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28 
29 #include "parser.h"
30 #include "utils.h"
31 #include <stdio.h>
32 #include <stdlib.h>
33 
34 QT_BEGIN_NAMESPACE
35 
36 #ifdef USE_LEXEM_STORE
37 Symbol::LexemStore Symbol::lexemStore;
38 #endif
39 
40 static const char *error_msg = nullptr;
41 
42 #ifdef Q_CC_MSVC
43 #define ErrorFormatString "%s(%d): "
44 #else
45 #define ErrorFormatString "%s:%d: "
46 #endif
47 
error(int rollback)48 void Parser::error(int rollback) {
49     index -= rollback;
50     error();
51 }
error(const char * msg)52 void Parser::error(const char *msg) {
53     if (msg || error_msg)
54         fprintf(stderr, ErrorFormatString "Error: %s\n",
55                  currentFilenames.top().constData(), symbol().lineNum, msg?msg:error_msg);
56     else
57         fprintf(stderr, ErrorFormatString "Parse error at \"%s\"\n",
58                  currentFilenames.top().constData(), symbol().lineNum, symbol().lexem().data());
59     exit(EXIT_FAILURE);
60 }
61 
warning(const char * msg)62 void Parser::warning(const char *msg) {
63     if (displayWarnings && msg)
64         fprintf(stderr, ErrorFormatString "Warning: %s\n",
65                 currentFilenames.top().constData(), qMax(0, index > 0 ? symbol().lineNum : 0), msg);
66 }
67 
note(const char * msg)68 void Parser::note(const char *msg) {
69     if (displayNotes && msg)
70         fprintf(stderr, ErrorFormatString "Note: %s\n",
71                 currentFilenames.top().constData(), qMax(0, index > 0 ? symbol().lineNum : 0), msg);
72 }
73 
74 QT_END_NAMESPACE
75