16006312604

Committed 01 Jul 2025 05:39PM UTC coverage: 86.665% (+0.002%) from 86.663%

Build # 16006312604

Build Type

push

github

Committed by

SuperFola

Commit Message

fix(emscripten playground): better capture of console.log output

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7279 of 8399 relevant lines covered (86.67%)

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Source File
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94.07

/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(const 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 result;
    if (!node.comment().empty())
    {
        result += formatComment(node.comment(), indent);
        after_newline = true;
    }
    if (after_newline)
        result += prefix(indent);

    switch (node.nodeType())
    {
        case NodeType::Symbol:
            result += node.string();
            break;
        case NodeType::Capture:
            result += "&" + node.string();
            break;
        case NodeType::Keyword:
            result += std::string(keywords[static_cast<std::size_t>(node.keyword())]);
            break;
        case NodeType::String:
            result += fmt::format("\"{}\"", node.string());
            break;
        case NodeType::Number:
            result += fmt::format("{}", node.number());
            break;
        case NodeType::List:
            result += formatBlock(node, indent, after_newline);
            break;
        case NodeType::Spread:
            result += 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);
            result += field;
            break;
        }
        case NodeType::Macro:
            result += formatMacro(node, indent);
            break;
        // not handling Namespace nor Unused node types as those can not be generated by the parser
        case NodeType::Namespace:
            [[fallthrough]];
        case NodeType::Unused:
            break;
    }

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

    return result;
}

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

    return result;
}

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;
        const bool split = shouldSplitOnNewline(args_node);

        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 || split) ? 1 : 0), i > 0 && (comment_in_args || split));
            if (i != end - 1)
                args += (comment_in_args || split) ? '\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 result = "{\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)
            result += "\n";

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

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

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 result = 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)
            result += "\n" + format(node.constList()[i + 1], indent + 1, true);
        else
            result += (is_list && i == 0 ? "" : " ") + formatted_node;
    }
    if (!node.constList().back().commentAfter().empty())
        result += "\n" + prefix(indent);
    result += is_list ? "]" : ")";
    return result;
}

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 result = "(macro ";
    bool after_newline = false;

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

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

    return result + ")";
}

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(const bool dry_run) :	44 ✔
15	m_dry_run(dry_run), m_parser(/* debug= / 0, / interpret= */ false), m_updated(false)	22 ✔
16	{}	44 ✔
17
18	Formatter::Formatter(std::string filename, const bool dry_run) :	44 ✔
19	m_filename(std::move(filename)), m_dry_run(dry_run), m_parser(/* debug= / 0, / interpret= */ false), m_updated(false)	22 ✔
20	{}	44 ✔
21
22	void Formatter::run()	22 ✔
23	{	22 ✔
24	try
25	{
26	const std::string code = Utils::readFile(m_filename);	22 ✔
27	m_parser.process(m_filename, code);	22 ✔
28	processAst(m_parser.ast());	22 ✔
29	warnIfCommentsWereRemoved(code, ARK_NO_NAME_FILE);	22 ✔
30
31	m_updated = code != m_output;	22 ✔
32	}	22 ✔
33	catch (const CodeError& e)
34	{
35	Diagnostics::generate(e);	×
36	}	22 ✔
37	}	22 ✔
38
39	void Formatter::runWithString(const std::string& code)	22 ✔
40	{	22 ✔
41	try
42	{
43	m_parser.process(ARK_NO_NAME_FILE, code);	22 ✔
44	processAst(m_parser.ast());	22 ✔
45	warnIfCommentsWereRemoved(code, ARK_NO_NAME_FILE);	22 ✔
46
47	m_updated = code != m_output;	22 ✔
48	}	22 ✔
49	catch (const CodeError& e)
50	{
51	Diagnostics::generate(e);	×
52	}	22 ✔
53	}	22 ✔
54
55	const std::string& Formatter::output() const	44 ✔
56	{	44 ✔
57	return m_output;	44 ✔
58	}
59
60	bool Formatter::codeModified() const	×
61	{	×
62	return m_updated;	×
63	}
64
65	void Formatter::processAst(const Node& ast)	44 ✔
66	{	44 ✔
67	// remove useless surrounding begin (generated by the parser)
68	if (isBeginBlock(ast))	44 ✔
69	{
70	for (std::size_t i = 1, end = ast.constList().size(); i < end; ++i)	180 ✔
71	{
72	const Node node = ast.constList()[i];	136 ✔
73	if (shouldAddNewLineBetweenNodes(ast, i) && !m_output.empty())	136 ✔
74	m_output += "\n";	20 ✔
75	m_output += format(node, 0, false) + "\n";	136 ✔
76	}	136 ✔
77	}	44 ✔
78	else
79	m_output = format(ast, 0, false);	×
80
81	if (!m_dry_run)	44 ✔
82	{
83	std::ofstream stream(m_filename);	×
84	stream << m_output;	×
85	}	×
86	}	44 ✔
87
88	void Formatter::warnIfCommentsWereRemoved(const std::string& original_code, const std::string& filename)	44 ✔
89	{	44 ✔
90	if (std::ranges::count(original_code, '#') != std::ranges::count(m_output, '#'))	44 ✔
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	}	44 ✔
99
100	bool Formatter::isListStartingWithKeyword(const Node& node, const Keyword keyword)	294 ✔
101	{	294 ✔
102	return node.isListLike() && !node.constList().empty() && node.constList()[0].nodeType() == NodeType::Keyword && node.constList()[0].keyword() == keyword;	294 ✔
103	}
104
105	bool Formatter::isBeginBlock(const Node& node)	210 ✔
106	{	210 ✔
107	return isListStartingWithKeyword(node, Keyword::Begin);	210 ✔
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)	142 ✔
116	{	142 ✔
117	return node.isListLike() && !node.constList().empty() && node.constList()[0].nodeType() == NodeType::Symbol;	142 ✔
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	}	186 ✔
129	return node.line();	136 ✔
130	}	322 ✔
131
132	bool Formatter::shouldSplitOnNewline(const Node& node)	176 ✔
133	{	176 ✔
134	const std::string formatted = format(node, 0, false);	176 ✔
135	const std::string::size_type sz = formatted.find_first_of('\n');	176 ✔
136
137	const bool is_long_line = !((sz < FormatterConfig::LongLineLength \|\| (sz == std::string::npos && formatted.size() < FormatterConfig::LongLineLength)));	176 ✔
138	if (node.comment().empty() && (isBeginBlock(node) \|\| isFuncCall(node)))	176 ✔
139	return false;	64 ✔
140	if (is_long_line \|\| (node.isListLike() && node.constList().size() > 1) \|\| !node.comment().empty())	112 ✔
141	return true;	24 ✔
142	return false;	88 ✔
143	}	176 ✔
144
145	bool Formatter::shouldAddNewLineBetweenNodes(const Node& node, const std::size_t at)	230 ✔
146	{	230 ✔
147	if (at <= 1)	230 ✔
148	return false;	94 ✔
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())	136 ✔
160	return true;	18 ✔
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())	118 ✔
164	return true;	2 ✔
165	return false;	116 ✔
166	}	230 ✔
167
168	std::string Formatter::format(const Node& node, std::size_t indent, bool after_newline)	1,510 ✔
169	{	1,510 ✔
170	std::string result;	1,510 ✔
171	if (!node.comment().empty())	1,510 ✔
172	{
173	result += formatComment(node.comment(), indent);	66 ✔
174	after_newline = true;	66 ✔
175	}	66 ✔
176	if (after_newline)	1,510 ✔
177	result += prefix(indent);	262 ✔
178
179	switch (node.nodeType())	1,510 ✔
180	{	702 ✔
181	case NodeType::Symbol:
182	result += node.string();	702 ✔
183	break;	780 ✔
184	case NodeType::Capture:
185	result += "&" + node.string();	78 ✔
186	break;	78 ✔
187	case NodeType::Keyword:
188	result += std::string(keywords[static_cast<std::size_t>(node.keyword())]);	×
189	break;	42 ✔
190	case NodeType::String:
191	result += fmt::format("\"{}\"", node.string());	42 ✔
192	break;	206 ✔
193	case NodeType::Number:
194	result += fmt::format("{}", node.number());	164 ✔
195	break;	636 ✔
196	case NodeType::List:
197	result += formatBlock(node, indent, after_newline);	472 ✔
198	break;	486 ✔
199	case NodeType::Spread:
200	result += 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	result += field;	18 ✔
208	break;
209	}	38 ✔
210	case NodeType::Macro:
211	result += formatMacro(node, indent);	20 ✔
212	break;	20 ✔
213	// not handling Namespace nor Unused node types as those can not be generated by the parser
214	case NodeType::Namespace:
215	[[fallthrough]];
216	case NodeType::Unused:
217	break;	×
218	}	1,510 ✔
219
220	if (!node.commentAfter().empty())	1,510 ✔
221	result += " " + formatComment(node.commentAfter(), /* indent= */ 0);	40 ✔
222
223	return result;	1,510 ✔
224	}	1,510 ✔
225
226	std::string Formatter::formatComment(const std::string& comment, const std::size_t indent) const	118 ✔
227	{	118 ✔
228	std::string result = prefix(indent);	118 ✔
229	for (std::size_t i = 0, end = comment.size(); i < end; ++i)	1,724 ✔
230	{
231	result += comment[i];	1,606 ✔
232	if (comment[i] == '\n' && i != end - 1)	1,606 ✔
233	result += prefix(indent);	6 ✔
234	}	1,606 ✔
235
236	return result;	118 ✔
237	}	118 ✔
238
239	std::string Formatter::formatBlock(const Node& node, const std::size_t indent, const bool after_newline)	472 ✔
240	{	472 ✔
241	if (node.constList().empty())	472 ✔
242	return "()";	24 ✔
243
244	const Node first = node.constList().front();	448 ✔
245	if (first.nodeType() == NodeType::Keyword)	448 ✔
246	{
247	switch (first.keyword())	230 ✔
248	{	32 ✔
249	case Keyword::Fun:
250	return formatFunction(node, indent);	96 ✔
251	case Keyword::Let:
252	[[fallthrough]];
253	case Keyword::Mut:
254	[[fallthrough]];
255	case Keyword::Set:
256	return formatVariable(node, indent);	106 ✔
257	case Keyword::If:
258	return formatCondition(node, indent);	52 ✔
259	case Keyword::While:
260	return formatLoop(node, indent);	68 ✔
261	case Keyword::Begin:
262	return formatBegin(node, indent, after_newline);	78 ✔
263	case Keyword::Import:
264	return formatImport(node, indent);	24 ✔
265	case Keyword::Del:
266	return formatDel(node, indent);	4 ✔
267	}	×
268	// HACK: should never reach, but the compiler insists that the function doesn't return in every code path
269	return "";	×
270	}
271	return formatCall(node, indent);	218 ✔
272	}	472 ✔
273
274	std::string Formatter::formatFunction(const Node& node, const std::size_t indent)	32 ✔
275	{	32 ✔
276	const Node args_node = node.constList()[1];	32 ✔
277	const Node body_node = node.constList()[2];	32 ✔
278
279	std::string formatted_args;	32 ✔
280
281	if (!args_node.comment().empty())	32 ✔
282	{
283	formatted_args += "\n";	2 ✔
284	formatted_args += formatComment(args_node.comment(), indent + 1);	2 ✔
285	formatted_args += prefix(indent + 1);	2 ✔
286	}	2 ✔
287	else
288	formatted_args += " ";	30 ✔
289
290	if (args_node.isListLike())	32 ✔
291	{
292	bool comment_in_args = false;	30 ✔
293	std::string args;	30 ✔
294	const bool split = shouldSplitOnNewline(args_node);	30 ✔
295
296	for (std::size_t i = 0, end = args_node.constList().size(); i < end; ++i)	90 ✔
297	{
298	const Node arg_i = args_node.constList()[i];	60 ✔
299	if (!arg_i.comment().empty())	60 ✔
300	comment_in_args = true;	4 ✔
301
302	args += format(arg_i, indent + ((comment_in_args \|\| split) ? 1 : 0), i > 0 && (comment_in_args \|\| split));	102 ✔
303	if (i != end - 1)	60 ✔
304	args += (comment_in_args \|\| split) ? '\n' : ' ';	42 ✔
305	}	60 ✔
306
307	formatted_args += fmt::format("({}{})", (comment_in_args ? "\n" : ""), args);	30 ✔
308	}	30 ✔
309	else
310	formatted_args += format(args_node, indent, false);	2 ✔
311
312	if (!shouldSplitOnNewline(body_node) && args_node.comment().empty())	32 ✔
313	return fmt::format("(fun{} {})", formatted_args, format(body_node, indent + 1, false));	20 ✔
314	return fmt::format("(fun{}\n{})", formatted_args, format(body_node, indent + 1, true));	12 ✔
315	}	32 ✔
316
317	std::string Formatter::formatVariable(const Node& node, const std::size_t indent)	64 ✔
318	{	64 ✔
319	std::string keyword = std::string(keywords[static_cast<std::size_t>(node.constList()[0].keyword())]);	64 ✔
320
321	const Node body_node = node.constList()[2];	64 ✔
322	const std::string formatted_bind = format(node.constList()[1], indent, false);	64 ✔
323
324	// we don't want to add another indentation level here, because it would result in a (let a (fun ()\n{indent+=4}...))
325	if (isFuncDef(body_node))	64 ✔
326	return fmt::format("({} {} {})", keyword, formatted_bind, format(body_node, indent, false));	6 ✔
327	if (!shouldSplitOnNewline(body_node))	58 ✔
328	return fmt::format("({} {} {})", keyword, formatted_bind, format(body_node, indent + 1, false));	56 ✔
329	return fmt::format("({} {}\n{})", keyword, formatted_bind, format(body_node, indent + 1, true));	2 ✔
330	}	64 ✔
331
332	std::string Formatter::formatCondition(const Node& node, const std::size_t indent, const bool is_macro)	48 ✔
333	{	48 ✔
334	const Node cond_node = node.constList()[1];	48 ✔
335	const Node then_node = node.constList()[2];	48 ✔
336
337	bool cond_on_newline = false;	48 ✔
338	std::string formatted_cond = format(cond_node, indent + 1, false);	48 ✔
339	if (formatted_cond.find('\n') != std::string::npos)	48 ✔
340	cond_on_newline = true;	2 ✔
341
342	std::string if_cond_formatted = fmt::format(	96 ✔
343	"({}if{}{}",	48 ✔
344	is_macro ? "$" : "",	48 ✔
345	cond_on_newline ? "\n" : " ",	48 ✔
346	formatted_cond);
347
348	const bool split_then_newline = shouldSplitOnNewline(then_node);	48 ✔
349
350	// (if cond then)
351	if (node.constList().size() == 3)	48 ✔
352	{
353	if (cond_on_newline \|\| split_then_newline)	22 ✔
354	return fmt::format("{}\n{})", if_cond_formatted, format(then_node, indent + 1, true));	2 ✔
355	return fmt::format("{} {})", if_cond_formatted, format(then_node, indent + 1, false));	20 ✔
356	}
357	// (if cond then else)
358	return fmt::format(	26 ✔
359	"{}\n{}\n{}{})",	26 ✔
360	if_cond_formatted,
361	format(then_node, indent + 1, true),	26 ✔
362	format(node.constList()[3], indent + 1, true),	26 ✔
363	node.constList()[3].commentAfter().empty() ? "" : ("\n" + prefix(indent)));	26 ✔
364	}	48 ✔
365
366	std::string Formatter::formatLoop(const Node& node, const std::size_t indent)	10 ✔
367	{	10 ✔
368	const Node cond_node = node.constList()[1];	10 ✔
369	const Node body_node = node.constList()[2];	10 ✔
370
371	bool cond_on_newline = false;	10 ✔
372	std::string formatted_cond = format(cond_node, indent + 1, false);	10 ✔
373	if (formatted_cond.find('\n') != std::string::npos)	10 ✔
374	cond_on_newline = true;	2 ✔
375
376	if (cond_on_newline \|\| shouldSplitOnNewline(body_node))	10 ✔
377	return fmt::format(	8 ✔
378	"(while{}{}\n{})",	4 ✔
379	cond_on_newline ? "\n" : " ",	4 ✔
380	formatted_cond,
381	format(body_node, indent + 1, true));	4 ✔
382	return fmt::format(	6 ✔
383	"(while {} {})",	6 ✔
384	formatted_cond,
385	format(body_node, indent + 1, false));	6 ✔
386	}	10 ✔
387
388	std::string Formatter::formatBegin(const Node& node, const std::size_t indent, const bool after_newline)	58 ✔
389	{	58 ✔
390	// only the keyword begin is present
391	if (node.constList().size() == 1)	58 ✔
392	return "{}";	8 ✔
393
394	// after a new line, we need to increment our indentation level
395	// if the block is a top level one, we also need to increment indentation level
396	const std::size_t inner_indentation = indent + (after_newline ? 1 : 0) + (indent == 0 ? 1 : 0);	50 ✔
397
398	std::string result = "{\n";	50 ✔
399	// skip begin keyword
400	for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)	144 ✔
401	{
402	const Node child = node.constList()[i];	94 ✔
403	// we want to preserve the node grouping by the user, but remove useless duplicate new line
404	// but that shouldn't apply to the first node of the block
405	if (shouldAddNewLineBetweenNodes(node, i) && i > 1)	94 ✔
406	result += "\n";	×
407
408	result += format(child, inner_indentation, true);	94 ✔
409	if (i != end - 1)	94 ✔
410	result += "\n";	44 ✔
411	}	94 ✔
412
413	// if the last node has a comment, add a new line
414	if (!node.constList().empty() && !node.constList().back().commentAfter().empty())	50 ✔
415	result += "\n" + prefix(indent) + "}";	2 ✔
416	else
417	result += " }";	48 ✔
418	return result;	50 ✔
419	}	58 ✔
420
421	std::string Formatter::formatImport(const Node& node, const std::size_t indent)	20 ✔
422	{	20 ✔
423	const Node package_node = node.constList()[1];	20 ✔
424	std::string package;	20 ✔
425
426	if (!package_node.comment().empty())	20 ✔
427	package += "\n" + formatComment(package_node.comment(), indent + 1) + prefix(indent + 1);	2 ✔
428	else
429	package += " ";	18 ✔
430
431	for (std::size_t i = 0, end = package_node.constList().size(); i < end; ++i)	58 ✔
432	{
433	package += format(package_node.constList()[i], indent + 1, false);	38 ✔
434	if (i != end - 1)	38 ✔
435	package += ".";	18 ✔
436	}	38 ✔
437
438	const Node symbols = node.constList()[2];	20 ✔
439	if (symbols.nodeType() == NodeType::Symbol && symbols.string() == "*")	20 ✔
440	package += ":*";	2 ✔
441	else // symbols is a list
442	{
443	if (const auto& sym_list = symbols.constList(); !sym_list.empty())	28 ✔
444	{
445	const bool comment_after_last = !sym_list.back().commentAfter().empty();	10 ✔
446
447	for (const auto& sym : sym_list)	24 ✔
448	{
449	if (sym.comment().empty())	14 ✔
450	{
451	if (comment_after_last)	8 ✔
452	package += "\n" + prefix(indent + 1) + ":" + sym.string();	2 ✔
453	else
454	package += " :" + sym.string();	6 ✔
455	}	8 ✔
456	else
457	package += "\n" + formatComment(sym.comment(), indent + 1) + prefix(indent + 1) + ":" + sym.string();	6 ✔
458	}	14 ✔
459
460	if (comment_after_last)	10 ✔
461	{
462	package += " " + formatComment(sym_list.back().commentAfter(), /* indent= */ 0);	2 ✔
463	package += "\n" + prefix(indent + 1);	2 ✔
464	}	2 ✔
465	}	10 ✔
466	}
467
468	return fmt::format("(import{})", package);	20 ✔
469	}	20 ✔
470
471	std::string Formatter::formatDel(const Node& node, const std::size_t indent)	4 ✔
472	{	4 ✔
473	std::string formatted_sym = format(node.constList()[1], indent + 1, false);	4 ✔
474	if (formatted_sym.find('\n') != std::string::npos)	4 ✔
475	return fmt::format("(del\n{})", formatted_sym);	2 ✔
476	return fmt::format("(del {})", formatted_sym);	2 ✔
477	}	4 ✔
478
479	std::string Formatter::formatCall(const Node& node, const std::size_t indent)	218 ✔
480	{	218 ✔
481	bool is_list = false;	218 ✔
482	if (!node.constList().empty() && node.constList().front().nodeType() == NodeType::Symbol &&	408 ✔
483	node.constList().front().string() == "list")	190 ✔
484	is_list = true;	4 ✔
485
486	bool is_multiline = false;	218 ✔
487
488	std::vector<std::string> formatted_args;	218 ✔
489	for (std::size_t i = 1, end = node.constList().size(); i < end; ++i)	576 ✔
490	{
491	formatted_args.push_back(format(node.constList()[i], indent, false));	358 ✔
492	// if we have at least one argument taking multiple lines, split them all on their own line
493	if (formatted_args.back().find('\n') != std::string::npos \|\| !node.constList()[i].commentAfter().empty())	358 ✔
494	is_multiline = true;	14 ✔
495	}	358 ✔
496
497	std::string result = is_list ? "[" : ("(" + format(node.constList()[0], indent, false));	218 ✔
498	for (std::size_t i = 0, end = formatted_args.size(); i < end; ++i)	576 ✔
499	{
500	const std::string formatted_node = formatted_args[i];	358 ✔
501	if (is_multiline)	358 ✔
502	result += "\n" + format(node.constList()[i + 1], indent + 1, true);	24 ✔
503	else
504	result += (is_list && i == 0 ? "" : " ") + formatted_node;	334 ✔
505	}	358 ✔
506	if (!node.constList().back().commentAfter().empty())	218 ✔
507	result += "\n" + prefix(indent);	6 ✔
508	result += is_list ? "]" : ")";	218 ✔
509	return result;	218 ✔
510	}	218 ✔
511
512	std::string Formatter::formatMacro(const Node& node, const std::size_t indent)	20 ✔
513	{	20 ✔
514	if (isListStartingWithKeyword(node, Keyword::If))	20 ✔
515	return formatCondition(node, indent, /* is_macro= */ true);	6 ✔
516
517	std::string result = "(macro ";	14 ✔
518	bool after_newline = false;	14 ✔
519
520	for (std::size_t i = 0, end = node.constList().size(); i < end; ++i)	54 ✔
521	{
522	result += format(node.constList()[i], indent + 1, after_newline);	40 ✔
523	after_newline = false;	40 ✔
524
525	if (!node.constList()[i].commentAfter().empty())	40 ✔
526	{
527	result += "\n";	4 ✔
528	after_newline = true;	4 ✔
529	}	4 ✔
530	else if (i != end - 1)	36 ✔
531	result += " ";	24 ✔
532	}	40 ✔
533
534	return result + ")";	14 ✔
535	}	20 ✔

ArkScript-lang / Ark / 16006312604

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