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cobol-interpreter-lab
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add tokenizer

This commit is contained in:
vel 2024-10-24 11:29:51 -07:00
parent d04c690652
commit 4f517e95b9
Signed by: velvox
GPG Key ID: 59D9762F674151DF
1 changed files with 49 additions and 9 deletions
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58
lab-4/parser.bison
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@ -9,15 +9,55 @@ int yylex();
%debug %debug
%define parse.error detailed %define parse.error detailed
%token TOKEN_INT %token TOKEN_EOF
%token TOKEN_PLUS %token TOKEN_IDENTIFICATION
%token TOKEN_MINUS %token TOKEN_KEYWORD_DIVISION
%token TOKEN_MUL %token TOKEN_KEYWORD_DATA
%token TOKEN_DIV %token TOKEN_KEYWORD_SECTION
%token TOKEN_LPAREN %token TOKEN_PROGRAM_ID
%token TOKEN_RPAREN %token TOKEN_WORKING_STORAGE
%token TOKEN_SEMI %token TOKEN_PROCEDURE
%token TOKEN_ERROR %token TOKEN_STOP
%token TOKEN_RUN
%token TOKEN_MOVE
%token TOKEN_KEYWORD_TO
%token TOKEN_PERFORM
%token TOKEN_VARYING
%token TOKEN_KEYWORD_FROM
%token TOKEN_KEYWORD_BY
%token TOKEN_UNTIL
%token TOKEN_END_PERFORM
%token TOKEN_IF
%token TOKEN_END_IF
%token TOKEN_SPACE
%token TOKEN_KEYWORD_OCCURS
%token TOKEN_KEYWORD_VALUE
%token TOKEN_KEYWORD_COMPUTE
%token TOKEN_KEYWORD_FUNCTION
%token TOKEN_IDENT
%token TOKEN_STRING
%token TOKEN_INTEGER
%token TOKEN_PICTURE
%token TOKEN_ALPHANUMERIC
%token TOKEN_NUMERIC
%token TOKEN_SIGNED_NUMERIC
%token TOKEN_IMPLIED_DECIMAL
%token TOKEN_COMPUTATION_LEVEL_0
%token TOKEN_COMPUTATION_LEVEL_1
%token TOKEN_COMPUTATION_LEVEL_2
%token TOKEN_COMPUTATION_LEVEL_3
%token TOKEN_LEFT_PARENTHESIS
%token TOKEN_RIGHT_PARENTHESIS
%token TOKEN_DOT
%token TOKEN_COMMENT
%token TOKEN_ADD
%token TOKEN_SUB
%token TOKEN_MULTIPLY
%token TOKEN_DIVIDE
%token TOKEN_EQUAL
%token TOKEN_GREATER_THAN
%token TOKEN_LESS_THAN
%token TOKEN_EXPONENTIAL
%% %%
program : expr TOKEN_SEMI; program : expr TOKEN_SEMI;