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cobol-interpreter-lab
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variables now parse

This commit is contained in:
vel 2024-11-05 15:59:58 -08:00
parent 8a4ebb00c9
commit 243faa8e15
Signed by: velvox
GPG Key ID: 59D9762F674151DF
3 changed files with 91 additions and 32 deletions
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35
lab-4/parser.bison
View File

@ -71,6 +71,7 @@ statement : section
| sect_data
| simple_stmt
| data_space
| data_declaration
;
section : type TOKEN_KEYWORD_DIVISION TOKEN_DOT
| type TOKEN_RUN TOKEN_DOT
@ -99,9 +100,41 @@ if_branch : if_branch parms if_branch
| TOKEN_ELSE
| TOKEN_END_IF
;
data_space : TOKEN_WORKING_STORAGE TOKEN_KEYWORD_SECTION TOKEN_DOT
data_space : TOKEN_WORKING_STORAGE
| TOKEN_KEYWORD_SECTION
| TOKEN_DOT
;
data_category : TOKEN_ALPHANUMERIC
| TOKEN_NUMERIC
| TOKEN_SIGNED_NUMERIC
| TOKEN_IMPLIED_DECIMAL
;
categry_contain : TOKEN_LEFT_PARENTHESIS TOKEN_INTEGER TOKEN_RIGHT_PARENTHESIS
;
complete_category: complete_category complete_category
| data_category categry_contain
;
data_clause : TOKEN_COMPUTATION_LEVEL_0
| TOKEN_COMPUTATION_LEVEL_1
| TOKEN_COMPUTATION_LEVEL_2
| TOKEN_COMPUTATION_LEVEL_3
| TOKEN_KEYWORD_VALUE
| TOKEN_KEYWORD_OCCURS
;
full_data_clause: data_clause data_clause
| data_clause
;
data_declaration: simple_decl
| full_decl
;
simple_decl : TOKEN_INTEGER TOKEN_IDENT TOKEN_DOT
;
full_decl : TOKEN_INTEGER TOKEN_IDENT TOKEN_PICTURE complete_category TOKEN_DOT
| TOKEN_INTEGER TOKEN_IDENT TOKEN_PICTURE complete_category full_data_clause TOKEN_DOT
| TOKEN_INTEGER TOKEN_IDENT TOKEN_PICTURE complete_category full_data_clause TOKEN_INTEGER TOKEN_DOT
;

24
lab-4/samples/only-variables.cbl Normal file
View File

@ -0,0 +1,24 @@
IDENTIFICATION DIVISION.
PROGRAM-ID. variables.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 WS-SORT-AREA.
05 WS-SORT-TABLE.
10 WS-SORT-ROW PIC X(10) OCCURS 100.
05 WS-TEMP-ROW PIC X(10).
05 WS-ROW-MAX PIC S9(4) COMP VALUE 100.
05 WS-SORT-MAX PIC S9(4) COMP.
05 WS-I PIC S9(4) COMP.
05 WS-J PIC S9(4) COMP.
05 WS-INDEX PIC S9(4) COMP.
77 a PIC S9(5)V9(5) COMP-3 VALUE 1.
77 b PIC S9(5)V9(5) COMP-3 VALUE 5.
77 c PIC S9(5)V9(5) COMP-3 VALUE 6.
77 discriminant PIC S9(5)V9(5) COMP-3.
77 root1 PIC S9(5)V9(5) COMP-3.
77 root2 PIC S9(5)V9(5) COMP-3.
77 square-root-discriminant PIC S9(5)V9(5) COMP-3.
PROCEDURE DIVISION.
DISPLAY 'Hello World!'
STOP RUN.

64
lab-4/token.h
View File

@ -73,37 +73,39 @@ extern int yydebug;
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 */
TOKEN_ELSE = 277, /* TOKEN_ELSE */
TOKEN_ELSE_IF = 278, /* TOKEN_ELSE_IF */
TOKEN_END_IF = 279, /* TOKEN_END_IF */
TOKEN_SPACE = 280, /* TOKEN_SPACE */
TOKEN_KEYWORD_OCCURS = 281, /* TOKEN_KEYWORD_OCCURS */
TOKEN_KEYWORD_VALUE = 282, /* TOKEN_KEYWORD_VALUE */
TOKEN_KEYWORD_COMPUTE = 283, /* TOKEN_KEYWORD_COMPUTE */
TOKEN_KEYWORD_FUNCTION = 284, /* TOKEN_KEYWORD_FUNCTION */
TOKEN_IDENT = 285, /* TOKEN_IDENT */
TOKEN_STRING = 286, /* TOKEN_STRING */
TOKEN_INTEGER = 287, /* TOKEN_INTEGER */
TOKEN_PICTURE = 288, /* TOKEN_PICTURE */
TOKEN_ALPHANUMERIC = 289, /* TOKEN_ALPHANUMERIC */
TOKEN_NUMERIC = 290, /* TOKEN_NUMERIC */
TOKEN_SIGNED_NUMERIC = 291, /* TOKEN_SIGNED_NUMERIC */
TOKEN_IMPLIED_DECIMAL = 292, /* TOKEN_IMPLIED_DECIMAL */
TOKEN_COMPUTATION_LEVEL_0 = 293, /* TOKEN_COMPUTATION_LEVEL_0 */
TOKEN_COMPUTATION_LEVEL_1 = 294, /* TOKEN_COMPUTATION_LEVEL_1 */
TOKEN_COMPUTATION_LEVEL_2 = 295, /* TOKEN_COMPUTATION_LEVEL_2 */
TOKEN_COMPUTATION_LEVEL_3 = 296, /* TOKEN_COMPUTATION_LEVEL_3 */
TOKEN_LEFT_PARENTHESIS = 297, /* TOKEN_LEFT_PARENTHESIS */
TOKEN_RIGHT_PARENTHESIS = 298, /* TOKEN_RIGHT_PARENTHESIS */
TOKEN_DOT = 299, /* TOKEN_DOT */
TOKEN_COMMENT = 300, /* TOKEN_COMMENT */
TOKEN_ADD = 301, /* TOKEN_ADD */
TOKEN_SUB = 302, /* TOKEN_SUB */
TOKEN_MULTIPLY = 303, /* TOKEN_MULTIPLY */
TOKEN_DIVIDE = 304, /* TOKEN_DIVIDE */
TOKEN_EQUAL = 305, /* TOKEN_EQUAL */
TOKEN_GREATER_THAN = 306, /* TOKEN_GREATER_THAN */
TOKEN_LESS_THAN = 307, /* TOKEN_LESS_THAN */
TOKEN_EXPONENTIAL = 308, /* TOKEN_EXPONENTIAL */
TOKEN_DISPLAY = 309 /* TOKEN_DISPLAY */
};
typedef enum yytokentype yytoken_kind_t;
#endif