finish recognization part of bmap binding

CodeGen/BMapBindings/ExpFctsWalker.java

@@ -1,6 +1,123 @@
+import java.util.Collections;
+import java.util.Vector;
+import java.util.stream.Collectors;
+
 import org.antlr.v4.runtime.*;
 import org.antlr.v4.runtime.tree.*;
 
 public class ExpFctsWalker extends ExpFctsParserBaseListener {
-	
+
+	public ExpFctsWalker() {
+		mFctList = new Vector<ExpFctDecl>();
+		mCurrentFct = null;
+		mCurrentParam = null;
+	}
+
+	public Vector<ExpFctDecl> getResult() {
+		return mFctList;
+	}
+
+	private Vector<ExpFctDecl> mFctList;
+	private ExpFctDecl mCurrentFct;
+	private ExpFctParamDecl mCurrentParam;
+
+	@Override
+	public void enterProgram(ExpFctsParser.ProgramContext ctx) {
+		mFctList.clear();
+	}
+
+	@Override
+	public void enterFctDecl(ExpFctsParser.FctDeclContext ctx) {
+		mCurrentFct = new ExpFctDecl();
+	}
+
+	@Override
+	public void exitFctDecl(ExpFctsParser.FctDeclContext ctx) {
+		mCurrentFct.mFctName = ctx.EXPFCTS_IDENTIFIER().getText();
+		mFctList.add(mCurrentFct);
+		mCurrentFct = null;
+	}
+
+	@Override
+	public void exitFctArgFileDecl(ExpFctsParser.FctArgFileDeclContext ctx) {
+		ExpFctParamDecl decl = new ExpFctParamDecl();
+		decl.mVarName = ctx.EXPFCTS_IDENTIFIER().getText();
+		decl.mIsInput = true;
+		decl.mVarType.fromCType("BMap::BMFile*");
+		mCurrentFct.mFctParams.add(decl);
+	}
+
+	@Override
+	public void exitFctArgMeshTransDecl(ExpFctsParser.FctArgMeshTransDeclContext ctx) {
+		ExpFctParamDecl decl = new ExpFctParamDecl();
+		decl.mVarName = ctx.EXPFCTS_IDENTIFIER().getText();
+		decl.mIsInput = true;
+		decl.mVarType.fromCType("BMap::BMMeshTransition*");
+		mCurrentFct.mFctParams.add(decl);
+	}
+
+	@Override
+	public void exitFctArgObjDecl(ExpFctsParser.FctArgObjDeclContext ctx) {
+		ExpFctParamDecl first_decl = new ExpFctParamDecl();
+		first_decl.mVarName = ctx.EXPFCTS_IDENTIFIER(0).getText();
+		first_decl.mIsInput = true;
+		first_decl.mVarType.fromCType("BMap::BMFile*");
+		mCurrentFct.mFctParams.add(first_decl);
+
+		ExpFctParamDecl second_decl = new ExpFctParamDecl();
+		second_decl.mVarName = ctx.EXPFCTS_IDENTIFIER(1).getText();
+		second_decl.mIsInput = true;
+		second_decl.mVarType.fromCType("LibCmo::CK2::CK_ID");
+		mCurrentFct.mFctParams.add(second_decl);
+	}
+
+	@Override
+	public void enterFctArgParamIn(ExpFctsParser.FctArgParamInContext ctx) {
+		mCurrentParam = new ExpFctParamDecl();
+	}
+
+	@Override
+	public void exitFctArgParamIn(ExpFctsParser.FctArgParamInContext ctx) {
+		mCurrentParam.mVarName = ctx.EXPFCTS_IDENTIFIER().getText();
+		mCurrentParam.mIsInput = true;
+		
+		mCurrentFct.mFctParams.add(mCurrentParam);
+		mCurrentParam = null;
+	}
+
+	@Override
+	public void enterFctArgParamOut(ExpFctsParser.FctArgParamOutContext ctx) {
+		mCurrentParam = new ExpFctParamDecl();
+	}
+
+	@Override
+	public void exitFctArgParamOut(ExpFctsParser.FctArgParamOutContext ctx) {
+		mCurrentParam.mVarName = ctx.EXPFCTS_IDENTIFIER().getText();
+		mCurrentParam.mIsInput = false;
+		// set to its pointer type
+		//mCurrentParam.mVarType = mCurrentParam.mVarType.getPointerOfThis();
+		
+		mCurrentFct.mFctParams.add(mCurrentParam);
+		mCurrentParam = null;
+	}
+
+	@Override
+	public void exitVarType(ExpFctsParser.VarTypeContext ctx) {
+		// get namespace parts and join them
+		String ctype = ctx.EXPFCTS_IDENTIFIER().stream().map(value -> value.getText())
+				.collect(Collectors.joining("::"));
+		// add star if necessary
+		if (ctx.EXPFCTS_STAR() != null) {
+			ctype += String.join("", Collections.nCopies(ctx.EXPFCTS_STAR().size(), "*"));
+		}
+		
+		if (!mCurrentFct.mFctRetType.isValid()) {
+			// fill function ret type first
+			mCurrentFct.mFctRetType.fromCType(ctype);
+		} else {
+			// otherwise, fill param data
+			mCurrentParam.mVarType.fromCType(ctype);
+		}
+	}
+
 }