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More subtle checking for redeclarations:

Browse Source 
- 300 doesn't allow built-in overload, while 100 does, while neither allows redefining
 - block name can't be reused for block name within the same interface 
   (though, the spec. isn't clear about that, it's easier than verifying member matches, will file bug on it)


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23984 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-11-11 04:21:31 +00:00
parent 4d6570a1b3
commit a4351c55e8
15 changed files with 332 additions and 243 deletions
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BIN
Install/Windows/glslangValidator.exe
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Binary file not shown.

10
Test/100scope.vert
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@ -17,12 +17,16 @@ bool b;
float b(int a); // ERROR: redefinition
float f; // ERROR: redefinition
float tan; // ERROR: redefines built-in function
float sin(float x); // ERROR: can't overload built-in functions
float cos(float x) // ERROR: can't overload built-in functions
float tan; // okay, built-in is in an outer scope
float sin(float x); // ERROR: can't redefine built-in functions
float cos(float x) // ERROR: can't redefine built-in functions
{
return 1.0;
}
bool radians(bool x) // okay, can overload built-in functions
{
return true;
}
invariant gl_Position;

18
Test/150.geom
View File

@ -52,11 +52,11 @@ out vec4 ov3; // stream should be 3
layout(stream = 6) out ooutb { vec4 a; } ouuaa6;
layout(stream = 6) out ooutb {
layout(stream = 6) out ooutb2 {
layout(stream = 6) vec4 a;
} ouua6;
layout(stream = 7) out ooutb {
layout(stream = 7) out ooutb3 {
layout(stream = 6) vec4 a; // ERROR
} ouua7;
@ -74,7 +74,7 @@ layout(triangle_strip) uniform; // ERROR
layout(triangle_strip) out vec4 badv4; // ERROR, not on a variable
layout(triangle_strip) in vec4 bad2v4; // ERROR, not on a variable or input
layout(invocations = 3) out outbn { int a; }; // ERROR, not on a block
out outbn {
out outbn2 {
layout(invocations = 3) int a; // ERROR, not on a block member
layout(max_vertices = 3) int b; // ERROR, not on a block member
layout(triangle_strip) int c; // ERROR, not on a block member
@ -90,3 +90,15 @@ layout(invocations = 4, max_vertices = 127) out;
in inbn {
layout(stream = 2) int a; // ERROR, stream on input
} inbi;
in sameName {
int a15;
};
out sameName {
float f15;
};
uniform sameName {
bool b15;
};

24
Test/300.vert
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@ -80,3 +80,27 @@ out S s2;
invariant s2;
invariant out S s3;
flat out int;
uniform ub2 {
float f;
} a;
uniform ub2 { // ERROR redeclaration of block name (same instance name)
float g;
} a;
uniform ub2 { // ERROR redeclaration of block name (different instance name)
float f;
} c;
uniform ub2 { // ERROR redeclaration of block name (no instance name)
float f123;
};
uniform ub3 {
bool b23;
};
uniform ub3 { // ERROR redeclaration of block name (no instance name in first or declared)
bool b234;
};

8
Test/300scope.vert
View File

@ -18,11 +18,15 @@ float b(int a); // ERROR: redefinition
float f; // ERROR: redefinition
float tan; // ERROR: redefines built-in function
float sin(float x); // ERROR: can't overload built-in functions
float cos(float x) // ERROR: can't overload built-in functions
float sin(float x); // ERROR: can't redefine built-in functions
float cos(float x) // ERROR: can't redefine built-in functions
{
return 1.0;
}
bool radians(bool x) // ERROR: can't overload built-in functions
{
return true;
}
invariant gl_Position;

8
Test/430scope.vert
View File

@ -18,11 +18,15 @@ float b(int a); // ERROR: redefinition
float f; // ERROR: redefinition
float tan; // okay, hides built-in function
float sin(float x); // okay, can overload built-in functions
float cos(float x) // okay, can overload built-in functions
float sin(float x); // okay, can redefine built-in functions
float cos(float x) // okay, can redefine built-in functions
{
return 1.0;
}
bool radians(bool x) // okay, can overload built-in functions
{
return true;
}
invariant gl_Position;

147
Test/baseResults/100scope.vert.out
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@ -1,11 +1,12 @@
ERROR: 0:5: 'a' : redefinition
ERROR: 0:17: 'b' : illegal redeclaration
ERROR: 0:17: 'b' : redeclaration of existing name
ERROR: 0:19: 'f' : redefinition
ERROR: 0:20: 'tan' : redefinition
ERROR: 0:31: 'local function declaration' : not supported with this profile: es
ERROR: 0:50: 'z' : undeclared identifier
ERROR: 0:50: 'z' : redefinition
ERROR: 7 compilation errors. No code generated.
ERROR: 0:21: 'redefinition of built-in function' : not supported with this profile: es
ERROR: 0:22: 'redefinition of built-in function' : not supported with this profile: es
ERROR: 0:35: 'local function declaration' : not supported with this profile: es
ERROR: 0:54: 'z' : undeclared identifier
ERROR: 0:54: 'z' : redefinition
ERROR: 8 compilation errors. No code generated.
ERROR: node is still EOpNull!
0:3 Function Definition: f(i1;i1;i1; (highp int)
@ -32,73 +33,81 @@ ERROR: node is still EOpNull!
0:24 Branch: Return with expression
0:24 Constant:
0:24 1.000000
0:29 Function Definition: main( (void)
0:29 Function Parameters:
0:26 Function Definition: radians(b1; (bool)
0:26 Function Parameters:
0:26 'x' (in bool)
0:28 Sequence
0:28 Branch: Return with expression
0:28 Constant:
0:28 true (const bool)
0:33 Function Definition: main( (void)
0:33 Function Parameters:
0:? Sequence
0:32 Function Call: g( (highp int)
0:35 'sin' (highp float)
0:37 Function Call: f(i1;i1;i1; (highp int)
0:37 Constant:
0:37 1 (const int)
0:37 Constant:
0:37 2 (const int)
0:37 Constant:
0:37 3 (const int)
0:40 move second child to first child (highp float)
0:40 'f' (highp float)
0:40 Constant:
0:40 3.000000
0:42 move second child to first child (highp 4-component vector of float)
0:42 'gl_Position' (invariant gl_Position highp 4-component vector of float)
0:42 Construct vec4 (highp 4-component vector of float)
0:42 'f' (highp float)
0:44 Sequence
0:44 Sequence
0:44 move second child to first child (highp int)
0:44 'f' (highp int)
0:36 Function Call: g( (highp int)
0:39 'sin' (highp float)
0:41 Function Call: f(i1;i1;i1; (highp int)
0:41 Constant:
0:41 1 (const int)
0:41 Constant:
0:41 2 (const int)
0:41 Constant:
0:41 3 (const int)
0:44 move second child to first child (highp float)
0:44 'f' (highp float)
0:44 Constant:
0:44 0 (const int)
0:44 Loop with condition tested first
0:44 Loop Condition
0:44 Compare Less Than (bool)
0:44 'f' (highp int)
0:44 Constant:
0:44 10 (const int)
0:44 Loop Body
0:45 Pre-Increment (highp int)
0:45 'f' (highp int)
0:44 Loop Terminal Expression
0:44 Pre-Increment (highp int)
0:44 'f' (highp int)
0:47 Sequence
0:47 move second child to first child (highp int)
0:47 'x' (highp int)
0:47 Constant:
0:47 1 (const int)
0:49 Sequence
0:49 Sequence
0:49 move second child to first child (highp float)
0:49 'x' (highp float)
0:49 Constant:
0:49 2.000000
0:49 move second child to first child (highp float)
0:49 'y' (highp float)
0:49 'x' (highp float)
0:44 3.000000
0:46 move second child to first child (highp 4-component vector of float)
0:46 'gl_Position' (invariant gl_Position highp 4-component vector of float)
0:46 Construct vec4 (highp 4-component vector of float)
0:46 'f' (highp float)
0:48 Sequence
0:48 Sequence
0:48 move second child to first child (highp int)
0:48 'f' (highp int)
0:48 Constant:
0:48 0 (const int)
0:48 Loop with condition tested first
0:48 Loop Condition
0:48 Compare Less Than (bool)
0:48 'f' (highp int)
0:48 Constant:
0:48 10 (const int)
0:48 Loop Body
0:49 Pre-Increment (highp int)
0:49 'f' (highp int)
0:48 Loop Terminal Expression
0:48 Pre-Increment (highp int)
0:48 'f' (highp int)
0:51 Sequence
0:51 move second child to first child (highp int)
0:51 'x' (highp int)
0:51 Constant:
0:51 1 (const int)
0:53 Sequence
0:53 Sequence
0:53 move second child to first child (highp int)
0:53 'x' (highp int)
0:53 'x' (highp int)
0:61 Sequence
0:61 Sequence
0:61 move second child to first child (structure{x})
0:61 'S' (structure{x})
0:61 Constant:
0:61 0 (const int)
0:62 x: direct index for structure (highp int)
0:62 'S' (structure{x})
0:62 Constant:
0:62 0 (const int)
0:53 move second child to first child (highp float)
0:53 'x' (highp float)
0:53 Constant:
0:53 2.000000
0:53 move second child to first child (highp float)
0:53 'y' (highp float)
0:53 'x' (highp float)
0:57 Sequence
0:57 Sequence
0:57 move second child to first child (highp int)
0:57 'x' (highp int)
0:57 'x' (highp int)
0:65 Sequence
0:65 Sequence
0:65 move second child to first child (structure{x})
0:65 'S' (structure{x})
0:65 Constant:
0:65 0 (const int)
0:66 x: direct index for structure (highp int)
0:66 'S' (structure{x})
0:66 Constant:
0:66 0 (const int)
0:? Linker Objects
0:? 'b' (bool)
0:? 'tan' (highp float)

3
Test/baseResults/150.geom.out
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@ -135,4 +135,7 @@ ERROR: node is still EOpNull!
0:? '__anon__1' (layout(stream=3 ) out block{a})
0:? 'outbi' (layout(stream=3 ) out block{a,b,c})
0:? 'inbi' (in block{a})
0:? '__anon__2' (in block{a15})
0:? '__anon__3' (layout(stream=3 ) out block{f15})
0:? '__anon__4' (layout(column_major shared ) uniform block{b15})

11
Test/baseResults/300.vert.out
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@ -18,9 +18,12 @@ ERROR: 0:63: '' : array size required
ERROR: 0:65: '' : array size required
ERROR: 0:64: '' : array size required
ERROR: 0:67: '' : array size required
ERROR: 0:78: 'invariant' : can only apply to an output
invIn
ERROR: 21 compilation errors. No code generated.
ERROR: 0:78: 'invariant' : can only apply to an output: invIn
ERROR: 0:88: 'ub2' : Cannot reuse block name within the same interface: uniform
ERROR: 0:92: 'ub2' : Cannot reuse block name within the same interface: uniform
ERROR: 0:96: 'ub2' : Cannot reuse block name within the same interface: uniform
ERROR: 0:104: 'ub3' : Cannot reuse block name within the same interface: uniform
ERROR: 25 compilation errors. No code generated.
ERROR: node is still EOpNull!
0:27 Function Definition: main( (void)
@ -167,6 +170,8 @@ ERROR: node is still EOpNull!
0:? 'invIn' (in highp 4-component vector of float)
0:? 's2' (smooth out structure{c,f})
0:? 's3' (invariant smooth out structure{c,f})
0:? 'a' (layout(column_major shared ) uniform block{f})
0:? '__anon__0' (layout(column_major shared ) uniform block{b23})
0:? 'gl_VertexID' (gl_VertexId highp int)
0:? 'gl_InstanceID' (gl_InstanceId highp int)

152
Test/baseResults/300scope.vert.out
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@ -1,13 +1,18 @@
ERROR: 0:5: 'a' : redefinition
ERROR: 0:17: 'b' : illegal redeclaration
ERROR: 0:17: 'b' : redeclaration of existing name
ERROR: 0:19: 'f' : redefinition
ERROR: 0:20: 'tan' : redefinition
ERROR: 0:21: 'redeclaration of built-in function' : no longer supported in es profile; removed in version 300
ERROR: 0:22: 'redeclaration of built-in function' : no longer supported in es profile; removed in version 300
ERROR: 0:31: 'local function declaration' : not supported with this profile: es
ERROR: 0:50: 'z' : undeclared identifier
ERROR: 0:50: 'z' : redefinition
ERROR: 9 compilation errors. No code generated.
ERROR: 0:21: 'redefinition of built-in function' : not supported with this profile: es
ERROR: 0:21: 'sin' : redeclaration of existing name
ERROR: 0:22: 'redefinition of built-in function' : not supported with this profile: es
ERROR: 0:22: 'cos' : redeclaration of existing name
ERROR: 0:26: 'radians' : redeclaration of existing name
ERROR: 0:26: 'radians' : can't find function
ERROR: 0:28: 'return' : void function cannot return a value
ERROR: 0:35: 'local function declaration' : not supported with this profile: es
ERROR: 0:54: 'z' : undeclared identifier
ERROR: 0:54: 'z' : redefinition
ERROR: 14 compilation errors. No code generated.
ERROR: node is still EOpNull!
0:3 Function Definition: f(i1;i1;i1; (highp int)
@ -34,73 +39,80 @@ ERROR: node is still EOpNull!
0:24 Branch: Return with expression
0:24 Constant:
0:24 1.000000
0:29 Function Definition: main( (void)
0:29 Function Parameters:
0:26 Function Definition: radians(b1; (bool)
0:26 Function Parameters:
0:26 'x' (in bool)
0:28 Sequence
0:28 Branch: Return with expression
0:28 Constant:
0:28 true (const bool)
0:33 Function Definition: main( (void)
0:33 Function Parameters:
0:? Sequence
0:32 Function Call: g( (highp int)
0:35 'sin' (highp float)
0:37 Function Call: f(i1;i1;i1; (highp int)
0:37 Constant:
0:37 1 (const int)
0:37 Constant:
0:37 2 (const int)
0:37 Constant:
0:37 3 (const int)
0:40 move second child to first child (highp float)
0:40 'f' (highp float)
0:40 Constant:
0:40 3.000000
0:42 move second child to first child (highp 4-component vector of float)
0:42 'gl_Position' (invariant gl_Position highp 4-component vector of float)
0:42 Construct vec4 (highp 4-component vector of float)
0:42 'f' (highp float)
0:44 Sequence
0:44 Sequence
0:44 move second child to first child (highp int)
0:44 'f' (highp int)
0:36 Function Call: g( (highp int)
0:39 'sin' (highp float)
0:41 Function Call: f(i1;i1;i1; (highp int)
0:41 Constant:
0:41 1 (const int)
0:41 Constant:
0:41 2 (const int)
0:41 Constant:
0:41 3 (const int)
0:44 move second child to first child (highp float)
0:44 'f' (highp float)
0:44 Constant:
0:44 0 (const int)
0:44 Loop with condition tested first
0:44 Loop Condition
0:44 Compare Less Than (bool)
0:44 'f' (highp int)
0:44 Constant:
0:44 10 (const int)
0:44 Loop Body
0:45 Pre-Increment (highp int)
0:45 'f' (highp int)
0:44 Loop Terminal Expression
0:44 Pre-Increment (highp int)
0:44 'f' (highp int)
0:47 Sequence
0:47 move second child to first child (highp int)
0:47 'x' (highp int)
0:47 Constant:
0:47 1 (const int)
0:49 Sequence
0:49 Sequence
0:49 move second child to first child (highp float)
0:49 'x' (highp float)
0:49 Constant:
0:49 2.000000
0:49 move second child to first child (highp float)
0:49 'y' (highp float)
0:49 'x' (highp float)
0:44 3.000000
0:46 move second child to first child (highp 4-component vector of float)
0:46 'gl_Position' (invariant gl_Position highp 4-component vector of float)
0:46 Construct vec4 (highp 4-component vector of float)
0:46 'f' (highp float)
0:48 Sequence
0:48 Sequence
0:48 move second child to first child (highp int)
0:48 'f' (highp int)
0:48 Constant:
0:48 0 (const int)
0:48 Loop with condition tested first
0:48 Loop Condition
0:48 Compare Less Than (bool)
0:48 'f' (highp int)
0:48 Constant:
0:48 10 (const int)
0:48 Loop Body
0:49 Pre-Increment (highp int)
0:49 'f' (highp int)
0:48 Loop Terminal Expression
0:48 Pre-Increment (highp int)
0:48 'f' (highp int)
0:51 Sequence
0:51 move second child to first child (highp int)
0:51 'x' (highp int)
0:51 Constant:
0:51 1 (const int)
0:53 Sequence
0:53 Sequence
0:53 move second child to first child (highp int)
0:53 'x' (highp int)
0:53 'x' (highp int)
0:61 Sequence
0:61 Sequence
0:61 move second child to first child (structure{x})
0:61 'S' (structure{x})
0:61 Constant:
0:61 0 (const int)
0:62 x: direct index for structure (highp int)
0:62 'S' (structure{x})
0:62 Constant:
0:62 0 (const int)
0:53 move second child to first child (highp float)
0:53 'x' (highp float)
0:53 Constant:
0:53 2.000000
0:53 move second child to first child (highp float)
0:53 'y' (highp float)
0:53 'x' (highp float)
0:57 Sequence
0:57 Sequence
0:57 move second child to first child (highp int)
0:57 'x' (highp int)
0:57 'x' (highp int)
0:65 Sequence
0:65 Sequence
0:65 move second child to first child (structure{x})
0:65 'S' (structure{x})
0:65 Constant:
0:65 0 (const int)
0:66 x: direct index for structure (highp int)
0:66 'S' (structure{x})
0:66 Constant:
0:66 0 (const int)
0:? Linker Objects
0:? 'b' (bool)
0:? 'gl_VertexID' (gl_VertexId highp int)

145
Test/baseResults/430scope.vert.out
View File

@ -1,9 +1,9 @@
Warning, version 430 is not yet complete; some version-specific features are present, but many are missing.
ERROR: 0:5: 'a' : redefinition
ERROR: 0:17: 'b' : illegal redeclaration
ERROR: 0:17: 'b' : redeclaration of existing name
ERROR: 0:19: 'f' : redefinition
ERROR: 0:50: 'z' : undeclared identifier
ERROR: 0:50: 'z' : redefinition
ERROR: 0:54: 'z' : undeclared identifier
ERROR: 0:54: 'z' : redefinition
ERROR: 5 compilation errors. No code generated.
ERROR: node is still EOpNull!
@ -31,76 +31,83 @@ ERROR: node is still EOpNull!
0:24 Branch: Return with expression
0:24 Constant:
0:24 1.000000
0:29 Function Definition: main( (void)
0:29 Function Parameters:
0:26 Function Definition: radians(b1; (bool)
0:26 Function Parameters:
0:26 'x' (in bool)
0:28 Sequence
0:28 Branch: Return with expression
0:28 Constant:
0:28 true (const bool)
0:33 Function Definition: main( (void)
0:33 Function Parameters:
0:? Sequence
0:32 Function Call: g( (int)
0:35 'sin' (float)
0:37 Function Call: f(i1;i1;i1; (int)
0:37 Constant:
0:37 1 (const int)
0:37 Constant:
0:37 2 (const int)
0:37 Constant:
0:37 3 (const int)
0:40 move second child to first child (float)
0:40 'f' (float)
0:40 Constant:
0:40 3.000000
0:42 move second child to first child (4-component vector of float)
0:42 gl_Position: direct index for structure (invariant gl_Position 4-component vector of float)
0:42 '__anon__0' (out block{gl_Position,gl_PointSize,gl_ClipDistance,gl_ClipVertex,gl_FrontColor,gl_BackColor,gl_FrontSecondaryColor,gl_BackSecondaryColor,gl_TexCoord,gl_FogFragCoord})
0:42 Constant:
0:42 0 (const uint)
0:42 Construct vec4 (4-component vector of float)
0:42 'f' (float)
0:44 Sequence
0:44 Sequence
0:44 move second child to first child (int)
0:44 'f' (int)
0:36 Function Call: g( (int)
0:39 'sin' (float)
0:41 Function Call: f(i1;i1;i1; (int)
0:41 Constant:
0:41 1 (const int)
0:41 Constant:
0:41 2 (const int)
0:41 Constant:
0:41 3 (const int)
0:44 move second child to first child (float)
0:44 'f' (float)
0:44 Constant:
0:44 0 (const int)
0:44 Loop with condition tested first
0:44 Loop Condition
0:44 Compare Less Than (bool)
0:44 'f' (int)
0:44 Constant:
0:44 10 (const int)
0:44 Loop Body
0:45 Pre-Increment (int)
0:45 'f' (int)
0:44 Loop Terminal Expression
0:44 Pre-Increment (int)
0:44 'f' (int)
0:47 Sequence
0:47 move second child to first child (int)
0:47 'x' (int)
0:47 Constant:
0:47 1 (const int)
0:49 Sequence
0:49 Sequence
0:49 move second child to first child (float)
0:49 'x' (float)
0:49 Constant:
0:49 2.000000
0:49 move second child to first child (float)
0:49 'y' (float)
0:49 'x' (float)
0:44 3.000000
0:46 move second child to first child (4-component vector of float)
0:46 gl_Position: direct index for structure (invariant gl_Position 4-component vector of float)
0:46 '__anon__0' (out block{gl_Position,gl_PointSize,gl_ClipDistance,gl_ClipVertex,gl_FrontColor,gl_BackColor,gl_FrontSecondaryColor,gl_BackSecondaryColor,gl_TexCoord,gl_FogFragCoord})
0:46 Constant:
0:46 0 (const uint)
0:46 Construct vec4 (4-component vector of float)
0:46 'f' (float)
0:48 Sequence
0:48 Sequence
0:48 move second child to first child (int)
0:48 'f' (int)
0:48 Constant:
0:48 0 (const int)
0:48 Loop with condition tested first
0:48 Loop Condition
0:48 Compare Less Than (bool)
0:48 'f' (int)
0:48 Constant:
0:48 10 (const int)
0:48 Loop Body
0:49 Pre-Increment (int)
0:49 'f' (int)
0:48 Loop Terminal Expression
0:48 Pre-Increment (int)
0:48 'f' (int)
0:51 Sequence
0:51 move second child to first child (int)
0:51 'x' (int)
0:51 Constant:
0:51 1 (const int)
0:53 Sequence
0:53 Sequence
0:53 move second child to first child (int)
0:53 'x' (int)
0:53 'x' (int)
0:61 Sequence
0:61 Sequence
0:61 move second child to first child (structure{x})
0:61 'S' (structure{x})
0:61 Constant:
0:61 0 (const int)
0:62 x: direct index for structure (int)
0:62 'S' (structure{x})
0:62 Constant:
0:62 0 (const int)
0:53 move second child to first child (float)
0:53 'x' (float)
0:53 Constant:
0:53 2.000000
0:53 move second child to first child (float)
0:53 'y' (float)
0:53 'x' (float)
0:57 Sequence
0:57 Sequence
0:57 move second child to first child (int)
0:57 'x' (int)
0:57 'x' (int)
0:65 Sequence
0:65 Sequence
0:65 move second child to first child (structure{x})
0:65 'S' (structure{x})
0:65 Constant:
0:65 0 (const int)
0:66 x: direct index for structure (int)
0:66 'S' (structure{x})
0:66 Constant:
0:66 0 (const int)
0:? Linker Objects
0:? 'b' (bool)
0:? 'tan' (float)

3
Test/baseResults/specExamples.frag.out
View File

@ -3,8 +3,7 @@ ERROR: 0:6: '=' : cannot convert from 'const uint' to 'int'
ERROR: 0:20: '' : numeric literal too big
ERROR: 0:21: '' : hexidecimal literal too big
ERROR: 0:37: 'view' : redefinition
ERROR: 0:63: 'invariant' : can only apply to an output
Color
ERROR: 0:63: 'invariant' : can only apply to an output: Color
ERROR: 0:68: 'lightPosition' : redefinition
ERROR: 0:75: 'Atten' : member storage qualifier cannot contradict block storage qualifier
ERROR: 0:87: 'Color' : redefinition

21
glslang/MachineIndependent/ParseHelper.cpp
View File

@ -733,12 +733,13 @@ TFunction* TParseContext::handleFunctionDeclarator(TSourceLoc loc, TFunction& fu
//
// Redeclarations (full prototype match) are allowed. But, return types and parameter qualifiers must match.
//
// ES does not allow redeclaring or hiding of built-in functions.
// ES 100 does not allow redefining, but does allow overloading of built-in functions.
// ES 300 does not allow redefining or overloading of built-in functions.
//
bool builtIn;
TSymbol* symbol = symbolTable.find(function.getMangledName(), &builtIn);
if (symbol && symbol->getAsFunction() && builtIn)
requireNotRemoved(loc, EEsProfile, 300, "redeclaration of built-in function");
requireProfile(loc, ~EEsProfile, "redefinition of built-in function");
const TFunction* prevDec = symbol ? symbol->getAsFunction() : 0;
if (prevDec) {
if (prevDec->getType() != function.getType()) {
@ -752,7 +753,7 @@ TFunction* TParseContext::handleFunctionDeclarator(TSourceLoc loc, TFunction& fu
if (! symbolTable.insert(function))
error(loc, "illegal redeclaration", function.getName().c_str(), "");
error(loc, "redeclaration of existing name", function.getName().c_str(), "");
//
// If this is a redeclaration, it could also be a definition,
@ -775,7 +776,7 @@ TIntermAggregate* TParseContext::handleFunctionPrototype(TSourceLoc loc, TFuncti
TFunction* prevDec = symbol ? symbol->getAsFunction() : 0;
if (! prevDec)
error(loc, "can't find function name", function.getName().c_str(), "");
error(loc, "can't find function", function.getName().c_str(), "");
//
// Note: 'prevDec' could be 'function' if this is the first time we've seen function
@ -3332,13 +3333,17 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
// whose type is EbtBlock, but without all the structure; that will come from the type
// the instances point to.
//
TType blockNameType(EbtBlock);
TType blockNameType(EbtBlock, blockType.getQualifier().storage);
TVariable* blockNameVar = new TVariable(blockName, blockNameType);
if (! symbolTable.insert(*blockNameVar)) {
TSymbol* existingName = symbolTable.find(*blockName);
if (existingName->getType().getBasicType() != EbtBlock) {
if (existingName->getType().getBasicType() == EbtBlock) {
if (existingName->getType().getQualifier().storage == blockType.getQualifier().storage) {
error(loc, "Cannot reuse block name within the same interface:", blockName->c_str(), blockType.getStorageQualifierString());
return;
}
} else {
error(loc, "block name cannot redefine a non-block name", blockName->c_str(), "");
return;
}
}
@ -3414,7 +3419,7 @@ void TParseContext::invariantCheck(TSourceLoc loc, const TType& type, const TStr
bool pipeIn = type.getQualifier().isPipeInput();
if (version >= 300 || profile != EEsProfile && version >= 420) {
if (! pipeOut)
error(loc, "can only apply to an output\n", "invariant", identifier.c_str());
error(loc, "can only apply to an output:", "invariant", identifier.c_str());
} else {
if ((language == EShLangVertex && pipeIn) || (! pipeOut && ! pipeIn))
error(loc, "can only apply to an output or an input in a non-vertex stage\n", "invariant", "");

2
glslang/MachineIndependent/ShaderLang.cpp
View File

@ -168,7 +168,7 @@ void InitializeStageSymbolTable(TBuiltIns& builtIns, int version, EProfile profi
(*symbolTables[language]).adoptLevels(*commonTable[CommonIndex(profile, language)]);
InitializeSymbolTable(builtIns.getStageString(language), version, profile, language, infoSink, *symbolTables[language]);
IdentifyBuiltIns(version, profile, language, *symbolTables[language]);
if (profile == EEsProfile)
if (profile == EEsProfile && version >= 300)
(*symbolTables[language]).setNoBuiltInRedeclarations();
}

15
glslang/MachineIndependent/SymbolTable.h
View File

@ -292,9 +292,8 @@ public:
return isOkay;
} else {
// Check for redefinition errors:
// - STL itself will tell us if there is a direct name collision at this level
// - additionally, check for function/variable name collisions
// - for ES, for overriding or hiding built-in function
// - STL itself will tell us if there is a direct name collision, with name mangling, at this level
// - additionally, check for function-redefining-variable name collisions
const TString& insertName = symbol.getMangledName();
if (symbol.getAsFunction()) {
// make sure there isn't a variable of this name
@ -457,11 +456,13 @@ public:
{
symbol.setUniqueId(++uniqueId);
if (! symbol.getAsFunction()) {
// make sure there isn't a function of this name
if (table[currentLevel()]->hasFunctionName(symbol.getName()))
// make sure there isn't a function of this variable name
if (! symbol.getAsFunction() && table[currentLevel()]->hasFunctionName(symbol.getName()))
return false;
if (atGlobalLevel() && currentLevel() > 0 && noBuiltInRedeclarations) {
// check for not overloading or redefining a built-in function
if (noBuiltInRedeclarations) {
if (atGlobalLevel() && currentLevel() > 0) {
if (table[0]->hasFunctionName(symbol.getName()))
return false;
if (currentLevel() > 1 && table[1]->hasFunctionName(symbol.getName()))