Started working on making the build environment more portable.

[cycript.git] / Cycript.y

diff --git a/Cycript.y b/Cycript.y
index c83562c8e377aa4107fa32d5f8aa5f118a9058d0..7fdc17245fea856fea26cefd64074652cb0ebc2d 100644 (file)
--- a/Cycript.y
+++ b/Cycript.y
@@ -59,7 +59,6 @@ typedef struct {
         CYBoolean *boolean_;
         CYClause *clause_;
         CYCatch *catch_;
-        CYClass *class_;
         CYClassName *className_;
         CYComprehension *comprehension_;
         CYCompound *compound_;
@@ -69,6 +68,7 @@ typedef struct {
         CYExpression *expression_;
         CYFalse *false_;
         CYField *field_;
+        CYFinally *finally_;
         CYForInitialiser *for_;
         CYForInInitialiser *forin_;
         CYFunctionParameter *functionParameter_;
@@ -80,10 +80,10 @@ typedef struct {
         CYMessageParameter *messageParameter_;
         CYNull *null_;
         CYNumber *number_;
+        CYProgram *program_;
         CYProperty *property_;
         CYPropertyName *propertyName_;
         CYSelectorPart *selector_;
-        CYSource *source_;
         CYStatement *statement_;
         CYString *string_;
         CYThis *this_;
@@ -117,6 +117,8 @@ int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 %parse-param { CYDriver &driver }
 %lex-param { void *scanner }
 
+%token At "@"
+
 %token Ampersand "&"
 %token AmpersandAmpersand "&&"
 %token AmpersandEqual "&="
@@ -296,11 +298,12 @@ int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 %type <clause_> CaseClausesOpt
 %type <catch_> CatchOpt
 %type <statement_> CategoryStatement
-%type <class_> ClassDefinition
+%type <expression_> ClassExpression
 %type <message_> ClassMessageDeclaration
 %type <message_> ClassMessageDeclarationListOpt
 %type <className_> ClassName
 %type <className_> ClassNameOpt
+%type <statement_> ClassStatement
 %type <expression_> ClassSuperOpt
 %type <field_> ClassFieldList
 %type <comprehension_> ComprehensionList
@@ -328,7 +331,7 @@ int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 %type <compound_> ExpressionNoIn_
 %type <expression_> ExpressionNoInOpt
 %type <statement_> ExpressionStatement
-%type <statement_> FinallyOpt
+%type <finally_> FinallyOpt
 %type <comprehension_> ForComprehension
 %type <statement_> ForStatement
 %type <for_> ForStatementInitialiser
@@ -336,8 +339,8 @@ int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 %type <forin_> ForInStatementInitialiser
 %type <functionParameter_> FormalParameterList
 %type <functionParameter_> FormalParameterList_
-%type <source_> FunctionBody
-%type <source_> FunctionDeclaration
+%type <statement_> FunctionBody
+%type <statement_> FunctionDeclaration
 %type <expression_> FunctionExpression
 %type <identifier_> Identifier
 %type <identifier_> IdentifierOpt
@@ -380,7 +383,7 @@ int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 %type <expression_> PrimaryExpression
 %type <expression_> PrimaryExpression_
 %type <expression_> PrimaryExpressionNoBF
-%type <source_> Program
+%type <statement_> Program
 %type <propertyName_> PropertyName
 %type <property_> PropertyNameAndValueList
 %type <property_> PropertyNameAndValueList_
@@ -398,9 +401,10 @@ int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 %type <selector_> SelectorExpressionOpt
 %type <expression_> ShiftExpression
 %type <expression_> ShiftExpressionNoBF
-%type <source_> SourceElement
-%type <source_> SourceElements
+%type <statement_> SourceElement
+%type <statement_> SourceElements
 %type <statement_> Statement
+%type <statement_> Statement_
 %type <statement_> StatementList
 %type <statement_> StatementListOpt
 %type <statement_> SwitchStatement
@@ -448,16 +452,23 @@ int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 
 %%
 
-TerminatorOpt
+StrictSemi
+    : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
+    ;
+
+Terminator_
     : ";"
-    | "\n"
-    | error { yyerrok; driver.errors_.pop_back(); }
+    | "\n" StrictSemi
+    ;
+
+TerminatorOpt
+    : Terminator_
+    | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
     ;
 
 Terminator
-    : ";"
-    | "\n"
-    | error { if (yychar != 0 && yychar != cy::parser::token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } }
+    : Terminator_
+    | error { if (yychar != 0 && yychar != cy::parser::token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
     ;
 
 /*CommaOpt
@@ -747,7 +758,7 @@ UnaryExpression_
     | "\n++" UnaryExpression { $$ = new(driver.pool_) CYPreIncrement($2); }
     | "--" UnaryExpression { $$ = new(driver.pool_) CYPreDecrement($2); }
     | "\n--" UnaryExpression { $$ = new(driver.pool_) CYPreDecrement($2); }
-    | "+" UnaryExpression { $$ = $2; }
+    | "+" UnaryExpression { $$ = new(driver.pool_) CYAffirm($2); }
     | "-" UnaryExpression { $$ = new(driver.pool_) CYNegate($2); }
     | "~" UnaryExpression { $$ = new(driver.pool_) CYBitwiseNot($2); }
     | "!" UnaryExpression { $$ = new(driver.pool_) CYLogicalNot($2); }
@@ -1040,7 +1051,7 @@ ExpressionNoBF
 /* }}} */
 
 /* 12 Statements {{{ */
-Statement
+Statement_
     : Block { $$ = $1; }
     | VariableStatement { $$ = $1; }
     | EmptyStatement { $$ = $1; }
@@ -1056,6 +1067,10 @@ Statement
     | ThrowStatement { $$ = $1; }
     | TryStatement { $$ = $1; }
     ;
+
+Statement
+    : Statement_ { $$ = $1; }
+    ;
 /* }}} */
 /* 12.1 Block {{{ */
 Block_
@@ -1230,7 +1245,7 @@ DefaultClause
 /* }}} */
 /* 12.12 Labelled Statements {{{ */
 LabelledStatement
-    : Identifier ":" Statement { $3->AddLabel($1); $$ = $3; }
+    : Identifier ":" Statement { $$ = new(driver.pool_) CYLabel($1, $3); }
     ;
 /* }}} */
 /* 12.13 The throw Statement {{{ */
@@ -1249,18 +1264,18 @@ CatchOpt
     ;
 
 FinallyOpt
-    : "finally" Block_ { $$ = $2; }
+    : "finally" Block_ { $$ = new(driver.pool_) CYFinally($2); }
     | { $$ = NULL; }
     ;
 /* }}} */
 
 /* 13 Function Definition {{{ */
 FunctionDeclaration
-    : "function" Identifier "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYFunction($2, $4, $7); }
+    : "function" Identifier "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYFunctionStatement($2, $4, $7); }
     ;
 
 FunctionExpression
-    : "function" IdentifierOpt "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYLambda($2, $4, $7); }
+    : "function" IdentifierOpt "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYFunctionExpression($2, $4, $7); }
     ;
 
 FormalParameterList_
@@ -1279,7 +1294,7 @@ FunctionBody
 /* }}} */
 /* 14 Program {{{ */
 Program
-    : SourceElements { driver.source_ = $1; }
+    : SourceElements { driver.program_ = new(driver.pool_) CYProgram($1); }
     ;
 
 SourceElements
@@ -1288,7 +1303,7 @@ SourceElements
     ;
 
 SourceElement
-    : Statement { $$ = $1; }
+    : Statement_ { $$ = $1; }
     | FunctionDeclaration { $$ = $1; }
     ;
 /* }}} */
@@ -1350,8 +1365,12 @@ ClassNameOpt
     | { $$ = NULL; }
     ;
 
-ClassDefinition
-    : "@class" ClassNameOpt ClassSuperOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYClass($2, $3, $4, $5); }
+ClassExpression
+    : "@class" ClassNameOpt ClassSuperOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYClassExpression($2, $3, $4, $5); }
+    ;
+
+ClassStatement
+    : "@class" ClassName ClassSuperOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYClassStatement($2, $3, $4, $5); }
     ;
 
 CategoryStatement
@@ -1359,11 +1378,11 @@ CategoryStatement
     ;
 
 PrimaryExpression
-    : ClassDefinition { $$ = $1; }
+    : ClassExpression { $$ = $1; }
     ;
 
-Statement
-    : ClassDefinition { $$ = $1; }
+Statement_
+    : ClassStatement { $$ = $1; }
     | CategoryStatement { $$ = $1; }
     ;
 /* }}} */
@@ -1420,7 +1439,8 @@ UnaryExpression_
     ;
 
 MemberAccess
-    : "->" Identifier { $$ = new(driver.pool_) CYIndirectMember(NULL, new(driver.pool_) CYString($2)); }
+    : "->" "[" Expression "]" { $$ = new(driver.pool_) CYIndirectMember(NULL, $3); }
+    | "->" Identifier { $$ = new(driver.pool_) CYIndirectMember(NULL, new(driver.pool_) CYString($2)); }
     ;
 /* }}} */
 /* ECMAScript5: Object Literal Trailing Comma {{{ */
@@ -1457,7 +1477,7 @@ ForInStatement
     : "for" "each" "(" ForInStatementInitialiser "in" Expression ")" Statement { $$ = new(driver.pool_) CYForEachIn($4, $6, $8); }
     ;
 /* }}} */
-/* JavaScript 1.7: Let Statements {{{ *//*
+/* JavaScript 1.7: let Statements {{{ *//*
 LetStatement
     : "let" "(" VariableDeclarationList ")" Block_ { $$ = new(driver.pool_) CYLet($3, $5); }
     ;
@@ -1466,5 +1486,10 @@ Statement
     : LetStatement
     ;
 *//* }}} */
+/* JavaScript FTW: Function Statements {{{ */
+Statement
+    : FunctionDeclaration { driver.Warning(yylloc, "warning, FunctionDeclaration is a SourceElement, not a Statement"); } { $$ = $1; }
+    ;
+/* }}} */
 
 %%