From: Dale Weiler Date: Fri, 29 Nov 2013 12:15:49 +0000 (-0500) Subject: Cleanup lexer old cruft X-Git-Tag: xonotic-v0.8.0~48 X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=commitdiff_plain;h=cb97b7f672c8f1a6e98f67c4154c05a7eeb5ec7f Cleanup lexer old cruft --- diff --git a/lexer.c b/lexer.c index 03d1308..068b4dc 100644 --- a/lexer.c +++ b/lexer.c @@ -82,91 +82,8 @@ static bool lexwarn(lex_file *lex, int warntype, const char *fmt, ...) return r; } - -#if 0 -token* token_new() -{ - token *tok = (token*)mem_a(sizeof(token)); - if (!tok) - return NULL; - memset(tok, 0, sizeof(*tok)); - return tok; -} - -void token_delete(token *self) -{ - if (self->next && self->next->prev == self) - self->next->prev = self->prev; - if (self->prev && self->prev->next == self) - self->prev->next = self->next; - MEM_VECTOR_CLEAR(self, value); - mem_d(self); -} - -token* token_copy(const token *cp) -{ - token* self = token_new(); - if (!self) - return NULL; - /* copy the value */ - self->value_alloc = cp->value_count + 1; - self->value_count = cp->value_count; - self->value = (char*)mem_a(self->value_alloc); - if (!self->value) { - mem_d(self); - return NULL; - } - memcpy(self->value, cp->value, cp->value_count); - self->value[self->value_alloc-1] = 0; - - /* rest */ - self->ctx = cp->ctx; - self->ttype = cp->ttype; - memcpy(&self->constval, &cp->constval, sizeof(self->constval)); - return self; -} - -void token_delete_all(token *t) -{ - token *n; - - do { - n = t->next; - token_delete(t); - t = n; - } while(t); -} - -token* token_copy_all(const token *cp) -{ - token *cur; - token *out; - - out = cur = token_copy(cp); - if (!out) - return NULL; - - while (cp->next) { - cp = cp->next; - cur->next = token_copy(cp); - if (!cur->next) { - token_delete_all(out); - return NULL; - } - cur->next->prev = cur; - cur = cur->next; - } - - return out; -} -#else static void lex_token_new(lex_file *lex) { -#if 0 - if (lex->tok) - token_delete(lex->tok); - lex->tok = token_new(); -#else if (lex->tok.value) vec_shrinkto(lex->tok.value, 0); @@ -174,9 +91,7 @@ static void lex_token_new(lex_file *lex) lex->tok.ctx.line = lex->sline; lex->tok.ctx.file = lex->name; lex->tok.ctx.column = lex->column; -#endif } -#endif static void lex_ungetch(lex_file *lex, int ch); static int lex_getch(lex_file *lex); @@ -273,12 +188,9 @@ void lex_close(lex_file *lex) if (lex->file) fs_file_close(lex->file); -#if 0 - if (lex->tok) - token_delete(lex->tok); -#else + vec_free(lex->tok.value); -#endif + /* mem_d(lex->name); collected in lex_filenames */ mem_d(lex); } @@ -624,10 +536,6 @@ static int lex_skipwhite(lex_file *lex, bool hadwhite) if (lex->flags.preprocessing) { haswhite = true; - /* - lex_tokench(lex, '/'); - lex_tokench(lex, '/'); - */ lex_tokench(lex, ' '); lex_tokench(lex, ' '); } @@ -649,10 +557,6 @@ static int lex_skipwhite(lex_file *lex, bool hadwhite) /* multiline comment */ if (lex->flags.preprocessing) { haswhite = true; - /* - lex_tokench(lex, '/'); - lex_tokench(lex, '*'); - */ lex_tokench(lex, ' '); lex_tokench(lex, ' '); } @@ -664,10 +568,6 @@ static int lex_skipwhite(lex_file *lex, bool hadwhite) ch = lex_getch(lex); if (ch == '/') { if (lex->flags.preprocessing) { - /* - lex_tokench(lex, '*'); - lex_tokench(lex, '/'); - */ lex_tokench(lex, ' '); lex_tokench(lex, ' '); } @@ -1026,10 +926,6 @@ int lex_do(lex_file *lex) bool hadwhite = false; lex_token_new(lex); -#if 0 - if (!lex->tok) - return TOKEN_FATAL; -#endif while (true) { ch = lex_skipwhite(lex, hadwhite); @@ -1274,10 +1170,6 @@ int lex_do(lex_file *lex) */ switch (ch) { - /* - case '+': - case '-': - */ case '*': case '/': case '<': @@ -1385,15 +1277,6 @@ int lex_do(lex_file *lex) return (lex->tok.ttype = TOKEN_OPERATOR); } - /* - if (ch == '^' || ch == '~' || ch == '!') - { - lex_tokench(lex, ch); - lex_endtoken(lex); - return (lex->tok.ttype = TOKEN_OPERATOR); - } - */ - if (ch == '*' || ch == '/') /* *=, /= */ { lex_tokench(lex, ch);