61 lines
2 KiB
C
61 lines
2 KiB
C
#ifndef __HF__RESULT_H__
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#define __HF__RESULT_H__
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enum hf__error {
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HF__ERROR__PARSER__UNEXPECTED,
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HF__ERROR__PARSER__INVALID_NUMBER,
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HF__ERROR__PARSER__INVALID_CHAR,
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HF__ERROR__PARSER__WORD_DEF_INCOMPLETE,
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HF__ERROR__PARSER__WORD_DEF_INVALID_NAME,
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HF__ERROR__PARSER__WORD_DEF_IS_KEYWORD,
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HF__ERROR__INTERPRETER__UNKNOWN_WORD,
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HF__ERROR__INTERPRETER__WORD_ALREADY_DEF,
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HF__ERROR__INTERPRETER__STACK_UNDERFLOW,
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__HF__ERROR__N,
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};
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struct hf__error_wrapper {
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enum hf__error error;
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bool msg_is_freeable;
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char *msg;
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};
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static const char *const HF__ERROR_STR[__HF__ERROR__N] = {
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[HF__ERROR__PARSER__UNEXPECTED] = "Unexpected token",
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[HF__ERROR__PARSER__INVALID_NUMBER] = "Invalid number",
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[HF__ERROR__PARSER__INVALID_CHAR] = "Invalid char",
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[HF__ERROR__PARSER__WORD_DEF_INCOMPLETE] = "Word definition imcomplete",
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[HF__ERROR__PARSER__WORD_DEF_INVALID_NAME] =
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"Invalid token type for word name",
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[HF__ERROR__PARSER__WORD_DEF_IS_KEYWORD] = "Word name is already a keyword",
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[HF__ERROR__INTERPRETER__UNKNOWN_WORD] = "Unknown word",
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[HF__ERROR__INTERPRETER__WORD_ALREADY_DEF] = "Word is already defined",
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[HF__ERROR__INTERPRETER__STACK_UNDERFLOW] = "Stack underflow",
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};
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extern void hf__print_error(struct hf__error_wrapper *error);
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struct hf__result {
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bool ok;
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struct hf__error_wrapper error;
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};
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#define HF__OK ((struct hf__result){.ok = true})
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#define HF__ERR(err) \
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((struct hf__result){ \
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.ok = false, \
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.error = {.error = err, .msg = NULL}, \
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})
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#define HF__ERR_CUSTOM(err, message, freeable) \
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((struct hf__result){ \
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.ok = false, \
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.error = {.error = err, .msg_is_freeable = freeable, .msg = message}, \
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})
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#endif
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