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feat(lexer): implementing assignements

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This commit is contained in:
matteo 2026-01-29 11:18:56 +01:00
parent 46dde29c20
commit 6da801675a
3 changed files with 41 additions and 6 deletions
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18
src/lexer/lexer.c
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@ -78,6 +78,21 @@ static bool update_lexing_mode(char *stream, ssize_t i,
return *lexing_mode != mode_before_update;
}
/* @brief: updates the flags only_digits and equal_count
* according to the character at stream[i].
*/
static void update_flags(char *stream, ssize_t i, struct lexer_context *ctx)
{
if (stream[i] == '=')
{
ctx->equal_count++;
}
else if (!isdigit(stream[i]) && ctx->only_digits)
{
ctx->only_digits = false;
}
}
struct token *peek_token(struct lexer_context *ctx)
{
// we already created the upcoming token during the previous call to peek()
@ -100,6 +115,7 @@ struct token *peek_token(struct lexer_context *ctx)
if (!update_lexing_mode(stream, i, &lexing_mode)
&& lexing_mode == LEXER_NORMAL)
{
update_flags(stream, i, ctx);
if (is_special_char(stream, i))
{
if (i == 0) // where we create spe_char token
@ -121,7 +137,7 @@ struct token *peek_token(struct lexer_context *ctx)
i++;
}
struct token *tok = new_token(stream, i, ctx->only_digits);
struct token *tok = new_token(stream, i, ctx->only_digits, ctx->equal_count);
// if token is comment, we don't want it
if (tok->type == TOKEN_COMMENT)