Preempt accidental fall-through setting properties.

[cycript.git] / Cycript.yy.in

diff --git a/Cycript.yy.in b/Cycript.yy.in
index cd63aecd68db6b281609451b3158b3395725e217..465b32b50f9e198445483dbc8339d1cb532bf51d 100644 (file)
--- a/Cycript.yy.in
+++ b/Cycript.yy.in
@@ -234,6 +234,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token <true_> True "true"
 
 // ES3/ES5/WIE/JSC Reserved
+%token <word_> Auto "auto"
 %token <word_> Break "break"
 %token <word_> Case "case"
 %token <word_> Catch "catch"
@@ -531,15 +532,15 @@ LexSetRegExp
     ;
 
 LexNoBrace
-    : { if (yychar == yyempty_) driver.nobrace_ = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
+    : { if (yychar == yyempty_) driver.no_.OpenBrace = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
     ;
 
 LexNoFunction
-    : { if (yychar == token::Function) yychar = token::Function_; }
+    : { if (yychar == yyempty_) driver.no_.Function = true; else if (yychar == token::Function) yychar = token::Function_; }
     ;
 
 LexNoAtImplementation
-    : { if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
+    : { if (yychar == yyempty_) driver.no_.AtImplementation = true; else if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
     ;
 
 LexSetStatement
@@ -551,6 +552,10 @@ BRACE
     : "{"
     | "\n{"
     ;
+
+Var_
+    : "var"
+    ;
 /* }}} */
 
 /* 7.6 Identifier Names and Identifiers {{{ */
@@ -565,6 +570,7 @@ NewLineOpt
 
 Word
     : Identifier { $$ = $1; }
+    | "auto" { $$ = $1; }
     | "break" NewLineOpt { $$ = $1; }
     | "case" { $$ = $1; }
     | "catch" { $$ = $1; }
@@ -1048,7 +1054,7 @@ StatementList
 
 StatementListOpt
     : StatementList { $$ = $1; }
-    | LexSetRegExp { $$ = NULL; }
+    | LexSetStatement LexSetRegExp { $$ = NULL; }
     ;
 
 StatementListItem
@@ -1080,7 +1086,7 @@ LetOrConst
 /* }}} */
 /* 12.2.2 Variable Statement {{{ */
 VariableStatement
-    : "var" VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
+    : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
     ;
 
 VariableDeclarationList_
@@ -1156,7 +1162,7 @@ IterationStatement
 
 ForStatementInitialiser
     : ExpressionOpt { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
+    | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
     ;
 /* }}} */
 /* 12.6.4 The for-in and for-of Statements {{{ */
@@ -1167,7 +1173,7 @@ IterationStatement
 
 ForInStatementInitialiser
     : LeftHandSideExpression { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclaration { $$ = $3; }
+    | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
     ;
 /* }}} */
 
@@ -1312,7 +1318,7 @@ ProgramBody
 
 ProgramBodyOpt
     : ProgramBody { $$ = $1; }
-    | { $$ = NULL; }
+    | LexSetStatement LexSetRegExp { $$ = NULL; }
     ;
 /* }}} */
 
@@ -1485,7 +1491,7 @@ ImportPath
     ;
 
 StatementListItem
-    : "@import" ImportPath { $$ = CYNew CYImport(); }
+    : LexSetStatement LexSetRegExp "@import" ImportPath { $$ = CYNew CYImport(); }
     ;
 /* }}} */
 /* Cycript (Objective-C): Boxed Expressions {{{ */
@@ -1521,6 +1527,11 @@ MemberAccess
     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
     ;
 /* }}} */
+/* Cycript (C): auto Compatibility {{{ */
+Var_
+    : "auto"
+    ;
+/* }}} */
 @end
 
 /* YUI: Documentation Comments {{{ */