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cobol-interpreter-lab
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adding if_branch

This commit is contained in:
Josh 2024-11-14 17:50:38 -08:00
parent 2bab25cad9
commit 681673c47d
1 changed files with 3 additions and 3 deletions
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6
lab-5/parser.bison
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@ -95,7 +95,7 @@ struct stmt *parser_result = 0;
struct type *type;
}
%type <stmt> statement_list statement section stop_run sect_data simple_stmt cbl_func_stmt cbl_function
%type <stmt> statement_list statement section stop_run sect_data simple_stmt cbl_func_stmt cbl_function if_branch else_parts perform_stmt data_space
%type <expr> mathmaticalexpr booleanexpr term op_parm container_expr type_expr op_parms math_op categry_contain category_value
%type <decl> assignment_stmt simple_decl complex_decl data_declaration
%type <type> data_category complete_category category_spec data_clause
@ -137,7 +137,6 @@ type : TOKEN_KEYWORD_IDENTIFICATION
simple_stmt : cbl_func_stmt
{$$ = $1;}
| if_branch
| else_parts
| perform_stmt
;
cbl_func_stmt : cbl_function op_parms
@ -217,7 +216,8 @@ cbl_function : TOKEN_DISPLAY
| TOKEN_KEYWORD_COMPUTE
{$$ = stmt_create(STMT_COMPUTE, NULL, NULL, NULL, NULL, NULL, NULL, NULL);}
;
if_branch : TOKEN_IF booleanexpr
if_branch : TOKEN_IF booleanexpr statement_list else_parts
{$$ = stmt_create(STMT_IF, NULL, $2, NULL, $4, $3, NULL, NULL);}
;
else_parts : TOKEN_ELSE_IF booleanexpr simple_stmt
| TOKEN_ELSE simple_stmt