From c34648c04bd7eef35fba5ff65363330922def888 Mon Sep 17 00:00:00 2001
From: "Jay Freeman (saurik)" <saurik@saurik.com>
Date: Wed, 6 Jun 2012 20:52:40 -0700
Subject: [PATCH] Add lexer-level brace hack back for => {} syntax.

---
 Cycript.l.in  | 3 ++-
 Cycript.yy.in | 2 +-
 Parser.cpp    | 1 +
 Parser.hpp    | 1 +
 4 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Cycript.l.in b/Cycript.l.in
index f5e762c..a599ed9 100644
--- a/Cycript.l.in
+++ b/Cycript.l.in
@@ -30,6 +30,7 @@ typedef cy::parser::token tk;
 
 #define F(value) do { \
     int token(value); \
+    yyextra->nobrace_ = false; \
     return token; \
 } while (false)
 
@@ -238,7 +239,7 @@ XMLName {XMLNameStart}{XMLNamePart}*
 "("    L C F(tk::OpenParen);
 ")"    L C F(tk::CloseParen);
 
-"{"    L C F(yylval->newline_ ? tk::OpenBrace_ : tk::OpenBrace);
+"{"    L C F(yyextra->nobrace_ ? tk::OpenBrace__ : yylval->newline_ ? tk::OpenBrace_ : tk::OpenBrace);
 "}"    L C F(tk::CloseBrace);
 
 "["    L C F(tk::OpenBracket);
diff --git a/Cycript.yy.in b/Cycript.yy.in
index aeb15cd..241d93f 100644
--- a/Cycript.yy.in
+++ b/Cycript.yy.in
@@ -524,7 +524,7 @@ LexSetRegExp
     ;
 
 LexNoBrace
-    : { if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
+    : { if (yychar == yyempty_) driver.nobrace_ = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
     ;
 
 LexNoFunction
diff --git a/Parser.cpp b/Parser.cpp
index fae6bf3..b53aee1 100644
--- a/Parser.cpp
+++ b/Parser.cpp
@@ -28,6 +28,7 @@ CYRange WordEndRange_  (0x3ff001000000000LLU, 0x7fffffe87fffffeLLU); // A-Za-z_$
 
 CYDriver::CYDriver(const std::string &filename) :
     state_(CYClear),
+    nobrace_(false),
     data_(NULL),
     size_(0),
     file_(NULL),
diff --git a/Parser.hpp b/Parser.hpp
index 53320a3..9364826 100644
--- a/Parser.hpp
+++ b/Parser.hpp
@@ -451,6 +451,7 @@ class CYDriver {
     void *scanner_;
 
     CYState state_;
+    bool nobrace_;
     std::stack<bool> in_;
 
     const char *data_;
-- 
2.50.0