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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-16 11:35:57 +0100
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-16 11:35:57 +0100
commitaf300f36f11293c12f2ee01580fc749a7e114376 (patch)
tree71e6a6286a95069a805a254eb7abed9f7a83f0d4 /js/src/frontend/BytecodeCompiler.h
parent28d4e4a5fa5ba7a22d3497769fbb5a9d11db7a9e (diff)
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Bug 755821: Function() should use the parser's argument parsing code
Diffstat (limited to 'js/src/frontend/BytecodeCompiler.h')
-rw-r--r--js/src/frontend/BytecodeCompiler.h41
1 files changed, 29 insertions, 12 deletions
diff --git a/js/src/frontend/BytecodeCompiler.h b/js/src/frontend/BytecodeCompiler.h
index 1d86f1160..72e967639 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