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Handle preceding operators for pipe defaults

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This commit is contained in:
Jarcode
2019-04-02 15:45:20 -07:00
parent 13e9f051ce
commit 452deea23d
1 changed files with 9 additions and 4 deletions
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13
glsl_ext.c
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@@ -330,7 +330,7 @@ void ext_process(struct glsl_ext* ext, const char* f) {
int state = LINE_START;
size_t macro_start_idx, arg_start_idx, cbuf_idx, bbuf_idx;
size_t line = 1;
bool quoted = false, arg_start, b_sep = false, b_spc = false;
bool quoted = false, arg_start, b_sep = false, b_spc = false, b_pre = true;
int b_br = 0;
char cbuf[9];
char bbuf[256];
@@ -417,6 +417,7 @@ void ext_process(struct glsl_ext* ext, const char* f) {
state = BIND;
b_sep = false;
b_spc = false;
b_pre = true;
b_br = 0;
bbuf_idx = 0;
continue;
@@ -480,9 +481,11 @@ void ext_process(struct glsl_ext* ext, const char* f) {
else goto handle_bind; /* continue reading if nested */
}
case ' ': if (b_br <= 0) b_spc = true; /* flag a non-braced space */
case '#':
if (b_sep) goto handle_bind; /* handle color syntax only for defaults */
else goto emit_bind; /* if '#' is encountered, skip to emit */
case '#': case '+': case '-':
case '!': case '~': case '&':
if (b_sep && (b_br > 0 || b_pre))
goto handle_bind; /* handle precede syntax only for defaults */
else goto emit_bind; /* if encountered, skip to emit */
case ':': b_sep = true;
handle_bind: /* use character for binding syntax */
case 'a' ... 'z':
@@ -491,6 +494,8 @@ void ext_process(struct glsl_ext* ext, const char* f) {
case '_': {
if (b_spc && b_br <= 0)
goto emit_bind; /* skip non-braced characters after space: `@sym:vec4 c` */
if (b_sep && at != ':')
b_pre = false;
bbuf[bbuf_idx] = at;
++bbuf_idx;
if (bbuf_idx >= sizeof(bbuf) - 1)