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authormarha <marha@users.sourceforge.net>2010-11-29 22:05:53 +0000
committermarha <marha@users.sourceforge.net>2010-11-29 22:05:53 +0000
commitfed109d6a33c0871291d1bb2f3f6b7a3d1a3e9d7 (patch)
treefa1ba494685a71e28a096990a8707680c7cb378b /mesalib/src/mesa/program/program_lexer.l
parentae340911c1ba1f98b418bd8f1a487fa4d79491b0 (diff)
parent6fda93be42ace9eeab0e82ceebb6798961c9105c (diff)
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svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src/mesa/program/program_lexer.l')
-rw-r--r--mesalib/src/mesa/program/program_lexer.l507
1 files changed, 507 insertions, 0 deletions
diff --git a/mesalib/src/mesa/program/program_lexer.l b/mesalib/src/mesa/program/program_lexer.l
new file mode 100644
index 000000000..0a50dab97
--- /dev/null
+++ b/mesalib/src/mesa/program/program_lexer.l
@@ -0,0 +1,507 @@
+%{
+/*
+ * Copyright © 2009 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 "main/glheader.h"
+#include "main/imports.h"
+#include "program/prog_instruction.h"
+#include "program/prog_statevars.h"
+#include "program/symbol_table.h"
+#include "program/program_parser.h"
+#include "program/program_parse.tab.h"
+
+#define require_ARB_vp (yyextra->mode == ARB_vertex)
+#define require_ARB_fp (yyextra->mode == ARB_fragment)
+#define require_NV_fp (yyextra->option.NV_fragment)
+#define require_shadow (yyextra->option.Shadow)
+#define require_rect (yyextra->option.TexRect)
+#define require_texarray (yyextra->option.TexArray)
+
+#ifndef HAVE_UNISTD_H
+#define YY_NO_UNISTD_H
+#endif
+
+#define return_token_or_IDENTIFIER(condition, token) \
+ do { \
+ if (condition) { \
+ return token; \
+ } else { \
+ return handle_ident(yyextra, yytext, yylval); \
+ } \
+ } while (0)
+
+#define return_token_or_DOT(condition, token) \
+ do { \
+ if (condition) { \
+ return token; \
+ } else { \
+ yyless(1); \
+ return DOT; \
+ } \
+ } while (0)
+
+
+#define return_opcode(condition, token, opcode, len) \
+ do { \
+ if (condition && \
+ _mesa_parse_instruction_suffix(yyextra, \
+ yytext + len, \
+ & yylval->temp_inst)) { \
+ yylval->temp_inst.Opcode = OPCODE_ ## opcode; \
+ return token; \
+ } else { \
+ return handle_ident(yyextra, yytext, yylval); \
+ } \
+ } while (0)
+
+#define SWIZZLE_INVAL MAKE_SWIZZLE4(SWIZZLE_NIL, SWIZZLE_NIL, \
+ SWIZZLE_NIL, SWIZZLE_NIL)
+
+static unsigned
+mask_from_char(char c)
+{
+ switch (c) {
+ case 'x':
+ case 'r':
+ return WRITEMASK_X;
+ case 'y':
+ case 'g':
+ return WRITEMASK_Y;
+ case 'z':
+ case 'b':
+ return WRITEMASK_Z;
+ case 'w':
+ case 'a':
+ return WRITEMASK_W;
+ }
+
+ return 0;
+}
+
+static unsigned
+swiz_from_char(char c)
+{
+ switch (c) {
+ case 'x':
+ case 'r':
+ return SWIZZLE_X;
+ case 'y':
+ case 'g':
+ return SWIZZLE_Y;
+ case 'z':
+ case 'b':
+ return SWIZZLE_Z;
+ case 'w':
+ case 'a':
+ return SWIZZLE_W;
+ }
+
+ return 0;
+}
+
+static int
+handle_ident(struct asm_parser_state *state, const char *text, YYSTYPE *lval)
+{
+ lval->string = strdup(text);
+
+ return (_mesa_symbol_table_find_symbol(state->st, 0, text) == NULL)
+ ? IDENTIFIER : USED_IDENTIFIER;
+}
+
+#define YY_USER_ACTION \
+ do { \
+ yylloc->first_column = yylloc->last_column; \
+ yylloc->last_column += yyleng; \
+ if ((yylloc->first_line == 1) \
+ && (yylloc->first_column == 1)) { \
+ yylloc->position = 1; \
+ } else { \
+ yylloc->position += yylloc->last_column - yylloc->first_column; \
+ } \
+ } while(0);
+
+#define YY_NO_INPUT
+
+/* Yes, this is intentionally doing nothing. We have this line of code
+here only to avoid the compiler complaining about an unput function
+that is defined, but never called. */
+#define YY_USER_INIT while (0) { unput(0); }
+
+#define YY_EXTRA_TYPE struct asm_parser_state *
+
+/* Flex defines a couple of functions with no declarations nor the
+static keyword. Declare them here to avoid a compiler warning. */
+int yyget_column (yyscan_t yyscanner);
+void yyset_column (int column_no , yyscan_t yyscanner);
+
+%}
+
+num [0-9]+
+exp [Ee][-+]?[0-9]+
+frac "."[0-9]+
+dot "."[ \t]*
+
+sz [HRX]?
+szf [HR]?
+cc C?
+sat (_SAT)?
+
+%option bison-bridge bison-locations reentrant noyywrap
+%%
+
+"!!ARBvp1.0" { return ARBvp_10; }
+"!!ARBfp1.0" { return ARBfp_10; }
+ADDRESS {
+ yylval->integer = at_address;
+ return_token_or_IDENTIFIER(require_ARB_vp, ADDRESS);
+}
+ALIAS { return ALIAS; }
+ATTRIB { return ATTRIB; }
+END { return END; }
+OPTION { return OPTION; }
+OUTPUT { return OUTPUT; }
+PARAM { return PARAM; }
+TEMP { yylval->integer = at_temp; return TEMP; }
+
+ABS{sz}{cc}{sat} { return_opcode( 1, VECTOR_OP, ABS, 3); }
+ADD{sz}{cc}{sat} { return_opcode( 1, BIN_OP, ADD, 3); }
+ARL { return_opcode(require_ARB_vp, ARL, ARL, 3); }
+
+CMP{sat} { return_opcode(require_ARB_fp, TRI_OP, CMP, 3); }
+COS{szf}{cc}{sat} { return_opcode(require_ARB_fp, SCALAR_OP, COS, 3); }
+
+DDX{szf}{cc}{sat} { return_opcode(require_NV_fp, VECTOR_OP, DDX, 3); }
+DDY{szf}{cc}{sat} { return_opcode(require_NV_fp, VECTOR_OP, DDY, 3); }
+DP3{sz}{cc}{sat} { return_opcode( 1, BIN_OP, DP3, 3); }
+DP4{sz}{cc}{sat} { return_opcode( 1, BIN_OP, DP4, 3); }
+DPH{sz}{cc}{sat} { return_opcode( 1, BIN_OP, DPH, 3); }
+DST{szf}{cc}{sat} { return_opcode( 1, BIN_OP, DST, 3); }
+
+EX2{szf}{cc}{sat} { return_opcode( 1, SCALAR_OP, EX2, 3); }
+EXP { return_opcode(require_ARB_vp, SCALAR_OP, EXP, 3); }
+
+FLR{sz}{cc}{sat} { return_opcode( 1, VECTOR_OP, FLR, 3); }
+FRC{sz}{cc}{sat} { return_opcode( 1, VECTOR_OP, FRC, 3); }
+
+KIL { return_opcode(require_ARB_fp, KIL, KIL, 3); }
+
+LIT{szf}{cc}{sat} { return_opcode( 1, VECTOR_OP, LIT, 3); }
+LG2{szf}{cc}{sat} { return_opcode( 1, SCALAR_OP, LG2, 3); }
+LOG { return_opcode(require_ARB_vp, SCALAR_OP, LOG, 3); }
+LRP{sz}{cc}{sat} { return_opcode(require_ARB_fp, TRI_OP, LRP, 3); }
+
+MAD{sz}{cc}{sat} { return_opcode( 1, TRI_OP, MAD, 3); }
+MAX{sz}{cc}{sat} { return_opcode( 1, BIN_OP, MAX, 3); }
+MIN{sz}{cc}{sat} { return_opcode( 1, BIN_OP, MIN, 3); }
+MOV{sz}{cc}{sat} { return_opcode( 1, VECTOR_OP, MOV, 3); }
+MUL{sz}{cc}{sat} { return_opcode( 1, BIN_OP, MUL, 3); }
+
+PK2H { return_opcode(require_NV_fp, VECTOR_OP, PK2H, 4); }
+PK2US { return_opcode(require_NV_fp, VECTOR_OP, PK2US, 5); }
+PK4B { return_opcode(require_NV_fp, VECTOR_OP, PK4B, 4); }
+PK4UB { return_opcode(require_NV_fp, VECTOR_OP, PK4UB, 5); }
+POW{szf}{cc}{sat} { return_opcode( 1, BINSC_OP, POW, 3); }
+
+RCP{szf}{cc}{sat} { return_opcode( 1, SCALAR_OP, RCP, 3); }
+RFL{szf}{cc}{sat} { return_opcode(require_NV_fp, BIN_OP, RFL, 3); }
+RSQ{szf}{cc}{sat} { return_opcode( 1, SCALAR_OP, RSQ, 3); }
+
+SCS{sat} { return_opcode(require_ARB_fp, SCALAR_OP, SCS, 3); }
+SEQ{sz}{cc}{sat} { return_opcode(require_NV_fp, BIN_OP, SEQ, 3); }
+SFL{sz}{cc}{sat} { return_opcode(require_NV_fp, BIN_OP, SFL, 3); }
+SGE{sz}{cc}{sat} { return_opcode( 1, BIN_OP, SGE, 3); }
+SGT{sz}{cc}{sat} { return_opcode(require_NV_fp, BIN_OP, SGT, 3); }
+SIN{szf}{cc}{sat} { return_opcode(require_ARB_fp, SCALAR_OP, SIN, 3); }
+SLE{sz}{cc}{sat} { return_opcode(require_NV_fp, BIN_OP, SLE, 3); }
+SLT{sz}{cc}{sat} { return_opcode( 1, BIN_OP, SLT, 3); }
+SNE{sz}{cc}{sat} { return_opcode(require_NV_fp, BIN_OP, SNE, 3); }
+STR{sz}{cc}{sat} { return_opcode(require_NV_fp, BIN_OP, STR, 3); }
+SUB{sz}{cc}{sat} { return_opcode( 1, BIN_OP, SUB, 3); }
+SWZ{sat} { return_opcode( 1, SWZ, SWZ, 3); }
+
+TEX{cc}{sat} { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, 3); }
+TXB{cc}{sat} { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, 3); }
+TXD{cc}{sat} { return_opcode(require_NV_fp, TXD_OP, TXD, 3); }
+TXP{cc}{sat} { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, 3); }
+
+UP2H{cc}{sat} { return_opcode(require_NV_fp, SCALAR_OP, UP2H, 4); }
+UP2US{cc}{sat} { return_opcode(require_NV_fp, SCALAR_OP, UP2US, 5); }
+UP4B{cc}{sat} { return_opcode(require_NV_fp, SCALAR_OP, UP4B, 4); }
+UP4UB{cc}{sat} { return_opcode(require_NV_fp, SCALAR_OP, UP4UB, 5); }
+
+X2D{szf}{cc}{sat} { return_opcode(require_NV_fp, TRI_OP, X2D, 3); }
+XPD{sat} { return_opcode( 1, BIN_OP, XPD, 3); }
+
+vertex { return_token_or_IDENTIFIER(require_ARB_vp, VERTEX); }
+fragment { return_token_or_IDENTIFIER(require_ARB_fp, FRAGMENT); }
+program { return PROGRAM; }
+state { return STATE; }
+result { return RESULT; }
+
+{dot}ambient { return AMBIENT; }
+{dot}attenuation { return ATTENUATION; }
+{dot}back { return BACK; }
+{dot}clip { return_token_or_DOT(require_ARB_vp, CLIP); }
+{dot}color { return COLOR; }
+{dot}depth { return_token_or_DOT(require_ARB_fp, DEPTH); }
+{dot}diffuse { return DIFFUSE; }
+{dot}direction { return DIRECTION; }
+{dot}emission { return EMISSION; }
+{dot}env { return ENV; }
+{dot}eye { return EYE; }
+{dot}fogcoord { return FOGCOORD; }
+{dot}fog { return FOG; }
+{dot}front { return FRONT; }
+{dot}half { return HALF; }
+{dot}inverse { return INVERSE; }
+{dot}invtrans { return INVTRANS; }
+{dot}light { return LIGHT; }
+{dot}lightmodel { return LIGHTMODEL; }
+{dot}lightprod { return LIGHTPROD; }
+{dot}local { return LOCAL; }
+{dot}material { return MATERIAL; }
+{dot}program { return MAT_PROGRAM; }
+{dot}matrix { return MATRIX; }
+{dot}matrixindex { return_token_or_DOT(require_ARB_vp, MATRIXINDEX); }
+{dot}modelview { return MODELVIEW; }
+{dot}mvp { return MVP; }
+{dot}normal { return_token_or_DOT(require_ARB_vp, NORMAL); }
+{dot}object { return OBJECT; }
+{dot}palette { return PALETTE; }
+{dot}params { return PARAMS; }
+{dot}plane { return PLANE; }
+{dot}point { return_token_or_DOT(require_ARB_vp, POINT_TOK); }
+{dot}pointsize { return_token_or_DOT(require_ARB_vp, POINTSIZE); }
+{dot}position { return POSITION; }
+{dot}primary { return PRIMARY; }
+{dot}projection { return PROJECTION; }
+{dot}range { return_token_or_DOT(require_ARB_fp, RANGE); }
+{dot}row { return ROW; }
+{dot}scenecolor { return SCENECOLOR; }
+{dot}secondary { return SECONDARY; }
+{dot}shininess { return SHININESS; }
+{dot}size { return_token_or_DOT(require_ARB_vp, SIZE_TOK); }
+{dot}specular { return SPECULAR; }
+{dot}spot { return SPOT; }
+{dot}texcoord { return TEXCOORD; }
+{dot}texenv { return_token_or_DOT(require_ARB_fp, TEXENV); }
+{dot}texgen { return_token_or_DOT(require_ARB_vp, TEXGEN); }
+{dot}q { return_token_or_DOT(require_ARB_vp, TEXGEN_Q); }
+{dot}s { return_token_or_DOT(require_ARB_vp, TEXGEN_S); }
+{dot}t { return_token_or_DOT(require_ARB_vp, TEXGEN_T); }
+{dot}texture { return TEXTURE; }
+{dot}transpose { return TRANSPOSE; }
+{dot}attrib { return_token_or_DOT(require_ARB_vp, VTXATTRIB); }
+{dot}weight { return_token_or_DOT(require_ARB_vp, WEIGHT); }
+
+texture { return_token_or_IDENTIFIER(require_ARB_fp, TEXTURE_UNIT); }
+1D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_1D); }
+2D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_2D); }
+3D { return_token_or_IDENTIFIER(require_ARB_fp, TEX_3D); }
+CUBE { return_token_or_IDENTIFIER(require_ARB_fp, TEX_CUBE); }
+RECT { return_token_or_IDENTIFIER(require_ARB_fp && require_rect, TEX_RECT); }
+SHADOW1D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW1D); }
+SHADOW2D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW2D); }
+SHADOWRECT { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_rect, TEX_SHADOWRECT); }
+ARRAY1D { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY1D); }
+ARRAY2D { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY2D); }
+ARRAYSHADOW1D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW1D); }
+ARRAYSHADOW2D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW2D); }
+
+[_a-zA-Z$][_a-zA-Z0-9$]* { return handle_ident(yyextra, yytext, yylval); }
+
+".." { return DOT_DOT; }
+
+{num} {
+ yylval->integer = strtol(yytext, NULL, 10);
+ return INTEGER;
+}
+{num}?{frac}{exp}? {
+ yylval->real = _mesa_strtof(yytext, NULL);
+ return REAL;
+}
+{num}"."/[^.] {
+ yylval->real = _mesa_strtof(yytext, NULL);
+ return REAL;
+}
+{num}{exp} {
+ yylval->real = _mesa_strtof(yytext, NULL);
+ return REAL;
+}
+{num}"."{exp} {
+ yylval->real = _mesa_strtof(yytext, NULL);
+ return REAL;
+}
+
+".xyzw" {
+ yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
+ yylval->swiz_mask.mask = WRITEMASK_XYZW;
+ return MASK4;
+}
+
+".xy"[zw] {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_XY
+ | mask_from_char(yytext[3]);
+ return MASK3;
+}
+".xzw" {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_XZW;
+ return MASK3;
+}
+".yzw" {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_YZW;
+ return MASK3;
+}
+
+".x"[yzw] {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_X
+ | mask_from_char(yytext[2]);
+ return MASK2;
+}
+".y"[zw] {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_Y
+ | mask_from_char(yytext[2]);
+ return MASK2;
+}
+".zw" {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_ZW;
+ return MASK2;
+}
+
+"."[xyzw] {
+ const unsigned s = swiz_from_char(yytext[1]);
+ yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
+ yylval->swiz_mask.mask = mask_from_char(yytext[1]);
+ return MASK1;
+}
+
+"."[xyzw]{4} {
+ yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
+ swiz_from_char(yytext[2]),
+ swiz_from_char(yytext[3]),
+ swiz_from_char(yytext[4]));
+ yylval->swiz_mask.mask = 0;
+ return SWIZZLE;
+}
+
+".rgba" {
+ yylval->swiz_mask.swizzle = SWIZZLE_NOOP;
+ yylval->swiz_mask.mask = WRITEMASK_XYZW;
+ return_token_or_DOT(require_ARB_fp, MASK4);
+}
+
+".rg"[ba] {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_XY
+ | mask_from_char(yytext[3]);
+ return_token_or_DOT(require_ARB_fp, MASK3);
+}
+".rba" {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_XZW;
+ return_token_or_DOT(require_ARB_fp, MASK3);
+}
+".gba" {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_YZW;
+ return_token_or_DOT(require_ARB_fp, MASK3);
+}
+
+".r"[gba] {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_X
+ | mask_from_char(yytext[2]);
+ return_token_or_DOT(require_ARB_fp, MASK2);
+}
+".g"[ba] {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_Y
+ | mask_from_char(yytext[2]);
+ return_token_or_DOT(require_ARB_fp, MASK2);
+}
+".ba" {
+ yylval->swiz_mask.swizzle = SWIZZLE_INVAL;
+ yylval->swiz_mask.mask = WRITEMASK_ZW;
+ return_token_or_DOT(require_ARB_fp, MASK2);
+}
+
+"."[gba] {
+ const unsigned s = swiz_from_char(yytext[1]);
+ yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s);
+ yylval->swiz_mask.mask = mask_from_char(yytext[1]);
+ return_token_or_DOT(require_ARB_fp, MASK1);
+}
+
+
+".r" {
+ if (require_ARB_vp) {
+ return TEXGEN_R;
+ } else {
+ yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X,
+ SWIZZLE_X, SWIZZLE_X);
+ yylval->swiz_mask.mask = WRITEMASK_X;
+ return MASK1;
+ }
+}
+
+"."[rgba]{4} {
+ yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]),
+ swiz_from_char(yytext[2]),
+ swiz_from_char(yytext[3]),
+ swiz_from_char(yytext[4]));
+ yylval->swiz_mask.mask = 0;
+ return_token_or_DOT(require_ARB_fp, SWIZZLE);
+}
+
+"." { return DOT; }
+
+\n {
+ yylloc->first_line++;
+ yylloc->first_column = 1;
+ yylloc->last_line++;
+ yylloc->last_column = 1;
+ yylloc->position++;
+}
+[ \t\r]+ /* eat whitespace */ ;
+#.*$ /* eat comments */ ;
+. { return yytext[0]; }
+%%
+
+void
+_mesa_program_lexer_ctor(void **scanner, struct asm_parser_state *state,
+ const char *string, size_t len)
+{
+ yylex_init_extra(state, scanner);
+ yy_scan_bytes(string, len, *scanner);
+}
+
+void
+_mesa_program_lexer_dtor(void *scanner)
+{
+ yylex_destroy(scanner);
+}