1# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
2# Copyright (c) 2009 The Hewlett-Packard Development Company
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28from slicc.ast.ExprAST import ExprAST
29
30class MethodCallExprAST(ExprAST):
31 def __init__(self, slicc, proc_name, expr_ast_vec):
32 super(MethodCallExprAST, self).__init__(slicc)
33 self.proc_name = proc_name
34 self.expr_ast_vec = expr_ast_vec
35
36 def generate(self, code):
37 tmp = self.slicc.codeFormatter()
38 paramTypes = []
39 for expr_ast in self.expr_ast_vec:
40 return_type = expr_ast.generate(tmp)
41 paramTypes.append(return_type)
42
43 obj_type, methodId, prefix = self.generate_prefix(paramTypes)
44
45 # generate code
46 params = []
47 for expr_ast in self.expr_ast_vec:
48 return_type,tcode = expr_ast.inline(True)
49 params.append(str(tcode))
50 fix = code.nofix()
51 code("$prefix${{self.proc_name}}(${{', '.join(params)}}))")
52 code.fix(fix)
53
54 # Verify that this is a method of the object
55 if methodId not in obj_type.methods:
56 self.error("Invalid method call: Type '%s' does not have a method '%s'",
57 obj_type, methodId)
58
59 if len(self.expr_ast_vec) != \
60 len(obj_type.methods[methodId].param_types):
61 # Right number of parameters
62 self.error("Wrong number of parameters for function name: '%s', " + \
63 "expected: , actual: ", proc_name,
64 len(obj_type.methods[methodId].param_types),
65 len(self.expr_ast_vec))
66
67 for actual_type, expected_type in \
68 zip(paramTypes, obj_type.methods[methodId].param_types):
69 if actual_type != expected_type and \
70 str(actual_type["interface"]) != str(expected_type):
71 self.error("Type mismatch: expected: %s actual: %s",
72 expected_type, actual_type)
73
74 # Return the return type of the method
75 return obj_type.methods[methodId].return_type
76
77 def findResources(self, resources):
78 pass
79
80class MemberMethodCallExprAST(MethodCallExprAST):
81 def __init__(self, slicc, obj_expr_ast, proc_name, expr_ast_vec):
82 s = super(MemberMethodCallExprAST, self)
83 s.__init__(slicc, proc_name, expr_ast_vec)
84
85 self.obj_expr_ast = obj_expr_ast
86
87 def __repr__(self):
88 return "[MethodCallExpr: %r%r %r]" % (self.proc_name,
89 self.obj_expr_ast,
90 self.expr_ast_vec)
91 def generate_prefix(self, paramTypes):
92 code = self.slicc.codeFormatter()
93
94 # member method call
95 obj_type = self.obj_expr_ast.generate(code)
96 methodId = obj_type.methodId(self.proc_name, paramTypes)
97
98 prefix = ""
99 implements_interface = False
100
101 if methodId in obj_type.methods:
102 return_type = obj_type.methods[methodId].return_type
103
104 else:
105 #
106 # Check whether the method is implemented by the super class
107 if "interface" in obj_type:
108 interface_type = self.symtab.find(obj_type["interface"]);
109
110 if methodId in interface_type.methods:
111 return_type = interface_type.methods[methodId].return_type
112 obj_type = interface_type
113
114 else:
115 self.error("Invalid method call: " \
116 "Type '%s' does not have a method %s, '%s'",
117 obj_type, self.proc_name, methodId)
118
119 else:
120 #
121 # The initial method check has failed, but before generating an
122 # error we must check whether any of the paramTypes implement
123 # an interface. If so, we must check if the method ids using
124 # the inherited types exist.
125 #
126 # This code is a temporary fix and only checks for the methodId
127 # where all paramTypes are converted to their inherited type. The
128 # right way to do this is to replace slicc's simple string
129 # comparison for determining the correct overloaded method, with a
130 # more robust param by param check.
131 #
132 implemented_paramTypes = []
133 for paramType in paramTypes:
134 implemented_paramType = paramType
135 if paramType.isInterface:
136 implements_interface = True
137 implemented_paramType.abstract_ident = paramType["interface"]
138 else:
139 implemented_paramType.abstract_ident = paramType.c_ident
140
141 implemented_paramTypes.append(implemented_paramType)
142
143 if implements_interface:
144 implementedMethodId = obj_type.methodIdAbstract(self.proc_name,
145 implemented_paramTypes)
146 else:
147 implementedMethodId = ""
148
149 if implementedMethodId not in obj_type.methods:
150 self.error("Invalid method call: " \
151 "Type '%s' does not have a method %s, '%s' nor '%s'",
152 obj_type, self.proc_name, methodId, implementedMethodId)
153 else:
154 #
155 # Replace the methodId with the implementedMethodId found in
156 # the method list.
157 #
158 methodId = implementedMethodId
159 return_type = obj_type.methods[methodId].return_type
160
161 if return_type.isInterface:
162 prefix = "static_cast<%s &>" % return_type.c_ident
163
164 if str(obj_type) == "AbstractCacheEntry" or \
| 1# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
2# Copyright (c) 2009 The Hewlett-Packard Development Company
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28from slicc.ast.ExprAST import ExprAST
29
30class MethodCallExprAST(ExprAST):
31 def __init__(self, slicc, proc_name, expr_ast_vec):
32 super(MethodCallExprAST, self).__init__(slicc)
33 self.proc_name = proc_name
34 self.expr_ast_vec = expr_ast_vec
35
36 def generate(self, code):
37 tmp = self.slicc.codeFormatter()
38 paramTypes = []
39 for expr_ast in self.expr_ast_vec:
40 return_type = expr_ast.generate(tmp)
41 paramTypes.append(return_type)
42
43 obj_type, methodId, prefix = self.generate_prefix(paramTypes)
44
45 # generate code
46 params = []
47 for expr_ast in self.expr_ast_vec:
48 return_type,tcode = expr_ast.inline(True)
49 params.append(str(tcode))
50 fix = code.nofix()
51 code("$prefix${{self.proc_name}}(${{', '.join(params)}}))")
52 code.fix(fix)
53
54 # Verify that this is a method of the object
55 if methodId not in obj_type.methods:
56 self.error("Invalid method call: Type '%s' does not have a method '%s'",
57 obj_type, methodId)
58
59 if len(self.expr_ast_vec) != \
60 len(obj_type.methods[methodId].param_types):
61 # Right number of parameters
62 self.error("Wrong number of parameters for function name: '%s', " + \
63 "expected: , actual: ", proc_name,
64 len(obj_type.methods[methodId].param_types),
65 len(self.expr_ast_vec))
66
67 for actual_type, expected_type in \
68 zip(paramTypes, obj_type.methods[methodId].param_types):
69 if actual_type != expected_type and \
70 str(actual_type["interface"]) != str(expected_type):
71 self.error("Type mismatch: expected: %s actual: %s",
72 expected_type, actual_type)
73
74 # Return the return type of the method
75 return obj_type.methods[methodId].return_type
76
77 def findResources(self, resources):
78 pass
79
80class MemberMethodCallExprAST(MethodCallExprAST):
81 def __init__(self, slicc, obj_expr_ast, proc_name, expr_ast_vec):
82 s = super(MemberMethodCallExprAST, self)
83 s.__init__(slicc, proc_name, expr_ast_vec)
84
85 self.obj_expr_ast = obj_expr_ast
86
87 def __repr__(self):
88 return "[MethodCallExpr: %r%r %r]" % (self.proc_name,
89 self.obj_expr_ast,
90 self.expr_ast_vec)
91 def generate_prefix(self, paramTypes):
92 code = self.slicc.codeFormatter()
93
94 # member method call
95 obj_type = self.obj_expr_ast.generate(code)
96 methodId = obj_type.methodId(self.proc_name, paramTypes)
97
98 prefix = ""
99 implements_interface = False
100
101 if methodId in obj_type.methods:
102 return_type = obj_type.methods[methodId].return_type
103
104 else:
105 #
106 # Check whether the method is implemented by the super class
107 if "interface" in obj_type:
108 interface_type = self.symtab.find(obj_type["interface"]);
109
110 if methodId in interface_type.methods:
111 return_type = interface_type.methods[methodId].return_type
112 obj_type = interface_type
113
114 else:
115 self.error("Invalid method call: " \
116 "Type '%s' does not have a method %s, '%s'",
117 obj_type, self.proc_name, methodId)
118
119 else:
120 #
121 # The initial method check has failed, but before generating an
122 # error we must check whether any of the paramTypes implement
123 # an interface. If so, we must check if the method ids using
124 # the inherited types exist.
125 #
126 # This code is a temporary fix and only checks for the methodId
127 # where all paramTypes are converted to their inherited type. The
128 # right way to do this is to replace slicc's simple string
129 # comparison for determining the correct overloaded method, with a
130 # more robust param by param check.
131 #
132 implemented_paramTypes = []
133 for paramType in paramTypes:
134 implemented_paramType = paramType
135 if paramType.isInterface:
136 implements_interface = True
137 implemented_paramType.abstract_ident = paramType["interface"]
138 else:
139 implemented_paramType.abstract_ident = paramType.c_ident
140
141 implemented_paramTypes.append(implemented_paramType)
142
143 if implements_interface:
144 implementedMethodId = obj_type.methodIdAbstract(self.proc_name,
145 implemented_paramTypes)
146 else:
147 implementedMethodId = ""
148
149 if implementedMethodId not in obj_type.methods:
150 self.error("Invalid method call: " \
151 "Type '%s' does not have a method %s, '%s' nor '%s'",
152 obj_type, self.proc_name, methodId, implementedMethodId)
153 else:
154 #
155 # Replace the methodId with the implementedMethodId found in
156 # the method list.
157 #
158 methodId = implementedMethodId
159 return_type = obj_type.methods[methodId].return_type
160
161 if return_type.isInterface:
162 prefix = "static_cast<%s &>" % return_type.c_ident
163
164 if str(obj_type) == "AbstractCacheEntry" or \
|
167 prefix = "%s((*(%s))." % (prefix, code)
168 else:
169 prefix = "%s((%s)." % (prefix, code)
170
171 return obj_type, methodId, prefix
172
173
174class ClassMethodCallExprAST(MethodCallExprAST):
175 def __init__(self, slicc, type_ast, proc_name, expr_ast_vec):
176 s = super(ClassMethodCallExprAST, self)
177 s.__init__(slicc, proc_name, expr_ast_vec)
178
179 self.type_ast = type_ast
180
181 def __repr__(self):
182 return "[MethodCallExpr: %r %r]" % (self.proc_name, self.expr_ast_vec)
183
184 def generate_prefix(self, paramTypes):
185
186 # class method call
187 prefix = "(%s::" % self.type_ast
188 obj_type = self.type_ast.type
189 methodId = obj_type.methodId(self.proc_name, paramTypes)
190
191 return obj_type, methodId, prefix
192
193__all__ = [ "MemberMethodCallExprAST", "ClassMethodCallExprAST" ]
| 169 prefix = "%s((*(%s))." % (prefix, code)
170 else:
171 prefix = "%s((%s)." % (prefix, code)
172
173 return obj_type, methodId, prefix
174
175
176class ClassMethodCallExprAST(MethodCallExprAST):
177 def __init__(self, slicc, type_ast, proc_name, expr_ast_vec):
178 s = super(ClassMethodCallExprAST, self)
179 s.__init__(slicc, proc_name, expr_ast_vec)
180
181 self.type_ast = type_ast
182
183 def __repr__(self):
184 return "[MethodCallExpr: %r %r]" % (self.proc_name, self.expr_ast_vec)
185
186 def generate_prefix(self, paramTypes):
187
188 # class method call
189 prefix = "(%s::" % self.type_ast
190 obj_type = self.type_ast.type
191 methodId = obj_type.methodId(self.proc_name, paramTypes)
192
193 return obj_type, methodId, prefix
194
195__all__ = [ "MemberMethodCallExprAST", "ClassMethodCallExprAST" ]
|