source/glsl/syntax.cpp

   1 #include <msp/core/maputils.h>
   2 #include "syntax.h"
   3 #include "visitor.h"
   4
   5 using namespace std;
   6
   7 namespace Msp {
   8 namespace GL {
   9 namespace SL {
  10
  11 const Operator Operator::operators[] =
  12 {
  13         { "[", 2, BINARY, LEFT_TO_RIGHT },
  14         { "(", 2, POSTFIX, LEFT_TO_RIGHT },
  15         { ".", 2, BINARY, LEFT_TO_RIGHT },
  16         { "++", 2, POSTFIX, LEFT_TO_RIGHT },
  17         { "--", 2, POSTFIX, LEFT_TO_RIGHT },
  18         { "++", 3, PREFIX, RIGHT_TO_LEFT },
  19         { "--", 3, PREFIX, RIGHT_TO_LEFT },
  20         { "+", 3, PREFIX, RIGHT_TO_LEFT },
  21         { "-", 3, PREFIX, RIGHT_TO_LEFT },
  22         { "~", 3, PREFIX, RIGHT_TO_LEFT },
  23         { "!", 3, PREFIX, RIGHT_TO_LEFT },
  24         { "*", 4, BINARY, LEFT_TO_RIGHT },
  25         { "/", 4, BINARY, LEFT_TO_RIGHT },
  26         { "%", 4, BINARY, LEFT_TO_RIGHT },
  27         { "+", 5, BINARY, LEFT_TO_RIGHT },
  28         { "-", 5, BINARY, LEFT_TO_RIGHT },
  29         { "<<", 6, BINARY, LEFT_TO_RIGHT },
  30         { ">>", 6, BINARY, LEFT_TO_RIGHT },
  31         { "<", 7, BINARY, LEFT_TO_RIGHT },
  32         { ">", 7, BINARY, LEFT_TO_RIGHT },
  33         { "<=", 7, BINARY, LEFT_TO_RIGHT },
  34         { ">=", 7, BINARY, LEFT_TO_RIGHT },
  35         { "==", 8, BINARY, LEFT_TO_RIGHT },
  36         { "!=", 8, BINARY, LEFT_TO_RIGHT },
  37         { "&", 9, BINARY, LEFT_TO_RIGHT },
  38         { "^", 10, BINARY, LEFT_TO_RIGHT },
  39         { "|", 11, BINARY, LEFT_TO_RIGHT },
  40         { "&&", 12, BINARY, LEFT_TO_RIGHT },
  41         { "^^", 13, BINARY, LEFT_TO_RIGHT },
  42         { "||", 14, BINARY, LEFT_TO_RIGHT },
  43         { "?", 15, BINARY, RIGHT_TO_LEFT },
  44         { ":", 15, BINARY, RIGHT_TO_LEFT },
  45         { "=", 16, BINARY, RIGHT_TO_LEFT },
  46         { "+=", 16, BINARY, RIGHT_TO_LEFT },
  47         { "-=", 16, BINARY, RIGHT_TO_LEFT },
  48         { "*=", 16, BINARY, RIGHT_TO_LEFT },
  49         { "/=", 16, BINARY, RIGHT_TO_LEFT },
  50         { "%=", 16, BINARY, RIGHT_TO_LEFT },
  51         { "<<=", 16, BINARY, RIGHT_TO_LEFT },
  52         { ">>=", 16, BINARY, RIGHT_TO_LEFT },
  53         { "&=", 16, BINARY, RIGHT_TO_LEFT },
  54         { "^=", 16, BINARY, RIGHT_TO_LEFT },
  55         { "|=", 16, BINARY, RIGHT_TO_LEFT },
  56         { ",", 17, BINARY, LEFT_TO_RIGHT },
  57         { { 0 }, 18, NO_OPERATOR, LEFT_TO_RIGHT }
  58 };
  59
  60 const Operator &Operator::get_operator(const string &token, Type type)
  61 {
  62         for(const Operator *i=operators; i->type; ++i)
  63                 if(i->type==type && i->token==token)
  64                         return *i;
  65         throw key_error(token);
  66 }
  67
  68
  69 template<typename C>
  70 NodeContainer<C>::NodeContainer(const NodeContainer &c):
  71         C(c)
  72 {
  73         for(typename C::iterator i=this->begin(); i!=this->end(); ++i)
  74                 *i = (*i)->clone();
  75 }
  76
  77
  78 Statement::Statement():
  79         source(GENERATED_SOURCE),
  80         line(1)
  81 { }
  82
  83
  84 Block::Block():
  85         use_braces(false),
  86         parent(0)
  87 { }
  88
  89 Block::Block(const Block &other):
  90         Node(other),
  91         body(other.body),
  92         use_braces(other.use_braces),
  93         parent(0)
  94 { }
  95
  96 void Block::visit(NodeVisitor &visitor)
  97 {
  98         visitor.visit(*this);
  99 }
 100
 101
 102 Expression::Expression():
 103         oper(0)
 104 { }
 105
 106
 107 void Literal::visit(NodeVisitor &visitor)
 108 {
 109         visitor.visit(*this);
 110 }
 111
 112
 113 void ParenthesizedExpression::visit(NodeVisitor &visitor)
 114 {
 115         visitor.visit(*this);
 116 }
 117
 118
 119 VariableReference::VariableReference():
 120         declaration(0)
 121 { }
 122
 123 VariableReference::VariableReference(const VariableReference &other):
 124         Expression(other),
 125         name(other.name),
 126         declaration(0)
 127 { }
 128
 129 void VariableReference::visit(NodeVisitor &visitor)
 130 {
 131         visitor.visit(*this);
 132 }
 133
 134
 135 InterfaceBlockReference::InterfaceBlockReference():
 136         declaration(0)
 137 { }
 138
 139 InterfaceBlockReference::InterfaceBlockReference(const InterfaceBlockReference &other):
 140         Expression(other),
 141         name(other.name),
 142         declaration(0)
 143 { }
 144
 145 void InterfaceBlockReference::visit(NodeVisitor &visitor)
 146 {
 147         visitor.visit(*this);
 148 }
 149
 150
 151 MemberAccess::MemberAccess():
 152         declaration(0)
 153 { }
 154
 155 MemberAccess::MemberAccess(const MemberAccess &other):
 156         Expression(other),
 157         left(other.left),
 158         member(other.member),
 159         declaration(0)
 160 { }
 161
 162 void MemberAccess::visit(NodeVisitor &visitor)
 163 {
 164         visitor.visit(*this);
 165 }
 166
 167
 168 void UnaryExpression::visit(NodeVisitor &visitor)
 169 {
 170         visitor.visit(*this);
 171 }
 172
 173
 174 void BinaryExpression::visit(NodeVisitor &visitor)
 175 {
 176         visitor.visit(*this);
 177 }
 178
 179
 180 Assignment::Assignment():
 181         self_referencing(false),
 182         target_declaration(0)
 183 { }
 184
 185 Assignment::Assignment(const Assignment &other):
 186         BinaryExpression(other),
 187         self_referencing(other.self_referencing),
 188         target_declaration(0)
 189 { }
 190
 191 void Assignment::visit(NodeVisitor &visitor)
 192 {
 193         visitor.visit(*this);
 194 }
 195
 196
 197 FunctionCall::FunctionCall():
 198         constructor(false),
 199         declaration(0)
 200 { }
 201
 202 FunctionCall::FunctionCall(const FunctionCall &other):
 203         Expression(other),
 204         name(other.name),
 205         constructor(other.constructor),
 206         arguments(other.arguments),
 207         declaration(0)
 208 { }
 209
 210 void FunctionCall::visit(NodeVisitor &visitor)
 211 {
 212         visitor.visit(*this);
 213 }
 214
 215
 216 void ExpressionStatement::visit(NodeVisitor &visitor)
 217 {
 218         visitor.visit(*this);
 219 }
 220
 221
 222 void Import::visit(NodeVisitor &visitor)
 223 {
 224         visitor.visit(*this);
 225 }
 226
 227
 228 void Precision::visit(NodeVisitor &visitor)
 229 {
 230         visitor.visit(*this);
 231 }
 232
 233
 234 void Layout::visit(NodeVisitor &visitor)
 235 {
 236         visitor.visit(*this);
 237 }
 238
 239
 240 void InterfaceLayout::visit(NodeVisitor &visitor)
 241 {
 242         visitor.visit(*this);
 243 }
 244
 245
 246 StructDeclaration::StructDeclaration()
 247 {
 248         members.use_braces = true;
 249 }
 250
 251 void StructDeclaration::visit(NodeVisitor &visitor)
 252 {
 253         visitor.visit(*this);
 254 }
 255
 256
 257 VariableDeclaration::VariableDeclaration():
 258         constant(false),
 259         array(false),
 260         type_declaration(0),
 261         linked_declaration(0)
 262 { }
 263
 264 VariableDeclaration::VariableDeclaration(const VariableDeclaration &other):
 265         Statement(other),
 266         layout(other.layout),
 267         constant(other.constant),
 268         sampling(other.sampling),
 269         interpolation(other.interpolation),
 270         interface(other.interface),
 271         precision(other.precision),
 272         type(other.type),
 273         name(other.name),
 274         array(other.array),
 275         array_size(other.array_size),
 276         init_expression(other.init_expression),
 277         type_declaration(0),
 278         linked_declaration(0)
 279 { }
 280
 281 VariableDeclaration::~VariableDeclaration()
 282 {
 283         if(linked_declaration && linked_declaration->linked_declaration==this)
 284                 linked_declaration->linked_declaration = 0;
 285 }
 286
 287 void VariableDeclaration::visit(NodeVisitor &visitor)
 288 {
 289         visitor.visit(*this);
 290 }
 291
 292
 293 InterfaceBlock::InterfaceBlock():
 294         array(false),
 295         linked_block(0)
 296 {
 297         members.use_braces = true;
 298 }
 299
 300 InterfaceBlock::InterfaceBlock(const InterfaceBlock &other):
 301         Statement(other),
 302         interface(other.interface),
 303         name(other.name),
 304         members(other.members),
 305         instance_name(other.instance_name),
 306         array(other.array),
 307         linked_block(0)
 308 { }
 309
 310 InterfaceBlock::~InterfaceBlock()
 311 {
 312         if(linked_block && linked_block->linked_block==this)
 313                 linked_block->linked_block = 0;
 314 }
 315
 316 void InterfaceBlock::visit(NodeVisitor &visitor)
 317 {
 318         visitor.visit(*this);
 319 }
 320
 321
 322 FunctionDeclaration::FunctionDeclaration():
 323         definition(0)
 324 { }
 325
 326 FunctionDeclaration::FunctionDeclaration(const FunctionDeclaration &other):
 327         Statement(other),
 328         return_type(other.return_type),
 329         name(other.name),
 330         parameters(other.parameters),
 331         body(other.body),
 332         definition(other.definition==&other ? this : 0)
 333 { }
 334
 335 void FunctionDeclaration::visit(NodeVisitor &visitor)
 336 {
 337         visitor.visit(*this);
 338 }
 339
 340
 341 void Conditional::visit(NodeVisitor &visitor)
 342 {
 343         visitor.visit(*this);
 344 }
 345
 346
 347 void Iteration::visit(NodeVisitor &visitor)
 348 {
 349         visitor.visit(*this);
 350 }
 351
 352
 353 void Passthrough::visit(NodeVisitor &visitor)
 354 {
 355         visitor.visit(*this);
 356 }
 357
 358
 359 void Return::visit(NodeVisitor &visitor)
 360 {
 361         visitor.visit(*this);
 362 }
 363
 364
 365 void Jump::visit(NodeVisitor &visitor)
 366 {
 367         visitor.visit(*this);
 368 }
 369
 370
 371 Stage::Stage(Stage::Type t):
 372         type(t),
 373         previous(0)
 374 { }
 375
 376 const char *Stage::get_stage_name(Type type)
 377 {
 378         static const char *names[] = { "shared", "vertex", "geometry", "fragment" };
 379         return names[type];
 380 }
 381
 382
 383 Module::Module():
 384         shared(Stage::SHARED)
 385 { }
 386
 387 } // namespace SL
 388 } // namespace GL
 389 } // namespace Msp