glsl: Add a preprocessor tokeniser.

1 files changed, 107 insertions, 0 deletions

diff --git a/src/glsl/pp/sl_pp_token.h b/src/glsl/pp/sl_pp_token.h
new file mode 100644
index 00000000000..5e7fae7d29c
--- /dev/null
+++ b/src/glsl/pp/sl_pp_token.h
@@ -0,0 +1,107 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+#ifndef SL_PP_TOKEN_H
+#define SL_PP_TOKEN_H
+
+
+enum sl_pp_token {
+   SL_PP_WHITESPACE,
+   SL_PP_NEWLINE,
+   SL_PP_HASH,             /* #   */
+
+   SL_PP_COMMA,            /* ,   */
+   SL_PP_SEMICOLON,        /* ;   */
+   SL_PP_LBRACE,           /* {   */
+   SL_PP_RBRACE,           /* }   */
+   SL_PP_LPAREN,           /* (   */
+   SL_PP_RPAREN,           /* )   */
+   SL_PP_LBRACKET,         /* [   */
+   SL_PP_RBRACKET,         /* ]   */
+   SL_PP_DOT,              /* .   */
+   SL_PP_INCREMENT,        /* ++  */
+   SL_PP_ADDASSIGN,        /* +=  */
+   SL_PP_PLUS,             /* +   */
+   SL_PP_DECREMENT,        /* --  */
+   SL_PP_SUBASSIGN,        /* -=  */
+   SL_PP_MINUS,            /* -   */
+   SL_PP_BITNOT,           /* ~   */
+   SL_PP_NOTEQUAL,         /* !=  */
+   SL_PP_NOT,              /* !   */
+   SL_PP_MULASSIGN,        /* *=  */
+   SL_PP_STAR,             /* *   */
+   SL_PP_DIVASSIGN,        /* /=  */
+   SL_PP_SLASH,            /* /   */
+   SL_PP_MODASSIGN,        /* %=  */
+   SL_PP_MODULO,           /* %   */
+   SL_PP_LSHIFTASSIGN,     /* <<= */
+   SL_PP_LSHIFT,           /* <<  */
+   SL_PP_LESSEQUAL,        /* <=  */
+   SL_PP_LESS,             /* <   */
+   SL_PP_RSHIFTASSIGN,     /* >>= */
+   SL_PP_RSHIFT,           /* >>  */
+   SL_PP_GREATEREQUAL,     /* >=  */
+   SL_PP_GREATER,          /* >   */
+   SL_PP_EQUAL,            /* ==  */
+   SL_PP_ASSIGN,           /* =   */
+   SL_PP_AND,              /* &&  */
+   SL_PP_BITANDASSIGN,     /* &=  */
+   SL_PP_BITAND,           /* &   */
+   SL_PP_XOR,              /* ^^  */
+   SL_PP_BITXORASSIGN,     /* ^=  */
+   SL_PP_BITXOR,           /* ^   */
+   SL_PP_OR,               /* ||  */
+   SL_PP_BITORASSIGN,      /* |=  */
+   SL_PP_BITOR,            /* |   */
+   SL_PP_QUESTION,         /* ?   */
+   SL_PP_COLON,            /* :   */
+
+   SL_PP_IDENTIFIER,
+
+   SL_PP_NUMBER,
+
+   SL_PP_OTHER,
+
+   SL_PP_EOF
+};
+
+union sl_pp_token_data {
+   char *identifier;
+   char *number;
+   char other;
+};
+
+struct sl_pp_token_info {
+   enum sl_pp_token token;
+   union sl_pp_token_data data;
+};
+
+int
+sl_pp_tokenise(const char *input,
+               struct sl_pp_token_info **output);
+
+#endif /* SL_PP_TOKEN_H */