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Bug 1504463 - Implement JS::CompileUtf8DontDeflate that accepts const char*/size_t and compiles it as UTF-8 of uncertain validity without first inflating to UTF-16. r=arai

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--HG--
extra : rebase_source : c561fd9d4ce6468d54312313b96dcf1266633142
This commit is contained in:
Jeff Walden 2018-11-05 18:55:55 -08:00
parent 2ffe08ffb9
commit 6dd8e254b3
2 changed files with 21 additions and 0 deletions
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14
js/public/CompilationAndEvaluation.h
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@ -166,6 +166,20 @@ extern JS_PUBLIC_API(bool)
CompileUtf8(JSContext* cx, const ReadOnlyCompileOptions& options,
const char* bytes, size_t length, MutableHandle<JSScript*> script);
/**
* Compile the provided UTF-8 data into a script. If the data contains invalid
* UTF-8, an error is reported.
*
* |script| is always set to the compiled script or to null in case of error.
*
* NOTE: This function DOES NOT INFLATE the UTF-8 bytes to UTF-16 before
* compiling them. UTF-8 compilation is currently experimental and has
* known bugs. Use only if you're willing to tolerate unspecified bugs!
*/
extern JS_PUBLIC_API(bool)
CompileUtf8DontInflate(JSContext* cx, const ReadOnlyCompileOptions& options,
const char* bytes, size_t length, MutableHandle<JSScript*> script);
/**
* Compile the provided Latin-1 data (i.e. each byte directly corresponds to
* the same Unicode code point) into a script.

7
js/src/vm/CompilationAndEvaluation.cpp
View File

@ -139,6 +139,13 @@ JS::CompileUtf8(JSContext* cx, const ReadOnlyCompileOptions& options,
return ::CompileUtf8(cx, options, bytes, length, script);
}
bool
JS::CompileUtf8DontInflate(JSContext* cx, const ReadOnlyCompileOptions& options,
const char* bytes, size_t length, JS::MutableHandleScript script)
{
return ::CompileUtf8DontInflate(cx, options, bytes, length, script);
}
bool
JS::CompileUtf8File(JSContext* cx, const ReadOnlyCompileOptions& options,
FILE* file, JS::MutableHandleScript script)