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HLSL: Add typedef grammar and production.
This commit is contained in:
John Kessenich
parent
d5ed0b6982
commit
5e69ec683d
132
Test/baseResults/hlsl.typedef.frag.out
Executable file
132
Test/baseResults/hlsl.typedef.frag.out
Executable file
@ -0,0 +1,132 @@
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hlsl.typedef.frag
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Shader version: 450
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gl_FragCoord origin is upper left
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0:? Sequence
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0:12 Function Definition: ShaderFunction(vf4;i1; (global 4-component vector of float)
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0:4 Function Parameters:
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0:4 'input' (in 4-component vector of float)
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0:4 'ii' (in int)
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0:? Sequence
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0:6 Sequence
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0:6 move second child to first child (temp 4-component vector of float)
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0:6 'a1' (temp 4-component vector of float)
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0:6 Constant:
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0:6 1.000000
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0:6 1.000000
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0:6 1.000000
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0:6 1.000000
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0:7 Sequence
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0:7 move second child to first child (temp int)
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0:7 'i' (temp int)
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0:7 Constant:
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0:7 2 (const int)
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0:9 Sequence
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0:9 move second child to first child (temp int)
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0:9 'j' (temp int)
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0:9 'ii' (in int)
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0:10 Branch: Return with expression
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0:10 add (temp 4-component vector of float)
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0:10 component-wise multiply (temp 4-component vector of float)
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0:10 'input' (in 4-component vector of float)
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0:10 'a1' (temp 4-component vector of float)
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0:10 Construct vec4 (global 4-component vector of float)
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0:10 Convert int to float (temp float)
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0:10 add (temp int)
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0:10 'i' (temp int)
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0:10 'j' (temp int)
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0:? Linker Objects
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Linked fragment stage:
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Shader version: 450
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gl_FragCoord origin is upper left
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0:? Sequence
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0:12 Function Definition: ShaderFunction(vf4;i1; (global 4-component vector of float)
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0:4 Function Parameters:
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0:4 'input' (in 4-component vector of float)
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0:4 'ii' (in int)
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0:? Sequence
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0:6 Sequence
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0:6 move second child to first child (temp 4-component vector of float)
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0:6 'a1' (temp 4-component vector of float)
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0:6 Constant:
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0:6 1.000000
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0:6 1.000000
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0:6 1.000000
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0:6 1.000000
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0:7 Sequence
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0:7 move second child to first child (temp int)
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0:7 'i' (temp int)
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0:7 Constant:
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0:7 2 (const int)
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0:9 Sequence
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0:9 move second child to first child (temp int)
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0:9 'j' (temp int)
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0:9 'ii' (in int)
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0:10 Branch: Return with expression
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0:10 add (temp 4-component vector of float)
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0:10 component-wise multiply (temp 4-component vector of float)
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0:10 'input' (in 4-component vector of float)
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0:10 'a1' (temp 4-component vector of float)
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0:10 Construct vec4 (global 4-component vector of float)
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0:10 Convert int to float (temp float)
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0:10 add (temp int)
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0:10 'i' (temp int)
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0:10 'j' (temp int)
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0:? Linker Objects
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// Module Version 10000
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// Generated by (magic number): 80001
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// Id's are bound by 34
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Capability Shader
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1: ExtInstImport "GLSL.std.450"
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MemoryModel Logical GLSL450
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EntryPoint Fragment 4 "PixelShaderFunction"
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ExecutionMode 4 OriginUpperLeft
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Source HLSL 450
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Name 4 "PixelShaderFunction"
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Name 14 "ShaderFunction(vf4;i1;"
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Name 12 "input"
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Name 13 "ii"
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Name 16 "a1"
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Name 19 "i"
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Name 21 "j"
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2: TypeVoid
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3: TypeFunction 2
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6: TypeFloat 32
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7: TypeVector 6(float) 4
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8: TypePointer Function 7(fvec4)
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9: TypeInt 32 1
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10: TypePointer Function 9(int)
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11: TypeFunction 7(fvec4) 8(ptr) 10(ptr)
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17: 6(float) Constant 1065353216
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18: 7(fvec4) ConstantComposite 17 17 17 17
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20: 9(int) Constant 2
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4(PixelShaderFunction): 2 Function None 3
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5: Label
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FunctionEnd
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14(ShaderFunction(vf4;i1;): 7(fvec4) Function None 11
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12(input): 8(ptr) FunctionParameter
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13(ii): 10(ptr) FunctionParameter
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15: Label
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16(a1): 8(ptr) Variable Function
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19(i): 10(ptr) Variable Function
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21(j): 10(ptr) Variable Function
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Store 16(a1) 18
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Store 19(i) 20
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22: 9(int) Load 13(ii)
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Store 21(j) 22
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23: 7(fvec4) Load 12(input)
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24: 7(fvec4) Load 16(a1)
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25: 7(fvec4) FMul 23 24
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26: 9(int) Load 19(i)
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27: 9(int) Load 21(j)
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28: 9(int) IAdd 26 27
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29: 6(float) ConvertSToF 28
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30: 7(fvec4) CompositeConstruct 29 29 29 29
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31: 7(fvec4) FAdd 25 30
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ReturnValue 31
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FunctionEnd
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11
Test/hlsl.typedef.frag
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11
Test/hlsl.typedef.frag
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@ -0,0 +1,11 @@
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typedef float4 myVec4;
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float4 ShaderFunction(float4 input, int ii) : COLOR0
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{
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typedef int myInt;
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myVec4 a1 = myVec4(1.0);
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myInt i = 2;
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typedef myInt myInt2;
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myInt2 j = ii;
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return input * a1 + myVec4(i + j);
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}
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@ -104,6 +104,7 @@ INSTANTIATE_TEST_CASE_P(
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{"hlsl.switch.frag", "PixelShaderFunction"},
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{"hlsl.swizzle.frag", "PixelShaderFunction"},
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{"hlsl.templatetypes.frag", "PixelShaderFunction"},
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{"hlsl.typedef.frag", "PixelShaderFunction"},
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{"hlsl.whileLoop.frag", "PixelShaderFunction"},
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{"hlsl.void.frag", "PixelShaderFunction"},
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}),
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@ -108,6 +108,7 @@ bool HlslGrammar::acceptCompilationUnit()
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// declaration
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// : fully_specified_type declarator_list SEMICOLON
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// | fully_specified_type identifier function_parameters post_decls compound_statement // function definition
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// | typedef declaration
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//
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// declarator_list
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// : declarator COMMA declarator COMMA declarator... // zero or more declarators
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@ -130,6 +131,9 @@ bool HlslGrammar::acceptDeclaration(TIntermNode*& node)
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node = nullptr;
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bool list = false;
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// typedef
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bool typedefDecl = acceptTokenClass(EHTokTypedef);
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// fully_specified_type
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TType type;
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if (! acceptFullySpecifiedType(type))
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@ -150,9 +154,14 @@ bool HlslGrammar::acceptDeclaration(TIntermNode*& node)
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if (peekTokenClass(EHTokLeftBrace)) {
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if (list)
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parseContext.error(idToken.loc, "function body can't be in a declarator list", "{", "");
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if (typedefDecl)
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parseContext.error(idToken.loc, "function body can't be in a typedef", "{", "");
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return acceptFunctionDefinition(*function, node);
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} else
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} else {
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if (typedefDecl)
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parseContext.error(idToken.loc, "function typedefs not implemented", "{", "");
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parseContext.handleFunctionDeclarator(idToken.loc, *function, true);
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}
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} else {
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// a variable declaration
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@ -166,19 +175,25 @@ bool HlslGrammar::acceptDeclaration(TIntermNode*& node)
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// EQUAL assignment_expression
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TIntermTyped* expressionNode = nullptr;
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if (acceptTokenClass(EHTokAssign)) {
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if (typedefDecl)
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parseContext.error(idToken.loc, "can't have an initializer", "typedef", "");
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if (! acceptAssignmentExpression(expressionNode)) {
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expected("initializer");
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return false;
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}
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}
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// Declare the variable and add any initializer code to the AST.
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// The top-level node is always made into an aggregate, as that's
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// historically how the AST has been.
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node = intermediate.growAggregate(node,
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parseContext.declareVariable(idToken.loc, *idToken.string, type,
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arraySizes, expressionNode),
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idToken.loc);
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if (typedefDecl)
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parseContext.declareTypedef(idToken.loc, *idToken.string, type, arraySizes);
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else {
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// Declare the variable and add any initializer code to the AST.
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// The top-level node is always made into an aggregate, as that's
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// historically how the AST has been.
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node = intermediate.growAggregate(node,
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parseContext.declareVariable(idToken.loc, *idToken.string, type,
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arraySizes, expressionNode),
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idToken.loc);
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}
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}
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if (acceptTokenClass(EHTokComma)) {
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@ -3018,6 +3018,27 @@ const TFunction* HlslParseContext::findFunction(const TSourceLoc& loc, const TFu
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return candidate;
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}
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//
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// Do everything necessary to handle a typedef declaration, for a single symbol.
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//
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// 'parseType' is the type part of the declaration (to the left)
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// 'arraySizes' is the arrayness tagged on the identifier (to the right)
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//
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void HlslParseContext::declareTypedef(const TSourceLoc& loc, TString& identifier, const TType& parseType, TArraySizes* arraySizes)
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{
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TType type;
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type.deepCopy(parseType);
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// Arrayness is potentially coming both from the type and from the
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// variable: "int[] a[];" or just one or the other.
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// Merge it all to the type, so all arrayness is part of the type.
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arrayDimMerge(type, arraySizes);
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TVariable* typeSymbol = new TVariable(&identifier, type, true);
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if (! symbolTable.insert(*typeSymbol))
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error(loc, "name already defined", "typedef", identifier.c_str());
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}
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//
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// Do everything necessary to handle a variable (non-block) declaration.
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// Either redeclaring a variable, or making a new one, updating the symbol
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@ -3026,7 +3047,7 @@ const TFunction* HlslParseContext::findFunction(const TSourceLoc& loc, const TFu
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// Returns a subtree node that computes an initializer, if needed.
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// Returns nullptr if there is no code to execute for initialization.
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//
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// 'publicType' is the type part of the declaration (to the left)
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// 'parseType' is the type part of the declaration (to the left)
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// 'arraySizes' is the arrayness tagged on the identifier (to the right)
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//
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TIntermNode* HlslParseContext::declareVariable(const TSourceLoc& loc, TString& identifier, const TType& parseType, TArraySizes* arraySizes, TIntermTyped* initializer)
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@ -3036,7 +3057,7 @@ TIntermNode* HlslParseContext::declareVariable(const TSourceLoc& loc, TString& i
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if (type.isImplicitlySizedArray()) {
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// Because "int[] a = int[2](...), b = int[3](...)" makes two arrays a and b
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// of different sizes, for this case sharing the shallow copy of arrayness
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// with the publicType oversubscribes it, so get a deep copy of the arrayness.
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// with the parseType oversubscribes it, so get a deep copy of the arrayness.
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type.newArraySizes(*parseType.getArraySizes());
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}
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@ -3045,7 +3066,7 @@ TIntermNode* HlslParseContext::declareVariable(const TSourceLoc& loc, TString& i
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// Check for redeclaration of built-ins and/or attempting to declare a reserved name
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bool newDeclaration = false; // true if a new entry gets added to the symbol table
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TSymbol* symbol = nullptr; // = redeclareBuiltinVariable(loc, identifier, type.getQualifier(), publicType.shaderQualifiers, newDeclaration);
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TSymbol* symbol = nullptr; // = redeclareBuiltinVariable(loc, identifier, type.getQualifier(), parseType.shaderQualifiers, newDeclaration);
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inheritGlobalDefaults(type.getQualifier());
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@ -126,6 +126,7 @@ public:
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void checkNoShaderLayouts(const TSourceLoc&, const TShaderQualifiers&);
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const TFunction* findFunction(const TSourceLoc& loc, const TFunction& call, bool& builtIn);
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void declareTypedef(const TSourceLoc&, TString& identifier, const TType&, TArraySizes* typeArray = 0);
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TIntermNode* declareVariable(const TSourceLoc&, TString& identifier, const TType&, TArraySizes* typeArray = 0, TIntermTyped* initializer = 0);
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TIntermTyped* addConstructor(const TSourceLoc&, TIntermNode*, const TType&, TOperator);
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TIntermTyped* constructAggregate(TIntermNode*, const TType&, int, const TSourceLoc&);
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