编译原理词法语法语义分析器设计(15)
时间：2025-04-29
words[j] = '\0'; ch = program[i++]; if (ch == '=') {
words[j++] = ch; words[j] = '\0'; flag = 403; } else { i--; flag = 404; } break; }
case'<':{ if (ch == '<') words[j++] = ch; words[j] = '\0'; ch = program[i++]; if (ch == '=') {
words[j++] = ch; words[j] = '\0'; flag = 405; } else { i--; flag = 406; } break; }
case'!':{ if (ch == '!') words[j++] = ch; words[j] = '\0'; ch = program[i++]; if (ch == '=') {
words[j++] = ch; words[j] = '\0';
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