20132698241

Committed 11 Dec 2025 12:12PM UTC coverage: 90.722% (+0.1%) from 90.587%

Build # 20132698241

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push

github

Committed by

SuperFola

Commit Message

chore(tests): update expected tests

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89.47

/src/arkreactor/Error/Diagnostics.cpp

#include <Ark/Error/Diagnostics.hpp>

#include <cassert>
#include <sstream>
#include <algorithm>
#include <fmt/color.h>
#include <fmt/ostream.h>

#include <Ark/Constants.hpp>
#include <Ark/Utils/Utils.hpp>
#include <Ark/Utils/Literals.hpp>
#include <Ark/Compiler/AST/Node.hpp>
#include <Ark/Error/PrettyPrinting.hpp>

namespace Ark::Diagnostics
{
    using namespace Ark::literals;

    void showFileLocation(std::ostream& os, const ErrorLocation& loc)
    {
        if (loc.filename != ARK_NO_NAME_FILE)
            fmt::print(os, "In file {}:{}\n", loc.filename, loc.start.line + 1);
    }

    void hintWithContext(std::ostream& os, const std::optional<CodeErrorContext>& maybe_context, const bool colorize, const bool start)
    {
        if (!maybe_context)
            return;

        fmt::print(os, "{}", Printer::GhostLinePrefix);
        fmt::print(
            os,
            "{: <{}}{}\n",
            // padding os spaces
            " ",
            std::max(1_z, maybe_context->at.start.column),  // fixing padding when the error is on the first character
            // underline the parent of the error in red
            fmt::styled(
                start
                    ? (maybe_context->is_macro_expansion ? "┌─ macro expansion started here" : "┌─ expression started here")
                    : "└─ ... and ended here",
                colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));
    }

    void makeContext(
        const ErrorLocation& loc,
        std::ostream& os,
        const std::optional<CodeErrorContext>& maybe_context,  // can not be populated at runtime, only compile time
        const bool colorize)
    {
        assert(!(maybe_context && loc.wholeLineIsError()) && "Can not create error context when a context is given AND the whole line has to be underlined");

        Printer source_printer(loc.filename, loc.start.line, loc.maybeEndLine(), colorize);
        if (!source_printer.hasContent())
        {
            showFileLocation(os, loc);
            return;
        }

        const bool ctx_same_file = maybe_context && maybe_context->filename == loc.filename;
        const bool ctx_in_window = ctx_same_file && maybe_context && source_printer.coversLine(maybe_context->at.start.line);

        if (ctx_same_file && !ctx_in_window)
            source_printer.extendWindow(maybe_context->at.start.line);
        else if (maybe_context && !ctx_same_file && !maybe_context->filename.empty())
        {
            // show the location of the parent of our error first
            fmt::print(os, "Error originated from file {}:{}\n", maybe_context->filename, maybe_context->at.start.line + 1);

            std::optional<decltype(internal::FilePos::line)> maybe_end_line = std::nullopt;
            if (maybe_context->at.end)
                maybe_end_line = maybe_context->at.end->line;
            Printer printer(maybe_context->filename, maybe_context->at.start.line, maybe_end_line, colorize);

            while (printer.hasContent())
            {
                if (printer.isNextLineTheFirstLineOfTarget())
                    hintWithContext(os, maybe_context, colorize, /* start= */ true);
                printer.printLine(os);
                if (printer.isLastLineOfTarget())
                    hintWithContext(os, maybe_context, colorize, /* start= */ false);
            }

            fmt::print(os, "\n");
        }

        showFileLocation(os, loc);

        while (source_printer.hasContent())
        {
            const std::size_t i = source_printer.current();
            const std::string& line = source_printer.currentLine();

            // if the error context is in the current file, point to it as the parent of our error
            if (ctx_same_file && i == maybe_context->at.start.line && i < loc.start.line)
                hintWithContext(os, maybe_context, colorize, /* start= */ true);
            source_printer.printLine(os);

            // show where the error occurred
            if (source_printer.isTargetLine() && !line.empty())
            {
                if (!loc.wholeLineIsError())
                {
                    const std::size_t line_first_char = (line.find_first_not_of(" \t\v") == std::string::npos) ? 0 : line.find_first_not_of(" \t\v");

                    const std::size_t col_start = (i == loc.start.line) ? loc.start.column : line_first_char + 1;
                    // due to the `!loc.wholeLineIsError()` check, we are guaranteed to have a value in loc.end
                    const std::size_t col_end = (i == loc.end->line) ? loc.end->column : line.size();

                    // ignore the last line that is sometimes erroneous in multiline contexts
                    if (i == loc.end->line && loc.end->line != loc.start.line && col_start >= col_end)
                        continue;
                    fmt::print(os, "{}", Printer::GhostLinePrefix);

                    // show the error where it's at, using the normal process, if there is no context OR
                    // if the context line is different from the error line
                    if (!maybe_context || maybe_context->at.start.line != loc.start.line)
                        fmt::print(
                            os,
                            "{: <{}}{:~<{}}\n",
                            // padding of spaces
                            " ",
                            std::max(1_z, std::min(col_start, col_end)),  // fixing padding when the error is on the first character
                            // underline the error in red
                            fmt::styled("^", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()),
                            col_start < col_end ? col_end - col_start : 1);
                    // cppcheck-suppress knownConditionTrueFalse ; suppressing error so that the condition is explicit to the reader
                    else if (maybe_context && maybe_context->at.start.line == loc.start.line && i == loc.start.line)
                    {
                        const auto padding_size = std::max(1_z, maybe_context->at.start.column);
                        const std::string inner_padding =
                            // -2 to account for the │ and then └
                            (loc.start.column < padding_size || loc.start.column - padding_size < 2)
                            ? ""
                            : std::string(std::max(1_z, loc.start.column - padding_size - 1), ' ');

                        fmt::print(
                            os,
                            "{: <{}}{}{}{}\n",
                            // padding of spaces
                            " ",
                            padding_size,
                            // indicate where the parent is, with color
                            fmt::styled("│", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()),
                            // yet another padding of spaces between the parent and error column (if need be)
                            inner_padding,
                            // underline the error in red
                            fmt::styled("└─ error", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));
                        // new line, some spacing between the error and the parent
                        fmt::print(
                            os,
                            "{}{: <{}}{}\n", Printer::GhostLinePrefix,
                            " ",
                            padding_size,
                            fmt::styled("│", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));
                        // new line, now show the "expression started here for the source"
                        fmt::print(
                            os,
                            "{}{: <{}}{}\n",
                            Printer::GhostLinePrefix,
                            // padding of spaces
                            " ",
                            padding_size,
                            fmt::styled(
                                maybe_context->is_macro_expansion ? "└─ macro expansion started here" : "└─ expression started here",
                                colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));
                    }
                }
                else
                {
                    fmt::print(os, "{}", Printer::GhostLinePrefix);

                    // first non-whitespace character of the line
                    // +1 for the leading whitespace after `    |` before the code
                    const std::size_t col_start = line.find_first_not_of(" \t\v") + 1;

                    // highlight the current line but skip any leading whitespace
                    fmt::print(
                        os,
                        "{: <{}}{:~<{}}\n",
                        // padding of spaces
                        " ",
                        col_start,
                        // underline the whole line in red
                        fmt::styled("^", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()),
                        line.size() - col_start);
                }
            }
        }
    }

    void helper(std::ostream& os, const std::string& message, const bool colorize,
                const std::string& filename, const internal::FileSpan& at,
                const std::optional<CodeErrorContext>& maybe_context = std::nullopt)
    {
        makeContext(
            ErrorLocation {
                .filename = filename,
                .start = at.start,
                .end = at.end },
            os, maybe_context, colorize);

        for (const auto& text : Utils::splitString(message, '\n'))
            fmt::print(os, "        {}\n", text);
    }

    std::string makeContextWithNode(const std::string& message, const internal::Node& node)
    {
        std::stringstream ss;

        helper(
            ss,
            message,
            true,
            node.filename(),
            node.position());

        return ss.str();
    }

    void generate(const CodeError& e, std::ostream& os, bool colorize)
    {
#ifdef ARK_BUILD_EXE
        if (const char* nocolor = std::getenv("NOCOLOR"); nocolor != nullptr)
            colorize = false;
#endif

        helper(
            os,
            e.what(),
            colorize,
            e.context.filename,
            e.context.at,
            e.additional_context);
    }
}

1	#include <Ark/Error/Diagnostics.hpp>
2
3	#include <cassert>
4	#include <sstream>
5	#include <algorithm>
6	#include <fmt/color.h>
7	#include <fmt/ostream.h>
8
9	#include <Ark/Constants.hpp>
10	#include <Ark/Utils/Utils.hpp>
11	#include <Ark/Utils/Literals.hpp>
12	#include <Ark/Compiler/AST/Node.hpp>
13	#include <Ark/Error/PrettyPrinting.hpp>
14
15	namespace Ark::Diagnostics
16	{
17	using namespace Ark::literals;
18
19	void showFileLocation(std::ostream& os, const ErrorLocation& loc)	273✔
20	{	273✔
21	if (loc.filename != ARK_NO_NAME_FILE)	273✔
22	fmt::print(os, "In file {}:{}\n", loc.filename, loc.start.line + 1);	273✔
23	}	273✔
24
25	void hintWithContext(std::ostream& os, const std::optional<CodeErrorContext>& maybe_context, const bool colorize, const bool start)	12✔
26	{	12✔
27	if (!maybe_context)	12✔
28	return;	×
29
30	fmt::print(os, "{}", Printer::GhostLinePrefix);	12✔
31	fmt::print(	36✔
32	os,	12✔
33	"{: <{}}{}\n",	12✔
34	// padding os spaces
35	" ",
36	std::max(1_z, maybe_context->at.start.column), // fixing padding when the error is on the first character	12✔
37	// underline the parent of the error in red
38	fmt::styled(	24✔
39	start	23✔
40	? (maybe_context->is_macro_expansion ? "┌─ macro expansion started here" : "┌─ expression started here")	11✔
41	: "└─ ... and ended here",
42	colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));	12✔
43	}	12✔
44
45	void makeContext(	273✔
46	const ErrorLocation& loc,
47	std::ostream& os,
48	const std::optional<CodeErrorContext>& maybe_context, // can not be populated at runtime, only compile time
49	const bool colorize)
50	{	273✔
51	assert(!(maybe_context && loc.wholeLineIsError()) && "Can not create error context when a context is given AND the whole line has to be underlined");	273✔
52
53	Printer source_printer(loc.filename, loc.start.line, loc.maybeEndLine(), colorize);	273✔
54	if (!source_printer.hasContent())	273✔
55	{
56	showFileLocation(os, loc);	×
57	return;	×
58	}
59
60	const bool ctx_same_file = maybe_context && maybe_context->filename == loc.filename;	273✔
61	const bool ctx_in_window = ctx_same_file && maybe_context && source_printer.coversLine(maybe_context->at.start.line);	273✔
62
63	if (ctx_same_file && !ctx_in_window)	273✔
64	source_printer.extendWindow(maybe_context->at.start.line);	3✔
65	else if (maybe_context && !ctx_same_file && !maybe_context->filename.empty())	270✔
66	{
67	// show the location of the parent of our error first
68	fmt::print(os, "Error originated from file {}:{}\n", maybe_context->filename, maybe_context->at.start.line + 1);	1✔
69
70	std::optional<decltype(internal::FilePos::line)> maybe_end_line = std::nullopt;	1✔
71	if (maybe_context->at.end)	1✔
72	maybe_end_line = maybe_context->at.end->line;	1✔
73	Printer printer(maybe_context->filename, maybe_context->at.start.line, maybe_end_line, colorize);	1✔
74
75	while (printer.hasContent())	5✔
76	{
77	if (printer.isNextLineTheFirstLineOfTarget())	4✔
78	hintWithContext(os, maybe_context, colorize, /* start= */ true);	1✔
79	printer.printLine(os);	4✔
80	if (printer.isLastLineOfTarget())	4✔
81	hintWithContext(os, maybe_context, colorize, /* start= */ false);	1✔
82	}
83
84	fmt::print(os, "\n");	1✔
85	}	1✔
86
87	showFileLocation(os, loc);	273✔
88
89	while (source_printer.hasContent())	986✔
90	{
91	const std::size_t i = source_printer.current();	713✔
92	const std::string& line = source_printer.currentLine();	713✔
93
94	// if the error context is in the current file, point to it as the parent of our error
95	if (ctx_same_file && i == maybe_context->at.start.line && i < loc.start.line)	713✔
96	hintWithContext(os, maybe_context, colorize, /* start= */ true);	10✔
97	source_printer.printLine(os);	713✔
98
99	// show where the error occurred
100	if (source_printer.isTargetLine() && !line.empty())	713✔
101	{
102	if (!loc.wholeLineIsError())	276✔
103	{
104	const std::size_t line_first_char = (line.find_first_not_of(" \t\v") == std::string::npos) ? 0 : line.find_first_not_of(" \t\v");	141✔
105
106	const std::size_t col_start = (i == loc.start.line) ? loc.start.column : line_first_char + 1;	141✔
107	// due to the `!loc.wholeLineIsError()` check, we are guaranteed to have a value in loc.end
108	const std::size_t col_end = (i == loc.end->line) ? loc.end->column : line.size();	141✔
109
110	// ignore the last line that is sometimes erroneous in multiline contexts
111	if (i == loc.end->line && loc.end->line != loc.start.line && col_start >= col_end)	141✔
112	continue;	3✔
113	fmt::print(os, "{}", Printer::GhostLinePrefix);	138✔
114
115	// show the error where it's at, using the normal process, if there is no context OR
116	// if the context line is different from the error line
117	if (!maybe_context \|\| maybe_context->at.start.line != loc.start.line)	138✔
118	fmt::print(	372✔
119	os,	124✔
120	"{: <{}}{:~<{}}\n",	124✔
121	// padding of spaces
122	" ",
123	std::max(1_z, std::min(col_start, col_end)), // fixing padding when the error is on the first character	124✔
124	// underline the error in red
125	fmt::styled("^", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()),	124✔
126	col_start < col_end ? col_end - col_start : 1);	124✔
127	// cppcheck-suppress knownConditionTrueFalse ; suppressing error so that the condition is explicit to the reader
128	else if (maybe_context && maybe_context->at.start.line == loc.start.line && i == loc.start.line)	14✔
129	{
130	const auto padding_size = std::max(1_z, maybe_context->at.start.column);	14✔
131	const std::string inner_padding =	14✔
132	// -2 to account for the │ and then └
133	(loc.start.column < padding_size \|\| loc.start.column - padding_size < 2)	26✔
134	? ""	2✔
135	: std::string(std::max(1_z, loc.start.column - padding_size - 1), ' ');	12✔
136
137	fmt::print(	28✔
138	os,	14✔
139	"{: <{}}{}{}{}\n",	14✔
140	// padding of spaces
141	" ",
142	padding_size,
143	// indicate where the parent is, with color
144	fmt::styled("│", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()),	14✔
145	// yet another padding of spaces between the parent and error column (if need be)
146	inner_padding,
147	// underline the error in red
148	fmt::styled("└─ error", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));	14✔
149	// new line, some spacing between the error and the parent
150	fmt::print(	28✔
151	os,	14✔
152	"{}{: <{}}{}\n", Printer::GhostLinePrefix,	14✔
153	" ",
154	padding_size,
155	fmt::styled("│", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));	14✔
156	// new line, now show the "expression started here for the source"
157	fmt::print(	28✔
158	os,	14✔
159	"{}{: <{}}{}\n",	14✔
160	Printer::GhostLinePrefix,
161	// padding of spaces
162	" ",
163	padding_size,
164	fmt::styled(	28✔
165	maybe_context->is_macro_expansion ? "└─ macro expansion started here" : "└─ expression started here",	14✔
166	colorize ? fmt::fg(fmt::color::red) : fmt::text_style()));	14✔
167	}	14✔
168	}	141✔
169	else
170	{
171	fmt::print(os, "{}", Printer::GhostLinePrefix);	135✔
172
173	// first non-whitespace character of the line
174	// +1 for the leading whitespace after ` \|` before the code
175	const std::size_t col_start = line.find_first_not_of(" \t\v") + 1;	135✔
176
177	// highlight the current line but skip any leading whitespace
178	fmt::print(	270✔
179	os,	135✔
180	"{: <{}}{:~<{}}\n",	135✔
181	// padding of spaces
182	" ",
183	col_start,
184	// underline the whole line in red
185	fmt::styled("^", colorize ? fmt::fg(fmt::color::red) : fmt::text_style()),	135✔
186	line.size() - col_start);	135✔
187	}	135✔
188	}	273✔
189	}	713✔
190	}	273✔
191
192	void helper(std::ostream& os, const std::string& message, const bool colorize,	144✔
193	const std::string& filename, const internal::FileSpan& at,
194	const std::optional<CodeErrorContext>& maybe_context = std::nullopt)
195	{	144✔
196	makeContext(	288✔
197	ErrorLocation {	144✔
198	.filename = filename,	144✔
199	.start = at.start,	144✔
200	.end = at.end },	144✔
201	os, maybe_context, colorize);	144✔
202
203	for (const auto& text : Utils::splitString(message, '\n'))	288✔
204	fmt::print(os, " {}\n", text);	144✔
205	}	144✔
206
207	std::string makeContextWithNode(const std::string& message, const internal::Node& node)	×
208	{	×
209	std::stringstream ss;	×
210
211	helper(	×
212	ss,	×
213	message,	×
214	true,
215	node.filename(),	×
216	node.position());	×
217
218	return ss.str();	×
219	}	×
220
221	void generate(const CodeError& e, std::ostream& os, bool colorize)	144✔
222	{	144✔
223	#ifdef ARK_BUILD_EXE
224	if (const char* nocolor = std::getenv("NOCOLOR"); nocolor != nullptr)	144✔
225	colorize = false;	×
226	#endif
227
228	helper(	432✔
229	os,	144✔
230	e.what(),	144✔
231	colorize,	144✔
232	e.context.filename,	144✔
233	e.context.at,	144✔
234	e.additional_context);	144✔
235	}	144✔
236	}

ArkScript-lang / Ark / 20132698241

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