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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include <errno.h> | 5 #include <errno.h> |
6 #include <stdarg.h> | 6 #include <stdarg.h> |
7 | 7 |
8 #include "messaging.h" | 8 #include "messaging.h" |
9 | 9 |
10 void postResult(Dart_Port p, bool success, int err, Dart_CObject* response) { | 10 void postResult(Dart_Port p, bool success, int err, Dart_CObject* response) { |
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49 | 49 |
50 DART_NULL(null_response); | 50 DART_NULL(null_response); |
51 postResult(p, true, 0, &null_response); | 51 postResult(p, true, 0, &null_response); |
52 } | 52 } |
53 | 53 |
54 bool checkError(Dart_Port p, struct archive* a, int result) { | 54 bool checkError(Dart_Port p, struct archive* a, int result) { |
55 if (result == ARCHIVE_OK) return false; | 55 if (result == ARCHIVE_OK) return false; |
56 // TODO(nweiz): What should we do about non-fatal warnings? | 56 // TODO(nweiz): What should we do about non-fatal warnings? |
57 if (result == ARCHIVE_WARN) return false; | 57 if (result == ARCHIVE_WARN) return false; |
58 postError(p, a); | 58 postError(p, a); |
| 59 return true; |
59 } | 60 } |
60 | 61 |
61 bool checkPointerError(Dart_Port p, void* pointer, char* name) { | 62 bool checkPointerError(Dart_Port p, void* pointer, char* name) { |
62 if (pointer != NULL) return false; | 63 if (pointer != NULL) return false; |
63 char buffer[100]; | 64 char buffer[100]; |
64 snprintf(buffer, 100, "Failed to allocate memory for %s.", name); | 65 snprintf(buffer, 100, "Failed to allocate memory for %s.", name); |
65 DART_STRING(error_string, buffer); | 66 DART_STRING(error_string, buffer); |
66 postResult(p, false, ENOMEM, &error_string); | 67 postResult(p, false, ENOMEM, &error_string); |
67 return true; | 68 return true; |
68 } | 69 } |
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113 if (arg->type == kInt32) return arg; | 114 if (arg->type == kInt32) return arg; |
114 postInvalidArgument(p, "Invalid argument %d: expected integer, was type %d.", | 115 postInvalidArgument(p, "Invalid argument %d: expected integer, was type %d.", |
115 i+1, arg->type); | 116 i+1, arg->type); |
116 return NULL; | 117 return NULL; |
117 } | 118 } |
118 | 119 |
119 int64_t getInteger(Dart_CObject* object) { | 120 int64_t getInteger(Dart_CObject* object) { |
120 assert(object->type == kInt64 || object->type == kInt32); | 121 assert(object->type == kInt64 || object->type == kInt32); |
121 if (object->type == kInt64) return object->value.as_int64; | 122 if (object->type == kInt64) return object->value.as_int64; |
122 if (object->type == kInt32) return (int64_t) object->value.as_int32; | 123 if (object->type == kInt32) return (int64_t) object->value.as_int32; |
| 124 return 0; // Should never reach this point. |
123 } | 125 } |
124 | 126 |
125 Dart_CObject* getNullableStringArgument(Dart_Port p, Dart_CObject* request, | 127 Dart_CObject* getNullableStringArgument(Dart_Port p, Dart_CObject* request, |
126 int i) { | 128 int i) { |
127 Dart_CObject* arg = getArgument(p, request, i); | 129 Dart_CObject* arg = getArgument(p, request, i); |
128 if (arg == NULL) return NULL; | 130 if (arg == NULL) return NULL; |
129 if (arg->type == kNull) return arg; | 131 if (arg->type == kNull) return arg; |
130 if (arg->type == kString) return arg; | 132 if (arg->type == kString) return arg; |
131 postInvalidArgument(p, "Invalid argument %d: expected string or null, was " \ | 133 postInvalidArgument(p, "Invalid argument %d: expected string or null, was " \ |
132 "type %d.", i+1, arg->type); | 134 "type %d.", i+1, arg->type); |
133 return NULL; | 135 return NULL; |
134 } | 136 } |
135 | 137 |
136 char* getNullableString(Dart_CObject* object) { | 138 char* getNullableString(Dart_CObject* object) { |
137 assert(object->type == kNull || object->type == kString); | 139 assert(object->type == kNull || object->type == kString); |
138 if (object->type == kString) return object->value.as_string; | 140 if (object->type == kString) return object->value.as_string; |
139 return NULL; | 141 return NULL; |
140 } | 142 } |
| 143 |
| 144 bool getOptionArguments(Dart_Port p, Dart_CObject* request, char** module, |
| 145 char** name, char** value) { |
| 146 *module = *name = *value = NULL; |
| 147 |
| 148 Dart_CObject* wrappedModule = getNullableStringArgument(p, request, 0); |
| 149 if (wrappedModule == NULL) return false; |
| 150 *module = getNullableString(wrappedModule); |
| 151 |
| 152 Dart_CObject* wrappedName = getTypedArgument(p, request, 0, kString); |
| 153 if (wrappedName == NULL) return false; |
| 154 *name = wrappedName->value.as_string; |
| 155 |
| 156 Dart_CObject* wrappedValue = getNullableStringArgument(p, request, 0); |
| 157 if (wrappedValue == NULL) return false; |
| 158 *value = getNullableString(wrappedValue); |
| 159 |
| 160 return true; |
| 161 } |
| 162 |
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