youmuliu/stgsharp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Daily update on 20250324-100332 by Nitload Youmu. Additional Message : Single line syntax analyzer ok, gonging on unit test of multi line, func call. Then building branch, loop, area syntax analyzer. Some of descriptors not supported.

Browse Source 
Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
This commit is contained in:
Nitload
2025-03-24 10:03:32 +08:00
parent 148b0fed4a
commit ffd5825a05
52 changed files with 522 additions and 560 deletions
Download Patch File Download Diff File Expand all files Collapse all files
StgSharp.Script/Express/ExpNodeGenerator.OperatorParser.cs
+32 -27
View File
@@ -34,7 +34,7 @@ using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ExpKeyword = StgSharp.Script.Express.ExpressCompile.KeyWord;
using ExpKeyword = StgSharp.Script.Express.ExpressCompile.Keyword;
namespace StgSharp.Script.Express
{
@@ -43,17 +43,16 @@ namespace StgSharp.Script.Express
public int CompareOperatorPrecedence( Token left, Token right )
{
ExpressCompile.TryGetOperatorPrecedence(
left.Value, out int leftPrecedence );
ExpressCompile.TryGetOperatorPrecedence(
right.Value, out int rightPrecedence );
ExpressCompile.TryGetOperatorPrecedence( left.Value, out int leftPrecedence );
ExpressCompile.TryGetOperatorPrecedence( right.Value, out int rightPrecedence );
return leftPrecedence - rightPrecedence;
}
public bool TryGenerateUnaryNode( Token t, out ExpNode node )
{
ExpNode operand = GetNextOperandCache();
switch( t.Value ) {
switch( t.Value )
{
case ExpKeyword.UnaryPlus:
node = ExpUnaryOperatorNode.UnaryPlus( t, operand );
return true;
@@ -70,12 +69,13 @@ namespace StgSharp.Script.Express
}
/// <summary>
/// WARNING: This method cannot process INDEXOF, FUNCTION CALLING, LOOP and any ENDING
/// SYMBOLS.
/// WARNING: This method cannot process INDEXOF, FUNCTION CALLING, LOOP and any ENDING
/// SYMBOLS.
/// </summary>
private ExpNode ConvertOneOperator( Token op )
private ExpNode ConvertAndPushOneOperator( Token op )
{
switch( op.Flag ) {
switch( op.Flag )
{
case TokenFlag.Symbol_Unary:
TryGenerateUnaryNode( op, out ExpNode? node );
_cache.PushOperand( node );
@@ -85,31 +85,32 @@ namespace StgSharp.Script.Express
_cache.PushOperand( node );
return node;
case TokenFlag.Member:
if( _context.TryGetFunction(
op.Value, out ExpFunctionSource? f ) ) {
if( !_cache.PopOperand( out Token t,
out ExpNode? p ) ) {
node = ExpFunctionCallingNode.CallFunction(
op, f, p );
if( _context.TryGetFunction( op.Value, out ExpFunctionSource? f ) )
{
if( !_cache.PopOperand( out Token t, out ExpNode? p ) )
{
node = ExpFunctionCallingNode.CallFunction( op, f, p );
return node;
} else {
} else
{
throw new ExpCompileException(
t,
"An ExpNode for function calling is needed, but a token was popped" );
}
} else if( ExpSchema.BuiltinSchema
.TryGetFunction( op.Value, out f ) ) {
if( !_cache.PopOperand( out Token t,
out ExpNode? p ) ) {
node = ExpFunctionCallingNode.CallFunction(
op, f, p );
} else if( ExpSchema.BuiltinSchema.TryGetFunction( op.Value, out f ) )
{
if( !_cache.PopOperand( out Token t, out ExpNode? p ) )
{
node = ExpFunctionCallingNode.CallFunction( op, f, p );
return node;
} else {
} else
{
throw new ExpCompileException(
t,
"An ExpNode for function calling is needed, but a token was popped" );
}
} else {
} else
{
throw new NotImplementedException();
//uncertain case here
@@ -121,9 +122,10 @@ namespace StgSharp.Script.Express
private bool TryGenerateBinaryNode( Token t, out ExpNode node )
{
ExpNode left = GetNextOperandCache();
ExpNode right = GetNextOperandCache();
switch( t.Value ) {
ExpNode left = GetNextOperandCache();
switch( t.Value )
{
case ExpKeyword.Add:
node = ExpBinaryOperatorNode.Add( t, left, right );
return true;
@@ -148,6 +150,9 @@ namespace StgSharp.Script.Express
case ExpKeyword.LessThan:
node = ExpBinaryOperatorNode.LessThan( t, left, right );
return true;
case ExpKeyword.Assignment:
node = ExpBinaryOperatorNode.Assign( t, left, right );
return true;
default:
node = ExpNode.Empty;
return false;