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use lexer to get operator

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This commit is contained in:
lyon 2021-11-27 20:11:35 +08:00
parent fdf9875b3f
commit 825344910f
3 changed files with 74 additions and 24 deletions
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2
port/linux/.vscode/launch.json vendored
View File

@ -11,7 +11,7 @@
"program": "${workspaceFolder}/build/test/pikascript_test",
// "program": "${workspaceFolder}/../build/src/boot/demo06-pikamain/pikascript_demo06-pikamain",
"args": [
// "--gtest_filter=VM*"
// "--gtest_filter=VM.a_jjcc"
// "--gtest_filter=queue*"
// "--gtest_filter=parser*"
// "--gtest_filter=args*",

20
port/linux/test/parse-test.cpp
View File

@ -1033,3 +1033,23 @@ TEST(lexser, num_1) {
args_deinit(buffs);
EXPECT_EQ(pikaMemNow(), 0);
}
TEST(lexser, jjcc) {
/* init */
pikaMemInfo.heapUsedMax = 0;
Args* buffs = New_strBuff();
/* run */
char* tokens = Lexer_getTokens(buffs, (char*)"a = (1 + 1.1) * 3 - 2 /4.0");
char* printTokens = Lexer_printTokens(buffs, tokens);
printf((char*)"%s\n", printTokens);
/* assert */
EXPECT_STREQ(printTokens,
"{sym}a{opt}={dvd}({lit}1{opt}+{lit}1.1{dvd}){opt}*{lit}3{opt}"
"-{lit}2{opt}/{lit}4.0");
/* deinit */
args_deinit(buffs);
EXPECT_EQ(pikaMemNow(), 0);
}

76
src/PikaParser.c
View File

@ -480,6 +480,58 @@ char* Lexer_getTokens(Args* outBuffs, char* stmt) {
return tokens;
}
uint8_t Lexer_isContain(char* tokens, char* operator) {
Args* buffs = New_strBuff();
char* tokens_buff = strsCopy(buffs, tokens);
uint8_t res = 0;
uint16_t token_size = strCountSign(tokens, 0x1F) + 1;
for (int i = 0; i < token_size; i++) {
char* token = strsPopToken(buffs, tokens_buff, 0x1F);
if (TOKEN_operator == token[0]) {
if (strEqu(token + 1, operator)) {
res = 1;
goto exit;
}
}
}
exit:
args_deinit(buffs);
return res;
}
char* Lexer_getOperator(Args* outBuffs, char* stmt) {
Args* buffs = New_strBuff();
char* tokens = Lexer_getTokens(buffs, stmt);
uint16_t token_size = strCountSign(tokens, 0x1F) + 1;
char* operator= NULL;
if (Lexer_isContain(tokens, "*")) {
operator= strsCopy(buffs, "*");
}
if (Lexer_isContain(tokens, "/")) {
operator= strsCopy(buffs, "/");
}
if (Lexer_isContain(tokens, "+")) {
operator= strsCopy(buffs, "+");
}
if (Lexer_isContain(tokens, "-")) {
operator= strsCopy(buffs, "-");
}
if (Lexer_isContain(tokens, "<")) {
operator= strsCopy(buffs, "<");
}
if (Lexer_isContain(tokens, ">")) {
operator= strsCopy(buffs, ">");
}
if (Lexer_isContain(tokens, "==")) {
operator= strsCopy(buffs, "==");
}
exit:
/* out put */
operator= strsCopy(outBuffs, operator);
args_deinit(buffs);
return operator;
}
AST* AST_parseStmt(AST* ast, char* stmt) {
Args* buffs = New_strBuff();
char* assignment = strsGetFirstToken(buffs, stmt, '(');
@ -508,29 +560,7 @@ AST* AST_parseStmt(AST* ast, char* stmt) {
/* solve method stmt */
if (STMT_operator == stmtType) {
char* rightWithoutSubStmt = strs_deleteBetween(buffs, right, '(', ')');
char operator[2] = {0};
if (strIsContain(rightWithoutSubStmt, '*')) {
operator[0] = '*';
}
if (strIsContain(rightWithoutSubStmt, '/')) {
operator[0] = '/';
}
if (strIsContain(rightWithoutSubStmt, '+')) {
operator[0] = '+';
}
if (strIsContain(rightWithoutSubStmt, '-')) {
operator[0] = '-';
}
if (strIsContain(rightWithoutSubStmt, '<')) {
operator[0] = '<';
}
if (strIsContain(rightWithoutSubStmt, '>')) {
operator[0] = '>';
}
if (checkIsEqu(rightWithoutSubStmt)) {
operator[0] = '=';
operator[1] = '=';
}
char* operator= Lexer_getOperator(buffs, rightWithoutSubStmt);
obj_setStr(ast, (char*)"operator", operator);
char* rightBuff = strsCopy(buffs, right);
char* subStmt1 =