motiejus/zig
1
Fork 0
Code Releases Activity

more detailed AST inspection

Browse Source
This commit is contained in:
Andrew Kelley
2015-11-23 21:45:10 -07:00
parent 1b24f4c73c
commit a22bc8d20a
1 changed files with 49 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
src/parser.cpp
View File

@@ -73,6 +73,54 @@ void ast_print(AstNode *node, int indent) {
break;
}
case NodeTypeBlock:
{
fprintf(stderr, "%s\n", node_type_str(node->type));
for (int i = 0; i < node->data.block.statements.length; i += 1) {
AstNode *child = node->data.block.statements.at(i);
ast_print(child, indent + 2);
}
break;
}
case NodeTypeParamDecl:
{
Buf *name_buf = &node->data.param_decl.name;
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
ast_print(node->data.param_decl.type, indent + 2);
break;
}
case NodeTypeType:
switch (node->data.type.type) {
case AstNodeTypeTypePrimitive:
{
Buf *name_buf = &node->data.type.primitive_name;
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
break;
}
case AstNodeTypeTypePointer:
{
const char *const_or_mut_str = node->data.type.is_const ? "const" : "mut";
fprintf(stderr, "'%s' PointerType\n", const_or_mut_str);
ast_print(node->data.type.child_type, indent + 2);
break;
}
}
break;
case NodeTypeStatement:
switch (node->data.statement.type) {
case AstNodeStatementTypeReturn:
fprintf(stderr, "ReturnStatement\n");
ast_print(node->data.statement.data.retrn.expression, indent + 2);
break;
case AstNodeStatementTypeExpression:
fprintf(stderr, "ExpressionStatement\n");
ast_print(node->data.statement.data.expr.expression, indent + 2);
break;
}
break;
default:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
@@ -124,6 +172,7 @@ static AstNode *ast_parse_type(ParseContext *pc, int token_index, int *new_token
node->data.type.type = AstNodeTypeTypePrimitive;
ast_buf_from_token(pc, token, &node->data.type.primitive_name);
} else if (token->id == TokenIdStar) {
node->data.type.type = AstNodeTypeTypePointer;
Token *const_or_mut = &pc->tokens->at(token_index);
token_index += 1;
if (const_or_mut->id == TokenIdKeywordMut) {