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Support printing multiline error context in interpreter

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This commit is contained in:
Nikita Lisitsa 2026-03-13 13:39:28 +03:00
parent 902d272deb
commit 11656fb296
1 changed files with 11 additions and 2 deletions
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13
apps/interpreter/source/main.cpp
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@ -45,10 +45,10 @@ std::size_t replace_tabs_with_spaces(std::string & str, std::size_t count)
void print_error_context(std::filesystem::path const & file, pslang::ast::location const & location)
{
std::size_t max_line_number_digits = std::floor(std::log10(location.end.line)) + 1;
if (location.begin.line == location.end.line)
{
std::size_t max_line_number_digits = std::floor(std::log10(location.begin.line)) + 1;
auto line = extract_nth_line(file, location.begin.line);
auto extra = replace_tabs_with_spaces(line, 2);
@ -57,6 +57,15 @@ void print_error_context(std::filesystem::path const & file, pslang::ast::locati
std::cerr << line << std::endl;
std::cerr << std::string(std::max<std::size_t>(location.begin.column, 1) - 1 + max_line_number_digits + 7 + extra, ' ') << std::string(location.end.column - location.begin.column, '^') << std::endl;
}
else
{
std::cerr << std::endl;
for (std::size_t line = location.begin.line; line <= location.end.line; ++line)
{
std::cerr << "line " << std::setw(max_line_number_digits) << std::right << line << ": ";
std::cerr << extract_nth_line(file, line) << std::endl;
}
}
}
int main(int argc, char ** argv)