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report error message when something fails

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This commit is contained in:
Brian 2007-01-19 12:02:31 -07:00
parent 203946e1f9
commit dceae2829e
1 changed files with 23 additions and 2 deletions
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25
src/mesa/shader/grammar/grammar.c
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@ -260,6 +260,8 @@
first).
*/
#include <stdio.h>
static void mem_free (void **);
/*
@ -2797,10 +2799,16 @@ static void grammar_load_state_destroy (grammar_load_state **gr)
}
}
static void error_msg(int line, const char *msg)
{
fprintf(stderr, "Error in grammar_load_from_text() at line %d: %s\n", line, msg);
}
/*
the API
*/
grammar grammar_load_from_text (const byte *text)
{
grammar_load_state *g = NULL;
@ -2809,13 +2817,16 @@ grammar grammar_load_from_text (const byte *text)
clear_last_error ();
grammar_load_state_create (&g);
if (g == NULL)
if (g == NULL) {
error_msg(__LINE__, "");
return 0;
}
dict_create (&g->di);
if (g->di == NULL)
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
@ -2829,6 +2840,7 @@ grammar grammar_load_from_text (const byte *text)
if (get_identifier (&text, &g->syntax_symbol))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
eat_spaces (&text);
@ -2848,6 +2860,7 @@ grammar grammar_load_from_text (const byte *text)
if (get_identifier (&text, &symbol))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
eat_spaces (&text);
@ -2862,6 +2875,7 @@ grammar grammar_load_from_text (const byte *text)
if (get_emtcode (&text, &ma))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
@ -2877,6 +2891,7 @@ grammar grammar_load_from_text (const byte *text)
if (get_regbyte (&text, &ma))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
@ -2892,6 +2907,7 @@ grammar grammar_load_from_text (const byte *text)
if (get_errtext (&text, &ma))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
@ -2905,12 +2921,14 @@ grammar grammar_load_from_text (const byte *text)
if (g->di->m_string != NULL)
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
if (get_identifier (&text, &g->string_symbol))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
@ -2927,6 +2945,7 @@ grammar grammar_load_from_text (const byte *text)
if (get_rule (&text, &ru, g->maps, g->mapb))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
@ -2940,6 +2959,7 @@ grammar grammar_load_from_text (const byte *text)
if (ma == NULL)
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "");
return 0;
}
@ -2953,6 +2973,7 @@ grammar grammar_load_from_text (const byte *text)
g->di->m_regbytes))
{
grammar_load_state_destroy (&g);
error_msg(__LINE__, "update_dependencies() failed");
return 0;
}