Andrew Kesterson
921a9dd8bd
- Fixed the tokenizer to chomp whitespace from left and right of tokens - Fixed the tokenizer so it returns reserved symbols not just constants and expressions - Added some tests for the basic tokenizer and parser - Started working on structures to allow the basic interpreter to store lines in memory
30 lines
789 B
C
30 lines
789 B
C
#include "basic.h"
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#include "stdlib.h"
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#include "string.h"
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#include <stdio.h>
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char *_tokenize(char *ptr, char *token);
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char *_token_get(void);
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#define assert_token_value(str, val, ret_null, ret_neq) \
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ptr = _tokenize(str, BASIC_TOKENIZER_TOKENS); \
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value = _token_get(); \
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if ( ptr == NULL ) return ret_null; \
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rc = strcmp(value, val); \
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printf("(%s) => (value) == (val) ? : (%s) == (%s) %d\n", str, value, val, rc); \
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if ( rc != 0 ) return ret_neq;
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int main(void)
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{
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char *ptr = NULL;
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char *value = NULL;
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int rc = 0;
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assert_token_value("1+1", "1", 1, 2);
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assert_token_value("1 + 1", "1", 2, 3);
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assert_token_value("10 + 10", "10", 4, 5);
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assert_token_value("1+ 2", "1", 6, 7)
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assert_token_value("+ 2", "+", 8, 9)
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return 0;
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} |