OpenGL® Shading Language, Second Edition

Appendix A. Language Grammar

The grammar is fed from the output of lexical analysis. The tokens returned from lexical analysis are

ATTRIBUTE CONST BOOL FLOAT INT BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 VEC2 VEC3 VEC4 MAT2 MAT3 MAT4 IN OUT INOUT UNIFORM VARYING SAMPLER1D SAMPLER2D SAMPLER3D SAMPLERCUBE SAMPLER1DSHADOW SAMPLER2DSHADOW STRUCT VOID WHILE IDENTIFIER TYPE_NAME FLOATCONSTANT INTCONSTANT BOOLCONSTANT FIELD_SELECTION LEFT_OP RIGHT_OP INC_OP DEC_OP LE_OP GE_OP EQ_OP NE_OP AND_OP OR_OP XOR_OP MUL_ASSIGN DIV_ASSIGN ADD_ASSIGN MOD_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN SUB_ASSIGN LEFT_PAREN RIGHT_PAREN LEFT_BRACKET RIGHT_BRACKET LEFT_BRACE RIGHT_BRACE DOT COMMA COLON EQUAL SEMICOLON ...