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Example 1 with LetExpr

use of com.sun.tools.javac.tree.JCTree.LetExpr in project ceylon-compiler by ceylon.

the class JavaPositionsRetriever method getJavaSourceCodeWithCeylonPositions.

public String getJavaSourceCodeWithCeylonPositions() {
    final CharArrayWriter writer = new CharArrayWriter();
    Pretty printer = new Pretty(writer, true) {

        int previousCeylonPosition = -1;

        int previousPositionInString = 0;

        private void outputCeylonPosition(JCTree tree) {
            try {
                int currentCeylonPosition = tree.getPreferredPosition();
                int currentPositionInString = writer.size();
                if (previousCeylonPosition != currentCeylonPosition || previousPositionInString != currentPositionInString) {
                    if (currentCeylonPosition != -1 && currentCeylonPosition != 0) {
                        writer.write("/* " + formatCeylonPosition(currentCeylonPosition) + " */");
                    }
                    previousCeylonPosition = currentCeylonPosition;
                    previousPositionInString = writer.size();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        @Override
        public void visitTopLevel(JCCompilationUnit tree) {
            outputCeylonPosition(tree);
            super.visitTopLevel(tree);
        }

        @Override
        public void visitImport(JCImport tree) {
            outputCeylonPosition(tree);
            super.visitImport(tree);
        }

        @Override
        public void visitClassDef(JCClassDecl tree) {
            outputCeylonPosition(tree);
            super.visitClassDef(tree);
        }

        @Override
        public void visitMethodDef(JCMethodDecl tree) {
            outputCeylonPosition(tree);
            super.visitMethodDef(tree);
        }

        @Override
        public void visitVarDef(JCVariableDecl tree) {
            outputCeylonPosition(tree);
            super.visitVarDef(tree);
        }

        @Override
        public void visitSkip(JCSkip tree) {
            outputCeylonPosition(tree);
            super.visitSkip(tree);
        }

        @Override
        public void visitBlock(JCBlock tree) {
            outputCeylonPosition(tree);
            super.visitBlock(tree);
            tree.endpos = currentPosition - 1;
        }

        @Override
        public void visitDoLoop(JCDoWhileLoop tree) {
            outputCeylonPosition(tree);
            super.visitDoLoop(tree);
        }

        @Override
        public void visitWhileLoop(JCWhileLoop tree) {
            outputCeylonPosition(tree);
            super.visitWhileLoop(tree);
        }

        @Override
        public void visitForLoop(JCForLoop tree) {
            outputCeylonPosition(tree);
            super.visitForLoop(tree);
        }

        @Override
        public void visitForeachLoop(JCEnhancedForLoop tree) {
            outputCeylonPosition(tree);
            super.visitForeachLoop(tree);
        }

        @Override
        public void visitLabelled(JCLabeledStatement tree) {
            outputCeylonPosition(tree);
            super.visitLabelled(tree);
        }

        @Override
        public void visitSwitch(JCSwitch tree) {
            outputCeylonPosition(tree);
            super.visitSwitch(tree);
        }

        @Override
        public void visitCase(JCCase tree) {
            outputCeylonPosition(tree);
            super.visitCase(tree);
        }

        @Override
        public void visitSynchronized(JCSynchronized tree) {
            outputCeylonPosition(tree);
            super.visitSynchronized(tree);
        }

        @Override
        public void visitTry(JCTry tree) {
            outputCeylonPosition(tree);
            super.visitTry(tree);
        }

        @Override
        public void visitCatch(JCCatch tree) {
            outputCeylonPosition(tree);
            super.visitCatch(tree);
        }

        @Override
        public void visitConditional(JCConditional tree) {
            outputCeylonPosition(tree);
            super.visitConditional(tree);
        }

        @Override
        public void visitIf(JCIf tree) {
            outputCeylonPosition(tree);
            super.visitIf(tree);
        }

        @Override
        public void visitExec(JCExpressionStatement tree) {
            outputCeylonPosition(tree);
            super.visitExec(tree);
        }

        @Override
        public void visitBreak(JCBreak tree) {
            outputCeylonPosition(tree);
            super.visitBreak(tree);
        }

        @Override
        public void visitContinue(JCContinue tree) {
            outputCeylonPosition(tree);
            super.visitContinue(tree);
        }

        @Override
        public void visitReturn(JCReturn tree) {
            outputCeylonPosition(tree);
            super.visitReturn(tree);
        }

        @Override
        public void visitThrow(JCThrow tree) {
            outputCeylonPosition(tree);
            super.visitThrow(tree);
        }

        @Override
        public void visitAssert(JCAssert tree) {
            outputCeylonPosition(tree);
            super.visitAssert(tree);
        }

        @Override
        public void visitApply(JCMethodInvocation tree) {
            outputCeylonPosition(tree);
            super.visitApply(tree);
        }

        @Override
        public void visitNewClass(JCNewClass tree) {
            outputCeylonPosition(tree);
            super.visitNewClass(tree);
        }

        @Override
        public void visitNewArray(JCNewArray tree) {
            outputCeylonPosition(tree);
            super.visitNewArray(tree);
        }

        @Override
        public void visitParens(JCParens tree) {
            outputCeylonPosition(tree);
            super.visitParens(tree);
        }

        @Override
        public void visitAssign(JCAssign tree) {
            outputCeylonPosition(tree);
            super.visitAssign(tree);
        }

        @Override
        public void visitAssignop(JCAssignOp tree) {
            outputCeylonPosition(tree);
            super.visitAssignop(tree);
        }

        @Override
        public void visitUnary(JCUnary tree) {
            outputCeylonPosition(tree);
            super.visitUnary(tree);
        }

        @Override
        public void visitBinary(JCBinary tree) {
            outputCeylonPosition(tree);
            super.visitBinary(tree);
        }

        @Override
        public void visitTypeCast(JCTypeCast tree) {
            outputCeylonPosition(tree);
            super.visitTypeCast(tree);
        }

        @Override
        public void visitTypeTest(JCInstanceOf tree) {
            outputCeylonPosition(tree);
            super.visitTypeTest(tree);
        }

        @Override
        public void visitIndexed(JCArrayAccess tree) {
            outputCeylonPosition(tree);
            super.visitIndexed(tree);
        }

        @Override
        public void visitSelect(JCFieldAccess tree) {
            outputCeylonPosition(tree);
            super.visitSelect(tree);
        }

        @Override
        public void visitIdent(JCIdent tree) {
            outputCeylonPosition(tree);
            super.visitIdent(tree);
        }

        @Override
        public void visitLiteral(JCLiteral tree) {
            outputCeylonPosition(tree);
            super.visitLiteral(tree);
        }

        @Override
        public void visitTypeIdent(JCPrimitiveTypeTree tree) {
            outputCeylonPosition(tree);
            super.visitTypeIdent(tree);
        }

        @Override
        public void visitTypeArray(JCArrayTypeTree tree) {
            outputCeylonPosition(tree);
            super.visitTypeArray(tree);
        }

        @Override
        public void visitTypeApply(JCTypeApply tree) {
            outputCeylonPosition(tree);
            super.visitTypeApply(tree);
        }

        @Override
        public void visitTypeParameter(JCTypeParameter tree) {
            outputCeylonPosition(tree);
            super.visitTypeParameter(tree);
        }

        @Override
        public void visitWildcard(JCWildcard tree) {
            outputCeylonPosition(tree);
            super.visitWildcard(tree);
        }

        @Override
        public void visitTypeBoundKind(TypeBoundKind tree) {
            outputCeylonPosition(tree);
            super.visitTypeBoundKind(tree);
        }

        @Override
        public void visitErroneous(JCErroneous tree) {
            outputCeylonPosition(tree);
            super.visitErroneous(tree);
        }

        @Override
        public void visitLetExpr(LetExpr tree) {
            outputCeylonPosition(tree);
            super.visitLetExpr(tree);
        }

        @Override
        public void visitModifiers(JCModifiers mods) {
            outputCeylonPosition(mods);
            super.visitModifiers(mods);
        }

        @Override
        public void visitAnnotation(JCAnnotation tree) {
            outputCeylonPosition(tree);
            super.visitAnnotation(tree);
        }

        @Override
        public void visitTree(JCTree tree) {
            outputCeylonPosition(tree);
            super.visitTree(tree);
        }
    };
    printer.visitTopLevel(unit);
    return writer.toString();
}
Also used : JCFieldAccess(com.sun.tools.javac.tree.JCTree.JCFieldAccess) JCTypeApply(com.sun.tools.javac.tree.JCTree.JCTypeApply) JCAssert(com.sun.tools.javac.tree.JCTree.JCAssert) JCPrimitiveTypeTree(com.sun.tools.javac.tree.JCTree.JCPrimitiveTypeTree) JCIf(com.sun.tools.javac.tree.JCTree.JCIf) JCEnhancedForLoop(com.sun.tools.javac.tree.JCTree.JCEnhancedForLoop) JCNewClass(com.sun.tools.javac.tree.JCTree.JCNewClass) JCNewArray(com.sun.tools.javac.tree.JCTree.JCNewArray) JCAnnotation(com.sun.tools.javac.tree.JCTree.JCAnnotation) JCCase(com.sun.tools.javac.tree.JCTree.JCCase) JCThrow(com.sun.tools.javac.tree.JCTree.JCThrow) JCImport(com.sun.tools.javac.tree.JCTree.JCImport) JCWildcard(com.sun.tools.javac.tree.JCTree.JCWildcard) JCClassDecl(com.sun.tools.javac.tree.JCTree.JCClassDecl) JCIdent(com.sun.tools.javac.tree.JCTree.JCIdent) JCMethodDecl(com.sun.tools.javac.tree.JCTree.JCMethodDecl) LetExpr(com.sun.tools.javac.tree.JCTree.LetExpr) JCErroneous(com.sun.tools.javac.tree.JCTree.JCErroneous) JCSynchronized(com.sun.tools.javac.tree.JCTree.JCSynchronized) JCParens(com.sun.tools.javac.tree.JCTree.JCParens) JCDoWhileLoop(com.sun.tools.javac.tree.JCTree.JCDoWhileLoop) JCContinue(com.sun.tools.javac.tree.JCTree.JCContinue) JCInstanceOf(com.sun.tools.javac.tree.JCTree.JCInstanceOf) TypeBoundKind(com.sun.tools.javac.tree.JCTree.TypeBoundKind) JCTypeParameter(com.sun.tools.javac.tree.JCTree.JCTypeParameter) JCMethodInvocation(com.sun.tools.javac.tree.JCTree.JCMethodInvocation) JCUnary(com.sun.tools.javac.tree.JCTree.JCUnary) JCModifiers(com.sun.tools.javac.tree.JCTree.JCModifiers) JCCatch(com.sun.tools.javac.tree.JCTree.JCCatch) JCCompilationUnit(com.sun.tools.javac.tree.JCTree.JCCompilationUnit) JCWhileLoop(com.sun.tools.javac.tree.JCTree.JCWhileLoop) JCReturn(com.sun.tools.javac.tree.JCTree.JCReturn) JCLabeledStatement(com.sun.tools.javac.tree.JCTree.JCLabeledStatement) JCAssign(com.sun.tools.javac.tree.JCTree.JCAssign) JCSkip(com.sun.tools.javac.tree.JCTree.JCSkip) JCConditional(com.sun.tools.javac.tree.JCTree.JCConditional) JCExpressionStatement(com.sun.tools.javac.tree.JCTree.JCExpressionStatement) CharArrayWriter(java.io.CharArrayWriter) JCTypeCast(com.sun.tools.javac.tree.JCTree.JCTypeCast) JCArrayTypeTree(com.sun.tools.javac.tree.JCTree.JCArrayTypeTree) JCBlock(com.sun.tools.javac.tree.JCTree.JCBlock) JCTree(com.sun.tools.javac.tree.JCTree) JCBinary(com.sun.tools.javac.tree.JCTree.JCBinary) JCArrayAccess(com.sun.tools.javac.tree.JCTree.JCArrayAccess) IOException(java.io.IOException) JCForLoop(com.sun.tools.javac.tree.JCTree.JCForLoop) JCVariableDecl(com.sun.tools.javac.tree.JCTree.JCVariableDecl) Pretty(com.sun.tools.javac.tree.Pretty) JCTry(com.sun.tools.javac.tree.JCTree.JCTry) JCSwitch(com.sun.tools.javac.tree.JCTree.JCSwitch) JCLiteral(com.sun.tools.javac.tree.JCTree.JCLiteral) JCAssignOp(com.sun.tools.javac.tree.JCTree.JCAssignOp) JCBreak(com.sun.tools.javac.tree.JCTree.JCBreak)

Example 2 with LetExpr

use of com.sun.tools.javac.tree.JCTree.LetExpr in project ceylon-compiler by ceylon.

the class Attr method checkFirstConstructorStat.

// where
/**
 * Check that given application node appears as first statement
 *  in a constructor call.
 *  @param tree   The application node
 *  @param env    The environment current at the application.
 */
boolean checkFirstConstructorStat(JCMethodInvocation tree, Env<AttrContext> env) {
    JCMethodDecl enclMethod = env.enclMethod;
    if (enclMethod != null && enclMethod.name == names.init) {
        JCBlock body = enclMethod.body;
        if (body.stats.head.getTag() == JCTree.EXEC && ((JCExpressionStatement) body.stats.head).expr == tree)
            return true;
        // given tree allowed as last stmt in a Let
        if (body.stats.head.getTag() == JCTree.EXEC && (((JCExpressionStatement) body.stats.head).expr instanceof LetExpr) && ((LetExpr) ((JCExpressionStatement) body.stats.head).expr).stats.last().getTag() == JCTree.EXEC && ((JCExpressionStatement) ((LetExpr) ((JCExpressionStatement) body.stats.head).expr).stats.last()).expr == tree)
            return true;
    }
    log.error(tree.pos(), "call.must.be.first.stmt.in.ctor", TreeInfo.name(tree.meth));
    return false;
}
Also used : JCBlock(com.sun.tools.javac.tree.JCTree.JCBlock) JCMethodDecl(com.sun.tools.javac.tree.JCTree.JCMethodDecl) LetExpr(com.sun.tools.javac.tree.JCTree.LetExpr) JCExpressionStatement(com.sun.tools.javac.tree.JCTree.JCExpressionStatement)

Aggregations

JCBlock (com.sun.tools.javac.tree.JCTree.JCBlock)2 JCExpressionStatement (com.sun.tools.javac.tree.JCTree.JCExpressionStatement)2 JCMethodDecl (com.sun.tools.javac.tree.JCTree.JCMethodDecl)2 LetExpr (com.sun.tools.javac.tree.JCTree.LetExpr)2 JCTree (com.sun.tools.javac.tree.JCTree)1 JCAnnotation (com.sun.tools.javac.tree.JCTree.JCAnnotation)1 JCArrayAccess (com.sun.tools.javac.tree.JCTree.JCArrayAccess)1 JCArrayTypeTree (com.sun.tools.javac.tree.JCTree.JCArrayTypeTree)1 JCAssert (com.sun.tools.javac.tree.JCTree.JCAssert)1 JCAssign (com.sun.tools.javac.tree.JCTree.JCAssign)1 JCAssignOp (com.sun.tools.javac.tree.JCTree.JCAssignOp)1 JCBinary (com.sun.tools.javac.tree.JCTree.JCBinary)1 JCBreak (com.sun.tools.javac.tree.JCTree.JCBreak)1 JCCase (com.sun.tools.javac.tree.JCTree.JCCase)1 JCCatch (com.sun.tools.javac.tree.JCTree.JCCatch)1 JCClassDecl (com.sun.tools.javac.tree.JCTree.JCClassDecl)1 JCCompilationUnit (com.sun.tools.javac.tree.JCTree.JCCompilationUnit)1 JCConditional (com.sun.tools.javac.tree.JCTree.JCConditional)1 JCContinue (com.sun.tools.javac.tree.JCTree.JCContinue)1 JCDoWhileLoop (com.sun.tools.javac.tree.JCTree.JCDoWhileLoop)1