X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fvalidate.cpp;h=e025a61bcfaa0026cdcc18fa9866070f24a5aad3;hb=7a62eb7f7550df161656616f2ece5a094b754392;hp=ea2e956d023f1e02d66b44b7771186542076dd28;hpb=d18df036b247f7f0978b547bb8ea1d624af2c4b2;p=libs%2Fgl.git diff --git a/source/glsl/validate.cpp b/source/glsl/validate.cpp index ea2e956d..e025a61b 100644 --- a/source/glsl/validate.cpp +++ b/source/glsl/validate.cpp @@ -2,6 +2,7 @@ #include #include #include +#include #include "validate.h" using namespace std; @@ -88,17 +89,17 @@ void TypeValidator::visit(VariableDeclaration &var) } -DeclarationValidator::DeclarationValidator(): +IdentifierValidator::IdentifierValidator(): anonymous_block(false) { } -void DeclarationValidator::multiple_definition(const string &name, Statement &statement, Statement &previous) +void IdentifierValidator::multiple_definition(const string &name, Statement &statement, Statement &previous) { error(statement, format("Multiple definition of %s", name)); add_info(previous, "Previous definition is here"); } -Statement *DeclarationValidator::find_definition(const string &name) +Statement *IdentifierValidator::find_definition(const string &name) { BlockDeclarationMap *decls = &declarations[current_block]; BlockDeclarationMap::const_iterator i = decls->find(name); @@ -110,7 +111,7 @@ Statement *DeclarationValidator::find_definition(const string &name) return (i!=decls->end() ? i->second : 0); } -void DeclarationValidator::check_definition(const string &name, Statement &statement) +void IdentifierValidator::check_definition(const string &name, Statement &statement) { if(Statement *previous = find_definition(name)) multiple_definition(format("'%s'", name), statement, *previous); @@ -118,46 +119,46 @@ void DeclarationValidator::check_definition(const string &name, Statement &state record_definition(name, statement); } -void DeclarationValidator::record_definition(const string &name, Statement &statement) +void IdentifierValidator::record_definition(const string &name, Statement &statement) { declarations[current_block].insert(make_pair(name, &statement)); if(anonymous_block) declarations[current_block->parent].insert(make_pair(name, &statement)); } -void DeclarationValidator::visit(TypeDeclaration &type) +void IdentifierValidator::visit(TypeDeclaration &type) { check_definition(type.name, type); } -void DeclarationValidator::visit(StructDeclaration &strct) +void IdentifierValidator::visit(StructDeclaration &strct) { check_definition(strct.name, strct); TraversingVisitor::visit(strct); } -void DeclarationValidator::visit(VariableDeclaration &var) +void IdentifierValidator::visit(VariableDeclaration &var) { check_definition(var.name, var); TraversingVisitor::visit(var); } -void DeclarationValidator::visit(InterfaceBlock &iface) +void IdentifierValidator::visit(InterfaceBlock &iface) { - string key = iface.interface+iface.name; + string key = iface.interface+iface.block_name; map::const_iterator i = interface_blocks.find(key); if(i!=interface_blocks.end()) - multiple_definition(format("interface block '%s %s'", iface.interface, iface.name), iface, *i->second); + multiple_definition(format("interface block '%s %s'", iface.interface, iface.block_name), iface, *i->second); else interface_blocks.insert(make_pair(key, &iface)); - if(Statement *previous = find_definition(iface.name)) + if(Statement *previous = find_definition(iface.block_name)) { if(!dynamic_cast(previous)) - multiple_definition(format("'%s'", iface.name), iface, *previous); + multiple_definition(format("'%s'", iface.block_name), iface, *previous); } else - record_definition(iface.name, iface); + record_definition(iface.block_name, iface); if(!iface.instance_name.empty()) check_definition(iface.instance_name, iface); @@ -171,19 +172,30 @@ void DeclarationValidator::visit(InterfaceBlock &iface) } } -void DeclarationValidator::visit(FunctionDeclaration &func) +void IdentifierValidator::visit(FunctionDeclaration &func) { + string key = func.name+func.signature; + map::const_iterator i = overloaded_functions.find(key); + if(i==overloaded_functions.end()) + overloaded_functions.insert(make_pair(key, &func)); + else if(func.return_type_declaration && i->second->return_type_declaration!=func.return_type_declaration) + { + error(func, format("Conflicting return type '%s' for function '%s'", func.return_type_declaration->name, func.name)); + if(i->second->return_type_declaration) + add_info(*i->second, format("Previously declared as returning '%s'", i->second->return_type_declaration->name)); + } + if(Statement *previous = find_definition(func.name)) { - FunctionDeclaration *prev_func = dynamic_cast(previous); - if(prev_func && prev_func->definition==&func) - declarations[current_block][func.name] = &func; - else + if(!dynamic_cast(previous)) multiple_definition(format("'%s'", func.name), func, *previous); } else record_definition(func.name, func); + if(func.definition==&func) + check_definition(func.name+func.signature, func); + TraversingVisitor::visit(func); } @@ -204,7 +216,7 @@ void ReferenceValidator::visit(VariableReference &var) { if(!var.declaration) error(var, format("Use of undeclared variable '%s'", var.name)); - else if(stage->type!=Stage::VERTEX && var.declaration->interface=="in" && !var.declaration->linked_declaration) + else if(stage->type!=Stage::VERTEX && var.declaration->interface=="in" && var.name.compare(0, 3, "gl_") && !var.declaration->linked_declaration) error(var, format("Use of unlinked input variable '%s'", var.name)); } @@ -225,6 +237,38 @@ void ReferenceValidator::visit(InterfaceBlockReference &iface) error(iface, format("Use of unlinked input block '%s'", iface.name)); } +void ReferenceValidator::visit(FunctionCall &call) +{ + if((!call.constructor && !call.declaration) || (call.constructor && !call.type)) + { + bool have_declaration = call.constructor; + if(!call.constructor) + { + map::iterator i = stage->functions.lower_bound(call.name); + have_declaration = (i!=stage->functions.end() && i->second->name==call.name); + } + + if(have_declaration) + { + bool valid_types = true; + string signature; + for(NodeArray::const_iterator j=call.arguments.begin(); (valid_types && j!=call.arguments.end()); ++j) + { + if((*j)->type) + append(signature, ", ", (*j)->type->name); + else + valid_types = false; + } + + if(valid_types) + error(call, format("No matching %s found for '%s(%s)'", (call.constructor ? "constructor" : "overload"), call.name, signature)); + } + else + error(call, format("Call to undeclared function '%s'", call.name)); + } + TraversingVisitor::visit(call); +} + void ReferenceValidator::visit(VariableDeclaration &var) { if(!var.type_declaration) @@ -235,7 +279,7 @@ void ReferenceValidator::visit(VariableDeclaration &var) void ReferenceValidator::visit(InterfaceBlock &iface) { if(!iface.struct_declaration) - error(iface, format("Interface block '%s %s' lacks a struct declaration", iface.interface, iface.name)); + error(iface, format("Interface block '%s %s' lacks a struct declaration", iface.interface, iface.block_name)); TraversingVisitor::visit(iface); } @@ -300,8 +344,14 @@ void ExpressionValidator::visit(UnaryExpression &unary) void ExpressionValidator::visit(BinaryExpression &binary) { if(!binary.type && binary.left->type && binary.right->type) - error(binary, format("No matching operator '%s' found for '%s' and '%s'", - binary.oper->token, binary.left->type->name, binary.right->type->name)); + { + if(binary.oper->token[0]=='[') + error(binary, format("Can't index element of '%s' with '%s'", + binary.left->type->name, binary.right->type->name)); + else + error(binary, format("No matching operator '%s' found for '%s' and '%s'", + binary.oper->token, binary.left->type->name, binary.right->type->name)); + } TraversingVisitor::visit(binary); } @@ -327,6 +377,20 @@ void ExpressionValidator::visit(Assignment &assign) TraversingVisitor::visit(assign); } +void ExpressionValidator::visit(TernaryExpression &ternary) +{ + if(ternary.condition->type) + { + BasicTypeDeclaration *basic_cond = dynamic_cast(ternary.condition->type); + if(!basic_cond || basic_cond->kind!=BasicTypeDeclaration::BOOL) + error(ternary, "Ternary operator condition is not a boolean"); + else if(!ternary.type && ternary.true_expr->type && ternary.false_expr->type) + error(ternary, format("Ternary operator has incompatible types '%s' and '%s'", + ternary.true_expr->type->name, ternary.false_expr->type->name)); + } + TraversingVisitor::visit(ternary); +} + void ExpressionValidator::visit(VariableDeclaration &var) { if(var.init_expression && var.init_expression->type && var.type_declaration && var.init_expression->type!=var.type_declaration)