diff options
Diffstat (limited to 'js/src/frontend/BytecodeCompiler.h')
| -rw-r--r-- | js/src/frontend/BytecodeCompiler.h | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/js/src/frontend/BytecodeCompiler.h b/js/src/frontend/BytecodeCompiler.h index 1d86f11607..72e9676395 100644 --- a/js/src/frontend/BytecodeCompiler.h +++ b/js/src/frontend/BytecodeCompiler.h @@ -7,6 +7,8 @@ #ifndef frontend_BytecodeCompiler_h #define frontend_BytecodeCompiler_h +#include "mozilla/Maybe.h" + #include "NamespaceImports.h" #include "vm/Scope.h" @@ -51,22 +53,36 @@ CompileModule(ExclusiveContext* cx, const ReadOnlyCompileOptions& options, MOZ_MUST_USE bool CompileLazyFunction(JSContext* cx, Handle<LazyScript*> lazy, const char16_t* chars, size_t length); +// +// Compile a single function. The source in srcBuf must match the ECMA-262 +// FunctionExpression production. +// +// If nonzero, parameterListEnd is the offset within srcBuf where the parameter +// list is expected to end. During parsing, if we find that it ends anywhere +// else, it's a SyntaxError. This is used to implement the Function constructor; +// it's how we detect that these weird cases are SyntaxErrors: +// +// Function("/*", "*/x) {") +// Function("x){ if (3", "return x;}") +// MOZ_MUST_USE bool -CompileFunctionBody(JSContext* cx, MutableHandleFunction fun, - const ReadOnlyCompileOptions& options, - Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf, - HandleScope enclosingScope); +CompileStandaloneFunction(JSContext* cx, MutableHandleFunction fun, + const ReadOnlyCompileOptions& options, + JS::SourceBufferHolder& srcBuf, + mozilla::Maybe<uint32_t> parameterListEnd, + HandleScope enclosingScope = nullptr); -// 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); +CompileStandaloneGenerator(JSContext* cx, MutableHandleFunction fun, + const ReadOnlyCompileOptions& options, + JS::SourceBufferHolder& srcBuf, + mozilla::Maybe<uint32_t> parameterListEnd); MOZ_MUST_USE bool -CompileStarGeneratorBody(JSContext* cx, MutableHandleFunction fun, - const ReadOnlyCompileOptions& options, - Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf); +CompileStandaloneAsyncFunction(JSContext* cx, MutableHandleFunction fun, + const ReadOnlyCompileOptions& options, + JS::SourceBufferHolder& srcBuf, + mozilla::Maybe<uint32_t> parameterListEnd); MOZ_MUST_USE bool CompileAsyncFunctionBody(JSContext* cx, MutableHandleFunction fun, @@ -74,7 +90,8 @@ CompileAsyncFunctionBody(JSContext* cx, MutableHandleFunction fun, Handle<PropertyNameVector> formals, JS::SourceBufferHolder& srcBuf); ScriptSourceObject* -CreateScriptSourceObject(ExclusiveContext* cx, const ReadOnlyCompileOptions& options); +CreateScriptSourceObject(ExclusiveContext* cx, const ReadOnlyCompileOptions& options, + mozilla::Maybe<uint32_t> parameterListEnd = mozilla::Nothing()); /* * True if str consists of an IdentifierStart character, followed by one or |