103 lines
3.9 KiB
C++
103 lines
3.9 KiB
C++
#include <error.hh>
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#include <exception>
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#include <iostream>
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namespace xlang {
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void ErrorListener::printError(size_t line, size_t charPositionInLine,
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std::string_view msg) {
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std::cerr << file << ":" << line << ":" << charPositionInLine + 1 << ": "
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<< msg << std::endl;
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has_error = true;
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}
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ErrorListener::ErrorListener(std::string_view inputfile)
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: file{inputfile}, has_error{false} {}
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bool ErrorListener::hasError() {
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return has_error;
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}
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void ErrorListener::breakTooMany(antlr4::Token *token, size_t num, size_t max) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"tried to break " + std::to_string(num) + " loops, but only " +
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std::to_string(max) + " surrounding loops");
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}
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void ErrorListener::breakZero(antlr4::Token *token) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"tried to break zero loops");
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}
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void ErrorListener::compilerError(const std::string &file, size_t line) {
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std::cerr << "compiler bug in " << file << ":" << line << std::endl;
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std::terminate();
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}
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void ErrorListener::continueTooMany(antlr4::Token *token, size_t num,
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size_t max) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"tried to continue " + std::to_string(num) + " loops, but only " +
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std::to_string(max) + " surrounding loops");
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}
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void ErrorListener::continueZero(antlr4::Token *token) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"tried to continue zero loops");
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}
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void ErrorListener::duplicateFunction(antlr4::Token *token,
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const std::string &name) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"duplicate function '" + name + "'");
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}
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void ErrorListener::loopControlWithoutLoop(antlr4::Token *token) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"loop control statement without loop");
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}
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void ErrorListener::shadowedVariable(antlr4::Token *token,
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const std::string &name) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"definition of variable '" + name +
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"' shadows previously defined variable");
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}
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void ErrorListener::syntaxError([[maybe_unused]] antlr4::Recognizer *recognizer,
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[[maybe_unused]] antlr4::Token *offendingSymbol,
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size_t line, size_t charPositionInLine,
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const std::string &msg,
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[[maybe_unused]] std::exception_ptr e) {
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printError(line, charPositionInLine, msg);
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}
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void ErrorListener::typeMismatch(antlr4::Token *token, Type expected,
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Type actual) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"expected type '" + typeToString(expected) + "', but got '" +
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typeToString(actual) + "'");
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}
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void ErrorListener::unknownFunction(antlr4::Token *token,
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const std::string &name) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"unknown function '" + name + "'");
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}
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void ErrorListener::unknownVariable(antlr4::Token *token,
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const std::string &name) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"unknown variable '" + name + "'");
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}
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void ErrorListener::wrongArgumentNumber(antlr4::Token *token,
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const std::string &name,
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size_t expected, size_t actual) {
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printError(token->getLine(), token->getCharPositionInLine(),
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"function '" + name + "' expects " + std::to_string(expected) +
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" arguments, but got " + std::to_string(actual));
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}
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} // namespace xlang
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