Nitload
16b813646d
Change: Preprocess to token scheduled, less dependency on type prediction, which put to LINK or C# compiling pase Design: the EXPRESS lang feature "FIXED" keyword not supported, builtin type binary not supported, not used in STEP AP203 and much too complex to make a full marshal implementation in C#. Add: Node generating method to generate literal node Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
103 lines
4.2 KiB
C#
103 lines
4.2 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="ExpNodeGenerator.FunctionCalling.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using static StgSharp.Script.Express.ExpCompile;
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namespace StgSharp.Script.Express
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{
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public partial class ExpNodeGenerator
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{
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private bool _isCallingFunction = false;
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private List<CompileDepthMark> _funcCallDepthCount = new List<CompileDepthMark>(
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);
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private void EnterFunctionCalling()
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{
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_isCallingFunction = true;
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CompileDepthMark mark = _cache.IncreaseDepth();
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_funcCallDepthCount.Add( mark );
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}
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private void ExitFunctionCalling()
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{
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CompileDepthMark mark = _funcCallDepthCount.Last();
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if( _funcCallDepthCount.Count == 0 ) {
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_isCallingFunction = false;
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}
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}
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//checking _operandAheadOfDepth can be used to check if the function calling has no param.
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//put one of param to tail of function calling pram expression node
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/// <summary>
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/// Compile a parameter expression and add it to head of function parameter node list.
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/// </summary>
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private void MergeFunctionCallingParameter( Token currentSeparator )
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{
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if( _cache.OperandAheadOfDepth == 1 ) {
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if( _cache.PopOperand( out Token t, out ExpNode? n ) ) {
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n!.PrependNode( ExpNode.NonOperation( currentSeparator ) );
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} else {
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switch( t.Flag ) {
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case TokenFlag.Number:
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if( int.TryParse( t.Value, out int intVal ) ) {
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n = new ExpIntNode( t, intVal );
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} else if( float.TryParse(
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t.Value, out float floatVal ) ) {
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n = new ExpRealNumberNode( t, floatVal );
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}
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break;
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case TokenFlag.String:
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n = new ExpStringNode( t, t.Value );
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break;
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case TokenFlag.Member:
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// case1: name of a instance, make ref copy
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// case2: name of a function, make a function call
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// case3: unknown, make a instance member node, check while link
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break;
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default:
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break;
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}
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}
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} else {
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//TODO compile the param expression
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}
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}
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}
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}
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