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Add dstr_resize and rename the dstring functions

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This commit is contained in:
Abdelrahman Said
2023-06-19 08:33:02 +01:00
parent 31e19a50fc
commit 76620b593a
7 changed files with 66 additions and 255 deletions
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34
src/dstring/dstring.c
View File

@@ -8,7 +8,7 @@
// constantly reallocate
#define CAPACITY_SCALAR 8
struct dstr {
struct dstring {
u64 capacity;
u64 size;
char buf[];
@@ -45,7 +45,7 @@ dstr_t *dstr_from_string(const char *str) {
return out;
}
void update_dstr(dstr_t **dst, const char *src) {
void dstr_update(dstr_t **dst, const char *src) {
if (!(*dst)) {
return;
}
@@ -77,7 +77,7 @@ void update_dstr(dstr_t **dst, const char *src) {
}
}
void delete_dstr(dstr_t **str) {
void dstr_free(dstr_t **str) {
if (!(*str)) {
return;
}
@@ -86,7 +86,7 @@ void delete_dstr(dstr_t **str) {
*str = NULL;
}
void concat_dstr(dstr_t **dst, const char *src) {
void dstr_concat(dstr_t **dst, const char *src) {
if (!(*dst)) {
return;
}
@@ -105,10 +105,10 @@ void concat_dstr(dstr_t **dst, const char *src) {
strncpy(str, (*dst)->buf, (*dst)->size);
strncat(str, src, src_length);
update_dstr(dst, str);
dstr_update(dst, str);
}
void append_to_dstr(dstr_t **dst, char c) {
void dstr_append(dstr_t **dst, char c) {
if (!(*dst)) {
return;
}
@@ -121,10 +121,24 @@ void append_to_dstr(dstr_t **dst, char c) {
strncpy(str, (*dst)->buf, (*dst)->size);
str[(*dst)->size] = c;
update_dstr(dst, str);
dstr_update(dst, str);
}
void empty_dstr(dstr_t *str) {
void dstr_resize(dstr_t **str) {
u64 capacity = (*str)->size;
dstr_t *tmp = (dstr_t *)realloc(*str, sizeof(dstr_t) + capacity + 1);
if (!tmp) {
return;
}
tmp->capacity = capacity;
*str = tmp;
}
void dstr_clear(dstr_t *str) {
if (!str || str->size == 0) {
return;
}
@@ -133,7 +147,7 @@ void empty_dstr(dstr_t *str) {
str->size = 0;
}
void print_dstr(const dstr_t *str) {
void dstr_print(const dstr_t *str) {
if (!str) {
return;
}
@@ -156,3 +170,5 @@ u64 dstr_capacity(const dstr_t *str) {
return str->capacity;
}
const char *dstr_to_cstr(const dstr_t *str) { return str->buf; }

46
src/lexer/lexer.c
View File

@@ -408,7 +408,7 @@ lexer_state_t handle_array(lexer_t *lexer, char input) {
}
lexer_state_t handle_key(lexer_t *lexer, char input) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_STRING;
}
@@ -417,7 +417,7 @@ lexer_state_t handle_value(lexer_t *lexer, char input) {
if (isspace(input)) {
return LEXER_STATE_VALUE;
} else if (isdigit(input) && input != '0') {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_NUMBER;
}
@@ -428,7 +428,7 @@ lexer_state_t handle_value(lexer_t *lexer, char input) {
return LEXER_STATE_STRING;
case '0':
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_DECIMAL;
case '{':
@@ -449,14 +449,14 @@ lexer_state_t handle_value(lexer_t *lexer, char input) {
lexer_state_t handle_string(lexer_t *lexer, char input) {
switch (input) {
case '\\':
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_ESCAPE_SEQUENCE;
case '"':
return LEXER_STATE_STRING_END;
}
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_STRING;
}
@@ -466,7 +466,7 @@ lexer_state_t handle_string_end(lexer_t *lexer, char input) {
return LEXER_STATE_STRING_END;
}
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
lexer->current = stack_pop(&(lexer->stack));
@@ -489,7 +489,7 @@ lexer_state_t handle_string_end(lexer_t *lexer, char input) {
}
lexer_state_t handle_escape_sequence(lexer_t *lexer, char input) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
switch (input) {
case '"':
@@ -510,7 +510,7 @@ lexer_state_t handle_escape_sequence(lexer_t *lexer, char input) {
lexer_state_t handle_unicode_sequence(lexer_t *lexer, char input) {
append_to_lex_str(&(lexer->codepoint), input);
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
if (!ishex(input)) {
clear_lex_str(&(lexer->codepoint));
@@ -526,7 +526,7 @@ lexer_state_t handle_unicode_sequence(lexer_t *lexer, char input) {
}
lexer_state_t handle_decimal(lexer_t *lexer, char input) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
if (input == '.') {
return LEXER_STATE_FRACTION;
@@ -537,19 +537,19 @@ lexer_state_t handle_decimal(lexer_t *lexer, char input) {
lexer_state_t handle_number(lexer_t *lexer, char input) {
if (isdigit(input)) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_NUMBER;
} else if (input == '.') {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_FRACTION;
} else if (input == '}' || input == ']') {
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
return handle_collection_end(lexer, input);
} else if (input == ',') {
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
return lexer->stack.stack[lexer->stack.size - 1];
} else if (isspace(input)) {
@@ -561,19 +561,19 @@ lexer_state_t handle_number(lexer_t *lexer, char input) {
lexer_state_t handle_fraction(lexer_t *lexer, char input) {
if (isdigit(input)) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_FRACTION;
} else if (input == '}' || input == ']') {
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
return handle_collection_end(lexer, input);
} else if (input == 'e' || input == 'E') {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_EXPONENT;
} else if (input == ',') {
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
return lexer->stack.stack[lexer->stack.size - 1];
} else if (isspace(input)) {
@@ -584,7 +584,7 @@ lexer_state_t handle_fraction(lexer_t *lexer, char input) {
}
lexer_state_t handle_exponent(lexer_t *lexer, char input) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
if (isdigit(input)) {
return LEXER_STATE_POWER;
@@ -596,7 +596,7 @@ lexer_state_t handle_exponent(lexer_t *lexer, char input) {
}
lexer_state_t handle_exp_sign(lexer_t *lexer, char input) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
if (isdigit(input)) {
return LEXER_STATE_POWER;
@@ -607,15 +607,15 @@ lexer_state_t handle_exp_sign(lexer_t *lexer, char input) {
lexer_state_t handle_power(lexer_t *lexer, char input) {
if (isdigit(input)) {
append_to_dstr(&(lexer->current_string), input);
dstr_append(&(lexer->current_string), input);
return LEXER_STATE_POWER;
} else if (input == '}' || input == ']') {
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
return handle_collection_end(lexer, input);
} else if (input == ',') {
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
return lexer->stack.stack[lexer->stack.size - 1];
} else if (isspace(input)) {
@@ -626,7 +626,7 @@ lexer_state_t handle_power(lexer_t *lexer, char input) {
}
lexer_state_t handle_number_end(lexer_t *lexer, char input) {
empty_dstr(lexer->current_string);
dstr_clear(lexer->current_string);
if (isspace(input)) {
return LEXER_STATE_NUMBER_END;