From: Jay Freeman (saurik) <saurik@saurik.com>
Date: Wed, 16 Dec 2015 13:35:27 +0000 (-0800)
Subject: Move lexer hacks for \n=> and \n{ into Lex* rules.
X-Git-Tag: v0.9.590~200
X-Git-Url: https://git.saurik.com/cycript.git/commitdiff_plain/12809e4cf4ce3b5ec8ae5f6086d533a980ed1d6d

Move lexer hacks for \n=> and \n{ into Lex* rules.
---

diff --git a/Parser.ypp.in b/Parser.ypp.in
index d2d2775..b85edf6 100644
--- a/Parser.ypp.in
+++ b/Parser.ypp.in
@@ -152,11 +152,6 @@ _finline int yylex(cy::parser::semantic_type *semantic, CYLocation *location, CY
                 token = tk::_yield__;
         break;
 
-        case tk::EqualRight:
-            if (driver.newline_ == CYDriver::NewLineLast)
-                token = tk::EqualRight_;
-        break;
-
         case tk::HyphenHyphen:
             if (driver.newline_ == CYDriver::NewLineLast)
                 token = tk::HyphenHyphen_;
@@ -168,11 +163,6 @@ _finline int yylex(cy::parser::semantic_type *semantic, CYLocation *location, CY
                 goto lex;
         break;
 
-        case tk::OpenBrace:
-            if (driver.newline_ == CYDriver::NewLineLast)
-                token = tk::OpenBrace_;
-        break;
-
         case tk::PlusPlus:
             if (driver.newline_ == CYDriver::NewLineLast)
                 token = tk::PlusPlus_;
@@ -195,6 +185,12 @@ _finline int yylex(cy::parser::semantic_type *semantic, CYLocation *location, CY
         yyla.type = yytranslate_(token::to); \
 } while (false)
 
+#define CYLIN(from) do { \
+    CYLEX(); \
+    if (yyla.type == yytranslate_(token::from) && driver.newline_ == CYDriver::NewLineLast) \
+        yyla.type = yytranslate_(token::from ## _); \
+} while (false)
+
 #define CYERR(location, message) do { \
     error(location, message); \
     YYABORT; \
@@ -1146,7 +1142,7 @@ UnaryExpression_
     ;
 
 UnaryExpression
-    : %prec "" PostfixExpression { $$ = $1; }
+    : %prec "" PostfixExpression LexOpenBrace { $$ = $1; }
     | LexSetRegExp UnaryExpression_ { $$ = $2; }
     ;
 /* }}} */
@@ -1655,8 +1651,12 @@ FunctionStatementList
     ;
 /* }}} */
 /* 14.2 Arrow Function Definitions {{{ */
+LexEqualRight
+    : { CYLIN(EqualRight); }
+    ;
+
 ArrowFunction
-    : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); }
+    : LexSetRegExp ArrowParameters LexEqualRight "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $6); }
     ;
 
 ArrowParameters
@@ -2444,6 +2444,10 @@ RubyProcParametersOpt
     | LexSetRegExp { $$ = NULL; }
     ;
 
+LexOpenBrace
+    : { CYLIN(OpenBrace); }
+    ;
+
 RubyProcExpression
     : "{" RubyProcParametersOpt StatementListOpt "}" { $$ = CYNew CYRubyProc($2, $3); }
     ;
@@ -2453,7 +2457,7 @@ PrimaryExpression
     ;
 
 PostfixExpression
-    : PostfixExpression RubyProcExpression { $$ = CYNew CYRubyBlock($1, $2); }
+    : PostfixExpression LexOpenBrace RubyProcExpression { $$ = CYNew CYRubyBlock($1, $3); }
     ;
 /* }}} */