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Commit 1885113c by shannonwoods@chromium.org
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Move the code for parsing constructor functions from the grammar to TParseContext.

TRAC #23080 Signed-off-by: Nicolas Capens Signed-off-by: Shannon Woods Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2402 736b8ea6-26fd-11df-bfd4-992fa37f6226
parent 3c9d95a8
Showing with 103 additions and 53 deletions
src/compiler/ParseHelper.cpp
......@@ -1149,6 +1149,77 @@ TPublicType TParseContext::addFullySpecifiedType(TQualifier qualifier, const TPu
return returnType;
}
TFunction *TParseContext::addConstructorFunc(TPublicType publicType)
{
TOperator op = EOpNull;
if (publicType.userDef)
{
op = EOpConstructStruct;
}
else
{
switch (publicType.type)
{
case EbtFloat:
if (publicType.isMatrix())
{
// TODO: non-square matrices
switch(publicType.getCols())
{
case 2: op = EOpConstructMat2; break;
case 3: op = EOpConstructMat3; break;
case 4: op = EOpConstructMat4; break;
}
}
else
{
switch(publicType.getNominalSize())
{
case 1: op = EOpConstructFloat; break;
case 2: op = EOpConstructVec2; break;
case 3: op = EOpConstructVec3; break;
case 4: op = EOpConstructVec4; break;
}
}
break;
case EbtInt:
switch(publicType.getNominalSize())
{
case 1: op = EOpConstructInt; break;
case 2: op = EOpConstructIVec2; break;
case 3: op = EOpConstructIVec3; break;
case 4: op = EOpConstructIVec4; break;
}
break;
case EbtBool:
switch(publicType.getNominalSize())
{
case 1: op = EOpConstructBool; break;
case 2: op = EOpConstructBVec2; break;
case 3: op = EOpConstructBVec3; break;
case 4: op = EOpConstructBVec4; break;
}
break;
default: break;
}
if (op == EOpNull)
{
error(publicType.line, "cannot construct this type", getBasicString(publicType.type));
recover();
publicType.type = EbtFloat;
op = EOpConstructFloat;
}
}
TString tempString;
TType type(publicType);
return new TFunction(&tempString, type, op);
}
// This function is used to test for the correctness of the parameters passed to various constructor functions
// and also convert them to the right datatype if it is allowed and required.
//
......
src/compiler/ParseHelper.h
......@@ -121,6 +121,7 @@ struct TParseContext {
bool arraySetMaxSize(TIntermSymbol*, TType*, int, bool, TSourceLoc);
TPublicType addFullySpecifiedType(TQualifier qualifier, const TPublicType& typeSpecifier);
TFunction *addConstructorFunc(TPublicType publicType);
TIntermTyped* addConstructor(TIntermNode*, const TType*, TOperator, TFunction*, TSourceLoc);
TIntermTyped* foldConstConstructor(TIntermAggregate* aggrNode, const TType& type);
TIntermTyped* constructStruct(TIntermNode*, TType*, int, TSourceLoc, bool subset);
......
src/compiler/glslang.y
......@@ -443,59 +443,7 @@ function_call_header
function_identifier
: type_specifier_nonarray {
//
// Constructor
//
TOperator op = EOpNull;
if ($1.userDef) {
op = EOpConstructStruct;
} else {
switch ($1.type) {
case EbtFloat:
if ($1.isMatrix()) {
switch($1.getCols()) {
case 2: op = EOpConstructMat2; break;
case 3: op = EOpConstructMat3; break;
case 4: op = EOpConstructMat4; break;
}
} else {
switch($1.getNominalSize()) {
case 1: op = EOpConstructFloat; break;
case 2: op = EOpConstructVec2; break;
case 3: op = EOpConstructVec3; break;
case 4: op = EOpConstructVec4; break;
}
}
break;
case EbtInt:
switch($1.getNominalSize()) {
case 1: op = EOpConstructInt; break;
case 2: FRAG_VERT_ONLY("ivec2", $1.line); op = EOpConstructIVec2; break;
case 3: FRAG_VERT_ONLY("ivec3", $1.line); op = EOpConstructIVec3; break;
case 4: FRAG_VERT_ONLY("ivec4", $1.line); op = EOpConstructIVec4; break;
}
break;
case EbtBool:
switch($1.getNominalSize()) {
case 1: op = EOpConstructBool; break;
case 2: FRAG_VERT_ONLY("bvec2", $1.line); op = EOpConstructBVec2; break;
case 3: FRAG_VERT_ONLY("bvec3", $1.line); op = EOpConstructBVec3; break;
case 4: FRAG_VERT_ONLY("bvec4", $1.line); op = EOpConstructBVec4; break;
}
break;
default: break;
}
if (op == EOpNull) {
context->error($1.line, "cannot construct this type", getBasicString($1.type));
context->recover();
$1.type = EbtFloat;
op = EOpConstructFloat;
}
}
TString tempString;
TType type($1);
TFunction *function = new TFunction(&tempString, type, op);
$$ = function;
$$ = context->addConstructorFunc($1);
}
| IDENTIFIER {
if (context->reservedErrorCheck($1.line, *$1.string))
......
src/compiler/glslang_tab.cpp
......@@ -726,6 +726,7 @@ static const yytype_int16 yyrhs[] =
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const yytype_uint16 yyrline[] =
{
<<<<<<< current
0, 187, 187, 222, 225, 230, 235, 240, 246, 249,
252, 255, 258, 268, 281, 289, 389, 392, 400, 404,
411, 415, 422, 428, 437, 445, 500, 507, 517, 520,
......@@ -749,6 +750,31 @@ static const yytype_uint16 yyrline[] =
1849, 1849, 1854, 1854, 1861, 1861, 1869, 1872, 1878, 1881,
1887, 1891, 1898, 1905, 1912, 1919, 1930, 1939, 1943, 1950,
1953, 1959, 1959
=======
0, 192, 192, 227, 230, 235, 240, 245, 251, 254,
257, 260, 263, 273, 286, 294, 394, 397, 405, 409,
416, 420, 427, 433, 442, 450, 456, 463, 473, 476,
486, 496, 517, 518, 519, 524, 525, 534, 546, 547,
555, 566, 570, 571, 581, 591, 601, 614, 615, 625,
638, 642, 646, 650, 651, 664, 665, 678, 679, 692,
693, 710, 711, 724, 725, 726, 727, 728, 732, 735,
746, 754, 762, 789, 794, 805, 809, 813, 820, 858,
861, 868, 876, 897, 918, 929, 958, 963, 973, 978,
988, 991, 994, 997, 1003, 1010, 1013, 1035, 1053, 1077,
1100, 1104, 1122, 1130, 1162, 1182, 1271, 1280, 1286, 1290,
1297, 1303, 1310, 1319, 1328, 1331, 1367, 1374, 1378, 1385,
1389, 1394, 1399, 1404, 1409, 1418, 1428, 1435, 1438, 1441,
1447, 1454, 1457, 1463, 1466, 1476, 1479, 1494, 1498, 1502,
1506, 1515, 1520, 1525, 1530, 1535, 1540, 1545, 1550, 1555,
1560, 1566, 1572, 1578, 1584, 1590, 1596, 1602, 1608, 1614,
1619, 1624, 1633, 1642, 1647, 1660, 1660, 1663, 1663, 1669,
1672, 1687, 1690, 1698, 1702, 1708, 1716, 1732, 1736, 1740,
1741, 1747, 1748, 1749, 1750, 1751, 1755, 1756, 1756, 1756,
1766, 1767, 1771, 1771, 1772, 1772, 1777, 1780, 1790, 1793,
1799, 1800, 1804, 1812, 1816, 1826, 1831, 1848, 1848, 1853,
1853, 1860, 1860, 1868, 1871, 1877, 1880, 1886, 1890, 1897,
1904, 1911, 1918, 1929, 1938, 1942, 1949, 1952, 1958, 1958
>>>>>>> patched
};
#endif
......@@ -2576,6 +2602,7 @@ yyreduce:
//
// Constructor
//
<<<<<<< current
TOperator op = EOpNull;
if ((yyvsp[(1) - (1)].interm.type).userDef) {
op = EOpConstructStruct;
......@@ -2626,6 +2653,9 @@ yyreduce:
TType type((yyvsp[(1) - (1)].interm.type));
TFunction *function = new TFunction(&tempString, type, op);
(yyval.interm.function) = function;
=======
(yyval.interm.function) = context->addConstructorFunc((yyvsp[(1) - (1)].interm.type));
>>>>>>> patched
}
break;
......
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