assignment

analyzers/test/test.l

@@ -2,24 +2,38 @@
 #include "test.tab.h"
 #include <stdio.h>
 #include <string.h>
+#include <stdlib.h>
 
-int CURRENT_LINE_NUMBER = 0;
+int CURRENT_LINE_NUMBER = 1;
 
 void yyerror(const char *s) {
-    fprintf(stderr, "\033[91mError at line %i\033[0m", CURRENT_LINE_NUMBER);
+    fprintf(stderr, "\033[91mError at line %i: %s\033[0m\n", CURRENT_LINE_NUMBER, s);
     exit(1);
 }
 
 %}
 
 %%
-"{"     { return LBRACE; }
+
-"}"     { return RBRACE; }
+[a-zA-Z_][a-zA-Z0-9_]* { 
-\n      { CURRENT_LINE_NUMBER++; }
+    yylval.str = strdup(yytext); 
-[^{}]+ {
+    return IDENTIFIER; 
-        yylval.str = strdup(yytext);
+}
-        return TEXT;
+[0-9]+                 { 
-       }
+    yylval.str = strdup(yytext); 
+    return NUMBER; 
+}
+":="                   { return ASSIGN; }
+"{"                    { return LBRACE; }
+"}"                    { return RBRACE; }
+[ \t]+                 ; // Пропускаем пробелы и табы
+\n                     { CURRENT_LINE_NUMBER++; }
+.                      { 
+    fprintf(stderr, "\033[91mUnexpected character at line %i: %c\033[0m\n", 
+            CURRENT_LINE_NUMBER, yytext[0]);
+    exit(1);
+}
+
 %%
 
 int yywrap() {

analyzers/test/test.y

@@ -9,35 +9,55 @@ extern char *yytext;
 extern void yyerror(const char *s);
 extern int yylex();
 extern FILE *yyin;
+
+void free_node(char *str) {
+    if (str) free(str);
+}
 %}
 
 %union {
     char *str;
 }
 
-%token <str> TEXT
+%token <str> IDENTIFIER NUMBER TEXT
-%token LBRACE RBRACE
+%token ASSIGN LBRACE RBRACE
+
+%type <str> expr
 
 %%
 
+program:
+    | program expr
+    | program block
+    ;
+
 block: 
     LBRACE content RBRACE 
     ;
 
 content:
     | content TEXT { 
-        printf("TOKEN ('%s')\n", $2); 
+        printf("TEXT: '%s'\n", $2); 
-        free($2); } 
+        free_node($2); } 
     | content block
+    | content expr
     ;
+
+expr:
+    IDENTIFIER ASSIGN NUMBER {
+        printf("Assignment: %s := %s\n", $1, $3);
+        free_node($1);
+        free_node($3);
+    }
+    ;
+
 %%
 
 int main(int argc, char **argv) {
-
     if (argc > 1) {
         FILE *f = fopen(argv[1], "r");
         if (!f) {
-            perror("\033[91mFail open file\033[0m");
+            perror("\033[91mFailed to open file\033[0m");
             return 1;
         }
         yyin = f;

tests/test_blocks.txt

@@ -1,13 +1,8 @@
+a := 1
 {
-    { 1 231233
+    a := 1
-        {1}{}
-        block1 {
-            block2 { block3 }
-            block4 asjdb asd bajds ba
-        } 126316
-        block5
-    }
     {
-        123
+
+        b := 2
     }
 }