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-rw-r--r--src/glsl/pp/SConscript1
-rw-r--r--src/glsl/pp/sl_pp_context.c1
-rw-r--r--src/glsl/pp/sl_pp_context.h4
-rw-r--r--src/glsl/pp/sl_pp_error.c263
-rw-r--r--src/glsl/pp/sl_pp_process.c3
-rw-r--r--src/glsl/pp/sl_pp_process.h6
6 files changed, 278 insertions, 0 deletions
diff --git a/src/glsl/pp/SConscript b/src/glsl/pp/SConscript
index c7718d1d8f..13fc230b96 100644
--- a/src/glsl/pp/SConscript
+++ b/src/glsl/pp/SConscript
@@ -10,6 +10,7 @@ glsl = env.StaticLibrary(
source = [
'sl_pp_context.c',
'sl_pp_define.c',
+ 'sl_pp_error.c',
'sl_pp_expression.c',
'sl_pp_if.c',
'sl_pp_macro.c',
diff --git a/src/glsl/pp/sl_pp_context.c b/src/glsl/pp/sl_pp_context.c
index 50ec790cc5..38d633baef 100644
--- a/src/glsl/pp/sl_pp_context.c
+++ b/src/glsl/pp/sl_pp_context.c
@@ -36,6 +36,7 @@ sl_pp_context_init(struct sl_pp_context *context)
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));
}
void
diff --git a/src/glsl/pp/sl_pp_context.h b/src/glsl/pp/sl_pp_context.h
index 1dbd10e30e..65ce3e37b7 100644
--- a/src/glsl/pp/sl_pp_context.h
+++ b/src/glsl/pp/sl_pp_context.h
@@ -33,6 +33,8 @@
#define SL_PP_MAX_IF_NESTING 64
+#define SL_PP_MAX_ERROR_MSG 1024
+
struct sl_pp_context {
char *cstr_pool;
unsigned int cstr_pool_max;
@@ -44,6 +46,8 @@ struct sl_pp_context {
unsigned int if_stack[SL_PP_MAX_IF_NESTING];
unsigned int if_ptr;
int if_value;
+
+ char error_msg[SL_PP_MAX_ERROR_MSG];
};
void
diff --git a/src/glsl/pp/sl_pp_error.c b/src/glsl/pp/sl_pp_error.c
new file mode 100644
index 0000000000..d42568d23d
--- /dev/null
+++ b/src/glsl/pp/sl_pp_error.c
@@ -0,0 +1,263 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <stdlib.h>
+#include "sl_pp_process.h"
+
+
+void
+sl_pp_process_error(struct sl_pp_context *context,
+ const struct sl_pp_token_info *input,
+ unsigned int first,
+ unsigned int last)
+{
+ unsigned int out_len = 0;
+ unsigned int i;
+
+ for (i = first; i < last; i++) {
+ const char *s = NULL;
+ char buf[2];
+
+ switch (input[i].token) {
+ case SL_PP_WHITESPACE:
+ s = " ";
+ break;
+
+ case SL_PP_NEWLINE:
+ s = "\n";
+ break;
+
+ case SL_PP_HASH:
+ s = "#";
+ break;
+
+ case SL_PP_COMMA:
+ s = ",";
+ break;
+
+ case SL_PP_SEMICOLON:
+ s = ";";
+ break;
+
+ case SL_PP_LBRACE:
+ s = "{";
+ break;
+
+ case SL_PP_RBRACE:
+ s = "}";
+ break;
+
+ case SL_PP_LPAREN:
+ s = "(";
+ break;
+
+ case SL_PP_RPAREN:
+ s = ")";
+ break;
+
+ case SL_PP_LBRACKET:
+ s = "[";
+ break;
+
+ case SL_PP_RBRACKET:
+ s = "]";
+ break;
+
+ case SL_PP_DOT:
+ s = ".";
+ break;
+
+ case SL_PP_INCREMENT:
+ s = "++";
+ break;
+
+ case SL_PP_ADDASSIGN:
+ s = "+=";
+ break;
+
+ case SL_PP_PLUS:
+ s = "+";
+ break;
+
+ case SL_PP_DECREMENT:
+ s = "--";
+ break;
+
+ case SL_PP_SUBASSIGN:
+ s = "-=";
+ break;
+
+ case SL_PP_MINUS:
+ s = "-";
+ break;
+
+ case SL_PP_BITNOT:
+ s = "~";
+ break;
+
+ case SL_PP_NOTEQUAL:
+ s = "!=";
+ break;
+
+ case SL_PP_NOT:
+ s = "!";
+ break;
+
+ case SL_PP_MULASSIGN:
+ s = "*=";
+ break;
+
+ case SL_PP_STAR:
+ s = "*";
+ break;
+
+ case SL_PP_DIVASSIGN:
+ s = "/=";
+ break;
+
+ case SL_PP_SLASH:
+ s = "/";
+ break;
+
+ case SL_PP_MODASSIGN:
+ s = "%=";
+ break;
+
+ case SL_PP_MODULO:
+ s = "%";
+ break;
+
+ case SL_PP_LSHIFTASSIGN:
+ s = "<<=";
+ break;
+
+ case SL_PP_LSHIFT:
+ s = "<<";
+ break;
+
+ case SL_PP_LESSEQUAL:
+ s = "<=";
+ break;
+
+ case SL_PP_LESS:
+ s = "<";
+ break;
+
+ case SL_PP_RSHIFTASSIGN:
+ s = ">>=";
+ break;
+
+ case SL_PP_RSHIFT:
+ s = ">>";
+ break;
+
+ case SL_PP_GREATEREQUAL:
+ s = ">=";
+ break;
+
+ case SL_PP_GREATER:
+ s = ">";
+ break;
+
+ case SL_PP_EQUAL:
+ s = "==";
+ break;
+
+ case SL_PP_ASSIGN:
+ s = "=";
+ break;
+
+ case SL_PP_AND:
+ s = "&&";
+ break;
+
+ case SL_PP_BITANDASSIGN:
+ s = "&=";
+ break;
+
+ case SL_PP_BITAND:
+ s = "&";
+ break;
+
+ case SL_PP_XOR:
+ s = "^^";
+ break;
+
+ case SL_PP_BITXORASSIGN:
+ s = "^=";
+ break;
+
+ case SL_PP_BITXOR:
+ s = "^";
+ break;
+
+ case SL_PP_OR:
+ s = "||";
+ break;
+
+ case SL_PP_BITORASSIGN:
+ s = "|=";
+ break;
+
+ case SL_PP_BITOR:
+ s = "|";
+ break;
+
+ case SL_PP_QUESTION:
+ s = "?";
+ break;
+
+ case SL_PP_COLON:
+ s = ":";
+ break;
+
+ case SL_PP_IDENTIFIER:
+ s = sl_pp_context_cstr(context, input[i].data.identifier);
+ break;
+
+ case SL_PP_NUMBER:
+ s = sl_pp_context_cstr(context, input[i].data.number);
+ break;
+
+ case SL_PP_OTHER:
+ buf[0] = input[i].data.other;
+ buf[1] = '\0';
+ s = buf;
+ break;
+
+ default:
+ strcpy(context->error_msg, "internal error");
+ return;
+ }
+
+ while (*s != '\0' && out_len < sizeof(context->error_msg) - 1) {
+ context->error_msg[out_len++] = *s++;
+ }
+ }
+
+ context->error_msg[out_len] = '\0';
+}
diff --git a/src/glsl/pp/sl_pp_process.c b/src/glsl/pp/sl_pp_process.c
index c17a3ac7ce..117aa01688 100644
--- a/src/glsl/pp/sl_pp_process.c
+++ b/src/glsl/pp/sl_pp_process.c
@@ -151,6 +151,9 @@ sl_pp_process(struct sl_pp_context *context,
if (sl_pp_process_define(context, input, first, last)) {
return -1;
}
+ } else if (!strcmp(name, "error")) {
+ sl_pp_process_error(context, input, first, last);
+ return -1;
} else if (!strcmp(name, "undef")) {
if (sl_pp_process_undef(context, input, first, last)) {
return -1;
diff --git a/src/glsl/pp/sl_pp_process.h b/src/glsl/pp/sl_pp_process.h
index 61e67fef0b..11a94921d8 100644
--- a/src/glsl/pp/sl_pp_process.h
+++ b/src/glsl/pp/sl_pp_process.h
@@ -92,6 +92,12 @@ sl_pp_process_endif(struct sl_pp_context *context,
unsigned int first,
unsigned int last);
+void
+sl_pp_process_error(struct sl_pp_context *context,
+ const struct sl_pp_token_info *input,
+ unsigned int first,
+ unsigned int last);
+
int
sl_pp_process_out(struct sl_pp_process_state *state,
const struct sl_pp_token_info *token);
generated by cgit v1.2.3 (git 2.51.0) at 2025-10-31 08:50:05 +0000