Avoid dependency hell by overriding location type.

[cycript.git] / Cycript.yy.in

diff --git a/Cycript.yy.in b/Cycript.yy.in
index 3ad89f82c74c37c9c50e97318083d10039ad94ba..9cf3b8ef358900e6a8538fcbcede1ce5beb95f31 100644 (file)
--- a/Cycript.yy.in
+++ b/Cycript.yy.in
@@ -19,15 +19,12 @@
 **/
 /* }}} */
 
-@if Bison23 %{
-
-@if Bison24 %code top {
+%code top {
 #define cyscanner driver.scanner_
 #define YYSTACKEXPANDABLE 1
-@if Bison23 #define yyerrok (yyerrstatus_ = 0)
-@if Bison24 }
+}
 
-@if Bison24 %code requires {
+%code requires {
 #include "Driver.hpp"
 #include "Parser.hpp"
 #define CYNew new($pool)
@@ -110,23 +107,15 @@ typedef struct {
 } YYSTYPE;
 
 #define YYSTYPE YYSTYPE
+}
 
-@if Bison24 %code provides {
-int cylex(YYSTYPE *, cy::location *, void *);
-@if Bison24 }
-
-@if Bison23 %}
-@if Bison23 %union {
-@if Bison23 }
-@if Bison23 %{
-
-@if Bison24 }
-@if Bison23 %}
+%code provides {
+int cylex(YYSTYPE *, CYLocation *, void *);
+}
 
-%name-prefix="cy"
+%name-prefix "cy"
 
-@if Bison23 %skeleton "lalr1.cc"
-@if Bison24 %language "C++"
+%language "C++"
 
 %initial-action {
     @$.begin.filename = @$.end.filename = &driver.filename_;
@@ -135,6 +124,8 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %locations
 %defines
 
+%define api.location.type { CYLocation }
+
 //%glr-parser
 //%expect 1
 
@@ -245,6 +236,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token <identifier_> Typedef "typedef"
 %token <identifier_> Unsigned "unsigned"
 %token <identifier_> Signed "signed"
+%token <identifier_> Extern "extern"
 @end
 
 @begin C
@@ -443,7 +435,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <null_> NullLiteral
 %type <literal_> ObjectLiteral
 %type <compound_> Parenthetical
-%type <compound_> ParentheticalOpt
+//%type <compound_> ParentheticalOpt
 %type <expression_> PostfixExpression
 %type <expression_> PrimaryExpression
 %type <statement_> Program
@@ -586,16 +578,16 @@ LexSetRegExp
     ;
 
 LexNoBrace
-    : { if (yychar == yyempty_) driver.no_.OpenBrace = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
+    : { if (yyla.empty()) driver.no_.OpenBrace = true; else if (yyla.type == yytranslate_(token::OpenBrace) || yyla.type == yytranslate_(token::OpenBrace_)) yyla.type = yytranslate_(token::OpenBrace__); }
     ;
 
 LexNoFunction
-    : { if (yychar == yyempty_) driver.no_.Function = true; else if (yychar == token::Function) yychar = token::Function_; }
+    : { if (yyla.empty()) driver.no_.Function = true; else if (yyla.type == yytranslate_(token::Function)) yyla.type = yytranslate_(token::Function_); }
     ;
 
 LexNoAtImplementation :
 @begin ObjectiveC
-    { if (yychar == yyempty_) driver.no_.AtImplementation = true; else if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
+    { if (yyla.empty()) driver.no_.AtImplementation = true; else if (yyla.type == yytranslate_(token::AtImplementation)) yyla.type = yytranslate_(token::AtImplementation_); }
 @end
     ;
 
@@ -718,6 +710,7 @@ Identifier
     | "typedef" { $$ = $1; }
     | "unsigned" { $$ = $1; }
     | "signed" { $$ = $1; }
+    | "extern" { $$ = $1; }
 @end
 @begin ObjectiveC
     | "YES" { $$ = $1; }
@@ -758,12 +751,12 @@ BooleanLiteral
 
 /* 7.9 Automatic Semicolon Insertion {{{ */
 StrictSemi
-    : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
+    : { driver.Warning(@$, "warning, automatic semi-colon insertion required"); }
     ;
 
 Terminator
     : ";"
-    | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
+    | error { if (yyla.type_get() != yyeof_ && yyla.type != token::CloseBrace && !yyla.value.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
     ;
 
 TerminatorOpt
@@ -777,10 +770,10 @@ Parenthetical
     : "(" LexPushInOff Expression ")" LexPopIn { $$ = $3; }
     ;
 
-ParentheticalOpt
+/*ParentheticalOpt
     : Parenthetical { $$ = $1; }
     | { $$ = NULL; }
-    ;
+    ;*/
 
 Variable
     : Identifier { $$ = CYNew CYVariable($1); }
@@ -1434,6 +1427,7 @@ SuffixedType
     : ArrayedType { $$ = $1; }
     | "(" LexPushInOff "^" TypeQualifierRight ")" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = $4; $$->modifier_ = CYNew CYTypeBlockWith($9, $$->modifier_); }
     | TypeParenthetical FunctionedType { $$ = $1; CYSetLast($2) = $$->modifier_; $$->modifier_ = $2; }
+    | IdentifierType FunctionedType { $$ = CYNew CYTypedIdentifier($1); CYSetLast($2) = $$->modifier_; $$->modifier_ = $2; }
     | FunctionedType { $$ = CYNew CYTypedIdentifier(); CYSetLast($1) = $$->modifier_; $$->modifier_ = $1; }
     ;
 
@@ -1730,9 +1724,15 @@ PrimaryExpression
 /* }}} */
 /* Cycript (C): Type Definitions {{{ */
 Statement__
-    : "typedef" TypedIdentifier Terminator { $$ = CYNew CYTypeDefinition($2); }
+    : "typedef" TypedIdentifier { if ($2->identifier_ == NULL) YYABORT; } Terminator { $$ = CYNew CYTypeDefinition($2); }
     ;
 /* }}} */
+/* Cycript (C): extern "C" {{{ */
+Statement__
+    : "extern" StringLiteral { if (strcmp($2->Value(), "C") != 0) YYABORT; } TypedIdentifier Terminator { $$ = CYNew CYExternal($2, $4); }
+    ;
+/* }}} */
+
 @end
 
 /* YUI: Documentation Comments {{{ */