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-rw-r--r--utils/ipc/mojo/public/tools/mojom/mojom/generate/constant_resolver.py93
1 files changed, 0 insertions, 93 deletions
diff --git a/utils/ipc/mojo/public/tools/mojom/mojom/generate/constant_resolver.py b/utils/ipc/mojo/public/tools/mojom/mojom/generate/constant_resolver.py
deleted file mode 100644
index 0dfd996e..00000000
--- a/utils/ipc/mojo/public/tools/mojom/mojom/generate/constant_resolver.py
+++ /dev/null
@@ -1,93 +0,0 @@
-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-"""Resolves the values used for constants and enums."""
-
-from itertools import ifilter
-
-from mojom.generate import module as mojom
-
-
-def ResolveConstants(module, expression_to_text):
- in_progress = set()
- computed = set()
-
- def GetResolvedValue(named_value):
- assert isinstance(named_value, (mojom.EnumValue, mojom.ConstantValue))
- if isinstance(named_value, mojom.EnumValue):
- field = next(
- ifilter(lambda field: field.name == named_value.name,
- named_value.enum.fields), None)
- if not field:
- raise RuntimeError(
- 'Unable to get computed value for field %s of enum %s' %
- (named_value.name, named_value.enum.name))
- if field not in computed:
- ResolveEnum(named_value.enum)
- return field.resolved_value
- else:
- ResolveConstant(named_value.constant)
- named_value.resolved_value = named_value.constant.resolved_value
- return named_value.resolved_value
-
- def ResolveConstant(constant):
- if constant in computed:
- return
- if constant in in_progress:
- raise RuntimeError('Circular dependency for constant: %s' % constant.name)
- in_progress.add(constant)
- if isinstance(constant.value, (mojom.EnumValue, mojom.ConstantValue)):
- resolved_value = GetResolvedValue(constant.value)
- else:
- resolved_value = expression_to_text(constant.value)
- constant.resolved_value = resolved_value
- in_progress.remove(constant)
- computed.add(constant)
-
- def ResolveEnum(enum):
- def ResolveEnumField(enum, field, default_value):
- if field in computed:
- return
- if field in in_progress:
- raise RuntimeError('Circular dependency for enum: %s' % enum.name)
- in_progress.add(field)
- if field.value:
- if isinstance(field.value, mojom.EnumValue):
- resolved_value = GetResolvedValue(field.value)
- elif isinstance(field.value, str):
- resolved_value = int(field.value, 0)
- else:
- raise RuntimeError('Unexpected value: %s' % field.value)
- else:
- resolved_value = default_value
- field.resolved_value = resolved_value
- in_progress.remove(field)
- computed.add(field)
-
- current_value = 0
- for field in enum.fields:
- ResolveEnumField(enum, field, current_value)
- current_value = field.resolved_value + 1
-
- for constant in module.constants:
- ResolveConstant(constant)
-
- for enum in module.enums:
- ResolveEnum(enum)
-
- for struct in module.structs:
- for constant in struct.constants:
- ResolveConstant(constant)
- for enum in struct.enums:
- ResolveEnum(enum)
- for field in struct.fields:
- if isinstance(field.default, (mojom.ConstantValue, mojom.EnumValue)):
- field.default.resolved_value = GetResolvedValue(field.default)
-
- for interface in module.interfaces:
- for constant in interface.constants:
- ResolveConstant(constant)
- for enum in interface.enums:
- ResolveEnum(enum)
-
- return module