-exports.OnceOrMoreDo = OnceOrMoreDo;
-/**
- * aux function for midfix operator
- * @param f function
- * @param signal the rule name
- * @returns
- */
-let midfix = (f, signal) => (x) => {
- var a = f(x);
- if (a._tag == "Some") {
- let ast_tail = slice(a.value.ast, a.value.ast.length - 3);
- let new_ast = [ast_tail];
- a.value.ast = new_ast;
- // console.log("+"+signal+"+"+repr(a));
- }
- return a;
-};
-let circumfix = (f, signal) => (x) => {
- var a = f(x);
- if (a._tag == "Some") {
- let inner = a.value.ast[a.value.ast.length - 2];
- let ast_middle = [inner];
- let new_ast = [ast_middle];
- a.value.ast = new_ast;
- }
- return a;
-};
-/** single1 = tInt | "(" expr ")"*/
-let single1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), expr), tRParen), "fac1");
-let single2 = tInt;
-let single = orDo(single1, single2);
-/** func = single | single "(" single ")"
- * i.e.
- *
- * func = single | func_aux ( int )
- *
-*/
-/** callees = "(" args ")" | "(" ")" */
-let callees1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), tInt), tRParen), "callees1");
-let callees2 = (x) => {
- let ret = thenDo(thenDo(tk.toSome(x), tLParen), tRParen);
- if (ret._tag == "Some") {
- let new_ast = [[]];
- ret.value.ast = new_ast;
- }
- return ret;
-};
-let callees = orDo(callees1, callees2);
-/** %apply R combinating token */
-let applyToken = {
- text: "%apply",
- type: tk.TokenType.ID,
- col: 0,
- ln: 0,
-};
-/** facAux = callees facAux | callees */
-let facAux1 = (x) => {
- var ret = thenDo(thenDo(tk.toSome(x), callees), facAux);
- if (ret._tag == "Some") {
- console.log("1232345" + repr(tkTreeToSExp(ret.value.ast[ret.value.ast.length - 1])));
- let last1 = ret.value.ast[ret.value.ast.length - 1];
- let last2 = ret.value.ast[ret.value.ast.length - 2];
- let b = [applyToken];
- ret.value.ast = [b.concat([last2, last1])];
- console.log("11111" + repr(tkTreeToSExp(ret.value.ast)));
- }
- ;
- return ret;
-};
-let facAux2 = callees;
-let facAux = orDo(facAux1, facAux2);
-/** fac = single facAux | single
- * Issue1 to be fixed.
- */
-let fac1 = (x) => {
- var ret = thenDo(thenDo(tk.toSome(x), single), facAux);
- if (ret._tag == "Some") {
- console.log("777" + repr(tkTreeToSExp(ret.value.ast)));
- ret.value.ast = [applyToken, ret.value.ast[ret.value.ast.length - 2],
- ret.value.ast[ret.value.ast.length - 1]];
- ret.value.ast;
- rearrangeTree(ret.value.ast);
- console.log("888" + repr(tkTreeToSExp(ret.value.ast)));
- }
- return ret;
-};
-let fac2 = single;
-let fac = orDo(fac1, fac2);
-/**
- * rearrangeTree : for applyToken subtree from right-combination to
- * left-combination
- * @input x a ast
- * @return another ast
- */
-function rearrangeTree(x) {
- if (x !== undefined) {
- for (var i = 1; i < x.length; i++) {
- rearrangeTree(x[i]);
- }
- console.log("@@" + repr(x[0]));
- if (x[0] == applyToken) {
- if (Array.isArray(x[2]) && x[2][0] == applyToken) {
- let rl = rearrangeTree(x[2][1]);
- let rr = rearrangeTree(x[2][2]);
- let l = rearrangeTree(x[1]);
- x[0] = applyToken;
- x[1] = [applyToken, l, rl];
- x[2] = rr;
- console.log("@@==" + repr(x));
- return x;
- }
- else {
- x[0] = applyToken;
- x[1] = rearrangeTree(x[1]);
- x[2] = rearrangeTree(x[2]);
- console.log("@@==" + repr(x));
- return x;
- }
- }
- return x;
- }