2005-03-29 Cesar Lopez Nataren <cnataren@novell.com>

[mono.git] / mcs / class / Microsoft.JScript / Microsoft.JScript / ChangeLog

2005-03-29  Cesar Lopez Nataren  <cnataren@novell.com>

        * GlobalScope.cs: Set parent and engine in ctr. Return 'this' for
        GetDefaultThisObject.
        * ScriptObject.cs: Added protected 'parent' field of type
        GlobalScope.

2005-03-16  Cesar Lopez Nataren  <cnataren@novell.com>

        * FunctionExpression.cs: Update to TypeManager new API.

        * TypeManager.cs: Keep both MethodBuilder and LocalBuilder around.

        * FunctionDeclaration.cs: In some contexts we need the
        MethodBuilder and LocalBuilder, so we must keep both around.

        * expression.cs: (load_script_func) Take care if bounded variable
        was declared in a nested context. (emit_create_instance) Handle
        the FunctionConstructor case.

2005-02-28  Cesar Lopez Nataren  <cnataren@novell.com>

        * ForIn.cs: Initial implementation of ForIn stm.

2005-02-27  Cesar Lopez Nataren  <cnataren@novell.com>

        * VariableStatement.cs (PopulateContext): Do not add the symbol to
        the context if already defined in current context.

        * CodeGenerator.cs: Renamed VariableDefined to variable_defined_in_current_scope.

        * TypeManager.cs: Reimplemented it, We use an IdentificationTable
        instead of a simple Hashtable so we can handle scopes
        properly. Cleaner api.

        * VariableDeclaration.cs: Use new CodeGenerator api. (EmitDecl)
        Add the builders to the TypeManager.

        * Block.cs: Use new TypeManager api.

        * FunctionDeclaration.cs: Use new TypeManager api. Take care of
        scopes in the TypeManger on Emit.

        * IdentificationTable.cs: (Binder) Changed the type of value from
        AST to object so I can use this symbol table
        anywhere. (IdentificationTable) Add current_locals stack and added
        method InCurrentScope. 

        * expression.cs: Use new api from TypeManager, Add casts where neeeded.

        This solves an infinite loop we were falling into when calling
        IdentificationTable.CurrentLocals when repeated declarations where
        inside function declarations.
        
        * ast.cs: Added protected field ig to class Function.
        * Block.cs: Emit function's body in a later phase since free
        ocurrences of functions - at the same level of it - can be handled
        properly, since they must be defined and inited to the correct values.
        * FunctionDeclaration.cs: Renamed Emit to create_closure. And make
        Emit only generate the code of the body.

        Fixes #73078.

2005-02-22  Cesar Lopez Nataren  <cnataren@novell.com>

        * Block.cs: Report error JS5040. Reopened #72674, see last comment of it.

        * CodeGenerator.cs: Added method VariableDefined.
        
        * TypeManager.cs: Added method SetMethod.
        
        * VariableDeclaration.cs (EmitDecl): Added logic to allow multiple
        declarations of the same var. Fixes #72674.
        
        * Block.cs: Added hashtable ocurrences. It holds the index of the
        previous declaration which after encountering another one with the
        same name gets nuked.

        * FunctionDeclaration.cs: Added logic for allowing multiple
        declaration of methods with the same name. Fixes #72674.        

        * expression.cs (Args): Added field func. Holds a reference to the
        Function which to the args are being passed. Use it to track the
        proper number of arguments for the call. 

2005-02-20  Cesar Lopez Nataren  <cnataren@novell.com>

        * expression.cs (Args.Emit): check if num_of_args is -1.
        * ast.cs (Function.NumOfArgs): avoid using a null pointer. In the
        code generation phase if num_of_args is -1 means the actual
        arguments are the desired number of args. Fixes #72697.

        * Parser.cs: Pass proper parent.
        * CodeGenerator.cs: added emit_get_default_this.
        * Literal.cs (This) : Resolve and Emit implemented. Fixes #72477
        * expression.cs: (emit_late_get_or_set) use
        load_engine. (load_script_func) Ensure that TypeManager has a ref
        to the local otherwise it's a field. (New.Resolve) Check if late
        binding is needed. (New.Emit) Generate proper IL that make use of
        late binding  when the id of the constructor it's not part of the
        build in objects.

2005-02-14  Cesar Lopez Nataren  <cnataren@novell.com>

        * Token.cs, TokenStream.cs, Parser.cs: make this classes internal.

        * Context.cs: delete wrongly exposed ctr.

2005-02-10  Cesar Lopez Nataren  <cnataren@novell.com>

        * expression.cs: use InFuntion in proper places.

        * Parser.cs: Add parameter that indicates if it's a prefix
        operator. When building the MemberExprTail set to proper parent.
        * PostOrPrefixOperator.cs: Partial implementation of ++ and --,
        prefix and suffix, we assume that the operand is a variable.

2005-02-09  Cesar Lopez Nataren  <cnataren@novell.com>

        * expression.cs: Added method EmitStore and EmitLoad to Identifier
        class. Implemented op= operators. Fixes 72393.

2005-02-08  Cesar Lopez Nataren  <cnataren@novell.com>

        * expression.cs (Identifier.Emit): Handle case where we are
        assigning to a formal parameter. Fixes #72333.

2005-02-06  Cesar Lopez Nataren  <cnataren@novell.com>

        * expression.cs: (load_script_func) Load localbuilder in an
        invocation when needed, this let us have higher order functions,
        which is lovely (Fixes #71129). Update calls to load_engine to new signature. 
        * FunctionDeclaration.cs: Add LocalBuilder to TypeManager.locals
        * Statement.cs: Changed ctr to Init, so we can track correctly the
        parent hierarchy when building the ast of the program.
        * TypeManager.cs: Added field locals. Factored code for
        handling the tables. Added enums ManagedType and Operation.
        * Parser.cs: Track correctly the parent of return.
        * ast.cs (class Function): add ScriptBlock as possible parent of a
        global expression.
        * CodeGenerator.cs: change signature of load_engine. Instead of a
        AST a boolean. So we can call it with InFunction as parameter.

2005-02-05  Cesar Lopez Nataren  <cnataren@novell.com>

        * expression.cs: rework the late binding algorithm, we directly
        call an object's method if it's a static method of it. Added field
        late_bind, properties AccessField and Binding, renamed emit_access
        to emit_array_access to class Binary. Added fields params_info,
        late_bind and var_args to Class Args; also methods has_var_args,
        force_strong_type, reworked its Emit code, we take care of methods
        which have variable number of arguments, take care of needed
        conversions and boxing when the call has specific strong types as
        formal parameters. Added method IsPrint and property Parameters to
        class BuiltIn.
        * IdentificationTable.cs: Better implementation of jscript's
        environments semantics. Added classes Symbol and Binder.
        * SymbolTable.cs: Nuked.
        * Block.cs: Fix the semantic of semantic analysis and code
        generatipo process, we now allow forward declarations of variables
        and functions.
        * FunctionDeclaration.cs: Added default ctr and Init method. Fix
        the semantics of the Resolve and Emit process, we can have forward
        declaration of variables and functions. Fix order in which
        JSLocalField's get build.
        * FunctionExpression.cs: Fix order in which JSLocalField's get build. 
        * VariableStatement.cs: Added methods EmitVariableDecls and PopulateContext.
        * VariableDeclaration.cs: Added method EmitDecl. Delay the Resolve
        and Emit process until the second phase.
        * Statement.cs: Resolve process of For class take care of
        VariableStatements for populating the environment in advance.
        * TypeManager.cs: Make GetMethod return a MethodBuilder.
        * ast.cs: Added field locals, property NumOfArgs, method GetName
        to abstract class Function.
        * SemanticAnalyser.cs: unified global environment and the stack of
        contexts. Added field global_obj, adapt methods to new
        IdentificationTable api. Delete method ObjectSystemContains. Added
        method contains, is_js_object, object_contains_method, map_to_ctr,
        get_member.
        * Try.cs: Update to new IdentificationTable api.
        * ScriptObject.cs, JSPropertyInfo.cs, FormalParameterList.cs,
        JSFieldInfo.cs, JSMethodInfo.cs, JSLocalField.cs,
        ScriptFunction.cs: use full namespace name for Binder.

2005-01-17  Cesar Lopez Nataren  <cnataren@novell.com>

        * CodeGenerator.cs: Added load_engine.
        * expression.cs (emit_func_call), FunctionDeclaration.cs: Fix
        computation of VsaEngine.

2005-01-11  Cesar Lopez Nataren  <cnataren@novell.com>

        * StringConstructor.cs: implement CreateInstance.

2005-01-10  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * BooleanPrototype.cs: update to assert_type.
        * SemanticAnalizer.cs: move BooleanPrototype.AssertType here, rename it to assert_type.

2005-01-06  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * BooleanObject.cs: implement ctr's.
        * BooleanPrototype.cs: back to M.J namespace. Implement contructor
        property, toString and valueOf, add AssertType.

        * Convert.cs: add ToString overload and implement.

        * JSFieldInfo.cs, JSLocalField.cs: Add conditional NET_2_0 or BOOTSTRAP_NET_2_0 's
        Mono_GetGenericFieldDefinition.

        * StringObject.cs: add ctrs.

2005-01-05  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * ObjectPrototype.cs: Add internal ctr. Implement hasOwnProperty.
        * ObjectConstructor.cs: implemented CreateInstance.
        * expression.cs (emit_create_instance): add Boolean case.
        * Try.cs, Statement.cs (EmitStms), Literal.cs
        (ObjectLiteralItem.Emit), CodeGenerator.cs (fall_false): delete
        unused variables.

2004-12-15  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * CodeGenerator.cs: add support for compiling not only from cwd.

2004-12-13  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: emit code for null literal.

2004-12-06  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: added StringConstructor case.

        * MemberInfoList.cs: added internal classes Node, ListIter,
        ChainHash and implement MemberInfoList.
        * JSObject.cs: implement AddField, AddProperty, AddMethod,
        GetMembers, RemoveMember, GetEnumerator, add ChainHash's ext
        field.
        

2004-11-30  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * *Prototype.cs: return constructor.

2004-11-25  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * GlobalObject.cs: return the different kinds of object's
        constructors.
        * DateConstructor.cs, StringConstructor.cs, ObjectConstructor.cs,
        NumberConstructor.cs, VBArrayConstructor.cs,
        FunctionConstructor.cs, EnumeratorConstructor.cs,
        BooleanConstructor.cs, ArrayConstructor.cs, RegExpConstructor.cs,
        ActiveXObjectConstructor.cs : added default constructor and static
        contructor field.       
        * ErrorConstructor.cs: added default and discriminatory ctrs. Let
        us know which type of error we are.
        * DateObject.cs: add field that hold the millisecond representation of date.
        * JSError.cs, JScriptException.cs: back to Microsoft.JScript namespace.
        * DatePrototype.cs: add default ctr.
        
        * MathObject.cs: implement its methods.

2004-11-24  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * DateConstructor.cs: runtime support, ported parse method from Rhino.

2004-11-22  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * CodeGenerator.cs: (ff_emit_relational) receive a full
        EmitContext as parameter. Added
        ff_emit_equality_cond. (fall_false) take where of the case where
        an expression is received.
        
        * Parser.cs: use ToJSToken for building the Relational
        object. Map relational Token's to JSToken's.
        * expression.cs: Added Size property to class
        Expression. (emit_create_instance): Added Number code generation. 

        * Relational.cs (Emit): fix typo, emit boxing to boolean.

2004-11-19  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * NumericBinary.cs: implement EvaluateNumericBinary.

2004-11-15  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * CodeGenerator.cs: factor code for fall_true/fall_false (add
        emit_default_case, ft_binary_recursion, ft_emit_equality,
        ff_emit_relational, ff_binary_recursion). Fix
        trouble with logical ops code generation.       

2004-11-12  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * TypeOf.cs, Plus.cs, Equality.cs:  implementation of
        JScriptTypeOf, EvaluatePlus, EvaluateEquality.
        * Convert.cs (ToString): use the IConvertible/TypeCode approach
        for convertions. Add GetTypeCode.

        * Parser.cs, expression.cs: discriminate among =, +=, -=, etc. Add overload of
        ToJSToken.

2004-11-10  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs (emit_late_call): Pop after Call or CallValue when
        needed. (New.Emit) add emit_create_instance.
        

2004-11-08  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs (class New): add new operator support. Add
        emit_args, implemented Emit.

        * expression.cs: emit unary operator code.
        * TypeOf.cs: back to Microsoft.JScript namespace. fix typo.
        * Literal.cs: constrain more the case of negative numeric literal.

        * expression.cs (emit_func_call): pop if function's return type is
        non-void and has no effect. 

2004-11-07  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * BinaryOp.cs: added constructor for instantiating derived classes.
        * BitwiseBinary.cs, Equality.cs, In.cs, InstanceOf.cs,
        NumericBinary.cs, Plus.cs, Relational.cs, StrictEquality.cs,
        expression.cs (classes Binary, Assign): use inherited constructor. 
        * BitwiseBinary.cs, Equality.cs: deleted public constructor which carried the context.  

2004-10-25  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * StringObject.cs: add value field

        * expression.cs: implement LateBinding. Added methods:
        emit_late_binding, init_late_binding, emit_late_get_or_set,
        get_global_scope_or_this, setup_late_call_args, load_script_func, emit_late_call
        * Convert.cs: implement CheckIfDoubleIsInteger and CheckIfSingleIsInteger

2004-10-20  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * ast.cs (Function): added method emit_return_local_field, if
        there's a return stm inside a function we must allocate a
        JSLocalField indicating the return type of the function.
        * FunctionDeclaration.cs, FunctionExpression.cs: generate the
        extra JSLocalField if needed

2004-10-19  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Parser.cs: set the operator properly.

2004-10-11  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * GlobalObject.cs: ported encodeURI, encodeURIComponent,
        decodeURI, decodeURIComponent from Rhino's codebase. Added methods encode and decode.
        
        * expression.cs (Call.Emit): implement IsConstructorProperty.

2004-10-06  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: added support for function calls. Handle case of
        print where no args are supplied.       

2004-10-05  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * ast.cs: added GetContainerFunction property.
        * Statement.cs: added class NotVoidReturnEventArgs and delegate
        NotVoidReturnEventHandler, throw an event in case we find a
        return, the enclosing function object takes care of changing the
        return type of the function.
        * FunctionDeclaration.cs, FunctionExpression.cs: take care of
        return's inside functions.

2004-09-22  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: Binary, use ResolveFieldAccess only in case the operator is JSToken.AccessField.

        * Parser.cs: use ToJSToken to set the operator properly.
        * FunctionDeclaration.cs: delete spaces.

2004-09-21  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * FunctionDeclaration.cs: check for parent being a ScriptBlock.

2004-09-20  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: added semantic analysis for accessing fields on
        class Binary. Semantic Analysis for Calls it takes care of
        constructors and methods, added invocation code for built in
        methods. Added interface IAccesible that let us resolve the '.'
        operator. Class Args handles missing or surplus arguments. Added
        class BuiltIn which will take care of all builtins of ECMAScript.
        * ast.cs: added check for parent equal to ScriptBlock.
        * SymbolTable.cs: added method Remove.
        * Statement.cs: Added abstract class Jump of which Continue and
        Break inherit, checks the label stuff. Added checks for Label
        stuff to Continue and Break classes. Added method Init for
        DoWhile. Fixes for loops statements in order to be able for have
        nested loops. Initial support for Label statements.
        * SemanticAnalizer.cs: added hash global_env and
        IdentificationTable label_set for keeping track of global methods and
        label sets. Added static constructor, method BuildGlobalEnv,
        ImplementationName, ObjectSystemContains, AddLabel, ContainsLabel,
        GetLabel, RemoveLabel.  
        * Relational.cs: added code generation for ops instanceof and
        in. Fixes for usual relational ops.
        * Parser.cs:fixes to keep track of the inheritance chain.
        * MathObject.cs: added internal constructor.
        * JSFunctionAttribute.cs: added fields value and built_in_function
        so we can decide when a method is really a built in.
        * IdentificationTable.cs: added method Remove.
        * CodeGenerator.cs: fixes for fall_true & fall_false for taking care of ast when is a Expression.

2004-08-25  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: made Binary is IAssignable, added fields assign
        and right_side, added method ResolveAssign (which now receives an
        extra parameter, being the right side of the assigment). Take care of being
        inside a function for array indexing. Take care of lvalue case
        too. Assign.Emit just calls left.Emit since left knows everything
        about the right side of the assigment after Resolve process.
        * BitwiseBinary.cs, CodeGenerator.cs, Equality.cs, NumericBinary.cs, : updates for BinaryOp change.
        * BinaryOp.cs: renamed current_op to op as with the new
        parser we no longer need to keep track of the old_op.

2004-08-24  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: do not pass the operand as a parameter to the
        constructor as it gets after the parent gets constructed, same
        with binary. Added code generation for array index access.
        * Parser.cs: added ToJStoken which converts Token to JSToken,
        factored the code for creation the Unary nodes. Take care of
        parent relationship.
        * LateBinding.cs: back to Microsoft.JScript namespace.
        

2004-08-23  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Parser.cs: pass the skip_count to ArrayLiteral constructor.
        * Missing.cs: back to Microsoft.JScript namespace.
        * ArrayLiteral.cs: added field skip_count, it tells us if this is
        a spaced-arrayliteral, in which case we add a null value in the
        list, added null check in the resolve and code generation process.

2004-08-21  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: added interface ICallable and and function AddArg
        to class Call. Added class New.
        * driver.cs: made it use the new lexer and parser.
        * ast.cs: added field line_number, added property InFunction,
        added class Function that factores all the code shared between
        FunctionDeclaration and FunctionExpression.
        * With.cs: constructor receives line number.
        * VariableStatement.cs: constructor receives line number.       
        * VariableDeclaration.cs: Added check for parent being
        FunctionDeclaration and FunctionExpression.
        * Try.cs: Moved the code that used to take care of the catch to
        Catch class. Constructor receives forming elements and line
        number. Removed mangle_id.
        * Throw.cs: constructor receives line number.
        * Statement.cs: If, DoWhile, Return  constructor receives line number. Renamed
        identifier to label in Continue and Break class, its constructor now
        receives the label and line number. For class, constructor
        receives its forming parts. Switch class, constructor receives
        line number, added function AddClause and AddStm. Added class
        Catch. Added class Labelled.
        * SemanticAnalyser.cs: Added field anon_method_counter, properties
        NextAnonymousMethod and CurrentAnonymousMethod.
        * Parser.cs: function ArgumentList receives a ICallable list
        instead of a AST. Now we add the arguments of a callable. Build
        Call's ast.
        * Literal.cs: added constructor for 'this' literal and
        ObjectLiteral constructor. Added RegExpLiteral class, will take
        care of regular expressions semantic analysis and code generation.
        * JSScanner.cs: use no more the antlr based lexer. Fix typo.
        * JSParser.cs: make it use the new port of Rhino's Parser.
        * FunctionObject.cs: Added constructor that receives the function name.
        * FunctionExpression.cs: made it inherit from Function class. Added
        constructor. Factored the code that used to set the prefix to
        Function.set_prefix (it's shared with FunctionDeclaration). Added
        fields local_script_func and field. Implemented Resolve and Emit
        (now we can do: var x = function (this, method, is, anonymous) {... };).        
        * FunctionDeclaration.cs: made it inherit from Function class in
        order to share code with FunctionExpression. Added new
        constructor. Moved the code that used to built the prefix to
        Function inside function set_prefix. When building the closure
        added check for  setting the type of a FunctionExpression. Moved
        set_function_type and set_custom_attr to class Function. 
        * ForIn.cs: added constructor and fields lhs, obj and body.
        * Block.cs: added default constructor and line number based
        constructor. Check for elems not being null before adding.
        * ArrayLiteral.cs: set elements in constructor.
        
2004-07-29  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Parser.cs: Added ClauseType enum. Added all the statements to current_script_or_fn,
        building the other block was not needed. Build the ast's for the
        expressions and statements, keep track of the parent relationship.

2004-07-19  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Added Token.cs, TokenStream.cs, Parser.cs which are the port of
        Mozilla/Rhino's  parser.

2004-06-24  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: added ast building for object_literal,
        it's disabled for now while I fix the "block Vs object_literal"
        non-determinism problem on the parser. Added rule for
        array_literal. Build PropertyName ast build.
        * Literal.cs: fixed the negative numbers code generation (we must
        optimize this). Added initial ObjectLiteral's class, code generation and
        Resolve process. Added class ObjectLiteralItem and PropertyName.
        * ArrayLiteral.cs: added internal size field as an ArrayLiteral can have
        elisions we keep track of the "real" size here. Added constructor. Added initial
        Resolve and Emit code.
        * ASTList.cs: added Size property. 
        * Globals.cs, ASTList.cs: Back to the useful namespace (M.J).

2004-06-20  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * CodeGenerator.cs: Added LoopBegin and LoopEnd to EmitContext, they are used by
        break and continue in order to jump to the desired place. Added
        check for converting to boolean if we encounter an identifier (at need_convert_to_boolean).
        * Statement.cs: class If.Emit, call fall_true instead of fall_false so we don't
        need to jump if the expression evaluates to true. Continue class,
        replaced ParentIsItrStm with InLoop, emit jump to correct
        place. Break class, implemented Resolve; deleted
        ParentIsCorrect. DoWhile, While classes, set LoopBegin and
        LoopEnd. While class, set LoopBegin and LoopEnd. 
        * ast.cs: Added InLoop and InSwitch.
        * jscript-lexer-parser.g: pass parent to break_stm. Added block as
        a statement. Temporarily disabled object_literal in order to test
        the block structure and continue and break statements.
        
2004-05-28  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Statement.cs: changed parent_is_itr_stm method to ParentIsItrStm
        property. Added initial pieces for Break's Resolve. Fixed bug that
        did not let Emit the code for case clauses that came after the
        default clause (we match the jsc behavior).
        * jscript-lexer-parser.g: set parent of switch's clauses.

2004-05-27  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Statement.cs: added parent as a parameter on Continue constructor. Added parent_is_itr_stm
        * jscript-lexer-parser.g: set parent hierarchy for continue
        statement. Set to correct parent in iteration_stm.

2004-05-24  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * StrictEquality.cs, JSFieldInfo.cs: got it back to Microsoft.JScript namespace.

        * Statement.cs: Added code generation support for 'switch' statement.

        * jscript-lexer-parser.g: added 'using' for
        System.Collections. Allow 'switch' statement building of its
        ast. Added parent parameter to constructor of With. Build
        inside_for ast. 

        * With.cs: code generation support for 'with' stm.

2004-05-21  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Statement.cs: initial code generation of 'for'.
        * jscript-lexer-parser.g: let's build for's ast.

2004-05-18  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: let's build Try/Catch/Finally ast.
        * expression.cs: handle Try case for field or local vars allocation. 
        * Try.cs: implemented Emit.
        * Throw.cs: implemented code generation.
        * FunctionDeclaration.cs: cache some values.

2004-04-26  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * FunctionDeclaration.cs: let's make function name formation
        (get_name ()) a little bit less dumb. We cache the prefix now so
        we don't have to recalculate it everytime.

2004-04-22  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Literal.cs: emit the correct code for negative numbers.
        * jscript-lexer-parser.g: set parent unary_expr.

2004-04-18  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: added code generation for 'x1 ? x2 :x3' op.
        * Statement.cs: Added code generation for while and do-while.

2004-04-17  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Statement.cs (class if): reimplemented Emit based on fall_false.
        * Equality.cs: added code generation for != and emit jumping code
        only in the case we are at a global expression not statement.
        * CodeGenerator.cs (fall_true, fall_false): Check if convertion to
        boolean needed. Made emit_to_boolean internal. Added need_convert_to_boolean.

2004-04-14  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs (Binary.Emit): treat boolean operator
        specially. Added emit_jumping_code.
        * CodeGenerator.cs: Added emit_to_boolean. Added fall_true and
        fall_false, which will express all boolean expressions and control
        flow conditions. 

2004-04-02  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Equality.cs: Moved the Emit and Resolve code here.
        * jscript-lexer-parser.g: Build a Equality object instead of a
        Binary object for equality_expr.
        * expression.cs: moved equality oeprators (resolve and IL gen) to
        Equality.Emit and Equality.Resolve.

2004-03-31  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: Added shift operators IL emit.
        * BitwiseBinary.cs: added constructor for building it according to
        JSToken enum. return a new object on EvaluateBitwiseBinary (this
        needs a real implementation).
        * expression.cs: added code for evaluation of bitwise operators at emit_op_eval.

        * Statement.cs: added stub for While and DoWhile ast
        representation (reworking my Emit code).
        * jscript-parser-lexer.g: allow iteration statement ast build.

        * FunctionDeclaration.cs: agrouped code for setting custom attribute.

        * expression.cs: added Modulo operator case.

2004-03-16  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Convert.cs: added rule for string conversion.

        * Plus.cs: added rule for string addition.

        * PostOrPrefixOperator.cs: added constructor, returned to Microsoft.JScript ns, initial Resolve and
        Emit (cases where there's no real operator).

        * StringLiteral.cs: now implements Exp as can appear as a simple
        exp in global code. Added check for Pop generation.

        * expression.cs: added IL generation code for print func call. 
        Args class added get_element, Size and made Resolve behave as the
        others (collect the differents Resolve's return values from each
        of the arguments). Expression class, added default Resolve call
        for non-Exp implementers.

        * jscript-lexer-parser.g: postfix_expr rule now returns a simple
        AST, this handles the case where no postOrPrefixOp present; Unary
        returns an AST too.

        * FormalParameterList.cs: added get_element, retrieves nth element.

2004-03-14  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * ScriptStream.cs: let's print some messages.

        * jscript-lexer-parser.g (STRING_LITERAL): Do not include the ' in the text of the rule.

2004-03-13  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: keep track of return's parent.
        * Statement.cs: added parent parameter to constructor.

        * expression.cs: refactored Emit code from Identifier, now we take
        care of function's paramenter references. First attack to function
        calls, check if Resolve from Call succeed.
        
        * VariableDeclaration.cs: Deleted Decl class, field_info and
        local_builder fields were being used only by VariableDeclaration,
        I'll keep them there.
        
        * FormalParameterList.cs: added field pos to FormalParam, and set
        it at FormalParameterList's Resolve stage. 
        
        * TODO: updated TODO.

2004-03-07  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: build If's ast. Keep track of expr parent.

        * expression.cs: At class Conditional renamed fields. Class
        Expression inherits from Exp as we must keep track if we must pop
        the last value (this is for the comma operator), track the parent,
        at Resolve we take care of the last value of the expression, 

        * VariableDeclaration.cs: updates needed because of EmitContext change.

        * Statement.cs: added parent param to If constructor. Implement
        Resolve and Emit for If statement.

        * Relational.cs: Set parent. The boxing happens in the containing statement.

        * FunctionDeclaration.cs: Added func_type field, will be used to determine the
        type of the function we are generating (global function, method
        from a class, etc) and attach to it the correct custom
        attribute. Simplified the code for nested functions: 
        refactored the code so no code duplication is involved, now we
        have only one function that retrieves  the name of the function,
        now create a new EmitContext for the body of the method.

        * FormalParameterList.cs, Literal.cs, StringLiteral.cs:  use
        current EmitContext's ILGenerator. 

        * Convert.cs: Do not throw the NotImplementedException anymore for
        method ToBoolean, for now we always return false. This must get a
        real implementation.

        * CodeGenerator.cs:  Deleted one of ILGenerator fields
        from EmitContext, suffices using only one (more notes about the
        change on the Functiondeclaration entry). Imitate jsc behavior for
        compiled files names, aggregate the exe or dll extension after last dot.

        * Block.cs: In order to implement the comma operator (i.e., expression,
        assign_exp), we must track if our expressions are at a global
        scope, in which case we must pop the last result too.

2004-01-25  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Relational.cs: Initial generation of CIL for relational operators.

2004-01-23  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: formal_param_list receives a parent too.

        * SymbolTable.cs: added size and current_symbols properties.

        * JSLocalField.cs: don't throw not ImplementedException from
        constructor (same reason, testing purposes, must get implemented
        for real).

        * IdentificationTable.cs: added num_of_locals and current_locals properties.

        * FunctionDeclaration.cs: added a LocalBuilder and DictionaryEntry
        as fields. Not throw NotImplementedException for
        JScriptFunctionDeclaration (testing purposes, must get implemeted
        for real). Let's build our function closures! Added functions:
        build_closure and build_closure_nested, build_local_fields. Keep
        track of current parameters and locals defs.

        * FormalParameterList.cs: made FormalParam inherit from
        AST. Implement the Emit for parameters, yeah!

        * CodeGenerator.cs: added a ModuleBuilder reference. New constructor.   

        * Closure.cs: do not throw the exception (this allow me to run the
        tests  at mcs/jtests and check that at least i'm not generating
        invalid CIL). Be aware that this must be really implemented.

        * Block.cs: renamed field, and implement the double pass for
        nested function declarations code emittion, yeah!.

2004-01-16  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Microsoft.JScript/VsaReferenceItem.cs: renamed field, reuse parent's ctr.
        * Microsoft.JScript/VsaItem.cs: renamed some fields, added ctr, 
        * Microsoft.JScript/VsaGlobalItem.cs: reuse parent ctr.
        * Microsoft.JScript/VsaCodeItem.cs: reuse parent ctr.
        * Microsoft.JScript/GlobalScope.cs: reuse constructors from parent.

        * UnaryOp.cs: inherit from Exp now.
        * Plus.cs: Don't throw the exception when calling constructor, let
        it build the default handler. Return a new object when calling
        EvaluatePlus until properly implemented.

        * NumericUnary.cs: added new Resolve.
        * NumericBinary.cs: assign operator val at ctr. Return a new
        object when calling EvaluateNumericBinary until properly
        implemented. Added Resolve.
        * Equality.cs: added ctr and return false for EvaluateEquality
        until properly implemented. Added Resolve's functions.

        * Block.cs (Resolve): That check was not necessary.
        
        * InstanceOf.cs, PostOrPrefixOperator.cs, Relational.cs,
        StrictEquality.cs, TypeOf.cs: added Resolve inherited from
        BinaryOp and UnaryOp, and this from Exp.
        * IdentificationTable.cs, ScriptBlock.cs: deleted debugging messages.
        * jscript-lexer-parser.g: deleted debugging messages. Create a
        Assign object instance of a simple Binary obj. Same case for Equality.

        * expression.cs: added Exp abstract class. Classes that are ast of
        language constructions that can appear as global expressions that
        get evaluated and then the result is discarded inherit from this
        new class. This let meee keep track of things that must get Popped
        or can even avoid the evaluation of it. Wrote real Resolve method
        for classes: Unary, Binary.
        Implemted Emit method for some binary operations (+, -, / and *),
        for other operators some more code is still missing.    
        Identifier: handle assignment cases and global exp cases.
        Added class Assign (compisite assignment still missing tough :-(

        * driver.cs: deleted debug messages, added "Compilation Succeeded"
        message ;-).
        * VariableStatement.cs, VariableDeclaration.cs: wrote real Resolve method.      
        * Literal.cs (BooleanLiteral, NumericLiteral): now inherits from
        Exp and handle the case for global expressions that must be popped
        after evaluation. no more invalid IL being generated! yeah!
        * Block.cs: wrote real Resolve method, erased debug messages.
        * BitwiseBinary.cs, InstanceOf.cs, UnaryOp.cs: : add new Resolve inherited from Exp.
        * BinaryOp.cs, Conditional: now inherits from Exp.

2004-01-15  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * ReferenceAttribute.cs: moved it back to namespace Microsoft.JScript.

        * CodeGenerator.cs: small fixes to generate same things that ms.

2004-01-13  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * VariableDeclaration.cs: get the this.type which is a Type not a TypeBuilder.

2004-01-12  Atsushi Enomoto  <atsushi@ximian.com>

        * JSMethodInfo.cs : tiny fix for NET_2_0 build.

2003-12-24  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: keep track of parent reference for
        IDENTIFIER, STRING_LITERAL.

        * expression.cs: Added 'binding' field. Added 'parent' parameter
        to constructor. Now we emit the proper code for the identifier.

        * VariableStatement.cs: updated to field names instead of the old
        property's name.

        * VariableDeclaration.cs: Added class Decl, it constains the
        references to the static field or LocalBuilder that are created
        when a declaration is emitted. Deleted unuseful properties (Id,
        InitValue, Type).

        * SymbolTable.cs: Deleted Retrieve method. Contains now returns an
        object instead of a boolean.

        * StringLiteral.cs: Deleted unuseful properties. Use ig instead of ec.ig.

        * IdentificationTable.cs: Deleted Retrieve method. Contains method
        now return an object instead of a boolean, that reference is the
        binding associated with the identifier being searched.

2003-12-18  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Keep track of parent for numeric_literal.

        * VariableDeclaration.cs: now I handle initialization (ex. var x =
        2; or function f () { var x = 4; }) at global scope or at
        function's body.

        * Literal.cs: Added parent param to NumericLiteral constructor.

        * FunctionDeclaration.cs: Added Ret opcode for all function declaration bodies.

2003-12-17  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * CodeGenerator.cs: Added IL emittion for ldnull on default ending code for 'Global Code'.

2003-12-10  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: added 'tokens { IN = "in"; INSTANCE_OF =
        "instanceof"; }' in order to be able to parse both keywords. When
        generating the parser, one warning about nondeterminism
        (k==1:"in") is generated ignore it.

2003-12-07  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: things like 'new Point (10, 20).x' were
        not parsable now they are. Mozilla's and Janet's  test suites are
        being really helpful.

2003-12-05  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: added check for non-null reference at
        var_decl_list rule. Added single quote STRING_LITERAL lexical rule
        and multiple lines comments rule.

        * jscript-lexer-parser.g: Now I keep track of the parent for most
        of the syntatic constructs. Fixed object_literal rule.

        * ast.cs: Added field parent. This will help me to track nested
        blocks for all of the syntatic constructs and will allow to Emit
        everything in one single pass.
        * FunctionDeclaration.cs, FunctionExpression.cs: Rearranged the
        parent stuff.
        * Block.cs, FunctionObject.cs: deleted parent field as AST will
        hold it. Delete parent parameter from constructor.
        * CodeGenerator.cs: Add field gc_ig (global code IL generator) to
        EmitContext class. The idea is Emitting everything in one pass (decls
        and 'Global Code' method, the parent reference let me know which IL
        generator use, gc_ig or ig).
        * Equality.cs, BooleanLiteral, Relational.cs: Added new parameter to
        constructor. Use new parent reference for choosing the IL
        generator. NumericLiteral a 'hard coded' int32 IL emittion added
        for testing. 
        * StringLiteral.cs, Literal.cs (BooleanLiteral.Emit): now I use
        the parent reference to infere which IL generator to use.
        * VariableDeclaration.cs: deleted parent field. At Emit, now I use the parent
        reference to infer which IL generator to use.
        * expression.cs: Added paramenter parent to constructor of: Unary,
        Binary, Conditional, Call.

2003-11-30  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs: Added new field to Call class, so it can handle more arguments.

        * StringLiteral.cs (Emit) : Load the string value.

        * Literal.cs: BooleanLiteral, Resolve always return true. Emit the value and box it to Boolean.

        * CodeGenerator.cs: Set parent if 'JScript 0' to GlobalScope. Set
        custom attribute. Build default 'JScript 0' constructor. Emit
        default initial/final code of 'Global Code'. Create default
        'JScript Main'.

2003-11-29  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-grammar.g: define new rule 'arguments' instead of
        repeating hand written rule all around. Change "." for DOT, dumb
        mistake by myself. Added rule new_expr. Now we handle properly the
        call_expr rule (as defined on the spec), and added a new
        argument. Added subrule new_expr to  left_hand_side_expr rule.

2003-11-27  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * expression.cs (Expression): implemented Emit.

        * expression.cs (Binary): Emit now creates a local for the
        different kinds of binary expressions (initial code for this).

        * ast.cs: Emit method now is abstract instead of virtual.

        * CodeGenerator.cs: changed no_global_code_method to is_global_code_method.

        * ASTList.cs, ArrayLiteral.cs, BitwiseBinary.cs, DebugBreak.cs,
        Enum.cs, Equality.cs, Eval.cs, ForIn.cs, FormalParameterList.cs,
        FunctionExpression.cs, Import.cs, InstanceOf.cs, Literal.cs,
        NumericLiteral, NumericBinary.cs, NumericUnary.cs, Package.cs,
        Plus.cs, PostOrPrefixOperator.cs, Print.cs, Relational.cs,
        Continue, Break, Return, StrictEquality.cs, StringLiteral.cs,
        Throw.cs, Try.cs, TypeOf.cs, VariableDeclaration.cs, With.cs,
        Conditional, Call, Identifier, Args, Expression, :
        added Emit method.

        * FunctionDeclaration.cs: Check if values are not null first (at
        Resolve). Ignore code generation is at 'Global Code'.

        * VariableDeclaration.cs: Now I take care of IL generation when we
        are at statements and expressions at global code, 'Global Code'
        method is populated with that IL.  

        * CodeGenerator.cs: Added flag for 'Global Code' method
        emittion. Now I call 'Emit' twice. The first for declarations the
        follower for statements and expressions at global scope.
        
2003-11-10 cesar lopez nataren <cesar@ciencias.unam.mx>

        * Visitor.cs: Deleted.

2003-11-09 cesar lopez nataren <cesar@ciencias.unam.mx>

        * FormalParameterList.cs: Now inherits from AST. Each of the
        formal parameters gets into the IdentificationTable at Resolve.

        * FunctionDeclaration.cs:Resolve (), We open a new block when
        encountering a FunctionDeclaration, resolve de parameters and the
        body, at the end we close the block.

        * IdentificationTable.cs: Now we keep track of parent of the
        current block. 'Enter (...)' now receives an object, not a
        VarDecl. 'Contains' now take care of searching through the binding
        chain.

        * Literal.cs: Deleted 'Literal' class, was being used for
        nothing. All the classes the inherited from it, now do it from
        AST. A 'literal' does resolve to true by default.

        * Relational.cs: Resolve recursively left and right.

        * SemanticAnalyser.cs: added flag for 'print statement'.

        * Statement.cs: 'If' class, resolves firstly the condition, the true_stm
        and false_stm.

        * driver.cs:  Init the semantic analysis phase.

        * expression.cs: 'Unary' class, resolves its operand
        first. 'Binary' class,resolves left and right first. 'Args' class
        resolve all the formal parameters first. 'Expression' resolve all
        the nested expressions first.

        * jscript-lexer-parser.g: Replaced 'Literal' references for AST ones.
        
2003-11-08 cesar lopez nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Allow the building of numeric_literal and DECIMAL_LITERAL,
        this is temporal in order to get Factorial compiled by mjs (must
        build the types according to Ecma-262 spec).

        * Literal.cs: Added NumericLiteral class.

2003-11-06 cesar lopez nataren <cesar@ciencias.unam.mx>

        * FunctionDeclaration.cs: Build a ScriptFunction local variable,
        if inside a nested block.

2003-11-05 cesar lopez nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Now we take care of parents. This allows
        to keep track if we are inside nested blocks. At
        'func_decl_or_expr', now I built the FunctionDeclaration or
        FunctionExpression first and then assign its body to it - this let
        me get a non-null value of the FunctionExpression or
        FunctionDeclaration so I can detect if it's a nested block (thanks go to Jackson!).

        * Block.cs, FunctionObject.cs, VariableDeclaration.cs: Added 'AST parent' field.
        * Block.cs, FunctionDeclaration.cs, FunctionExpression.cs,
        FunctionObject.cs, VariableDeclaration.cs: Added 'AST parent' parameter to constructor.

        * ScriptBlock.cs: Initiate the global block with 'null' as parent.
        
        * FunctionDeclaration.cs: Added 'get_composite_name ()' method
        (gets the name of a function if it's nested). Emit code for
        function's body. At 'Emit ()' now we take care if it's a nested
        declaration.

        * FunctionObject.cs: default return type is 'void' not
        'Object'. Function declarations without parameters map to functions with
        'Object this' and 'VsaEngine engine' as parameters by
        default. Assign parent to nested block.

        * VariableDeclaration.cs: At 'Emit ()', now we take care if we are
        a global declaration or inside a function declaration.
        
2003-11-04 cesar lopez nataren <cesar@ciencias.unam.mx>

        * FunctionObject.cs: Handle no parameters on functions.
        
        * jscript-lexer-parser.g: Allow functions without parameters.

2003-11-03 cesar lopez nataren <cesar@ciencias.unam.mx>

        * ASTList.cs, ArrayLiteral.cs, BitwiseBinary.cs, Blocks.cs,
        DebugBreak.cs, Enum.cs, Equality.cs, Eval.cs, ForIn.cs,
        FunctionDeclaration.cs, FunctionExpression.cs, Import.cs,
        InstanceOf.cs, Literal.cs, NumericBinary.cs, NumericUnary.cs,
        Package.cs, Plus.cs, PostOrPrefixOperator.cs, Print.cs,
        Relational.cs, ScriptBlock.cs, StrictEquality.cs, Throw.cs,
        Try.cs, TypeOf.cs, VariableDeclaration.cs, VariableStatement.cs,
        With.cs, expression.cs : Added 
        'Resolve' method stub.

        * CodeGenerator.cs: Added a ILGenerator field to EmitContext.

        * FormalParameterList.cs: Added FormalParam class. Change Add
        method to receive the id and the type annotation from function's parameters.

        * FunctionDeclaration.cs: Added code for initial function's
        definition code generation.

        * FunctionObject.cs: Added MethodAttributes and type_annot
        fields. Added params_types function, which returns an array of
        types from each of the function's parameters.

        * IdentificationTable.cs: Added ToString method.

        * SemanticAnalizer.cs: Fixed the file name (maybe I should erase it
        and add it again with the correct name). Not based on the Visitor
        pattern anymore. Deleted all the VisitFOO methods. Added a
        IdentificationTable field. Added Run, Dump methods.

        * Statement.cs: Deleted Statement class (it was being used for
        nothing). All classes that were having Statement as parent,
        changed their parent to be AST.

        * SymbolTable.cs: Added Add method that receives the id and the
        declaration class. Retrieve changed to return an AST. Added
        ToString method. Added 'SymbolTable parent' field.

        * VariableDeclaration.cs: Added InitValue property.

        * ast.cs: Added some comments and abstract method 'Resolve'.

        * jscript-lexer-parser.g: Added parsing support for formal
        parameters type annotations.
        
2003-10-30  cesar lopez nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: fixed function call parsing! yeah! (give
        thanks to Hector!) 

2003-10-28  cesar lopez nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: allow empty program files. Added type
        annotations on var decl and function decl.
        * VariableDeclaration.cs: added return type annotation field.
        * FunctionExpression.cs: added return type parameter to constructor.
        * FunctionDeclaration.cs: added return type parameter to
        constructor. Added Emit method (just creates the static field at
        the global object, for now).
        * FunctionObject.cs: added return type to constructor. Changed
        names to readable ones ;-) 

        * ScriptStream.cs: added WriteLine.

2003-10-24  cesar lopez nataren <cesar@ciencias.unam.mx>

        * ast.cs: Added 'virtual' Emit method (I might change it to be
        abstract, but I would have to added to all classes that derive
        from it. I'll do it later)
        * Block.cs: Added Emit method.
        * CodeGnerator.cs: Restructured it (not based on the Visitor pattern
        anymore) - still missing some methods, ut on the way. A nice
        hacking weekend coming. Added EmitContext class.
        * ScriptBlock.cs: Added Emit method.
        * VariableDeclaration.cs: Changed type field from string to
        Type. Added Emit method.
        * VariableStatement.cs: Added Emit method.
        * driver.cs: Added CodeGeneration phase (only simple var
        declarations support it. More coming soon).


2003-10-22  cesar lopez nataren <cesar@ciencias.unam.mx>

        * statement.cs: added Return class.

        * Throw.cs: Added expression field, constructor and ToString.
        
        * jscript-lexer-parser.g: Allow return_stm and throw_stm tree
        building.  
        
        * With.cs: added constructor and ToString. Back to the non-tmp
        namespace.

        * jscript-parser-lexer.g: allow with_stm tree building.

        * jscript-lexer-parser.g: changed the return type from if_stm from
        'If' to AST. Added tree for continue_stm. Allowed building of
        Break tree.

        * statement.cs: switched to internal 'If' class. Added Continue
        class. Added Break class.
        
        * jscript-lexer-parser.g: build tree for function decl or expr.

        * FunctionDeclaration.cs: added internal constructor.

        * FunctionExpression.cs: added internal constructor.

        * FunctionObject.cs: added internal constructor and ToString method.

        * jscript-lexer-parser.g: added building tree for if_stm.
        * Statement.cs: Added if class for 'if' statement.
        

2003-10-21  cesar lopez nataren  <cesar@ciencias.unam.mx>

        * VariableDeclaration.cs: added the initializer to ToString.
        
        * jscript-lexer-parser.g: Allow "christmas trees" (aka expression
        trees) building.
        
        * Block.cs, Equality.cs, Relational.cs: modified ToString 

        * Equality.cs, Relational.cs, StringLiteral.cs,
        VariableDeclaration.cs: Added constructor 

        * VariableStatement.cs, ScriptBlock.cs: changed from hungarian
        name convetion style to mono style.

        * UnaryOp.cs: added operator and operand fields.

        * VariableDeclaration.cs: chenged field name from assignExp to val.

        *  BinaryOp.cs: Made "internal" the attributes, added the two
        operators holders.

        * JScriptLexer.cs, JScriptParser.cs, JScriptParserokenTypes.cs,: updates from grammar changes.
        
        * driver.cs: Dump the string representation of the parsed exps.

        * Literal.cs:  added BooleanLiteral

        * Relational.cs: added constructor, ToString, 

2003-10-10  cesar lopez nataren <cesar@ciencias.unam.mx>

        * README: added some info about hacking the grammar

        * JSparser.cs: Updated the constructor to not receiving params.

        * JScriptLexer.cs, JScriptParser.cs, JScriptParserTokenTypes.cs,
        JScriptParserTokenTypes.txt: update of antlr generated files from
        grammar changes. 

        * jscript-lexer-parser.g: Rewrote the EcmaScript grammar. Now we
        can parse a little bit more useful programs like:

        function factorial (i)
        {
                var k;

                if (i <= 0)
                        return 1;
                else {
                        k = factorial (i - 1);
                        return i * k;
                }
        }

        var x;
        x = factorial (4); 
        print (x);

        As you can see, it's not the classic factorial function
        definition, I still have to make some tricks like storing the
        result from the recursive call and then multiply. But this new
        grammar it's easier to alter than the old one. Also we got support
        for for-in statements, for statements, global expressions, support
        for object accesors or better known as the "dot" operator. Two
        rules are on the eye: left_hand_size_expr and call_expr, in order
        to finish the parsing grammar and fix the bugs.


2003-09-29    <cesar@ciencias.unam.mx>

        * Added: VsaGlobalItem.cs, VsaReferenceItem.cs, VsaCodeItem.cs

        * Added VsaItem.cs, implements IVsaItem.

2003-09-28    <cesar@ciencias.unam.mx>

        * VsaItems.cs: Check that no name is repeated (this was docs fault
        :-)). This is the beauty of testing.

        * Add VsaItems.cs, implements IVsaItems.

2003-09-22    <cesar@ciencias.unam.mx>

        * DocumentContext.cs: changed constructor from internal to public,
        this a kind of hack ;), but we can build mjs.exe with that change.

        * driver.cs, ast.cs, VsaEngine.cs, VariableStatement.cs,
        VariableDeclaration.cs, VBArrayConstructor.cs, StringObject.cs,
        StringLiteral.cs, StringConstructor.cs, Statement.cs,
        ScriptStream.cs, ScriptObject.cs, ScriptFunction.cs,
        ScriptBlock.cs, RegExpObject.cs, RegExpConstructor.cs, Print.cs,
        Package.cs, ObjectConstructor.cs, NumberObject.cs,
        NumberConstructor.cs, MathObject.cs, Literal.cs,
        LenientGlobalObject.cs, JSVariableField.cs, JSToken.cs,
        JSScanner.cs, JSParser.cs, JSObject.cs, JSLocalField.cs,
        JSFunctionAttributeEnum.cs, JSFunctionAttibute.cs, JSField.cs,
        JSBuiltIn.cs, IVsaScriptScope.cs, IRedirectOutput.cs,
        IActivationObject.cs, GlobalScope.cs, GlobalObject.cs,
        FunctionObject.cs, FunctionExpression.cs, FunctionDeclaration.cs,
        FunctionConstructor.cs, FormalParameterList.cs, ErrorObject.cs,
        ErrorConstructor.cs, EnumeratorObject.cs,
        EnumeratorConstructor.cs, Enum.cs, Empty.cs, DocumentContext.cs,
        DateObject.cs, DateConstructor.cs, Context.cs, Closure.cs,
        BooleanObject.cs, BooleanConstructor.cs, Block.cs, BinaryOp.cs,
        BaseVsaEngine.cs, ArrayObject.cs, ArrayConstructor.cs,
        ActiveXObjectConstructor.cs, ActivationObject.cs: 

        indentation comformance to mono style. Returned to
        Microsoft.JScript namespace name. Now we can build
        Microsoft.JScript.dll on Linux/Windows, and build mjs.exe on
        linux/Windows with our Microsoft.JScript.dll. To build mjs.exe:
        $(CSC) /r:Microsoft.JScript.dll  driver.cs. Also changed my mind
        about the namespace stuff, because I want people 
        to contribute NUnit tests for Microsoft.JScript public API.
                
        * jscript-lexer-parser.g: Now we are back to Microsoft.JScript namespace.

2003-09-21    <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: fixed typo and added SEMI_COLON to print_statement.

2003-09-20    <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: We are little bit closer to the spec on
        StringLiteral definition.  

        * jscript-lexer-parser.g: One line patch, the beauty of tests :-)

        * jscript-lexer-parser.g: Build ast for FunctionExpression.

        * JSObject.cs: we don't throw NotImplementedException anymore,
        this let us use FunctionExpression to build the ast.

        * FunctionExpression.cs: Added a FunctionObject as field, a
        default constructor.

        * FunctionObject.cs: Added default constructor.

        * driver.cs: Deleted the Jsc class. We are not generating code
        now. I'm moving to provide something like mcs's EmitContext
        instead of the CodeGenerator class having the Reflection.Emit
        builders and ILGenerator. This driver is just for Lexical and
        Parsing phases testing.

        * driver.cs: Now we are using the Microsoft.JScript public API
        functions to load the lexer and parser.

        * ScriptBlock.cs,Block.cs: Added ToString function.

2003-09-20    <cesar@ciencias.unam.mx>

        * ASTList.cs, ArrayLiteral.cs, BitwiseBinary.cs, Block.cs,
        DebugBreak.cs, Enum.cs, Equality.cs, Eval.cs, ForIn.cs,
        FunctionExpression.cs, Import.cs, In.cs, InstanceOf.cs,
        Literal.cs, NumericBinary.cs, NumericUnary.cs, Package.cs,
        Plus.cs, PostOrPrefixOperator.cs, Print.cs, Relational.cs,
        Statement.cs, StrictEquality.cs, StringLiteral.cs, Throw.cs,
        Try.cs, TypeOf.cs, VariableDeclaration.cs, With.cs, ast.cs, 
        : erased Visit method and made some mono indentation style changes.

        * CodeGenerator.cs: commented some function calls.
        * FunctionDeclaration.cs: moved function attributes to
        FunctionObject class, erased Visit method.
        * FunctionObject.cs: Here is where we store a function
        expression/declaration info, erased Visit method.
        * ScriptBlock.cs: Added a Block field, Block will contain the
        source elements.
        * jscript-lexer-parser.g: updated the grammar to build the program
        representation based on ScriptBlock.

2003-09-19    <cesar@ciencias.unam.mx>

        * JSToken.cs: public API compliance.

2003-09-07 Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Context.cs: Added constructor and Document field.
        * DocumentContext.cs: Added Name field.
        * JSParser.cs: Integration of antlr's generated parser with
        JSParser public API. ScriptBlock is now the principal data structure that
        represents a Jscript .Net program.
        * JSScanner.cs: Integration of antlr's generated lexer with
        JSScanner public API.

2003-07-27  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>
        * Added files StringLiteral.cs, CodeGenerator.cs and Print.cs.

2003-07-27  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Changed the namespace to
        Microsoft.JScript.Tmp.

        * jscript-lexer-parser.g: Fixwd a typo at source_elements rule.

        * jscript-lexer-parser.g: Got the name of a
        global_function_declaration and also its return type if
        available. 

        * jscript-lexer-parser.g: Added syntatic rule for print_statement.
        * jscript-lexer-parser.g: Initial construction of AST for
        enum_statement and package_statement.

        * jscript-lexer-parser.g: Fixed the enum_statement to accept
        empty enum declarations.

        * jscript-lexer-parser.g: Got the type of a
        veriable_declaration.

        * jscript-lexer-parser.g: Initial construction of AST for
        primary_expression (in particular literal).


2003-07-27  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * driver.cs: Modified the driver structure to be compatible
        with our new CodeGenrator and SemanticAnalizer. I
        removed the builders from Reflection.Emit to the
        CodeGenerator. Added an ASTList, SemanticAnalizer and
        CodeGenerator here. Adde methods Run, GenerateCode


2003-07-27  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>
        * Statement.cs: Forgot to include it on last commit.

2003-07-27  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>
        
        * Decided to change temporarly namespace name
        Microsoft.JScript to Microsoft.JScript.Tmp in order to be able
        to run the code generated by our CIL code generator (on  next
        commit will come). The problem is that we don't have the
        runtime support for our compiler, this involve VsaEngine class
        and its "friends", which I have not found a lot of
        doumentation for. If someone knows a docs place for them,
        don't hesitate to send me a email pointing to them.

        * Changed from public to internal Visit function at some
        classes.

        * Package.cs: Added Name and Members fields.
        
        * SemanticAnalizer.cs: Added methods VisitPrint and
        VisitStringLiteral.

        * VariableDeclaration.cs: Added Type field.

        * Visitor.cs: Changed from public to internal. Added
        VisitPrint and VisitStringLiteral methods.

        * VsaEngine.cs: Fixed namespace name from Microsoft.JScript to
        Microsoft.JScript.Vsa and then to Microsoft.JScript.Vsa.Tmp.
        



2003-07-22  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * Added CmdLineError.cs and JSError.cs, last night I forgot to
        commit them.

2003-07-21 Cesar Lopez Nataren <cesar@ciencias.unam.mx>
        * Added files:
        ArrayPrototype.cs, ArrayWrapper.cs, BitwiseBinary.cs, 
        BlockScope.cs, BooleanPrototype.cs, BreakOutOfFinally.cs, 
        CmdLineException.cs, CmdLineOptionParser.cs, 
        ContinueOutOfFinally.cs, Convert.cs, DatePrototype.cs, 
        DocumentContext.cs, EnumeratorPrototype.cs, Equality.cs, 
        ErrorPrototype.cs, EvalErrorObject.cs, Expando.cs, 
        FieldAccessor.cs, FunctionPrototype.cs, FunctionWrapper.cs, 
        Globals.cs, In.cs, InstanceOf.cs, JSConstructor.cs, 
        JScriptException.cs, JSFieldInfo.cs, JSMethodInfo.cs, JSParser.cs, 
        JSPrototypeObject.cs, JSScanner.cs, LateBinding.cs, 
        LenientArrayPrototype.cs, LenientBooleanPrototype.cs, 
        LenientDateConstructor.cs, LenientDatePrototype.cs, 
        LenientEnumeratorPrototype.cs, LenientErrorPrototype.cs, 
        LenientFunctionPrototype.cs, LenientMathObject.cs, 
        LenientNumberPrototype.cs, LenientObjectPrototype.cs, 
        LenientRegExpPrototype.cs, LenientStringConstructor.cs, 
        LenientStringPrototype.cs, LenientVBArrayPrototype.cs, 
        MemberInfoList.cs, MethodInvoker.cs, Missing.cs, Namespace.cs, 
        NotRecommendedAttribute.cs, NumberPrototype.cs, NumericBinary.cs, 
        NumericUnary.cs, ObjectPrototype.cs, Plus.cs, 
        PostOrPrefixOperator.cs, RangeErrorObject.cs, 
        ReferenceAttribute.cs, ReferenceErrorObject.cs, RegExpMatch.cs, 
        RegExpPrototype.cs, Relational.cs, ResInfo.cs, 
        ReturnOutOfFinally.cs, ScriptStream.cs, SimpleHashtable.cs, 
        StackFrame.cs, StrictEquality.cs, StringPrototype.cs, 
        SuperTypeMembersSorter.cs, SyntaxErrorObject.cs, TypedArray.cs, 
        TypeErrorObject.cs, TypeOf.cs, TypeReflector.cs, 
        URIErrorObject.cs, VBArrayObject.cs, VBArrayPrototype.cs, 
        VersionableAttribute.cs 

        Now, I must fill in the blanks :-)


2003-07-09  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>
        * jscript-lexer-parser.g: Added conditional_compilation_directive,
        which is the beginning of our support for conditional compilation
        statements and directives in our parser. Added
        cc_on_statement, and some lexer rules for getting the needed
        tokens (COND_SET, COND_DEBUG, COND_POSITION, COND_POSITION,
        COND_IF, COND_ELIF, COND_ELSE, COND_END and CC_ON.


2003-07-03  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Changed the format of copyright notice.

        This changes will allow the support
        for the grammar added by MS to EcmaScript (aka its JScript .Net),
        I'm still missing some, but they are on the way.

        * jscript-lexer-parser.g: Deleted function_declaration, and
        added global_function_declaration and type_function_declaration.
        I decided  to make the grammar as strict as the MS docs mark,
        but there's a difference between what their docs says and what
        their compiler does. For this case I decided to follow the
        docs. A program like: 
                private function F () 
                {}
        according to the docs, would not be syntaticly correct. But the MS
        compiler, accepts the grammar construct and mark the error at
        semantic analysis phase. I followed the docs this time. 

        * jscript-lexer-parser.g: Added debbuger_statement.
        * jscript-lexer-parser.g: Added import_statement.
        * jscript-lexer-parser.g: Added package_statement and package_member(s).
        * jscript-lexer-parser.g: Added super_statement.
        * jscript-lexer-parser.g: Added const_statement.
        * jscript-lexer-parser.g: Added class_statement,
        interfaces_list and class_members. 

        * jscript-lexer-parser.g: Added interface_statement and
        interface_members.

        * jscript-lexer-parser.g: Added enum_statement.
        * jscript-lexer-parser.g: Added static_statement. The rule for
        this syntatic construc is: static identifier { [body] }
        body does not get well specified in the docs. Must search wich
        are the possible values of it.

        * jscript-lexer-parser.g: At variable_declaration, added
        support for explicit type declaration.

        * jscript-lexer-parser.g: Added numeric_literal,
        DECIMAL_LITERAL and HEX_INTEGER_LITERAL.

        * jscript-lexer-parser.g: Added modifiers, modifier, version_modifier.


2003-06-09  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>


        * Added the Visit method to classes: AST, ArrayLiteral, ASTList,
        Block, DebugBreak, Eval, ForIn, FunctionDeclaration,
        FunctionExpression, Import, Package, ScriptBlock, Throw, Try,
        With, 
        
        That method will be the driver that will allow classes
        that implement the Visitor interface do a walk through the AST's
        elements, in particular the Semantic Analizer and the Code
        Generator. Every class that inherits from AST will have a Visit
        method, that method will receive a Visitor and a object as
        parameters, the only thing that it'll do is letting the Visitor
        call the respective method VisitX, where X is the name of the
        currently visited class.
        
        * ASTList.cs:Added constructor, Add, Visit, ToString  methods.

        * FunctionDeclaration.cs: Added constructor, Visit and ToString
        methods.
        
        * jscript-lexer-parser.g: Added a ASTList as a parameter to the
        program (the main entry of the parser). Also added as parameters: 
                - An AST to source_element.
                - A Statement to statement.
                - A VariableStatement to variable_statement.
                - A VariableStatement to variable_declaration_list.
                - A FormalParamerList by formal_parameter_list.
                - A ASTList by function_body.
        
        And now some rules return objects:
                - A VariableDeclaration by variable_declaration.
                - A Functiondeclaration by function_declaration.

        * driver.cs: Added the construction of the AST of the EcmaScript
        program.

        * Visitor.cs: Added this file. It's the visitor interface. 

        * VariableDeclaration.cs: Added this class, it's the AST
        representation of a variable declaration.

        * Statement.cs: Added this file. It's the logical representation
        of a Statement.

        * VariableStatement.cs: Added this class. It's the AST
        representation of a chain of variable declarations.
        
        * FormalParameterList.cs: The function declaration needs to store
        its parameter, we will put them on this class.

        * SemanticAnalizer.cs: Added this class. I'll use the Visitor pattern in order to
        implement the semantic analysis and code generation
        phases. SemanticAnalizer and CodeGenerator will implement the
        Visitor interface, they will walk a program's
        AST tree and do their respective work.

        * IdentificationTable.cs: Added this class. The SymbolTable will be used
        by the SemanticAnalyzer in order to keep track of the variable
        declaration encountered, etc..

        * SymbolTable.cs: A simple hashtable but for commodity i'll call
        it this way.

        
2003-05-03  Cesar Lopez Nataren  <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g:
        - Deleted the assignment_operator COMPOUND_ASSIGNMENT, and added
        MULTIPLICATION_ASSIGN, DIVISION_ASSIGN, REMAINDER_ASSIGN,
        ADDITION_ASSIGN, SUBSTRACTION_ASSIGN, SIGNED_LEFT_SHIFT_ASSIGN,
        SIGNED_RIGHT_SHIFT_ASSIGN, UNSIGNED_RIGHT_SHIFT_ASSIGN,
        BITWISE_AND_ASSIGN, BITWISE_OR_ASSIGN.
        - Changed INTERROGATION to CONDITIONAL.
        - Changed TRIANGLE to BITWISE_XOR.
        - Changed SLASH to DIVISION.
        - Changed PERCENT to REMAINDER.
        - Changed ADMIRATION to LOGICAL_NOT
        - Added BITWISE_NOT (~).
        - Added the INCREMENT and DECREMENT rules for
        left_hand_side_expression.
        - Increased lexer lookup from 2 to 4.
        - Redefined the definitions of: L_THAN, G_THAN, MINUS, TIMES,
        BITWISE_AND, BITWISE_OR,
        - Added operator: EQUALS, DOES_NOT_EQUALS, STRICT_EQUALS,
        REMAINDER, UNSIGNED_RIGHT_SHIFT.
        - Added the recursion rules for equality_expression.
        - Added the recursion rules for shift_expression.
        - Now we skip tabs.
        - The most important thing, added support for expressions like:
        sdf.[hgh], cool!

2003-04-20      Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * driver.cs: 
        - Erased the Context class, it was used for the first
        test of the print_statement and Reflection.Emit. As I erased the
        Program, SourceElements, SourceElement from the ANTLR grammar (for
        the rework of the AST tied to the MS JScript public API), I erased
        some uses in here.
        - Erased the methods: EmitJScript0Type, EmitJScript0Cons,
        EmitGlobalCode, EmitJScript0, EmitJScriptMainType,
        EmitJScriptMainCons, EmitJScriptMainFunction, EmitJScriptMain,
        Emit.

        * jscript-lexer-parser.g: 
        - Erased the references to the classes Program, SourceElements,
        SourceElement, Statement, FunctionDeclaration and erased
        print_statement rule. 

        * JSCriptLexer.cs JScriptParser.cs and the other files generated
        by antlr, reflect changes from the grammar changes.

2003-04-19      Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>
        * Added stubs for the classes:
        ASTList.cs 
        ActivationObject.cs 
        ActiveXObjectConstructor.cs 
        ArrayConstructor.cs 
        ArrayLiteral.cs 
        ArrayObject.cs 
        AssemblyCustomAttributeList.cs 
        BaseVsaEngine.cs 
        BinaryOp.cs 
        Binding.cs 
        Block.cs 
        BooleanConstructor.cs 
        BooleanObject.cs 
        Closure.cs 
        Context.cs 
        DateConstructor.cs 
        DateObject.cs 
        DebugBreak.cs 
        Empty.cs 
        EnumeratorConstructor.cs 
        EnumeratorObject.cs 
        ErrorConstructor.cs 
        ErrorObject.cs 
        Eval.cs 
        ForIn.cs 
        FunctionConstructor.cs 
        FunctionDeclaration.cs 
        FunctionExpression.cs 
        FunctionObject.cs 
        GlobalObject.cs 
        GlobalScope.cs 
        IActivationObject.cs 
        IRedirectOutput.cs 
        IVsaScriptScope.cs 
        Import.cs 
        JSBuiltIn.cs 
        JSField.cs 
        JSFunctionAttribute.cs 
        JSFunctionAttributeEnum.cs 
        JSLocalField.cs 
        JSObject.cs 
        JSToken.cs 
        JSVariableField.cs 
        LenientGlobalObject.cs 
        MathObject.cs 
        NumberConstructor.cs 
        NumberObject.cs 
        ObjectConstructor.cs 
        Package.cs 
        RegExpConstructor.cs 
        RegExpObject.cs 
        ScriptBlock.cs 
        ScriptFunction.cs 
        ScriptObject.cs 
        StringConstructor.cs 
        StringObject.cs 
        Throw.cs 
        Try.cs 
        UnaryOp.cs 
        VBArrayConstructor.cs 
        VsaEngine.cs 
        With.cs         
        

2003-04-11      Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g:
        - Added rules for: continue_statement, break_statement,
        return_statement, throw statement (all of them do not ensure that
        no LineSeparator appears between the keyword on the left and the
        identifier, expression or semicolon on the right, that must be fixed).
        - Added single line comments rule.

2003-04-08      Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Added syntatic rule for:
        - if_statement.
        - while and for-in subrules of iteration_statement.
        - Added array_literal - got tricky - I just could get the simplest rule going :)
        - Added elision.

        
2003-04-08      Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g:
        - Syntatic rule for iteration_statement.
        - "do" subrule for it.
        - Added ((L_THAN | G_THAN | LE_THAN | GE_THAN | "instanceof" |
        "in") relational_expression | ) rule to relational_expression.
        -Added function_expression syntatic rule.
        - Added STRING_LITERAL to literal rules.
        - "Less/Greater or equal than" lexer rule.

2003-04-03      Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Added switch_statement rule, case_block, case_clauses, case_clause, default_clause, labelled_statement, try_statement, catch_exp, finally_exp.

2003-04-01    Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * jscript-lexer-parser.g: Added the grammar rules for: with_statement, object_literal, ( expression ), property_name_and_value_list, property_name and expression.
        

2003-03-30    Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * Added a README file. Explains the dependencies and build process.

2003-03-30   Cesar Octavio Lopez Nataren <cesar@ciencias.unam.mx>

        * Added this ChangeLog file.
        
        * ast.cs: Added this file. Contains the classes used for building
        the EcmaScript 's AST.

        * JScript*: These are the files generated by antlr (the parser generator). 

        * TODOAttribute.cs: Changed the namespace in order to use it freely on Microsoft.JScript.

        * driver.cs: Added this file. Contains the compiler entry point. And some Reflection.Emit methods,
        that will be moved to other file in the future.

        * jscript-lexer-parser.g: The EcmaScript's antlr grammar.