The Meson Build System
http://mesonbuild.com/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.8 KiB
117 lines
3.8 KiB
# Copyright 2019 The Meson development team |
|
|
|
# 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. |
|
|
|
# This class contains the basic functionality needed to run any interpreter |
|
# or an interpreter-based tool |
|
|
|
from . import AstVisitor |
|
from .. import mparser |
|
import typing as T |
|
|
|
class AstIndentationGenerator(AstVisitor): |
|
def __init__(self) -> None: |
|
self.level = 0 |
|
|
|
def visit_default_func(self, node: mparser.BaseNode) -> None: |
|
# Store the current level in the node |
|
node.level = self.level |
|
|
|
def visit_ArrayNode(self, node: mparser.ArrayNode) -> None: |
|
self.visit_default_func(node) |
|
self.level += 1 |
|
node.args.accept(self) |
|
self.level -= 1 |
|
|
|
def visit_DictNode(self, node: mparser.DictNode) -> None: |
|
self.visit_default_func(node) |
|
self.level += 1 |
|
node.args.accept(self) |
|
self.level -= 1 |
|
|
|
def visit_MethodNode(self, node: mparser.MethodNode) -> None: |
|
self.visit_default_func(node) |
|
node.source_object.accept(self) |
|
self.level += 1 |
|
node.args.accept(self) |
|
self.level -= 1 |
|
|
|
def visit_FunctionNode(self, node: mparser.FunctionNode) -> None: |
|
self.visit_default_func(node) |
|
self.level += 1 |
|
node.args.accept(self) |
|
self.level -= 1 |
|
|
|
def visit_ForeachClauseNode(self, node: mparser.ForeachClauseNode) -> None: |
|
self.visit_default_func(node) |
|
self.level += 1 |
|
node.items.accept(self) |
|
node.block.accept(self) |
|
self.level -= 1 |
|
|
|
def visit_IfClauseNode(self, node: mparser.IfClauseNode) -> None: |
|
self.visit_default_func(node) |
|
for i in node.ifs: |
|
i.accept(self) |
|
if node.elseblock: |
|
self.level += 1 |
|
node.elseblock.accept(self) |
|
self.level -= 1 |
|
|
|
def visit_IfNode(self, node: mparser.IfNode) -> None: |
|
self.visit_default_func(node) |
|
self.level += 1 |
|
node.condition.accept(self) |
|
node.block.accept(self) |
|
self.level -= 1 |
|
|
|
class AstIDGenerator(AstVisitor): |
|
def __init__(self) -> None: |
|
self.counter = {} # type: T.Dict[str, int] |
|
|
|
def visit_default_func(self, node: mparser.BaseNode) -> None: |
|
name = type(node).__name__ |
|
if name not in self.counter: |
|
self.counter[name] = 0 |
|
node.ast_id = name + '#' + str(self.counter[name]) |
|
self.counter[name] += 1 |
|
|
|
class AstConditionLevel(AstVisitor): |
|
def __init__(self) -> None: |
|
self.condition_level = 0 |
|
|
|
def visit_default_func(self, node: mparser.BaseNode) -> None: |
|
node.condition_level = self.condition_level |
|
|
|
def visit_ForeachClauseNode(self, node: mparser.ForeachClauseNode) -> None: |
|
self.visit_default_func(node) |
|
self.condition_level += 1 |
|
node.items.accept(self) |
|
node.block.accept(self) |
|
self.condition_level -= 1 |
|
|
|
def visit_IfClauseNode(self, node: mparser.IfClauseNode) -> None: |
|
self.visit_default_func(node) |
|
for i in node.ifs: |
|
i.accept(self) |
|
if node.elseblock: |
|
self.condition_level += 1 |
|
node.elseblock.accept(self) |
|
self.condition_level -= 1 |
|
|
|
def visit_IfNode(self, node: mparser.IfNode) -> None: |
|
self.visit_default_func(node) |
|
self.condition_level += 1 |
|
node.condition.accept(self) |
|
node.block.accept(self) |
|
self.condition_level -= 1
|
|
|