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Shell: Implement formatting for Heredocs

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This commit is contained in:
Ali Mohammad Pur 2021-04-29 16:05:25 +04:30 • committed by Andreas Kling
parent c5c6161406
commit 4c40151160
2 changed files with 80 additions and 20 deletions
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16
Userland/Shell/Formatter.h
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@ -8,6 +8,7 @@
#include "NodeVisitor.h"
#include <AK/Forward.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/StringView.h>
#include <AK/Types.h>
@ -18,7 +19,7 @@ namespace Shell {
class Formatter final : public AST::NodeVisitor {
public:
Formatter(const StringView& source, ssize_t cursor = -1)
: m_builder(round_up_to_power_of_two(source.length(), 16))
: m_builders({ StringBuilder { round_up_to_power_of_two(source.length(), 16) } })
, m_source(source)
, m_cursor(cursor)
{
@ -30,7 +31,8 @@ public:
}
explicit Formatter(const AST::Node& node)
: m_cursor(-1)
: m_builders({ StringBuilder {} })
, m_cursor(-1)
, m_root_node(node)
{
}
@ -57,6 +59,7 @@ private:
virtual void visit(const AST::FunctionDeclaration*) override;
virtual void visit(const AST::ForLoop*) override;
virtual void visit(const AST::Glob*) override;
virtual void visit(const AST::Heredoc*) override;
virtual void visit(const AST::HistoryEvent*) override;
virtual void visit(const AST::Execute*) override;
virtual void visit(const AST::IfCond*) override;
@ -85,24 +88,26 @@ private:
void test_and_update_output_cursor(const AST::Node*);
void visited(const AST::Node*);
void will_visit(const AST::Node*);
void insert_separator();
void insert_separator(bool escaped = false);
void insert_indent();
ALWAYS_INLINE void with_added_indent(int indent, Function<void()>);
ALWAYS_INLINE void in_new_block(Function<void()>);
ALWAYS_INLINE String in_new_builder(Function<void()>, StringBuilder new_builder = StringBuilder {});
StringBuilder& current_builder() { return m_builder; }
StringBuilder& current_builder() { return m_builders.last(); }
struct Options {
size_t max_line_length_hint { 80 };
bool explicit_parentheses { false };
bool explicit_braces { false };
bool in_double_quotes { false };
bool in_heredoc { false };
} m_options;
size_t m_current_indent { 0 };
StringBuilder m_builder;
Vector<StringBuilder> m_builders;
StringView m_source;
size_t m_output_cursor { 0 };
@ -114,6 +119,7 @@ private:
const AST::Node* m_last_visited_node { nullptr };
StringView m_trivia;
Vector<String> m_heredocs_to_append_after_sequence;
};
}