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Rename lexer errors

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omicron 2025-04-05 00:51:50 +02:00
parent af66790cff
commit 3fead8017b
2 changed files with 14 additions and 14 deletions
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22
src/lexer.c
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@ -8,11 +8,11 @@
error_t *const err_lexer_already_open = &(error_t){ error_t *const err_lexer_already_open = &(error_t){
.message = .message =
"Can't open on a lexer object that is already opened. Close it first."}; "Can't open on a lexer object that is already opened. Close it first."};
error_t *const err_prefix_too_large = error_t *const err_lexer_prefix_too_large =
&(error_t){.message = "Prefix too large for internal lexer buffer"}; &(error_t){.message = "Prefix too large for internal lexer buffer"};
error_t *const err_buffer_underrun = &(error_t){ error_t *const err_lexer_buffer_underrun = &(error_t){
.message = "Buffer does not contain enough characters for lexer_consume_n"}; .message = "Buffer does not contain enough characters for lexer_consume_n"};
error_t *const err_consume_excessive_length = error_t *const err_lexer_consume_excessive_length =
&(error_t){.message = "Too many valid characters to consume"}; &(error_t){.message = "Too many valid characters to consume"};
typedef bool (*char_predicate_t)(char); typedef bool (*char_predicate_t)(char);
@ -177,9 +177,9 @@ error_t *lexer_not_implemented(lexer_t *lex, lexer_token_t *token) {
error_t *lexer_consume_n(lexer_t *lex, const size_t len, error_t *lexer_consume_n(lexer_t *lex, const size_t len,
char buffer[static len], const size_t n) { char buffer[static len], const size_t n) {
if (lex->buffer_count < n) if (lex->buffer_count < n)
return err_buffer_underrun; return err_lexer_buffer_underrun;
if (n > len) if (n > len)
return err_consume_excessive_length; return err_lexer_consume_excessive_length;
memcpy(buffer, lex->buffer, n); memcpy(buffer, lex->buffer, n);
lexer_shift_buffer(lex, n); lexer_shift_buffer(lex, n);
@ -224,7 +224,7 @@ error_t *lexer_consume(lexer_t *lex, const size_t n, char buffer[static n],
(lex->buffer_count > 0 && is_valid(lex->buffer[0])); (lex->buffer_count > 0 && is_valid(lex->buffer[0]));
if (have_more_characters && *n_consumed == buffer_size) { if (have_more_characters && *n_consumed == buffer_size) {
return err_consume_excessive_length; return err_lexer_consume_excessive_length;
} }
} while (have_more_characters); } while (have_more_characters);
return nullptr; return nullptr;
@ -294,7 +294,7 @@ error_t *lexer_next_number(lexer_t *lex, lexer_token_t *token) {
error_t *err = lexer_consume(lex, max_number_length - so_far, error_t *err = lexer_consume(lex, max_number_length - so_far,
buffer + so_far, is_valid, &n); buffer + so_far, is_valid, &n);
if (err == err_consume_excessive_length) { if (err == err_lexer_consume_excessive_length) {
token->id = TOKEN_ERROR; token->id = TOKEN_ERROR;
token->explanation = token->explanation =
"Number length exceeds the maximum of 128 characters"; "Number length exceeds the maximum of 128 characters";
@ -324,7 +324,7 @@ error_t *lexer_next_number(lexer_t *lex, lexer_token_t *token) {
if (suffix_length > 0) { if (suffix_length > 0) {
err = lexer_consume_n(lex, max_number_length - so_far, buffer + so_far, err = lexer_consume_n(lex, max_number_length - so_far, buffer + so_far,
suffix_length); suffix_length);
if (err == err_consume_excessive_length) { if (err == err_lexer_consume_excessive_length) {
token->id = TOKEN_ERROR; token->id = TOKEN_ERROR;
token->explanation = token->explanation =
"Number length exceeds the maximum of 128 characters"; "Number length exceeds the maximum of 128 characters";
@ -401,7 +401,7 @@ error_t *lexer_next_identifier(lexer_t *lex, lexer_token_t *token) {
error_t *err = lexer_consume(lex, max_identifier_length, buffer, error_t *err = lexer_consume(lex, max_identifier_length, buffer,
is_identifier_character, &n); is_identifier_character, &n);
if (err == err_consume_excessive_length) { if (err == err_lexer_consume_excessive_length) {
token->id = TOKEN_ERROR; token->id = TOKEN_ERROR;
token->explanation = token->explanation =
"Identifier length exceeds the maximum of 128 characters"; "Identifier length exceeds the maximum of 128 characters";
@ -444,7 +444,7 @@ error_t *lexer_next_whitespace(lexer_t *lex, lexer_token_t *token) {
error_t *err = lexer_consume(lex, max_whitespace_length, buffer, error_t *err = lexer_consume(lex, max_whitespace_length, buffer,
is_whitespace_character, &n); is_whitespace_character, &n);
if (err == err_consume_excessive_length) { if (err == err_lexer_consume_excessive_length) {
token->id = TOKEN_ERROR; token->id = TOKEN_ERROR;
token->explanation = token->explanation =
"Whitespace length exceeds the maximum of 1024 characters"; "Whitespace length exceeds the maximum of 1024 characters";
@ -479,7 +479,7 @@ error_t *lexer_next_comment(lexer_t *lex, lexer_token_t *token) {
error_t *err = lexer_consume(lex, max_comment_length, buffer, error_t *err = lexer_consume(lex, max_comment_length, buffer,
is_comment_character, &n); is_comment_character, &n);
if (err == err_consume_excessive_length) { if (err == err_lexer_consume_excessive_length) {
token->id = TOKEN_ERROR; token->id = TOKEN_ERROR;
token->explanation = token->explanation =
"Comment length exceeds the maximum of 1024 characters"; "Comment length exceeds the maximum of 1024 characters";

6
src/lexer.h
View File

@ -6,9 +6,9 @@
#include <stdio.h> #include <stdio.h>
extern error_t *const err_lexer_already_open; extern error_t *const err_lexer_already_open;
extern error_t *const err_prefix_too_large; extern error_t *const err_lexer_prefix_too_large;
extern error_t *const err_buffer_underrun; extern error_t *const err_lexer_buffer_underrun;
extern error_t *const err_consume_excessive_length; extern error_t *const err_lexer_consume_excessive_length;
typedef enum { typedef enum {
TOKEN_ERROR, TOKEN_ERROR,