11445793250

Committed 21 Oct 2024 05:51PM UTC coverage: 76.877% (+0.4%) from 76.499%

Build # 11445793250

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push

github

Committed by

SuperFola

Commit Message

refactor(macro): removing useless constructor

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93.3

/src/arkscript/Formatter.cpp

#include <Ark/Constants.hpp>
#include <CLI/Formatter.hpp>

#include <fmt/core.h>
#include <fmt/color.h>

#include <Ark/Files.hpp>
#include <Ark/Exceptions.hpp>
#include <Ark/Compiler/Common.hpp>

using namespace Ark;
using namespace Ark::internal;

Formatter::Formatter(bool dry_run) :
    m_dry_run(dry_run), m_parser(/* debug= */ 0, /* interpret= */ false), m_updated(false)
{}

Formatter::Formatter(std::string filename, const bool dry_run) :
    m_filename(std::move(filename)), m_dry_run(dry_run), m_parser(/* debug= */ 0, /* interpret= */ false), m_updated(false)
{}

void Formatter::run()
{
    try
    {
        const std::string code = Utils::readFile(m_filename);
        m_parser.process(m_filename, code);
        processAst(m_parser.ast());
        warnIfCommentsWereRemoved(code, ARK_NO_NAME_FILE);

        m_updated = code != m_output;
    }
    catch (const CodeError& e)
    {
        Diagnostics::generate(e);
    }
}

void Formatter::runWithString(const std::string& code)
{
    try
    {
        m_parser.process(ARK_NO_NAME_FILE, code);
        processAst(m_parser.ast());
        warnIfCommentsWereRemoved(code, ARK_NO_NAME_FILE);

        m_updated = code != m_output;
    }
    catch (const CodeError& e)
    {
        Diagnostics::generate(e);
    }
}

const std::string& Formatter::output() const
{
    return m_output;
}

bool Formatter::codeModified() const
{
    return m_updated;
}

void Formatter::processAst(const Node& ast)
{
    // remove useless surrounding begin (generated by the parser)
    if (isBeginBlock(ast))
    {
        for (std::size_t i = 1, end = ast.constList().size(); i < end; ++i)
        {
            const Node node = ast.constList()[i];
            if (shouldAddNewLineBetweenNodes(ast, i) && !m_output.empty())
                m_output += "\n";
            m_output += format(node, 0, false) + "\n";
        }
    }
    else
        m_output = format(ast, 0, false);

    if (!m_dry_run)
    {
        std::ofstream stream(m_filename);
        stream << m_output;
    }
}

void Formatter::warnIfCommentsWereRemoved(const std::string& original_code, const std::string& filename)
{
    if (std::ranges::count(original_code, '#') != std::ranges::count(m_output, '#'))
    {
        fmt::println(
            "{}: one or more comments from the original source code seem to have been removed by mistake while formatting {}",
            fmt::styled("Warning", fmt::fg(fmt::color::dark_orange)),
            filename != ARK_NO_NAME_FILE ? filename : "file");
        fmt::println("Please fill an issue on GitHub: https://github.com/ArkScript-lang/Ark");
    }
}

bool Formatter::isListStartingWithKeyword(const Node& node, const Keyword keyword)
{
    return node.isListLike() && !node.constList().empty() && node.constList()[0].nodeType() == NodeType::Keyword && node.constList()[0].keyword() == keyword;
}

bool Formatter::isBeginBlock(const Node& node)
{
    return isListStartingWithKeyword(node, Keyword::Begin);
}

bool Formatter::isFuncDef(const Node& node)
{
    return isListStartingWithKeyword(node, Keyword::Fun);
}

bool Formatter::isFuncCall(const Node& node)
{
    return node.isListLike() && !node.constList().empty() && node.constList()[0].nodeType() == NodeType::Symbol;
}

std::size_t Formatter::lineOfLastNodeIn(const Node& node)
{
    if (node.isListLike() && !node.constList().empty())
    {
        std::size_t child_line = lineOfLastNodeIn(node.constList().back());
        if (child_line < node.line())
            return node.line();
        return child_line;
    }
    return node.line();
}

bool Formatter::shouldSplitOnNewline(const Node& node)
{
    const std::string formatted = format(node, 0, false);
    const std::string::size_type sz = formatted.find_first_of('\n');

    const bool is_long_line = !((sz < FormatterConfig.LongLineLength || (sz == std::string::npos && formatted.size() < FormatterConfig.LongLineLength)));
    if (node.comment().empty() && (isBeginBlock(node) || isFuncCall(node)))
        return false;
    if (is_long_line || (node.isListLike() && node.constList().size() > 1) || !node.comment().empty())
        return true;
    return false;
}

bool Formatter::shouldAddNewLineBetweenNodes(const Node& node, const std::size_t at)
{
    if (at <= 1)
        return false;

    const auto& list = node.constList();
    std::size_t previous_line = lineOfLastNodeIn(list[at - 1]);

    const auto& child = list[at];

    // If we have a node before the current one,
    // and the line count between the two nodes is more than 1,
    // maybe we should add a new line to preserve user spacing.
    // However, if the current node has a comment, do not add a new line, this is causing the spacing.
    if (child.line() - previous_line > 1 && child.comment().empty())
        return true;
    // If we do have a comment but the spacing is more than 2,
    // then add a newline to preserve user spacing.
    if (child.line() - previous_line > 2 && !child.comment().empty())
        return true;
    return false;
}

std::string Formatter::format(const Node& node, std::size_t indent, bool after_newline)
{
    std::string output;
    if (!node.comment().empty())
    {
        output += formatComment(node.comment(), indent);
        after_newline = true;
    }
    if (after_newline)
        output += prefix(indent);

    switch (node.nodeType())
    {
        case NodeType::Symbol:
            output += node.string();
            break;
        case NodeType::Capture:
            output += "&" + node.string();
            break;
        case NodeType::Keyword:
            output += std::string(keywords[static_cast<std::size_t>(node.keyword())]);
            break;
        case NodeType::String:
            output += fmt::format("\"{}\"", node.string());
            break;
        case NodeType::Number:
            output += fmt::format("{}", node.number());
            break;
        case NodeType::List:
            output += formatBlock(node, indent, after_newline);
            break;
        case NodeType::Spread:
            output += fmt::format("...{}", node.string());
            break;
        case NodeType::Field:
        {
            std::string field = format(node.constList()[0], indent, false);
            for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)
                field += "." + format(node.constList()[i], indent, false);
            output += field;
            break;
        }
        case NodeType::Macro:
            output += formatMacro(node, indent);
            break;
        case NodeType::Unused:
            break;
    }

    if (!node.commentAfter().empty())
        output += " " + formatComment(node.commentAfter(), /* indent= */ 0);

    return output;
}

std::string Formatter::formatComment(const std::string& comment, const std::size_t indent) const
{
    std::string output = prefix(indent);
    for (std::size_t i = 0, end = comment.size(); i < end; ++i)
    {
        output += comment[i];
        if (comment[i] == '\n' && i != end - 1)
            output += prefix(indent);
    }

    return output;
}

std::string Formatter::formatBlock(const Node& node, const std::size_t indent, const bool after_newline)
{
    if (node.constList().empty())
        return "()";

    const Node first = node.constList().front();
    if (first.nodeType() == NodeType::Keyword)
    {
        switch (first.keyword())
        {
            case Keyword::Fun:
                return formatFunction(node, indent);
            case Keyword::Let:
                [[fallthrough]];
            case Keyword::Mut:
                [[fallthrough]];
            case Keyword::Set:
                return formatVariable(node, indent);
            case Keyword::If:
                return formatCondition(node, indent);
            case Keyword::While:
                return formatLoop(node, indent);
            case Keyword::Begin:
                return formatBegin(node, indent, after_newline);
            case Keyword::Import:
                return formatImport(node, indent);
            case Keyword::Del:
                return formatDel(node, indent);
        }
        // HACK: should never reach, but the compiler insists that the function doesn't return in every code path
        return "";
    }
    return formatCall(node, indent);
}

std::string Formatter::formatFunction(const Node& node, const std::size_t indent)
{
    const Node args_node = node.constList()[1];
    const Node body_node = node.constList()[2];

    std::string formatted_args;

    if (!args_node.comment().empty())
    {
        formatted_args += "\n";
        formatted_args += formatComment(args_node.comment(), indent + 1);
        formatted_args += prefix(indent + 1);
    }
    else
        formatted_args += " ";

    if (args_node.isListLike())
    {
        bool comment_in_args = false;
        std::string args;
        for (std::size_t i = 0, end = args_node.constList().size(); i < end; ++i)
        {
            const Node arg_i = args_node.constList()[i];
            if (!arg_i.comment().empty())
                comment_in_args = true;

            args += format(arg_i, indent + (comment_in_args ? 1 : 0), comment_in_args);
            if (i != end - 1)
                args += comment_in_args ? '\n' : ' ';
        }

        formatted_args += fmt::format("({}{})", (comment_in_args ? "\n" : ""), args);
    }
    else
        formatted_args += format(args_node, indent, false);

    if (!shouldSplitOnNewline(body_node) && args_node.comment().empty())
        return fmt::format("(fun{} {})", formatted_args, format(body_node, indent + 1, false));
    return fmt::format("(fun{}\n{})", formatted_args, format(body_node, indent + 1, true));
}

std::string Formatter::formatVariable(const Node& node, const std::size_t indent)
{
    std::string keyword = std::string(keywords[static_cast<std::size_t>(node.constList()[0].keyword())]);

    const Node body_node = node.constList()[2];
    const std::string formatted_bind = format(node.constList()[1], indent, false);

    // we don't want to add another indentation level here, because it would result in a (let a (fun ()\n{indent+=4}...))
    if (isFuncDef(body_node))
        return fmt::format("({} {} {})", keyword, formatted_bind, format(body_node, indent, false));
    if (!shouldSplitOnNewline(body_node))
        return fmt::format("({} {} {})", keyword, formatted_bind, format(body_node, indent + 1, false));
    return fmt::format("({} {}\n{})", keyword, formatted_bind, format(body_node, indent + 1, true));
}

std::string Formatter::formatCondition(const Node& node, const std::size_t indent, const bool is_macro)
{
    const Node cond_node = node.constList()[1];
    const Node then_node = node.constList()[2];

    bool cond_on_newline = false;
    std::string formatted_cond = format(cond_node, indent + 1, false);
    if (formatted_cond.find('\n') != std::string::npos)
        cond_on_newline = true;

    std::string if_cond_formatted = fmt::format(
        "({}if{}{}",
        is_macro ? "$" : "",
        cond_on_newline ? "\n" : " ",
        formatted_cond);

    const bool split_then_newline = shouldSplitOnNewline(then_node);

    // (if cond then)
    if (node.constList().size() == 3)
    {
        if (cond_on_newline || split_then_newline)
            return fmt::format("{}\n{})", if_cond_formatted, format(then_node, indent + 1, true));
        return fmt::format("{} {})", if_cond_formatted, format(then_node, indent + 1, false));
    }
    // (if cond then else)
    return fmt::format(
        "{}\n{}\n{}{})",
        if_cond_formatted,
        format(then_node, indent + 1, true),
        format(node.constList()[3], indent + 1, true),
        node.constList()[3].commentAfter().empty() ? "" : ("\n" + prefix(indent)));
}

std::string Formatter::formatLoop(const Node& node, const std::size_t indent)
{
    const Node cond_node = node.constList()[1];
    const Node body_node = node.constList()[2];

    bool cond_on_newline = false;
    std::string formatted_cond = format(cond_node, indent + 1, false);
    if (formatted_cond.find('\n') != std::string::npos)
        cond_on_newline = true;

    if (cond_on_newline || shouldSplitOnNewline(body_node))
        return fmt::format(
            "(while{}{}\n{})",
            cond_on_newline ? "\n" : " ",
            formatted_cond,
            format(body_node, indent + 1, true));
    return fmt::format(
        "(while {} {})",
        formatted_cond,
        format(body_node, indent + 1, false));
}

std::string Formatter::formatBegin(const Node& node, const std::size_t indent, const bool after_newline)
{
    // only the keyword begin is present
    if (node.constList().size() == 1)
        return "{}";

    // after a new line, we need to increment our indentation level
    // if the block is a top level one, we also need to increment indentation level
    const std::size_t inner_indentation = indent + (after_newline ? 1 : 0) + (indent == 0 ? 1 : 0);

    std::string output = "{\n";
    // skip begin keyword
    for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)
    {
        const Node child = node.constList()[i];
        // we want to preserve the node grouping by the user, but remove useless duplicate new line
        // but that shouldn't apply to the first node of the block
        if (shouldAddNewLineBetweenNodes(node, i) && i > 1)
            output += "\n";

        output += format(child, inner_indentation, true);
        if (i != end - 1)
            output += "\n";
    }

    // if the last node has a comment, add a new line
    if (!node.constList().empty() && !node.constList().back().commentAfter().empty())
        output += "\n" + prefix(indent) + "}";
    else
        output += " }";
    return output;
}

std::string Formatter::formatImport(const Node& node, const std::size_t indent)
{
    const Node package_node = node.constList()[1];
    std::string package;

    if (!package_node.comment().empty())
        package += "\n" + formatComment(package_node.comment(), indent + 1) + prefix(indent + 1);
    else
        package += " ";

    for (std::size_t i = 0, end = package_node.constList().size(); i < end; ++i)
    {
        package += format(package_node.constList()[i], indent + 1, false);
        if (i != end - 1)
            package += ".";
    }

    const Node symbols = node.constList()[2];
    if (symbols.nodeType() == NodeType::Symbol && symbols.string() == "*")
        package += ":*";
    else  // symbols is a list
    {
        if (const auto& sym_list = symbols.constList(); !sym_list.empty())
        {
            const bool comment_after_last = !sym_list.back().commentAfter().empty();

            for (const auto& sym : sym_list)
            {
                if (sym.comment().empty())
                {
                    if (comment_after_last)
                        package += "\n" + prefix(indent + 1) + ":" + sym.string();
                    else
                        package += " :" + sym.string();
                }
                else
                    package += "\n" + formatComment(sym.comment(), indent + 1) + prefix(indent + 1) + ":" + sym.string();
            }

            if (comment_after_last)
            {
                package += " " + formatComment(sym_list.back().commentAfter(), /* indent= */ 0);
                package += "\n" + prefix(indent + 1);
            }
        }
    }

    return fmt::format("(import{})", package);
}

std::string Formatter::formatDel(const Node& node, const std::size_t indent)
{
    std::string formatted_sym = format(node.constList()[1], indent + 1, false);
    if (formatted_sym.find('\n') != std::string::npos)
        return fmt::format("(del\n{})", formatted_sym);
    return fmt::format("(del {})", formatted_sym);
}

std::string Formatter::formatCall(const Node& node, const std::size_t indent)
{
    bool is_list = false;
    if (!node.constList().empty() && node.constList().front().nodeType() == NodeType::Symbol &&
        node.constList().front().string() == "list")
        is_list = true;

    bool is_multiline = false;

    std::vector<std::string> formatted_args;
    for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)
    {
        formatted_args.push_back(format(node.constList()[i], indent, false));
        // if we have at least one argument taking multiple lines, split them all on their own line
        if (formatted_args.back().find('\n') != std::string::npos || !node.constList()[i].commentAfter().empty())
            is_multiline = true;
    }

    std::string output = is_list ? "[" : ("(" + format(node.constList()[0], indent, false));
    for (std::size_t i = 0, end = formatted_args.size(); i < end; ++i)
    {
        const std::string formatted_node = formatted_args[i];
        if (is_multiline)
            output += "\n" + format(node.constList()[i + 1], indent + 1, true);
        else
            output += (is_list && i == 0 ? "" : " ") + formatted_node;
    }
    if (!node.constList().back().commentAfter().empty())
        output += "\n" + prefix(indent);
    output += is_list ? "]" : ")";
    return output;
}

std::string Formatter::formatMacro(const Node& node, const std::size_t indent)
{
    if (isListStartingWithKeyword(node, Keyword::If))
        return formatCondition(node, indent, /* is_macro= */ true);

    std::string output = "($ ";
    bool after_newline = false;

    for (std::size_t i = 0, end = node.constList().size(); i < end; ++i)
    {
        output += format(node.constList()[i], indent + 1, after_newline);
        after_newline = false;

        if (!node.constList()[i].commentAfter().empty())
        {
            output += "\n";
            after_newline = true;
        }
        else if (i != end - 1)
            output += " ";
    }

    return output + ")";
}

1	#include <Ark/Constants.hpp>
2	#include <CLI/Formatter.hpp>
3
4	#include <fmt/core.h>
5	#include <fmt/color.h>
6
7	#include <Ark/Files.hpp>
8	#include <Ark/Exceptions.hpp>
9	#include <Ark/Compiler/Common.hpp>
10
11	using namespace Ark;
12	using namespace Ark::internal;
13
14	Formatter::Formatter(bool dry_run) :	42✔
15	m_dry_run(dry_run), m_parser(/* debug= / 0, / interpret= */ false), m_updated(false)	21✔
16	{}	42✔
17
18	Formatter::Formatter(std::string filename, const bool dry_run) :	42✔
19	m_filename(std::move(filename)), m_dry_run(dry_run), m_parser(/* debug= / 0, / interpret= */ false), m_updated(false)	21✔
20	{}	42✔
21
22	void Formatter::run()	22✔
23	{	21✔
24	try
25	{
26	const std::string code = Utils::readFile(m_filename);	21✔
27	m_parser.process(m_filename, code);	21✔
28	processAst(m_parser.ast());	21✔
29	warnIfCommentsWereRemoved(code, ARK_NO_NAME_FILE);	21✔
30		×
31	m_updated = code != m_output;	21✔
32	}	22✔
33	catch (const CodeError& e)
34	{
35	Diagnostics::generate(e);	×
36	}	21✔
37	}	21✔
38
39	void Formatter::runWithString(const std::string& code)	21✔
40	{	21✔
41	try
42	{	1✔
43	m_parser.process(ARK_NO_NAME_FILE, code);	21✔
44	processAst(m_parser.ast());	21✔
45	warnIfCommentsWereRemoved(code, ARK_NO_NAME_FILE);	21✔
46
47	m_updated = code != m_output;	21✔
48	}	21✔
49	catch (const CodeError& e)
50	{	×
51	Diagnostics::generate(e);	×
52	}	22✔
53	}	21✔
54
55	const std::string& Formatter::output() const	42✔
56	{	42✔
57	return m_output;	42✔
58	}
59
60	bool Formatter::codeModified() const	×
61	{	×
62	return m_updated;	1✔
63	}
64
65	void Formatter::processAst(const Node& ast)	42✔
66	{	42✔
67	// remove useless surrounding begin (generated by the parser)
68	if (isBeginBlock(ast))	42✔
69	{
70	for (std::size_t i = 1, end = ast.constList().size(); i < end; ++i)	176✔
71	{
72	const Node node = ast.constList()[i];	135✔
73	if (shouldAddNewLineBetweenNodes(ast, i) && !m_output.empty())	134✔
74	m_output += "\n";	18✔
75	m_output += format(node, 0, false) + "\n";	134✔
76	}	134✔
77	}	42✔
78	else
79	m_output = format(ast, 0, false);	×
80		×
81	if (!m_dry_run)	42✔
82	{
83	std::ofstream stream(m_filename);	×
84	stream << m_output;	×
85	}	×
86	}	42✔
87
88	void Formatter::warnIfCommentsWereRemoved(const std::string& original_code, const std::string& filename)	42✔
89	{	42✔
90	if (std::ranges::count(original_code, '#') != std::ranges::count(m_output, '#'))	42✔
91	{
92	fmt::println(	×
93	"{}: one or more comments from the original source code seem to have been removed by mistake while formatting {}",	×
94	fmt::styled("Warning", fmt::fg(fmt::color::dark_orange)),	×
95	filename != ARK_NO_NAME_FILE ? filename : "file");	×
96	fmt::println("Please fill an issue on GitHub: https://github.com/ArkScript-lang/Ark");	×
97	}	×
98	}	42✔
99
100	bool Formatter::isListStartingWithKeyword(const Node& node, const Keyword keyword)	262✔
101	{	262✔
102	return node.isListLike() && !node.constList().empty() && node.constList()[0].nodeType() == NodeType::Keyword && node.constList()[0].keyword() == keyword;	262✔
103	}
104
105	bool Formatter::isBeginBlock(const Node& node)	178✔
106	{	178✔
107	return isListStartingWithKeyword(node, Keyword::Begin);	178✔
108	}
109
110	bool Formatter::isFuncDef(const Node& node)	64✔
111	{	64✔
112	return isListStartingWithKeyword(node, Keyword::Fun);	64✔
113	}
114
115	bool Formatter::isFuncCall(const Node& node)	112✔
116	{	112✔
117	return node.isListLike() && !node.constList().empty() && node.constList()[0].nodeType() == NodeType::Symbol;	112✔
118	}
119
120	std::size_t Formatter::lineOfLastNodeIn(const Node& node)	322✔
121	{	322✔
122	if (node.isListLike() && !node.constList().empty())	322✔
123	{
124	std::size_t child_line = lineOfLastNodeIn(node.constList().back());	186✔
125	if (child_line < node.line())	186✔
126	return node.line();	×
127	return child_line;	186✔
128	}	187✔
129	return node.line();	136✔
130	}	322✔
131
132	bool Formatter::shouldSplitOnNewline(const Node& node)	144✔
133	{	144✔
134	const std::string formatted = format(node, 0, false);	144✔
135	const std::string::size_type sz = formatted.find_first_of('\n');	144✔
136
137	const bool is_long_line = !((sz < FormatterConfig.LongLineLength \|\| (sz == std::string::npos && formatted.size() < FormatterConfig.LongLineLength)));	144✔
138	if (node.comment().empty() && (isBeginBlock(node) \|\| isFuncCall(node)))	144✔
139	return false;	50✔
140	if (is_long_line \|\| (node.isListLike() && node.constList().size() > 1) \|\| !node.comment().empty())	94✔
141	return true;	20✔
142	return false;	74✔
143	}	144✔
144
145	bool Formatter::shouldAddNewLineBetweenNodes(const Node& node, const std::size_t at)	228✔
146	{	228✔
147	if (at <= 1)	228✔
148	return false;	92✔
149
150	const auto& list = node.constList();	136✔
151	std::size_t previous_line = lineOfLastNodeIn(list[at - 1]);	136✔
152
153	const auto& child = list[at];	136✔
154
155	// If we have a node before the current one,
156	// and the line count between the two nodes is more than 1,
157	// maybe we should add a new line to preserve user spacing.	×
158	// However, if the current node has a comment, do not add a new line, this is causing the spacing.
159	if (child.line() - previous_line > 1 && child.comment().empty())	137✔
160	return true;	16✔
161	// If we do have a comment but the spacing is more than 2,
162	// then add a newline to preserve user spacing.
163	if (child.line() - previous_line > 2 && !child.comment().empty())	120✔
164	return true;	2✔
165	return false;	118✔
166	}	228✔
167
168	std::string Formatter::format(const Node& node, std::size_t indent, bool after_newline)	1,374✔
169	{	1,374✔
170	std::string output;	1,374✔
171	if (!node.comment().empty())	1,374✔
172	{
173	output += formatComment(node.comment(), indent);	58✔
174	after_newline = true;	58✔
175	}	58✔
176	if (after_newline)	1,374✔
177	output += prefix(indent);	218✔
178
179	switch (node.nodeType())	1,374✔
180	{	678✔
181	case NodeType::Symbol:
182	output += node.string();	678✔
183	break;	680✔
184	case NodeType::Capture:
185	output += "&" + node.string();	2✔
186	break;	2✔
187	case NodeType::Keyword:
188	output += std::string(keywords[static_cast<std::size_t>(node.keyword())]);	×
189	break;	42✔
190	case NodeType::String:
191	output += fmt::format("\"{}\"", node.string());	42✔
192	break;	206✔
193	case NodeType::Number:
194	output += fmt::format("{}", node.number());	164✔
195	break;	600✔
196	case NodeType::List:
197	output += formatBlock(node, indent, after_newline);	436✔
198	break;	450✔
199	case NodeType::Spread:
200	output += fmt::format("...{}", node.string());	14✔
201	break;	32✔
202	case NodeType::Field:
203	{
204	std::string field = format(node.constList()[0], indent, false);	18✔
205	for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)	62✔
206	field += "." + format(node.constList()[i], indent, false);	44✔
207	output += field;	18✔
208	break;
209	}	38✔
210	case NodeType::Macro:
211	output += formatMacro(node, indent);	20✔
212	break;	20✔
213	case NodeType::Unused:
214	break;	×
215	}	1,374✔
216
217	if (!node.commentAfter().empty())	1,374✔
218	output += " " + formatComment(node.commentAfter(), /* indent= */ 0);	40✔
219
220	return output;	1,374✔
221	}	1,374✔
222
223	std::string Formatter::formatComment(const std::string& comment, const std::size_t indent) const	110✔
224	{	110✔
225	std::string output = prefix(indent);	110✔
226	for (std::size_t i = 0, end = comment.size(); i < end; ++i)	1,654✔
227	{
228	output += comment[i];	1,544✔
229	if (comment[i] == '\n' && i != end - 1)	1,544✔
230	output += prefix(indent);	6✔
231	}	1,544✔
232
233	return output;	110✔
234	}	110✔
235
236	std::string Formatter::formatBlock(const Node& node, const std::size_t indent, const bool after_newline)	436✔
237	{	436✔
238	if (node.constList().empty())	436✔
239	return "()";	8✔
240
241	const Node first = node.constList().front();	428✔
242	if (first.nodeType() == NodeType::Keyword)	428✔
243	{
244	switch (first.keyword())	228✔
245	{	30✔
246	case Keyword::Fun:
247	return formatFunction(node, indent);	94✔
248	case Keyword::Let:
249	[[fallthrough]];
250	case Keyword::Mut:
251	[[fallthrough]];
252	case Keyword::Set:
253	return formatVariable(node, indent);	106✔
254	case Keyword::If:
255	return formatCondition(node, indent);	52✔
256	case Keyword::While:
257	return formatLoop(node, indent);	68✔
258	case Keyword::Begin:
259	return formatBegin(node, indent, after_newline);	78✔
260	case Keyword::Import:
261	return formatImport(node, indent);	24✔
262	case Keyword::Del:
263	return formatDel(node, indent);	4✔
264	}	×
265	// HACK: should never reach, but the compiler insists that the function doesn't return in every code path
266	return "";	×
267	}
268	return formatCall(node, indent);	200✔
269	}	436✔
270
271	std::string Formatter::formatFunction(const Node& node, const std::size_t indent)	30✔
272	{	30✔
273	const Node args_node = node.constList()[1];	30✔
274	const Node body_node = node.constList()[2];	30✔
275
276	std::string formatted_args;	30✔
277
278	if (!args_node.comment().empty())	30✔
279	{
280	formatted_args += "\n";	2✔
281	formatted_args += formatComment(args_node.comment(), indent + 1);	2✔
282	formatted_args += prefix(indent + 1);	2✔
283	}	2✔
284	else
285	formatted_args += " ";	28✔
286
287	if (args_node.isListLike())	30✔
288	{
289	bool comment_in_args = false;	28✔
290	std::string args;	28✔
291	for (std::size_t i = 0, end = args_node.constList().size(); i < end; ++i)	52✔
292	{
293	const Node arg_i = args_node.constList()[i];	24✔
294	if (!arg_i.comment().empty())	24✔
295	comment_in_args = true;	4✔
296
297	args += format(arg_i, indent + (comment_in_args ? 1 : 0), comment_in_args);	24✔
298	if (i != end - 1)	24✔
299	args += comment_in_args ? '\n' : ' ';	8✔
300	}	24✔
301
302	formatted_args += fmt::format("({}{})", (comment_in_args ? "\n" : ""), args);	28✔
303	}	28✔
304	else
305	formatted_args += format(args_node, indent, false);	2✔
306
307	if (!shouldSplitOnNewline(body_node) && args_node.comment().empty())	30✔
308	return fmt::format("(fun{} {})", formatted_args, format(body_node, indent + 1, false));	18✔
309	return fmt::format("(fun{}\n{})", formatted_args, format(body_node, indent + 1, true));	12✔
310	}	30✔
311
312	std::string Formatter::formatVariable(const Node& node, const std::size_t indent)	64✔
313	{	64✔
314	std::string keyword = std::string(keywords[static_cast<std::size_t>(node.constList()[0].keyword())]);	64✔
315
316	const Node body_node = node.constList()[2];	64✔
317	const std::string formatted_bind = format(node.constList()[1], indent, false);	64✔
318
319	// we don't want to add another indentation level here, because it would result in a (let a (fun ()\n{indent+=4}...))
320	if (isFuncDef(body_node))	64✔
321	return fmt::format("({} {} {})", keyword, formatted_bind, format(body_node, indent, false));	6✔
322	if (!shouldSplitOnNewline(body_node))	58✔
323	return fmt::format("({} {} {})", keyword, formatted_bind, format(body_node, indent + 1, false));	56✔
324	return fmt::format("({} {}\n{})", keyword, formatted_bind, format(body_node, indent + 1, true));	2✔
325	}	64✔
326
327	std::string Formatter::formatCondition(const Node& node, const std::size_t indent, const bool is_macro)	48✔
328	{	48✔
329	const Node cond_node = node.constList()[1];	48✔
330	const Node then_node = node.constList()[2];	48✔
331
332	bool cond_on_newline = false;	48✔
333	std::string formatted_cond = format(cond_node, indent + 1, false);	48✔
334	if (formatted_cond.find('\n') != std::string::npos)	48✔
335	cond_on_newline = true;	2✔
336
337	std::string if_cond_formatted = fmt::format(	96✔
338	"({}if{}{}",	48✔
339	is_macro ? "$" : "",	48✔
340	cond_on_newline ? "\n" : " ",	48✔
341	formatted_cond);
342
343	const bool split_then_newline = shouldSplitOnNewline(then_node);	48✔
344
345	// (if cond then)
346	if (node.constList().size() == 3)	48✔
347	{
348	if (cond_on_newline \|\| split_then_newline)	22✔
349	return fmt::format("{}\n{})", if_cond_formatted, format(then_node, indent + 1, true));	2✔
350	return fmt::format("{} {})", if_cond_formatted, format(then_node, indent + 1, false));	20✔
351	}
352	// (if cond then else)
353	return fmt::format(	26✔
354	"{}\n{}\n{}{})",	26✔
355	if_cond_formatted,
356	format(then_node, indent + 1, true),	26✔
357	format(node.constList()[3], indent + 1, true),	26✔
358	node.constList()[3].commentAfter().empty() ? "" : ("\n" + prefix(indent)));	26✔
359	}	48✔
360
361	std::string Formatter::formatLoop(const Node& node, const std::size_t indent)	10✔
362	{	10✔
363	const Node cond_node = node.constList()[1];	10✔
364	const Node body_node = node.constList()[2];	10✔
365
366	bool cond_on_newline = false;	10✔
367	std::string formatted_cond = format(cond_node, indent + 1, false);	10✔
368	if (formatted_cond.find('\n') != std::string::npos)	10✔
369	cond_on_newline = true;	2✔
370
371	if (cond_on_newline \|\| shouldSplitOnNewline(body_node))	10✔
372	return fmt::format(	8✔
373	"(while{}{}\n{})",	4✔
374	cond_on_newline ? "\n" : " ",	4✔
375	formatted_cond,
376	format(body_node, indent + 1, true));	4✔
377	return fmt::format(	6✔
378	"(while {} {})",	6✔
379	formatted_cond,
380	format(body_node, indent + 1, false));	6✔
381	}	10✔
382
383	std::string Formatter::formatBegin(const Node& node, const std::size_t indent, const bool after_newline)	58✔
384	{	58✔
385	// only the keyword begin is present
386	if (node.constList().size() == 1)	58✔
387	return "{}";	8✔
388
389	// after a new line, we need to increment our indentation level
390	// if the block is a top level one, we also need to increment indentation level
391	const std::size_t inner_indentation = indent + (after_newline ? 1 : 0) + (indent == 0 ? 1 : 0);	50✔
392
393	std::string output = "{\n";	50✔
394	// skip begin keyword
395	for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)	144✔
396	{
397	const Node child = node.constList()[i];	94✔
398	// we want to preserve the node grouping by the user, but remove useless duplicate new line
399	// but that shouldn't apply to the first node of the block
400	if (shouldAddNewLineBetweenNodes(node, i) && i > 1)	94✔
401	output += "\n";	×
402
403	output += format(child, inner_indentation, true);	94✔
404	if (i != end - 1)	94✔
405	output += "\n";	44✔
406	}	94✔
407
408	// if the last node has a comment, add a new line
409	if (!node.constList().empty() && !node.constList().back().commentAfter().empty())	50✔
410	output += "\n" + prefix(indent) + "}";	2✔
411	else
412	output += " }";	48✔
413	return output;	50✔
414	}	58✔
415
416	std::string Formatter::formatImport(const Node& node, const std::size_t indent)	20✔
417	{	20✔
418	const Node package_node = node.constList()[1];	20✔
419	std::string package;	20✔
420
421	if (!package_node.comment().empty())	20✔
422	package += "\n" + formatComment(package_node.comment(), indent + 1) + prefix(indent + 1);	2✔
423	else
424	package += " ";	18✔
425
426	for (std::size_t i = 0, end = package_node.constList().size(); i < end; ++i)	58✔
427	{
428	package += format(package_node.constList()[i], indent + 1, false);	38✔
429	if (i != end - 1)	38✔
430	package += ".";	18✔
431	}	38✔
432
433	const Node symbols = node.constList()[2];	20✔
434	if (symbols.nodeType() == NodeType::Symbol && symbols.string() == "*")	20✔
435	package += ":*";	2✔
436	else // symbols is a list
437	{
438	if (const auto& sym_list = symbols.constList(); !sym_list.empty())	28✔
439	{
440	const bool comment_after_last = !sym_list.back().commentAfter().empty();	10✔
441
442	for (const auto& sym : sym_list)	24✔
443	{
444	if (sym.comment().empty())	14✔
445	{
446	if (comment_after_last)	8✔
447	package += "\n" + prefix(indent + 1) + ":" + sym.string();	2✔
448	else
449	package += " :" + sym.string();	6✔
450	}	8✔
451	else
452	package += "\n" + formatComment(sym.comment(), indent + 1) + prefix(indent + 1) + ":" + sym.string();	6✔
453	}	14✔
454
455	if (comment_after_last)	10✔
456	{
457	package += " " + formatComment(sym_list.back().commentAfter(), /* indent= */ 0);	2✔
458	package += "\n" + prefix(indent + 1);	2✔
459	}	2✔
460	}	10✔
461	}
462
463	return fmt::format("(import{})", package);	20✔
464	}	20✔
465
466	std::string Formatter::formatDel(const Node& node, const std::size_t indent)	4✔
467	{	4✔
468	std::string formatted_sym = format(node.constList()[1], indent + 1, false);	4✔
469	if (formatted_sym.find('\n') != std::string::npos)	4✔
470	return fmt::format("(del\n{})", formatted_sym);	2✔
471	return fmt::format("(del {})", formatted_sym);	2✔
472	}	4✔
473
474	std::string Formatter::formatCall(const Node& node, const std::size_t indent)	200✔
475	{	200✔
476	bool is_list = false;	200✔
477	if (!node.constList().empty() && node.constList().front().nodeType() == NodeType::Symbol &&	374✔
478	node.constList().front().string() == "list")	174✔
479	is_list = true;	4✔
480
481	bool is_multiline = false;	200✔
482
483	std::vector<std::string> formatted_args;	200✔
484	for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)	516✔
485	{
486	formatted_args.push_back(format(node.constList()[i], indent, false));	316✔
487	// if we have at least one argument taking multiple lines, split them all on their own line
488	if (formatted_args.back().find('\n') != std::string::npos \|\| !node.constList()[i].commentAfter().empty())	316✔
489	is_multiline = true;	12✔
490	}	316✔
491
492	std::string output = is_list ? "[" : ("(" + format(node.constList()[0], indent, false));	200✔
493	for (std::size_t i = 0, end = formatted_args.size(); i < end; ++i)	516✔
494	{
495	const std::string formatted_node = formatted_args[i];	316✔
496	if (is_multiline)	316✔
497	output += "\n" + format(node.constList()[i + 1], indent + 1, true);	20✔
498	else
499	output += (is_list && i == 0 ? "" : " ") + formatted_node;	296✔
500	}	316✔
501	if (!node.constList().back().commentAfter().empty())	200✔
502	output += "\n" + prefix(indent);	6✔
503	output += is_list ? "]" : ")";	200✔
504	return output;	200✔
505	}	200✔
506
507	std::string Formatter::formatMacro(const Node& node, const std::size_t indent)	20✔
508	{	20✔
509	if (isListStartingWithKeyword(node, Keyword::If))	20✔
510	return formatCondition(node, indent, /* is_macro= */ true);	6✔
511
512	std::string output = "($ ";	14✔
513	bool after_newline = false;	14✔
514
515	for (std::size_t i = 0, end = node.constList().size(); i < end; ++i)	54✔
516	{
517	output += format(node.constList()[i], indent + 1, after_newline);	40✔
518	after_newline = false;	40✔
519
520	if (!node.constList()[i].commentAfter().empty())	40✔
521	{
522	output += "\n";	4✔
523	after_newline = true;	4✔
524	}	4✔
525	else if (i != end - 1)	36✔
526	output += " ";	24✔
527	}	40✔
528
529	return output + ")";	14✔
530	}	20✔

ArkScript-lang / Ark / 11445793250

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