Merge remote-tracking branch 'origin/released'

1 files changed, 332 insertions, 324 deletions

diff --git a/mesalib/src/glsl/glcpp/glcpp-lex.l b/mesalib/src/glsl/glcpp/glcpp-lex.l
index 596c6db70..b34f2c0e9 100644
--- a/mesalib/src/glsl/glcpp/glcpp-lex.l
+++ b/mesalib/src/glsl/glcpp/glcpp-lex.l
@@ -1,324 +1,332 @@
-%{

-/*

- * 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.

- */

-

-#include <stdio.h>

-#include <string.h>

-#include <ctype.h>

-

-#include "glcpp.h"

-#include "glcpp-parse.h"

-

-/* Flex annoyingly generates some functions without making them

- * static. Let's declare them here. */

-int glcpp_get_column  (yyscan_t yyscanner);

-void glcpp_set_column (int  column_no , yyscan_t yyscanner);

-

-#ifdef _MSC_VER

-#define YY_NO_UNISTD_H

-#endif

-

-#define YY_NO_INPUT

-

-#define YY_USER_ACTION                                          \

-   do {                                                         \

-      yylloc->first_column = yycolumn + 1;                      \

-      yylloc->first_line = yylineno;                            \

-      yycolumn += yyleng;                                       \

-   } while(0);

-

-#define YY_USER_INIT			\

-	do {				\

-		yylineno = 1;		\

-		yycolumn = 1;		\

-		yylloc->source = 0;	\

-	} while(0)

-%}

-

-%option bison-bridge bison-locations reentrant noyywrap

-%option extra-type="glcpp_parser_t *"

-%option prefix="glcpp_"

-%option stack

-%option never-interactive

-

-%x DONE COMMENT UNREACHABLE SKIP

-

-SPACE		[[:space:]]

-NONSPACE	[^[:space:]]

-NEWLINE		[\n]

-HSPACE		[ \t]

-HASH		^{HSPACE}*#{HSPACE}*

-IDENTIFIER	[_a-zA-Z][_a-zA-Z0-9]*

-PUNCTUATION	[][(){}.&*~!/%<>^|;,=+-]

-OTHER		[^][(){}.&*~!/%<>^|;,=#[:space:]+-]+

-

-DIGITS			[0-9][0-9]*

-DECIMAL_INTEGER		[1-9][0-9]*[uU]?

-OCTAL_INTEGER		0[0-7]*[uU]?

-HEXADECIMAL_INTEGER	0[xX][0-9a-fA-F]+[uU]?

-

-%%

-	/* Implicitly switch between SKIP and INITIAL (non-skipping);

-	 * don't switch if some other state was explicitly set.

-	 */

-	glcpp_parser_t *parser = yyextra;

-	if (YY_START == 0 || YY_START == SKIP) {

-		if (parser->lexing_if || parser->skip_stack == NULL || parser->skip_stack->type == SKIP_NO_SKIP) {

-			BEGIN 0;

-		} else {

-			BEGIN SKIP;

-		}

-	}

-

-	/* Single-line comments */

-"//"[^\n]* {

-}

-

-	/* Multi-line comments */

-"/*"                    { yy_push_state(COMMENT, yyscanner); }

-<COMMENT>[^*\n]*

-<COMMENT>[^*\n]*\n      { yylineno++; yycolumn = 0; return NEWLINE; }

-<COMMENT>"*"+[^*/\n]*

-<COMMENT>"*"+[^*/\n]*\n { yylineno++; yycolumn = 0; return NEWLINE; }

-<COMMENT>"*"+"/"        {

-	yy_pop_state(yyscanner);

-	if (yyextra->space_tokens)

-		return SPACE;

-}

-

-{HASH}version {

-	yylval->str = ralloc_strdup (yyextra, yytext);

-	yyextra->space_tokens = 0;

-	return HASH_VERSION;

-}

-

-	/* glcpp doesn't handle #extension, #version, or #pragma directives.

-	 * Simply pass them through to the main compiler's lexer/parser. */

-{HASH}(extension|pragma)[^\n]+ {

-	yylval->str = ralloc_strdup (yyextra, yytext);

-	yylineno++;

-	yycolumn = 0;

-	return OTHER;

-}

-

-{HASH}line{HSPACE}+{DIGITS}{HSPACE}+{DIGITS}{HSPACE}*$ {

-	/* Eat characters until the first digit is

-	 * encountered

-	 */

-	char *ptr = yytext;

-	while (!isdigit(*ptr))

-		ptr++;

-

-	/* Subtract one from the line number because

-	 * yylineno is zero-based instead of

-	 * one-based.

-	 */

-	yylineno = strtol(ptr, &ptr, 0) - 1;

-	yylloc->source = strtol(ptr, NULL, 0);

-}

-

-{HASH}line{HSPACE}+{DIGITS}{HSPACE}*$ {

-	/* Eat characters until the first digit is

-	 * encountered

-	 */

-	char *ptr = yytext;

-	while (!isdigit(*ptr))

-		ptr++;

-

-	/* Subtract one from the line number because

-	 * yylineno is zero-based instead of

-	 * one-based.

-	 */

-	yylineno = strtol(ptr, &ptr, 0) - 1;

-}

-

-<SKIP,INITIAL>{

-{HASH}ifdef {

-	yyextra->lexing_if = 1;

-	yyextra->space_tokens = 0;

-	return HASH_IFDEF;

-}

-

-{HASH}ifndef {

-	yyextra->lexing_if = 1;

-	yyextra->space_tokens = 0;

-	return HASH_IFNDEF;

-}

-

-{HASH}if/[^_a-zA-Z0-9] {

-	yyextra->lexing_if = 1;

-	yyextra->space_tokens = 0;

-	return HASH_IF;

-}

-

-{HASH}elif {

-	yyextra->lexing_if = 1;

-	yyextra->space_tokens = 0;

-	return HASH_ELIF;

-}

-

-{HASH}else {

-	yyextra->space_tokens = 0;

-	return HASH_ELSE;

-}

-

-{HASH}endif {

-	yyextra->space_tokens = 0;

-	return HASH_ENDIF;

-}

-}

-

-<SKIP>[^\n] ;

-

-{HASH}error.* {

-	char *p;

-	for (p = yytext; !isalpha(p[0]); p++); /* skip "  #   " */

-	p += 5; /* skip "error" */

-	glcpp_error(yylloc, yyextra, "#error%s", p);

-}

-

-{HASH}define{HSPACE}+/{IDENTIFIER}"(" {

-	yyextra->space_tokens = 0;

-	return HASH_DEFINE_FUNC;

-}

-

-{HASH}define {

-	yyextra->space_tokens = 0;

-	return HASH_DEFINE_OBJ;

-}

-

-{HASH}undef {

-	yyextra->space_tokens = 0;

-	return HASH_UNDEF;

-}

-

-{HASH} {

-	yyextra->space_tokens = 0;

-	return HASH;

-}

-

-{DECIMAL_INTEGER} {

-	yylval->str = ralloc_strdup (yyextra, yytext);

-	return INTEGER_STRING;

-}

-

-{OCTAL_INTEGER} {

-	yylval->str = ralloc_strdup (yyextra, yytext);

-	return INTEGER_STRING;

-}

-

-{HEXADECIMAL_INTEGER} {

-	yylval->str = ralloc_strdup (yyextra, yytext);

-	return INTEGER_STRING;

-}

-

-"<<"  {

-	return LEFT_SHIFT;

-}

-

-">>" {

-	return RIGHT_SHIFT;

-}

-

-"<=" {

-	return LESS_OR_EQUAL;

-}

-

-">=" {

-	return GREATER_OR_EQUAL;

-}

-

-"==" {

-	return EQUAL;

-}

-

-"!=" {

-	return NOT_EQUAL;

-}

-

-"&&" {

-	return AND;

-}

-

-"||" {

-	return OR;

-}

-

-"##" {

-	return PASTE;

-}

-

-"defined" {

-	return DEFINED;

-}

-

-{IDENTIFIER} {

-	yylval->str = ralloc_strdup (yyextra, yytext);

-	return IDENTIFIER;

-}

-

-{PUNCTUATION} {

-	return yytext[0];

-}

-

-{OTHER}+ {

-	yylval->str = ralloc_strdup (yyextra, yytext);

-	return OTHER;

-}

-

-{HSPACE}+ {

-	if (yyextra->space_tokens) {

-		return SPACE;

-	}

-}

-

-<SKIP,INITIAL>\n {

-	yyextra->lexing_if = 0;

-	yylineno++;

-	yycolumn = 0;

-	return NEWLINE;

-}

-

-	/* Handle missing newline at EOF. */

-<INITIAL><<EOF>> {

-	BEGIN DONE; /* Don't keep matching this rule forever. */

-	yyextra->lexing_if = 0;

-	return NEWLINE;

-}

-

-	/* We don't actually use the UNREACHABLE start condition. We

-	only have this action here so that we can pretend to call some

-	generated functions, (to avoid "defined but not used"

-	warnings. */

-<UNREACHABLE>. {

-	unput('.');

-	yy_top_state(yyextra);

-}

-

-%%

-

-void

-glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader)

-{

-	yy_scan_string(shader, parser->scanner);

-}

+%{
+/*
+ * 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.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "glcpp.h"
+#include "glcpp-parse.h"
+
+/* Flex annoyingly generates some functions without making them
+ * static. Let's declare them here. */
+int glcpp_get_column  (yyscan_t yyscanner);
+void glcpp_set_column (int  column_no , yyscan_t yyscanner);
+
+#ifdef _MSC_VER
+#define YY_NO_UNISTD_H
+#endif
+
+#define YY_NO_INPUT
+
+#define YY_USER_ACTION                                          \
+   do {                                                         \
+      yylloc->first_column = yycolumn + 1;                      \
+      yylloc->first_line = yylineno;                            \
+      yycolumn += yyleng;                                       \
+   } while(0);
+
+#define YY_USER_INIT			\
+	do {				\
+		yylineno = 1;		\
+		yycolumn = 1;		\
+		yylloc->source = 0;	\
+	} while(0)
+%}
+
+%option bison-bridge bison-locations reentrant noyywrap
+%option extra-type="glcpp_parser_t *"
+%option prefix="glcpp_"
+%option stack
+%option never-interactive
+
+%x DONE COMMENT UNREACHABLE SKIP
+
+SPACE		[[:space:]]
+NONSPACE	[^[:space:]]
+NEWLINE		[\n]
+HSPACE		[ \t]
+HASH		^{HSPACE}*#{HSPACE}*
+IDENTIFIER	[_a-zA-Z][_a-zA-Z0-9]*
+PUNCTUATION	[][(){}.&*~!/%<>^|;,=+-]
+
+/* The OTHER class is simply a catch-all for things that the CPP
+parser just doesn't care about. Since flex regular expressions that
+match longer strings take priority over those matching shorter
+strings, we have to be careful to avoid OTHER matching and hiding
+something that CPP does care about. So we simply exclude all
+characters that appear in any other expressions. */
+
+OTHER		[^][_#[:space:]#a-zA-Z0-9(){}.&*~!/%<>^|;,=+-]
+
+DIGITS			[0-9][0-9]*
+DECIMAL_INTEGER		[1-9][0-9]*[uU]?
+OCTAL_INTEGER		0[0-7]*[uU]?
+HEXADECIMAL_INTEGER	0[xX][0-9a-fA-F]+[uU]?
+
+%%
+	/* Implicitly switch between SKIP and INITIAL (non-skipping);
+	 * don't switch if some other state was explicitly set.
+	 */
+	glcpp_parser_t *parser = yyextra;
+	if (YY_START == 0 || YY_START == SKIP) {
+		if (parser->lexing_if || parser->skip_stack == NULL || parser->skip_stack->type == SKIP_NO_SKIP) {
+			BEGIN 0;
+		} else {
+			BEGIN SKIP;
+		}
+	}
+
+	/* Single-line comments */
+"//"[^\n]* {
+}
+
+	/* Multi-line comments */
+"/*"                    { yy_push_state(COMMENT, yyscanner); }
+<COMMENT>[^*\n]*
+<COMMENT>[^*\n]*\n      { yylineno++; yycolumn = 0; return NEWLINE; }
+<COMMENT>"*"+[^*/\n]*
+<COMMENT>"*"+[^*/\n]*\n { yylineno++; yycolumn = 0; return NEWLINE; }
+<COMMENT>"*"+"/"        {
+	yy_pop_state(yyscanner);
+	if (yyextra->space_tokens)
+		return SPACE;
+}
+
+{HASH}version {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	yyextra->space_tokens = 0;
+	return HASH_VERSION;
+}
+
+	/* glcpp doesn't handle #extension, #version, or #pragma directives.
+	 * Simply pass them through to the main compiler's lexer/parser. */
+{HASH}(extension|pragma)[^\n]+ {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	yylineno++;
+	yycolumn = 0;
+	return OTHER;
+}
+
+{HASH}line{HSPACE}+{DIGITS}{HSPACE}+{DIGITS}{HSPACE}*$ {
+	/* Eat characters until the first digit is
+	 * encountered
+	 */
+	char *ptr = yytext;
+	while (!isdigit(*ptr))
+		ptr++;
+
+	/* Subtract one from the line number because
+	 * yylineno is zero-based instead of
+	 * one-based.
+	 */
+	yylineno = strtol(ptr, &ptr, 0) - 1;
+	yylloc->source = strtol(ptr, NULL, 0);
+}
+
+{HASH}line{HSPACE}+{DIGITS}{HSPACE}*$ {
+	/* Eat characters until the first digit is
+	 * encountered
+	 */
+	char *ptr = yytext;
+	while (!isdigit(*ptr))
+		ptr++;
+
+	/* Subtract one from the line number because
+	 * yylineno is zero-based instead of
+	 * one-based.
+	 */
+	yylineno = strtol(ptr, &ptr, 0) - 1;
+}
+
+<SKIP,INITIAL>{
+{HASH}ifdef {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_IFDEF;
+}
+
+{HASH}ifndef {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_IFNDEF;
+}
+
+{HASH}if/[^_a-zA-Z0-9] {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_IF;
+}
+
+{HASH}elif {
+	yyextra->lexing_if = 1;
+	yyextra->space_tokens = 0;
+	return HASH_ELIF;
+}
+
+{HASH}else {
+	yyextra->space_tokens = 0;
+	return HASH_ELSE;
+}
+
+{HASH}endif {
+	yyextra->space_tokens = 0;
+	return HASH_ENDIF;
+}
+}
+
+<SKIP>[^\n] ;
+
+{HASH}error.* {
+	char *p;
+	for (p = yytext; !isalpha(p[0]); p++); /* skip "  #   " */
+	p += 5; /* skip "error" */
+	glcpp_error(yylloc, yyextra, "#error%s", p);
+}
+
+{HASH}define{HSPACE}+/{IDENTIFIER}"(" {
+	yyextra->space_tokens = 0;
+	return HASH_DEFINE_FUNC;
+}
+
+{HASH}define {
+	yyextra->space_tokens = 0;
+	return HASH_DEFINE_OBJ;
+}
+
+{HASH}undef {
+	yyextra->space_tokens = 0;
+	return HASH_UNDEF;
+}
+
+{HASH} {
+	yyextra->space_tokens = 0;
+	return HASH;
+}
+
+{DECIMAL_INTEGER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return INTEGER_STRING;
+}
+
+{OCTAL_INTEGER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return INTEGER_STRING;
+}
+
+{HEXADECIMAL_INTEGER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return INTEGER_STRING;
+}
+
+"<<"  {
+	return LEFT_SHIFT;
+}
+
+">>" {
+	return RIGHT_SHIFT;
+}
+
+"<=" {
+	return LESS_OR_EQUAL;
+}
+
+">=" {
+	return GREATER_OR_EQUAL;
+}
+
+"==" {
+	return EQUAL;
+}
+
+"!=" {
+	return NOT_EQUAL;
+}
+
+"&&" {
+	return AND;
+}
+
+"||" {
+	return OR;
+}
+
+"##" {
+	return PASTE;
+}
+
+"defined" {
+	return DEFINED;
+}
+
+{IDENTIFIER} {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return IDENTIFIER;
+}
+
+{PUNCTUATION} {
+	return yytext[0];
+}
+
+{OTHER}+ {
+	yylval->str = ralloc_strdup (yyextra, yytext);
+	return OTHER;
+}
+
+{HSPACE}+ {
+	if (yyextra->space_tokens) {
+		return SPACE;
+	}
+}
+
+<SKIP,INITIAL>\n {
+	yyextra->lexing_if = 0;
+	yylineno++;
+	yycolumn = 0;
+	return NEWLINE;
+}
+
+	/* Handle missing newline at EOF. */
+<INITIAL><<EOF>> {
+	BEGIN DONE; /* Don't keep matching this rule forever. */
+	yyextra->lexing_if = 0;
+	return NEWLINE;
+}
+
+	/* We don't actually use the UNREACHABLE start condition. We
+	only have this action here so that we can pretend to call some
+	generated functions, (to avoid "defined but not used"
+	warnings. */
+<UNREACHABLE>. {
+	unput('.');
+	yy_top_state(yyextra);
+}
+
+%%
+
+void
+glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader)
+{
+	yy_scan_string(shader, parser->scanner);
+}