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executable file
·3040 lines (2516 loc) · 109 KB
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.
//
// Copyright (c) Jeff Hardy 2010.
// Copyright (c) Dan Eloff 2008-2009.
//
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Numerics;
using System.Runtime.InteropServices;
using IronPython.Compiler;
using IronPython.Compiler.Ast;
using IronPython.Runtime;
using IronPython.Runtime.Operations;
using IronPython.Runtime.Types;
using Microsoft.Scripting;
using Microsoft.Scripting.Runtime;
using Microsoft.Scripting.Utils;
using AstExpression = IronPython.Compiler.Ast.Expression;
using Generic = System.Collections.Generic;
[assembly: PythonModule("_ast", typeof(IronPython.Modules._ast))]
namespace IronPython.Modules {
public static class _ast {
public const string __version__ = "62047";
public const int PyCF_ONLY_AST = 0x400;
private class ThrowingErrorSink : ErrorSink {
public static new readonly ThrowingErrorSink/*!*/ Default = new ThrowingErrorSink();
private ThrowingErrorSink() {
}
public override void Add(SourceUnit sourceUnit, string message, SourceSpan span, int errorCode, Severity severity) {
if (severity == Severity.Warning) {
PythonOps.SyntaxWarning(message, sourceUnit, span, errorCode);
} else {
throw PythonOps.SyntaxError(message, sourceUnit, span, errorCode);
}
}
}
internal static PythonAst ConvertToPythonAst(CodeContext codeContext, AST source, string filename) {
Statement stmt;
PythonCompilerOptions options = new PythonCompilerOptions(ModuleOptions.ExecOrEvalCode);
SourceUnit unit = new SourceUnit(codeContext.LanguageContext, NullTextContentProvider.Null, filename, SourceCodeKind.AutoDetect);
CompilerContext compilerContext = new CompilerContext(unit, options, ErrorSink.Default);
bool printExpression = false;
if (source is Expression) {
Expression exp = (Expression)source;
stmt = new ReturnStatement(expr.Revert(exp.body));
} else if (source is Module) {
Module module = (Module)source;
stmt = _ast.stmt.RevertStmts(module.body);
} else if (source is Interactive) {
Interactive interactive = (Interactive)source;
stmt = _ast.stmt.RevertStmts(interactive.body);
printExpression = true;
} else
throw PythonOps.TypeError("unsupported type of AST: {0}", (source.GetType()));
return new PythonAst(stmt, false, ModuleOptions.ExecOrEvalCode, printExpression, compilerContext, Array.Empty<int>());
}
internal static AST BuildAst(CodeContext context, SourceUnit sourceUnit, PythonCompilerOptions opts, string mode) {
using (Parser parser = Parser.CreateParser(
new CompilerContext(sourceUnit, opts, ThrowingErrorSink.Default),
(PythonOptions)context.LanguageContext.Options)) {
PythonAst ast = parser.ParseFile(true);
return ConvertToAST(ast, mode);
}
}
private static mod ConvertToAST(PythonAst pythonAst, string kind) {
ContractUtils.RequiresNotNull(pythonAst, nameof(pythonAst));
ContractUtils.RequiresNotNull(kind, nameof(kind));
return ConvertToAST((SuiteStatement)pythonAst.Body, kind);
}
private static mod ConvertToAST(SuiteStatement suite, string kind) {
ContractUtils.RequiresNotNull(suite, nameof(suite));
ContractUtils.RequiresNotNull(kind, nameof(kind));
switch (kind) {
case "exec":
return new Module(suite);
case "eval":
return new Expression(suite);
case "single":
return new Interactive(suite);
default:
throw new ArgumentException("kind must be 'exec' or 'eval' or 'single'");
}
}
[PythonType]
public abstract class AST {
protected int? _lineno; // both lineno and col_offset are expected to be int, in cpython anything is accepted
protected int? _col_offset;
public PythonTuple _fields { get; protected set; } = PythonTuple.EMPTY;
public PythonTuple _attributes { get; protected set; } = PythonTuple.EMPTY;
public int lineno {
get {
if (_lineno != null) return (int)_lineno;
throw PythonOps.AttributeErrorForMissingAttribute(PythonOps.GetPythonTypeName(this), "lineno");
}
set { _lineno = value; }
}
public int col_offset {
get {
if (_col_offset != null) return (int)_col_offset;
throw PythonOps.AttributeErrorForMissingAttribute(PythonOps.GetPythonTypeName(this), "col_offset");
}
set { _col_offset = value; }
}
public void __setstate__(PythonDictionary state) {
restoreProperties(_attributes, state);
restoreProperties(_fields, state);
}
internal void restoreProperties(IEnumerable<object> names, IDictionary source) {
foreach (object name in names) {
if (name is string) {
try {
string key = (string)name;
this.GetType().GetProperty(key).SetValue(this, source[key], null);
} catch (Generic.KeyNotFoundException) {
// ignore missing
}
}
}
}
internal void storeProperties(IEnumerable<object> names, IDictionary target) {
foreach (object name in names) {
if (name is string) {
string key = (string)name;
object val;
try {
val = this.GetType().GetProperty(key).GetValue(this, null);
target.Add(key, val);
} catch (System.Reflection.TargetInvocationException) {
// field not set
}
}
}
}
internal PythonDictionary getstate() {
PythonDictionary d = new PythonDictionary(10);
storeProperties(_fields, d);
storeProperties(_attributes, d);
return d;
}
public virtual object/*!*/ __reduce__() {
return PythonTuple.MakeTuple(DynamicHelpers.GetPythonType(this), PythonTuple.EMPTY, getstate());
}
public virtual object/*!*/ __reduce_ex__(int protocol) {
return __reduce__();
}
[PythonHidden]
protected void GetSourceLocation(Node node) {
_lineno = node.Start.Line;
// IronPython counts from 1; CPython counts from 0
_col_offset = node.Start.Column - 1;
}
internal static PythonList ConvertStatements(Statement stmt) {
return ConvertStatements(stmt, false);
}
internal static PythonList ConvertStatements(Statement stmt, bool allowNull) {
if (stmt == null)
if (allowNull)
return new PythonList(0);
else
throw new ArgumentNullException(nameof(stmt));
if (stmt is SuiteStatement) {
SuiteStatement suite = (SuiteStatement)stmt;
PythonList list = new PythonList(suite.Statements.Count);
foreach (Statement s in suite.Statements)
if (s is SuiteStatement) // multiple stmt in a line
foreach (Statement s2 in ((SuiteStatement)s).Statements)
list.Add(Convert(s2));
else
list.Add(Convert(s));
return list;
}
return PythonList.FromArrayNoCopy(Convert(stmt));
}
internal static stmt Convert(Statement stmt) {
stmt ast = stmt switch {
FunctionDefinition s => new FunctionDef(s),
ReturnStatement s => new Return(s),
AnnotatedAssignStatement s => new AnnAssign(s),
AssignmentStatement s => new Assign(s),
AugmentedAssignStatement s => new AugAssign(s),
DelStatement s => new Delete(s),
ExpressionStatement s => new Expr(s),
ForStatement s => new For(s),
WhileStatement s => new While(s),
IfStatement s => new If(s),
WithStatement s => new With(s),
RaiseStatement s => new Raise(s),
TryStatement s => new Try(s),
AssertStatement s => new Assert(s),
ImportStatement s => new Import(s),
FromImportStatement s => new ImportFrom(s),
GlobalStatement s => new Global(s),
NonlocalStatement s => new Nonlocal(s),
ClassDefinition s => new ClassDef(s),
BreakStatement _ => new Break(),
ContinueStatement _ => new Continue(),
EmptyStatement _ => new Pass(),
_ => throw new ArgumentTypeException("Unexpected statement type: " + stmt.GetType()),
};
ast.GetSourceLocation(stmt);
return ast;
}
internal static PythonList ConvertAliases(IList<DottedName> names, IList<string> asnames) {
PythonList list = new PythonList(names.Count);
if (names == FromImportStatement.Star) // does it ever happen?
list.Add(new alias("*", null));
else
for (int i = 0; i < names.Count; i++)
list.Add(new alias(names[i].MakeString(), asnames[i]));
return list;
}
internal static PythonList ConvertAliases(IList<string> names, IList<string> asnames) {
PythonList list = new PythonList(names.Count);
if (names == FromImportStatement.Star)
list.Add(new alias("*", null));
else
for (int i = 0; i < names.Count; i++)
list.Add(new alias(names[i], asnames[i]));
return list;
}
internal static slice TrySliceConvert(AstExpression expr) {
if (expr is SliceExpression)
return new Slice((SliceExpression)expr);
if (expr is TupleExpression && ((TupleExpression)expr).IsExpandable)
return new ExtSlice(((Tuple)Convert(expr)).elts);
return null;
}
internal static expr Convert(AstExpression expr) {
return Convert(expr, Load.Instance);
}
internal static expr Convert(AstExpression expr, expr_context ctx) {
var ast = expr switch {
ConstantExpression x => Convert(x),
NameExpression x => new Name(x, ctx),
UnaryExpression x => new UnaryOp(x).TryTrimTrivialUnaryOp(),
BinaryExpression x => Convert(x),
AndExpression x => new BoolOp(x),
OrExpression x => new BoolOp(x),
CallExpression x => new Call(x),
ParenthesisExpression x => Convert(x.Expression),
LambdaExpression x => new Lambda(x),
ListExpression x => new List(x, ctx),
TupleExpression x => new Tuple(x, ctx),
DictionaryExpression x => new Dict(x),
ListComprehension x => new ListComp(x),
GeneratorExpression x => new GeneratorExp(x),
MemberExpression x => new Attribute(x, ctx),
YieldExpression x => new Yield(x),
YieldFromExpression x => new YieldFrom(x),
ConditionalExpression x => new IfExp(x),
IndexExpression x => new Subscript(x, ctx),
SetExpression x => new Set(x),
DictionaryComprehension x => new DictComp(x),
SetComprehension x => new SetComp(x),
StarredExpression x => new Starred(x, ctx),
JoinedStringExpression x => new JoinedStr(x),
FormattedValueExpression x => new FormattedValue(x),
_ => throw new ArgumentTypeException("Unexpected expression type: " + expr.GetType()),
};
if (expr is ParenthesisExpression) return ast; // don't overwrite the source loc
ast.GetSourceLocation(expr);
return ast;
}
internal static expr Convert(ConstantExpression expr) {
expr ast;
if (expr.Value == null || expr.Value is bool)
return new NameConstant(expr.Value);
if (expr.Value is int || expr.Value is double || expr.Value is long || expr.Value is BigInteger || expr.Value is Complex)
ast = new Num(expr.Value);
else if (expr.Value is string)
ast = new Str((string)expr.Value);
else if (expr.Value is IronPython.Runtime.Bytes)
ast = new Bytes((IronPython.Runtime.Bytes)expr.Value);
else if (expr.Value is IronPython.Runtime.Types.Ellipsis)
ast = Ellipsis.Instance;
else
throw new ArgumentTypeException("Unexpected constant type: " + expr.Value.GetType());
return ast;
}
internal static expr Convert(BinaryExpression expr) {
AST op = Convert(expr.Operator);
if (BinaryExpression.IsComparison(expr)) {
return new Compare(expr);
}
if (op is @operator) {
return new BinOp(expr, (@operator)op);
}
throw new ArgumentTypeException("Unexpected operator type: " + op.GetType());
}
internal static AST Convert(Node node) {
AST ast;
if (node is TryStatementHandler)
ast = new ExceptHandler((TryStatementHandler)node);
else
throw new ArgumentTypeException("Unexpected node type: " + node.GetType());
ast.GetSourceLocation(node);
return ast;
}
internal static PythonList Convert(IReadOnlyList<ComprehensionIterator> iters) {
var cfCollector = new List<ComprehensionFor>();
var cifCollector = new List<List<ComprehensionIf>>();
List<ComprehensionIf> cif = null;
for (int i = 0; i < iters.Count; i++) {
switch (iters[i]) {
case ComprehensionFor cf:
cfCollector.Add(cf);
cif = new List<ComprehensionIf>();
cifCollector.Add(cif);
break;
case ComprehensionIf ci:
cif.Add(ci);
break;
default:
throw new InvalidOperationException();
}
}
PythonList comps = new PythonList();
for (int i = 0; i < cfCollector.Count; i++)
comps.Add(new comprehension(cfCollector[i], cifCollector[i].ToArray()));
return comps;
}
internal static AST Convert(PythonOperator op) {
// We treat operator classes as singletons here to keep overhead down
// But we cannot fully make them singletons if we wish to keep compatibility wity CPython
return op switch {
PythonOperator.Add => Add.Instance,
PythonOperator.BitwiseAnd => BitAnd.Instance,
PythonOperator.BitwiseOr => BitOr.Instance,
PythonOperator.TrueDivide => Div.Instance,
PythonOperator.Equal => Eq.Instance,
PythonOperator.FloorDivide => FloorDiv.Instance,
PythonOperator.GreaterThan => Gt.Instance,
PythonOperator.GreaterThanOrEqual => GtE.Instance,
PythonOperator.In => In.Instance,
PythonOperator.Invert => Invert.Instance,
PythonOperator.Is => Is.Instance,
PythonOperator.IsNot => IsNot.Instance,
PythonOperator.LeftShift => LShift.Instance,
PythonOperator.LessThan => Lt.Instance,
PythonOperator.LessThanOrEqual => LtE.Instance,
PythonOperator.MatMult => MatMult.Instance,
PythonOperator.Mod => Mod.Instance,
PythonOperator.Multiply => Mult.Instance,
PythonOperator.Negate => USub.Instance,
PythonOperator.Not => Not.Instance,
PythonOperator.NotEqual => NotEq.Instance,
PythonOperator.NotIn => NotIn.Instance,
PythonOperator.Pos => UAdd.Instance,
PythonOperator.Power => Pow.Instance,
PythonOperator.RightShift => RShift.Instance,
PythonOperator.Subtract => Sub.Instance,
PythonOperator.Xor => BitXor.Instance,
_ => throw new ArgumentException("Unexpected PythonOperator: " + op, nameof(op)),
};
}
}
[PythonType]
public class alias : AST {
public alias() {
_fields = PythonTuple.MakeTuple(new[] { nameof(name), nameof(asname) });
}
public alias(string name, [Optional] string asname)
: this() {
this.name = name;
this.asname = asname;
}
public string name { get; set; }
public string asname { get; set; }
}
public static PythonType arg => DynamicHelpers.GetPythonTypeFromType(typeof(ArgType));
[PythonType("arg"), PythonHidden]
public class ArgType : AST {
private static PythonTuple __attributes = PythonTuple.MakeTuple(new[] { nameof(lineno), nameof(col_offset) });
private static PythonTuple __fields = PythonTuple.MakeTuple(new[] { nameof(arg), nameof(annotation) });
public ArgType() {
_attributes = __attributes;
_fields = __fields;
}
public ArgType(string arg, object annotation) : this() {
this.arg = arg;
this.annotation = annotation;
}
internal ArgType(Parameter parameter) : this() {
arg = parameter.Name;
annotation = parameter.Annotation == null ? null : Convert(parameter.Annotation);
GetSourceLocation(parameter);
}
public string arg { get; set; }
public object annotation { get; set; }
}
[PythonType]
public class arguments : AST {
public arguments() {
_fields = PythonTuple.MakeTuple(new[] { nameof(args), nameof(vararg), nameof(kwonlyargs), nameof(kw_defaults), nameof(kwarg), nameof(defaults) });
}
public arguments(PythonList args, ArgType vararg, PythonList kwonlyargs, PythonList kw_defaults, ArgType kwarg, PythonList defaults)
: this() {
this.args = args;
this.vararg = vararg;
this.kwonlyargs = kwonlyargs;
this.kw_defaults = kw_defaults;
this.kwarg = kwarg;
this.defaults = defaults;
}
internal arguments(IList<Parameter> parameters)
: this() {
args = new PythonList(parameters.Count);
defaults = new PythonList(parameters.Count);
kwonlyargs = new PythonList();
kw_defaults = new PythonList();
foreach (Parameter param in parameters) {
switch (param.Kind) {
case ParameterKind.List:
vararg = new ArgType(param);
break;
case ParameterKind.Dictionary:
kwarg = new ArgType(param);
break;
case ParameterKind.KeywordOnly:
kwonlyargs.Add(new ArgType(param));
kw_defaults.Add(param.DefaultValue == null ? null : Convert(param.DefaultValue));
break;
default:
args.Add(new ArgType(param));
if (param.DefaultValue != null)
defaults.Add(Convert(param.DefaultValue));
break;
}
}
}
internal Parameter[] Revert() {
var parameters = new List<Parameter>();
for (var i = kwonlyargs.Count - 1; i >= 0; i--) {
var kwonlyarg = (ArgType)kwonlyargs[i];
var param = new Parameter(kwonlyarg.arg, ParameterKind.KeywordOnly) {
Annotation = expr.Revert(kwonlyarg.annotation),
DefaultValue = expr.Revert(kw_defaults[i])
};
}
int argIdx = args.Count - 1;
for (int defIdx = defaults.Count - 1; defIdx >= 0; defIdx--, argIdx--) {
var arg = (ArgType)args[argIdx];
parameters.Add(new Parameter(arg.arg) {
Annotation = expr.Revert(arg.annotation),
DefaultValue = expr.Revert(defaults[defIdx])
});
}
while (argIdx >= 0) {
var arg = (ArgType)args[argIdx--];
parameters.Add(new Parameter(arg.arg) {
Annotation = expr.Revert(arg.annotation)
});
}
parameters.Reverse();
if (vararg != null)
parameters.Add(new Parameter(vararg.arg, ParameterKind.List));
if (kwarg != null)
parameters.Add(new Parameter(kwarg.arg, ParameterKind.Dictionary));
return parameters.ToArray();
}
public PythonList args { get; set; }
public ArgType vararg { get; set; }
public PythonList kwonlyargs { get; set; }
public PythonList kw_defaults { get; set; }
public ArgType kwarg { get; set; }
public PythonList defaults { get; set; }
}
[PythonType]
public abstract class boolop : AST {
}
[PythonType]
public abstract class cmpop : AST {
internal abstract PythonOperator Revert();
}
[PythonType]
public class comprehension : AST {
public comprehension() {
_fields = PythonTuple.MakeTuple(new[] { nameof(target), nameof(iter), nameof(ifs) });
}
public comprehension(expr target, expr iter, PythonList ifs)
: this() {
this.target = target;
this.iter = iter;
this.ifs = ifs;
}
internal comprehension(ComprehensionFor listFor, ComprehensionIf[] listIfs)
: this() {
target = Convert(listFor.Left, Store.Instance);
iter = Convert(listFor.List);
ifs = new PythonList(listIfs.Length);
foreach (ComprehensionIf listIf in listIfs)
ifs.Add(Convert(listIf.Test));
}
internal static ComprehensionIterator[] RevertComprehensions(PythonList comprehensions) {
var comprehensionIterators = new List<ComprehensionIterator>();
foreach (comprehension comp in comprehensions) {
ComprehensionFor cf = new ComprehensionFor(expr.Revert(comp.target), expr.Revert(comp.iter));
comprehensionIterators.Add(cf);
foreach (expr ifs in comp.ifs) {
comprehensionIterators.Add(new ComprehensionIf(expr.Revert(ifs)));
}
}
return comprehensionIterators.ToArray();
}
public expr target { get; set; }
public expr iter { get; set; }
public PythonList ifs { get; set; }
}
[PythonType]
public class excepthandler : AST {
public excepthandler() {
_attributes = PythonTuple.MakeTuple(new[] { nameof(lineno), nameof(col_offset) });
}
}
[PythonType]
public abstract class expr : AST {
protected expr() {
_attributes = PythonTuple.MakeTuple(new[] { nameof(lineno), nameof(col_offset) });
}
internal virtual AstExpression Revert() {
throw PythonOps.TypeError("Unexpected expr type: {0}", GetType());
}
internal static AstExpression Revert(expr ex) {
return ex?.Revert();
}
internal static AstExpression Revert(object ex) {
if (ex == null)
return null;
Debug.Assert(ex is expr);
return ((expr)ex).Revert();
}
internal static AstExpression[] RevertExprs(PythonList exprs) {
// it is assumed that list elements are expr
AstExpression[] ret = new AstExpression[exprs.Count];
for (int i = 0; i < exprs.Count; i++)
ret[i] = ((expr)exprs[i]).Revert();
return ret;
}
}
[PythonType]
public abstract class expr_context : AST {
}
[PythonType]
public class keyword : AST {
public keyword() {
_fields = PythonTuple.MakeTuple(new[] { nameof(arg), nameof(value) });
}
public keyword(string arg, expr value)
: this() {
this.arg = arg;
this.value = value;
}
internal keyword(IronPython.Compiler.Ast.Keyword arg)
: this() {
this.arg = arg.Name;
value = Convert(arg.Expression);
}
public string arg { get; set; }
public expr value { get; set; }
}
[PythonType]
public abstract class mod : AST {
internal abstract PythonList GetStatements();
}
[PythonType]
public abstract class @operator : AST {
internal abstract PythonOperator Revert();
}
[PythonType]
public abstract class slice : AST {
}
[PythonType]
public abstract class stmt : AST {
protected stmt() {
_attributes = PythonTuple.MakeTuple(new[] { nameof(lineno), nameof(col_offset) });
}
internal virtual Statement Revert() {
throw PythonOps.TypeError("Unexpected statement type: {0}", GetType());
}
internal static Statement RevertStmts(PythonList stmts) {
if (stmts.Count == 1)
return ((stmt)stmts[0]).Revert();
Statement[] statements = new Statement[stmts.Count];
for (int i = 0; i < stmts.Count; i++)
statements[i] = ((stmt)stmts[i]).Revert();
return new SuiteStatement(statements);
}
}
[PythonType]
public abstract class unaryop : AST {
internal abstract PythonOperator Revert();
}
[PythonType]
public class Add : @operator {
internal static readonly Add Instance = new Add();
internal override PythonOperator Revert() => PythonOperator.Add;
}
[PythonType]
public class And : boolop {
internal static readonly And Instance = new And();
}
[PythonType]
public class AnnAssign : stmt {
public AnnAssign() {
_fields = PythonTuple.MakeTuple(new[] { nameof(target), nameof(annotation), nameof(value), nameof(simple) });
}
public AnnAssign(expr target, expr annotation, expr value, int simple, [Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.target = target;
this.annotation = annotation;
this.value = value;
this.simple = simple;
_lineno = lineno;
_col_offset = col_offset;
}
internal AnnAssign(AnnotatedAssignStatement stmt)
: this() {
target = Convert(stmt.Target, Store.Instance);
annotation = Convert(stmt.Annotation);
value = stmt.Value is null ? null : Convert(stmt.Value);
simple = stmt.Simple ? 1 : 0;
}
internal override Statement Revert() {
return new AnnotatedAssignStatement(expr.Revert(target), expr.Revert(annotation), expr.Revert(value), simple != 0);
}
public expr target { get; set; }
public expr annotation { get; set; }
public expr value { get; set; }
public int simple { get; set; }
}
[PythonType]
public class Assert : stmt {
public Assert() {
_fields = PythonTuple.MakeTuple(new[] { nameof(test), nameof(msg) });
}
public Assert(expr test, expr msg, [Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.test = test;
this.msg = msg;
_lineno = lineno;
_col_offset = col_offset;
}
internal Assert(AssertStatement stmt)
: this() {
test = Convert(stmt.Test);
if (stmt.Message != null)
msg = Convert(stmt.Message);
}
internal override Statement Revert() {
return new AssertStatement(expr.Revert(test), expr.Revert(msg));
}
public expr test { get; set; }
public expr msg { get; set; }
}
[PythonType]
public class Assign : stmt {
public Assign() {
_fields = PythonTuple.MakeTuple(new[] { nameof(targets), nameof(value) });
}
public Assign(PythonList targets, expr value, [Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.targets = targets;
this.value = value;
_lineno = lineno;
_col_offset = col_offset;
}
internal Assign(AssignmentStatement stmt)
: this() {
targets = new PythonList(stmt.Left.Count);
foreach (AstExpression expr in stmt.Left)
targets.Add(Convert(expr, Store.Instance));
value = Convert(stmt.Right);
}
internal override Statement Revert() {
return new AssignmentStatement(expr.RevertExprs(targets), expr.Revert(value));
}
public PythonList targets { get; set; }
public expr value { get; set; }
}
[PythonType]
public class AsyncFunctionDef : stmt {
public AsyncFunctionDef() {
_fields = PythonTuple.MakeTuple(nameof(name), nameof(args), nameof(body), nameof(decorator_list), nameof(returns));
}
public AsyncFunctionDef(expr name, expr args, expr body, expr decorator_list, expr returns, [Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.name = name;
this.args = args;
this.body = body;
this.decorator_list = decorator_list;
this.returns = returns;
_lineno = lineno;
_col_offset = col_offset;
}
// _fields
public expr name { get; set; }
public expr args { get; set; }
public expr body { get; set; }
public expr decorator_list { get; set; }
public expr returns { get; set; }
}
[PythonType]
public class Attribute : expr {
public Attribute() {
_fields = PythonTuple.MakeTuple(new[] { nameof(value), nameof(attr), nameof(ctx) });
}
public Attribute(expr value, string attr, expr_context ctx,
[Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.value = value;
this.attr = attr;
this.ctx = ctx;
_lineno = lineno;
_col_offset = col_offset;
}
internal Attribute(MemberExpression attr, expr_context ctx)
: this() {
value = Convert(attr.Target);
this.attr = attr.Name;
this.ctx = ctx;
}
internal override AstExpression Revert() {
return new MemberExpression(expr.Revert(value), attr);
}
public expr value { get; set; }
public string attr { get; set; }
public expr_context ctx { get; set; }
}
[PythonType]
public class AugAssign : stmt {
public AugAssign() {
_fields = PythonTuple.MakeTuple(new[] { nameof(target), nameof(op), nameof(value) });
}
public AugAssign(expr target, @operator op, expr value,
[Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.target = target;
this.op = op;
this.value = value;
_lineno = lineno;
_col_offset = col_offset;
}
internal AugAssign(AugmentedAssignStatement stmt)
: this() {
target = Convert(stmt.Left, Store.Instance);
value = Convert(stmt.Right);
op = (@operator)Convert(stmt.Operator);
}
internal override Statement Revert() {
return new AugmentedAssignStatement(op.Revert(), expr.Revert(target), expr.Revert(value));
}
public expr target { get; set; }
public @operator op { get; set; }
public expr value { get; set; }
}
/// <summary>
/// Not used.
/// </summary>
[PythonType]
public class AugLoad : expr_context {
}
/// <summary>
/// Not used.
/// </summary>
[PythonType]
public class AugStore : expr_context {
}
[PythonType]
public class BinOp : expr {
public BinOp() {
_fields = PythonTuple.MakeTuple(new[] { nameof(left), nameof(op), nameof(right) });
}
public BinOp(expr left, @operator op, expr right, [Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.left = left;
this.op = op;
this.right = right;
_lineno = lineno;
_col_offset = col_offset;
}
internal BinOp(BinaryExpression expr, @operator op)
: this() {
left = Convert(expr.Left);
right = Convert(expr.Right);
this.op = op;
}
internal override AstExpression Revert() {
return new BinaryExpression(op.Revert(), expr.Revert(left), expr.Revert(right));
}
public expr left { get; set; }
public expr right { get; set; }
public @operator op { get; set; }
}
[PythonType]
public class BitAnd : @operator {
internal static readonly BitAnd Instance = new BitAnd();
internal override PythonOperator Revert() => PythonOperator.BitwiseAnd;
}
[PythonType]
public class BitOr : @operator {
internal static readonly BitOr Instance = new BitOr();
internal override PythonOperator Revert() => PythonOperator.BitwiseOr;
}
[PythonType]
public class BitXor : @operator {
internal static readonly BitXor Instance = new BitXor();
internal override PythonOperator Revert() => PythonOperator.Xor;
}
[PythonType]
public class BoolOp : expr {
public BoolOp() {
_fields = PythonTuple.MakeTuple(new[] { nameof(op), nameof(values) });
}
public BoolOp(boolop op, PythonList values, [Optional] int? lineno, [Optional] int? col_offset)
: this() {
this.op = op;
this.values = values;
_lineno = lineno;
_col_offset = col_offset;
}
internal BoolOp(AndExpression and)
: this() {
values = PythonList.FromArrayNoCopy(Convert(and.Left), Convert(and.Right));
op = And.Instance;
}
internal BoolOp(OrExpression or)
: this() {
values = PythonList.FromArrayNoCopy(Convert(or.Left), Convert(or.Right));
op = Or.Instance;
}
internal override AstExpression Revert() {
if (op == And.Instance || op is And) {
AndExpression ae = new AndExpression(