1 files changed, 29 insertions, 2 deletions

diff --git a/src/glsl/pp/sl_pp_context.c b/src/glsl/pp/sl_pp_context.c
index afc1b84d16..74a9bdddfd 100644
--- a/src/glsl/pp/sl_pp_context.c
+++ b/src/glsl/pp/sl_pp_context.c
@@ -32,7 +32,8 @@
 
 
 struct sl_pp_context *
-sl_pp_context_create(void)
+sl_pp_context_create(const char *input,
+                     const struct sl_pp_purify_options *options)
 {
    struct sl_pp_context *context;
 
@@ -46,19 +47,30 @@ sl_pp_context_create(void)
       return NULL;
    }
 
-   context->getc_buf = malloc(64 * sizeof(char));
+   context->getc_buf_capacity = 64;
+   context->getc_buf = malloc(context->getc_buf_capacity * sizeof(char));
    if (!context->getc_buf) {
       sl_pp_context_destroy(context);
       return NULL;
    }
 
+   if (sl_pp_token_buffer_init(&context->tokens, context)) {
+      sl_pp_context_destroy(context);
+      return NULL;
+   }
+
    context->macro_tail = &context->macro;
    context->if_ptr = SL_PP_MAX_IF_NESTING;
    context->if_value = 1;
    memset(context->error_msg, 0, sizeof(context->error_msg));
+   context->error_line = 1;
    context->line = 1;
    context->file = 0;
 
+   sl_pp_purify_state_init(&context->pure, input, options);
+
+   memset(&context->process_state, 0, sizeof(context->process_state));
+
    return context;
 }
 
@@ -69,6 +81,8 @@ sl_pp_context_destroy(struct sl_pp_context *context)
       free(context->cstr_pool);
       sl_pp_macro_free(context->macro);
       free(context->getc_buf);
+      sl_pp_token_buffer_destroy(&context->tokens);
+      free(context->process_state.out);
       free(context);
    }
 }
@@ -79,6 +93,19 @@ sl_pp_context_error_message(const struct sl_pp_context *context)
    return context->error_msg;
 }
 
+void
+sl_pp_context_error_position(const struct sl_pp_context *context,
+                             unsigned int *file,
+                             unsigned int *line)
+{
+   if (file) {
+      *file = 0;
+   }
+   if (line) {
+      *line = context->error_line;
+   }
+}
+
 int
 sl_pp_context_add_predefined(struct sl_pp_context *context,
                              const char *name,