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|
- #include "__grammar.h"
- ParserMessage *makeParserMessage(char *file_dir) {
- ParserMessage *tmp = memCalloc(1, sizeof(ParserMessage));
- tmp->file = memStrcpy(file_dir == NULL ? "stdin" : file_dir);
- tmp->tm = makeTokenMessage(file_dir);
- tmp->status = success;
- tmp->status_message = NULL;
- return tmp;
- }
- void freeParserMessage(ParserMessage *pm, bool self) {
- FREE_BASE(pm, return_);
- freeTokenMessage(pm->tm, true, true);
- memFree(pm->status_message);
- memFree(pm->file);
- if (self)
- memFree(pm);
- return_:
- return;
- }
- /**
- * 命令表匹配
- * parserCommandList :
- * | MATHER_EOF
- * | MATHER_ENTER
- * | MATHER_SEMICOLON
- * | parserCommand MATHER_ENTER
- * | parserCommand MATHER_SEMICOLON
- * | parserCommand MATHER_EOF
- */
- void parserCommandList(PASERSSIGNATURE, bool global, bool is_one, Statement *st) {
- int token_type;
- int save_enter = pm->tm->file->filter_data.enter;
- char *command_message = global ? "ERROR from command list(get parserCommand)" : NULL;
- void *bak = NULL;
- fline line = 0;
- bool should_break = false;
- bool have_command = false;
- pm_KeyInterrupt = signal_reset;
- bak = signal(SIGINT, signalStopPm);
- pm->tm->file->filter_data.enter = 0;
- while (!should_break){
- token_type = readBackToken(pm);
- if (token_type == -3 || token_type == -2)
- break;
- else if (token_type == MATHER_EOF){
- delToken(pm);
- break;
- }
- else if (token_type == MATHER_ENTER || token_type == MATHER_SEMICOLON){
- delToken(pm);
- if (is_one && have_command)
- break;
- }
- else{
- Token *command_token = NULL;
- int stop;
- have_command = true;
- if (!callChildToken(CALLPASERSSIGNATURE, parserCommand, COMMAND, &command_token, command_message, command_list_error))
- break;
- line = command_token->line;
- stop = readBackToken(pm);
- if (stop == MATHER_ENTER) {
- delToken(pm);
- if (is_one)
- should_break = true;
- }
- else if (stop == MATHER_SEMICOLON)
- delToken(pm);
- else if(stop != MATHER_EOF){
- if (global) {
- Token *tk = popNewToken(pm->tm);
- freeToken(tk, true);
- syntaxError(pm, command_list_error, command_token->line, 1, "ERROR from parserCommand list(get stop)");
- freeToken(command_token, true);
- }
- else{
- connectStatement(st, command_token->data.st);
- freeToken(command_token, false);
- }
- break;
- }
- connectStatement(st, command_token->data.st);
- freeToken(command_token, false);
- }
- }
- if (is_one)
- clearLexFile(pm->tm->file);
- signal(SIGINT, bak);
- if (pm_KeyInterrupt != signal_reset) {
- pm_KeyInterrupt = signal_reset;
- syntaxError(pm, int_error, line, 1, "KeyInterrupt");
- }
- pm->tm->file->filter_data.enter = save_enter;
- }
- /**
- * 命令匹配
- * parserCommand:
- * | MATHER_DEF parserDef
- * | MATHER_IF parserIf
- * | MATHER_WHILE parserWhile
- * | MATHER_TRY parserTry
- * | MATHER_BREAK parserControl
- * | MATHER_CONTINUE parserControl
- * | MATHER_RESTART parserControl
- * | MATHER_REGO parserControl
- * | MATHER_RETURN parserControl
- * | MATHER_RAISE parserControl
- * | parserOperation
- */
- void parserCommand(PASERSSIGNATURE){
- int token_type, status;
- Statement *st = NULL;
- token_type = readBackToken(pm);
- switch (token_type) {
- case MATHER_AT :
- status = callChildStatement(CALLPASERSSIGNATURE, parserDecoration, DECORATION, &st, NULL);
- break;
- case MATHER_NONLOCAL :
- case MATHER_GLOBAL :
- case MATHER_DEFAULT :
- status = callChildStatement(CALLPASERSSIGNATURE, parserVarControl, VARCONTROL, &st, NULL);
- break;
- case MATHER_CLASS :
- case MATHER_DEF :
- status = callChildStatement(CALLPASERSSIGNATURE, parserDef, FUNCTION, &st, NULL);
- break;
- case MATHER_GOTO :
- status = callChildStatement(CALLPASERSSIGNATURE, parserGoto, GOTO, &st, NULL);
- break;
- case MATHER_LABEL :
- status = callChildStatement(CALLPASERSSIGNATURE, parserLabel, LABEL, &st, NULL);
- break;
- case MATHER_DO :
- status = callChildStatement(CALLPASERSSIGNATURE, parserDo, DO_BRANCH, &st, NULL);
- break;
- case MATHER_WITH :
- status = callChildStatement(CALLPASERSSIGNATURE, parserWith, WITH_BRANCH, &st, NULL);
- break;
- case MATHER_IF :
- status = callChildStatement(CALLPASERSSIGNATURE, parserIf, IF_BRANCH, &st, NULL);
- break;
- case MATHER_FOR :
- status = callChildStatement(CALLPASERSSIGNATURE, parserFor, FOR_BRANCH, &st, NULL);
- break;
- case MATHER_WHILE :
- status = callChildStatement(CALLPASERSSIGNATURE, parserWhile, WHILE_BRANCH, &st, NULL);
- break;
- case MATHER_TRY :
- status = callChildStatement(CALLPASERSSIGNATURE, parserTry, TRY_BRANCH, &st, NULL);
- break;
- case MATHER_BREAK :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeBreakStatement, BREAK, &st, false, NULL);
- break;
- case MATHER_CONTINUE :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeContinueStatement, CONTINUE, &st, false, NULL);
- break;
- case MATHER_RESTART :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeRestartStatement, RESTART, &st, false, NULL);
- break;
- case MATHER_REGO :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeRegoStatement, REGO, &st, false, NULL);
- break;
- case MATHER_RETURN :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeReturnStatement, RETURN, &st, false, NULL);
- break;
- case MATHER_YIELD :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeYieldStatement, YIELD, &st, false, NULL);
- break;
- case MATHER_RAISE :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeRaiseStatement, RAISE, &st, false, NULL);
- break;
- case MATHER_ASSERT :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeAssertStatement, ASSERT, &st, true,
- "parserAssert: Don't get conditions after assert");
- break;
- case MATHER_INCLUDE :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeIncludeStatement, INCLUDE, &st, true,
- "parserInclude: Don't get file after include");
- break;
- case MATHER_DEL :
- status = commandCallControl_(CALLPASERSSIGNATURE, makeDelStatement, DEL, &st, true,
- "parserInclude: Don't get operation after del");
- break;
- case MATHER_FROM :
- case MATHER_IMPORT :
- status = callChildStatement(CALLPASERSSIGNATURE, parserImport, IMPORT, &st, NULL);
- break;
- case MATHER_STRING:
- case MATHER_NUMBER:
- case MATHER_VAR:
- case MATHER_SVAR:
- case MATHER_LC:
- case MATHER_LB:
- case MATHER_LP:
- case MATHER_SUB:
- case MATHER_PROTECT:
- case MATHER_PRIVATE:
- case MATHER_PUBLIC:
- case MATHER_PASSVALUE:
- status = callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &st, NULL);
- break;
- default:
- status = false;
- break;
- }
- if (!status)
- goto return_;
- addStatementToken(COMMAND, st, pm);
- return_: return;
- }
- void parserDecoration(PASERSSIGNATURE){
- Statement *st = NULL;
- DecorationStatement *ds = NULL;
- int tmp;
- long int line = 0;
- while ((tmp = readBackToken(pm)) == MATHER_AT || tmp == MATHER_ENTER){
- Statement *dst = NULL;
- line = delToken(pm);
- if (tmp == MATHER_ENTER)
- continue;
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &dst, "Don't get a decoration operation"))
- goto error_;
- ds = connectDecorationStatement(dst, ds);
- }
- if (tmp!= MATHER_CLASS && tmp != MATHER_DEF) {
- syntaxError(pm, syntax_error, line, 1, "Don't get a decoration object");
- goto error_;
- }
- if (!callChildStatement(CALLPASERSSIGNATURE, parserDef, FUNCTION, &st, "Don't get a decoration object"))
- goto error_;
- if (tmp == MATHER_CLASS)
- st->u.set_class.decoration = ds;
- else
- st->u.set_function.decoration = ds;
- addStatementToken(DECORATION, st, pm);
- return;
- error_:
- freeDecorationStatement(ds);
- }
- /**
- * label语句匹配
- * parserLabel:
- * | MATHER_LABEL MATHER_COLON MATHER_STRING(MATHER_VAR) stop_token [缺省所有参数]
- * | MATHER_LABEL MATHER_COLON MATHER_STRING(MATHER_VAR) MATHER_AS parserOperation stop_token [缺省command参数]
- * | MATHER_LABEL MATHER_COLON MATHER_STRING(MATHER_VAR) MATHER_COLON parserOperation stop_token
- * | MATHER_LABEL MATHER_COLON MATHER_STRING(MATHER_VAR) MATHER_AS parserOperation MATHER_COLON parserOperation [缺省var参数]
- * @param pm
- * @param inter
- */
- void parserLabel(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *var = NULL;
- Statement *command = NULL;
- Token *label_tk = NULL;
- int tmp;
- char *label = NULL;
- long int line = delToken(pm);
- if (!checkToken(pm, MATHER_COLON)){
- syntaxError(pm, syntax_error, line, 1, "Don't get : after label");
- goto error_;
- }
- switch (readBackToken(pm)) {
- case MATHER_STRING:
- case MATHER_VAR:
- label_tk = popNewToken(pm->tm);
- label = memStrcpy(label_tk->data.str);
- freeToken(label_tk, false);
- break;
- default:
- syntaxError(pm, syntax_error, line, 1, "Don't get a label name");
- goto error_;
- }
- if ((tmp = readBackToken(pm)) == MATHER_ENTER || tmp == MATHER_SEMICOLON || tmp == MATHER_EOF) // 匹配到stop_token则label后参数缺省
- goto make;
- if (tmp != MATHER_COLON) { // 匹配到 : 则label的times参数缺省
- if (!checkToken(pm, MATHER_AS)) {
- syntaxError(pm, syntax_error, line, 1, "Don't get as after goto label");
- goto error_;
- } else if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &var, "Don't get a goto var"))
- goto error_;
- }
- if ((tmp = readBackToken(pm)) == MATHER_ENTER || tmp == MATHER_SEMICOLON || tmp == MATHER_EOF) // 如匹配到stop_token则label的command参数缺省
- goto make;
- else if (!checkToken(pm, MATHER_COLON)){
- syntaxError(pm, syntax_error, line, 1, "Don't get : after goto var");
- goto error_;
- }
- else if (!callChildStatement(CALLPASERSSIGNATURE, parserCommand, COMMAND, &command, "Don't get a label command"))
- goto error_;
- make:
- st = makeLabelStatement(var, command, label, line, pm->file);
- addStatementToken(LABEL, st, pm);
- memFree(label);
- return;
- error_:
- freeStatement(var);
- freeStatement(command);
- memFree(label);
- }
- /**
- * goto语句匹配
- * parserGoto:
- * | MATHER_GOTO MATHER_AT parserOperation stop_token [缺省所有参数]
- * | MATHER_GOTO MATHER_AT parserOperation MATHER_COLON parserOperation stop_token [缺省return_参数]
- * | MATHER_GOTO MATHER_AT parserOperation MATHER_COLON parserOperation MATHER_COLON parserOperation
- * | MATHER_GOTO MATHER_AT parserOperation MATHER_COLON MATHER_COLON parserOperation [缺省times参数]
- */
- void parserGoto(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *label = NULL;
- Statement *times = NULL;
- Statement *return_ = NULL;
- int tmp;
- long int line = delToken(pm);
- if (!checkToken(pm, MATHER_AT)){
- syntaxError(pm, syntax_error, line, 1, "Don't get @ after goto");
- goto error_;
- }
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &label, "Don't get a goto times"))
- goto error_;
- if ((tmp = readBackToken(pm)) == MATHER_ENTER || tmp == MATHER_SEMICOLON || tmp == MATHER_EOF) // 如匹配到stop_token则goto后面参数缺省
- goto make;
- else if (!checkToken(pm, MATHER_COLON)){
- syntaxError(pm, syntax_error, line, 1, "Don't get : after goto label");
- goto error_;
- }
- else if (!checkToken(pm, MATHER_COLON) && !callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, ×, "Don't get a goto times"))
- goto error_; // 若再次匹配到 MATHER_COLON 则表示goto的times参数缺省
- if ((tmp = readBackToken(pm)) == MATHER_ENTER || tmp == MATHER_SEMICOLON || tmp == MATHER_EOF) // 如匹配到stop_token则goto的return_参数缺省
- goto make;
- else if (times != NULL && !checkToken(pm, MATHER_COLON)){
- syntaxError(pm, syntax_error, line, 1, "Don't get : after goto times");
- goto error_;
- }
- else if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &return_, "Don't get a goto return"))
- goto error_;
- make:
- st = makeGotoStatement(return_, times, label, line, pm->file);
- addStatementToken(GOTO, st, pm);
- return;
- error_:
- freeStatement(label);
- freeStatement(times);
- freeStatement(return_);
- }
- /**
- * import 匹配
- * parserImport
- * | parserControl AS parserOperation
- * @param callBack statement生成函数
- * @param type 输出token的类型
- * @param must_operation 必须匹配 operation
- */
- void parserImport(PASERSSIGNATURE) {
- Statement *opt = NULL;
- Statement *st = NULL;
- bool is_lock = false;
- int token_type = readBackToken(pm);
- long int line = delToken(pm);
- if (checkToken(pm, MATHER_COLON)) {
- switch (readBackToken(pm)) {
- case MATHER_PUBLIC:
- break;
- case MATHER_PRIVATE:
- case MATHER_PROTECT:
- is_lock = true;
- break;
- default:
- syntaxError(pm, syntax_error, opt->line, 1, "Don't get a aut token");
- goto return_;
- }
- delToken(pm);
- }
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &opt, "Don't get a import file"))
- goto return_;
- if (token_type == MATHER_IMPORT) {
- Statement *as = NULL;
- if (checkToken(pm, MATHER_AS) && !callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &as, "Don't get a as after import")) {
- freeStatement(opt);
- goto return_;
- }
- st = makeImportStatement(opt, as, is_lock);
- }
- else{
- Parameter *pt = NULL;
- Parameter *as = NULL;
- if (!checkToken(pm, MATHER_IMPORT)) {
- syntaxError(pm, syntax_error, opt->line, 1, "Don't get a as after import");
- freeStatement(opt);
- goto return_;
- }
- if (checkToken(pm, MATHER_MUL)) // 导入所有
- goto mul_;
- if (!parserParameter(CALLPASERSSIGNATURE, &pt, false, false, false, false, MATHER_COMMA, MATHER_ASSIGNMENT,
- -1) || pt == NULL) {
- syntaxError(pm, syntax_error, line, 1, "Don't get any value to import");
- freeStatement(opt);
- goto return_;
- }
- if (checkToken(pm, MATHER_AS) && (!parserParameter(CALLPASERSSIGNATURE, &as, false, true, false, false,
- MATHER_COMMA, MATHER_ASSIGNMENT, -1) || as == NULL)) {
- freeParameter(pt, true);
- syntaxError(pm, syntax_error, opt->line, 1, "Don't get any value after import");
- freeStatement(opt);
- goto return_;
- }
- if (as == NULL && !checkFormal(pt)){
- freeParameter(pt, true);
- syntaxError(pm, syntax_error, opt->line, 1, "Don't get success value to import");
- freeStatement(opt);
- goto return_;
- }
- mul_:
- st = makeFromImportStatement(opt, as, pt, is_lock);
- }
- addStatementToken(IMPORT, st, pm);
- return_:
- return;
- }
- /**
- * 控制语句匹配
- * parserControl
- * | (control token) NULL
- * | (control token) parserOperation
- * @param callBack statement生成函数
- * @param type 输出token的类型
- * @param must_operation 必须匹配 operation
- */
- void parserVarControl(PASERSSIGNATURE) {
- Parameter *var = NULL;
- Statement *st = NULL;
- Token *tmp = NULL;
- int token_type = readBackToken(pm);
- long int line = delToken(pm);
- if (!parserParameter(CALLPASERSSIGNATURE, &var, false, true, true, true, MATHER_COMMA, MATHER_ASSIGNMENT, -1) || var == NULL) {
- syntaxError(pm, syntax_error, line, 1, "Don't get any var");
- goto return_;
- }
- st = makeDefaultVarStatement(var, line, pm->file, token_type == MATHER_DEFAULT ? default_ : token_type == MATHER_GLOBAL ? global_ : nonlocal_);
- addStatementToken(VARCONTROL, st, pm);
- return_:
- return;
- }
- /**
- * 控制语句匹配
- * parserControl
- * | (control token) NULL
- * | (control token) parserOperation
- * @param callBack statement生成函数
- * @param type 输出token的类型
- * @param must_operation 必须匹配 operation
- */
- void parserControl(PASERSSIGNATURE, MakeControlFunction callBack, int type, bool must_operation, char *message) {
- Statement *opt = NULL;
- Statement *st = NULL;
- Token *tmp = NULL;
- long int line = delToken(pm);
- parserOperation(CALLPASERSSIGNATURE);
- if (call_success(pm) && readBackToken(pm) == OPERATION){
- tmp = popNewToken(pm->tm);
- opt = tmp->data.st;
- freeToken(tmp, false);
- }
- else if (must_operation)
- goto error;
- st = callBack(opt, line, pm->file);
- addStatementToken(type, st, pm);
- return;
- error:
- syntaxError(pm, syntax_error, line, 1, message);
- }
- void parserDo(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *do_code = NULL;
- long int line = delToken(pm);
- if (readBackToken(pm) == MATHER_WHILE){ // do...while语句
- if (!callChildStatement(CALLPASERSSIGNATURE, parserWhile, WHILE_BRANCH, &st, "Don't get a while code"))
- goto error_;
- st->u.while_branch.type = do_while_;
- }
- else {
- if (!callParserCode(CALLPASERSSIGNATURE, &do_code, "Don't get a if...else code", line))
- goto error_;
- again:
- switch (readBackToken(pm)){
- case MATHER_IF: {
- StatementList *do_sl = NULL;
- if (!callChildStatement(CALLPASERSSIGNATURE, parserIf, IF_BRANCH, &st, "Don't get a if code after do"))
- goto error_;
- do_sl = makeStatementList(NULL, NULL, do_code, do_b);
- do_sl->next = st->u.if_branch.if_list;
- st->u.if_branch.if_list = do_sl;
- break;
- }
- case MATHER_WHILE:
- if (!callChildStatement(CALLPASERSSIGNATURE, parserWhile, WHILE_BRANCH, &st, "Don't get a while code after do"))
- goto error_;
- st->u.while_branch.first = do_code;
- break;
- case MATHER_FOR:
- if (!callChildStatement(CALLPASERSSIGNATURE, parserFor, FOR_BRANCH, &st, "Don't get a for code after do"))
- goto error_;
- st->u.for_branch.first_do = do_code;
- break;
- case MATHER_DEF:
- if (!callChildStatement(CALLPASERSSIGNATURE, parserDef, FUNCTION, &st, "Don't get a function def after do"))
- goto error_;
- st->u.set_function.first_do = do_code;
- break;
- case MATHER_DO: {
- long int tmp_line = delToken(pm);
- if (readBackToken(pm) != MATHER_WHILE){
- syntaxError(pm, syntax_error, tmp_line, 1, "Don't get while after do");
- goto error_;
- }
- if (!callChildStatement(CALLPASERSSIGNATURE, parserWhile, WHILE_BRANCH, &st, "Don't get a while code"))
- goto error_;
- st->u.while_branch.type = do_while_;
- st->u.while_branch.first = do_code;
- break;
- }
- case MATHER_ENTER:
- delToken(pm);
- goto again;
- default: {
- Token *tmp = popNewToken(pm->tm);
- syntaxError(pm, syntax_error, tmp->line, 1, "Get don't support branch after do");
- backToken_(pm, tmp);
- goto error_;
- }
- }
- }
- addStatementToken(DO_BRANCH, st, pm);
- return;
- error_:
- freeStatement(do_code);
- freeStatement(st);
- }
- void parserFor(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *else_st = NULL;
- Statement *finally_st = NULL;
- Statement *do_st = NULL;
- StatementList *sl = NULL;
- long int line = delToken(pm);
- {
- Statement *code_tmp = NULL, *var_tmp = NULL, *iter_tmp = NULL;
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &var_tmp, "Don't get a for var"))
- goto error_;
- if (!checkToken(pm, MATHER_IN)){
- freeStatement(var_tmp);
- syntaxError(pm, syntax_error, line, 1, "Don't get in after for");
- goto error_;
- }
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &iter_tmp, "Don't get a for condition")) {
- freeStatement(var_tmp);
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &code_tmp, "Don't get a for code", line)) {
- freeStatement(iter_tmp);
- freeStatement(var_tmp);
- goto error_;
- }
- sl = makeStatementList(iter_tmp, var_tmp, code_tmp, for_b);
- }
- again:
- switch (readBackToken(pm)) {
- case MATHER_DO: {
- if (do_st != NULL || else_st != NULL)
- goto default_;
- long int tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &do_st, "Don't get a for...do code", tmp_line))
- goto error_;
- goto again;
- }
- case MATHER_ELSE: {
- long int tmp_line = delToken(pm);
- if (else_st != NULL) {
- syntaxError(pm, syntax_error, tmp_line, 1, "get else after else\n");
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &else_st, "Don't get a for...else code", tmp_line))
- goto error_;
- goto again;
- }
- case MATHER_FINALLY: {
- long int tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &finally_st, "Don't get a for...finally code", tmp_line))
- goto error_;
- break;
- }
- case MATHER_ENTER:
- delToken(pm);
- goto again;
- case MATHER_SEMICOLON:
- break;
- default: {
- default_:
- addLexToken(pm, MATHER_ENTER);
- break;
- }
- }
- st = makeForStatement(line, pm->file);
- st->u.for_branch.for_list = sl;
- st->u.for_branch.else_list = else_st;
- st->u.for_branch.finally = finally_st;
- st->u.for_branch.after_do = do_st;
- addStatementToken(FOR_BRANCH, st, pm);
- return;
- error_:
- freeStatement(else_st);
- freeStatement(finally_st);
- freeStatement(do_st);
- freeStatementList(sl);
- }
- void parserWith(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *code_tmp = NULL;
- Statement *var_tmp = NULL;
- Statement *condition_tmp = NULL;
- Statement *else_st = NULL;
- Statement *finally_st = NULL;
- StatementList *sl = NULL;
- long int line = 0;
- long int tmp_line;
- line = delToken(pm);
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &condition_tmp, "Don't get a with operation"))
- goto error_;
- if (!callParserAs(CALLPASERSSIGNATURE, &var_tmp, "Don't get a with var"))
- goto error_;
- if (!callParserCode(CALLPASERSSIGNATURE, &code_tmp, "Don't get a with code", line))
- goto error_;
- sl = connectStatementList(sl, makeStatementList(condition_tmp, var_tmp, code_tmp, with_b));
- condition_tmp = NULL;
- var_tmp = NULL;
- code_tmp = NULL;
- for (int tk=readBackToken(pm); tk == MATHER_ENTER; tk = readBackToken(pm))
- delToken(pm);
- if (readBackToken(pm) == MATHER_ELSE) {
- tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &else_st, "Don't get a with...else code", tmp_line))
- goto error_;
- }
- for (int tk=readBackToken(pm); tk == MATHER_ENTER; tk = readBackToken(pm))
- delToken(pm);
- if (readBackToken(pm) == MATHER_FINALLY) {
- tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &finally_st, "Don't get a wilt...finally code", tmp_line))
- goto error_;
- }
- addLexToken(pm, MATHER_ENTER);
- st = makeWithStatement(line, pm->file);
- st->u.with_branch.with_list = sl;
- st->u.with_branch.else_list = else_st;
- st->u.with_branch.finally = finally_st;
- addStatementToken(WITH_BRANCH, st, pm);
- return;
- error_:
- freeStatement(condition_tmp);
- freeStatement(var_tmp);
- freeStatement(else_st);
- freeStatement(finally_st);
- freeStatementList(sl);
- }
- /**
- * 条件分支匹配
- * parserIf:
- * | MATHER_IF parserOperation (MATHER_AS parserOperation) callParserCode
- * | parserIf MATHER_ELIF parserOperation (MATHER_AS parserOperation) callParserCode
- * | parserIf MATHER_DO callParserCode [不允许两次连用]
- * | parserIf MATHER_ELSE callParserCode [不允许再出现if和elif以及do] [只出现一次] [4]
- * | parserIf MATHER_FINALLY callParserCode [结尾]
- * 注释:会自动过滤 <ENTER> , 可以使用 <SEMICOLON> 作为结束表示
- * 注释:自动添加 <ENTER> 结尾符号
- * 注释:(MATHER_AS parserOperation) 表示允许出现或者不出现, 若出现则 MATHER_AS parserOperation 必须一起出现
- * 特别注意:自进入模式[4]后,匹配顺序自上而下不可逆
- * @param pm
- * @param inter
- */
- void parserIf(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *else_st = NULL;
- Statement *finally_st = NULL;
- StatementList *sl = NULL;
- bool have_if = false;
- long int line = 0;
- again:
- switch (readBackToken(pm)) {
- case MATHER_IF:
- if (have_if)
- goto default_;
- else
- have_if = true;
- line = delToken(pm);
- goto not_del;
- case MATHER_ELIF: {
- Statement *code_tmp = NULL, *var_tmp = NULL, *condition_tmp = NULL;
- long int tmp_line = delToken(pm);
- if (else_st != NULL) {
- syntaxError(pm, syntax_error, tmp_line, 1, "get elif after else");
- goto error_;
- }
- not_del:
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &condition_tmp, "Don't get a if condition"))
- goto error_;
- if (!callParserAs(CALLPASERSSIGNATURE, &var_tmp, "Don't get a while var")) {
- freeStatement(condition_tmp);
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &code_tmp, "Don't get a if code", tmp_line)) {
- freeStatement(condition_tmp);
- freeStatement(var_tmp);
- goto error_;
- }
- sl = connectStatementList(sl, makeStatementList(condition_tmp, var_tmp, code_tmp, if_b));
- goto again;
- }
- case MATHER_DO: {
- if (else_st != NULL)
- goto default_;
- Statement *code_tmp = NULL;
- long int tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &code_tmp, "Don't get a if...do code", tmp_line))
- goto error_;
- sl = connectStatementList(sl, makeStatementList(NULL, NULL, code_tmp, do_b));
- goto again;
- }
- case MATHER_ELSE: {
- long int tmp_line = delToken(pm);
- if (else_st != NULL) {
- syntaxError(pm, syntax_error, tmp_line, 1, "get else after else");
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &else_st, "Don't get a if...else code", tmp_line))
- goto error_;
- goto again;
- }
- case MATHER_FINALLY: {
- long int tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &finally_st, "Don't get a if...finally code", tmp_line))
- goto error_;
- break;
- }
- case MATHER_ENTER:
- delToken(pm);
- goto again;
- case MATHER_SEMICOLON:
- break;
- default:{
- default_:
- addLexToken(pm, MATHER_ENTER);
- break;
- }
- }
- st = makeIfStatement(line, pm->file);
- st->u.if_branch.if_list = sl;
- st->u.if_branch.else_list = else_st;
- st->u.if_branch.finally = finally_st;
- addStatementToken(IF_BRANCH, st, pm);
- return;
- error_:
- freeStatement(else_st);
- freeStatement(finally_st);
- freeStatementList(sl);
- }
- /**
- * 条件循环匹配
- * parserWhile:
- * | MATHER_WHILE parserOperation (MATHER_AS parserOperation) callParserCode
- * | parserWhile MATHER_DO callParserCode [只出现一次]
- * | parserWhile MATHER_ELSE callParserCode [只出现一次]
- * | parserWhile MATHER_FINALLY callParserCode [结尾]
- * 注释:同 ``parserIf``
- * 特别注意:匹配顺序自上而下不可逆
- * @param pm
- * @param inter
- */
- void parserWhile(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *else_st = NULL;
- Statement *finally_st = NULL;
- Statement *do_st = NULL;
- StatementList *sl = NULL;
- bool have_while = false;
- long int line = 0;
- again:
- switch (readBackToken(pm)) {
- case MATHER_WHILE: {
- if (have_while)
- goto default_;
- else
- have_while = true;
- Statement *code_tmp = NULL, *var_tmp = NULL, *condition_tmp = NULL;
- line = delToken(pm);
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &condition_tmp, "Don't get a while condition"))
- goto error_;
- if (!callParserAs(CALLPASERSSIGNATURE, &var_tmp, "Don't get a while var")){
- freeStatement(condition_tmp);
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &code_tmp, "Don't get a while code", line)) {
- freeStatement(condition_tmp);
- freeStatement(var_tmp);
- goto error_;
- }
- if (sl != NULL)
- freeStatementList(sl);
- sl = makeStatementList(condition_tmp, var_tmp, code_tmp, while_b);
- goto again;
- }
- case MATHER_DO: {
- if (do_st != NULL || else_st != NULL)
- goto default_;
- long int tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &do_st, "Don't get a while...do code", tmp_line))
- goto error_;
- goto again;
- }
- case MATHER_ELSE: {
- long int tmp_line = delToken(pm);
- if (else_st != NULL) {
- syntaxError(pm, syntax_error, tmp_line, 1, "get else after else\n");
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &else_st, "Don't get a while...else code", tmp_line))
- goto error_;
- goto again;
- }
- case MATHER_FINALLY: {
- long int tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &finally_st, "Don't get a while...finally code", tmp_line))
- goto error_;
- break;
- }
- case MATHER_ENTER:
- delToken(pm);
- goto again;
- case MATHER_SEMICOLON:
- break;
- default: {
- default_:
- addLexToken(pm, MATHER_ENTER);
- break;
- }
- }
- st = makeWhileStatement(line, pm->file);
- st->u.while_branch.while_list = sl;
- st->u.while_branch.else_list = else_st;
- st->u.while_branch.finally = finally_st;
- st->u.while_branch.after = do_st;
- addStatementToken(WHILE_BRANCH, st, pm);
- return;
- error_:
- freeStatement(else_st);
- freeStatement(finally_st);
- freeStatement(do_st);
- freeStatementList(sl);
- }
- /**
- * 异常捕获分支匹配
- * parserTry:
- * | MATHER_TRY callParserCode
- * | parserTry MATHER_EXCEPT (MATHER_AS parserOperation) callParserCode
- * | parserTry MATHER_ELSE callParserCode [只出现一次]
- * | parserTry MATHER_FINALLY callParserCode [结尾]
- * 注释:同 ``parserIf``
- * 特别注意:匹配顺序自上而下不可逆
- * @param pm
- * @param inter
- */
- void parserTry(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *try_st = NULL;
- Statement *else_st = NULL;
- Statement *finally_st = NULL;
- StatementList *sl = NULL;
- long int line = 0;
- again:
- switch (readBackToken(pm)) {
- case MATHER_TRY:{
- if (try_st != NULL)
- goto default_;
- line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &try_st, "Don't get a try code", line))
- goto error_;
- goto again;
- }
- case MATHER_EXCEPT: {
- Statement *code_tmp = NULL, *var_tmp = NULL, *condition_tmp = NULL;
- long int tmp_line = delToken(pm);
- if (else_st != NULL) {
- syntaxError(pm, syntax_error, tmp_line, 1, "get except after else");
- goto error_;
- }
- if (readBackToken(pm) != MATHER_LC)
- callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &condition_tmp, NULL);
- if (!callParserAs(CALLPASERSSIGNATURE, &var_tmp, "Don't get a except var")){
- freeStatement(condition_tmp);
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &code_tmp, "Don't get a except code", tmp_line)) {
- freeStatement(condition_tmp);
- freeStatement(var_tmp);
- goto error_;
- }
- sl = connectStatementList(sl, makeStatementList(condition_tmp, var_tmp, code_tmp, except_b));
- goto again;
- }
- case MATHER_ELSE: {
- long int tmp_line = delToken(pm);
- if (else_st != NULL) {
- syntaxError(pm, syntax_error, tmp_line, 1, "get else after else");
- goto error_;
- }
- if (!callParserCode(CALLPASERSSIGNATURE, &else_st, "Don't get a try...else code", tmp_line))
- goto error_;
- goto again;
- }
- case MATHER_FINALLY: {
- long int tmp_line = delToken(pm);
- if (!callParserCode(CALLPASERSSIGNATURE, &finally_st, "Don't get a try...finally code", tmp_line))
- goto error_;
- break;
- }
- case MATHER_ENTER:
- delToken(pm);
- goto again;
- case MATHER_SEMICOLON:
- break;
- default: {
- default_:
- addLexToken(pm, MATHER_ENTER);
- break;
- }
- }
- st = makeTryStatement(line, pm->file);
- st->u.try_branch.try = try_st;
- st->u.try_branch.except_list = sl;
- st->u.try_branch.else_list = else_st;
- st->u.try_branch.finally = finally_st;
- addStatementToken(TRY_BRANCH, st, pm);
- return;
- error_:
- freeStatement(try_st);
- freeStatement(else_st);
- freeStatement(finally_st);
- freeStatementList(sl);
- }
- /**
- * 函数定义匹配
- * parserDef:
- * | parserBaseValue MATHER_LP parserParameter(is_formal) MATHER_RP callParserCode
- * 注释:自动添加 <ENTER> 结尾符号
- * @param pm
- * @param inter
- */
- void parserDef(PASERSSIGNATURE){
- Statement *st = NULL;
- Statement *name_tmp = NULL;
- Statement *code_tmp = NULL;
- Parameter *pt = NULL;
- int type = readBackToken(pm);
- long int line = delToken(pm);
- if (!callChildStatement(CALLPASERSSIGNATURE, parserBaseValue, BASEVALUE, &name_tmp,
- "Don't get a function/class name"))
- goto error_;
- if (!checkToken(pm, MATHER_LP))
- goto get_code;
- if (!parserParameter(CALLPASERSSIGNATURE, &pt, true, true, false, false, MATHER_COMMA, MATHER_ASSIGNMENT, type==MATHER_DEF ? MATHER_SEMICOLON : -1)) {
- lexEnter(pm, false);
- syntaxError(pm, syntax_error, line, 1, "Don't get a function/class parameter");
- goto error_;
- }
- if (!checkToken(pm, MATHER_RP)) {
- syntaxError(pm, syntax_error, line, 1, "Don't get a function/class ) after parameter");
- goto error_;
- }
- get_code:
- if (!callParserCode(CALLPASERSSIGNATURE, &code_tmp, "Don't get a function code", line)) {
- syntaxError(pm, syntax_error, line, 1, "Don't get a function code");
- goto error_;
- }
- if (type == MATHER_DEF)
- st = makeFunctionStatement(name_tmp, code_tmp, pt);
- else
- st = makeClassStatement(name_tmp, code_tmp, pt);
- addLexToken(pm, MATHER_ENTER);
- addStatementToken(FUNCTION, st, pm);
- return;
- error_:
- freeStatement(name_tmp);
- freeStatement(code_tmp);
- freeParameter(pt, true);
- }
- /**
- * 函数定义匹配
- * parserCode:
- * | MATHER_LC parserCommandList MATHER_RC
- * 注释:自动忽略MATHER_LC前的空格
- * @param pm
- * @param inter
- */
- void parserCode(PASERSSIGNATURE) {
- long int line = 0;
- Statement *st = makeStatement(line, pm->file);
- while (true){
- if (readBackToken(pm) != MATHER_LC)
- goto again_;
- line = delToken(pm);
- break;
- again_:
- if (!checkToken(pm, MATHER_ENTER))
- goto return_;
- }
- parserCommandList(CALLPASERSSIGNATURE, false, false, st);
- if (!call_success(pm))
- goto error_;
- if (!checkToken(pm, MATHER_RC)) {
- syntaxError(pm, syntax_error, line, 1, "Don't get the }"); // 使用{的行号
- goto error_;
- }
- return_:
- addStatementToken(CODE, st, pm);
- return;
- error_:
- freeStatement(st);
- }
- /**
- * 表达式匹配
- * parserOperation:
- * | parserAssignment
- */
- void parserOperation(PASERSSIGNATURE){
- Statement *operation_st = NULL;
- if (!callChildStatement(CALLPASERSSIGNATURE, parserAssignment, ASSIGNMENT, &operation_st, NULL))
- goto return_;
- addStatementToken(OPERATION, operation_st, pm);
- return_:
- return;
- }
- /**
- * 赋值表达式匹配
- * parserAssignment:
- * | parserTuple
- * | parserAssignment ASSIGNMENT parserTuple [2]
- * 注意:在链接statement的时候, 模式[2]相当于 parserTuple ASSIGNMENT parserAssignment
- */
- bool checkAssignmentLeft(PASERSSIGNATURE, Statement *left){
- if (left->type == call_function && !checkFormal(left->u.call_function.parameter)){
- syntaxError(pm, syntax_error, left->line, 1, "Don't get success function definition from Assignment22");
- return false;
- }
- return true;
- }
- bool switchAssignment(PASERSSIGNATURE, int symbol, Statement **st){
- switch (symbol) { // 此处保持使用switch分支
- case MATHER_ASSIGNMENT:
- *st = makeOperationBaseStatement(OPT_ASS, 0, pm->file);
- break;
- default:
- return false;
- }
- return true;
- }
- void parserAssignment(PASERSSIGNATURE){
- return twoOperation(CALLPASERSSIGNATURE, parserTuple, switchAssignment, checkAssignmentLeft, TUPLE, ASSIGNMENT,
- "polynomial", "assignment", true);
- }
- /**
- * 元组匹配
- * parserTuple:
- * | parserPolynomial
- * | parserTuple COMMA parserPolynomial
- * @param pm
- * @param inter
- */
- void parserTuple(PASERSSIGNATURE){
- Parameter *pt = NULL;
- Statement *st = NULL;
- Token *tmp = NULL;
- long int line = 0;
- if (readBackToken(pm) == MATHER_MUL) {
- line = pm->tm->ts->token_list->line;
- goto parserPt;
- }
- if (!callChildToken(CALLPASERSSIGNATURE, parserPolynomial, POLYNOMIAL, &tmp, NULL, syntax_error))
- goto return_;
- if (readBackToken(pm) != MATHER_COMMA){
- tmp->token_type = TUPLE;
- addToken_(pm ,tmp);
- goto return_;
- }
- line = tmp->line;
- addToken_(pm ,tmp);
- parserPt:
- if (!parserParameter(CALLPASERSSIGNATURE, &pt, false, false, true, false, MATHER_COMMA, MATHER_ASSIGNMENT, -1)) {
- syntaxError(pm, syntax_error, line, 1, "Don't get tuple element");
- goto return_;
- }
- st = makeTupleStatement(pt, value_tuple, pt->data.value->line, pm->file);
- addStatementToken(TUPLE, st, pm);
- return_:
- return;
- }
- /**
- * 多项式匹配
- * parserPolynomial:
- * | parserBaseValue
- * | parserPolynomial OPT_ADD parserFactor
- * | parserPolynomial OPT_SUB parserFactor
- */
- bool switchPolynomial(PASERSSIGNATURE, int symbol, Statement **st){
- switch (symbol) {
- case MATHER_ADD:
- *st = makeOperationBaseStatement(OPT_ADD, 0, pm->file);
- break;
- case MATHER_SUB:
- *st = makeOperationBaseStatement(OPT_SUB, 0, pm->file);
- break;
- default:
- return false;
- }
- return true;
- }
- void parserPolynomial(PASERSSIGNATURE){
- return twoOperation(CALLPASERSSIGNATURE, parserFactor, switchPolynomial, NULL, FACTOR, POLYNOMIAL,
- "factor", "polynomial", false);
- }
- /**
- * 因式匹配
- * parserFactor:
- * | parserCallBack
- * | switchFactor OPT_ADD parserCallBack
- * | switchFactor OPT_SUB parserCallBack
- */
- bool switchFactor(PASERSSIGNATURE, int symbol, Statement **st){
- switch (symbol) {
- case MATHER_MUL:
- *st = makeOperationBaseStatement(OPT_MUL, 0, pm->file);
- break;
- case MATHER_DIV:
- *st = makeOperationBaseStatement(OPT_DIV, 0, pm->file);
- break;
- default:
- return false;
- }
- return true;
- }
- void parserFactor(PASERSSIGNATURE){
- return twoOperation(CALLPASERSSIGNATURE, parserCallBack, switchFactor, NULL, CALLBACK, FACTOR,
- "call back", "factor", false);
- }
- /**
- * 函数回调匹配
- * parserCallBack:
- * | parserBaseValue
- * | parserCallBack MATHER_LP parserParameter MATHER_RP
- */
- bool tailCall(PASERSSIGNATURE, Token *left_token, Statement **st){
- Parameter *pt = NULL;
- long int line = delToken(pm);
- if (checkToken(pm, MATHER_RP))
- goto not_pt;
- if (!parserParameter(CALLPASERSSIGNATURE, &pt, true, false, false, false, MATHER_COMMA, MATHER_ASSIGNMENT, MATHER_SEMICOLON)) {
- syntaxError(pm, syntax_error, line, 1, "Don't get call parameter");
- return false;
- }
- if (!checkToken(pm, MATHER_RP)) {
- freeParameter(pt, true);
- syntaxError(pm, syntax_error, line, 1, "Don't get ) from call back");
- return false;
- }
- not_pt:
- *st = makeCallStatement(left_token->data.st, pt);
- return true;
- }
- bool tailSlice(PASERSSIGNATURE, Token *left_token, Statement **st){
- Parameter *pt = NULL;
- Token *tmp = NULL;
- enum SliceType type; // 0-slice 1-down
- long int line = delToken(pm);
- if (!callChildToken(CALLPASERSSIGNATURE, parserPolynomial, POLYNOMIAL, &tmp, "Don't get slice/down element", syntax_error))
- return false;
- else if (readBackToken(pm) == MATHER_COLON)
- type = SliceType_slice_;
- else
- type = SliceType_down_;
- line = tmp->line;
- addToken_(pm ,tmp);
- if (!parserParameter(CALLPASERSSIGNATURE, &pt, true, true, true, true,
- (type == SliceType_down_ ? MATHER_COMMA : MATHER_COLON), MATHER_ASSIGNMENT, -1)) {
- syntaxError(pm, syntax_error, line, 1, "Don't get slice element");
- return false;
- }
- if (!checkToken(pm, MATHER_RB)){
- freeParameter(pt, true);
- syntaxError(pm, syntax_error, line, 1, "Don't get ] from slice");
- return false;
- }
- *st = makeSliceStatement(left_token->data.st, pt, type);
- return true;
- }
- bool taliPoint(PASERSSIGNATURE, Token *left_token, Statement **st){
- Statement *right_st = NULL;
- delToken(pm);
- if (!callChildStatement(CALLPASERSSIGNATURE, parserBaseValue, BASEVALUE, &right_st, "Don't get a BaseValue after point"))
- return false;
- *st = makeOperationStatement(OPT_POINT, left_token->data.st, right_st);
- return true;
- }
- bool taliLink(PASERSSIGNATURE, Token *left_token, Statement **st){
- Statement *right_st = NULL;
- delToken(pm);
- if (!callChildStatement(CALLPASERSSIGNATURE, parserBaseValue, BASEVALUE, &right_st, "Don't get a BaseValue after link"))
- return false;
- *st = makeOperationStatement(OPT_LINK, left_token->data.st, right_st);
- return true;
- }
- void parserCallBack(PASERSSIGNATURE){
- while(true){
- int tk;
- Token *left_token = NULL;
- struct Statement *st = NULL;
- if (readBackToken(pm) != CALLBACK){
- if (!callChildStatement(CALLPASERSSIGNATURE, parserBaseValue, BASEVALUE, &st, NULL))
- goto return_;
- addStatementToken(CALLBACK, st, pm);
- continue;
- }
- left_token = popNewToken(pm->tm);
- tk = readBackToken(pm);
- if (tk == MATHER_LB && !tailSlice(CALLPASERSSIGNATURE, left_token, &st) ||
- tk == MATHER_LP && !tailCall(CALLPASERSSIGNATURE, left_token, &st) ||
- tk == MATHER_POINT && !taliPoint(CALLPASERSSIGNATURE, left_token, &st) ||
- tk == MATHER_LINK && !taliLink(CALLPASERSSIGNATURE, left_token, &st)) {
- freeToken(left_token, true);
- goto return_;
- } else if (tk != MATHER_LB && tk != MATHER_LP && tk != MATHER_POINT && tk != MATHER_LINK) {
- backToken_(pm, left_token);
- goto return_;
- }
- addStatementToken(CALLBACK, st, pm);
- freeToken(left_token, false);
- }
- return_: return;
- }
- /**
- * 字面量匹配
- * parserBaseValue:
- * | MATHER_NUMBER
- * | MATHER_STRING
- * | MATHER_VAR
- * | MATHER_LAMBDA parserParameter MATHER_COLON parserOperation
- * | MATHER_LP parserOperation MATHER_LP
- * | MATHER_LP parserOperation MATHER_LP -> list
- * | MATHER_LP parserOperation MATHER_LP MATHER_VAR
- * | MATHER_LC parserParameter(dict) MATHER_LC
- */
- int getOperation(PASERSSIGNATURE, int right_type, Statement **st, char *name){
- *st = NULL;
- if (checkToken(pm, right_type))
- goto return_;
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, st, NULL))
- return 0;
- if (!checkToken(pm, right_type)){
- freeStatement(*st);
- return -1;
- }
- return_:
- return 1;
- }
- void parserBaseValue(PASERSSIGNATURE){
- Token *value_token = popNewToken(pm->tm);
- Statement *st = NULL;
- switch (value_token->token_type) {
- case MATHER_NUMBER : {
- Statement *tmp = NULL;
- tmp = makeBaseStrValueStatement(value_token->data.str, number_str, value_token->line, pm->file);
- if (*value_token->data.second_str == NUL)
- st = tmp;
- else {
- Statement *second_var = makeBaseVarStatement(value_token->data.second_str, NULL, value_token->line,
- pm->file);
- st = makeCallStatement(second_var, makeValueParameter(tmp));
- }
- break;
- }
- case MATHER_STRING:{
- Statement *tmp = NULL;
- tmp = makeBaseStrValueStatement(value_token->data.str, string_str, value_token->line, pm->file);
- if (*value_token->data.second_str == NUL)
- st = tmp;
- else {
- Statement *sencod_var = makeBaseVarStatement(value_token->data.second_str, NULL, value_token->line,
- pm->file);
- st = makeCallStatement(sencod_var, makeValueParameter(tmp));
- }
- break;
- }
- case MATHER_TRUE:
- st = makeBaseValueStatement(bool_true, value_token->line, pm->file);
- break;
- case MATHER_FALSE:
- st = makeBaseValueStatement(bool_false, value_token->line, pm->file);
- break;
- case MATHER_NULL:
- st = makeBaseValueStatement(null_value, value_token->line, pm->file);
- break;
- case MATHER_PASSVALUE:
- st = makeBaseValueStatement(pass_value, value_token->line, pm->file);
- break;
- case MATHER_LAMBDA: {
- Parameter *pt = NULL;
- Statement *lambda_st = NULL;
- if (!parserParameter(CALLPASERSSIGNATURE, &pt, false, true, false, false, MATHER_COMMA,
- MATHER_ASSIGNMENT, -1)) {
- freeToken(value_token, true);
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get a lambda parameter");
- goto return_;
- }
- if (!checkToken(pm, MATHER_COLON)) {
- lambda_st = makeStatement(value_token->line, pm->file);
- goto not_lambda_st;
- }
- if (!callChildStatement(CALLPASERSSIGNATURE, parserOperation, OPERATION, &lambda_st,
- "Don't get a lambda operation")) {
- freeToken(value_token, true);
- goto return_;
- }
- not_lambda_st:
- st = makeLambdaStatement(lambda_st, pt);
- break;
- }
- case MATHER_VAR:
- st = makeBaseVarStatement(value_token->data.str, NULL, value_token->line, pm->file);
- break;
- case MATHER_SVAR: {
- Statement *svar_st = NULL;
- if (!callChildStatement(CALLPASERSSIGNATURE, parserBaseValue, BASEVALUE, &svar_st, NULL)) {
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get super var after $");
- freeToken(value_token, true);
- goto return_;
- }
- st = makeBaseSVarStatement(svar_st, NULL);
- break;
- }
- case MATHER_LB: {
- int tmp;
- Statement *tmp_st = NULL;
- lexEnter(pm, true);
- tmp = getOperation(CALLPASERSSIGNATURE, MATHER_RB, &tmp_st, "base value");
- lexEnter(pm, false);
- if (tmp == 0) {
- freeToken(value_token, true);
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get operation from Base Value");
- goto return_;
- } else if (tmp == -1) {
- freeToken(value_token, true);
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get ] from list/var");
- goto return_; // 优化goto return freeToken
- }
- if (MATHER_VAR == readBackToken(pm)) {
- Token *var_token;
- var_token = popNewToken(pm->tm);
- st = makeBaseVarStatement(var_token->data.str, tmp_st, var_token->line, pm->file);
- freeToken(var_token, false);
- } else {
- if (tmp_st == NULL)
- st = makeTupleStatement(NULL, value_list, value_token->line, pm->file);
- else if (tmp_st->type == base_list && tmp_st->u.base_list.type == value_tuple) {
- tmp_st->u.base_list.type = value_list;
- st = tmp_st;
- } else
- st = makeTupleStatement(makeValueParameter(tmp_st), value_list, value_token->token_type, pm->file);
- }
- break;
- }
- case MATHER_LP: {
- int tmp;
- lexEnter(pm, true);
- tmp = getOperation(CALLPASERSSIGNATURE, MATHER_RP, &st, "base value");
- lexEnter(pm, false);
- if (tmp == 0) {
- freeToken(value_token, true);
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get operation from Base Value");
- goto return_;
- } else if (tmp == -1) {
- freeToken(value_token, true);
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get ) from Base Value");
- goto return_;
- }
- break;
- }
- case MATHER_LC: {
- Parameter *pt = NULL;
- int parser_status;
- parser_status = parserParameter(CALLPASERSSIGNATURE, &pt, true, false, false, true, MATHER_COMMA,
- MATHER_COLON, -1);
- if (!parser_status) {
- freeToken(value_token, true);
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get a dict parameter");
- goto return_;
- }
- if (!checkToken(pm, MATHER_RC)) {
- freeToken(value_token, true);
- freeParameter(pt, true);
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get a } after dict");
- goto return_;
- }
- st = makeBaseDictStatement(pt, value_token->line, pm->file);
- break;
- }
- case MATHER_BLOCK: {
- Statement *block = NULL;
- if (!callParserCode(CALLPASERSSIGNATURE, &block, "Don't get a while code", value_token->line)) {
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get block command");
- freeToken(value_token, true);
- goto return_;
- }
- st = makeOperationStatement(OPT_BLOCK, block, NULL);
- break;
- }
- case MATHER_PRIVATE:
- case MATHER_PROTECT:
- case MATHER_PUBLIC: {
- if (MATHER_COLON != readBackToken(pm)) {
- syntaxError(pm, syntax_error, value_token->line, 1, "Don't get a : after aut token");
- freeToken(value_token, true);
- goto return_;
- }
- delToken(pm);
- if (!callChildStatement(CALLPASERSSIGNATURE, parserBaseValue, BASEVALUE, &st, "Don't get Base Value after aut token")) {
- freeToken(value_token, true);
- goto return_;
- }
- switch (value_token->token_type) {
- case MATHER_PROTECT:
- st->aut = protect_aut;
- break;
- case MATHER_PRIVATE:
- st->aut = private_aut;
- break;
- case MATHER_PUBLIC:
- st->aut = public_aut;
- break;
- }
- break;
- }
- default:{
- backToken_(pm, value_token);
- goto return_;
- }
- }
- freeToken(value_token, false);
- addStatementToken(BASEVALUE, st, pm);
- return_: return;
- }
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