From 7532b7ece345a4b2bb15533583f140bbbcf66de0 Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Wed, 19 Dec 2018 14:34:44 +0800 Subject: [PATCH 01/11] change files name --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 274 +++++++++++++++++++++ CPlab2_LexicalAnalysis/result.txt | 66 +++++ CPlab2_LexicalAnalysis/test.cpp | 22 ++ 3 files changed, 362 insertions(+) create mode 100644 CPlab2_LexicalAnalysis/LexicalAnalysis.cpp create mode 100644 CPlab2_LexicalAnalysis/result.txt create mode 100644 CPlab2_LexicalAnalysis/test.cpp diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp new file mode 100644 index 0000000..f4360e7 --- /dev/null +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -0,0 +1,274 @@ +#include +#include +#include +#include +using namespace std; + +#define ID 15 +#define NUM 16 + +//存放处理后的字符串 +char tempstr[255] = {}; +//空格标志 +bool temp = false; +//临时数组 +char word[255] = {}; +//keyword关键字 +string keyword[9] = { + "Const", "Var", "if", "else", "then", + "while", "do", "begin", "end" +}; + +int keyword_num[9] = { + 1,2,3,4,5, + 6,7,8,9 +}; +//部分运算符，定界符等 +char symbol[9] = { '+','-','*','/',';','(',')','{','}'}; +//对应的种码值 +int symbol_num[9] = { 21,22,23,24,25,26,27,28,29 }; + +//判断是否为字母 +bool IsLetter(char ch) +{ + if ((ch >= 'a'&&ch <= 'z') || (ch >= 'A'&&ch <= 'Z')) + return true; + return false; +} + +//判断是否为数字 +bool IsDigit(char ch) +{ + if (ch >= '0'&&ch <= '9') + return true; + return false; +} + +//判断是否为定界符等 +int IsSymbol(char ch) +{ + for (int i = 0; i<9; i++) + { + if (ch == symbol[i]) + return i; + } + return -1; +} + +//判断是否为关键字 +int IsKeyword(string str) +{ + for (int i = 0; i<26; i++) + { + if (str == keyword[i]) + { + return i; + } + } + //不是关键字即为ID + return ID; +} + +//空格处理 +void HandleSpace(char a[]) +{ + int j = 0; + memset(word, 0, 255);//需要清空，不然可能残留上次的字符串 + temp = false; + for (int i = 0; i < strlen(a); i++) + { + + if (a[i] != ' ' && a[i] != '\t') + { + word[j++] = a[i]; + temp = false; + } + else + { + if (!temp && a[i] != '\t') + { + word[j++] = a[i]; + temp = true; + } + } + } +} + +//处理"//"注释 +void prePro() +{ + int j = 0; + memset(tempstr, 0, 255); + for (int i = 0; i < strlen(word); i++) + { + if (word[i] == '/' && word[i + 1] == '/') + { + while (i < strlen(word)) + { + i++; + } + } + + else { + tempstr[j++] = word[i]; + } + } +} + +void Scanner(char *str); + +int main() +{ + char instr[255] = {}; //接收输入字符串 + bool flag = false; //多行注释标志,false为未处于注释区域 + string Token;//存放字符串 + char *str = NULL;//存放每行的字符串 + char delims[] = " ";//分割标志 + freopen("test.cpp", "r", stdin); + freopen("result.txt", "w", stdout); + + printf("词法分析结果如下：\n"); + printf("******************************\n"); + + while ((gets_s(instr)) != NULL) + { + HandleSpace(instr); + prePro(); + + str = strtok(tempstr, delims);//分割字符串 + + while (str != NULL) + { + //头文件，宏定义 + if (*(str) == '#') + { + printf("#\n"); + break; + } + + Scanner(str); + + str = strtok(NULL, delims); + } + } + + return 0; +} + +void Scanner(char *str) { + bool flag = false; //多行注释标志,false为未处于注释区域 + string Token;//存放字符串 + int type = 0; + + for (int i = 0; i\n", Token.c_str(), type); + Token = ""; + } + + if (IsDigit(*(str + i)) && (!flag)) + { + while (IsDigit(*(str + i))) + { + Token += *(str + i); + i++; + } + type = NUM; + printf("< %s , %d >\n", Token.c_str(), type); + Token = ""; + } + + //<,<=,<> + if (*(str + i) == '<' && (!flag)) + { + if (*(str + i + 1) == '=') + { + type = 32; + printf("< %s , %d >\n", "<=", type); + } + if (*(str + i + 1) == '>') + { + type = 31; + printf("< %s , %d >\n", "<>", type); + } + else + { + type = 30; + printf("< %s , %d >\n", "<", type); + } + } + //>,>= + else if (*(str + i) == '>' && (!flag)) + { + if (*(str + i + 1) == '=') + { + type = 34; + printf("< %s , %d >\n", ">=", type); + } + else + { + type = 33; + printf("< %s , %d >\n", ">", type); + } + } + //=,== + else if (*(str + i) == '=' && (!flag)) + { + if (*(str + i + 1) == '=') + { + type = 36; + printf("< %s , %d >\n", "==", type); + } + else + { + type = 35; + printf("< %s , %d >\n", "=", type); + } + } + + //余下定界符等 + else if (IsSymbol(*(str + i)) != -1 && (!flag)) + { + int syb = symbol_num[IsSymbol(*(str + i))]; + type = syb; + printf("< %c , %d >\n", *(str + i), syb); + } + } +} + diff --git a/CPlab2_LexicalAnalysis/result.txt b/CPlab2_LexicalAnalysis/result.txt new file mode 100644 index 0000000..3d3d1ab --- /dev/null +++ b/CPlab2_LexicalAnalysis/result.txt @@ -0,0 +1,66 @@ +词法分析结果如下： +****************************** +# +< int , 15 > +< main , 15 > +< ( , 26 > +< ) , 27 > +< { , 28 > +< Const , 1 > +< const_a , 15 > +< = , 35 > +< 10 , 16 > +< ; , 25 > +< Var , 2 > +< var_b , 15 > +< = , 35 > +< 15 , 16 > +< ; , 25 > +< if , 3 > +< ( , 26 > +< const_a , 15 > +< > , 33 > +< 5 , 16 > +< ) , 27 > +< { , 28 > +< var_b , 15 > +< = , 35 > +< var_b , 15 > +< + , 21 > +< 1 , 16 > +< ; , 25 > +< } , 29 > +< else , 4 > +< var_b , 15 > +< = , 35 > +< var_b , 15 > +< - , 22 > +< 4 , 16 > +< ; , 25 > +< do , 7 > +< { , 28 > +< test , 15 > +< * , 23 > +< / , 24 > +< } , 29 > +< while , 6 > +< ( , 26 > +< var_b , 15 > +< > , 33 > +< 5 , 16 > +< ) , 27 > +< ; , 25 > +< a , 15 > +< b , 15 > +< c , 15 > +< = , 35 > +< 0 , 16 > +< ; , 25 > +< abc , 15 > +< = , 35 > +< 0 , 16 > +< ; , 25 > +< return , 15 > +< 0 , 16 > +< ; , 25 > +< } , 29 > diff --git a/CPlab2_LexicalAnalysis/test.cpp b/CPlab2_LexicalAnalysis/test.cpp new file mode 100644 index 0000000..0f721da --- /dev/null +++ b/CPlab2_LexicalAnalysis/test.cpp @@ -0,0 +1,22 @@ +#include +int main() +{ + //test + Const const_a = 10; + Var var_b = 15; + + if (const_a > 5){ + var_b = var_b + 1; + } + else + var_b = var_b - 4; + + do { + /* test */ + } while(var_b > 5); + + a, b, c = 0; + abc = 0; + + return 0; +} \ No newline at end of file From 6b27a70bebabfd134a7687d64f865c542864aa3f Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Wed, 19 Dec 2018 14:35:25 +0800 Subject: [PATCH 02/11] change all files name --- .../result.txt" | 66 ----- .../test.cpp" | 22 -- ...5\346\263\225\345\210\206\346\236\220.cpp" | 274 ------------------ .../RecursiveDescent.cpp | 0 .../result.txt | 0 .../test.cpp | 0 .../SyntaxAnalysis.cpp | 0 .../result.txt | 0 .../IntermediateCodeGen.cpp | 0 .../result.txt | 0 10 files changed, 362 deletions(-) delete mode 100644 "CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/result.txt" delete mode 100644 "CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/test.cpp" delete mode 100644 "CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/\350\257\215\346\263\225\345\210\206\346\236\220.cpp" rename "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220.cpp" => CPlab3_RecursiveDescent/RecursiveDescent.cpp (100%) rename "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/result.txt" => CPlab3_RecursiveDescent/result.txt (100%) rename "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/test.cpp" => CPlab3_RecursiveDescent/test.cpp (100%) rename "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220_2/\350\257\255\346\263\225\345\210\206\346\236\220.cpp" => CPlab3_RecursiveDescent_2/SyntaxAnalysis.cpp (100%) rename "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220_2/result.txt" => CPlab3_RecursiveDescent_2/result.txt (100%) rename "CPlab6_\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220/\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220.cpp" => CPlab6_IntermediateCodeGen/IntermediateCodeGen.cpp (100%) rename "CPlab6_\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220/result.txt" => CPlab6_IntermediateCodeGen/result.txt (100%) diff --git "a/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/result.txt" "b/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/result.txt" deleted file mode 100644 index 3d3d1ab..0000000 --- "a/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/result.txt" +++ /dev/null @@ -1,66 +0,0 @@ -词法分析结果如下： -****************************** -# -< int , 15 > -< main , 15 > -< ( , 26 > -< ) , 27 > -< { , 28 > -< Const , 1 > -< const_a , 15 > -< = , 35 > -< 10 , 16 > -< ; , 25 > -< Var , 2 > -< var_b , 15 > -< = , 35 > -< 15 , 16 > -< ; , 25 > -< if , 3 > -< ( , 26 > -< const_a , 15 > -< > , 33 > -< 5 , 16 > -< ) , 27 > -< { , 28 > -< var_b , 15 > -< = , 35 > -< var_b , 15 > -< + , 21 > -< 1 , 16 > -< ; , 25 > -< } , 29 > -< else , 4 > -< var_b , 15 > -< = , 35 > -< var_b , 15 > -< - , 22 > -< 4 , 16 > -< ; , 25 > -< do , 7 > -< { , 28 > -< test , 15 > -< * , 23 > -< / , 24 > -< } , 29 > -< while , 6 > -< ( , 26 > -< var_b , 15 > -< > , 33 > -< 5 , 16 > -< ) , 27 > -< ; , 25 > -< a , 15 > -< b , 15 > -< c , 15 > -< = , 35 > -< 0 , 16 > -< ; , 25 > -< abc , 15 > -< = , 35 > -< 0 , 16 > -< ; , 25 > -< return , 15 > -< 0 , 16 > -< ; , 25 > -< } , 29 > diff --git "a/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/test.cpp" "b/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/test.cpp" deleted file mode 100644 index 0f721da..0000000 --- "a/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/test.cpp" +++ /dev/null @@ -1,22 +0,0 @@ -#include -int main() -{ - //test - Const const_a = 10; - Var var_b = 15; - - if (const_a > 5){ - var_b = var_b + 1; - } - else - var_b = var_b - 4; - - do { - /* test */ - } while(var_b > 5); - - a, b, c = 0; - abc = 0; - - return 0; -} \ No newline at end of file diff --git "a/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/\350\257\215\346\263\225\345\210\206\346\236\220.cpp" "b/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/\350\257\215\346\263\225\345\210\206\346\236\220.cpp" deleted file mode 100644 index f4360e7..0000000 --- "a/CPlab2_\350\257\215\346\263\225\345\210\206\346\236\220/\350\257\215\346\263\225\345\210\206\346\236\220.cpp" +++ /dev/null @@ -1,274 +0,0 @@ -#include -#include -#include -#include -using namespace std; - -#define ID 15 -#define NUM 16 - -//存放处理后的字符串 -char tempstr[255] = {}; -//空格标志 -bool temp = false; -//临时数组 -char word[255] = {}; -//keyword关键字 -string keyword[9] = { - "Const", "Var", "if", "else", "then", - "while", "do", "begin", "end" -}; - -int keyword_num[9] = { - 1,2,3,4,5, - 6,7,8,9 -}; -//部分运算符，定界符等 -char symbol[9] = { '+','-','*','/',';','(',')','{','}'}; -//对应的种码值 -int symbol_num[9] = { 21,22,23,24,25,26,27,28,29 }; - -//判断是否为字母 -bool IsLetter(char ch) -{ - if ((ch >= 'a'&&ch <= 'z') || (ch >= 'A'&&ch <= 'Z')) - return true; - return false; -} - -//判断是否为数字 -bool IsDigit(char ch) -{ - if (ch >= '0'&&ch <= '9') - return true; - return false; -} - -//判断是否为定界符等 -int IsSymbol(char ch) -{ - for (int i = 0; i<9; i++) - { - if (ch == symbol[i]) - return i; - } - return -1; -} - -//判断是否为关键字 -int IsKeyword(string str) -{ - for (int i = 0; i<26; i++) - { - if (str == keyword[i]) - { - return i; - } - } - //不是关键字即为ID - return ID; -} - -//空格处理 -void HandleSpace(char a[]) -{ - int j = 0; - memset(word, 0, 255);//需要清空，不然可能残留上次的字符串 - temp = false; - for (int i = 0; i < strlen(a); i++) - { - - if (a[i] != ' ' && a[i] != '\t') - { - word[j++] = a[i]; - temp = false; - } - else - { - if (!temp && a[i] != '\t') - { - word[j++] = a[i]; - temp = true; - } - } - } -} - -//处理"//"注释 -void prePro() -{ - int j = 0; - memset(tempstr, 0, 255); - for (int i = 0; i < strlen(word); i++) - { - if (word[i] == '/' && word[i + 1] == '/') - { - while (i < strlen(word)) - { - i++; - } - } - - else { - tempstr[j++] = word[i]; - } - } -} - -void Scanner(char *str); - -int main() -{ - char instr[255] = {}; //接收输入字符串 - bool flag = false; //多行注释标志,false为未处于注释区域 - string Token;//存放字符串 - char *str = NULL;//存放每行的字符串 - char delims[] = " ";//分割标志 - freopen("test.cpp", "r", stdin); - freopen("result.txt", "w", stdout); - - printf("词法分析结果如下：\n"); - printf("******************************\n"); - - while ((gets_s(instr)) != NULL) - { - HandleSpace(instr); - prePro(); - - str = strtok(tempstr, delims);//分割字符串 - - while (str != NULL) - { - //头文件，宏定义 - if (*(str) == '#') - { - printf("#\n"); - break; - } - - Scanner(str); - - str = strtok(NULL, delims); - } - } - - return 0; -} - -void Scanner(char *str) { - bool flag = false; //多行注释标志,false为未处于注释区域 - string Token;//存放字符串 - int type = 0; - - for (int i = 0; i\n", Token.c_str(), type); - Token = ""; - } - - if (IsDigit(*(str + i)) && (!flag)) - { - while (IsDigit(*(str + i))) - { - Token += *(str + i); - i++; - } - type = NUM; - printf("< %s , %d >\n", Token.c_str(), type); - Token = ""; - } - - //<,<=,<> - if (*(str + i) == '<' && (!flag)) - { - if (*(str + i + 1) == '=') - { - type = 32; - printf("< %s , %d >\n", "<=", type); - } - if (*(str + i + 1) == '>') - { - type = 31; - printf("< %s , %d >\n", "<>", type); - } - else - { - type = 30; - printf("< %s , %d >\n", "<", type); - } - } - //>,>= - else if (*(str + i) == '>' && (!flag)) - { - if (*(str + i + 1) == '=') - { - type = 34; - printf("< %s , %d >\n", ">=", type); - } - else - { - type = 33; - printf("< %s , %d >\n", ">", type); - } - } - //=,== - else if (*(str + i) == '=' && (!flag)) - { - if (*(str + i + 1) == '=') - { - type = 36; - printf("< %s , %d >\n", "==", type); - } - else - { - type = 35; - printf("< %s , %d >\n", "=", type); - } - } - - //余下定界符等 - else if (IsSymbol(*(str + i)) != -1 && (!flag)) - { - int syb = symbol_num[IsSymbol(*(str + i))]; - type = syb; - printf("< %c , %d >\n", *(str + i), syb); - } - } -} - diff --git "a/CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220.cpp" b/CPlab3_RecursiveDescent/RecursiveDescent.cpp similarity index 100% rename from "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220.cpp" rename to CPlab3_RecursiveDescent/RecursiveDescent.cpp diff --git "a/CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/result.txt" b/CPlab3_RecursiveDescent/result.txt similarity index 100% rename from "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/result.txt" rename to CPlab3_RecursiveDescent/result.txt diff --git "a/CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/test.cpp" b/CPlab3_RecursiveDescent/test.cpp similarity index 100% rename from "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220/test.cpp" rename to CPlab3_RecursiveDescent/test.cpp diff --git "a/CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220_2/\350\257\255\346\263\225\345\210\206\346\236\220.cpp" b/CPlab3_RecursiveDescent_2/SyntaxAnalysis.cpp similarity index 100% rename from "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220_2/\350\257\255\346\263\225\345\210\206\346\236\220.cpp" rename to CPlab3_RecursiveDescent_2/SyntaxAnalysis.cpp diff --git "a/CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220_2/result.txt" b/CPlab3_RecursiveDescent_2/result.txt similarity index 100% rename from "CPlab3_\351\200\222\345\275\222\344\270\213\351\231\215\350\257\255\346\263\225\345\210\206\346\236\220_2/result.txt" rename to CPlab3_RecursiveDescent_2/result.txt diff --git "a/CPlab6_\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220/\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220.cpp" b/CPlab6_IntermediateCodeGen/IntermediateCodeGen.cpp similarity index 100% rename from "CPlab6_\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220/\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220.cpp" rename to CPlab6_IntermediateCodeGen/IntermediateCodeGen.cpp diff --git "a/CPlab6_\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220/result.txt" b/CPlab6_IntermediateCodeGen/result.txt similarity index 100% rename from "CPlab6_\344\270\255\351\227\264\344\273\243\347\240\201\347\224\237\346\210\220/result.txt" rename to CPlab6_IntermediateCodeGen/result.txt From 68afdaaea1eb1e1e59c3c2e40f5e46748affe029 Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Thu, 20 Dec 2018 19:06:07 +0800 Subject: [PATCH 03/11] Change --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 21 ++++++++++++++++----- CPlab2_LexicalAnalysis/test.cpp | 4 ++-- 2 files changed, 18 insertions(+), 7 deletions(-) diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index f4360e7..d6c4a80 100644 --- a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -27,11 +27,12 @@ int keyword_num[9] = { char symbol[9] = { '+','-','*','/',';','(',')','{','}'}; //对应的种码值 int symbol_num[9] = { 21,22,23,24,25,26,27,28,29 }; - +//错误命名 +string err_mess = ""; //判断是否为字母 bool IsLetter(char ch) { - if ((ch >= 'a'&&ch <= 'z') || (ch >= 'A'&&ch <= 'Z')) + if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) return true; return false; } @@ -130,7 +131,7 @@ int main() printf("词法分析结果如下：\n"); printf("******************************\n"); - while ((gets_s(instr)) != NULL) + while ((gets(instr)) != NULL) { HandleSpace(instr); prePro(); @@ -151,7 +152,9 @@ int main() str = strtok(NULL, delims); } } - + if(err_mess != "") { + cout< 5){ - var_b = var_b + 1; + 1var_b = var_b + 1; } else var_b = var_b - 4; @@ -15,7 +15,7 @@ int main() /* test */ } while(var_b > 5); - a, b, c = 0; + 6a, b, c = 0; abc = 0; return 0; From ad7715cf0fc8aee6f40ee60be85c6d266eabe273 Mon Sep 17 00:00:00 2001 From: ubuntu Date: Thu, 20 Dec 2018 19:07:19 +0800 Subject: [PATCH 04/11] change --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 2 +- CPlab2_LexicalAnalysis/a.out | Bin 0 -> 19920 bytes CPlab2_LexicalAnalysis/result.txt | 132 ++++++++-------- CPlab3_RecursiveDescent/RecursiveDescent.cpp | 4 +- CPlab3_RecursiveDescent/a.out | Bin 0 -> 24680 bytes CPlab3_RecursiveDescent/result.txt | 156 +++++++++---------- 6 files changed, 147 insertions(+), 147 deletions(-) create mode 100755 CPlab2_LexicalAnalysis/a.out create mode 100755 CPlab3_RecursiveDescent/a.out diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index f4360e7..48255d4 100644 --- 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> +< = , 35 > +< 0 , 16 > +< ; , 25 > +< return , 15 > +< 0 , 16 > +< ; , 25 > +< } , 29 > diff --git a/CPlab3_RecursiveDescent/RecursiveDescent.cpp b/CPlab3_RecursiveDescent/RecursiveDescent.cpp index d45b311..0073a4f 100644 --- a/CPlab3_RecursiveDescent/RecursiveDescent.cpp +++ b/CPlab3_RecursiveDescent/RecursiveDescent.cpp @@ -72,7 +72,7 @@ int main() printf("词法分析结果如下：\n"); printf("******************************\n"); - while ((gets_s(instr)) != NULL) + while ((gets(instr)) != NULL) { HandleSpace(instr); prePro(); @@ -692,4 +692,4 @@ void prePro() tempstr[j++] = word[i]; } } -} \ No newline at end of file +} diff --git a/CPlab3_RecursiveDescent/a.out b/CPlab3_RecursiveDescent/a.out new file mode 100755 index 0000000000000000000000000000000000000000..3fa1baa0c2d2a9c295149d2d8bbaa8f00bf7696c GIT binary patch literal 24680 zcmeHvdwf*Yz3-ZtYzPXOfPj&Q3<4H;!~_Bag*XWePB18kfLbi>3^NlL$;+8N7_?|K z#1G>bO?{lh?c-i-Z4Z5Tq}EHRRfu4T^;#RRif`rks51s@d{k4V=6ru^ueE2-&K|9t 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-19: < = , 35 > -20: < b , 15 > -21: < + , 21 > -22: < x , 15 > -23: < ; , 25 > -24: < if , 3 > -25: < a , 15 > -26: < > , 33 > -27: < 0 , 16 > -28: < then , 5 > -29: < begin , 8 > -30: < c , 15 > -31: < = , 35 > -32: < y , 15 > -33: < - , 22 > -34: < 1 , 16 > -35: < a , 15 > -36: < = , 35 > -37: < a , 15 > -38: < + , 21 > -39: < 2 , 16 > -40: < ; , 25 > -41: < end , 9 > -42: < else , 4 > -43: < begin , 8 > -44: < c , 15 > -45: < = , 35 > -46: < a , 15 > -47: < + , 21 > -48: < y , 15 > -49: < ; , 25 > -50: < end , 9 > -51: < while , 6 > -52: < a , 15 > -53: < > , 33 > -54: < 0 , 16 > -55: < do , 7 > -56: < a , 15 > -57: < = , 35 > -58: < a , 15 > -59: < - , 22 > -60: < 1 , 16 > -61: < ; , 25 > -62: < end , 9 > - - -语法分析结果如下： -******************************** -Const define success! -Const define success! -Const description success! -Var define success! -Var define success! -Var define success! -Var description success! -******************************** -Parse Success! Congratulations! -******************************** +词法分析结果如下： +****************************** + 1: < Const , 1 > + 2: < x , 15 > + 3: < = , 35 > + 4: < 8 , 16 > + 5: < , , 40 > + 6: < y , 15 > + 7: < = , 35 > + 8: < 7 , 16 > + 9: < ; , 25 > +10: < Var , 2 > +11: < a , 15 > +12: < , , 40 > +13: < b , 15 > +14: < , , 40 > +15: < c , 15 > +16: < ; , 25 > +17: < begin , 8 > +18: < a , 15 > +19: < = , 35 > +20: < b , 15 > +21: < + , 21 > +22: < x , 15 > +23: < ; , 25 > +24: < if , 3 > +25: < a , 15 > +26: < > , 33 > +27: < 0 , 16 > +28: < then , 5 > +29: < begin , 8 > +30: < c , 15 > +31: < = , 35 > +32: < y , 15 > +33: < - , 22 > +34: < 1 , 16 > +35: < a , 15 > +36: < = , 35 > +37: < a , 15 > +38: < + , 21 > +39: < 2 , 16 > +40: < ; , 25 > +41: < end , 9 > +42: < else , 4 > +43: < begin , 8 > +44: < c , 15 > +45: < = , 35 > +46: < a , 15 > +47: < + , 21 > +48: < y , 15 > +49: < ; , 25 > +50: < end , 9 > +51: < while , 6 > +52: < a , 15 > +53: < > , 33 > +54: < 0 , 16 > +55: < do , 7 > +56: < a , 15 > +57: < = , 35 > +58: < a , 15 > +59: < - , 22 > +60: < 1 , 16 > +61: < ; , 25 > +62: < end , 9 > + + +语法分析结果如下： +******************************** +Const define success! +Const define success! +Const description success! +Var define success! +Var define success! +Var define success! +Var description success! +******************************** +Parse Success! Congratulations! +******************************** From e7ad59f0712cea4afdb15c6f78ee490f3a3b34b7 Mon Sep 17 00:00:00 2001 From: ubuntu Date: Thu, 20 Dec 2018 19:11:17 +0800 Subject: [PATCH 05/11] err lab2 --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 4 +- CPlab2_LexicalAnalysis/a.out | Bin 19920 -> 20744 bytes CPlab2_LexicalAnalysis/result.txt | 41 --------------------- 3 files changed, 2 insertions(+), 43 deletions(-) diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index d6c4a80..90641e4 100644 --- a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -207,11 +207,11 @@ void Scanner(char *str) { if (IsDigit(*(str + i)) && (!flag)) { - if(IsLetter(*(str + i + 1)) { + if(IsLetter(*(str + i + 1))) { err_mess += *(str + 1); int tempIndex = 1; while(IsLetter(*(str + i + tempIndex))) { - err_mess += *(str + i + tempIndex)); + err_mess += *(str + i + tempIndex); } err_mess += "\n"; } diff --git 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zKY^o+tpz0!sW10KW1>R&`-BkZHe{aY-T2UN15#h^n;sAkXk|iJ`Y+`q-Gp-btwHi~ ze|1pkcM5&-pZt{m3z*Tq7hMynFZW@0iyv4NAt>vY`m+5yg?^cklfRer3w`3fHc diff --git a/CPlab2_LexicalAnalysis/result.txt b/CPlab2_LexicalAnalysis/result.txt index 92914fb..301a65b 100644 --- a/CPlab2_LexicalAnalysis/result.txt +++ b/CPlab2_LexicalAnalysis/result.txt @@ -23,44 +23,3 @@ < 5 , 16 > < ) , 27 > < { , 28 > -< var_b , 15 > -< = , 35 > -< var_b , 15 > -< + , 21 > -< 1 , 16 > -< ; , 25 > -< } , 29 > -< else , 4 > -< var_b , 15 > -< = , 35 > -< var_b , 15 > -< - , 22 > -< 4 , 16 > -< ; , 25 > -< do , 7 > -< { , 28 > -< test , 15 > -< * , 23 > -< / , 24 > -< } , 29 > -< while , 6 > -< ( , 26 > -< var_b , 15 > -< > , 33 > -< 5 , 16 > -< ) , 27 > -< ; , 25 > -< a , 15 > -< b , 15 > -< c , 15 > -< = , 35 > -< 0 , 16 > -< ; , 25 > -< abc , 15 > -< = , 35 > -< 0 , 16 > -< ; , 25 > -< return , 15 > -< 0 , 16 > -< ; , 25 > -< } , 29 > From bd3977802f4b2c38cbdac5f0118a887468ee8032 Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Thu, 20 Dec 2018 19:14:41 +0800 Subject: [PATCH 06/11] fix lab2 --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index 90641e4..edee37b 100644 --- a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -153,7 +153,7 @@ int main() } } if(err_mess != "") { - cout< Date: Thu, 20 Dec 2018 19:32:16 +0800 Subject: [PATCH 07/11] remove err --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 30 ++++++++++------------ 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index edee37b..30eb5c7 100644 --- a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -27,8 +27,6 @@ int keyword_num[9] = { char symbol[9] = { '+','-','*','/',';','(',')','{','}'}; //对应的种码值 int symbol_num[9] = { 21,22,23,24,25,26,27,28,29 }; -//错误命名 -string err_mess = ""; //判断是否为字母 bool IsLetter(char ch) { @@ -152,9 +150,7 @@ int main() str = strtok(NULL, delims); } } - if(err_mess != "") { - printf("%s", err_mess.c_str()); - } + return 0; } @@ -208,21 +204,23 @@ void Scanner(char *str) { if (IsDigit(*(str + i)) && (!flag)) { if(IsLetter(*(str + i + 1))) { - err_mess += *(str + 1); + Token += *(str + i); int tempIndex = 1; while(IsLetter(*(str + i + tempIndex))) { - err_mess += *(str + i + tempIndex); + Token += *(str + i + tempIndex); } - err_mess += "\n"; - } - while (IsDigit(*(str + i))) - { - Token += *(str + i); - i++; + printf("", Token.c_str()); + Token = ""; + } else { + while (IsDigit(*(str + i))) + { + Token += *(str + i); + i++; + } + type = NUM; + printf("< %s , %d >\n", Token.c_str(), type); + Token = ""; } - type = NUM; - printf("< %s , %d >\n", Token.c_str(), type); - Token = ""; } //<,<=,<> From e9b003b54e633e3f1fb03d07ba8336fc5acc6b84 Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Thu, 20 Dec 2018 19:47:38 +0800 Subject: [PATCH 08/11] handle wrong id --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 41 +++++++++++++--------- 1 file changed, 25 insertions(+), 16 deletions(-) diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index 30eb5c7..c5e7e71 100644 --- a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -27,6 +27,8 @@ int keyword_num[9] = { char symbol[9] = { '+','-','*','/',';','(',')','{','}'}; //对应的种码值 int symbol_num[9] = { 21,22,23,24,25,26,27,28,29 }; +// 判断是否出错 +bool err_flag = false; //判断是否为字母 bool IsLetter(char ch) { @@ -146,9 +148,12 @@ int main() } Scanner(str); - + if (err_flag) { + break; + } str = strtok(NULL, delims); } + if(err_flag) break; } return 0; @@ -203,24 +208,28 @@ void Scanner(char *str) { if (IsDigit(*(str + i)) && (!flag)) { - if(IsLetter(*(str + i + 1))) { + + while (IsDigit(*(str + i))) + { Token += *(str + i); - int tempIndex = 1; - while(IsLetter(*(str + i + tempIndex))) { - Token += *(str + i + tempIndex); + if(IsLetter(*(str + i + 1))) { + int tempIndex = 1; + while(IsLetter(*(str + i + tempIndex))) { + Token += *(str + i + tempIndex); + tempIndex += 1; + } + printf("", Token.c_str()); + Token = ""; + err_flag = true; + break; } - printf("", Token.c_str()); - Token = ""; - } else { - while (IsDigit(*(str + i))) - { - Token += *(str + i); - i++; - } - type = NUM; - printf("< %s , %d >\n", Token.c_str(), type); - Token = ""; + i++; } + if (err_flag) break; + type = NUM; + printf("< %s , %d >\n", Token.c_str(), type); + Token = ""; + } //<,<=,<> From 78a25c8cc8d975fb8054568604bb0a2db0a07d62 Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Thu, 27 Dec 2018 18:35:36 +0800 Subject: [PATCH 09/11] reserve --- CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index c5e7e71..94db2a8 100644 --- a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -24,7 +24,7 @@ int keyword_num[9] = { 6,7,8,9 }; //部分运算符，定界符等 -char symbol[9] = { '+','-','*','/',';','(',')','{','}'}; +char symbol[9] = { '+', '-', '*', '/', ';', '(' ,')' ,'{' ,'}'}; //对应的种码值 int symbol_num[9] = { 21,22,23,24,25,26,27,28,29 }; // 判断是否出错 From 3902ac5b8535ce4802d73d4b4915345debbe2b5d Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Fri, 4 Jan 2019 12:56:23 +0800 Subject: [PATCH 10/11] add new coede --- CPlab3_RecursiveDescent/RecursiveDescent.py | 91 +++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 CPlab3_RecursiveDescent/RecursiveDescent.py diff --git a/CPlab3_RecursiveDescent/RecursiveDescent.py b/CPlab3_RecursiveDescent/RecursiveDescent.py new file mode 100644 index 0000000..1287577 --- /dev/null +++ b/CPlab3_RecursiveDescent/RecursiveDescent.py @@ -0,0 +1,91 @@ +import re +import collections + +# Tokens +NUM = r'(?P\d+)' +PLUS = r'(?P\+)' +MINUS = r'(?P-)' +TIMES = r'(?P\*)' +DIVIDE = r'(?P/)' +LPAREN = r'(?P\()' +RPAREN = r'(?P\))' +WS = r'(?P\s+)' + +patern = re.compile('|'.join([NUM, PLUS, MINUS, TIMES, DIVIDE, LPAREN, RPAREN, WS])) + +Token = collections.namedtuple('Token', ['type', 'value']) + +def generate_tokens(text): + scanner = patern.scanner(text) + for m in iter(scanner.match, None): + tok = Token(m.lastgroup, m.group()) + if tok.type != 'WS': + yield tok + +class ExpressionParser: + + def parse(self, text): + self.tokens = generate_tokens(text) + self.tok = None + self.nexttok = None + self._advance() + return self.expr() + + def _advance(self): + self.tok, self.nexttok = self.nexttok, next(self.tokens, None) + + def _accept(self, toktype): + if self.nexttok and self.nexttok.type == toktype: + self._advance() + return True + else: + return False + + def _expect(self, toktype): + if not self._accept(toktype): + raise SyntaxError('Expected ' + toktype) + + # Grammer rules + # expression ::= term { ('+'|'-') term }* + # term ::= factor { '*'|'/' factor }* + # factor ::= NUM | (expr) + def expr(self): + "expression ::= term { ('+'|'-') term }*" + exprval = self.term() + while self._accept('PLUS') or self._accept('MINUX'): + op = self.tok.type + right = self.term() + if op == 'PLUS': + exprval += right + elif op == 'MINUS': + exprval -= right + return exprval + + def term(self): + "term ::= factor { '*'|'/' factor }*" + termval = self.factor() + while self._accept('TIMES') or self._accept('DIVIDE'): + op = self.tok.type + right = self.factor() + if op == 'TIMES': + termval *= right + elif op == 'DIVIDE': + termval /= right + return termval + + def factor(self): + "factor ::= NUM | (expr)" + if self._accept('NUM'): + return int(self.tok.value) + elif self._accept('LPAREN'): + exprval = self.expr() + self._expect('RPAREN') + return exprval + else: + raise SyntaxError('Expected NUMBER oe LPAREN') + + + +if __name__ == '__main__': + e = ExpressionParser() + print(e.parse('(3 + 4) * 5 + 6')) \ No newline at end of file From 587667c7652dc57ec4005a9b34ee814d1f88741f Mon Sep 17 00:00:00 2001 From: Gary_Yang Date: Fri, 4 Jan 2019 13:01:49 +0800 Subject: [PATCH 11/11] external code --- 1.txt | 2 + CPlab2_LexicalAnalysis/LexicalAnalysis.cpp | 51 ++++++----- CPlab2_LexicalAnalysis/LexicalAnalysis.py | 94 +++++++++++++++++++++ CPlab2_LexicalAnalysis/result.txt | 1 + CPlab2_LexicalAnalysis/test.cpp | 39 ++++----- CPlab2_LexicalAnalysis/test.py | 3 + ConsoleApplication1.cpp | Bin 0 -> 80144 bytes 7 files changed, 143 insertions(+), 47 deletions(-) create mode 100644 1.txt create mode 100644 CPlab2_LexicalAnalysis/LexicalAnalysis.py create mode 100644 CPlab2_LexicalAnalysis/test.py create mode 100644 ConsoleApplication1.cpp diff --git a/1.txt b/1.txt new file mode 100644 index 0000000..4e21609 --- /dev/null +++ b/1.txt @@ -0,0 +1,2 @@ +const x=8,y=7;var a,b,c;begin a=2*x;;b=a+x+y;;c=a+3*b;end +const x=8,y=7;var a,b,c;begin a=b+x;;if a>0 then begin c=y -1;;a=a+2;end else begin c=a+y;end;while a>0 do a=a-1;end diff --git a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp index 94db2a8..c8d9bb4 100644 --- a/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp +++ b/CPlab2_LexicalAnalysis/LexicalAnalysis.cpp @@ -7,13 +7,13 @@ using namespace std; #define ID 15 #define NUM 16 -//存放处理后的字符串 + char tempstr[255] = {}; -//空格标志 + bool temp = false; -//临时数组 + char word[255] = {}; -//keyword关键字 + string keyword[9] = { "Const", "Var", "if", "else", "then", "while", "do", "begin", "end" @@ -23,13 +23,13 @@ int keyword_num[9] = { 1,2,3,4,5, 6,7,8,9 }; -//部分运算符，定界符等 + char symbol[9] = { '+', '-', '*', '/', ';', '(' ,')' ,'{' ,'}'}; -//对应的种码值 + int symbol_num[9] = { 21,22,23,24,25,26,27,28,29 }; -// 判断是否出错 + bool err_flag = false; -//判断是否为字母 + bool IsLetter(char ch) { if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) @@ -37,7 +37,7 @@ bool IsLetter(char ch) return false; } -//判断是否为数字 + bool IsDigit(char ch) { if (ch >= '0'&&ch <= '9') @@ -45,7 +45,7 @@ bool IsDigit(char ch) return false; } -//判断是否为定界符等 + int IsSymbol(char ch) { for (int i = 0; i<9; i++) @@ -56,7 +56,7 @@ int IsSymbol(char ch) return -1; } -//判断是否为关键字 + int IsKeyword(string str) { for (int i = 0; i<26; i++) @@ -66,15 +66,15 @@ int IsKeyword(string str) return i; } } - //不是关键字即为ID + return ID; } -//空格处理 + void HandleSpace(char a[]) { int j = 0; - memset(word, 0, 255);//需要清空，不然可能残留上次的字符串 + memset(word, 0, 255); temp = false; for (int i = 0; i < strlen(a); i++) { @@ -95,7 +95,7 @@ void HandleSpace(char a[]) } } -//处理"//"注释 + void prePro() { int j = 0; @@ -120,11 +120,11 @@ void Scanner(char *str); int main() { - char instr[255] = {}; //接收输入字符串 - bool flag = false; //多行注释标志,false为未处于注释区域 - string Token;//存放字符串 - char *str = NULL;//存放每行的字符串 - char delims[] = " ";//分割标志 + char instr[255] = {}; + bool flag = false; + string Token; + char *str = NULL; + char delims[] = " "; freopen("test.cpp", "r", stdin); freopen("result.txt", "w", stdout); @@ -136,11 +136,11 @@ int main() HandleSpace(instr); prePro(); - str = strtok(tempstr, delims);//分割字符串 + str = strtok(tempstr, delims); while (str != NULL) { - //头文件，宏定义 + if (*(str) == '#') { printf("#\n"); @@ -160,8 +160,8 @@ int main() } void Scanner(char *str) { - bool flag = false; //多行注释标志,false为未处于注释区域 - string Token;//存放字符串 + bool flag = false; + string Token; int type = 0; for (int i = 0; i=', '<>', '<', '>', '='] + word_map = {key: i+1 for i, key in enumerate(KEY_WORDS)} + word_map.update({key: i+21 for i, key in enumerate(SYMBOLS)}) + def process(string): + word = '' + if ' ' in string: + for s in string.split(' '): + word += s + else: + word = string + if '//' in word: + return word.split('//')[0] + return word + + def have_keywords(word): + for keyword in KEY_WORDS: + if keyword in word: + return keyword + return None + + def have_symbol(word): + for sy in SYMBOLS: + if sy in word: + return sy + return None + + def is_alpha(ch): + return (ch >= 'a' and ch <= 'z') or (ch >= 'A' and ch <= 'Z') + + def is_digit(ch): + return ch >= '0' and ch <= '9' + + # def is_in_symbols(c): + # return c in SYMBOLS + + # def is_keywords(c): + # return c in KEY_WORDS + + + queue = [process(string)] + if '/*' in queue[0] or '*/' in queue[0]: + return + stop = False + while not stop: + changed = False + tempQueue = [] + for item in queue: + key = have_keywords(item) + sy = have_symbol(item) + if key and key != item: + changed = True + item1, item2 = item.split(key) + if item1: + tempQueue.append(item1) + tempQueue.append(key) + if item2: + tempQueue.append(item2) + continue + elif sy and sy != item: + changed = True + sp = item.split(sy) + for i, it in enumerate(sp): + if it: + tempQueue.append(it) + if i != len(sp) - 1: + tempQueue.append(sy) + + else: + tempQueue.append(item) + + if item == queue[-1] and not changed: + stop = True + queue = tempQueue.copy() + for item in queue: + if item in word_map: + print("<", item, ",", word_map[item],">") + else: + if item and is_alpha(item[0]): + print("<", item, ",", 15,">") + if item and is_digit(item[0]): + print("<", item, ",", 16,">") + +def main(): + with open('./test.cpp', 'r') as r_stream: + for line in r_stream: + if line: + if '\n' in line: + scan(line[0:-1]) + else: + scan(line) + +main() \ No newline at end of file diff --git a/CPlab2_LexicalAnalysis/result.txt b/CPlab2_LexicalAnalysis/result.txt index 301a65b..d183536 100644 --- a/CPlab2_LexicalAnalysis/result.txt +++ b/CPlab2_LexicalAnalysis/result.txt @@ -23,3 +23,4 @@ < 5 , 16 > < ) , 27 > < { , 28 > + \ No newline at end of file diff --git a/CPlab2_LexicalAnalysis/test.cpp b/CPlab2_LexicalAnalysis/test.cpp index bc3a7be..bde4f5e 100644 --- a/CPlab2_LexicalAnalysis/test.cpp +++ b/CPlab2_LexicalAnalysis/test.cpp @@ -1,22 +1,19 @@ -#include -int main() -{ - //test - Const const_a = 10; - Var var_b = 15; - - if (const_a > 5){ - 1var_b = var_b + 1; - } - else - var_b = var_b - 4; - - do { - /* test */ - } while(var_b > 5); - - 6a, b, c = 0; - abc = 0; +Const x=8,y=7; +Var a,b,c; +begin + a=b+x; - return 0; -} \ No newline at end of file + if a>0 + then + begin + c=y -; + a=a+2; + end + else + begi + c=a+y; + end + + while a>0 + do a=a-1; +end \ No newline at end of file diff --git a/CPlab2_LexicalAnalysis/test.py b/CPlab2_LexicalAnalysis/test.py new file mode 100644 index 0000000..b79b3da --- /dev/null +++ b/CPlab2_LexicalAnalysis/test.py @@ -0,0 +1,3 @@ +a = 'adsd;' +if 'adsd;' in a: + print('vfs') \ No newline at end of file diff --git a/ConsoleApplication1.cpp b/ConsoleApplication1.cpp new file mode 100644 index 0000000000000000000000000000000000000000..5be67ec37539ab36d10134516126ef2479ce3af7 GIT binary patch literal 80144 zcmeHweT-elb>B@JsCtbRw?GlVCJ$kM;|ESV0 z!)|3H>iOOCetXW$ow@hEeQ&v3Nm#tyxA)GRIdi_xnYnY{|FZ{*2a1tmp?IOVUMv?^ zi(SRJVo`n`lB>Tod9?f0bNk2t=fp3Z*>>$GzWBzOmF1bIzB}=?#Xqo6K=e=5$5w?U29o#l>QK@oP z(R)T(O$k+}ORCIB-};u9q~%5FWn=6RSUSf2@{Kqx6*mO0nFO>8Lj6lJ=2_`=u6R*e 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