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Add an optional parameter in buildPostScriptJsFunction to force use of the PSStackBasedInterpreter code

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This way the test-only function `buildPostScriptProgramFunction` can be removed.
This commit is contained in:
Jonas Jenwald 2026-04-05 13:49:03 +02:00
parent 853d5436c1
commit ccab310a39
2 changed files with 14 additions and 20 deletions
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22
src/core/postscript/js_evaluator.js
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@ -795,9 +795,15 @@ class PSStackBasedInterpreter {
* @param {number[]} range – flat [min0,max0, …] * @param {number[]} range – flat [min0,max0, …]
* @returns {Function} – `(src, srcOffset, dest, destOffset) => void` * @returns {Function} – `(src, srcOffset, dest, destOffset) => void`
*/ */
function buildPostScriptJsFunction(source, domain, range) { function buildPostScriptJsFunction(
source,
domain,
range,
forceInterpreter = false
) {
const program = parsePostScriptFunction(source); const program = parsePostScriptFunction(source);
const ir = new PsJsCompiler(domain, range).compile(program); const ir =
!forceInterpreter && new PsJsCompiler(domain, range).compile(program);
if (ir) { if (ir) {
return (src, srcOffset, dest, destOffset) => { return (src, srcOffset, dest, destOffset) => {
PsJsCompiler.execute(ir, src, srcOffset, dest, destOffset); PsJsCompiler.execute(ir, src, srcOffset, dest, destOffset);
@ -807,14 +813,4 @@ function buildPostScriptJsFunction(source, domain, range) {
return PSStackBasedInterpreter.build(program, domain, range); return PSStackBasedInterpreter.build(program, domain, range);
} }
/** export { buildPostScriptJsFunction };
* @param {import("./ast.js").PsProgram} program
* @param {number[]} domain – flat [min0,max0, …]
* @param {number[]} range – flat [min0,max0, …]
* @returns {Function} – `(src, srcOffset, dest, destOffset) => void`
*/
function buildPostScriptProgramFunction(program, domain, range) {
return PSStackBasedInterpreter.build(program, domain, range);
}
export { buildPostScriptJsFunction, buildPostScriptProgramFunction };

12
test/unit/postscript_spec.js
View File

@ -13,10 +13,6 @@
* limitations under the License. * limitations under the License.
*/ */
import {
buildPostScriptJsFunction,
buildPostScriptProgramFunction,
} from "../../src/core/postscript/js_evaluator.js";
import { import {
buildPostScriptWasmFunction, buildPostScriptWasmFunction,
compilePostScriptToWasm, compilePostScriptToWasm,
@ -39,6 +35,7 @@ import {
PsTernaryNode, PsTernaryNode,
PsUnaryNode, PsUnaryNode,
} from "../../src/core/postscript/ast.js"; } from "../../src/core/postscript/ast.js";
import { buildPostScriptJsFunction } from "../../src/core/postscript/js_evaluator.js";
// Precision argument for toBeCloseTo() in trigonometric tests. // Precision argument for toBeCloseTo() in trigonometric tests.
const TRIGONOMETRY_EPS = 1e-10; const TRIGONOMETRY_EPS = 1e-10;
@ -209,10 +206,11 @@ describe("PostScript Type 4 lexer, parser, and Wasm compiler", function () {
// direct program interpreter otherwise. // direct program interpreter otherwise.
const jsFn = buildPostScriptJsFunction(src, domain, range); const jsFn = buildPostScriptJsFunction(src, domain, range);
// Direct interpreter: always available, never uses PSStackToTree. // Direct interpreter: always available, never uses PSStackToTree.
const interpFn = buildPostScriptProgramFunction( const interpFn = buildPostScriptJsFunction(
parsePostScriptFunction(src), src,
domain, domain,
range range,
/* forceInterpreter = */ true
); );
if (!wasmFn) { if (!wasmFn) {