compile for WASM
Ziyang Hu
2 years ago
parent
398fa15f15
commit
d7831dd48d
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install:
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- appveyor-retry appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
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- if not defined RUSTFLAGS rustup-init.exe -y --default-host x86_64-pc-windows-msvc --default-toolchain nightly
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- set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
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- rustc -V
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- cargo -V
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build: false
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test_script:
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- cargo test --locked
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/target
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**/*.rs.bk
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Cargo.lock
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bin/
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pkg/
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wasm-pack.log
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language: rust
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sudo: false
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cache: cargo
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matrix:
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include:
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# Builds with wasm-pack.
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- rust: beta
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env: RUST_BACKTRACE=1
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addons:
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firefox: latest
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chrome: stable
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before_script:
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- (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
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- (test -x $HOME/.cargo/bin/cargo-generate || cargo install --vers "^0.2" cargo-generate)
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- cargo install-update -a
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- curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh -s -- -f
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script:
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- cargo generate --git . --name testing
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# Having a broken Cargo.toml (in that it has curlies in fields) anywhere
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# in any of our parent dirs is problematic.
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- mv Cargo.toml Cargo.toml.tmpl
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- cd testing
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- wasm-pack build
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- wasm-pack test --chrome --firefox --headless
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# Builds on nightly.
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- rust: nightly
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env: RUST_BACKTRACE=1
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before_script:
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- (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
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- (test -x $HOME/.cargo/bin/cargo-generate || cargo install --vers "^0.2" cargo-generate)
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- cargo install-update -a
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- rustup target add wasm32-unknown-unknown
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script:
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- cargo generate --git . --name testing
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- mv Cargo.toml Cargo.toml.tmpl
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- cd testing
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- cargo check
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- cargo check --target wasm32-unknown-unknown
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- cargo check --no-default-features
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- cargo check --target wasm32-unknown-unknown --no-default-features
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- cargo check --no-default-features --features console_error_panic_hook
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- cargo check --target wasm32-unknown-unknown --no-default-features --features console_error_panic_hook
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- cargo check --no-default-features --features "console_error_panic_hook wee_alloc"
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- cargo check --target wasm32-unknown-unknown --no-default-features --features "console_error_panic_hook wee_alloc"
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# Builds on beta.
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- rust: beta
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env: RUST_BACKTRACE=1
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before_script:
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- (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
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- (test -x $HOME/.cargo/bin/cargo-generate || cargo install --vers "^0.2" cargo-generate)
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- cargo install-update -a
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- rustup target add wasm32-unknown-unknown
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script:
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- cargo generate --git . --name testing
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- mv Cargo.toml Cargo.toml.tmpl
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- cd testing
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- cargo check
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- cargo check --target wasm32-unknown-unknown
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- cargo check --no-default-features
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- cargo check --target wasm32-unknown-unknown --no-default-features
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- cargo check --no-default-features --features console_error_panic_hook
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- cargo check --target wasm32-unknown-unknown --no-default-features --features console_error_panic_hook
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# Note: no enabling the `wee_alloc` feature here because it requires
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# nightly for now.
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[package]
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name = "cozo-lib-wasm"
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version = "0.1.0"
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authors = ["Ziyang Hu <hu.ziyang@cantab.net>"]
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edition = "2021"
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license = "MPL-2.0"
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[lib]
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crate-type = ["cdylib", "rlib"]
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[features]
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default = ["console_error_panic_hook"]
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[dependencies]
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wasm-bindgen = "0.2.63"
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cozo = { version = "0.1.7", path = "../cozo-core", default-features = false, features = ["wasm", "graph-algo", "nothread"] }
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# The `console_error_panic_hook` crate provides better debugging of panics by
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# logging them with `console.error`. This is great for development, but requires
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# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
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# code size when deploying.
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console_error_panic_hook = { version = "0.1.6", optional = true }
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# `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
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# compared to the default allocator's ~10K. It is slower than the default
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# allocator, however.
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wee_alloc = { version = "0.4.5", optional = true }
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[dev-dependencies]
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wasm-bindgen-test = "0.3.13"
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[profile.release]
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# Tell `rustc` to optimize for small code size.
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opt-level = "s"
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/*
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* Copyright 2022, The Cozo Project Authors.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
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* If a copy of the MPL was not distributed with this file,
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* You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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use wasm_bindgen::prelude::*;
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use cozo::*;
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mod utils;
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// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
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// allocator.
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#[cfg(feature = "wee_alloc")]
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#[global_allocator]
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static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
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#[wasm_bindgen]
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extern "C" {
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fn alert(s: &str);
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}
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#[wasm_bindgen]
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pub struct CozoDb {
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db: Db<MemStorage>,
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}
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#[wasm_bindgen]
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impl CozoDb {
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pub fn new() -> Self {
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utils::set_panic_hook();
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let db = new_cozo_mem().unwrap();
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Self { db }
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}
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pub fn run(&self, script: &str, params: &str) -> String {
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self.db.run_script_str(script, params)
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}
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}
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/*
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* Copyright 2022, The Cozo Project Authors.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
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* If a copy of the MPL was not distributed with this file,
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* You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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pub fn set_panic_hook() {
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// When the `console_error_panic_hook` feature is enabled, we can call the
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// `set_panic_hook` function at least once during initialization, and then
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// we will get better error messages if our code ever panics.
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//
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// For more details see
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// https://github.com/rustwasm/console_error_panic_hook#readme
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#[cfg(feature = "console_error_panic_hook")]
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console_error_panic_hook::set_once();
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}
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/*
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* Copyright 2022, The Cozo Project Authors.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
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* If a copy of the MPL was not distributed with this file,
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* You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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//! Test suite for the Web and headless browsers.
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#![cfg(target_arch = "wasm32")]
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extern crate wasm_bindgen_test;
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use wasm_bindgen_test::*;
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wasm_bindgen_test_configure!(run_in_browser);
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#[wasm_bindgen_test]
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fn pass() {
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assert_eq!(1 + 1, 2);
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}
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