void SlkToken::getBlockString(const char* delimiter) { newToken(); const char* pLeft = mIterator.GetLeft(); const char* pFind = strstr(pLeft, delimiter); if (!pFind) { char* pInfo = mErrorAndStringBuffer->NewErrorInfo(); if (pInfo) tsnprintf(pInfo, MAX_ERROR_INFO_CAPACITY, "[line %d ]:Block can't finish, delimiter: %s!", mLineNumber, delimiter); endToken(); return; } int len = (int)strlen(delimiter); const char* p = pLeft; while (p != pFind){ if (*p == '\n') ++mLineNumber; pushTokenChar(*p++); ++mIterator; } endToken(); mIterator = mIterator + len; return removeFirstAndLastEmptyLine(); }
short SlkToken::get(void) { if (NULL == mSource || NULL == mErrorAndStringBuffer) { return END_OF_SLK_INPUT_; } for (;;) { if (*mIterator == '\0') { if (isCanFinish()) { newToken(); endTokenWithEof(); return END_OF_SLK_INPUT_; } else { if (!mIterator.Load()) { newToken(); endTokenWithEof(); return END_OF_SLK_INPUT_; } } } int isSkip = TRUE; //跳过注释与白空格 for (; isSkip && *mIterator != '\0';) { isSkip = FALSE; for (; isWhiteSpace(*mIterator); ++mIterator) { if (*mIterator == '\n') { ++mLineNumber; if (mCommentNum <= 0) { mCommentOnNewLine = TRUE; } } isSkip = TRUE; } //#引导的单行注释 if (*mIterator == '#') { newComment(); for (; *mIterator != '\0' && *mIterator != '\n'; ++mIterator) { if (*mIterator != '\r') pushCommentChar(*mIterator); } endComment(); isSkip = TRUE; } //C++风格的单行注释与多行注释 if (*mIterator == '/' && (*(mIterator + 1) == '/' || *(mIterator + 1) == '*')) { newComment(); pushCommentChar(*mIterator); ++mIterator; if (*mIterator == '/') { pushCommentChar(*mIterator); ++mIterator; for (; *mIterator != '\0' && *mIterator != '\n'; ++mIterator) { if (*mIterator != '\r') pushCommentChar(*mIterator); } isSkip = TRUE; } else if (*mIterator == '*') { pushCommentChar(*mIterator); ++mIterator; for (;;) { if (*mIterator != '\0') { if (*mIterator == '\n') { pushCommentChar(*mIterator); ++mLineNumber; } else if (*mIterator == '*' && *(mIterator + 1) == '/') { pushCommentChar(*mIterator); ++mIterator; pushCommentChar(*mIterator); ++mIterator; break; } else if (*mIterator != '\r') { pushCommentChar(*mIterator); } } else { if (mIterator.Load()) { continue; } else { endComment(); newToken(); endTokenWithEof(); return END_OF_SLK_INPUT_; } } ++mIterator; } isSkip = TRUE; } endComment(); } } if (*mIterator != '\0') break; } newToken(); if (isCanFinish()) setCanFinish(FALSE); if (*mIterator == '{' && *(mIterator + 1) == ':') { ++mIterator; ++mIterator; int line = mLineNumber; //搜索脚本结束 :} for (; *mIterator != '\0';) { while (*mIterator != '\0' && *mIterator != ':') { if (*mIterator == '\n')++mLineNumber; pushTokenChar(*mIterator); ++mIterator; } if (*mIterator == '\0') break; IScriptSource::Iterator next = mIterator + 1; if (*next == '}') { ++mIterator; ++mIterator; break; } else { pushTokenChar(*mIterator); ++mIterator; } } if (*mIterator == '\0') { char* pInfo = mErrorAndStringBuffer->NewErrorInfo(); if (pInfo) tsnprintf(pInfo, MAX_ERROR_INFO_CAPACITY, "[line %d ]:ExternScript can't finish!", line); } endToken(); if (myhavelinefeed(mCurToken)){ removeFirstAndLastEmptyLine(); } return SCRIPT_CONTENT_; } else if (isOperator(*mIterator)) {//操作符 getOperatorToken(); return getOperatorTokenValue(); } else if (*mIterator == '.' && 0 == myisdigit(*(mIterator + 1), FALSE)) { char c = *mIterator; ++mIterator; pushTokenChar(c); endToken(); return DOT_; } else if (*mIterator == '(') { ++mIterator; pushTokenChar('('); endToken(); return LPAREN_; } else if (*mIterator == ')') { ++mIterator; pushTokenChar(')'); endToken(); return RPAREN_; } else if (*mIterator == '[') { ++mIterator; pushTokenChar('['); endToken(); return LBRACK_; } else if (*mIterator == ']') { ++mIterator; pushTokenChar(']'); endToken(); return RBRACK_; } else if (*mIterator == '{') { ++mIterator; pushTokenChar('{'); endToken(); return LBRACE_; } else if (*mIterator == '}') { ++mIterator; pushTokenChar('}'); endToken(); return RBRACE_; } else if (*mIterator == ',') { ++mIterator; pushTokenChar(','); endToken(); return COMMA_; } else if (*mIterator == ';') { ++mIterator; pushTokenChar(';'); endToken(); return SEMI_; } else {//关键字、标识符或常数 if (*mIterator == '"' || *mIterator == '\'') {//引号括起来的名称或关键字 int line = mLineNumber; char c = *mIterator; for (++mIterator; *mIterator != '\0' && *mIterator != c;) { if (*mIterator == '\n')++mLineNumber; if (*mIterator == '\\') { //pushTokenChar(*mIterator); ++mIterator; } pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '\0') { if (mIterator.Load()) { continue; } else { char* pInfo = mErrorAndStringBuffer->NewErrorInfo(); if (pInfo) tsnprintf(pInfo, MAX_ERROR_INFO_CAPACITY, "[line %d ]:String can't finish!", line); endTokenWithEof(); return END_OF_SLK_INPUT_; } } } if (*mIterator != '\0') { ++mIterator; } else { char* pInfo = mErrorAndStringBuffer->NewErrorInfo(); if (pInfo) tsnprintf(pInfo, MAX_ERROR_INFO_CAPACITY, "[line %d ]:String can't finish!", line); } endToken(); if (myhavelinefeed(mCurToken)){ removeFirstAndLastEmptyLine(); } return STRING_; } else { int isNum = TRUE; int isHex = FALSE; if (*mIterator == '0' && *(mIterator + 1) == 'x') { isHex = TRUE; pushTokenChar(*mIterator); ++mIterator; pushTokenChar(*mIterator); ++mIterator; } for (; !isSpecialChar(*mIterator); ++mIterator) { if (*mIterator == '#') break; else if (*mIterator == '/') { IScriptSource::Iterator next = mIterator + 1; if (*next != '\0' && (*next == '/' || *next == '*')) { break; } } else if (*mIterator == '.') { if (!isNum) { break; } else { IScriptSource::Iterator next = mIterator + 1; if (0 == myisdigit(*next, isHex)) { break; } } } else if (0 == myisdigit(*mIterator, isHex)) { isNum = FALSE; } pushTokenChar(*mIterator); } endToken(); if (isNum) { return NUMBER_; } else { int token = handleStringOrScriptDelimiter(); if (token) return token; return IDENTIFIER_; } } } }
void SlkToken::getOperatorToken(void) { switch (*mIterator) { case '+': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '+' || *mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } } break; case '-': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '-' || *mIterator == '=' || *mIterator == '>') { pushTokenChar(*mIterator); ++mIterator; } } break; case '>': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } else if (*mIterator == '>') { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '>') { pushTokenChar(*mIterator); ++mIterator; } if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } } } break; case '<': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } else if (*mIterator == '<') { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } } } break; case '&': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } else if (*mIterator == '&') { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } } } break; case '|': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } else if (*mIterator == '|') { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } } } break; case '=': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=' || *mIterator == '>') { pushTokenChar(*mIterator); ++mIterator; } } break; case '!': case '^': case '*': case '/': case '%': { pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '=') { pushTokenChar(*mIterator); ++mIterator; } } break; default: { pushTokenChar(*mIterator); ++mIterator; } break; } endToken(); }
short SlkToken::get(void) { if (NULL == mSource || NULL == mErrorAndStringBuffer) { return END_OF_SLK_INPUT_; } newToken(); for (;;) { if (*mIterator == '\0') { if (isCanFinish()) { endTokenWithEof(); return END_OF_SLK_INPUT_; } else { if (!mIterator.Load()) { endTokenWithEof(); return END_OF_SLK_INPUT_; } } } int isSkip = TRUE; //跳过注释与白空格 for (; isSkip && *mIterator != '\0';) { isSkip = FALSE; for (; isWhiteSpace(*mIterator); ++mIterator) { if (*mIterator == '\n')++mLineNumber; isSkip = TRUE; } //#引导的单行注释 if (*mIterator == '#') { for (; *mIterator != '\0' && *mIterator != '\n'; ++mIterator); isSkip = TRUE; } //C++风格的单行注释与多行注释 if (*mIterator == '/' && (*(mIterator + 1) == '/' || *(mIterator + 1) == '*')) { ++mIterator; if (*mIterator == '/') { ++mIterator; for (; *mIterator != '\0' && *mIterator != '\n'; ++mIterator); isSkip = TRUE; } else if (*mIterator == '*') { ++mIterator; for (;;) { if (*mIterator != '\0') { if (*mIterator == '\n')++mLineNumber; if (*mIterator == '*' && *(mIterator + 1) == '/') { ++mIterator; ++mIterator; break; } } else { if (mIterator.Load()) { continue; } else { endTokenWithEof(); return END_OF_SLK_INPUT_; } } ++mIterator; } isSkip = TRUE; } } } if (*mIterator != '\0') break; } if (isCanFinish()) setCanFinish(FALSE); if (*mIterator == '{' && *(mIterator + 1) == ':') { ++mIterator; ++mIterator; int line = mLineNumber; //搜索脚本结束 :} for (; *mIterator != '\0';) { while (*mIterator != '\0' && *mIterator != ':') { if (*mIterator == '\n')++mLineNumber; pushTokenChar(*mIterator); ++mIterator; } if (*mIterator == '\0') break; IScriptSource::Iterator next = mIterator + 1; if (*next == '}') { ++mIterator; ++mIterator; break; } else { pushTokenChar(*mIterator); ++mIterator; } } if (*mIterator == '\0') { char* pInfo = mErrorAndStringBuffer->NewErrorInfo(); if (pInfo) tsnprintf(pInfo, MAX_ERROR_INFO_CAPACITY, "[line %d ]:ExternScript can't finish!", line); } endToken(); return SCRIPT_CONTENT_; } else if (isOperator(*mIterator))//操作符 { getOperatorToken(); return getOperatorTokenValue(); } else if (*mIterator == '.' && 0 == myisdigit(*(mIterator + 1), FALSE)) { char c = *mIterator; ++mIterator; pushTokenChar(c); endToken(); return DOT_; } else if (isDelimiter(*mIterator))//分隔符 { char c = *mIterator; ++mIterator; pushTokenChar(c); endToken(); switch (c) { case '(': return LPAREN_; case ')': return RPAREN_; case '[': return LBRACK_; case ']': return RBRACK_; case '{': return LBRACE_; case '}': return RBRACE_; case ',': return COMMA_; case ';': return SEMI_; default: return END_OF_SLK_INPUT_; } } else//关键字、标识符或常数 { if (*mIterator == '"' || *mIterator == '\'')//引号括起来的名称或关键字 { int line = mLineNumber; char c = *mIterator; for (++mIterator; *mIterator != '\0' && *mIterator != c;) { if (*mIterator == '\n')++mLineNumber; if (*mIterator == '\\') { //pushTokenChar(*mIterator); ++mIterator; } pushTokenChar(*mIterator); ++mIterator; if (*mIterator == '\0') { if (mIterator.Load()) { continue; } else { char* pInfo = mErrorAndStringBuffer->NewErrorInfo(); if (pInfo) tsnprintf(pInfo, MAX_ERROR_INFO_CAPACITY, "[line %d ]:String can't finish!", line); endTokenWithEof(); return END_OF_SLK_INPUT_; } } } if (*mIterator != '\0') { ++mIterator; } else { char* pInfo = mErrorAndStringBuffer->NewErrorInfo(); if (pInfo) tsnprintf(pInfo, MAX_ERROR_INFO_CAPACITY, "[line %d ]:String can't finish!", line); } endToken(); return STRING_; } else { int isNum = TRUE; int isHex = FALSE; if (*mIterator == '0' && *(mIterator + 1) == 'x') { isHex = TRUE; pushTokenChar(*mIterator); ++mIterator; pushTokenChar(*mIterator); ++mIterator; } for (; *mIterator != '\0' && !isDelimiter(*mIterator) && !isWhiteSpace(*mIterator) && !isOperator(*mIterator); ++mIterator) { if (*mIterator == '#') break; else if (*mIterator == '/') { IScriptSource::Iterator next = mIterator + 1; if (*next != '\0' && (*next == '/' || *next == '*')) { break; } } else if (*mIterator == '.') { if (!isNum) { break; } else { IScriptSource::Iterator next = mIterator + 1; if (0 == myisdigit(*next, isHex)) { break; } } } else if (0 == myisdigit(*mIterator, isHex)) { isNum = FALSE; } pushTokenChar(*mIterator); } endToken(); if (isNum) return NUMBER_; else return IDENTIFIER_; } } }