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gb_inline void print_indent(isize indent) {
while (indent --> 0)
gb_printf(" ");
}
void print_ast(AstNode *node, isize indent) {
if (node == NULL)
return;
switch (node->kind) {
case AstNode_BasicLiteral:
print_indent(indent);
print_token(node->basic_literal);
break;
case AstNode_Identifier:
print_indent(indent);
print_token(node->identifier.token);
break;
case AstNode_TagExpression:
print_indent(indent);
gb_printf("(tag)\n");
print_indent(indent+1);
print_token(node->tag_expression.name);
print_ast(node->tag_expression.expression, indent+1);
break;
case AstNode_UnaryExpression:
print_indent(indent);
print_token(node->unary_expression.op);
print_ast(node->unary_expression.operand, indent+1);
break;
case AstNode_BinaryExpression:
print_indent(indent);
print_token(node->binary_expression.op);
print_ast(node->binary_expression.left, indent+1);
print_ast(node->binary_expression.right, indent+1);
break;
case AstNode_CallExpression:
print_indent(indent);
gb_printf("(call)\n");
print_ast(node->call_expression.proc, indent+1);
print_ast(node->call_expression.arg_list, indent+1);
break;
case AstNode_SelectorExpression:
print_indent(indent);
gb_printf(".\n");
print_ast(node->selector_expression.operand, indent+1);
print_ast(node->selector_expression.selector, indent+1);
break;
case AstNode_IndexExpression:
print_indent(indent);
gb_printf("([])\n");
print_ast(node->index_expression.expression, indent+1);
print_ast(node->index_expression.value, indent+1);
break;
case AstNode_CastExpression:
print_indent(indent);
gb_printf("(cast)\n");
print_ast(node->cast_expression.type_expression, indent+1);
print_ast(node->cast_expression.operand, indent+1);
break;
case AstNode_DereferenceExpression:
print_indent(indent);
gb_printf("(dereference)\n");
print_ast(node->dereference_expression.operand, indent+1);
break;
case AstNode_ExpressionStatement:
print_ast(node->expression_statement.expression, indent);
break;
case AstNode_IncDecStatement:
print_indent(indent);
print_token(node->inc_dec_statement.op);
print_ast(node->inc_dec_statement.expression, indent+1);
break;
case AstNode_AssignStatement:
print_indent(indent);
print_token(node->assign_statement.op);
print_ast(node->assign_statement.lhs_list, indent+1);
print_ast(node->assign_statement.rhs_list, indent+1);
break;
case AstNode_BlockStatement:
print_indent(indent);
gb_printf("(block)\n");
print_ast(node->block_statement.list, indent+1);
break;
case AstNode_IfStatement:
print_indent(indent);
gb_printf("(if)\n");
print_ast(node->if_statement.cond, indent+1);
print_ast(node->if_statement.body, indent+1);
if (node->if_statement.else_statement) {
print_indent(indent);
gb_printf("(else)\n");
print_ast(node->if_statement.else_statement, indent+1);
}
break;
case AstNode_ReturnStatement:
print_indent(indent);
gb_printf("(return)\n");
print_ast(node->return_statement.results, indent+1);
break;
case AstNode_ForStatement:
print_indent(indent);
gb_printf("(for)\n");
print_ast(node->for_statement.init, indent+1);
print_ast(node->for_statement.cond, indent+1);
print_ast(node->for_statement.end, indent+1);
print_ast(node->for_statement.body, indent+1);
break;
case AstNode_DeferStatement:
print_indent(indent);
gb_printf("(defer)\n");
print_ast(node->defer_statement.statement, indent+1);
break;
case AstNode_VariableDeclaration:
print_indent(indent);
if (node->variable_declaration.kind == Declaration_Mutable)
gb_printf("(decl:var,mutable)\n");
else if (node->variable_declaration.kind == Declaration_Immutable)
gb_printf("(decl:var,immutable)\n");
print_ast(node->variable_declaration.name_list, indent+1);
print_ast(node->variable_declaration.type_expression, indent+1);
print_ast(node->variable_declaration.value_list, indent+1);
break;
case AstNode_ProcedureDeclaration:
print_indent(indent);
if (node->procedure_declaration.kind == Declaration_Mutable)
gb_printf("(decl:proc,mutable)\n");
else if (node->procedure_declaration.kind == Declaration_Immutable)
gb_printf("(decl:proc,immutable)\n");
print_ast(node->procedure_declaration.procedure_type, indent+1);
print_ast(node->procedure_declaration.body, indent+1);
print_ast(node->procedure_declaration.tag_list, indent+1);
break;
case AstNode_TypeDeclaration:
print_indent(indent);
gb_printf("(type)\n");
print_ast(node->type_declaration.name, indent+1);
print_ast(node->type_declaration.type_expression, indent+1);
break;
case AstNode_ProcedureType:
print_indent(indent);
gb_printf("(type:proc)(%td -> %td)\n", node->procedure_type.param_count, node->procedure_type.result_count);
print_ast(node->procedure_type.param_list, indent+1);
if (node->procedure_type.results_list) {
print_indent(indent+1);
gb_printf("->\n");
print_ast(node->procedure_type.results_list, indent+1);
}
break;
case AstNode_Field:
print_ast(node->field.name_list, indent);
print_ast(node->field.type_expression, indent);
break;
case AstNode_PointerType:
print_indent(indent);
print_token(node->pointer_type.token);
print_ast(node->pointer_type.type_expression, indent+1);
break;
case AstNode_ArrayType:
print_indent(indent);
gb_printf("[]\n");
print_ast(node->array_type.count, indent+1);
print_ast(node->array_type.element, indent+1);
break;
case AstNode_StructType:
print_indent(indent);
gb_printf("(struct)\n");
print_ast(node->struct_type.field_list, indent+1);
break;
}
if (node->next)
print_ast(node->next, indent);
}
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