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PP: Implement token pasting for PP identifiers.

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Implement token pasting as per the C++ specification, within the current
style of the PP code.
Non-identifiers (turning 12 ## 10 into the numeral 1210) is not yet covered;
they should be a simple incremental change built on this one.
Addresses issue #255.
This commit is contained in:
John Kessenich 2016-12-19 09:19:43 -07:00
parent abf5057948
commit d485e0b710
10 changed files with 304 additions and 34 deletions
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10
Test/baseResults/130.vert.out
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@ -3,9 +3,7 @@ ERROR: 0:59: 'gl_InstanceID' : undeclared identifier
ERROR: 0:59: '=' : cannot convert from 'temp float' to 'temp int'
ERROR: 0:61: 'texelFetch' : no matching overloaded function found
ERROR: 0:61: 'assign' : cannot convert from 'const float' to 'temp int'
ERROR: 0:75: '##' : token pasting not implemented (internal error)
ERROR: 0:75: '' : syntax error
ERROR: 6 compilation errors. No code generated.
ERROR: 4 compilation errors. No code generated.
Shader version: 130
@ -149,7 +147,8 @@ ERROR: node is still EOpNull!
0:? 'v4' (uniform 4-component vector of float)
0:? 'gl_ClipDistance' (smooth out implicitly-sized array of float ClipDistance)
0:? 'gl_TexCoord' (smooth out implicitly-sized array of 4-component vector of float TexCoord)
0:? 'abc' (global int)
0:? 'abcdef' (global int)
0:? 'qrstuv' (global int)
0:? 'gl_VertexID' (gl_VertexId int VertexId)
@ -281,6 +280,7 @@ ERROR: node is still EOpNull!
0:? 'v4' (uniform 4-component vector of float)
0:? 'gl_ClipDistance' (smooth out 2-element array of float ClipDistance)
0:? 'gl_TexCoord' (smooth out 1-element array of 4-component vector of float TexCoord)
0:? 'abc' (global int)
0:? 'abcdef' (global int)
0:? 'qrstuv' (global int)
0:? 'gl_VertexID' (gl_VertexId int VertexId)