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cobol-interpreter-lab
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added parser text

This commit is contained in:
Josh 2024-10-31 11:46:29 -07:00
parent 619a53bf09
commit f899a5fcbc
1 changed files with 18 additions and 0 deletions
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18
lab-4/parser.bison
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@ -68,6 +68,7 @@ statements : statements statement
statement : section
| sect_data
| simple_stmt
| data_space
;
section : type TOKEN_KEYWORD_DIVISION TOKEN_DOT
| type TOKEN_RUN TOKEN_DOT
@ -80,11 +81,28 @@ type : TOKEN_IDENTIFICATION
| TOKEN_KEYWORD_DATA
;
simple_stmt : function
| TOKEN_KEYWORD_FUNCTION cbl_function
;
cbl_function : TOKEN_KEYWORD_COMPUTE parms
;
function : TOKEN_DISPLAY parms
| function simple_stmt
| if_branch
;
parms : TOKEN_STRING
;
if_branch : if_branch parms if_branch
| TOKEN_IF
| TOKEN_ELSE_IF
| TOKEN_ELSE
| TOKEN_END_IF
;
data_space : TOKEN_WORKING_STORAGE TOKEN_KEYWORD_SECTION TOKEN_DOT
;
%%