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74 lines
1.2 KiB
74 lines
1.2 KiB
#define STACK_SIZE 4096
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#define GROWTH_SIZE 65536
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typedef char* source_t;
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typedef enum {
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SYMBOL = 0,
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IDENTIFIER = 1,
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INTEGER = 2,
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FLOATING = 3,
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QUOTE = 4,
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WSPACE = 5,
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PAREN = 6 ,
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EMPTY = 7,
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STRING = 8
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} tok_t;
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typedef union {
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const char *symbol;
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const char *identifier;
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const char *integer;
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const char *floating;
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const char *parenthesis;
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const char *string;
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bool quote;
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bool whitespace;
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bool null_token;
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} token_val_t;
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typedef struct {
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tok_t token_type;
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token_val_t token;
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} token_t;
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typedef struct {
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size_t length; /* Number of current elements */
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size_t max_length; /* Maximum length of the stack */
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token_t *tokens;
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} token_stream;
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bool
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push_token(token_stream*, token_t);
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bool
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pop_token(token_stream*);
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token_t
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peek_token(token_stream*);
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token_stream
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tokenize(source_t, uint32_t, const uint32_t);
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bool
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release_tokens(token_stream*);
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#ifndef LIB
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static uint32_t
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match_int(source_t, uint32_t, const uint32_t);
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static uint32_t
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match_float(source_t, uint32_t, const uint32_t);
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static uint32_t
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match_identifier(source_t, uint32_t, const uint32_t);
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static uint32_t
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match_symbol(source_t, uint32_t, const uint32_t);
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#endif
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int
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free_token(token_t,
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tok_t);
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token_t
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testfunc(void);
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