set up semantic visitor

src/ast/semanticvisitor.cpp

@@ -0,0 +1,178 @@
+#include "astnode_visitor.h"
+#include "tools.h"
+
+// Structural AST Nodes
+void ASTSemanticCheckVisitor::ActuralVisit(FuncDef_ASTNode *node) { node->func_body->accept(this); }
+
+void ASTSemanticCheckVisitor::ActuralVisit(ClassDef_ASTNode *node) {
+  for (auto ch : node->sorted_children) {
+    ch->accept(this);
+  }
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(Program_ASTNode *node) {
+  for (auto ch : node->sorted_children) {
+    ch->accept(this);
+  }
+}
+
+// Statement AST Nodes
+void ASTSemanticCheckVisitor::ActuralVisit(EmptyStatement_ASTNode *node) {}
+
+void ASTSemanticCheckVisitor::ActuralVisit(DefinitionStatement_ASTNode *node) {
+  auto cur_scope = node->current_scope;
+  for (const auto &var : node->vars) {
+    if (!cur_scope->add_variable(var.first, node->var_type)) {
+      throw SemanticError("Variable redefinition for " + var.first, 1);
+    }
+  }
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(ExprStatement_ASTNode *node) { node->expr->accept(this); }
+
+void ASTSemanticCheckVisitor::ActuralVisit(IfStatement_ASTNode *node) {
+  node->condition->accept(this);
+  node->if_clause->accept(this);
+  if (node->has_else_clause) {
+    node->else_clause->accept(this);
+  }
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(WhileStatement_ASTNode *node) {
+  node->condition->accept(this);
+  node->loop_body->accept(this);
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(ForStatement_ASTNode *node) {
+  if (node->initial) {
+    node->initial->accept(this);
+  }
+  if (node->condition) {
+    node->condition->accept(this);
+  }
+  if (node->update) {
+    node->update->accept(this);
+  }
+  node->loop_body->accept(this);
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(JmpStatement_ASTNode *node) {}
+
+void ASTSemanticCheckVisitor::ActuralVisit(SuiteStatement_ASTNode *node) {
+  for (auto ch : node->statements) {
+    ch->accept(this);
+  }
+}
+
+// Expression AST Nodes
+void ASTSemanticCheckVisitor::ActuralVisit(NewArrayExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(NewConstructExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(NewExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(AccessExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(IndexExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(SuffixExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(PrefixExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(OppositeExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(LNotExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(BNotExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(MDMExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(PMExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(RLExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(GGLLExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(NEExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(BAndExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(BXorExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(BOrExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(LAndExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(LOrExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(TernaryExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(AssignExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(ThisExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(ParenExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(IDExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(FunctionCallExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(FormattedStringExpr_ASTNode *node) {
+  // TODO: Implement this method
+}
+
+void ASTSemanticCheckVisitor::ActuralVisit(ConstantExpr_ASTNode *node) {
+  // TODO: Implement this method
+}