adding work

lab-4/main_test.c

@@ -43,9 +43,9 @@ UTEST(parser, missing_semi_colon) {
   ASSERT_EQ(result, 1); 
 }
 
-UTEST(parser, sample) {
+UTEST(parser, hello) {
   // Read sample file as input
-  yyin = fopen("samples/program.c", "r");
+  yyin = fopen("samples/hello-world.cbl", "r");
   yyrestart(yyin);
   ASSERT_TRUE(yyin);
 
@@ -55,3 +55,4 @@ UTEST(parser, sample) {
   // Assert the result to test correctness
   ASSERT_EQ(result, 0); 
 }
+  

lab-4/parser.bison

@@ -77,6 +77,7 @@ sect_data       : TOKEN_PROGRAM_ID  TOKEN_DOT TOKEN_IDENT TOKEN_DOT
 type            : TOKEN_IDENTIFICATION
                 | TOKEN_PROCEDURE
                 | TOKEN_STOP
+                | TOKEN_KEYWORD_DATA
                 ;
 simple_stmt     : function
                 ;

lab-4/token.h

@@ -0,0 +1,125 @@
+/* A Bison parser, made by GNU Bison 3.8.2.  */
+
+/* Bison interface for Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
+   Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
+   especially those whose name start with YY_ or yy_.  They are
+   private implementation details that can be changed or removed.  */
+
+#ifndef YY_YY_TOKEN_H_INCLUDED
+# define YY_YY_TOKEN_H_INCLUDED
+/* Debug traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 1
+#endif
+#if YYDEBUG
+extern int yydebug;
+#endif
+
+/* Token kinds.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+  enum yytokentype
+  {
+    YYEMPTY = -2,
+    YYEOF = 0,                     /* "end of file"  */
+    YYerror = 256,                 /* error  */
+    YYUNDEF = 257,                 /* "invalid token"  */
+    TOKEN_EOF = 258,               /* TOKEN_EOF  */
+    TOKEN_IDENTIFICATION = 259,    /* TOKEN_IDENTIFICATION  */
+    TOKEN_KEYWORD_DIVISION = 260,  /* TOKEN_KEYWORD_DIVISION  */
+    TOKEN_KEYWORD_DATA = 261,      /* TOKEN_KEYWORD_DATA  */
+    TOKEN_KEYWORD_SECTION = 262,   /* TOKEN_KEYWORD_SECTION  */
+    TOKEN_PROGRAM_ID = 263,        /* TOKEN_PROGRAM_ID  */
+    TOKEN_WORKING_STORAGE = 264,   /* TOKEN_WORKING_STORAGE  */
+    TOKEN_PROCEDURE = 265,         /* TOKEN_PROCEDURE  */
+    TOKEN_STOP = 266,              /* TOKEN_STOP  */
+    TOKEN_RUN = 267,               /* TOKEN_RUN  */
+    TOKEN_MOVE = 268,              /* TOKEN_MOVE  */
+    TOKEN_KEYWORD_TO = 269,        /* TOKEN_KEYWORD_TO  */
+    TOKEN_PERFORM = 270,           /* TOKEN_PERFORM  */
+    TOKEN_VARYING = 271,           /* TOKEN_VARYING  */
+    TOKEN_KEYWORD_FROM = 272,      /* TOKEN_KEYWORD_FROM  */
+    TOKEN_KEYWORD_BY = 273,        /* TOKEN_KEYWORD_BY  */
+    TOKEN_UNTIL = 274,             /* TOKEN_UNTIL  */
+    TOKEN_END_PERFORM = 275,       /* TOKEN_END_PERFORM  */
+    TOKEN_IF = 276,                /* TOKEN_IF  */
+    TOKEN_END_IF = 277,            /* TOKEN_END_IF  */
+    TOKEN_SPACE = 278,             /* TOKEN_SPACE  */
+    TOKEN_KEYWORD_OCCURS = 279,    /* TOKEN_KEYWORD_OCCURS  */
+    TOKEN_KEYWORD_VALUE = 280,     /* TOKEN_KEYWORD_VALUE  */
+    TOKEN_KEYWORD_COMPUTE = 281,   /* TOKEN_KEYWORD_COMPUTE  */
+    TOKEN_KEYWORD_FUNCTION = 282,  /* TOKEN_KEYWORD_FUNCTION  */
+    TOKEN_IDENT = 283,             /* TOKEN_IDENT  */
+    TOKEN_STRING = 284,            /* TOKEN_STRING  */
+    TOKEN_INTEGER = 285,           /* TOKEN_INTEGER  */
+    TOKEN_PICTURE = 286,           /* TOKEN_PICTURE  */
+    TOKEN_ALPHANUMERIC = 287,      /* TOKEN_ALPHANUMERIC  */
+    TOKEN_NUMERIC = 288,           /* TOKEN_NUMERIC  */
+    TOKEN_SIGNED_NUMERIC = 289,    /* TOKEN_SIGNED_NUMERIC  */
+    TOKEN_IMPLIED_DECIMAL = 290,   /* TOKEN_IMPLIED_DECIMAL  */
+    TOKEN_COMPUTATION_LEVEL_0 = 291, /* TOKEN_COMPUTATION_LEVEL_0  */
+    TOKEN_COMPUTATION_LEVEL_1 = 292, /* TOKEN_COMPUTATION_LEVEL_1  */
+    TOKEN_COMPUTATION_LEVEL_2 = 293, /* TOKEN_COMPUTATION_LEVEL_2  */
+    TOKEN_COMPUTATION_LEVEL_3 = 294, /* TOKEN_COMPUTATION_LEVEL_3  */
+    TOKEN_LEFT_PARENTHESIS = 295,  /* TOKEN_LEFT_PARENTHESIS  */
+    TOKEN_RIGHT_PARENTHESIS = 296, /* TOKEN_RIGHT_PARENTHESIS  */
+    TOKEN_DOT = 297,               /* TOKEN_DOT  */
+    TOKEN_COMMENT = 298,           /* TOKEN_COMMENT  */
+    TOKEN_ADD = 299,               /* TOKEN_ADD  */
+    TOKEN_SUB = 300,               /* TOKEN_SUB  */
+    TOKEN_MULTIPLY = 301,          /* TOKEN_MULTIPLY  */
+    TOKEN_DIVIDE = 302,            /* TOKEN_DIVIDE  */
+    TOKEN_EQUAL = 303,             /* TOKEN_EQUAL  */
+    TOKEN_GREATER_THAN = 304,      /* TOKEN_GREATER_THAN  */
+    TOKEN_LESS_THAN = 305,         /* TOKEN_LESS_THAN  */
+    TOKEN_EXPONENTIAL = 306,       /* TOKEN_EXPONENTIAL  */
+    TOKEN_DISPLAY = 307            /* TOKEN_DISPLAY  */
+  };
+  typedef enum yytokentype yytoken_kind_t;
+#endif
+
+/* Value type.  */
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef int YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+extern YYSTYPE yylval;
+
+
+int yyparse (void);
+
+
+#endif /* !YY_YY_TOKEN_H_INCLUDED  */