| 1 | #include "SourcePos.h" |
| 2 | |
| 3 | #include <stdarg.h> |
| 4 | #include <vector> |
| 5 | |
| 6 | using namespace std; |
| 7 | |
| 8 | |
| 9 | // ErrorPos |
| 10 | // ============================================================================= |
| 11 | struct ErrorPos |
| 12 | { |
| 13 | String8 file; |
| 14 | int line; |
| 15 | String8 error; |
| 16 | bool fatal; |
| 17 | |
| 18 | ErrorPos(); |
| 19 | ErrorPos(const ErrorPos& that); |
| 20 | ErrorPos(const String8& file, int line, const String8& error, bool fatal); |
| 21 | ~ErrorPos(); |
| 22 | bool operator<(const ErrorPos& rhs) const; |
| 23 | bool operator==(const ErrorPos& rhs) const; |
| 24 | ErrorPos& operator=(const ErrorPos& rhs); |
| 25 | |
| 26 | void print(FILE* to) const; |
| 27 | }; |
| 28 | |
| 29 | static vector<ErrorPos> g_errors; |
| 30 | |
| 31 | ErrorPos::ErrorPos() |
| 32 | :line(-1), fatal(false) |
| 33 | { |
| 34 | } |
| 35 | |
| 36 | ErrorPos::ErrorPos(const ErrorPos& that) |
| 37 | :file(that.file), |
| 38 | line(that.line), |
| 39 | error(that.error), |
| 40 | fatal(that.fatal) |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | ErrorPos::ErrorPos(const String8& f, int l, const String8& e, bool fat) |
| 45 | :file(f), |
| 46 | line(l), |
| 47 | error(e), |
| 48 | fatal(fat) |
| 49 | { |
| 50 | } |
| 51 | |
| 52 | ErrorPos::~ErrorPos() |
| 53 | { |
| 54 | } |
| 55 | |
| 56 | bool |
| 57 | ErrorPos::operator<(const ErrorPos& rhs) const |
| 58 | { |
| 59 | if (this->file < rhs.file) return true; |
| 60 | if (this->file == rhs.file) { |
| 61 | if (this->line < rhs.line) return true; |
| 62 | if (this->line == rhs.line) { |
| 63 | if (this->error < rhs.error) return true; |
| 64 | } |
| 65 | } |
| 66 | return false; |
| 67 | } |
| 68 | |
| 69 | bool |
| 70 | ErrorPos::operator==(const ErrorPos& rhs) const |
| 71 | { |
| 72 | return this->file == rhs.file |
| 73 | && this->line == rhs.line |
| 74 | && this->error == rhs.error; |
| 75 | } |
| 76 | |
| 77 | ErrorPos& |
| 78 | ErrorPos::operator=(const ErrorPos& rhs) |
| 79 | { |
| 80 | this->file = rhs.file; |
| 81 | this->line = rhs.line; |
| 82 | this->error = rhs.error; |
| 83 | return *this; |
| 84 | } |
| 85 | |
| 86 | void |
| 87 | ErrorPos::print(FILE* to) const |
| 88 | { |
| 89 | const char* type = fatal ? "error:" : "warning:"; |
| 90 | |
| 91 | if (this->line >= 0) { |
| 92 | fprintf(to, "%s:%d: %s %s\n", this->file.string(), this->line, type, this->error.string()); |
| 93 | } else { |
| 94 | fprintf(to, "%s: %s %s\n", this->file.string(), type, this->error.string()); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | // SourcePos |
| 99 | // ============================================================================= |
| 100 | SourcePos::SourcePos(const String8& f, int l) |
| 101 | : file(f), line(l) |
| 102 | { |
| 103 | } |
| 104 | |
| 105 | SourcePos::SourcePos(const SourcePos& that) |
| 106 | : file(that.file), line(that.line) |
| 107 | { |
| 108 | } |
| 109 | |
| 110 | SourcePos::SourcePos() |
| 111 | : file("???", 0), line(-1) |
| 112 | { |
| 113 | } |
| 114 | |
| 115 | SourcePos::~SourcePos() |
| 116 | { |
| 117 | } |
| 118 | |
| 119 | int |
| 120 | SourcePos::error(const char* fmt, ...) const |
| 121 | { |
| 122 | int retval=0; |
| 123 | char buf[1024]; |
| 124 | va_list ap; |
| 125 | va_start(ap, fmt); |
| 126 | retval = vsnprintf(buf, sizeof(buf), fmt, ap); |
| 127 | va_end(ap); |
| 128 | char* p = buf + retval - 1; |
| 129 | while (p > buf && *p == '\n') { |
| 130 | *p = '\0'; |
| 131 | p--; |
| 132 | } |
| 133 | g_errors.push_back(ErrorPos(this->file, this->line, String8(buf), true)); |
| 134 | return retval; |
| 135 | } |
| 136 | |
| 137 | int |
| 138 | SourcePos::warning(const char* fmt, ...) const |
| 139 | { |
| 140 | int retval=0; |
| 141 | char buf[1024]; |
| 142 | va_list ap; |
| 143 | va_start(ap, fmt); |
| 144 | retval = vsnprintf(buf, sizeof(buf), fmt, ap); |
| 145 | va_end(ap); |
| 146 | char* p = buf + retval - 1; |
| 147 | while (p > buf && *p == '\n') { |
| 148 | *p = '\0'; |
| 149 | p--; |
| 150 | } |
| 151 | ErrorPos(this->file, this->line, String8(buf), false).print(stderr); |
| 152 | return retval; |
| 153 | } |
| 154 | |
| 155 | bool |
| 156 | SourcePos::hasErrors() |
| 157 | { |
| 158 | return g_errors.size() > 0; |
| 159 | } |
| 160 | |
| 161 | void |
| 162 | SourcePos::printErrors(FILE* to) |
| 163 | { |
| 164 | vector<ErrorPos>::const_iterator it; |
| 165 | for (it=g_errors.begin(); it!=g_errors.end(); it++) { |
| 166 | it->print(to); |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | |
| 171 | |