DeforaOS/C99
DeforaOS/C99
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Less segfaults and tracking more errors

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This commit is contained in:
Pierre Pronchery 2008-03-14 01:58:22 +00:00
parent f8c779142b
commit d1fce35c7f
1 changed files with 17 additions and 13 deletions
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30
src/parser.c
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@ -967,9 +967,9 @@ static int _primary_expr(C99 * c99)
token_get_string(c99->token));
#endif
if(c99->token == NULL)
return 0;
return 1;
else if((code = token_get_code(c99->token)) == C99_CODE_IDENTIFIER)
return c99_scan(c99);
return _identifier(c99);
else if(code == C99_CODE_OPERATOR_LPAREN)
{
ret = c99_scan(c99);
@ -977,7 +977,7 @@ static int _primary_expr(C99 * c99)
ret |= _parse_check(c99, C99_CODE_OPERATOR_RPAREN);
return ret;
}
else
else /* constant or string-litteral */
return c99_scan(c99);
}
@ -992,7 +992,7 @@ static int _type_name(C99 * c99)
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
ret = _specifier_qualifier_list(c99);
if(token_in_set(c99->token, c99set_abstract_declarator))
if(_parse_in_set(c99, c99set_abstract_declarator))
ret |= _abstract_declarator(c99);
return ret;
}
@ -1006,7 +1006,8 @@ static int _specifier_qualifier_list(C99 * c99)
int looped = 0;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
fprintf(stderr, "DEBUG: %s() \"%s\"\n", __func__,
token_get_string(c99->token));
#endif
for(;;)
{
@ -1339,7 +1340,7 @@ static int _block_item(C99 * c99)
return _declaration(c99);
else if(token_in_set(c99->token, c99set_statement))
return _statement(c99);
return 1; /* FIXME report error */
return _parse_error(c99, "Expected declaration or statement");
}
@ -1385,7 +1386,8 @@ static int _labeled_statement(C99 * c99)
fprintf(stderr, "DEBUG: %s() %s\n", __func__,
token_get_string(c99->token));
#endif
/* FIXME may segfault upon EOF (c99->token is NULL) */
if(c99->token == NULL)
return 1;
if((code = token_get_code(c99->token)) == C99_CODE_IDENTIFIER)
ret = _identifier(c99);
else if(code == C99_CODE_KEYWORD_CASE)
@ -1450,16 +1452,18 @@ static int _expression(C99 * c99)
/* selection-statement */
static int _selection_statement(C99 * c99)
/* if "(" expression ")" statement [ else statement ]
* switch "(" expression ")" statement */
/* "if" "(" expression ")" statement [ "else" statement ]
* "switch" "(" expression ")" statement */
{
int ret;
int code;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
fprintf(stderr, "DEBUG: %s() \"%s\"\n", __func__,
token_get_string(c99->token));
#endif
/* FIXME may segfault upon EOF (c99->token is NULL) */
if(c99->token == NULL)
return 1;
if((code = token_get_code(c99->token)) == C99_CODE_KEYWORD_SWITCH)
c99->in_switch++;
ret = c99_scan(c99);
@ -1546,8 +1550,8 @@ static int _jump_statement(C99 * c99)
/* FIXME may segfault upon EOF (c99->token is NULL) */
if((code = token_get_code(c99->token)) == C99_CODE_KEYWORD_GOTO)
{
c99_scan(c99);
ret = _identifier(c99);
ret = c99_scan(c99);
ret |= _identifier(c99);
}
else if(code == C99_CODE_KEYWORD_RETURN)
{