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120 lines
3.9 KiB
120 lines
3.9 KiB
# Copyright 2019 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# This class contains the basic functionality needed to run any interpreter |
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# or an interpreter-based tool |
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from __future__ import annotations |
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from .visitor import AstVisitor |
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import typing as T |
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if T.TYPE_CHECKING: |
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from .. import mparser |
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class AstIndentationGenerator(AstVisitor): |
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def __init__(self) -> None: |
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self.level = 0 |
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def visit_default_func(self, node: mparser.BaseNode) -> None: |
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# Store the current level in the node |
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node.level = self.level |
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def visit_ArrayNode(self, node: mparser.ArrayNode) -> None: |
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self.visit_default_func(node) |
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self.level += 1 |
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node.args.accept(self) |
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self.level -= 1 |
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def visit_DictNode(self, node: mparser.DictNode) -> None: |
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self.visit_default_func(node) |
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self.level += 1 |
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node.args.accept(self) |
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self.level -= 1 |
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def visit_MethodNode(self, node: mparser.MethodNode) -> None: |
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self.visit_default_func(node) |
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node.source_object.accept(self) |
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self.level += 1 |
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node.args.accept(self) |
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self.level -= 1 |
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def visit_FunctionNode(self, node: mparser.FunctionNode) -> None: |
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self.visit_default_func(node) |
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self.level += 1 |
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node.args.accept(self) |
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self.level -= 1 |
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def visit_ForeachClauseNode(self, node: mparser.ForeachClauseNode) -> None: |
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self.visit_default_func(node) |
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self.level += 1 |
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node.items.accept(self) |
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node.block.accept(self) |
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self.level -= 1 |
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def visit_IfClauseNode(self, node: mparser.IfClauseNode) -> None: |
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self.visit_default_func(node) |
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for i in node.ifs: |
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i.accept(self) |
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if node.elseblock: |
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self.level += 1 |
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node.elseblock.accept(self) |
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self.level -= 1 |
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def visit_IfNode(self, node: mparser.IfNode) -> None: |
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self.visit_default_func(node) |
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self.level += 1 |
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node.condition.accept(self) |
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node.block.accept(self) |
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self.level -= 1 |
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class AstIDGenerator(AstVisitor): |
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def __init__(self) -> None: |
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self.counter = {} # type: T.Dict[str, int] |
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def visit_default_func(self, node: mparser.BaseNode) -> None: |
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name = type(node).__name__ |
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if name not in self.counter: |
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self.counter[name] = 0 |
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node.ast_id = name + '#' + str(self.counter[name]) |
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self.counter[name] += 1 |
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class AstConditionLevel(AstVisitor): |
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def __init__(self) -> None: |
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self.condition_level = 0 |
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def visit_default_func(self, node: mparser.BaseNode) -> None: |
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node.condition_level = self.condition_level |
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def visit_ForeachClauseNode(self, node: mparser.ForeachClauseNode) -> None: |
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self.visit_default_func(node) |
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self.condition_level += 1 |
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node.items.accept(self) |
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node.block.accept(self) |
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self.condition_level -= 1 |
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def visit_IfClauseNode(self, node: mparser.IfClauseNode) -> None: |
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self.visit_default_func(node) |
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for i in node.ifs: |
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i.accept(self) |
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if node.elseblock: |
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self.condition_level += 1 |
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node.elseblock.accept(self) |
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self.condition_level -= 1 |
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def visit_IfNode(self, node: mparser.IfNode) -> None: |
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self.visit_default_func(node) |
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self.condition_level += 1 |
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node.condition.accept(self) |
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node.block.accept(self) |
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self.condition_level -= 1
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