Add m-esr52 at 52.6.0

1 files changed, 1533 insertions, 0 deletions

diff --git a/gfx/angle/src/compiler/translator/glslang.y b/gfx/angle/src/compiler/translator/glslang.y
new file mode 100755
index 000000000..c15dd9d6e
--- /dev/null
+++ b/gfx/angle/src/compiler/translator/glslang.y
@@ -0,0 +1,1533 @@
+/*
+//
+// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+This file contains the Yacc grammar for GLSL ES.
+Based on ANSI C Yacc grammar:
+http://www.lysator.liu.se/c/ANSI-C-grammar-y.html
+
+IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh,
+WHICH GENERATES THE GLSL ES PARSER (glslang_tab.cpp AND glslang_tab.h).
+*/
+
+%{
+//
+// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// This file is auto-generated by generate_parser.sh. DO NOT EDIT!
+
+// clang-format off
+
+// Ignore errors in auto-generated code.
+#if defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wswitch-enum"
+#elif defined(_MSC_VER)
+#pragma warning(disable: 4065)
+#pragma warning(disable: 4189)
+#pragma warning(disable: 4244)
+#pragma warning(disable: 4505)
+#pragma warning(disable: 4701)
+#pragma warning(disable: 4702)
+#endif
+
+#include "angle_gl.h"
+#include "compiler/translator/Cache.h"
+#include "compiler/translator/SymbolTable.h"
+#include "compiler/translator/ParseContext.h"
+#include "GLSLANG/ShaderLang.h"
+
+#define YYENABLE_NLS 0
+
+using namespace sh;
+
+%}
+%expect 1 /* One shift reduce conflict because of if | else */
+%parse-param {TParseContext* context}
+%param   {void *scanner}
+%define api.pure full
+%locations
+
+%code requires {
+#define YYLTYPE TSourceLoc
+#define YYLTYPE_IS_DECLARED 1
+}
+
+%union {
+    struct {
+        union {
+            TString *string;
+            float f;
+            int i;
+            unsigned int u;
+            bool b;
+        };
+        TSymbol* symbol;
+    } lex;
+    struct {
+        TOperator op;
+        union {
+            TIntermNode *intermNode;
+            TIntermNodePair nodePair;
+            TIntermTyped *intermTypedNode;
+            TIntermAggregate *intermAggregate;
+            TIntermBlock *intermBlock;
+            TIntermDeclaration *intermDeclaration;
+            TIntermSwitch *intermSwitch;
+            TIntermCase *intermCase;
+        };
+        union {
+            TTypeSpecifierNonArray typeSpecifierNonArray;
+            TPublicType type;
+            TPrecision precision;
+            TLayoutQualifier layoutQualifier;
+            TQualifier qualifier;
+            TFunction *function;
+            TParameter param;
+            TField *field;
+            TFieldList *fieldList;
+            TQualifierWrapperBase *qualifierWrapper;
+            TTypeQualifierBuilder *typeQualifierBuilder;
+        };
+    } interm;
+}
+
+%{
+extern int yylex(YYSTYPE* yylval, YYLTYPE* yylloc, void* yyscanner);
+extern void yyerror(YYLTYPE* yylloc, TParseContext* context, void *scanner, const char* reason);
+
+#define YYLLOC_DEFAULT(Current, Rhs, N)                      \
+  do {                                                       \
+      if (N) {                                         \
+        (Current).first_file = YYRHSLOC(Rhs, 1).first_file;  \
+        (Current).first_line = YYRHSLOC(Rhs, 1).first_line;  \
+        (Current).last_file = YYRHSLOC(Rhs, N).last_file;    \
+        (Current).last_line = YYRHSLOC(Rhs, N).last_line;    \
+      }                                                      \
+      else {                                                 \
+        (Current).first_file = YYRHSLOC(Rhs, 0).last_file;   \
+        (Current).first_line = YYRHSLOC(Rhs, 0).last_line;   \
+        (Current).last_file = YYRHSLOC(Rhs, 0).last_file;    \
+        (Current).last_line = YYRHSLOC(Rhs, 0).last_line;    \
+      }                                                      \
+  } while (0)
+
+#define VERTEX_ONLY(S, L) {  \
+    if (context->getShaderType() != GL_VERTEX_SHADER) {  \
+        context->error(L, " supported in vertex shaders only ", S);  \
+    }  \
+}
+
+#define FRAG_ONLY(S, L) {  \
+    if (context->getShaderType() != GL_FRAGMENT_SHADER) {  \
+        context->error(L, " supported in fragment shaders only ", S);  \
+    }  \
+}
+
+#define COMPUTE_ONLY(S, L) {  \
+    if (context->getShaderType() != GL_COMPUTE_SHADER) {  \
+        context->error(L, " supported in compute shaders only ", S);  \
+    }  \
+}
+
+#define NON_COMPUTE_ONLY(S, L) {  \
+    if (context->getShaderType() != GL_VERTEX_SHADER && context->getShaderType() != GL_FRAGMENT_SHADER) {  \
+        context->error(L, " supported in vertex and fragment shaders only ", S);  \
+    }  \
+}
+
+#define ES2_ONLY(S, L) {  \
+    if (context->getShaderVersion() != 100) {  \
+        context->error(L, " supported in GLSL ES 1.00 only ", S);  \
+    }  \
+}
+
+#define ES3_OR_NEWER(TOKEN, LINE, REASON) {  \
+    if (context->getShaderVersion() < 300) {  \
+        context->error(LINE, REASON " supported in GLSL ES 3.00 and above only ", TOKEN);  \
+    }  \
+}
+
+#define ES3_1_ONLY(TOKEN, LINE, REASON) {  \
+    if (context->getShaderVersion() != 310) {  \
+        context->error(LINE, REASON " supported in GLSL ES 3.10 only ", TOKEN);  \
+    }  \
+}
+%}
+
+%token <lex> INVARIANT HIGH_PRECISION MEDIUM_PRECISION LOW_PRECISION PRECISION
+%token <lex> ATTRIBUTE CONST_QUAL BOOL_TYPE FLOAT_TYPE INT_TYPE UINT_TYPE
+%token <lex> BREAK CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT
+%token <lex> BVEC2 BVEC3 BVEC4 IVEC2 IVEC3 IVEC4 VEC2 VEC3 VEC4 UVEC2 UVEC3 UVEC4
+%token <lex> MATRIX2 MATRIX3 MATRIX4 IN_QUAL OUT_QUAL INOUT_QUAL UNIFORM VARYING
+%token <lex> MATRIX2x3 MATRIX3x2 MATRIX2x4 MATRIX4x2 MATRIX3x4 MATRIX4x3
+%token <lex> CENTROID FLAT SMOOTH
+%token <lex> READONLY WRITEONLY COHERENT RESTRICT VOLATILE
+%token <lex> STRUCT VOID_TYPE WHILE
+%token <lex> SAMPLER2D SAMPLERCUBE SAMPLER_EXTERNAL_OES SAMPLER2DRECT SAMPLER2DARRAY
+%token <lex> ISAMPLER2D ISAMPLER3D ISAMPLERCUBE ISAMPLER2DARRAY
+%token <lex> USAMPLER2D USAMPLER3D USAMPLERCUBE USAMPLER2DARRAY
+%token <lex> SAMPLER3D SAMPLER3DRECT SAMPLER2DSHADOW SAMPLERCUBESHADOW SAMPLER2DARRAYSHADOW
+%token <lex> IMAGE2D IIMAGE2D UIMAGE2D IMAGE3D IIMAGE3D UIMAGE3D IMAGE2DARRAY IIMAGE2DARRAY UIMAGE2DARRAY
+%token <lex> IMAGECUBE IIMAGECUBE UIMAGECUBE
+%token <lex> LAYOUT
+
+%token <lex> IDENTIFIER TYPE_NAME FLOATCONSTANT INTCONSTANT UINTCONSTANT BOOLCONSTANT
+%token <lex> FIELD_SELECTION
+%token <lex> LEFT_OP RIGHT_OP
+%token <lex> INC_OP DEC_OP LE_OP GE_OP EQ_OP NE_OP
+%token <lex> AND_OP OR_OP XOR_OP MUL_ASSIGN DIV_ASSIGN ADD_ASSIGN
+%token <lex> MOD_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN
+%token <lex> SUB_ASSIGN
+
+%token <lex> LEFT_PAREN RIGHT_PAREN LEFT_BRACKET RIGHT_BRACKET LEFT_BRACE RIGHT_BRACE DOT
+%token <lex> COMMA COLON EQUAL SEMICOLON BANG DASH TILDE PLUS STAR SLASH PERCENT
+%token <lex> LEFT_ANGLE RIGHT_ANGLE VERTICAL_BAR CARET AMPERSAND QUESTION
+
+%type <lex> identifier
+%type <interm> assignment_operator unary_operator
+%type <interm.intermTypedNode> variable_identifier primary_expression postfix_expression
+%type <interm.intermTypedNode> expression integer_expression assignment_expression
+%type <interm.intermTypedNode> unary_expression multiplicative_expression additive_expression
+%type <interm.intermTypedNode> relational_expression equality_expression
+%type <interm.intermTypedNode> conditional_expression constant_expression
+%type <interm.intermTypedNode> logical_or_expression logical_xor_expression logical_and_expression
+%type <interm.intermTypedNode> shift_expression and_expression exclusive_or_expression inclusive_or_expression
+%type <interm.intermTypedNode> function_call initializer condition conditionopt
+
+%type <interm.intermBlock> translation_unit
+%type <interm.intermNode> function_definition statement simple_statement
+%type <interm.intermBlock> statement_list compound_statement compound_statement_no_new_scope
+%type <interm.intermNode> declaration_statement selection_statement expression_statement
+%type <interm.intermNode> declaration external_declaration
+%type <interm.intermNode> for_init_statement
+%type <interm.nodePair> selection_rest_statement for_rest_statement
+%type <interm.intermSwitch> switch_statement
+%type <interm.intermCase> case_label
+%type <interm.intermNode> iteration_statement jump_statement statement_no_new_scope statement_with_scope
+%type <interm> single_declaration init_declarator_list
+
+%type <interm> parameter_declaration parameter_declarator parameter_type_specifier
+%type <interm.layoutQualifier> layout_qualifier_id_list layout_qualifier_id
+
+%type <interm.type> fully_specified_type type_specifier
+
+%type <interm.precision> precision_qualifier
+%type <interm.layoutQualifier> layout_qualifier
+%type <interm.qualifier> interpolation_qualifier
+%type <interm.qualifierWrapper> storage_qualifier single_type_qualifier invariant_qualifier
+%type <interm.typeQualifierBuilder> type_qualifier
+
+%type <interm.typeSpecifierNonArray> type_specifier_nonarray struct_specifier
+%type <interm.type> type_specifier_no_prec
+%type <interm.field> struct_declarator
+%type <interm.fieldList> struct_declarator_list struct_declaration struct_declaration_list
+%type <interm.function> function_header function_declarator function_identifier
+%type <interm.function> function_header_with_parameters function_call_header
+%type <interm> function_call_header_with_parameters function_call_header_no_parameters function_call_generic function_prototype
+%type <interm> function_call_or_method
+
+%type <lex> enter_struct
+
+%start translation_unit
+%%
+
+identifier
+    : IDENTIFIER
+    | TYPE_NAME
+
+variable_identifier
+    : IDENTIFIER {
+        // The symbol table search was done in the lexical phase
+        $$ = context->parseVariableIdentifier(@1, $1.string, $1.symbol);
+
+        // don't delete $1.string, it's used by error recovery, and the pool
+        // pop will reclaim the memory
+    }
+    ;
+
+primary_expression
+    : variable_identifier {
+        $$ = $1;
+    }
+    | INTCONSTANT {
+        TConstantUnion *unionArray = new TConstantUnion[1];
+        unionArray->setIConst($1.i);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), @1);
+    }
+    | UINTCONSTANT {
+        TConstantUnion *unionArray = new TConstantUnion[1];
+        unionArray->setUConst($1.u);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtUInt, EbpUndefined, EvqConst), @1);
+    }
+    | FLOATCONSTANT {
+        TConstantUnion *unionArray = new TConstantUnion[1];
+        unionArray->setFConst($1.f);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), @1);
+    }
+    | BOOLCONSTANT {
+        TConstantUnion *unionArray = new TConstantUnion[1];
+        unionArray->setBConst($1.b);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @1);
+    }
+    | LEFT_PAREN expression RIGHT_PAREN {
+        $$ = $2;
+    }
+    ;
+
+postfix_expression
+    : primary_expression {
+        $$ = $1;
+    }
+    | postfix_expression LEFT_BRACKET integer_expression RIGHT_BRACKET {
+        $$ = context->addIndexExpression($1, @2, $3);
+    }
+    | function_call {
+        $$ = $1;
+    }
+    | postfix_expression DOT FIELD_SELECTION {
+        $$ = context->addFieldSelectionExpression($1, @2, *$3.string, @3);
+    }
+    | postfix_expression INC_OP {
+        $$ = context->addUnaryMathLValue(EOpPostIncrement, $1, @2);
+    }
+    | postfix_expression DEC_OP {
+        $$ = context->addUnaryMathLValue(EOpPostDecrement, $1, @2);
+    }
+    ;
+
+integer_expression
+    : expression {
+        context->checkIsScalarInteger($1, "[]");
+        $$ = $1;
+    }
+    ;
+
+function_call
+    : function_call_or_method {
+        bool fatalError = false;
+        $$ = context->addFunctionCallOrMethod($1.function, $1.nodePair.node1, $1.nodePair.node2, @1, &fatalError);
+        if (fatalError)
+        {
+            YYERROR;
+        }
+    }
+    ;
+
+function_call_or_method
+    : function_call_generic {
+        $$ = $1;
+        $$.nodePair.node2 = nullptr;
+    }
+    | postfix_expression DOT function_call_generic {
+        ES3_OR_NEWER("", @3, "methods");
+        $$ = $3;
+        $$.nodePair.node2 = $1;
+    }
+    ;
+
+function_call_generic
+    : function_call_header_with_parameters RIGHT_PAREN {
+        $$ = $1;
+    }
+    | function_call_header_no_parameters RIGHT_PAREN {
+        $$ = $1;
+    }
+    ;
+
+function_call_header_no_parameters
+    : function_call_header VOID_TYPE {
+        $$.function = $1;
+        $$.nodePair.node1 = nullptr;
+    }
+    | function_call_header {
+        $$.function = $1;
+        $$.nodePair.node1 = nullptr;
+    }
+    ;
+
+function_call_header_with_parameters
+    : function_call_header assignment_expression {
+        const TType *type = new TType($2->getType());
+        $1->addParameter(TConstParameter(type));
+        $$.function = $1;
+        $$.nodePair.node1 = TIntermediate::MakeAggregate($2, @2);
+    }
+    | function_call_header_with_parameters COMMA assignment_expression {
+        const TType *type = new TType($3->getType());
+        $1.function->addParameter(TConstParameter(type));
+        $$.function = $1.function;
+        $$.nodePair.node1 = context->intermediate.growAggregate($1.intermNode, $3, @2);
+    }
+    ;
+
+function_call_header
+    : function_identifier LEFT_PAREN {
+        $$ = $1;
+    }
+    ;
+
+// Grammar Note:  Constructors look like functions, but are recognized as types.
+
+function_identifier
+    : type_specifier_no_prec {
+        if ($1.array) {
+            ES3_OR_NEWER("[]", @1, "array constructor");
+        }
+        $$ = context->addConstructorFunc($1);
+    }
+    | IDENTIFIER {
+        context->checkIsNotReserved(@1, *$1.string);
+        const TType *type = TCache::getType(EbtVoid, EbpUndefined);
+        TFunction *function = new TFunction($1.string, type);
+        $$ = function;
+    }
+    | FIELD_SELECTION {
+        context->checkIsNotReserved(@1, *$1.string);
+        const TType *type = TCache::getType(EbtVoid, EbpUndefined);
+        TFunction *function = new TFunction($1.string, type);
+        $$ = function;
+    }
+    ;
+
+unary_expression
+    : postfix_expression {
+        $$ = $1;
+    }
+    | INC_OP unary_expression {
+        $$ = context->addUnaryMathLValue(EOpPreIncrement, $2, @1);
+    }
+    | DEC_OP unary_expression {
+        $$ = context->addUnaryMathLValue(EOpPreDecrement, $2, @1);
+    }
+    | unary_operator unary_expression {
+        if ($1.op != EOpNull) {
+            $$ = context->addUnaryMath($1.op, $2, @1);
+        } else
+            $$ = $2;
+    }
+    ;
+// Grammar Note:  No traditional style type casts.
+
+unary_operator
+    : PLUS  { $$.op = EOpPositive; }
+    | DASH  { $$.op = EOpNegative; }
+    | BANG  { $$.op = EOpLogicalNot; }
+    | TILDE {
+        ES3_OR_NEWER("~", @$, "bit-wise operator");
+        $$.op = EOpBitwiseNot;
+    }
+    ;
+// Grammar Note:  No '*' or '&' unary ops.  Pointers are not supported.
+
+multiplicative_expression
+    : unary_expression { $$ = $1; }
+    | multiplicative_expression STAR unary_expression {
+        $$ = context->addBinaryMath(EOpMul, $1, $3, @2);
+    }
+    | multiplicative_expression SLASH unary_expression {
+        $$ = context->addBinaryMath(EOpDiv, $1, $3, @2);
+    }
+    | multiplicative_expression PERCENT unary_expression {
+        ES3_OR_NEWER("%", @2, "integer modulus operator");
+        $$ = context->addBinaryMath(EOpIMod, $1, $3, @2);
+    }
+    ;
+
+additive_expression
+    : multiplicative_expression { $$ = $1; }
+    | additive_expression PLUS multiplicative_expression {
+        $$ = context->addBinaryMath(EOpAdd, $1, $3, @2);
+    }
+    | additive_expression DASH multiplicative_expression {
+        $$ = context->addBinaryMath(EOpSub, $1, $3, @2);
+    }
+    ;
+
+shift_expression
+    : additive_expression { $$ = $1; }
+    | shift_expression LEFT_OP additive_expression {
+        ES3_OR_NEWER("<<", @2, "bit-wise operator");
+        $$ = context->addBinaryMath(EOpBitShiftLeft, $1, $3, @2);
+    }
+    | shift_expression RIGHT_OP additive_expression {
+        ES3_OR_NEWER(">>", @2, "bit-wise operator");
+        $$ = context->addBinaryMath(EOpBitShiftRight, $1, $3, @2);
+    }
+    ;
+
+relational_expression
+    : shift_expression { $$ = $1; }
+    | relational_expression LEFT_ANGLE shift_expression {
+        $$ = context->addBinaryMathBooleanResult(EOpLessThan, $1, $3, @2);
+    }
+    | relational_expression RIGHT_ANGLE shift_expression  {
+        $$ = context->addBinaryMathBooleanResult(EOpGreaterThan, $1, $3, @2);
+    }
+    | relational_expression LE_OP shift_expression  {
+        $$ = context->addBinaryMathBooleanResult(EOpLessThanEqual, $1, $3, @2);
+    }
+    | relational_expression GE_OP shift_expression  {
+        $$ = context->addBinaryMathBooleanResult(EOpGreaterThanEqual, $1, $3, @2);
+    }
+    ;
+
+equality_expression
+    : relational_expression { $$ = $1; }
+    | equality_expression EQ_OP relational_expression  {
+        $$ = context->addBinaryMathBooleanResult(EOpEqual, $1, $3, @2);
+    }
+    | equality_expression NE_OP relational_expression {
+        $$ = context->addBinaryMathBooleanResult(EOpNotEqual, $1, $3, @2);
+    }
+    ;
+
+and_expression
+    : equality_expression { $$ = $1; }
+    | and_expression AMPERSAND equality_expression {
+        ES3_OR_NEWER("&", @2, "bit-wise operator");
+        $$ = context->addBinaryMath(EOpBitwiseAnd, $1, $3, @2);
+    }
+    ;
+
+exclusive_or_expression
+    : and_expression { $$ = $1; }
+    | exclusive_or_expression CARET and_expression {
+        ES3_OR_NEWER("^", @2, "bit-wise operator");
+        $$ = context->addBinaryMath(EOpBitwiseXor, $1, $3, @2);
+    }
+    ;
+
+inclusive_or_expression
+    : exclusive_or_expression { $$ = $1; }
+    | inclusive_or_expression VERTICAL_BAR exclusive_or_expression {
+        ES3_OR_NEWER("|", @2, "bit-wise operator");
+        $$ = context->addBinaryMath(EOpBitwiseOr, $1, $3, @2);
+    }
+    ;
+
+logical_and_expression
+    : inclusive_or_expression { $$ = $1; }
+    | logical_and_expression AND_OP inclusive_or_expression {
+        $$ = context->addBinaryMathBooleanResult(EOpLogicalAnd, $1, $3, @2);
+    }
+    ;
+
+logical_xor_expression
+    : logical_and_expression { $$ = $1; }
+    | logical_xor_expression XOR_OP logical_and_expression  {
+        $$ = context->addBinaryMathBooleanResult(EOpLogicalXor, $1, $3, @2);
+    }
+    ;
+
+logical_or_expression
+    : logical_xor_expression { $$ = $1; }
+    | logical_or_expression OR_OP logical_xor_expression  {
+        $$ = context->addBinaryMathBooleanResult(EOpLogicalOr, $1, $3, @2);
+    }
+    ;
+
+conditional_expression
+    : logical_or_expression { $$ = $1; }
+    | logical_or_expression QUESTION expression COLON assignment_expression {
+        $$ = context->addTernarySelection($1, $3, $5, @2);
+    }
+    ;
+
+assignment_expression
+    : conditional_expression { $$ = $1; }
+    | unary_expression assignment_operator assignment_expression {
+        context->checkCanBeLValue(@2, "assign", $1);
+        $$ = context->addAssign($2.op, $1, $3, @2);
+    }
+    ;
+
+assignment_operator
+    : EQUAL        { $$.op = EOpAssign; }
+    | MUL_ASSIGN   { $$.op = EOpMulAssign; }
+    | DIV_ASSIGN   { $$.op = EOpDivAssign; }
+    | MOD_ASSIGN   {
+        ES3_OR_NEWER("%=", @$, "integer modulus operator");
+        $$.op = EOpIModAssign;
+    }
+    | ADD_ASSIGN   { $$.op = EOpAddAssign; }
+    | SUB_ASSIGN   { $$.op = EOpSubAssign; }
+    | LEFT_ASSIGN {
+        ES3_OR_NEWER("<<=", @$, "bit-wise operator");
+        $$.op = EOpBitShiftLeftAssign;
+    }
+    | RIGHT_ASSIGN {
+        ES3_OR_NEWER(">>=", @$, "bit-wise operator");
+        $$.op = EOpBitShiftRightAssign;
+    }
+    | AND_ASSIGN {
+        ES3_OR_NEWER("&=", @$, "bit-wise operator");
+        $$.op = EOpBitwiseAndAssign;
+    }
+    | XOR_ASSIGN {
+        ES3_OR_NEWER("^=", @$, "bit-wise operator");
+        $$.op = EOpBitwiseXorAssign;
+    }
+    | OR_ASSIGN {
+        ES3_OR_NEWER("|=", @$, "bit-wise operator");
+        $$.op = EOpBitwiseOrAssign;
+    }
+    ;
+
+expression
+    : assignment_expression {
+        $$ = $1;
+    }
+    | expression COMMA assignment_expression {
+        $$ = context->addComma($1, $3, @2);
+    }
+    ;
+
+constant_expression
+    : conditional_expression {
+        context->checkIsConst($1);
+        $$ = $1;
+    }
+    ;
+
+enter_struct
+    : IDENTIFIER LEFT_BRACE {
+        context->enterStructDeclaration(@1, *$1.string);
+        $$ = $1;
+    }
+    ;
+
+declaration
+    : function_prototype SEMICOLON {
+        $$ = context->addFunctionPrototypeDeclaration(*($1.function), @1);
+    }
+    | init_declarator_list SEMICOLON {
+        $$ = $1.intermDeclaration;
+    }
+    | PRECISION precision_qualifier type_specifier_no_prec SEMICOLON {
+        if (($2 == EbpHigh) && (context->getShaderType() == GL_FRAGMENT_SHADER) && !context->getFragmentPrecisionHigh()) {
+            context->error(@1, "precision is not supported in fragment shader", "highp");
+        }
+        if (!context->symbolTable.setDefaultPrecision( $3, $2 )) {
+            context->error(@1, "illegal type argument for default precision qualifier", getBasicString($3.getBasicType()));
+        }
+        $$ = 0;
+    }
+    | type_qualifier enter_struct struct_declaration_list RIGHT_BRACE SEMICOLON {
+        ES3_OR_NEWER($2.string->c_str(), @1, "interface blocks");
+        $$ = context->addInterfaceBlock(*$1, @2, *$2.string, $3, NULL, @$, NULL, @$);
+    }
+    | type_qualifier enter_struct struct_declaration_list RIGHT_BRACE IDENTIFIER SEMICOLON {
+        ES3_OR_NEWER($2.string->c_str(), @1, "interface blocks");
+        $$ = context->addInterfaceBlock(*$1, @2, *$2.string, $3, $5.string, @5, NULL, @$);
+    }
+    | type_qualifier enter_struct struct_declaration_list RIGHT_BRACE IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET SEMICOLON {
+        ES3_OR_NEWER($2.string->c_str(), @1, "interface blocks");
+        $$ = context->addInterfaceBlock(*$1, @2, *$2.string, $3, $5.string, @5, $7, @6);
+    }
+    | type_qualifier SEMICOLON {
+        context->parseGlobalLayoutQualifier(*$1);
+        $$ = 0;
+    }
+    | type_qualifier IDENTIFIER SEMICOLON // e.g. to qualify an existing variable as invariant
+    {
+        $$ = context->parseInvariantDeclaration(*$1, @2, $2.string, $2.symbol);
+    }
+    ;
+
+function_prototype
+    : function_declarator RIGHT_PAREN  {
+        $$.function = context->parseFunctionDeclarator(@2, $1);
+        context->exitFunctionDeclaration();
+    }
+    ;
+
+function_declarator
+    : function_header {
+        $$ = $1;
+    }
+    | function_header_with_parameters {
+        $$ = $1;
+    }
+    ;
+
+
+function_header_with_parameters
+    : function_header parameter_declaration {
+        // Add the parameter
+        $$ = $1;
+        if ($2.param.type->getBasicType() != EbtVoid)
+            $1->addParameter($2.param.turnToConst());
+        else
+            delete $2.param.type;
+    }
+    | function_header_with_parameters COMMA parameter_declaration {
+        //
+        // Only first parameter of one-parameter functions can be void
+        // The check for named parameters not being void is done in parameter_declarator
+        //
+        if ($3.param.type->getBasicType() == EbtVoid) {
+            //
+            // This parameter > first is void
+            //
+            context->error(@2, "cannot be an argument type except for '(void)'", "void");
+            delete $3.param.type;
+        } else {
+            // Add the parameter
+            $$ = $1;
+            $1->addParameter($3.param.turnToConst());
+        }
+    }
+    ;
+
+function_header
+    : fully_specified_type IDENTIFIER LEFT_PAREN {
+        $$ = context->parseFunctionHeader($1, $2.string, @2);
+
+        context->symbolTable.push();
+        context->enterFunctionDeclaration();
+    }
+    ;
+
+parameter_declarator
+    // Type + name
+    : type_specifier identifier {
+        if ($1.getBasicType() == EbtVoid) {
+            context->error(@2, "illegal use of type 'void'", $2.string->c_str());
+        }
+        context->checkIsNotReserved(@2, *$2.string);
+        TParameter param = {$2.string, new TType($1)};
+        $$.param = param;
+    }
+    | type_specifier identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
+        // Check that we can make an array out of this type
+        context->checkIsValidTypeForArray(@3, $1);
+
+        context->checkIsNotReserved(@2, *$2.string);
+
+        unsigned int size = context->checkIsValidArraySize(@3, $4);
+
+        $1.setArraySize(size);
+
+        TType* type = new TType($1);
+        TParameter param = { $2.string, type };
+        $$.param = param;
+    }
+    ;
+
+parameter_declaration
+    //
+    // The only parameter qualifier a parameter can have are
+    // IN_QUAL, OUT_QUAL, INOUT_QUAL, or CONST.
+    //
+
+    //
+    // Type + name
+    //
+    : type_qualifier parameter_declarator {
+        $$ = $2;
+        context->checkIsParameterQualifierValid(@2, *$1, $2.param.type);
+    }
+    | parameter_declarator {
+        $$ = $1;
+        $$.param.type->setQualifier(EvqIn);
+    }
+    | type_qualifier parameter_type_specifier {
+        $$ = $2;
+        context->checkIsParameterQualifierValid(@2, *$1, $2.param.type);
+    }
+    | parameter_type_specifier {
+        $$ = $1;
+        $$.param.type->setQualifier(EvqIn);
+    }
+    ;
+
+parameter_type_specifier
+    : type_specifier {
+        TParameter param = { 0, new TType($1) };
+        $$.param = param;
+    }
+    ;
+
+init_declarator_list
+    : single_declaration {
+        $$ = $1;
+    }
+    | init_declarator_list COMMA identifier {
+        $$ = $1;
+        context->parseDeclarator($$.type, @3, *$3.string, $$.intermDeclaration);
+    }
+    | init_declarator_list COMMA identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
+        $$ = $1;
+        context->parseArrayDeclarator($$.type, @3, *$3.string, @4, $5, $$.intermDeclaration);
+    }
+    | init_declarator_list COMMA identifier LEFT_BRACKET RIGHT_BRACKET EQUAL initializer {
+        ES3_OR_NEWER("[]", @3, "implicitly sized array");
+        $$ = $1;
+        context->parseArrayInitDeclarator($$.type, @3, *$3.string, @4, nullptr, @6, $7, $$.intermDeclaration);
+    }
+    | init_declarator_list COMMA identifier LEFT_BRACKET constant_expression RIGHT_BRACKET EQUAL initializer {
+        ES3_OR_NEWER("=", @7, "first-class arrays (array initializer)");
+        $$ = $1;
+        context->parseArrayInitDeclarator($$.type, @3, *$3.string, @4, $5, @7, $8, $$.intermDeclaration);
+    }
+    | init_declarator_list COMMA identifier EQUAL initializer {
+        $$ = $1;
+        context->parseInitDeclarator($$.type, @3, *$3.string, @4, $5, $$.intermDeclaration);
+    }
+    ;
+
+single_declaration
+    : fully_specified_type {
+        $$.type = $1;
+        $$.intermDeclaration = context->parseSingleDeclaration($$.type, @1, "");
+    }
+    | fully_specified_type identifier {
+        $$.type = $1;
+        $$.intermDeclaration = context->parseSingleDeclaration($$.type, @2, *$2.string);
+    }
+    | fully_specified_type identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
+        $$.type = $1;
+        $$.intermDeclaration = context->parseSingleArrayDeclaration($$.type, @2, *$2.string, @3, $4);
+    }
+    | fully_specified_type identifier LEFT_BRACKET RIGHT_BRACKET EQUAL initializer {
+        ES3_OR_NEWER("[]", @3, "implicitly sized array");
+        $$.type = $1;
+        $$.intermDeclaration = context->parseSingleArrayInitDeclaration($$.type, @2, *$2.string, @3, nullptr, @5, $6);
+    }
+    | fully_specified_type identifier LEFT_BRACKET constant_expression RIGHT_BRACKET EQUAL initializer {
+        ES3_OR_NEWER("=", @6, "first-class arrays (array initializer)");
+        $$.type = $1;
+        $$.intermDeclaration = context->parseSingleArrayInitDeclaration($$.type, @2, *$2.string, @3, $4, @6, $7);
+    }
+    | fully_specified_type identifier EQUAL initializer {
+        $$.type = $1;
+        $$.intermDeclaration = context->parseSingleInitDeclaration($$.type, @2, *$2.string, @3, $4);
+    }
+    ;
+
+fully_specified_type
+    : type_specifier {
+        context->addFullySpecifiedType(&$1);
+        $$ = $1;
+    }
+    | type_qualifier type_specifier {
+        $$ = context->addFullySpecifiedType(*$1, $2);
+    }
+    ;
+
+interpolation_qualifier
+    : SMOOTH {
+        $$ = EvqSmooth;
+    }
+    | FLAT {
+        $$ = EvqFlat;
+    }
+    ;
+
+type_qualifier
+    : single_type_qualifier {
+        $$ = context->createTypeQualifierBuilder(@1);
+        $$->appendQualifier($1);
+    }
+    | type_qualifier single_type_qualifier {
+        $$ = $1;
+        $$->appendQualifier($2);
+    }
+    ;
+
+invariant_qualifier
+    : INVARIANT {
+        // empty
+    }
+    ;
+
+single_type_qualifier
+    : storage_qualifier {
+        context->checkLocalVariableConstStorageQualifier(*$1);
+        $$ = $1;
+    }
+    | layout_qualifier {
+        context->checkIsAtGlobalLevel(@1, "layout");
+        $$ = new TLayoutQualifierWrapper($1, @1);
+    }
+    | precision_qualifier {
+        $$ = new TPrecisionQualifierWrapper($1, @1);
+    }
+    | interpolation_qualifier {
+        $$ = new TInterpolationQualifierWrapper($1, @1);
+    }
+    | invariant_qualifier {
+        context->checkIsAtGlobalLevel(@1, "invariant");
+        $$ = new TInvariantQualifierWrapper(@1);
+    }
+    ;
+
+
+storage_qualifier
+    :
+    ATTRIBUTE {
+        VERTEX_ONLY("attribute", @1);
+        ES2_ONLY("attribute", @1);
+        context->checkIsAtGlobalLevel(@1, "attribute");
+        $$ = new TStorageQualifierWrapper(EvqAttribute, @1);
+    }
+    | VARYING {
+        ES2_ONLY("varying", @1);
+        context->checkIsAtGlobalLevel(@1, "varying");
+        if (context->getShaderType() == GL_VERTEX_SHADER)
+            $$ = new TStorageQualifierWrapper(EvqVaryingOut, @1);
+        else
+            $$ = new TStorageQualifierWrapper(EvqVaryingIn, @1);
+    }
+    | CONST_QUAL {
+        $$ = new TStorageQualifierWrapper(EvqConst, @1);
+    }
+    | IN_QUAL {
+        if (context->declaringFunction())
+        {
+            $$ = new TStorageQualifierWrapper(EvqIn, @1);
+        }
+        else if (context->getShaderType() == GL_FRAGMENT_SHADER)
+        {
+            ES3_OR_NEWER("in", @1, "storage qualifier");
+            $$ = new TStorageQualifierWrapper(EvqFragmentIn, @1);
+        }
+        else if (context->getShaderType() == GL_VERTEX_SHADER)
+        {
+            ES3_OR_NEWER("in", @1, "storage qualifier");
+            $$ = new TStorageQualifierWrapper(EvqVertexIn, @1);
+        }
+        else
+        {
+            $$ = new TStorageQualifierWrapper(EvqComputeIn, @1);
+        }
+    }
+    | OUT_QUAL {
+        if (context->declaringFunction())
+        {
+            $$ = new TStorageQualifierWrapper(EvqOut, @1);
+        }
+        else
+        {
+            ES3_OR_NEWER("out", @1, "storage qualifier");
+            NON_COMPUTE_ONLY("out", @1);
+            if (context->getShaderType() == GL_FRAGMENT_SHADER)
+            {
+                $$ = new TStorageQualifierWrapper(EvqFragmentOut, @1);
+            }
+            else
+            {
+                $$ = new TStorageQualifierWrapper(EvqVertexOut, @1);
+            }
+        }
+    }
+    | INOUT_QUAL {
+        if (!context->declaringFunction())
+        {
+            context->error(@1, "invalid inout qualifier", "'inout' can be only used with function parameters");
+        }
+        $$ = new TStorageQualifierWrapper(EvqInOut, @1);
+    }
+    | CENTROID {
+        ES3_OR_NEWER("centroid", @1, "storage qualifier");
+        $$ = new TStorageQualifierWrapper(EvqCentroid, @1);
+    }
+    | UNIFORM {
+        context->checkIsAtGlobalLevel(@1, "uniform");
+        $$ = new TStorageQualifierWrapper(EvqUniform, @1);
+    }
+    | READONLY {
+        $$ = new TMemoryQualifierWrapper(EvqReadOnly, @1);
+    }
+    | WRITEONLY {
+        $$ = new TMemoryQualifierWrapper(EvqWriteOnly, @1);
+    }
+    | COHERENT {
+        $$ = new TMemoryQualifierWrapper(EvqCoherent, @1);
+    }
+    | RESTRICT {
+        $$ = new TMemoryQualifierWrapper(EvqRestrict, @1);
+    }
+    | VOLATILE {
+        $$ = new TMemoryQualifierWrapper(EvqVolatile, @1);
+    }
+    ;
+
+type_specifier
+    : type_specifier_no_prec {
+        $$ = $1;
+        $$.precision = context->symbolTable.getDefaultPrecision($1.getBasicType());
+    }
+    ;
+
+precision_qualifier
+    : HIGH_PRECISION {
+        $$ = EbpHigh;
+    }
+    | MEDIUM_PRECISION {
+        $$ = EbpMedium;
+    }
+    | LOW_PRECISION  {
+        $$ = EbpLow;
+    }
+    ;
+
+layout_qualifier
+    : LAYOUT LEFT_PAREN layout_qualifier_id_list RIGHT_PAREN {
+        ES3_OR_NEWER("layout", @1, "qualifier");
+        $$ = $3;
+    }
+    ;
+
+layout_qualifier_id_list
+    : layout_qualifier_id {
+        $$ = $1;
+    }
+    | layout_qualifier_id_list COMMA layout_qualifier_id {
+        $$ = context->joinLayoutQualifiers($1, $3, @3);
+    }
+    ;
+
+layout_qualifier_id
+    : IDENTIFIER {
+        $$ = context->parseLayoutQualifier(*$1.string, @1);
+    }
+    | IDENTIFIER EQUAL INTCONSTANT {
+        $$ = context->parseLayoutQualifier(*$1.string, @1, $3.i, @3);
+    }
+    | IDENTIFIER EQUAL UINTCONSTANT {
+        $$ = context->parseLayoutQualifier(*$1.string, @1, $3.i, @3);
+    }
+    ;
+
+type_specifier_no_prec
+    : type_specifier_nonarray {
+        $$.initialize($1, (context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary));
+    }
+    | type_specifier_nonarray LEFT_BRACKET RIGHT_BRACKET {
+        ES3_OR_NEWER("[]", @2, "implicitly sized array");
+        $$.initialize($1, (context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary));
+        $$.setArraySize(0);
+    }
+    | type_specifier_nonarray LEFT_BRACKET constant_expression RIGHT_BRACKET {
+        $$.initialize($1, (context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary));
+        if (context->checkIsValidTypeForArray(@2, $$))
+        {
+            unsigned int size = context->checkIsValidArraySize(@2, $3);
+            $$.setArraySize(size);
+        }
+    }
+    ;
+
+type_specifier_nonarray
+    : VOID_TYPE {
+        $$.initialize(EbtVoid, @1);
+    }
+    | FLOAT_TYPE {
+        $$.initialize(EbtFloat, @1);
+    }
+    | INT_TYPE {
+        $$.initialize(EbtInt, @1);
+    }
+    | UINT_TYPE {
+        $$.initialize(EbtUInt, @1);
+    }
+    | BOOL_TYPE {
+        $$.initialize(EbtBool, @1);
+    }
+    | VEC2 {
+        $$.initialize(EbtFloat, @1);
+        $$.setAggregate(2);
+    }
+    | VEC3 {
+        $$.initialize(EbtFloat, @1);
+        $$.setAggregate(3);
+    }
+    | VEC4 {
+        $$.initialize(EbtFloat, @1);
+        $$.setAggregate(4);
+    }
+    | BVEC2 {
+        $$.initialize(EbtBool, @1);
+        $$.setAggregate(2);
+    }
+    | BVEC3 {
+        $$.initialize(EbtBool, @1);
+        $$.setAggregate(3);
+    }
+    | BVEC4 {
+        $$.initialize(EbtBool, @1);
+        $$.setAggregate(4);
+    }
+    | IVEC2 {
+        $$.initialize(EbtInt, @1);
+        $$.setAggregate(2);
+    }
+    | IVEC3 {
+        $$.initialize(EbtInt, @1);
+        $$.setAggregate(3);
+    }
+    | IVEC4 {
+        $$.initialize(EbtInt, @1);
+        $$.setAggregate(4);
+    }
+    | UVEC2 {
+        $$.initialize(EbtUInt, @1);
+        $$.setAggregate(2);
+    }
+    | UVEC3 {
+        $$.initialize(EbtUInt, @1);
+        $$.setAggregate(3);
+    }
+    | UVEC4 {
+        $$.initialize(EbtUInt, @1);
+        $$.setAggregate(4);
+    }
+    | MATRIX2 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(2, 2);
+    }
+    | MATRIX3 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(3, 3);
+    }
+    | MATRIX4 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(4, 4);
+    }
+    | MATRIX2x3 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(2, 3);
+    }
+    | MATRIX3x2 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(3, 2);
+    }
+    | MATRIX2x4 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(2, 4);
+    }
+    | MATRIX4x2 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(4, 2);
+    }
+    | MATRIX3x4 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(3, 4);
+    }
+    | MATRIX4x3 {
+        $$.initialize(EbtFloat, @1);
+        $$.setMatrix(4, 3);
+    }
+    | SAMPLER2D {
+        $$.initialize(EbtSampler2D, @1);
+    }
+    | SAMPLER3D {
+        $$.initialize(EbtSampler3D, @1);
+    }
+    | SAMPLERCUBE {
+        $$.initialize(EbtSamplerCube, @1);
+    }
+    | SAMPLER2DARRAY {
+        $$.initialize(EbtSampler2DArray, @1);
+    }
+    | ISAMPLER2D {
+        $$.initialize(EbtISampler2D, @1);
+    }
+    | ISAMPLER3D {
+        $$.initialize(EbtISampler3D, @1);
+    }
+    | ISAMPLERCUBE {
+        $$.initialize(EbtISamplerCube, @1);
+    }
+    | ISAMPLER2DARRAY {
+        $$.initialize(EbtISampler2DArray, @1);
+    }
+    | USAMPLER2D {
+        $$.initialize(EbtUSampler2D, @1);
+    }
+    | USAMPLER3D {
+        $$.initialize(EbtUSampler3D, @1);
+    }
+    | USAMPLERCUBE {
+        $$.initialize(EbtUSamplerCube, @1);
+    }
+    | USAMPLER2DARRAY {
+        $$.initialize(EbtUSampler2DArray, @1);
+    }
+    | SAMPLER2DSHADOW {
+        $$.initialize(EbtSampler2DShadow, @1);
+    }
+    | SAMPLERCUBESHADOW {
+        $$.initialize(EbtSamplerCubeShadow, @1);
+    }
+    | SAMPLER2DARRAYSHADOW {
+        $$.initialize(EbtSampler2DArrayShadow, @1);
+    }
+    | SAMPLER_EXTERNAL_OES {
+        if (!context->supportsExtension("GL_OES_EGL_image_external") &&
+            !context->supportsExtension("GL_NV_EGL_stream_consumer_external")) {
+            context->error(@1, "unsupported type", "samplerExternalOES");
+        }
+        $$.initialize(EbtSamplerExternalOES, @1);
+    }
+    | SAMPLER2DRECT {
+        if (!context->supportsExtension("GL_ARB_texture_rectangle")) {
+            context->error(@1, "unsupported type", "sampler2DRect");
+        }
+        $$.initialize(EbtSampler2DRect, @1);
+    }
+    | struct_specifier {
+        $$ = $1;
+    }
+    | IMAGE2D {
+        $$.initialize(EbtImage2D, @1);
+    }
+    | IIMAGE2D {
+        $$.initialize(EbtIImage2D, @1);
+    }
+    | UIMAGE2D {
+        $$.initialize(EbtUImage2D, @1);
+    }
+    | IMAGE3D {
+        $$.initialize(EbtImage3D, @1);
+    }
+    | IIMAGE3D {
+        $$.initialize(EbtIImage3D, @1);
+    }
+    | UIMAGE3D {
+        $$.initialize(EbtUImage3D, @1);
+    }
+    | IMAGE2DARRAY {
+        $$.initialize(EbtImage2DArray, @1);
+    }
+    | IIMAGE2DARRAY {
+        $$.initialize(EbtIImage2DArray, @1);
+    }
+    | UIMAGE2DARRAY {
+        $$.initialize(EbtUImage2DArray, @1);
+    }
+    | IMAGECUBE {
+        $$.initialize(EbtImageCube, @1);
+    }
+    | IIMAGECUBE {
+        $$.initialize(EbtIImageCube, @1);
+    }
+    | UIMAGECUBE {
+        $$.initialize(EbtUImageCube, @1);
+    }
+    | TYPE_NAME {
+        //
+        // This is for user defined type names.  The lexical phase looked up the
+        // type.
+        //
+        TType& structure = static_cast<TVariable*>($1.symbol)->getType();
+        $$.initialize(EbtStruct, @1);
+        $$.userDef = &structure;
+    }
+    ;
+
+struct_specifier
+    : STRUCT identifier LEFT_BRACE { context->enterStructDeclaration(@2, *$2.string); } struct_declaration_list RIGHT_BRACE {
+        $$ = context->addStructure(@1, @2, $2.string, $5);
+    }
+    | STRUCT LEFT_BRACE { context->enterStructDeclaration(@2, *$2.string); } struct_declaration_list RIGHT_BRACE {
+        $$ = context->addStructure(@1, @$, NewPoolTString(""), $4);
+    }
+    ;
+
+struct_declaration_list
+    : struct_declaration {
+        $$ = $1;
+    }
+    | struct_declaration_list struct_declaration {
+        $$ = $1;
+        for (size_t i = 0; i < $2->size(); ++i) {
+            TField* field = (*$2)[i];
+            for (size_t j = 0; j < $$->size(); ++j) {
+                if ((*$$)[j]->name() == field->name()) {
+                    context->error(@2, "duplicate field name in structure:", "struct", field->name().c_str());
+                }
+            }
+            $$->push_back(field);
+        }
+    }
+    ;
+
+struct_declaration
+    : type_specifier struct_declarator_list SEMICOLON {
+        $$ = context->addStructDeclaratorList($1, $2);
+    }
+    | type_qualifier type_specifier struct_declarator_list SEMICOLON {
+        // ES3 Only, but errors should be handled elsewhere
+        $$ = context->addStructDeclaratorListWithQualifiers(*$1, &$2, $3);
+    }
+    ;
+
+struct_declarator_list
+    : struct_declarator {
+        $$ = NewPoolTFieldList();
+        $$->push_back($1);
+    }
+    | struct_declarator_list COMMA struct_declarator {
+        $$->push_back($3);
+    }
+    ;
+
+struct_declarator
+    : identifier {
+        context->checkIsNotReserved(@1, *$1.string);
+
+        TType* type = new TType(EbtVoid, EbpUndefined);
+        $$ = new TField(type, $1.string, @1);
+    }
+    | identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
+        context->checkIsNotReserved(@1, *$1.string);
+
+        TType* type = new TType(EbtVoid, EbpUndefined);
+        unsigned int size = context->checkIsValidArraySize(@3, $3);
+        type->setArraySize(size);
+
+        $$ = new TField(type, $1.string, @1);
+    }
+    ;
+
+initializer
+    : assignment_expression { $$ = $1; }
+    ;
+
+declaration_statement
+    : declaration { $$ = $1; }
+    ;
+
+statement
+    : compound_statement  { $$ = $1; }
+    | simple_statement    { $$ = $1; }
+    ;
+
+// Grammar Note:  Labeled statements for SWITCH only; 'goto' is not supported.
+
+simple_statement
+    : declaration_statement { $$ = $1; }
+    | expression_statement  { $$ = $1; }
+    | selection_statement   { $$ = $1; }
+    | switch_statement      { $$ = $1; }
+    | case_label            { $$ = $1; }
+    | iteration_statement   { $$ = $1; }
+    | jump_statement        { $$ = $1; }
+    ;
+
+compound_statement
+    : LEFT_BRACE RIGHT_BRACE { $$ = 0; }
+    | LEFT_BRACE { context->symbolTable.push(); } statement_list { context->symbolTable.pop(); } RIGHT_BRACE {
+        if ($3 != 0) {
+            $3->setLine(@$);
+        }
+        $$ = $3;
+    }
+    ;
+
+statement_no_new_scope
+    : compound_statement_no_new_scope { $$ = $1; }
+    | simple_statement                { $$ = $1; }
+    ;
+
+statement_with_scope
+    : { context->symbolTable.push(); } compound_statement_no_new_scope { context->symbolTable.pop(); $$ = $2; }
+    | { context->symbolTable.push(); } simple_statement                { context->symbolTable.pop(); $$ = $2; }
+    ;
+
+compound_statement_no_new_scope
+    // Statement that doesn't create a new scope, for selection_statement, iteration_statement
+    : LEFT_BRACE RIGHT_BRACE {
+        $$ = 0;
+    }
+    | LEFT_BRACE statement_list RIGHT_BRACE {
+        if ($2) {
+            $2->setLine(@$);
+        }
+        $$ = $2;
+    }
+    ;
+
+statement_list
+    : statement {
+        $$ = new TIntermBlock();
+        $$->setLine(@$);
+        $$->appendStatement($1);
+    }
+    | statement_list statement {
+        $$ = $1;
+        $$->appendStatement($2);
+    }
+    ;
+
+expression_statement
+    : SEMICOLON  { $$ = 0; }
+    | expression SEMICOLON  { $$ = static_cast<TIntermNode*>($1); }
+    ;
+
+selection_statement
+    : IF LEFT_PAREN expression RIGHT_PAREN selection_rest_statement {
+        context->checkIsScalarBool(@1, $3);
+        $$ = context->intermediate.addIfElse($3, $5, @1);
+    }
+    ;
+
+selection_rest_statement
+    : statement_with_scope ELSE statement_with_scope {
+        $$.node1 = $1;
+        $$.node2 = $3;
+    }
+    | statement_with_scope {
+        $$.node1 = $1;
+        $$.node2 = 0;
+    }
+    ;
+
+switch_statement
+    : SWITCH LEFT_PAREN expression RIGHT_PAREN { context->incrSwitchNestingLevel(); } compound_statement {
+        $$ = context->addSwitch($3, $6, @1);
+        context->decrSwitchNestingLevel();
+    }
+    ;
+
+case_label
+    : CASE constant_expression COLON {
+        $$ = context->addCase($2, @1);
+    }
+    | DEFAULT COLON {
+        $$ = context->addDefault(@1);
+    }
+    ;
+
+condition
+    // In 1996 c++ draft, conditions can include single declarations
+    : expression {
+        $$ = $1;
+        context->checkIsScalarBool($1->getLine(), $1);
+    }
+    | fully_specified_type identifier EQUAL initializer {
+        TIntermBinary *initNode = nullptr;
+        context->checkIsScalarBool(@2, $1);
+
+        if (!context->executeInitializer(@2, *$2.string, $1, $4, &initNode))
+            $$ = $4;
+        else {
+            $$ = 0;
+        }
+    }
+    ;
+
+iteration_statement
+    : WHILE LEFT_PAREN { context->symbolTable.push(); context->incrLoopNestingLevel(); } condition RIGHT_PAREN statement_no_new_scope {
+        context->symbolTable.pop();
+        $$ = context->intermediate.addLoop(ELoopWhile, 0, $4, 0, $6, @1);
+        context->decrLoopNestingLevel();
+    }
+    | DO { context->incrLoopNestingLevel(); } statement_with_scope WHILE LEFT_PAREN expression RIGHT_PAREN SEMICOLON {
+        context->checkIsScalarBool(@8, $6);
+
+        $$ = context->intermediate.addLoop(ELoopDoWhile, 0, $6, 0, $3, @4);
+        context->decrLoopNestingLevel();
+    }
+    | FOR LEFT_PAREN { context->symbolTable.push(); context->incrLoopNestingLevel(); } for_init_statement for_rest_statement RIGHT_PAREN statement_no_new_scope {
+        context->symbolTable.pop();
+        $$ = context->intermediate.addLoop(ELoopFor, $4, reinterpret_cast<TIntermTyped*>($5.node1), reinterpret_cast<TIntermTyped*>($5.node2), $7, @1);
+        context->decrLoopNestingLevel();
+    }
+    ;
+
+for_init_statement
+    : expression_statement {
+        $$ = $1;
+    }
+    | declaration_statement {
+        $$ = $1;
+    }
+    ;
+
+conditionopt
+    : condition {
+        $$ = $1;
+    }
+    | /* May be null */ {
+        $$ = 0;
+    }
+    ;
+
+for_rest_statement
+    : conditionopt SEMICOLON {
+        $$.node1 = $1;
+        $$.node2 = 0;
+    }
+    | conditionopt SEMICOLON expression  {
+        $$.node1 = $1;
+        $$.node2 = $3;
+    }
+    ;
+
+jump_statement
+    : CONTINUE SEMICOLON {
+        $$ = context->addBranch(EOpContinue, @1);
+    }
+    | BREAK SEMICOLON {
+        $$ = context->addBranch(EOpBreak, @1);
+    }
+    | RETURN SEMICOLON {
+        $$ = context->addBranch(EOpReturn, @1);
+    }
+    | RETURN expression SEMICOLON {
+        $$ = context->addBranch(EOpReturn, $2, @1);
+    }
+    | DISCARD SEMICOLON {
+        FRAG_ONLY("discard", @1);
+        $$ = context->addBranch(EOpKill, @1);
+    }
+    ;
+
+// Grammar Note:  No 'goto'.  Gotos are not supported.
+
+translation_unit
+    : external_declaration {
+        $$ = new TIntermBlock();
+        $$->setLine(@$);
+        $$->appendStatement($1);
+        context->setTreeRoot($$);
+    }
+    | translation_unit external_declaration {
+        $$->appendStatement($2);
+    }
+    ;
+
+external_declaration
+    : function_definition {
+        $$ = $1;
+    }
+    | declaration {
+        $$ = $1;
+    }
+    ;
+
+function_definition
+    : function_prototype {
+        context->parseFunctionDefinitionHeader(@1, &($1.function), &$1.intermAggregate);
+    }
+    compound_statement_no_new_scope {
+        $$ = context->addFunctionDefinition(*($1.function), $1.intermAggregate, $3, @1);
+    }
+    ;
+
+%%
+
+int glslang_parse(TParseContext* context) {
+    return yyparse(context, context->getScanner());
+}