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author | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 20:05:50 +0100 |
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committer | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 20:05:50 +0100 |
commit | 291803c31f829fe0d32bb3207bc11def95a7408c (patch) | |
tree | c7d43107d79291b19d8c9eceefbe91c9f9a52acf /sandbox/testAppNevena/Front/node_modules/source-map/lib/wasm.js | |
parent | 1fa69862057db4db53cfda5be9c24b4228ef63f7 (diff) |
Urađena test aplikacija. Povezan front i back.
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/source-map/lib/wasm.js')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/source-map/lib/wasm.js | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/source-map/lib/wasm.js b/sandbox/testAppNevena/Front/node_modules/source-map/lib/wasm.js new file mode 100644 index 00000000..88b18bea --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/source-map/lib/wasm.js @@ -0,0 +1,107 @@ +const readWasm = require("../lib/read-wasm"); + +/** + * Provide the JIT with a nice shape / hidden class. + */ +function Mapping() { + this.generatedLine = 0; + this.generatedColumn = 0; + this.lastGeneratedColumn = null; + this.source = null; + this.originalLine = null; + this.originalColumn = null; + this.name = null; +} + +let cachedWasm = null; + +module.exports = function wasm() { + if (cachedWasm) { + return cachedWasm; + } + + const callbackStack = []; + + cachedWasm = readWasm().then(buffer => { + return WebAssembly.instantiate(buffer, { + env: { + mapping_callback( + generatedLine, + generatedColumn, + + hasLastGeneratedColumn, + lastGeneratedColumn, + + hasOriginal, + source, + originalLine, + originalColumn, + + hasName, + name + ) { + const mapping = new Mapping(); + // JS uses 1-based line numbers, wasm uses 0-based. + mapping.generatedLine = generatedLine + 1; + mapping.generatedColumn = generatedColumn; + + if (hasLastGeneratedColumn) { + // JS uses inclusive last generated column, wasm uses exclusive. + mapping.lastGeneratedColumn = lastGeneratedColumn - 1; + } + + if (hasOriginal) { + mapping.source = source; + // JS uses 1-based line numbers, wasm uses 0-based. + mapping.originalLine = originalLine + 1; + mapping.originalColumn = originalColumn; + + if (hasName) { + mapping.name = name; + } + } + + callbackStack[callbackStack.length - 1](mapping); + }, + + start_all_generated_locations_for() { console.time("all_generated_locations_for"); }, + end_all_generated_locations_for() { console.timeEnd("all_generated_locations_for"); }, + + start_compute_column_spans() { console.time("compute_column_spans"); }, + end_compute_column_spans() { console.timeEnd("compute_column_spans"); }, + + start_generated_location_for() { console.time("generated_location_for"); }, + end_generated_location_for() { console.timeEnd("generated_location_for"); }, + + start_original_location_for() { console.time("original_location_for"); }, + end_original_location_for() { console.timeEnd("original_location_for"); }, + + start_parse_mappings() { console.time("parse_mappings"); }, + end_parse_mappings() { console.timeEnd("parse_mappings"); }, + + start_sort_by_generated_location() { console.time("sort_by_generated_location"); }, + end_sort_by_generated_location() { console.timeEnd("sort_by_generated_location"); }, + + start_sort_by_original_location() { console.time("sort_by_original_location"); }, + end_sort_by_original_location() { console.timeEnd("sort_by_original_location"); }, + } + }); + }).then(Wasm => { + return { + exports: Wasm.instance.exports, + withMappingCallback: (mappingCallback, f) => { + callbackStack.push(mappingCallback); + try { + f(); + } finally { + callbackStack.pop(); + } + } + }; + }).then(null, e => { + cachedWasm = null; + throw e; + }); + + return cachedWasm; +}; |