From ca2f2bfd896b903ed8ac1bbcdb5e623324c9073d Mon Sep 17 00:00:00 2001 From: "John J. Camilleri" Date: Tue, 5 Oct 2021 01:02:02 +0200 Subject: [PATCH] Change from ffi to ffi-napi since the former seems unsupported This should also fix installation problem of node-gyp in CI --- .github/workflows/build-majestic.yml | 1 - src/runtime/javascript/README.md | 26 +- src/runtime/javascript/index.ts | 95 ++-- src/runtime/javascript/package-lock.json | 632 +++++++++++++---------- src/runtime/javascript/package.json | 4 +- src/runtime/python/README.md | 10 +- 6 files changed, 425 insertions(+), 343 deletions(-) diff --git a/.github/workflows/build-majestic.yml b/.github/workflows/build-majestic.yml index 376344b4a..4acfc244b 100644 --- a/.github/workflows/build-majestic.yml +++ b/.github/workflows/build-majestic.yml @@ -61,7 +61,6 @@ jobs: working-directory: ./src/runtime/javascript env: LD_LIBRARY_PATH: /usr/local/lib - PYTHON: /usr/bin/python2 run: | npm ci npm run test diff --git a/src/runtime/javascript/README.md b/src/runtime/javascript/README.md index 4e73e0f89..164b0f6d8 100644 --- a/src/runtime/javascript/README.md +++ b/src/runtime/javascript/README.md @@ -1,24 +1,32 @@ # JavaScript (Node.js) bindings to PGF runtime -## Pre-requisites +## Using in your project +1. You must have installed the PGF C runtime (see `../c/README.md`) +2. You may need to set the environment variable `LD_LIBRARY_PATH=/usr/local/lib` +3. Add to your project the usual way with: +``` +npm install path/to/this/folder +``` +4. Or install globally with: +``` +npm install --global . +``` + +## Building the package (development) + +**Pre-requisites** ``` npm install ``` -You might need this: -``` -PYTHON=/usr/bin/python2 npm install -g node-gyp -``` - -## Installation +**Compiling** ``` npm run build ``` -## Running tests - +**Running tests** ``` npm run test ``` diff --git a/src/runtime/javascript/index.ts b/src/runtime/javascript/index.ts index e881bab84..8fe50db96 100644 --- a/src/runtime/javascript/index.ts +++ b/src/runtime/javascript/index.ts @@ -1,7 +1,8 @@ import errno from './errno' -import ffi from 'ffi' -import ref from 'ref' -import Struct from 'ref-struct' +import ffi from 'ffi-napi' +import ref, { Pointer } from 'ref-napi' +import ref_struct, { StructObject } from 'ref-struct-di' +const Struct = ref_struct(ref) // ---------------------------------------------------------------------------- // FFI "Types" @@ -10,10 +11,10 @@ const voidPtr = ref.refType(ref.types.void) const prob_t = ref.types.float const size_t = ref.types.size_t -const PgfDB = ref.types.int +const PgfDB = ref.types.void const PgfDBPtr = ref.refType(PgfDB) -const PgfRevision = ref.types.int +const PgfRevision = ref.refType(ref.types.void) const PgfRevisionPtr = ref.refType(PgfRevision) const PgfExn = Struct({ @@ -29,10 +30,7 @@ const PgfText = Struct({ }) const PgfTextPtr = ref.refType(PgfText) -const PgfItor = Struct({ - fn: voidPtr -}) -const PgfItorPtr = ref.refType(PgfItor) +const PgfItorPtr = ref.refType(ref.types.void) const PgfType = ref.types.void // TODO // const PgfTypePtr = ref.refType(PgfType) @@ -56,9 +54,10 @@ const PgfMarshallerPtr = ref.refType(PgfMarshaller) // ---------------------------------------------------------------------------- // TypeScript Types -// Type definitions for `ref` package don't include extensions to Buffer -interface Pointer extends Buffer { - deref (): any // eslint-disable-line @typescript-eslint/no-explicit-any +interface PgfExnType { + type: number + code: number + msg: string | null } class PGFError extends Error { @@ -93,31 +92,30 @@ const runtime = ffi.Library('libpgf', { 'pgf_function_prob': [ prob_t, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfExnPtr ] ], 'pgf_print_expr': [ PgfTextPtr, [ PgfExpr, PgfPrintContextPtr, ref.types.int, PgfMarshallerPtr ] ], 'pgf_read_expr': [ PgfExpr, [ PgfTextPtr, PgfUnmarshallerPtr ] ], - 'pgf_read_expr_ex': [ PgfExpr , [ PgfTextPtr, ref.refType(ref.types.CString), PgfUnmarshallerPtr ] ], - 'pgf_expr_prob': [ prob_t , [ PgfDBPtr, PgfRevision, PgfExpr, PgfMarshallerPtr, PgfExnPtr ] ], + 'pgf_read_expr_ex': [ PgfExpr, [ PgfTextPtr, ref.refType(ref.types.CString), PgfUnmarshallerPtr ] ], + 'pgf_expr_prob': [ prob_t, [ PgfDBPtr, PgfRevision, PgfExpr, PgfMarshallerPtr, PgfExnPtr ] ], 'pgf_print_type': [ PgfTextPtr, [ PgfType, PgfPrintContextPtr, ref.types.int, PgfMarshallerPtr ] ], 'pgf_print_context': [ PgfTextPtr, [ size_t, PgfTypeHypoPtr, PgfPrintContextPtr, ref.types.int, PgfMarshallerPtr ] ], - 'pgf_read_type': [ PgfType , [ PgfTextPtr, PgfUnmarshallerPtr ] ], + 'pgf_read_type': [ PgfType, [ PgfTextPtr, PgfUnmarshallerPtr ] ], - 'pgf_clone_revision': [ PgfRevision , [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfExnPtr ] ], + 'pgf_clone_revision': [ PgfRevision, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfExnPtr ] ], 'pgf_commit_revision': [ ref.types.void, [ PgfDBPtr, PgfRevision, PgfExnPtr ] ], - 'pgf_checkout_revision': [ PgfRevision , [ PgfDBPtr, PgfTextPtr, PgfExnPtr ] ], + 'pgf_checkout_revision': [ PgfRevision, [ PgfDBPtr, PgfTextPtr, PgfExnPtr ] ], 'pgf_create_function': [ ref.types.void, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfType, size_t, prob_t, PgfMarshallerPtr, PgfExnPtr ] ], 'pgf_drop_function': [ ref.types.void, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfExnPtr ] ], 'pgf_create_category': [ ref.types.void, [ PgfDBPtr, PgfRevision, PgfTextPtr, size_t, PgfTypeHypoPtr, prob_t, PgfMarshallerPtr, PgfExnPtr ] ], 'pgf_drop_category': [ ref.types.void, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfExnPtr ] ], - 'pgf_get_global_flag': [ PgfLiteral , [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfUnmarshallerPtr, PgfExnPtr ] ], + 'pgf_get_global_flag': [ PgfLiteral, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfUnmarshallerPtr, PgfExnPtr ] ], 'pgf_set_global_flag': [ ref.types.void, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfLiteral, PgfMarshallerPtr, PgfExnPtr ] ], - 'pgf_get_abstract_flag': [ PgfLiteral , [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfUnmarshallerPtr, PgfExnPtr ] ], + 'pgf_get_abstract_flag': [ PgfLiteral, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfUnmarshallerPtr, PgfExnPtr ] ], 'pgf_set_abstract_flag': [ ref.types.void, [ PgfDBPtr, PgfRevision, PgfTextPtr, PgfLiteral, PgfMarshallerPtr, PgfExnPtr ] ], }) // ---------------------------------------------------------------------------- // Helpers -function handleError (errPtr: Pointer): void { - const err = errPtr.deref() +function handleError (err: StructObject): void { switch (err.type) { // PGF_EXN_NONE case 0: return @@ -129,18 +127,18 @@ function handleError (errPtr: Pointer): void { } // PGF_EXN_PGF_ERROR case 2: - throw new PGFError(err.msg) + throw new PGFError(err.msg as string) // PGF_EXN_OTHER_ERROR case 3: - throw new Error(err.msg) + throw new Error(err.msg as string) default: throw new Error(`unknown error type: ${err.type}`) } } -function PgfText_AsString (txtPtr: Pointer) { +function PgfText_AsString (txtPtr: Pointer) { const txtSize = txtPtr.deref().size const charPtr = ref.reinterpret(txtPtr, txtSize, ref.types.size_t.size) return charPtr.toString('utf8') @@ -150,48 +148,48 @@ function PgfText_AsString (txtPtr: Pointer) { // PGF grammar object export class PGFGrammar { - readonly db: Pointer - readonly revision: number + readonly db: Pointer + readonly revision: Pointer - constructor (db: Pointer, revision: number) { + constructor (db: Pointer, revision: Pointer) { this.db = db this.revision = revision } // NB the library user is responsible for calling this release (): void { - runtime.pgf_free_revision(this.db, this.revision) + runtime.pgf_free_revision(this.db, this.revision.deref()) } getAbstractName (): string { - const err = ref.alloc(PgfExn) as Pointer - const txt = runtime.pgf_abstract_name(this.db, this.revision, err) + const err = new PgfExn + const txt = runtime.pgf_abstract_name(this.db, this.revision.deref(), err.ref()) handleError(err) return PgfText_AsString(txt) } getCategories (): string[] { const cats: string[] = [] - const callback = ffi.Callback(ref.types.void, [ PgfItorPtr, PgfTextPtr, voidPtr, PgfExnPtr], - function (self: Pointer, key: Pointer, value: Pointer, err: Pointer) { // eslint-disable-line @typescript-eslint/no-unused-vars + const callback = ffi.Callback(ref.types.void, [ PgfItorPtr, PgfTextPtr, voidPtr, PgfExnPtr ], + function (self: Pointer, key: Pointer, value: Pointer, err: Pointer) { // eslint-disable-line @typescript-eslint/no-unused-vars const k = PgfText_AsString(key) cats.push(k) }) - const err = ref.alloc(PgfExn) as Pointer - runtime.pgf_iter_categories(this.db, this.revision, ref.ref(callback), err) + const err = new PgfExn + runtime.pgf_iter_categories(this.db, this.revision.deref(), callback.ref() as Pointer, err.ref()) handleError(err) return cats } getFunctions (): string[] { const funs: string[] = [] - const callback = ffi.Callback(ref.types.void, [ PgfItorPtr, PgfTextPtr, voidPtr, PgfExnPtr], - function (self: Pointer, key: Pointer, value: Pointer, err: Pointer) { // eslint-disable-line @typescript-eslint/no-unused-vars + const callback = ffi.Callback(ref.types.void, [ PgfItorPtr, PgfTextPtr, voidPtr, PgfExnPtr ], + function (self: Pointer, key: Pointer, value: Pointer, err: Pointer) { // eslint-disable-line @typescript-eslint/no-unused-vars const k = PgfText_AsString(key) funs.push(k) }) - const err = ref.alloc(PgfExn) as Pointer - runtime.pgf_iter_functions(this.db, this.revision, ref.ref(callback), err) + const err = new PgfExn + runtime.pgf_iter_functions(this.db, this.revision.deref(), callback.ref() as Pointer, err.ref()) handleError(err) return funs } @@ -202,19 +200,19 @@ export class PGFGrammar { // PGF module functions function readPGF (path: string): PGFGrammar { - const rev = ref.alloc(PgfRevision) as Pointer - const err = ref.alloc(PgfExn) as Pointer - const db = runtime.pgf_read_pgf(path, rev, err) + const rev = ref.alloc(PgfRevisionPtr) + const err = new PgfExn + const db = runtime.pgf_read_pgf(path, rev, err.ref()) handleError(err) - return new PGFGrammar(db, rev.deref()) + return new PGFGrammar(db, rev) } function bootNGF (pgf_path: string, ngf_path: string): PGFGrammar { - const rev = ref.alloc(PgfRevision) as Pointer - const err = ref.alloc(PgfExn) as Pointer - const db = runtime.pgf_boot_ngf(pgf_path, ngf_path, rev, err) + const rev = ref.alloc(PgfRevisionPtr) + const err = new PgfExn + const db = runtime.pgf_boot_ngf(pgf_path, ngf_path, rev, err.ref()) handleError(err) - return new PGFGrammar(db, rev.deref()) + return new PGFGrammar(db, rev) } // ---------------------------------------------------------------------------- @@ -229,5 +227,8 @@ export default { // ---------------------------------------------------------------------------- // Quick testing -// const gr: PGF = readPGF('../haskell/tests/basic.pgf') +// const gr = readPGF('../haskell/tests/basic.pgf') +// console.log(gr) +// console.log(gr.getAbstractName()) // console.log(gr.getCategories()) +// console.log(gr.getFunctions()) diff --git a/src/runtime/javascript/package-lock.json b/src/runtime/javascript/package-lock.json index 334e729ef..a81a64558 100644 --- a/src/runtime/javascript/package-lock.json +++ b/src/runtime/javascript/package-lock.json @@ -5,12 +5,12 @@ "requires": true, "dependencies": { "@babel/code-frame": { - "version": "7.14.5", - "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz", - "integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==", + "version": "7.12.11", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.11.tgz", + "integrity": "sha512-Zt1yodBx1UcyiePMSkWnU4hPqhwq7hGi2nFL1LeA3EUl+q2LQx16MISgJ0+z7dnmgvP9QtIleuETGOiOH1RcIw==", "dev": true, "requires": { - "@babel/highlight": "^7.14.5" + "@babel/highlight": "^7.10.4" } }, "@babel/compat-data": { @@ -42,6 +42,15 @@ "source-map": "^0.5.0" }, "dependencies": { + "@babel/code-frame": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz", + "integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==", + "dev": true, + "requires": { + "@babel/highlight": "^7.14.5" + } + }, "debug": { "version": "4.3.2", "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz", @@ -57,6 +66,12 @@ "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==", "dev": true }, + "semver": { + "version": "6.3.0", + "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz", + "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==", + "dev": true + }, "source-map": { "version": "0.5.7", "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz", @@ -94,6 +109,14 @@ "@babel/helper-validator-option": "^7.14.5", "browserslist": "^4.16.6", "semver": "^6.3.0" + }, + "dependencies": { + "semver": { + "version": "6.3.0", + "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz", + "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==", + "dev": true + } } }, "@babel/helper-function-name": { @@ -273,6 +296,12 @@ "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=", "dev": true }, + "escape-string-regexp": { + "version": "1.0.5", + "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz", + "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=", + "dev": true + }, "has-flag": { "version": "3.0.0", "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz", @@ -422,6 +451,17 @@ "@babel/code-frame": "^7.14.5", "@babel/parser": "^7.15.4", "@babel/types": "^7.15.4" + }, + "dependencies": { + "@babel/code-frame": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz", + "integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==", + "dev": true, + "requires": { + "@babel/highlight": "^7.14.5" + } + } } }, "@babel/traverse": { @@ -441,6 +481,15 @@ "globals": "^11.1.0" }, "dependencies": { + "@babel/code-frame": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz", + "integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==", + "dev": true, + "requires": { + "@babel/highlight": "^7.14.5" + } + }, "debug": { "version": "4.3.2", "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz", @@ -450,6 +499,12 @@ "ms": "2.1.2" } }, + "globals": { + "version": "11.12.0", + "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz", + "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==", + "dev": true + }, "ms": { "version": "2.1.2", "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz", @@ -500,15 +555,6 @@ "ms": "2.1.2" } }, - "globals": { - "version": "13.11.0", - "resolved": "https://registry.npmjs.org/globals/-/globals-13.11.0.tgz", - "integrity": "sha512-08/xrJ7wQjK9kkkRoI3OFUBbLx4f+6x3SGwcPvQ0QH6goFDrOU2oyAWrmh3dJezu65buo+HBMzAMQy6rovVC3g==", - "dev": true, - "requires": { - "type-fest": "^0.20.2" - } - }, "ignore": { "version": "4.0.6", "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz", @@ -520,12 +566,6 @@ "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz", "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==", "dev": true - }, - "type-fest": { - "version": "0.20.2", - "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.20.2.tgz", - "integrity": "sha512-Ne+eE4r0/iWnpAxD852z3A+N0Bt5RN//NjJwRd2VFHEmrywxf5vsZlh4R6lixl6B+wz/8d+maTSAkN1FIkI3LQ==", - "dev": true } } }, @@ -574,6 +614,14 @@ "get-package-type": "^0.1.0", "js-yaml": "^3.13.1", "resolve-from": "^5.0.0" + }, + "dependencies": { + "resolve-from": { + "version": "5.0.0", + "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-5.0.0.tgz", + "integrity": "sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==", + "dev": true + } } }, "@istanbuljs/schema": { @@ -863,15 +911,15 @@ "@babel/types": "^7.3.0" } }, - 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Camilleri", "license": "ISC", "dependencies": { - "ffi": "^2.3.0" + "ffi-napi": "^4.0.3" }, "devDependencies": { - "@types/ffi": "^0.2.3", + "@types/ffi-napi": "^4.0.4", "@types/jest": "^27.0.2", "@typescript-eslint/eslint-plugin": "^4.32.0", "@typescript-eslint/parser": "^4.32.0", diff --git a/src/runtime/python/README.md b/src/runtime/python/README.md index b11f2a7f1..504a5c529 100644 --- a/src/runtime/python/README.md +++ b/src/runtime/python/README.md @@ -3,7 +3,8 @@ ## Pre-requisites 1. You must have installed the PGF C runtime (see `../c/README.md`) -2. You will need the system Python development package, e.g.: +2. You may need to set the environment variable `LD_LIBRARY_PATH=/usr/local/lib` +3. You will need the system Python development package, e.g.: - RedHat: `yum install python-devel` - Debian: `apt install python-dev` @@ -25,3 +26,10 @@ pytest ``` Requires: `pip install pytest` + + +## Debugging + +valgrind --leak-check=full --show-leak-kinds=all pytest 2> valgrind.txt + +valgrind --leak-check=full --show-leak-kinds=all -- python -c 'import pgf; s = pgf.readType("A -> B"); print(s)' 2> valgrind.txt