diff options
author | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2018-12-05 09:19:06 +0100 |
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committer | Ulf Hermann <ulf.hermann@qt.io> | 2018-12-07 11:32:23 +0100 |
commit | 4fec5c428e580d0f2622bbe878349899e5f93c62 (patch) | |
tree | e5bc6c0231ed79b8066cdee6de9bcbac1c3a3c50 /src/qml/compiler/qv4codegen.cpp | |
parent | b55b3692f6cc57f8a7ef972388504b5133331ceb (diff) | |
parent | 64ee4968b46019b8e4cb7523a6e41833fc4cf665 (diff) |
Merge remote-tracking branch 'origin/5.12.0' into 5.12
Conflicts:
src/qml/jsruntime/qv4script.cpp
src/qml/parser/qqmljslexer.cpp
Change-Id: I82252a8c504a4b77c45f4f8efe849ff9acb949fd
Diffstat (limited to 'src/qml/compiler/qv4codegen.cpp')
-rw-r--r-- | src/qml/compiler/qv4codegen.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp index 8ec730a33d..f570af4819 100644 --- a/src/qml/compiler/qv4codegen.cpp +++ b/src/qml/compiler/qv4codegen.cpp @@ -102,6 +102,62 @@ Codegen::Codegen(QV4::Compiler::JSUnitGenerator *jsUnitGenerator, bool strict) jsUnitGenerator->codeGeneratorName = QStringLiteral("moth"); } +const char *globalNames[] = { + "isNaN", + "parseFloat", + "String", + "EvalError", + "URIError", + "Math", + "encodeURIComponent", + "RangeError", + "eval", + "isFinite", + "ReferenceError", + "Infinity", + "Function", + "RegExp", + "Number", + "parseInt", + "Object", + "decodeURI", + "TypeError", + "Boolean", + "encodeURI", + "NaN", + "Error", + "decodeURIComponent", + "Date", + "Array", + "Symbol", + "escape", + "unescape", + "SyntaxError", + "undefined", + "JSON", + "ArrayBuffer", + "SharedArrayBuffer", + "DataView", + "Int8Array", + "Uint8Array", + "Uint8ClampedArray", + "Int16Array", + "Uint16Array", + "Int32Array", + "Uint32Array", + "Float32Array", + "Float64Array", + "WeakSet", + "Set", + "WeakMap", + "Map", + "Reflect", + "Proxy", + "Atomics", + "Promise", + nullptr +}; + void Codegen::generateFromProgram(const QString &fileName, const QString &finalUrl, const QString &sourceCode, @@ -118,6 +174,18 @@ void Codegen::generateFromProgram(const QString &fileName, _module->fileName = fileName; _module->finalUrl = finalUrl; + if (contextType == ContextType::ScriptImportedByQML) { + // the global object is frozen, so we know that members of it are + // pointing to the global object. This is important so that references + // to Math etc. do not go through the expensive path in the context wrapper + // that tries to see whether we have a matching type + // + // Since this can be called from the loader thread we can't get the list + // directly from the engine, so let's hardcode the most important ones here + for (const char **g = globalNames; *g != nullptr; ++g) + m_globalNames << QString::fromLatin1(*g); + } + ScanFunctions scan(this, sourceCode, contextType); scan(node); @@ -2336,6 +2404,8 @@ Codegen::Reference Codegen::referenceForName(const QString &name, bool isLhs, co Reference r = Reference::fromName(this, name); r.global = useFastLookups && (resolved.type == Context::ResolvedName::Global); + if (!r.global && m_globalNames.contains(name)) + r.global = true; return r; } |