From d696cb279d80ccddebcb28ef6b6284bc6bb9430f Mon Sep 17 00:00:00 2001
From: Michal Krol <michal@vmware.com>
Date: Sun, 20 Dec 2009 13:50:16 +0100
Subject: glsl/pp: Do processing inline with tokenisation.

---
 src/glsl/pp/sl_pp_line.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

(limited to 'src/glsl/pp/sl_pp_line.c')

diff --git a/src/glsl/pp/sl_pp_line.c b/src/glsl/pp/sl_pp_line.c
index ed5acc697c..87987fc2ba 100644
--- a/src/glsl/pp/sl_pp_line.c
+++ b/src/glsl/pp/sl_pp_line.c
@@ -33,39 +33,44 @@
 
 int
 sl_pp_process_line(struct sl_pp_context *context,
-                   const struct sl_pp_token_info *input,
-                   unsigned int first,
-                   unsigned int last,
+                   struct sl_pp_token_buffer *buffer,
                    struct sl_pp_process_state *pstate)
 {
-   unsigned int i;
    struct sl_pp_process_state state;
+   int found_end = 0;
    int line_number = -1;
    int file_number = -1;
    unsigned int line;
    unsigned int file;
 
    memset(&state, 0, sizeof(state));
-   for (i = first; i < last;) {
-      switch (input[i].token) {
+   while (!found_end) {
+      struct sl_pp_token_info input;
+
+      sl_pp_token_buffer_get(buffer, &input);
+      switch (input.token) {
       case SL_PP_WHITESPACE:
-         i++;
          break;
 
       case SL_PP_IDENTIFIER:
-         if (sl_pp_macro_expand(context, input, &i, NULL, &state, sl_pp_macro_expand_normal)) {
+         sl_pp_token_buffer_unget(buffer, &input);
+         if (sl_pp_macro_expand(context, buffer, NULL, &state, sl_pp_macro_expand_normal)) {
             free(state.out);
             return -1;
          }
          break;
 
+      case SL_PP_NEWLINE:
+      case SL_PP_EOF:
+         found_end = 1;
+         break;
+
       default:
-         if (sl_pp_process_out(&state, &input[i])) {
+         if (sl_pp_process_out(&state, &input)) {
             strcpy(context->error_msg, "out of memory");
             free(state.out);
             return -1;
          }
-         i++;
       }
    }
 
-- 
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