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path: root/modules/gdscript/gd_parser.cpp
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Diffstat (limited to 'modules/gdscript/gd_parser.cpp')
-rw-r--r--modules/gdscript/gd_parser.cpp82
1 files changed, 72 insertions, 10 deletions
diff --git a/modules/gdscript/gd_parser.cpp b/modules/gdscript/gd_parser.cpp
index 283b50f966..571d340957 100644
--- a/modules/gdscript/gd_parser.cpp
+++ b/modules/gdscript/gd_parser.cpp
@@ -170,6 +170,7 @@ void GDParser::_make_completable_call(int p_arg) {
completion_line=tokenizer->get_token_line();
completion_argument=p_arg;
completion_block=current_block;
+ completion_found=true;
tokenizer->advance();
}
@@ -190,6 +191,7 @@ bool GDParser::_get_completable_identifier(CompletionType p_type,StringName& ide
completion_function=current_function;
completion_line=tokenizer->get_token_line();
completion_block=current_block;
+ completion_found=true;
tokenizer->advance();
if (tokenizer->get_token()==GDTokenizer::TK_IDENTIFIER) {
@@ -1414,6 +1416,20 @@ GDParser::Node* GDParser::_parse_and_reduce_expression(Node *p_parent,bool p_sta
return expr;
}
+bool GDParser::_recover_from_completion() {
+
+ if (!completion_found) {
+ return false; //can't recover if no completion
+ }
+ //skip stuff until newline
+ while(tokenizer->get_token()!=GDTokenizer::TK_NEWLINE && tokenizer->get_token()!=GDTokenizer::TK_EOF) {
+ tokenizer->advance();
+ }
+ completion_found=false;
+ error_set=false;
+ return true;
+}
+
void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
int indent_level = tab_level.back()->get();
@@ -1511,8 +1527,14 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
Node *subexpr=NULL;
subexpr = _parse_and_reduce_expression(p_block,p_static);
- if (!subexpr)
+ if (!subexpr) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
+
+
lv->assign=subexpr;
assigned=subexpr;
@@ -1543,8 +1565,12 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
tokenizer->advance();
Node *condition = _parse_and_reduce_expression(p_block,p_static);
- if (!condition)
+ if (!condition) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
ControlFlowNode *cf_if = alloc_node<ControlFlowNode>();
@@ -1598,8 +1624,12 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
//condition
Node *condition = _parse_and_reduce_expression(p_block,p_static);
- if (!condition)
+ if (!condition) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
cf_else->arguments.push_back(condition);
cf_else->cf_type=ControlFlowNode::CF_IF;
@@ -1660,8 +1690,12 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
tokenizer->advance();
Node *condition = _parse_and_reduce_expression(p_block,p_static);
- if (!condition)
+ if (!condition) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
ControlFlowNode *cf_while = alloc_node<ControlFlowNode>();
@@ -1706,8 +1740,12 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
tokenizer->advance();
Node *container = _parse_and_reduce_expression(p_block,p_static);
- if (!container)
+ if (!container) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
ControlFlowNode *cf_for = alloc_node<ControlFlowNode>();
@@ -1771,8 +1809,12 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
} else {
//expect expression
Node *retexpr = _parse_and_reduce_expression(p_block,p_static);
- if (!retexpr)
+ if (!retexpr) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
cf_return->arguments.push_back(retexpr);
p_block->statements.push_back(cf_return);
if (!_end_statement()) {
@@ -1787,8 +1829,12 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
tokenizer->advance();
Node *condition = _parse_and_reduce_expression(p_block,p_static);
- if (!condition)
+ if (!condition) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
AssertNode *an = alloc_node<AssertNode>();
an->condition=condition;
p_block->statements.push_back(an);
@@ -1801,8 +1847,12 @@ void GDParser::_parse_block(BlockNode *p_block,bool p_static) {
default: {
Node *expression = _parse_and_reduce_expression(p_block,p_static,false,true);
- if (!expression)
+ if (!expression) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
p_block->statements.push_back(expression);
if (!_end_statement()) {
_set_error("Expected end of statement after expression.");
@@ -2626,8 +2676,12 @@ void GDParser::_parse_class(ClassNode *p_class) {
Node *subexpr=NULL;
subexpr = _parse_and_reduce_expression(p_class,false,autoexport);
- if (!subexpr)
+ if (!subexpr) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
member.expression=subexpr;
@@ -2756,8 +2810,12 @@ void GDParser::_parse_class(ClassNode *p_class) {
Node *subexpr=NULL;
subexpr = _parse_and_reduce_expression(p_class,true,true);
- if (!subexpr)
+ if (!subexpr) {
+ if (_recover_from_completion()) {
+ break;
+ }
return;
+ }
if (subexpr->type!=Node::TYPE_CONSTANT) {
_set_error("Expected constant expression");
@@ -2852,6 +2910,7 @@ Error GDParser::parse_bytecode(const Vector<uint8_t> &p_bytecode,const String& p
completion_class=NULL;
completion_function=NULL;
completion_block=NULL;
+ completion_found=false;
current_block=NULL;
current_class=NULL;
current_function=NULL;
@@ -2874,6 +2933,7 @@ Error GDParser::parse(const String& p_code, const String& p_base_path, bool p_ju
completion_class=NULL;
completion_function=NULL;
completion_block=NULL;
+ completion_found=false;
current_block=NULL;
current_class=NULL;
@@ -2917,6 +2977,8 @@ void GDParser::clear() {
current_block=NULL;
current_class=NULL;
+ completion_found=false;
+
current_function=NULL;
validating=false;