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[libSyntax] Add -verify-syntax-tree frontend flag

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This will parse the source file into a libSyntax tree and verify that no
unknown nodes exist within it
This commit is contained in:
Alex Hoppen
2018-04-23 16:39:13 -07:00
parent db93b05be2
commit 00604fb3dc
4 changed files with 11 additions and 3 deletions
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5
lib/Frontend/CompilerInvocation.cpp
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@@ -214,6 +214,11 @@ static bool ParseLangArgs(LangOptions &Opts, ArgList &Args,
Opts.NamedLazyMemberLoading &= !Args.hasArg(OPT_disable_named_lazy_member_loading);
Opts.DebugGenericSignatures |= Args.hasArg(OPT_debug_generic_signatures);
if (Args.hasArg(OPT_verify_syntax_tree)) {
Opts.BuildSyntaxTree = true;
Opts.VerifySyntaxTree = true;
}
Opts.DebuggerSupport |= Args.hasArg(OPT_debugger_support);
if (Opts.DebuggerSupport)
Opts.EnableDollarIdentifiers = true;