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#include "parser.hpp"
#include <stdarg.h>
#include <stdio.h>
void ast_error(Token *token, const char *format, ...) {
int line = token->start_line + 1;
int column = token->start_column + 1;
va_list ap;
va_start(ap, format);
fprintf(stderr, "Error: Line %d, column %d: ", line, column);
vfprintf(stderr, format, ap);
fprintf(stderr, "\n");
va_end(ap);
exit(EXIT_FAILURE);
}
const char *node_type_str(NodeType node_type) {
switch (node_type) {
case NodeTypeRoot:
return "Root";
case NodeTypeFnDecl:
return "FnDecl";
case NodeTypeParamDecl:
return "ParamDecl";
case NodeTypeType:
return "Type";
case NodeTypePointerType:
return "PointerType";
case NodeTypeBlock:
return "Block";
case NodeTypeStatement:
return "Statement";
case NodeTypeExpressionStatement:
return "ExpressionStatement";
case NodeTypeReturnStatement:
return "ReturnStatement";
case NodeTypeExpression:
return "Expression";
case NodeTypeFnCall:
return "FnCall";
}
zig_panic("unreachable");
}
void ast_print(AstNode *node, int indent) {
for (int i = 0; i < indent; i += 1) {
fprintf(stderr, " ");
}
switch (node->type) {
case NodeTypeRoot:
fprintf(stderr, "%s\n", node_type_str(node->type));
for (int i = 0; i < node->data.root.fn_decls.length; i += 1) {
AstNode *child = node->data.root.fn_decls.at(i);
ast_print(child, indent + 2);
}
break;
case NodeTypeFnDecl:
{
Buf *name_buf = &node->data.fn_decl.name;
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
for (int i = 0; i < node->data.fn_decl.params.length; i += 1) {
AstNode *child = node->data.fn_decl.params.at(i);
ast_print(child, indent + 2);
}
ast_print(node->data.fn_decl.return_type, indent + 2);
ast_print(node->data.fn_decl.body, indent + 2);
break;
}
default:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
}
}
AstNode *ast_create_root(Token *token) {
return nullptr;
}
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