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-rw-r--r--modules/gdscript/gd_tokenizer.cpp318
1 files changed, 218 insertions, 100 deletions
diff --git a/modules/gdscript/gd_tokenizer.cpp b/modules/gdscript/gd_tokenizer.cpp
index f4e0cc8e29..95774cb6d6 100644
--- a/modules/gdscript/gd_tokenizer.cpp
+++ b/modules/gdscript/gd_tokenizer.cpp
@@ -130,12 +130,222 @@ const char *GDTokenizer::token_names[TK_MAX] = {
"Cursor"
};
+struct _bit {
+ Variant::Type type;
+ const char *text;
+};
+//built in types
+
+static const _bit _type_list[] = {
+ //types
+ { Variant::BOOL, "bool" },
+ { Variant::INT, "int" },
+ { Variant::REAL, "float" },
+ { Variant::STRING, "String" },
+ { Variant::VECTOR2, "Vector2" },
+ { Variant::RECT2, "Rect2" },
+ { Variant::TRANSFORM2D, "Transform2D" },
+ { Variant::VECTOR3, "Vector3" },
+ { Variant::RECT3, "Rect3" },
+ { Variant::PLANE, "Plane" },
+ { Variant::QUAT, "Quat" },
+ { Variant::BASIS, "Basis" },
+ { Variant::TRANSFORM, "Transform" },
+ { Variant::COLOR, "Color" },
+ { Variant::_RID, "RID" },
+ { Variant::OBJECT, "Object" },
+ { Variant::NODE_PATH, "NodePath" },
+ { Variant::DICTIONARY, "Dictionary" },
+ { Variant::ARRAY, "Array" },
+ { Variant::POOL_BYTE_ARRAY, "PoolByteArray" },
+ { Variant::POOL_INT_ARRAY, "PoolIntArray" },
+ { Variant::POOL_REAL_ARRAY, "PoolFloatArray" },
+ { Variant::POOL_STRING_ARRAY, "PoolStringArray" },
+ { Variant::POOL_VECTOR2_ARRAY, "PoolVector2Array" },
+ { Variant::POOL_VECTOR3_ARRAY, "PoolVector3Array" },
+ { Variant::POOL_COLOR_ARRAY, "PoolColorArray" },
+ { Variant::VARIANT_MAX, NULL },
+};
+
+struct _kws {
+ GDTokenizer::Token token;
+ const char *text;
+};
+
+static const _kws _keyword_list[] = {
+ //ops
+ { GDTokenizer::TK_OP_IN, "in" },
+ { GDTokenizer::TK_OP_NOT, "not" },
+ { GDTokenizer::TK_OP_OR, "or" },
+ { GDTokenizer::TK_OP_AND, "and" },
+ //func
+ { GDTokenizer::TK_PR_FUNCTION, "func" },
+ { GDTokenizer::TK_PR_CLASS, "class" },
+ { GDTokenizer::TK_PR_EXTENDS, "extends" },
+ { GDTokenizer::TK_PR_IS, "is" },
+ { GDTokenizer::TK_PR_ONREADY, "onready" },
+ { GDTokenizer::TK_PR_TOOL, "tool" },
+ { GDTokenizer::TK_PR_STATIC, "static" },
+ { GDTokenizer::TK_PR_EXPORT, "export" },
+ { GDTokenizer::TK_PR_SETGET, "setget" },
+ { GDTokenizer::TK_PR_VAR, "var" },
+ { GDTokenizer::TK_PR_PRELOAD, "preload" },
+ { GDTokenizer::TK_PR_ASSERT, "assert" },
+ { GDTokenizer::TK_PR_YIELD, "yield" },
+ { GDTokenizer::TK_PR_SIGNAL, "signal" },
+ { GDTokenizer::TK_PR_BREAKPOINT, "breakpoint" },
+ { GDTokenizer::TK_PR_REMOTE, "remote" },
+ { GDTokenizer::TK_PR_MASTER, "master" },
+ { GDTokenizer::TK_PR_SLAVE, "slave" },
+ { GDTokenizer::TK_PR_SYNC, "sync" },
+ { GDTokenizer::TK_PR_CONST, "const" },
+ { GDTokenizer::TK_PR_ENUM, "enum" },
+ //controlflow
+ { GDTokenizer::TK_CF_IF, "if" },
+ { GDTokenizer::TK_CF_ELIF, "elif" },
+ { GDTokenizer::TK_CF_ELSE, "else" },
+ { GDTokenizer::TK_CF_FOR, "for" },
+ { GDTokenizer::TK_CF_WHILE, "while" },
+ { GDTokenizer::TK_CF_DO, "do" },
+ { GDTokenizer::TK_CF_SWITCH, "switch" },
+ { GDTokenizer::TK_CF_CASE, "case" },
+ { GDTokenizer::TK_CF_BREAK, "break" },
+ { GDTokenizer::TK_CF_CONTINUE, "continue" },
+ { GDTokenizer::TK_CF_RETURN, "return" },
+ { GDTokenizer::TK_CF_MATCH, "match" },
+ { GDTokenizer::TK_CF_PASS, "pass" },
+ { GDTokenizer::TK_SELF, "self" },
+ { GDTokenizer::TK_CONST_PI, "PI" },
+ { GDTokenizer::TK_WILDCARD, "_" },
+ { GDTokenizer::TK_CONST_INF, "INF" },
+ { GDTokenizer::TK_CONST_NAN, "NAN" },
+ { GDTokenizer::TK_ERROR, NULL }
+};
+
const char *GDTokenizer::get_token_name(Token p_token) {
ERR_FAIL_INDEX_V(p_token, TK_MAX, "<error>");
return token_names[p_token];
}
+bool GDTokenizer::is_token_literal(int p_offset, bool variable_safe) const {
+ switch (get_token(p_offset)) {
+ // Can always be literal:
+ case TK_IDENTIFIER:
+
+ case TK_PR_ONREADY:
+ case TK_PR_TOOL:
+ case TK_PR_STATIC:
+ case TK_PR_EXPORT:
+ case TK_PR_SETGET:
+ case TK_PR_SIGNAL:
+ case TK_PR_REMOTE:
+ case TK_PR_MASTER:
+ case TK_PR_SLAVE:
+ case TK_PR_SYNC:
+ return true;
+
+ // Literal for non-variables only:
+ case TK_BUILT_IN_TYPE:
+ case TK_BUILT_IN_FUNC:
+
+ case TK_OP_IN:
+ case TK_OP_NOT:
+ //case TK_OP_OR:
+ //case TK_OP_AND:
+
+ case TK_PR_CLASS:
+ case TK_PR_CONST:
+ case TK_PR_ENUM:
+ case TK_PR_PRELOAD:
+ case TK_PR_FUNCTION:
+ case TK_PR_EXTENDS:
+ case TK_PR_ASSERT:
+ case TK_PR_YIELD:
+ case TK_PR_VAR:
+
+ case TK_CF_IF:
+ case TK_CF_ELIF:
+ case TK_CF_ELSE:
+ case TK_CF_FOR:
+ case TK_CF_WHILE:
+ case TK_CF_DO:
+ case TK_CF_SWITCH:
+ case TK_CF_CASE:
+ case TK_CF_BREAK:
+ case TK_CF_CONTINUE:
+ case TK_CF_RETURN:
+ case TK_CF_MATCH:
+ case TK_CF_PASS:
+ case TK_SELF:
+ case TK_CONST_PI:
+ case TK_WILDCARD:
+ case TK_CONST_INF:
+ case TK_CONST_NAN:
+ case TK_ERROR:
+ return !variable_safe;
+
+ case TK_CONSTANT: {
+ switch (get_token_constant(p_offset).get_type()) {
+ case Variant::NIL:
+ case Variant::BOOL:
+ return true;
+ default:
+ return false;
+ }
+ }
+ default:
+ return false;
+ }
+}
+
+StringName GDTokenizer::get_token_literal(int p_offset) const {
+ Token token = get_token(p_offset);
+ switch (token) {
+ case TK_IDENTIFIER:
+ return get_token_identifier(p_offset);
+ case TK_BUILT_IN_TYPE: {
+ Variant::Type type = get_token_type(p_offset);
+ int idx = 0;
+
+ while (_type_list[idx].text) {
+ if (type == _type_list[idx].type) {
+ return _type_list[idx].text;
+ }
+ idx++;
+ }
+ } break; // Shouldn't get here, stuff happens
+ case TK_BUILT_IN_FUNC:
+ return GDFunctions::get_func_name(get_token_built_in_func(p_offset));
+ case TK_CONSTANT: {
+ const Variant value = get_token_constant(p_offset);
+
+ switch (value.get_type()) {
+ case Variant::NIL:
+ return "null";
+ case Variant::BOOL:
+ return value ? "true" : "false";
+ default: {}
+ }
+ }
+ case TK_OP_AND:
+ case TK_OP_OR:
+ break; // Don't get into default, since they can be non-literal
+ default: {
+ int idx = 0;
+
+ while (_keyword_list[idx].text) {
+ if (token == _keyword_list[idx].token) {
+ return _keyword_list[idx].text;
+ }
+ idx++;
+ }
+ }
+ }
+ ERR_EXPLAIN("Failed to get token literal");
+ ERR_FAIL_V("");
+}
+
static bool _is_text_char(CharType c) {
return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
@@ -779,51 +989,14 @@ void GDTokenizerText::_advance() {
bool found = false;
- struct _bit {
- Variant::Type type;
- const char *text;
- };
- //built in types
-
- static const _bit type_list[] = {
- //types
- { Variant::BOOL, "bool" },
- { Variant::INT, "int" },
- { Variant::REAL, "float" },
- { Variant::STRING, "String" },
- { Variant::VECTOR2, "Vector2" },
- { Variant::RECT2, "Rect2" },
- { Variant::TRANSFORM2D, "Transform2D" },
- { Variant::VECTOR3, "Vector3" },
- { Variant::RECT3, "Rect3" },
- { Variant::PLANE, "Plane" },
- { Variant::QUAT, "Quat" },
- { Variant::BASIS, "Basis" },
- { Variant::TRANSFORM, "Transform" },
- { Variant::COLOR, "Color" },
- { Variant::_RID, "RID" },
- { Variant::OBJECT, "Object" },
- { Variant::NODE_PATH, "NodePath" },
- { Variant::DICTIONARY, "Dictionary" },
- { Variant::ARRAY, "Array" },
- { Variant::POOL_BYTE_ARRAY, "PoolByteArray" },
- { Variant::POOL_INT_ARRAY, "PoolIntArray" },
- { Variant::POOL_REAL_ARRAY, "PoolFloatArray" },
- { Variant::POOL_STRING_ARRAY, "PoolStringArray" },
- { Variant::POOL_VECTOR2_ARRAY, "PoolVector2Array" },
- { Variant::POOL_VECTOR3_ARRAY, "PoolVector3Array" },
- { Variant::POOL_COLOR_ARRAY, "PoolColorArray" },
- { Variant::VARIANT_MAX, NULL },
- };
-
{
int idx = 0;
- while (type_list[idx].text) {
+ while (_type_list[idx].text) {
- if (str == type_list[idx].text) {
- _make_type(type_list[idx].type);
+ if (str == _type_list[idx].text) {
+ _make_type(_type_list[idx].type);
found = true;
break;
}
@@ -844,74 +1017,18 @@ void GDTokenizerText::_advance() {
break;
}
}
-
- //keywor
}
if (!found) {
-
- struct _kws {
- Token token;
- const char *text;
- };
-
- static const _kws keyword_list[] = {
- //ops
- { TK_OP_IN, "in" },
- { TK_OP_NOT, "not" },
- { TK_OP_OR, "or" },
- { TK_OP_AND, "and" },
- //func
- { TK_PR_FUNCTION, "func" },
- { TK_PR_CLASS, "class" },
- { TK_PR_EXTENDS, "extends" },
- { TK_PR_IS, "is" },
- { TK_PR_ONREADY, "onready" },
- { TK_PR_TOOL, "tool" },
- { TK_PR_STATIC, "static" },
- { TK_PR_EXPORT, "export" },
- { TK_PR_SETGET, "setget" },
- { TK_PR_VAR, "var" },
- { TK_PR_PRELOAD, "preload" },
- { TK_PR_ASSERT, "assert" },
- { TK_PR_YIELD, "yield" },
- { TK_PR_SIGNAL, "signal" },
- { TK_PR_BREAKPOINT, "breakpoint" },
- { TK_PR_REMOTE, "remote" },
- { TK_PR_MASTER, "master" },
- { TK_PR_SLAVE, "slave" },
- { TK_PR_SYNC, "sync" },
- { TK_PR_CONST, "const" },
- { TK_PR_ENUM, "enum" },
- //controlflow
- { TK_CF_IF, "if" },
- { TK_CF_ELIF, "elif" },
- { TK_CF_ELSE, "else" },
- { TK_CF_FOR, "for" },
- { TK_CF_WHILE, "while" },
- { TK_CF_DO, "do" },
- { TK_CF_SWITCH, "switch" },
- { TK_CF_CASE, "case" },
- { TK_CF_BREAK, "break" },
- { TK_CF_CONTINUE, "continue" },
- { TK_CF_RETURN, "return" },
- { TK_CF_MATCH, "match" },
- { TK_CF_PASS, "pass" },
- { TK_SELF, "self" },
- { TK_CONST_PI, "PI" },
- { TK_WILDCARD, "_" },
- { TK_CONST_INF, "INF" },
- { TK_CONST_NAN, "NAN" },
- { TK_ERROR, NULL }
- };
+ //keyword
int idx = 0;
found = false;
- while (keyword_list[idx].text) {
+ while (_keyword_list[idx].text) {
- if (str == keyword_list[idx].text) {
- _make_token(keyword_list[idx].token);
+ if (str == _keyword_list[idx].text) {
+ _make_token(_keyword_list[idx].token);
found = true;
break;
}
@@ -992,6 +1109,7 @@ const Variant &GDTokenizerText::get_token_constant(int p_offset) const {
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_CONSTANT, tk_rb[0].constant);
return tk_rb[ofs].constant;
}
+
StringName GDTokenizerText::get_token_identifier(int p_offset) const {
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, StringName());