Index: tools/nixysa/nixysa/globals_binding.py |
=================================================================== |
--- tools/nixysa/nixysa/globals_binding.py (revision 0) |
+++ tools/nixysa/nixysa/globals_binding.py (revision 0) |
@@ -0,0 +1,456 @@ |
+#!/usr/bin/python2.4 |
+# |
+# Copyright 2008 Google Inc. |
+# |
+# Licensed under the Apache License, Version 2.0 (the "License"); |
+# you may not use this file except in compliance with the License. |
+# You may obtain a copy of the License at |
+# |
+# http://www.apache.org/licenses/LICENSE-2.0 |
+# |
+# Unless required by applicable law or agreed to in writing, software |
+# distributed under the License is distributed on an "AS IS" BASIS, |
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+# See the License for the specific language governing permissions and |
+# limitations under the License. |
+ |
+"""globals binding model module. |
+ |
+This module implement the glue funcitions for the globals binding model. This |
+is not really a binding model per-say, but a facility to expose global |
+functions and variables. This binding model isn't used on any type, but only |
+implicitly on namespaces. |
+""" |
+ |
+import sys |
+import cpp_utils |
+ |
+class InvalidUsage(Exception): |
+ """Raised when the namespace is used as a type.""" |
+ pass |
+ |
+ |
+def JavaMemberString(scope, type_defn): |
+ """Gets the representation of a member name in Java. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a string representing the type |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppTypedefString(scope, type_defn): |
+ """Gets the representation of a type when used in a C++ typedef. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a (string, boolean) pair, the first element being the representation of |
+ the type, the second element indicating whether or not the definition of |
+ the type is needed for the expression to be valid. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppMemberString(scope, type_defn): |
+ """Gets the representation of a type when used as a C++ class member. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a (string, boolean) pair, the first element being the representation of |
+ the type, the second element indicating whether or not the definition of |
+ the type is needed for the expression to be valid. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppReturnValueString(scope, type_defn): |
+ """Gets the representation of a type when used as a C++ function return value. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a (string, boolean) pair, the first element being the representation of |
+ the type, the second element indicating whether or not the definition of |
+ the type is needed for the expression to be valid. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppParameterString(scope, type_defn): |
+ """Gets the representation of a type when used for a function parameter. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a (string, boolean) pair, the first element being the representation of |
+ the type, the second element indicating whether or not the definition of |
+ the type is needed for the expression to be valid. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppMutableParameterString(scope, type_defn): |
+ """Gets the representation of a type for a mutable function parameter. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a (string, boolean) pair, the first element being the string representing |
+ the type, the second element indicating whether or not the definition of |
+ the type is needed for the expression to be valid. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppMutableToNonMutable(scope, type_defn, expr): |
+ """Gets the string converting a mutable expression to a non-mutable one. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ expr: a string for the mutable expression. |
+ |
+ Returns: |
+ a string, which is the non-mutable expression. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppBaseClassString(scope, type_defn): |
+ """Gets the representation of a type for a base class. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a (string, boolean) pair, the first element being the string representing |
+ the type, the second element indicating whether or not the definition of |
+ the type is needed for the expression to be valid. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppCallMethod(scope, type_defn, object_expr, mutable, method, param_exprs): |
+ """Gets the representation of a member function call. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition, representing the type of the object being called. |
+ object_expr: a string, which is the expression for the object being called. |
+ mutable: a boolean, whether or not the 'object_expr' expression is mutable |
+ or not |
+ method: a Function, representing the function to call. |
+ param_exprs: a list of strings, each being the expression for the value of |
+ each parameter. |
+ |
+ Returns: |
+ a string, which is the expression for the function call. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppCallStaticMethod(scope, namespace, method, param_exprs): |
+ """Gets the representation of a static function call. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ namespace: a Definition, representing the namespace containing the function |
+ being called. |
+ method: a Function, representing the function to call. |
+ param_exprs: a list of strings, each being the expression for the value of |
+ each parameter. |
+ |
+ Returns: |
+ a string, which is the expression for the function call. |
+ """ |
+ namespace = namespace # silence gpylint. |
+ return '%s(%s)' % (cpp_utils.GetScopedName(scope, method), |
+ ', '.join(param_exprs)) |
+ |
+ |
+def CppCallConstructor(scope, type_defn, method, param_exprs): |
+ """Gets the representation of a constructor call. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition, representing the type of the object being called. |
+ method: a Function, representing the constructor to call. |
+ param_exprs: a list of strings, each being the expression for the value of |
+ each parameter. |
+ |
+ Returns: |
+ a string, which is the expression for the constructor call. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppSetField(scope, type_defn, object_expr, field, param_expr): |
+ """Gets the representation of an expression setting a field in an object. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition, representing the type of the object containing the |
+ field being set. |
+ object_expr: a string, which is the expression for the object containing |
+ the field being set. |
+ field: a string, the name of the field to be set. |
+ param_expr: a strings, being the expression for the value to be set. |
+ |
+ Returns: |
+ a string, which is the expression for setting the field. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppGetField(scope, type_defn, object_expr, field): |
+ """Gets the representation of an expression getting a field in an object. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ type_defn: a Definition, representing the type of the object containing the |
+ field being retrieved. |
+ object_expr: a string, which is the expression for the object containing |
+ the field being retrieved. |
+ field: a string, the name of the field to be retrieved. |
+ |
+ Returns: |
+ a string, which is the expression for getting the field. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def CppSetStatic(scope, namespace, field, param_expr): |
+ """Gets the representation of an expression setting a static field. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ namespace: a Definition, representing the namespace containing the field |
+ being set. |
+ field: a string, the name of the field to be set. |
+ param_expr: a strings, being the expression for the value to be set. |
+ |
+ Returns: |
+ a string, which is the expression for setting the field. |
+ """ |
+ namespace = namespace # silence gpylint. |
+ return '%s = %s' % (cpp_utils.GetScopedName(scope, field), param_expr) |
+ |
+ |
+def CppGetStatic(scope, namespace, field): |
+ """Gets the representation of an expression getting a static field. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the expression will be written. |
+ namespace: a Definition, representing the namespace containing the field |
+ being retrieved. |
+ field: a string, the name of the field to be retrieved. |
+ |
+ Returns: |
+ a string, which is the expression for getting the field. |
+ """ |
+ namespace = namespace # silence gpylint. |
+ return cpp_utils.GetScopedName(scope, field) |
+ |
+ |
+def JSDocTypeString(type_defn): |
+ """Gets the representation of a type in JSDoc notation. |
+ |
+ Args: |
+ type_defn: a Definition for the type. |
+ |
+ Returns: |
+ a string that is the JSDoc notation of type_defn. |
+ """ |
+ type_defn = type_defn.GetFinalType() |
+ type_stack = type_defn.GetParentScopeStack() |
+ name = type_defn.name |
+ name = '.'.join([s.name for s in type_stack[1:]] + [name]) |
+ print >> sys.stderr, ( |
+ 'WARINING: %s : Global Binding not yet supported for JSDocs for type: %s' |
+ % (type_defn.source, name)) |
+ return name |
+ |
+ |
+def NpapiBindingGlueHeader(scope, type_defn): |
+ """Gets the NPAPI glue header for a given type. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the glue will be written. |
+ type_defn: a Definition, representing the type. |
+ |
+ Returns: |
+ a string, the glue header. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def NpapiBindingGlueCpp(scope, type_defn): |
+ """Gets the NPAPI glue implementation for a given type. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the glue will be written. |
+ type_defn: a Definition, representing the type. |
+ |
+ Returns: |
+ a string, the glue implementation. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def NpapiDispatchFunctionHeader(scope, type_defn, variable, npp, success): |
+ """Gets a header for NPAPI glue dispatch functions. |
+ |
+ This function creates a string containing a C++ code snippet that should be |
+ included at the beginning of NPAPI glue dispatch functions like Invoke or |
+ GetProperty. This code snippet will declare and initialize certain variables |
+ that will be used in the dispatch functions, like the NPObject representing |
+ the object, or a pointer to the NPP instance. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the glue will be written. |
+ type_defn: a Definition, representing the type. |
+ variable: a string, representing a name of a variable that can be used to |
+ store a reference to the object. |
+ npp: a string, representing the name of the variable that holds the pointer |
+ to the NPP instance. Will be declared by the code snippet. |
+ success: the name of a bool variable containing the current success status. |
+ (is not declared by the code snippet). |
+ |
+ Returns: |
+ a (string, string) pair, the first string being the code snippet, and the |
+ second string being an expression to access the object. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def NpapiFromNPVariant(scope, type_defn, input_expr, variable, success, |
+ exception_context, npp): |
+ """Gets the string to get a value from a NPVariant. |
+ |
+ This function creates a string containing a C++ code snippet that is used to |
+ retrieve a value from a NPVariant. If an error occurs, like if the NPVariant |
+ is not of the correct type, the snippet will set the success status variable |
+ to false. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the glue will be written. |
+ type_defn: a Definition, representing the type of the value. |
+ input_expr: an expression representing the NPVariant to get the value from. |
+ variable: a string, representing a name of a variable that can be used to |
+ store a reference to the value. |
+ success: the name of a bool variable containing the current success status. |
+ exception_context: the name of a string containing context information, for |
+ use in exception reporting. |
+ npp: a string, representing the name of the variable that holds the pointer |
+ to the NPP instance. |
+ |
+ Returns: |
+ a (string, string) pair, the first string being the code snippet and the |
+ second one being the expression to access that value. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def NpapiExprToNPVariant(scope, type_defn, variable, expression, output, |
+ success, npp): |
+ """Gets the string to store a value into a NPVariant. |
+ |
+ This function creates a string containing a C++ code snippet that is used to |
+ store a value into a NPVariant. That operation takes two phases, one that |
+ allocates necessary NPAPI resources, and that can fail, and one that actually |
+ sets the NPVariant (that can't fail). If an error occurs, the snippet will |
+ set the success status variable to false. |
+ |
+ Args: |
+ scope: a Definition for the scope in which the glue will be written. |
+ type_defn: a Definition, representing the type of the value. |
+ variable: a string, representing a name of a variable that can be used to |
+ store a reference to the value. |
+ expression: a string representing the expression that yields the value to |
+ be stored. |
+ output: an expression representing a pointer to the NPVariant to store the |
+ value into. |
+ success: the name of a bool variable containing the current success status. |
+ npp: a string, representing the name of the variable that holds the pointer |
+ to the NPP instance. |
+ |
+ Returns: |
+ a (string, string) pair, the first string being the code snippet for the |
+ first phase, and the second one being the code snippet for the second phase. |
+ |
+ Raises: |
+ InvalidUsage: always. This function should not be called for a namespace. |
+ """ |
+ raise InvalidUsage |
+ |
+ |
+def main(): |
+ pass |
+ |
+if __name__ == '__main__': |
+ main() |
Property changes on: tools/nixysa/nixysa/globals_binding.py |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |