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3048274f5e
Closes #4283. Heredocs are implemented in a way that makes them feel more like a string (and not a weird redirection, a la bash). There are two tunables, whether the string is dedented (`<<-` vs `<<~`) and whether it allows interpolation (quoted key vs not). To the familiar people, this is how Ruby handles them, and I feel is the most elegant heredoc syntax. Unlike the oddjob that is bash, heredocs are treated exactly as normal strings, and can be used _anywhere_ where a string can be used. They are *required* to appear in the same order as used after a newline is seen when parsing the sequence that the heredoc is used in. For instance: ```sh echo <<-doc1 <<-doc2 | blah blah contents for doc1 doc1 contents for doc2 doc2 ``` The typical nice errors are also implemented :^)
71 lines
1.1 KiB
C++
71 lines
1.1 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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namespace Shell::AST {
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struct Command;
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class Node;
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class Value;
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class SyntaxError;
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class Pipeline;
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struct Rewiring;
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class NodeVisitor;
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class PathRedirectionNode;
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class And;
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class ListConcatenate;
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class Background;
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class BarewordLiteral;
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class BraceExpansion;
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class CastToCommand;
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class CastToList;
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class CloseFdRedirection;
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class CommandLiteral;
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class Comment;
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class ContinuationControl;
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class DynamicEvaluate;
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class DoubleQuotedString;
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class Fd2FdRedirection;
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class FunctionDeclaration;
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class ForLoop;
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class Glob;
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class Heredoc;
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class HistoryEvent;
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class Execute;
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class IfCond;
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class ImmediateExpression;
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class Join;
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class MatchExpr;
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class Or;
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class Pipe;
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class Range;
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class ReadRedirection;
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class ReadWriteRedirection;
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class Sequence;
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class Subshell;
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class Slice;
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class SimpleVariable;
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class SpecialVariable;
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class Juxtaposition;
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class StringLiteral;
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class StringPartCompose;
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class SyntaxError;
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class SyntheticNode;
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class Tilde;
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class VariableDeclarations;
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class WriteAppendRedirection;
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class WriteRedirection;
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}
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namespace Shell {
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class Shell;
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}
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