X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/7341eedbaf526ef2f0986b576c656906050e270a..2f33dd04e61fcd883fc6ddcb8f2add8fd9a45eba:/Parser.ypp.in

diff --git a/Parser.ypp.in b/Parser.ypp.in
index 9866a39..6e889fa 100644
--- a/Parser.ypp.in
+++ b/Parser.ypp.in
@@ -27,6 +27,7 @@
 #include "Driver.hpp"
 #include "Parser.hpp"
 #include "Stack.hpp"
+#include "Syntax.hpp"
 #define CYNew new(driver.pool_)
 
 @begin ObjectiveC
@@ -54,6 +55,7 @@
 %union { CYClassTail *classTail_; }
 %union { CYComprehension *comprehension_; }
 %union { CYElement *element_; }
+%union { CYEnumConstant *constant_; }
 %union { CYExpression *expression_; }
 %union { CYFalse *false_; }
 %union { CYVariable *variable_; }
@@ -72,6 +74,7 @@
 %union { CYParenthetical *parenthetical_; }
 %union { CYProperty *property_; }
 %union { CYPropertyName *propertyName_; }
+%union { CYTypeSigning signing_; }
 %union { CYSpan *span_; }
 %union { CYStatement *statement_; }
 %union { CYString *string_; }
@@ -86,8 +89,10 @@
 %union { CYTypeModifier *modifier_; }
 %union { CYTypeSpecifier *specifier_; }
 %union { CYTypedFormal *typedFormal_; }
-%union { CYTypedIdentifier *typedIdentifier_; }
+%union { CYTypedLocation *typedLocation_; }
+%union { CYTypedName *typedName_; }
 %union { CYTypedParameter *typedParameter_; }
+%union { CYType *typedThing_; }
 @end
 
 @begin ObjectiveC
@@ -225,6 +230,9 @@ type; })
         case CYMarkModule:
             driver.hold_ = yytranslate_(token::MarkModule);
             break;
+        case CYMarkExpression:
+            driver.hold_ = yytranslate_(token::MarkExpression);
+            break;
     }
 };
 
@@ -265,7 +273,6 @@ type; })
 
 @begin E4X ObjectiveC
 %token At "@"
-%token Pound "#"
 @end
 
 %token Ampersand "&"
@@ -315,6 +322,7 @@ type; })
 %token Comma ","
 %token Question "?"
 %token SemiColon ";"
+%token Pound "#"
 %token NewLine "\n"
 %token __ ""
 
@@ -423,6 +431,7 @@ type; })
 %token _goto_ "goto"
 %token _implements_ "implements"
 %token _int_ "int"
+%token ___int128_ "__int128"
 %token _interface_ "interface"
 %token _let_ "let"
 %token _let__ "!let"
@@ -434,8 +443,6 @@ type; })
 %token ___proto___ "__proto__"
 %token _prototype_ "prototype"
 %token _public_ "public"
-%token ___restrict_ "__restrict"
-%token _restrict_ "restrict"
 %token _set_ "set"
 %token _short_ "short"
 %token _static_ "static"
@@ -666,27 +673,33 @@ type; })
 %type <expression_> YieldExpression
 
 @begin C
+%type <constant_> EnumConstantListOpt_
+%type <constant_> EnumConstantListOpt
+%type <number_> IntegerNumber
 %type <integral_> IntegerType
 %type <integral_> IntegerTypeOpt
-%type <typedIdentifier_> PrefixedType
+%type <typedName_> PrefixedType
+%type <specifier_> PrimitiveReference
 %type <specifier_> PrimitiveType
 %type <structField_> StructFieldListOpt
-%type <typedIdentifier_> SuffixedType
-%type <typedIdentifier_> SuffixedTypeOpt
-%type <typedIdentifier_> TypeSignifier
-%type <typedIdentifier_> TypeSignifierNone
-%type <typedIdentifier_> TypeSignifierOpt
+%type <typedName_> SuffixedType
+%type <typedName_> SuffixedTypeOpt
+%type <typedName_> TypeSignifier
+%type <typedName_> TypeSignifierNone
+%type <typedName_> TypeSignifierOpt
+%type <signing_> TypeSigning
 %type <modifier_> ParameterTail
 %type <modifier_> TypeQualifierLeft
 %type <modifier_> TypeQualifierLeftOpt
-%type <typedIdentifier_> TypeQualifierRight
-%type <typedIdentifier_> TypeQualifierRightOpt
-%type <typedIdentifier_> TypedIdentifierDefinition
-%type <typedIdentifier_> TypedIdentifierEncoding
-%type <typedIdentifier_> TypedIdentifierField
-%type <typedIdentifier_> TypedIdentifierMaybe
-%type <typedIdentifier_> TypedIdentifierNo
-%type <typedIdentifier_> TypedIdentifierYes
+%type <typedName_> TypeQualifierRight
+%type <typedName_> TypeQualifierRightOpt
+%type <typedName_> TypedIdentifierDefinition
+%type <typedThing_> TypedIdentifierEncoding
+%type <typedName_> TypedIdentifierField
+%type <typedName_> TypedIdentifierMaybe
+%type <typedLocation_> TypedIdentifierNo
+%type <typedName_> TypedIdentifierTagged
+%type <typedName_> TypedIdentifierYes
 %type <typedFormal_> TypedParameterList_
 %type <typedFormal_> TypedParameterList
 %type <typedFormal_> TypedParameterListOpt
@@ -722,7 +735,7 @@ type; })
 %type <selector_> SelectorExpressionOpt
 %type <argument_> SelectorList
 %type <word_> SelectorWordOpt
-%type <typedIdentifier_> TypeOpt
+%type <typedThing_> TypeOpt
 %type <argument_> VariadicCall
 @end
 
@@ -758,12 +771,14 @@ type; })
 %start Program
 %token MarkModule
 %token MarkScript
+%token MarkExpression
 
 %%
 
 Program
     : MarkScript Script
     | MarkModule Module
+    | MarkExpression Expression[expression] { driver.context_ = $expression; }
     ;
 
 /* Lexer State {{{ */
@@ -964,11 +979,9 @@ IdentifierTypeNoOf
     | "boolean" { $$ = CYNew CYIdentifier("boolean"); }
     | "byte" { $$ = CYNew CYIdentifier("byte"); }
     | "constructor" { $$ = CYNew CYIdentifier("constructor"); }
-    | "double" { $$ = CYNew CYIdentifier("double"); }
     | "each" { $$ = CYNew CYIdentifier("each"); }
     | "eval" { $$ = CYNew CYIdentifier("eval"); }
     | "final" { $$ = CYNew CYIdentifier("final"); }
-    | "float" { $$ = CYNew CYIdentifier("float"); }
     | "from" { $$ = CYNew CYIdentifier("from"); }
     | "get" { $$ = CYNew CYIdentifier("get"); }
     | "goto" { $$ = CYNew CYIdentifier("goto"); }
@@ -1012,10 +1025,11 @@ IdentifierTypeOpt
 IdentifierNoOf
     : IdentifierTypeNoOf
     | "char" { $$ = CYNew CYIdentifier("char"); }
+    | "double" { $$ = CYNew CYIdentifier("double"); }
+    | "float" { $$ = CYNew CYIdentifier("float"); }
     | "int" { $$ = CYNew CYIdentifier("int"); }
+    | "__int128" { $$ = CYNew CYIdentifier("__int128"); }
     | "long" { $$ = CYNew CYIdentifier("long"); }
-    | "__restrict" { $$ = CYNew CYIdentifier("__restrict"); }
-    | "restrict" { $$ = CYNew CYIdentifier("restrict"); }
     | "short" { $$ = CYNew CYIdentifier("short"); }
     | "static" { $$ = CYNew CYIdentifier("static"); }
     | "volatile" { $$ = CYNew CYIdentifier("volatile"); }
@@ -2011,12 +2025,14 @@ ExportSpecifier
 @begin C
 /* Cycript (C): Type Encoding {{{ */
 TypeSignifier
-    : IdentifierType[identifier] { $$ = CYNew CYTypedIdentifier(@identifier, $identifier); }
+    : IdentifierType[name] { $$ = CYNew CYTypedName(@name, $name); }
+    | StringLiteral[name] { $$ = CYNew CYTypedName(@name, $name); }
+    | NumericLiteral[name] { $$ = CYNew CYTypedName(@name, $name); }
     | "(" "*" TypeQualifierRightOpt[typed] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
     ;
 
 TypeSignifierNone
-    : { $$ = CYNew CYTypedIdentifier(@$); }
+    : { $$ = CYNew CYTypedName(@$); }
     ;
 
 TypeSignifierOpt
@@ -2024,34 +2040,15 @@ TypeSignifierOpt
     | TypeSignifierNone[pass] { $$ = $pass; }
     ;
 
-Restrict
-    : "__restrict"
-    | "restrict"
-    ;
-
-RestrictOpt
-    : Restrict
-    |
-    ;
-
-ParameterModifier
-    : "throw" "(" ")"
-    ;
-
-ParameterModifierOpt
-    : ParameterModifier
-    |
-    ;
-
 ParameterTail
-    : TypedParameterListOpt[formal] ")" ParameterModifierOpt { $$ = CYNew CYTypeFunctionWith($formal->variadic_, $formal->parameters_); }
+    : TypedParameterListOpt[formal] ")" { $$ = CYNew CYTypeFunctionWith($formal->variadic_, $formal->parameters_); }
     ;
 
 SuffixedType
-    : SuffixedTypeOpt[typed] "[" RestrictOpt NumericLiteral[size] "]" { $$ = $typed; $$->modifier_ = CYNew CYTypeArrayOf($size, $$->modifier_); }
+    : SuffixedTypeOpt[typed] "[" AssignmentExpression[size] "]" { $$ = $typed; $$->modifier_ = CYNew CYTypeArrayOf($size, $$->modifier_); }
     | "(" "^" TypeQualifierRightOpt[typed] ")" "(" TypedParameters[parameters] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypeBlockWith($parameters, $$->modifier_); }
     | TypeSignifier[typed] "(" ParameterTail[modifier] { $$ = $typed; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
-    | "("[parenthesis] ParameterTail[modifier] { $$ = CYNew CYTypedIdentifier(@parenthesis); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
+    | "("[parenthesis] ParameterTail[modifier] { $$ = CYNew CYTypedName(@parenthesis); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
     ;
 
 SuffixedTypeOpt
@@ -2078,7 +2075,6 @@ TypeQualifierRight
     | PrefixedType[pass] { $$ = $pass; }
     | "const" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); }
     | "volatile" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeVolatile($$->modifier_); }
-    | Restrict TypeQualifierRightOpt[typed] { $$ = $typed; }
     ;
 
 TypeQualifierRightOpt
@@ -2100,46 +2096,83 @@ IntegerTypeOpt
     ;
 
 StructFieldListOpt
-    : TypedIdentifierField[typed] ";" StructFieldListOpt[next] { $$ = CYNew CYTypeStructField($typed, $next); }
+    : TypedIdentifierField[typed] ";" StructFieldListOpt[next] { $$ = CYNew CYTypeStructField($typed, $typed->name_, $next); }
+    | { $$ = NULL; }
+    ;
+
+IntegerNumber
+    : NumericLiteral[pass] { $$ = $pass; }
+    | "-" NumericLiteral[positive] { $$ = $positive; $$->value_ = -$$->value_; }
+    ;
+
+EnumConstantListOpt_
+    : "," EnumConstantListOpt[pass] { $$ = $pass; }
     | { $$ = NULL; }
     ;
 
+EnumConstantListOpt
+    : IdentifierType[name] "=" IntegerNumber[value] EnumConstantListOpt_[next] { $$ = CYNew CYEnumConstant($name, $value, $next); }
+    | { $$ = NULL; }
+    ;
+
+TypeSigning
+    : { $$ = CYTypeNeutral; }
+    | "signed" { $$ = CYTypeSigned; }
+    | "unsigned" { $$ = CYTypeUnsigned; }
+    ;
+
 PrimitiveType
     : IdentifierType[name] { $$ = CYNew CYTypeVariable($name); }
     | IntegerType[pass] { $$ = $pass; }
-    | "char" { $$ = CYNew CYTypeCharacter(CYTypeNeutral); }
-    | "signed" "char" { $$ = CYNew CYTypeCharacter(CYTypeSigned); }
-    | "unsigned" "char" { $$ = CYNew CYTypeCharacter(CYTypeUnsigned); }
-    | "struct" IdentifierType[name] { $$ = CYNew CYTypeReference($name); }
+    | TypeSigning[signing] "char" { $$ = CYNew CYTypeCharacter($signing); }
+    | TypeSigning[signing] "__int128" { $$ = CYNew CYTypeInt128($signing); }
+    | "float" { $$ = CYNew CYTypeFloating(0); }
+    | "double" { $$ = CYNew CYTypeFloating(1); }
+    | "long" "double" { $$ = CYNew CYTypeFloating(2); }
+    ;
+
+PrimitiveReference
+    : PrimitiveType[pass] { $$ = $pass; }
+    | "struct" IdentifierType[name] { $$ = CYNew CYTypeReference(CYTypeReferenceStruct, $name); }
+    | "enum" IdentifierType[name] { $$ = CYNew CYTypeReference(CYTypeReferenceEnum, $name); }
+    | "struct" AutoComplete { driver.mode_ = CYDriver::AutoStruct; YYACCEPT; }
+    | "enum" AutoComplete { driver.mode_ = CYDriver::AutoEnum; YYACCEPT; }
     ;
 
 TypedIdentifierMaybe
     : TypeQualifierLeft[modifier] "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
     | "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); }
-    | TypeQualifierLeftOpt[modifier] PrimitiveType[specifier] TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = $specifier; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
+    | TypeQualifierLeftOpt[modifier] PrimitiveReference[specifier] TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = $specifier; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
     ;
 
 TypedIdentifierYes
-    : TypedIdentifierMaybe[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
+    : TypedIdentifierMaybe[typed] { if ($typed->name_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
     ;
 
 TypedIdentifierNo
-    : TypedIdentifierMaybe[typed] { if ($typed->identifier_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
+    : TypedIdentifierMaybe[typed] { if ($typed->name_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
+    ;
+
+TypedIdentifierTagged
+    : TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
+    | TypeQualifierLeftOpt[modifier] "enum" ":" PrimitiveType[specifier] "{" EnumConstantListOpt[constants] "}" TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeEnum(NULL, $specifier, $constants); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
     ;
 
 TypedIdentifierField
     : TypedIdentifierYes[pass] { $$ = $pass; }
-    | TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
+    | TypedIdentifierTagged[typed] { if ($typed->name_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
     ;
 
 TypedIdentifierEncoding
     : TypedIdentifierNo[pass] { $$ = $pass; }
-    | TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
+    | TypedIdentifierTagged[typed] { if ($typed->name_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
+    | "void" TypeSignifierNone[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); }
     ;
 
 TypedIdentifierDefinition
     : TypedIdentifierYes[pass] { $$ = $pass; }
-    | TypeQualifierLeftOpt[modifier] "struct" IdentifierTypeOpt[name] "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct($name, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
+    | TypeQualifierLeftOpt[modifier] "struct" IdentifierTypeOpt[name] "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->name_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct($name, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
+    | "void" TypeSignifier[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); }
     ;
 
 PrimaryExpression
@@ -2157,7 +2190,7 @@ ClassSuperOpt
     ;
 
 ImplementationFieldListOpt
-    : TypedIdentifierField[typed] ";" ImplementationFieldListOpt[next] { $$ = CYNew CYImplementationField($typed, $next); }
+    : TypedIdentifierField[typed] ";" ImplementationFieldListOpt[next] { $$ = CYNew CYImplementationField($typed, $typed->name_, $next); }
     | { $$ = NULL; }
     ;
 
@@ -2168,11 +2201,11 @@ MessageScope
 
 TypeOpt
     : "(" TypedIdentifierNo[type] ")" { $$ = $type; }
-    | { $$ = CYNew CYTypedIdentifier(CYNew CYTypeVariable("id")); }
+    | { $$ = CYNew CYType(CYNew CYTypeVariable("id")); }
     ;
 
 MessageParameter
-    : Word[tag] ":" TypeOpt[type] BindingIdentifier[identifier] { $type->identifier_ = $identifier; $$ = CYNew CYMessageParameter($tag, $type); }
+    : Word[tag] ":" TypeOpt[type] BindingIdentifier[identifier] { $$ = CYNew CYMessageParameter($tag, $type, $identifier); }
     ;
 
 MessageParameterList
@@ -2186,7 +2219,7 @@ MessageParameterListOpt
 
 MessageParameters
     : MessageParameterList[pass] { $$ = $pass; }
-    | Word[tag] { $$ = CYNew CYMessageParameter($tag, NULL); }
+    | Word[tag] { $$ = CYNew CYMessageParameter($tag); }
     ;
 
 ClassMessageDeclaration
@@ -2368,7 +2401,7 @@ TypedParameterList_
     ;
 
 TypedParameterList
-    : TypedIdentifierMaybe[typed] TypedParameterList_[formal] { $$ = $formal; $$->parameters_ = CYNew CYTypedParameter($typed, $$->parameters_); }
+    : TypedIdentifierMaybe[typed] TypedParameterList_[formal] { CYIdentifier *identifier; if ($typed->name_ == NULL) identifier = NULL; else { identifier = $typed->name_->Identifier(); if (identifier == NULL) CYERR($typed->location_, "invalid identifier"); } $$ = $formal; $$->parameters_ = CYNew CYTypedParameter($typed, identifier, $$->parameters_); }
     | "..." { $$ = CYNew CYTypedFormal(true); }
     ;
 
@@ -2396,7 +2429,8 @@ Statement__
     ;
 
 PrimaryExpression
-    : "(" LexOf "struct" NewLineOpt IdentifierType[name] TypeQualifierRightOpt[typed] ")" { $typed->specifier_ = CYNew CYTypeReference($name); $$ = CYNew CYTypeExpression($typed); }
+    : "(" LexOf "struct" NewLineOpt IdentifierType[name] TypeQualifierRightOpt[typed] ")" { $typed->specifier_ = CYNew CYTypeReference(CYTypeReferenceStruct, $name); $$ = CYNew CYTypeExpression($typed); }
+    | "(" LexOf "struct" NewLineOpt AutoComplete { driver.mode_ = CYDriver::AutoStruct; YYACCEPT; }
     ;
 /* }}} */
 /* Cycript (C): Type Definitions {{{ */
@@ -2405,7 +2439,7 @@ IdentifierNoOf
     ;
 
 TypeDefinition
-    : "typedef" NewLineNot TypedIdentifierDefinition[typed] TerminatorHard { $$ = CYNew CYTypeDefinition($typed); }
+    : "typedef" NewLineNot TypedIdentifierDefinition[typed] TerminatorHard { CYIdentifier *identifier; if ($typed->name_ == NULL) identifier = NULL; else { identifier = $typed->name_->Identifier(); if (identifier == NULL) CYERR($typed->location_, "invalid identifier"); } $$ = CYNew CYTypeDefinition($typed, identifier); }
     ;
 
 Statement__
@@ -2422,7 +2456,7 @@ IdentifierNoOf
     ;
 
 ExternCStatement
-    : TypedIdentifierField[typed] TerminatorHard { $$ = CYNew CYExternal(CYNew CYString("C"), $typed); }
+    : TypedIdentifierField[typed] TerminatorHard { CYIdentifier *identifier; if ($typed->name_ == NULL) identifier = NULL; else { identifier = $typed->name_->Identifier(); if (identifier == NULL) CYERR($typed->location_, "invalid identifier"); } $$ = CYNew CYExternalDefinition(CYNew CYString("C"), $typed, identifier); }
     | TypeDefinition[pass] { $$ = $pass; }
     ;
 
@@ -2436,8 +2470,16 @@ ExternC
     | ExternCStatement[pass] { $$ = $pass; }
     ;
 
+ABI
+    : StringLiteral[abi] { if (strcmp($abi->Value(), "C") != 0) CYERR(@abi, "unknown extern binding"); }
+    ;
+
 Statement__
-    : "extern" NewLineNot StringLiteral[abi] { if (strcmp($abi->Value(), "C") != 0) CYERR(@abi, "unknown extern binding"); } ExternC[pass] { $$ = $pass; }
+    : "extern" NewLineNot ABI[abi] ExternC[pass] { $$ = $pass; }
+    ;
+
+PrimaryExpression
+    : "(" LexOf "extern" NewLineOpt ABI[abi] TypedIdentifierField[typed] ")" { $$ = CYNew CYExternalExpression(CYNew CYString("C"), $typed, $typed->name_); }
     ;
 /* }}} */
 @end