diff options
Diffstat (limited to 'src/tokenizer.cpp')
| -rw-r--r-- | src/tokenizer.cpp | 64 |
1 files changed, 42 insertions, 22 deletions
diff --git a/src/tokenizer.cpp b/src/tokenizer.cpp index 3c44aaad4..826fccc04 100644 --- a/src/tokenizer.cpp +++ b/src/tokenizer.cpp @@ -423,7 +423,7 @@ void error_out(char const *fmt, ...) { } -bool show_error_on_line(TokenPos const &pos) { +bool show_error_on_line(TokenPos const &pos, TokenPos end) { if (!show_error_line()) { return false; } @@ -435,6 +435,8 @@ bool show_error_on_line(TokenPos const &pos) { if (the_line != nullptr) { String line = make_string(cast(u8 const *)the_line, gb_string_length(the_line)); + // TODO(bill): This assumes ASCII + enum { MAX_LINE_LENGTH = 76, MAX_TAB_WIDTH = 8, @@ -462,15 +464,33 @@ bool show_error_on_line(TokenPos const &pos) { } error_out("\n\t"); - for (i32 i = 0; i < offset; i++) error_out(" "); - error_out("^\n"); - error_out("\n"); + for (i32 i = 0; i < offset; i++) { + error_out(" "); + } + error_out("^"); + if (end.file_id == pos.file_id) { + if (end.line > pos.line) { + for (i32 i = offset; i < line.len; i++) { + error_out("~"); + } + } else if (end.line == pos.line && end.column > pos.column) { + i32 length = gb_min(end.offset - pos.offset, cast(i32)(line.len-offset)); + for (i32 i = 1; i < length-1; i++) { + error_out("~"); + } + if (length > 1) { + error_out("^"); + } + } + } + + error_out("\n\n"); return true; } return false; } -void error_va(TokenPos pos, char const *fmt, va_list va) { +void error_va(TokenPos const &pos, TokenPos end, char const *fmt, va_list va) { gb_mutex_lock(&global_error_collector.mutex); global_error_collector.count++; // NOTE(bill): Duplicate error, skip it @@ -481,7 +501,7 @@ void error_va(TokenPos pos, char const *fmt, va_list va) { error_out("%s %s\n", token_pos_to_string(pos), gb_bprintf_va(fmt, va)); - show_error_on_line(pos); + show_error_on_line(pos, end); } gb_mutex_unlock(&global_error_collector.mutex); if (global_error_collector.count > MAX_ERROR_COLLECTOR_COUNT) { @@ -489,9 +509,9 @@ void error_va(TokenPos pos, char const *fmt, va_list va) { } } -void warning_va(TokenPos const &pos, char const *fmt, va_list va) { +void warning_va(TokenPos const &pos, TokenPos end, char const *fmt, va_list va) { if (global_warnings_as_errors()) { - error_va(pos, fmt, va); + error_va(pos, end, fmt, va); return; } gb_mutex_lock(&global_error_collector.mutex); @@ -505,7 +525,7 @@ void warning_va(TokenPos const &pos, char const *fmt, va_list va) { error_out("%s Warning: %s\n", token_pos_to_string(pos), gb_bprintf_va(fmt, va)); - show_error_on_line(pos); + show_error_on_line(pos, end); } } gb_mutex_unlock(&global_error_collector.mutex); @@ -537,7 +557,7 @@ void error_no_newline_va(TokenPos const &pos, char const *fmt, va_list va) { } -void syntax_error_va(TokenPos const &pos, char const *fmt, va_list va) { +void syntax_error_va(TokenPos const &pos, TokenPos end, char const *fmt, va_list va) { gb_mutex_lock(&global_error_collector.mutex); global_error_collector.count++; // NOTE(bill): Duplicate error, skip it @@ -546,7 +566,7 @@ void syntax_error_va(TokenPos const &pos, char const *fmt, va_list va) { error_out("%s Syntax Error: %s\n", token_pos_to_string(pos), gb_bprintf_va(fmt, va)); - show_error_on_line(pos); + show_error_on_line(pos, end); } else if (pos.line == 0) { error_out("Syntax Error: %s\n", gb_bprintf_va(fmt, va)); } @@ -557,9 +577,9 @@ void syntax_error_va(TokenPos const &pos, char const *fmt, va_list va) { } } -void syntax_warning_va(TokenPos const &pos, char const *fmt, va_list va) { +void syntax_warning_va(TokenPos const &pos, TokenPos end, char const *fmt, va_list va) { if (global_warnings_as_errors()) { - syntax_error_va(pos, fmt, va); + syntax_error_va(pos, end, fmt, va); return; } gb_mutex_lock(&global_error_collector.mutex); @@ -571,7 +591,7 @@ void syntax_warning_va(TokenPos const &pos, char const *fmt, va_list va) { error_out("%s Syntax Warning: %s\n", token_pos_to_string(pos), gb_bprintf_va(fmt, va)); - show_error_on_line(pos); + show_error_on_line(pos, end); } else if (pos.line == 0) { error_out("Warning: %s\n", gb_bprintf_va(fmt, va)); } @@ -584,14 +604,14 @@ void syntax_warning_va(TokenPos const &pos, char const *fmt, va_list va) { void warning(Token const &token, char const *fmt, ...) { va_list va; va_start(va, fmt); - warning_va(token.pos, fmt, va); + warning_va(token.pos, {}, fmt, va); va_end(va); } void error(Token const &token, char const *fmt, ...) { va_list va; va_start(va, fmt); - error_va(token.pos, fmt, va); + error_va(token.pos, {}, fmt, va); va_end(va); } @@ -600,7 +620,7 @@ void error(TokenPos pos, char const *fmt, ...) { va_start(va, fmt); Token token = {}; token.pos = pos; - error_va(pos, fmt, va); + error_va(pos, {}, fmt, va); va_end(va); } @@ -615,21 +635,21 @@ void error_line(char const *fmt, ...) { void syntax_error(Token const &token, char const *fmt, ...) { va_list va; va_start(va, fmt); - syntax_error_va(token.pos, fmt, va); + syntax_error_va(token.pos, {}, fmt, va); va_end(va); } void syntax_error(TokenPos pos, char const *fmt, ...) { va_list va; va_start(va, fmt); - syntax_error_va(pos, fmt, va); + syntax_error_va(pos, {}, fmt, va); va_end(va); } void syntax_warning(Token const &token, char const *fmt, ...) { va_list va; va_start(va, fmt); - syntax_warning_va(token.pos, fmt, va); + syntax_warning_va(token.pos, {}, fmt, va); va_end(va); } @@ -748,7 +768,7 @@ void tokenizer_err(Tokenizer *t, char const *msg, ...) { pos.offset = cast(i32)(t->read_curr - t->start); va_start(va, msg); - syntax_error_va(pos, msg, va); + syntax_error_va(pos, {}, msg, va); va_end(va); t->error_count++; @@ -762,7 +782,7 @@ void tokenizer_err(Tokenizer *t, TokenPos const &pos, char const *msg, ...) { } va_start(va, msg); - syntax_error_va(pos, msg, va); + syntax_error_va(pos, {}, msg, va); va_end(va); t->error_count++; |