Merge branch 'glsl2-head' into glsl2

This brings in the standalone GLSL compiler that we are planning on
replacing the existing Mesa GLSL compiler.  It currently targets GLSL
1.20 and the Mesa IR.

1 files changed, 224 insertions, 0 deletions

diff --git a/src/glsl/glcpp/glcpp.h b/src/glsl/glcpp/glcpp.h
new file mode 100644
index 0000000000..2cfa98d2b1
--- /dev/null
+++ b/src/glsl/glcpp/glcpp.h
@@ -0,0 +1,224 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#ifndef GLCPP_H
+#define GLCPP_H
+
+#include <stdint.h>
+
+#include <talloc.h>
+
+#include "hash_table.h"
+
+#define yyscan_t void*
+
+/* Some data types used for parser values. */
+
+typedef struct string_node {
+	const char *str;
+	struct string_node *next;
+} string_node_t;
+
+typedef struct string_list {
+	string_node_t *head;
+	string_node_t *tail;
+} string_list_t;
+
+typedef struct token token_t;
+typedef struct token_list token_list_t;
+
+typedef union YYSTYPE
+{
+	intmax_t ival;
+	char *str;
+	string_list_t *string_list;
+	token_t *token;
+	token_list_t *token_list;
+} YYSTYPE;
+
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
+
+typedef struct YYLTYPE {
+   int first_line;
+   int first_column;
+   int last_line;
+   int last_column;
+   unsigned source;
+} YYLTYPE;
+# define YYLTYPE_IS_DECLARED 1
+# define YYLTYPE_IS_TRIVIAL 1
+
+struct token {
+	int type;
+	YYSTYPE value;
+	YYLTYPE location;
+};
+
+typedef struct token_node {
+	token_t *token;
+	struct token_node *next;
+} token_node_t;
+
+struct token_list {
+	token_node_t *head;
+	token_node_t *tail;
+	token_node_t *non_space_tail;
+};
+
+typedef struct argument_node {
+	token_list_t *argument;
+	struct argument_node *next;
+} argument_node_t;
+
+typedef struct argument_list {
+	argument_node_t *head;
+	argument_node_t *tail;
+} argument_list_t;
+
+typedef struct glcpp_parser glcpp_parser_t;
+
+typedef enum {
+	TOKEN_CLASS_IDENTIFIER,
+	TOKEN_CLASS_IDENTIFIER_FINALIZED,
+	TOKEN_CLASS_FUNC_MACRO,
+	TOKEN_CLASS_OBJ_MACRO
+} token_class_t;
+
+token_class_t
+glcpp_parser_classify_token (glcpp_parser_t *parser,
+			     const char *identifier,
+			     int *parameter_index);
+
+typedef struct {
+	int is_function;
+	string_list_t *parameters;
+	const char *identifier;
+	token_list_t *replacements;
+} macro_t;
+
+typedef struct expansion_node {
+	macro_t *macro;
+	token_node_t *replacements;
+	struct expansion_node *next;
+} expansion_node_t;
+
+typedef enum skip_type {
+	SKIP_NO_SKIP,
+	SKIP_TO_ELSE,
+	SKIP_TO_ENDIF
+} skip_type_t;
+
+typedef struct skip_node {
+	skip_type_t type;
+	YYLTYPE loc; /* location of the initial #if/#elif/... */
+	struct skip_node *next;
+} skip_node_t;
+
+typedef struct active_list {
+	const char *identifier;
+	token_node_t *marker;
+	struct active_list *next;
+} active_list_t;
+
+struct glcpp_parser {
+	yyscan_t scanner;
+	struct hash_table *defines;
+	active_list_t *active;
+	int lexing_if;
+	int space_tokens;
+	int newline_as_space;
+	int in_control_line;
+	int paren_count;
+	skip_node_t *skip_stack;
+	token_list_t *lex_from_list;
+	token_node_t *lex_from_node;
+	char *output;
+	char *info_log;
+	int error;
+};
+
+glcpp_parser_t *
+glcpp_parser_create (void);
+
+int
+glcpp_parser_parse (glcpp_parser_t *parser);
+
+void
+glcpp_parser_destroy (glcpp_parser_t *parser);
+
+int
+preprocess(void *talloc_ctx, const char **shader, char **info_log);
+
+/* Functions for writing to the info log */
+
+void
+glcpp_error (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...);
+
+void
+glcpp_warning (YYLTYPE *locp, glcpp_parser_t *parser, const char *fmt, ...);
+
+/* Generated by glcpp-lex.l to glcpp-lex.c */
+
+int
+glcpp_lex_init_extra (glcpp_parser_t *parser, yyscan_t* scanner);
+
+void
+glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader);
+
+int
+glcpp_lex (YYSTYPE *lvalp, YYLTYPE *llocp, yyscan_t scanner);
+
+int
+glcpp_lex_destroy (yyscan_t scanner);
+
+/* Generated by glcpp-parse.y to glcpp-parse.c */
+
+int
+yyparse (glcpp_parser_t *parser);
+
+/* xtalloc - wrappers around talloc to check for out-of-memory */
+
+#define xtalloc(ctx, type) (type *)xtalloc_named_const(ctx, sizeof(type), #type)
+
+#define xtalloc_size(ctx, size) xtalloc_named_const(ctx, size, __location__)
+
+void *
+xtalloc_named_const (const void *context, size_t size, const char *name);
+
+char *
+xtalloc_strdup (const void *t, const char *p);
+
+char *
+xtalloc_strndup (const void *t, const char *p, size_t n);
+
+char *
+xtalloc_asprintf (const void *t, const char *fmt, ...);
+
+void *
+_xtalloc_reference_loc (const void *context,
+			const void *ptr, const char *location);
+
+#define xtalloc_reference(ctx, ptr) (_TALLOC_TYPEOF(ptr))_xtalloc_reference_loc((ctx),(ptr), __location__)
+
+#endif