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Commit ee63f5d9 by Olli Etuaho
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Move function parsing code to ParseContext

This change is pure refactoring. It will make it easier to fix bugs related to function declarations. BUG=angleproject:911 BUG=angleproject:1067 BUG=angleproject:1068 TEST=angle_unittests Change-Id: I031783dc02612d9cf3ff7a9c8291cf8ab33577aa Reviewed-on: https://chromium-review.googlesource.com/320081 Tryjob-Request: Olli Etuaho <oetuaho@nvidia.com> Tested-by: 's avatarOlli Etuaho <oetuaho@nvidia.com> Reviewed-by: 's avatarJamie Madill <jmadill@chromium.org> Reviewed-by: 's avatarZhenyao Mo <zmo@chromium.org>
parent e6683860
Showing with 95 additions and 121 deletions
src/compiler/translator/ParseContext.cpp
......@@ -1925,6 +1925,62 @@ void TParseContext::parseGlobalLayoutQualifier(const TPublicType &typeQualifier)
}
}
TIntermAggregate *TParseContext::addFunctionPrototypeDeclaration(const TFunction &function,
const TSourceLoc &location)
{
TIntermAggregate *prototype = new TIntermAggregate;
prototype->setType(function.getReturnType());
prototype->setName(function.getMangledName());
prototype->setFunctionId(function.getUniqueId());
for (size_t i = 0; i < function.getParamCount(); i++)
{
const TConstParameter &param = function.getParam(i);
if (param.name != 0)
{
TVariable variable(param.name, *param.type);
TIntermSymbol *paramSymbol = intermediate.addSymbol(
variable.getUniqueId(), variable.getName(), variable.getType(), location);
prototype = intermediate.growAggregate(prototype, paramSymbol, location);
}
else
{
TIntermSymbol *paramSymbol = intermediate.addSymbol(0, "", *param.type, location);
prototype = intermediate.growAggregate(prototype, paramSymbol, location);
}
}
prototype->setOp(EOpPrototype);
symbolTable.pop();
return prototype;
}
TIntermAggregate *TParseContext::addFunctionDefinition(const TFunction &function,
TIntermAggregate *functionPrototype,
TIntermAggregate *functionBody,
const TSourceLoc &location)
{
//?? Check that all paths return a value if return type != void ?
// May be best done as post process phase on intermediate code
if (mCurrentFunctionType->getBasicType() != EbtVoid && !mFunctionReturnsValue)
{
error(location, "function does not return a value:", "", function.getName().c_str());
recover();
}
TIntermAggregate *aggregate =
intermediate.growAggregate(functionPrototype, functionBody, location);
intermediate.setAggregateOperator(aggregate, EOpFunction, location);
aggregate->setName(function.getMangledName().c_str());
aggregate->setType(function.getReturnType());
aggregate->setFunctionId(function.getUniqueId());
symbolTable.pop();
return aggregate;
}
void TParseContext::parseFunctionPrototype(const TSourceLoc &location,
TFunction *function,
TIntermAggregate **aggregateOut)
......@@ -1978,8 +2034,8 @@ void TParseContext::parseFunctionPrototype(const TSourceLoc &location,
//
// Remember the return type for later checking for RETURN statements.
//
setCurrentFunctionType(&(prevDec->getReturnType()));
setFunctionReturnsValue(false);
mCurrentFunctionType = &(prevDec->getReturnType());
mFunctionReturnsValue = false;
//
// Insert parameters into the symbol table.
......
src/compiler/translator/ParseContext.h
......@@ -102,23 +102,11 @@ class TParseContext : angle::NonCopyable
mFragmentPrecisionHighOnESSL1 = fragmentPrecisionHigh;
}
bool getFunctionReturnsValue() const { return mFunctionReturnsValue; }
void setFunctionReturnsValue(bool functionReturnsValue)
{
mFunctionReturnsValue = functionReturnsValue;
}
void setLoopNestingLevel(int loopNestintLevel)
{
mLoopNestingLevel = loopNestintLevel;
}
const TType *getCurrentFunctionType() const { return mCurrentFunctionType; }
void setCurrentFunctionType(const TType *currentFunctionType)
{
mCurrentFunctionType = currentFunctionType;
}
void incrLoopNestingLevel() { ++mLoopNestingLevel; }
void decrLoopNestingLevel() { --mLoopNestingLevel; }
......@@ -244,6 +232,12 @@ class TParseContext : angle::NonCopyable
TIntermTyped *initializer);
void parseGlobalLayoutQualifier(const TPublicType &typeQualifier);
TIntermAggregate *addFunctionPrototypeDeclaration(const TFunction &function,
const TSourceLoc &location);
TIntermAggregate *addFunctionDefinition(const TFunction &function,
TIntermAggregate *functionPrototype,
TIntermAggregate *functionBody,
const TSourceLoc &location);
void parseFunctionPrototype(const TSourceLoc &location,
TFunction *function,
TIntermAggregate **aggregateOut);
......
src/compiler/translator/glslang.y
......@@ -178,10 +178,10 @@ extern void yyerror(YYLTYPE* yylloc, TParseContext* context, void *scanner, cons
%type <interm.intermNode> translation_unit function_definition
%type <interm.intermNode> statement simple_statement
%type <interm.intermAggregate> statement_list compound_statement
%type <interm.intermAggregate> 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 compound_statement_no_new_scope
%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
......@@ -580,33 +580,8 @@ enter_struct
;
declaration
: function_prototype SEMICOLON {
TFunction &function = *($1.function);
TIntermAggregate *prototype = new TIntermAggregate;
prototype->setType(function.getReturnType());
prototype->setName(function.getMangledName());
prototype->setFunctionId(function.getUniqueId());
for (size_t i = 0; i < function.getParamCount(); i++)
{
const TConstParameter &param = function.getParam(i);
if (param.name != 0)
{
TVariable variable(param.name, *param.type);
prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable.getUniqueId(), variable.getName(), variable.getType(), @1), @1);
}
else
{
prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, @1), @1);
}
}
prototype->setOp(EOpPrototype);
$$ = prototype;
context->symbolTable.pop();
: function_prototype SEMICOLON {
$$ = context->addFunctionPrototypeDeclaration(*($1.function), @1);
}
| init_declarator_list SEMICOLON {
TIntermAggregate *aggNode = $1.intermAggregate;
......@@ -1599,20 +1574,7 @@ function_definition
context->parseFunctionPrototype(@1, $1.function, &$1.intermAggregate);
}
compound_statement_no_new_scope {
//?? Check that all paths return a value if return type != void ?
// May be best done as post process phase on intermediate code
if (context->getCurrentFunctionType()->getBasicType() != EbtVoid && !context->getFunctionReturnsValue()) {
context->error(@1, "function does not return a value:", "", $1.function->getName().c_str());
context->recover();
}
$$ = context->intermediate.growAggregate($1.intermAggregate, $3, @$);
context->intermediate.setAggregateOperator($$, EOpFunction, @1);
$$->getAsAggregate()->setName($1.function->getMangledName().c_str());
$$->getAsAggregate()->setType($1.function->getReturnType());
$$->getAsAggregate()->setFunctionId($1.function->getUniqueId());
context->symbolTable.pop();
$$ = context->addFunctionDefinition(*($1.function), $1.intermAggregate, $3, @1);
}
;
......
src/compiler/translator/glslang_tab.cpp
......@@ -702,26 +702,26 @@ static const yytype_uint16 yyrline[] =
440, 443, 446, 449, 455, 456, 459, 465, 466, 473,
474, 481, 482, 489, 490, 496, 497, 503, 504, 510,
511, 517, 518, 526, 527, 528, 529, 533, 534, 535,
539, 543, 547, 551, 558, 561, 567, 575, 583, 611,
617, 628, 632, 636, 640, 647, 653, 656, 663, 671,
692, 719, 729, 757, 762, 772, 777, 787, 790, 793,
796, 802, 809, 812, 816, 820, 825, 830, 837, 841,
845, 849, 854, 859, 863, 870, 880, 886, 889, 895,
901, 908, 917, 927, 935, 938, 945, 949, 953, 958,
966, 969, 973, 977, 986, 995, 1003, 1013, 1025, 1028,
1031, 1037, 1044, 1047, 1053, 1056, 1059, 1065, 1068, 1073,
1088, 1092, 1096, 1100, 1104, 1108, 1113, 1118, 1123, 1128,
1133, 1138, 1143, 1148, 1153, 1158, 1163, 1168, 1173, 1178,
1183, 1188, 1193, 1198, 1203, 1208, 1213, 1217, 1221, 1225,
1229, 1233, 1237, 1241, 1245, 1249, 1253, 1257, 1261, 1265,
1269, 1273, 1281, 1289, 1293, 1306, 1306, 1309, 1309, 1315,
1318, 1334, 1337, 1346, 1350, 1356, 1363, 1378, 1382, 1386,
1387, 1393, 1394, 1395, 1396, 1397, 1398, 1399, 1403, 1404,
1404, 1404, 1414, 1415, 1419, 1419, 1420, 1420, 1425, 1428,
1438, 1441, 1447, 1448, 1452, 1460, 1464, 1471, 1471, 1478,
1481, 1488, 1493, 1508, 1508, 1513, 1513, 1520, 1520, 1528,
1531, 1537, 1540, 1546, 1550, 1557, 1560, 1563, 1566, 1569,
1578, 1582, 1589, 1592, 1598, 1598
539, 543, 547, 551, 558, 561, 567, 575, 583, 586,
592, 603, 607, 611, 615, 622, 628, 631, 638, 646,
667, 694, 704, 732, 737, 747, 752, 762, 765, 768,
771, 777, 784, 787, 791, 795, 800, 805, 812, 816,
820, 824, 829, 834, 838, 845, 855, 861, 864, 870,
876, 883, 892, 902, 910, 913, 920, 924, 928, 933,
941, 944, 948, 952, 961, 970, 978, 988, 1000, 1003,
1006, 1012, 1019, 1022, 1028, 1031, 1034, 1040, 1043, 1048,
1063, 1067, 1071, 1075, 1079, 1083, 1088, 1093, 1098, 1103,
1108, 1113, 1118, 1123, 1128, 1133, 1138, 1143, 1148, 1153,
1158, 1163, 1168, 1173, 1178, 1183, 1188, 1192, 1196, 1200,
1204, 1208, 1212, 1216, 1220, 1224, 1228, 1232, 1236, 1240,
1244, 1248, 1256, 1264, 1268, 1281, 1281, 1284, 1284, 1290,
1293, 1309, 1312, 1321, 1325, 1331, 1338, 1353, 1357, 1361,
1362, 1368, 1369, 1370, 1371, 1372, 1373, 1374, 1378, 1379,
1379, 1379, 1389, 1390, 1394, 1394, 1395, 1395, 1400, 1403,
1413, 1416, 1422, 1423, 1427, 1435, 1439, 1446, 1446, 1453,
1456, 1463, 1468, 1483, 1483, 1488, 1488, 1495, 1495, 1503,
1506, 1512, 1515, 1521, 1525, 1532, 1535, 1538, 1541, 1544,
1553, 1557, 1564, 1567, 1573, 1573
};
#endif
......@@ -3048,32 +3048,7 @@ yyreduce:
case 88:
{
TFunction &function = *((yyvsp[-1].interm).function);
TIntermAggregate *prototype = new TIntermAggregate;
prototype->setType(function.getReturnType());
prototype->setName(function.getMangledName());
prototype->setFunctionId(function.getUniqueId());
for (size_t i = 0; i < function.getParamCount(); i++)
{
const TConstParameter &param = function.getParam(i);
if (param.name != 0)
{
TVariable variable(param.name, *param.type);
prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable.getUniqueId(), variable.getName(), variable.getType(), (yylsp[-1])), (yylsp[-1]));
}
else
{
prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, (yylsp[-1])), (yylsp[-1]));
}
}
prototype->setOp(EOpPrototype);
(yyval.interm.intermNode) = prototype;
context->symbolTable.pop();
(yyval.interm.intermNode) = context->addFunctionPrototypeDeclaration(*((yyvsp[-1].interm).function), (yylsp[-1]));
}
break;
......@@ -4488,7 +4463,7 @@ yyreduce:
case 232:
{ (yyval.interm.intermNode) = (yyvsp[0].interm.intermNode); }
{ (yyval.interm.intermNode) = (yyvsp[0].interm.intermAggregate); }
break;
......@@ -4506,7 +4481,7 @@ yyreduce:
case 235:
{ context->symbolTable.pop(); (yyval.interm.intermNode) = (yyvsp[0].interm.intermNode); }
{ context->symbolTable.pop(); (yyval.interm.intermNode) = (yyvsp[0].interm.intermAggregate); }
break;
......@@ -4525,7 +4500,7 @@ yyreduce:
case 238:
{
(yyval.interm.intermNode) = 0;
(yyval.interm.intermAggregate) = 0;
}
break;
......@@ -4537,7 +4512,7 @@ yyreduce:
(yyvsp[-1].interm.intermAggregate)->setOp(EOpSequence);
(yyvsp[-1].interm.intermAggregate)->setLine((yyloc));
}
(yyval.interm.intermNode) = (yyvsp[-1].interm.intermAggregate);
(yyval.interm.intermAggregate) = (yyvsp[-1].interm.intermAggregate);
}
break;
......@@ -4842,20 +4817,7 @@ yyreduce:
case 275:
{
//?? Check that all paths return a value if return type != void ?
// May be best done as post process phase on intermediate code
if (context->getCurrentFunctionType()->getBasicType() != EbtVoid && !context->getFunctionReturnsValue()) {
context->error((yylsp[-2]), "function does not return a value:", "", (yyvsp[-2].interm).function->getName().c_str());
context->recover();
}
(yyval.interm.intermNode) = context->intermediate.growAggregate((yyvsp[-2].interm).intermAggregate, (yyvsp[0].interm.intermNode), (yyloc));
context->intermediate.setAggregateOperator((yyval.interm.intermNode), EOpFunction, (yylsp[-2]));
(yyval.interm.intermNode)->getAsAggregate()->setName((yyvsp[-2].interm).function->getMangledName().c_str());
(yyval.interm.intermNode)->getAsAggregate()->setType((yyvsp[-2].interm).function->getReturnType());
(yyval.interm.intermNode)->getAsAggregate()->setFunctionId((yyvsp[-2].interm).function->getUniqueId());
context->symbolTable.pop();
(yyval.interm.intermNode) = context->addFunctionDefinition(*((yyvsp[-2].interm).function), (yyvsp[-2].interm).intermAggregate, (yyvsp[0].interm.intermAggregate), (yylsp[-2]));
}
break;
......
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