From f3023ba5f48d6a8a3be130b9c6c30069f332d1fa Mon Sep 17 00:00:00 2001
From: serr <sc7227484@gmail.com>
Date: Sun, 30 Mar 2025 17:51:29 +0300
Subject: [PATCH] calc test

---
 .gitignore       |  1 +
 analyzers/calc.l | 12 ++++++++++++
 analyzers/calc.y | 33 +++++++++++++++++++++++++++++++++
 main.py          | 37 +++++++++++++++++++++++++++++++++++++
 4 files changed, 83 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 analyzers/calc.l
 create mode 100644 analyzers/calc.y
 create mode 100644 main.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..adb36c8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.exe
\ No newline at end of file
diff --git a/analyzers/calc.l b/analyzers/calc.l
new file mode 100644
index 0000000..3ccaccb
--- /dev/null
+++ b/analyzers/calc.l
@@ -0,0 +1,12 @@
+%{
+#include "calc.tab.h"  // Автоматически создаётся Bison
+%}
+
+%%
+[0-9]+      { yylval = atoi(yytext); return NUMBER; }
+[-+*/()]    { return yytext[0]; }
+[ \t\n]     ;  // Игнорируем пробелы и переносы
+.           { printf("unknown: %s\n", yytext); }
+%%
+
+int yywrap() { return 1; }
\ No newline at end of file
diff --git a/analyzers/calc.y b/analyzers/calc.y
new file mode 100644
index 0000000..fe710d0
--- /dev/null
+++ b/analyzers/calc.y
@@ -0,0 +1,33 @@
+%{
+#include <stdio.h>
+#include <stdlib.h>
+void yyerror(const char *s);
+int yylex();
+%}
+
+%token NUMBER
+%left '+' '-'
+%left '*' '/'
+
+%%
+input:    /* пусто */
+      | input expr { printf("= %d\n", $2); }
+      ;
+
+expr:    NUMBER          { $$ = $1; }
+      | expr '+' expr   { $$ = $1 + $3; }
+      | expr '-' expr   { $$ = $1 - $3; }
+      | expr '*' expr   { $$ = $1 * $3; }
+      | expr '/' expr   { $$ = $1 / $3; }
+      | '(' expr ')'    { $$ = $2; }
+      ;
+%%
+
+void yyerror(const char *s) {
+    fprintf(stderr, "ERROR: %s\n", s);
+}
+
+int main() {
+    yyparse();
+    return 0;
+}
\ No newline at end of file
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..7679eff
--- /dev/null
+++ b/main.py
@@ -0,0 +1,37 @@
+import os
+import subprocess
+
+def main():
+
+    # Подготовка констант
+    FLEX_EXE_PATH = r"C:\tools\win_flex_bison\win_flex.exe"
+    BISON_EXE_PATH = r"C:\tools\win_flex_bison\win_bison.exe"
+    ANALYZER_NAME = f'calc' # basename .l, .y файлов
+    LEXICAL_ANALYZER_PATH = fr"analyzers\{ANALYZER_NAME}.l"
+    SYNTAXIC_ANALYZER_PATH = fr"analyzers\{ANALYZER_NAME}.y"
+    #
+
+    # Подготовка списка команд
+    cmds = [f'{FLEX_EXE_PATH} {LEXICAL_ANALYZER_PATH}',
+            f'{BISON_EXE_PATH} -d {SYNTAXIC_ANALYZER_PATH}',
+            f'gcc lex.yy.c {ANALYZER_NAME}.tab.c -o {ANALYZER_NAME}.exe']
+    #
+
+    # Исполнение команд
+    for cmd in cmds:
+        try:
+            subprocess.run(cmd, capture_output=True, check=True)
+            print(f'\033[92mSuccess execute {cmd}!\033[0m')
+        except subprocess.CalledProcessError as e:
+            print(f"\033[91mError during export: {e}\033[0m")
+    #
+
+    # Очистка
+    for path in ['lex.yy.c', 
+                 f'{ANALYZER_NAME}.tab.c', 
+                 f'{ANALYZER_NAME}.tab.h']:
+        os.remove(path)
+    #
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file