Add m-esr52 at 52.6.0

1 files changed, 108 insertions, 0 deletions

diff --git a/js/src/frontend/BytecodeCompiler.h b/js/src/frontend/BytecodeCompiler.h
new file mode 100644
index 000000000..1d86f1160
--- /dev/null
+++ b/js/src/frontend/BytecodeCompiler.h
@@ -0,0 +1,108 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef frontend_BytecodeCompiler_h
+#define frontend_BytecodeCompiler_h
+
+#include "NamespaceImports.h"
+
+#include "vm/Scope.h"
+#include "vm/String.h"
+
+class JSLinearString;
+
+namespace js {
+
+class LazyScript;
+class LifoAlloc;
+class ModuleObject;
+class ScriptSourceObject;
+struct SourceCompressionTask;
+
+namespace frontend {
+
+JSScript*
+CompileGlobalScript(ExclusiveContext* cx, LifoAlloc& alloc, ScopeKind scopeKind,
+                    const ReadOnlyCompileOptions& options,
+                    SourceBufferHolder& srcBuf,
+                    SourceCompressionTask* extraSct = nullptr,
+                    ScriptSourceObject** sourceObjectOut = nullptr);
+
+JSScript*
+CompileEvalScript(ExclusiveContext* cx, LifoAlloc& alloc,
+                  HandleObject scopeChain, HandleScope enclosingScope,
+                  const ReadOnlyCompileOptions& options,
+                  SourceBufferHolder& srcBuf,
+                  SourceCompressionTask* extraSct = nullptr,
+                  ScriptSourceObject** sourceObjectOut = nullptr);
+
+ModuleObject*
+CompileModule(JSContext* cx, const ReadOnlyCompileOptions& options,
+              SourceBufferHolder& srcBuf);
+
+ModuleObject*
+CompileModule(ExclusiveContext* cx, const ReadOnlyCompileOptions& options,
+              SourceBufferHolder& srcBuf, LifoAlloc& alloc,
+              ScriptSourceObject** sourceObjectOut = nullptr);
+
+MOZ_MUST_USE bool
+CompileLazyFunction(JSContext* cx, Handle<LazyScript*> lazy, const char16_t* chars, size_t length);
+
+MOZ_MUST_USE bool
+CompileFunctionBody(JSContext* cx, MutableHandleFunction fun,
+                    const ReadOnlyCompileOptions& options,
+                    Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf,
+                    HandleScope enclosingScope);
+
+// As above, but defaults to the global lexical scope as the enclosing scope.
+MOZ_MUST_USE bool
+CompileFunctionBody(JSContext* cx, MutableHandleFunction fun,
+                    const ReadOnlyCompileOptions& options,
+                    Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf);
+
+MOZ_MUST_USE bool
+CompileStarGeneratorBody(JSContext* cx, MutableHandleFunction fun,
+                         const ReadOnlyCompileOptions& options,
+                         Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf);
+
+MOZ_MUST_USE bool
+CompileAsyncFunctionBody(JSContext* cx, MutableHandleFunction fun,
+                         const ReadOnlyCompileOptions& options,
+                         Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf);
+
+ScriptSourceObject*
+CreateScriptSourceObject(ExclusiveContext* cx, const ReadOnlyCompileOptions& options);
+
+/*
+ * True if str consists of an IdentifierStart character, followed by one or
+ * more IdentifierPart characters, i.e. it matches the IdentifierName production
+ * in the language spec.
+ *
+ * This returns true even if str is a keyword like "if".
+ *
+ * Defined in TokenStream.cpp.
+ */
+bool
+IsIdentifier(JSLinearString* str);
+
+/*
+ * As above, but taking chars + length.
+ */
+bool
+IsIdentifier(const char16_t* chars, size_t length);
+
+/* True if str is a keyword. Defined in TokenStream.cpp. */
+bool
+IsKeyword(JSLinearString* str);
+
+/* GC marking. Defined in Parser.cpp. */
+void
+MarkParser(JSTracer* trc, JS::AutoGCRooter* parser);
+
+} /* namespace frontend */
+} /* namespace js */
+
+#endif /* frontend_BytecodeCompiler_h */