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LibJS: Allow lexer to run without logging errors

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This commit is contained in:
AnotherTest 2020-04-05 16:19:25 +04:30 • committed by Andreas Kling
parent c2f8a5fffa
commit cdb627a516
2 changed files with 9 additions and 1 deletions
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3
Libraries/LibJS/Lexer.cpp
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@ -204,7 +204,8 @@ bool Lexer::is_numeric_literal_start() const
void Lexer::syntax_error(const char* msg) void Lexer::syntax_error(const char* msg)
{ {
m_has_errors = true; m_has_errors = true;
fprintf(stderr, "Syntax Error: %s (line: %zu, column: %zu)\n", msg, m_line_number, m_line_column); if (m_log_errors)
fprintf(stderr, "Syntax Error: %s (line: %zu, column: %zu)\n", msg, m_line_number, m_line_column);
} }
Token Lexer::next() Token Lexer::next()

7
Libraries/LibJS/Lexer.h
View file

@ -37,6 +37,12 @@ namespace JS {
class Lexer { class Lexer {
public: public:
explicit Lexer(StringView source); explicit Lexer(StringView source);
Lexer(StringView source, bool log_errors)
: Lexer(source)
{
m_log_errors = log_errors;
}
Token next(); Token next();
bool has_errors() const { return m_has_errors; } bool has_errors() const { return m_has_errors; }
@ -60,6 +66,7 @@ private:
bool m_has_errors = false; bool m_has_errors = false;
size_t m_line_number = 1; size_t m_line_number = 1;
size_t m_line_column = 1; size_t m_line_column = 1;
bool m_log_errors = true;
static HashMap<String, TokenType> s_keywords; static HashMap<String, TokenType> s_keywords;
static HashMap<String, TokenType> s_three_char_tokens; static HashMap<String, TokenType> s_three_char_tokens;