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https://gitlab.winehq.org/wine/vkd3d.git
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f1acb3d383
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Matteo Bruni <mbruni@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
292 lines
12 KiB
Plaintext
292 lines
12 KiB
Plaintext
/*
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* HLSL parser
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*
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* Copyright 2008 Stefan Dösinger
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* Copyright 2012 Matteo Bruni for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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%{
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#define YY_NO_UNISTD_H
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#include "hlsl.h"
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#include "hlsl.tab.h"
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static void update_location(HLSL_LTYPE *lloc);
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#define YY_USER_ACTION update_location(&hlsl_lloc);
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%}
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%option prefix="hlsl_"
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%option never-interactive
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%option noinput
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%option nounput
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%option noyywrap
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%x pp pp_line pp_pragma pp_ignore
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RESERVED1 auto|case|catch|char|class|const_cast|default|delete|dynamic_cast|enum
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RESERVED2 explicit|friend|goto|long|mutable|new|operator|private|protected|public
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RESERVED3 reinterpret_cast|short|signed|sizeof|static_cast|template|this|throw|try
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RESERVED4 typename|union|unsigned|using|virtual
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WS [ \t]
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NEWLINE (\n)|(\r\n)
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DOUBLESLASHCOMMENT "//"[^\n]*
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STRING \"[^\"]*\"
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IDENTIFIER [A-Za-z_][A-Za-z0-9_]*
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ANY (.)
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%%
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{RESERVED1} {
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hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
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set_parse_status(&hlsl_ctx.status, PARSE_ERR);
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}
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{RESERVED2} {
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hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
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set_parse_status(&hlsl_ctx.status, PARSE_ERR);
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}
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{RESERVED3} {
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hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
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set_parse_status(&hlsl_ctx.status, PARSE_ERR);
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}
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{RESERVED4} {
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hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
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set_parse_status(&hlsl_ctx.status, PARSE_ERR);
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}
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BlendState {return KW_BLENDSTATE; }
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break {return KW_BREAK; }
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Buffer {return KW_BUFFER; }
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cbuffer {return KW_CBUFFER; }
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compile {return KW_COMPILE; }
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const {return KW_CONST; }
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continue {return KW_CONTINUE; }
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DepthStencilState {return KW_DEPTHSTENCILSTATE; }
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DepthStencilView {return KW_DEPTHSTENCILVIEW; }
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discard {return KW_DISCARD; }
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do {return KW_DO; }
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double {return KW_DOUBLE; }
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else {return KW_ELSE; }
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extern {return KW_EXTERN; }
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false {return KW_FALSE; }
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for {return KW_FOR; }
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GeometryShader {return KW_GEOMETRYSHADER; }
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groupshared {return KW_GROUPSHARED; }
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if {return KW_IF; }
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in {return KW_IN; }
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inline {return KW_INLINE; }
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inout {return KW_INOUT; }
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matrix {return KW_MATRIX; }
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namespace {return KW_NAMESPACE; }
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nointerpolation {return KW_NOINTERPOLATION; }
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out {return KW_OUT; }
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pass {return KW_PASS; }
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PixelShader {return KW_PIXELSHADER; }
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precise {return KW_PRECISE; }
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RasterizerState {return KW_RASTERIZERSTATE; }
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RenderTargetView {return KW_RENDERTARGETVIEW; }
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return {return KW_RETURN; }
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register {return KW_REGISTER; }
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sampler {return KW_SAMPLER; }
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sampler1D {return KW_SAMPLER1D; }
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sampler2D {return KW_SAMPLER2D; }
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sampler3D {return KW_SAMPLER3D; }
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samplerCUBE {return KW_SAMPLERCUBE; }
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sampler_state {return KW_SAMPLER_STATE; }
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SamplerComparisonState {return KW_SAMPLERCOMPARISONSTATE;}
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shared {return KW_SHARED; }
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stateblock {return KW_STATEBLOCK; }
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stateblock_state {return KW_STATEBLOCK_STATE; }
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static {return KW_STATIC; }
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string {return KW_STRING; }
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struct {return KW_STRUCT; }
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switch {return KW_SWITCH; }
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tbuffer {return KW_TBUFFER; }
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technique {return KW_TECHNIQUE; }
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technique10 {return KW_TECHNIQUE10; }
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texture {return KW_TEXTURE; }
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texture1D {return KW_TEXTURE1D; }
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Texture1DArray {return KW_TEXTURE1DARRAY; }
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texture2D {return KW_TEXTURE2D; }
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Texture2DArray {return KW_TEXTURE2DARRAY; }
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Texture2DMS {return KW_TEXTURE2DMS; }
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Texture2DMSArray {return KW_TEXTURE2DMSARRAY; }
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texture3D {return KW_TEXTURE3D; }
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Texture3DArray {return KW_TEXTURE3DARRAY; }
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textureCUBE {return KW_TEXTURECUBE; }
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true {return KW_TRUE; }
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typedef {return KW_TYPEDEF; }
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uniform {return KW_UNIFORM; }
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vector {return KW_VECTOR; }
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VertexShader {return KW_VERTEXSHADER; }
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void {return KW_VOID; }
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volatile {return KW_VOLATILE; }
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while {return KW_WHILE; }
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\+\+ {return OP_INC; }
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\-\- {return OP_DEC; }
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&& {return OP_AND; }
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\|\| {return OP_OR; }
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== {return OP_EQ; }
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\<\< {return OP_LEFTSHIFT; }
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\<\<= {return OP_LEFTSHIFTASSIGN; }
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\>\> {return OP_RIGHTSHIFT; }
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\>\>= {return OP_RIGHTSHIFTASSIGN; }
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\.\.\. {return OP_ELLIPSIS; }
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\<= {return OP_LE; }
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\>= {return OP_GE; }
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!= {return OP_NE; }
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\+= {return OP_ADDASSIGN; }
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\-= {return OP_SUBASSIGN; }
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\*= {return OP_MULASSIGN; }
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\/= {return OP_DIVASSIGN; }
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%= {return OP_MODASSIGN; }
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&= {return OP_ANDASSIGN; }
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\|= {return OP_ORASSIGN; }
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^= {return OP_XORASSIGN; }
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## {return OP_UNKNOWN1; }
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#@ {return OP_UNKNOWN2; }
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:: {return OP_UNKNOWN3; }
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\-\> {return OP_UNKNOWN4; }
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column_major {return KW_COLUMN_MAJOR; }
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row_major {return KW_ROW_MAJOR; }
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{IDENTIFIER} {
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hlsl_lval.name = vkd3d_strdup(yytext);
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if (hlsl_get_var(hlsl_ctx.cur_scope, yytext) || hlsl_get_function(yytext))
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return VAR_IDENTIFIER;
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else if (hlsl_get_type(hlsl_ctx.cur_scope, yytext, true))
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return TYPE_IDENTIFIER;
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else
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return NEW_IDENTIFIER;
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}
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[0-9]*\.[0-9]+([eE][+-]?[0-9]+)?[h|H|f|F]? {
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hlsl_lval.floatval = atof(yytext);
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return C_FLOAT;
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}
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[0-9]+\.([eE][+-]?[0-9]+)?[h|H|f|F]? {
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hlsl_lval.floatval = atof(yytext);
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return C_FLOAT;
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}
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[0-9]+([eE][+-]?[0-9]+)?[h|H|f|F] {
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hlsl_lval.floatval = atof(yytext);
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return C_FLOAT;
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}
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0x[0-9a-fA-F]+ {
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sscanf(yytext, "0x%x", &hlsl_lval.intval);
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return C_INTEGER;
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}
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0[0-7]+ {
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sscanf(yytext, "0%o", &hlsl_lval.intval);
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return C_INTEGER;
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}
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[0-9]+ {
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hlsl_lval.intval = (atoi(yytext));
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return C_INTEGER;
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}
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{DOUBLESLASHCOMMENT} {}
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{WS}+ {}
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{NEWLINE} {
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hlsl_ctx.line_no++;
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hlsl_ctx.column = 1;
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}
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^# {
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BEGIN(pp);
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}
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<pp>pragma{WS}+ {
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TRACE("Got a #pragma.\n");
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BEGIN(pp_pragma);
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}
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<pp_pragma>pack_matrix{WS}*\({WS}*row_major{WS}*\) {
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TRACE("#pragma setting row_major mode.\n");
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hlsl_ctx.matrix_majority = HLSL_ROW_MAJOR;
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BEGIN(pp_ignore);
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}
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<pp_pragma>pack_matrix{WS}*\({WS}*column_major{WS}*\) {
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TRACE("#pragma setting column_major mode.\n");
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hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR;
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BEGIN(pp_ignore);
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}
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<pp_pragma>{NEWLINE} {
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FIXME("Unsupported preprocessor #pragma directive at line %u.\n", hlsl_ctx.line_no);
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BEGIN(INITIAL);
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}
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<pp_pragma>{ANY} {}
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<pp>[0-9]+ {
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TRACE("Preprocessor line info.\n");
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BEGIN(pp_line);
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hlsl_lval.intval = (atoi(yytext));
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return PRE_LINE;
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}
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<pp_line>{STRING} {
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char *string = vkd3d_strdup(yytext + 1);
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BEGIN(pp_ignore);
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string[strlen(string) - 1] = 0;
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hlsl_lval.name = string;
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return STRING;
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}
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<pp_line>{WS}+ {}
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<pp_line>{NEWLINE} {
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FIXME("Malformed preprocessor line directive?\n");
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BEGIN(INITIAL);
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}
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<pp_ignore>{NEWLINE} {
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BEGIN(INITIAL);
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}
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<pp_ignore>{ANY} {}
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<pp>{NEWLINE} {
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FIXME("Unexpected preprocessor directive.\n");
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BEGIN(INITIAL);
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}
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<pp>{ANY} {}
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{ANY} {
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return yytext[0];
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}
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%%
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static void update_location(HLSL_LTYPE *lloc)
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{
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lloc->file = hlsl_ctx.source_file;
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lloc->col = hlsl_ctx.column;
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lloc->line = hlsl_ctx.line_no;
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hlsl_ctx.column += yyleng;
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}
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int hlsl_lexer_compile(const char *text, const char *entrypoint)
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{
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YY_BUFFER_STATE buffer;
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int ret;
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buffer = hlsl__scan_string(text);
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hlsl__switch_to_buffer(buffer);
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ret = hlsl_parser_compile(entrypoint);
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hlsl__delete_buffer(buffer);
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return ret;
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}
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