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cobol-interpreter-lab
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reducing conflicts

This commit is contained in:
Josh 2024-11-12 15:48:10 -08:00
parent 2f9ed95311
commit 2d3dfc621c
2 changed files with 22 additions and 15 deletions
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26
lab-4/parser.bison
View File

@ -99,20 +99,26 @@ assignment_stmt : TOKEN_EQUAL ext_function
| TOKEN_EQUAL function
| TOKEN_KEYWORD_TO op_parms
;
op_parms : op_parms TOKEN_ADD op_parms
| op_parms TOKEN_SUB op_parms
| op_parms TOKEN_MULTIPLY op_parms
| op_parms TOKEN_DIVIDE op_parms
| op_parms TOKEN_EXPONENTIAL op_parms
| op_parms TOKEN_LESS_THAN op_parms
op_parms : mathmaticalexpr
| booleanexpr
| otherexpr
| type_expr
;
mathmaticalexpr : type_expr TOKEN_ADD type_expr
| type_expr TOKEN_SUB type_expr
| type_expr TOKEN_MULTIPLY type_expr
| type_expr TOKEN_DIVIDE type_expr
| type_expr TOKEN_EXPONENTIAL type_expr
| TOKEN_SUB type_expr
;
booleanexpr : op_parms TOKEN_LESS_THAN op_parms
| op_parms TOKEN_GREATER_THAN op_parms
| op_parms TOKEN_EQUAL op_parms
| TOKEN_SUB op_parms
| TOKEN_LEFT_PARENTHESIS op_parms TOKEN_RIGHT_PARENTHESIS
| expr
;
otherexpr : TOKEN_LEFT_PARENTHESIS op_parms TOKEN_RIGHT_PARENTHESIS
| op_parms op_parms
;
expr : TOKEN_IDENT
type_expr : TOKEN_IDENT
| TOKEN_INTEGER
| TOKEN_STRING
| TOKEN_SPACE

11
lab-5/parser.bison
View File

@ -131,11 +131,12 @@ op_parms : mathmaticalexpr
| otherexpr
| type_expr
;
mathmaticalexpr : op_parms TOKEN_ADD op_parms
| op_parms TOKEN_SUB op_parms
| op_parms TOKEN_MULTIPLY op_parms
| op_parms TOKEN_DIVIDE op_parms
| op_parms TOKEN_EXPONENTIAL op_parms
mathmaticalexpr : type_expr TOKEN_ADD type_expr
| type_expr TOKEN_SUB type_expr
| type_expr TOKEN_MULTIPLY type_expr
| type_expr TOKEN_DIVIDE type_expr
| type_expr TOKEN_EXPONENTIAL type_expr
| TOKEN_SUB type_expr
;
booleanexpr : op_parms TOKEN_LESS_THAN op_parms
| op_parms TOKEN_GREATER_THAN op_parms