl_fiber = janet_unwrap_fiber(ret);
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/* Start repl */
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if (enter_loop()) return;
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}
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/* Deinitialize the repl */
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EMSCRIPTEN_KEEPALIVE
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void repl_deinit(void) {
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if (!repl_fiber) {
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return;
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}
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repl_fiber = NULL;
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line_buffer = NULL;
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janet_deinit();
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}
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/* Get the prompt to show in the repl */
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EMSCRIPTEN_KEEPALIVE
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const char *repl_prompt(void) {
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return line_prompt ? ((const char *)line_prompt) : "";
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}
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/* Restart the repl calling from JS. Pass in the input for the next line. */
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EMSCRIPTEN_KEEPALIVE
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void repl_input(char *input) {
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/* Create the repl if we haven't yet */
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if (!repl_fiber) {
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printf("initialize the repl first");
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}
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/* Now fill the pending line_buffer and resume the repl loop */
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if (line_buffer) {
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janet_buffer_push_cstring(line_buffer, input);
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line_buffer = NULL;
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enter_loop();
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}
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}
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@ -1,12 +0,0 @@
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# Copyright 2017-2019 (C) Calvin Rose
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(print (string "Janet " janet/version "-" janet/build " Copyright (C) 2017-2019 Calvin Rose"))
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(fiber/new (fn webrepl []
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(setdyn :pretty-format "%.20P")
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(repl (fn get-line [buf p]
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(def [offset] (parser/where p))
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(def prompt (string "janet:" offset ":" (parser/state p :delimiters) "> "))
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(repl-yield prompt buf)
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(yield)
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buf))))
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