57 lines
2.9 KiB
C++
57 lines
2.9 KiB
C++
#include <vector>
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#include <string>
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#include <iostream>
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using namespace std;
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#include "include/errors.h"
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#include "include/colors.h"
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#include "include/tokenize.h"
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string UserError::get_message(void) const {
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switch (this->type) {
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case ErrorType::NotImplemented: return "Not implemented";
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case ErrorType::UnknownToken: return "Unknown token";
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case ErrorType::IntegerTooLarge: return "Integer constant is too large";
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case ErrorType::EmptyInput: return "Input must not be empty";
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case ErrorType::InvalidSyntax: return "Invalid syntax";
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case ErrorType::ExceptedLParen: return "Expected '(";
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case ErrorType::ExpectedRParen: return "Expected ')'";
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case ErrorType::ExpectedLCurlyBracket: return "Expected '{'";
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case ErrorType::ExpectedRCurlyBracket: return "Expected '}'";
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case ErrorType::ExpectedSemicolon: return "Expected ';'";
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case ErrorType::DependentDeclaration: return "A dependant statement may not be a declaration";
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case ErrorType::UnknownType: return "Unknown type '"+get<string>(this->data)+"'";
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case ErrorType::TypeNotCastable: return "Can't find an explicit cast to "+get<string>(this->data)+"'";
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case ErrorType::TypesNotComparable: return "Types not comparable";
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case ErrorType::ExpectedIntegralType: return "Expression must have integral type";
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case ErrorType::NestedFunction: return "Function definition is not allowed here";
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case ErrorType::FunctionRedefinition: return "Redefinition of '"+get<string>(this->data)+"'";
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case ErrorType::IncompatibleRedefinition: return "Redefinition of '"+get<string>(this->data)+"' as different kind of symbol";
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case ErrorType::ExpectedArithmeticType: return "Expression must have arithmetic type";
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case ErrorType::UnknownIdentifier: return "Unknown identifier '"+get<string>(this->data)+"'";
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case ErrorType::AlreadyDeclaredIdentifier: return "Already declared identifier '"+get<string>(this->data)+"'";
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case ErrorType::UninitializedIdentifier: return "Accessing uninitialized identifier '"+get<string>(this->data)+"'";
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case ErrorType::DivisionByZero: return "Division by 0";
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case ErrorType::ModuloByZero: return "Modulo by 0";
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case ErrorType::BreakNotWithinLoop: return "Break statement not within loop";
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case ErrorType::ContinueNotWithinLoop: return "Continue statement not within loop";
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case ErrorType::ControlReachesEndOfNonVoidFn: return "Control reaches end of non-void function";
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default: return "Unknown error type";
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}
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}
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void print_error_position(vector<string> history, CodePosition pos) {
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if (pos.column == -1 || pos.line == -1)
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return;
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cout << endl;
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string line = history[pos.line];
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printf(BOLD "%4d " RESET , pos.line+1);
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cout << line << endl;
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for (int i=0; i < pos.column + 5; i++)
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cout << " ";
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cout << BOLD RED "^--" RESET << endl;
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} |