First commit

2026-02-06 18:56:40 +01:00 · 2018-08-09 08:21:17 +02:00
commit 281b52339c
62 changed files with 25533 additions and 0 deletions
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -0,0 +1,33 @@
+module.exports = {
+    "plugins": [
+        "mocha"
+    ],
+    "env": {
+        "es6": true,
+        "node": true,
+        "mocha": true
+    },
+    "parserOptions": {
+        "ecmaVersion": 2017
+    },
+    "extends": "eslint:recommended",
+    "rules": {
+        "indent": [
+            "error",
+            4
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "double"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ],
+        "mocha/no-exclusive-tests": "error"
+    }
+};
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,63 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+tmp
--- a/0
+++ b/0
--- a/circuits/jose.jaz
+++ b/circuits/jose.jaz
@@ -0,0 +1,11 @@
+template AND() {
+    signal input s1;
+    signal input s2;
+    signal output s3;
+
+    s3 <== s1*s2;
+    s1*(s1-1) === 0;
+    s2*(s2-1) === 0;
+}
+
+component main = AND();
--- a/circuits/multiplexer.jaz
+++ b/circuits/multiplexer.jaz
@@ -0,0 +1,74 @@
+// --> Assignation without constrain
+// <-- Assignation without constrain
+// === Constrain
+// <== Assignation with constrain
+// ==> Assignation with constrain
+// All variables are members of the field F[p]
+// https://github.com/zcash-hackworks/sapling-crypto
+// https://github.com/ebfull/bellman
+
+/*
+function log2(a) {
+    if (a==0) {
+        return 0;
+    }
+    let n = 1;
+    let r = 1;
+    while (n<a) {
+        r++;
+        n *= 2;
+    }
+    return r;
+}
+*/
+
+template EscalarProduct(w) {
+    signal input in1[w];
+    signal input in2[w];
+    signal output out;
+    signal aux[w];
+    var lc = 0;
+    for (var i=0; i<w; i++) {
+        aux[i] <== in1[i]*in2[i];
+        lc = lc + aux[i];
+    }
+    out <== lc;
+}
+
+template Decoder(w) {
+    signal input inp;
+    signal output out[w];
+    signal output success;
+    var lc=0;
+
+    for (var i=0; i<w; i++) {
+        out[i] <-- (inp == i) ? 1 : 0;
+        out[i] * (inp-i) === 0;
+        lc = lc + out[i];
+    }
+
+    lc ==> success;
+    success * (success -1) === 0;
+}
+
+
+template Multiplexor(wIn, nIn) {
+    signal input inp[nIn][wIn];
+    signal input sel;
+    signal output out[wIn];
+    component Decoder(nIn) dec;
+    component EscalarProduct(nIn) ep[wIn];
+    sel ==> dec.inp;
+    for (var j=0; j<wIn; j++) {
+        for (var k=0; k<nIn; k++) {
+            inp[k][j] ==> ep[j].in1[k];
+            dec.out[k] ==> ep[j].in2[k];
+        }
+        ep[j].out ==> out[j];
+    }
+    dec.success === 1;
+}
+
+component Multiplexor(8,3) main;
+
+
--- a/circuits/sha256/binsum.jaz
+++ b/circuits/sha256/binsum.jaz
@@ -0,0 +1,74 @@
+/*
+
+Binary Sum
+==========
+
+This component creates a binary sum componet of ops operands and n bits each operand.
+
+e is Number of carries: Depends on the number of operands in the input.
+
+Main Constrain:
+   in[0][0]     * 2^0  +  in[0][1]     * 2^1  + ..... + in[0][n-1]    * 2^(n-1)  +
+ + in[1][0]     * 2^0  +  in[1][1]     * 2^1  + ..... + in[1][n-1]    * 2^(n-1)  +
+ + ..
+ + in[ops-1][0] * 2^0  +  in[ops-1][1] * 2^1  + ..... + in[ops-1][n-1] * 2^(n-1)  +
+ ===
+   out[0] * 2^0  + out[1] * 2^1 +   + out[n+e-1] *2(n+e-1)
+
+To waranty binary outputs:
+
+    out[0]     * (out[0] - 1) === 0
+    out[1]     * (out[0] - 1) === 0
+    .
+    .
+    .
+    out[n+e-1] * (out[n+e-1] - 1) == 0
+
+ */
+
+
+/*
+    This function calculates the number of extra bits in the output to do the full sum.
+ */
+
+function nbits(a) {
+    var n = 1;
+    var r = 0;
+    while (n-1<a) {
+        r++;
+        n *= 2;
+    }
+    return r;
+}
+
+
+template BinSum(n, ops) {
+    var nout = nbits((2**n -1)*ops);
+    signal input in[ops][n];
+    signal output out[nout];
+
+    var lin = 0;
+    var lout = 0;
+
+    var k;
+    var j;
+
+    for (k=0; k<n; k++) {
+        for (j=0; j<ops; j++) {
+            lin += in[j][k] * 2**k;
+        }
+    }
+
+    for (k=0; k<nout; k++) {
+        out[k] <-- (lin >> k) & 1;
+
+        // Ensure out is binary
+        out[k] * (out[k] - 1) === 0;
+
+        lout += out[k] * 2**k;
+    }
+
+    // Ensure the sum;
+
+    lin === lout;
+}
--- a/circuits/sha256/bitify.jaz
+++ b/circuits/sha256/bitify.jaz
@@ -0,0 +1,28 @@
+
+
+template Num2Bits(n) {
+    signal input in;
+    signal output out[n];
+    var lc1=0;
+
+    for (var i = 0; i<n; i++) {
+        out[i] <-- (in >> i) & 1;
+        out[i] * (out[i] -1 ) === 0;
+        lc1 += out[i] * 2**i;
+    }
+
+    lc1 === in;
+
+}
+
+template Bits2Num(n) {
+    signal input in[n];
+    signal output out;
+    var lc1=0;
+
+    for (var i = 0; i<n; i++) {
+        lc1 += in[i] * 2**i;
+    }
+
+    lc1 ==> out;
+}
--- a/circuits/sha256/constants.jaz
+++ b/circuits/sha256/constants.jaz
@@ -0,0 +1,35 @@
+
+
+template H(x) {
+    signal output out[32];
+    var c = [0x6a09e667,
+             0xbb67ae85,
+             0x3c6ef372,
+             0xa54ff53a,
+             0x510e527f,
+             0x9b05688c,
+             0x1f83d9ab,
+             0x5be0cd19];
+
+    for (var i=0; i<32; i++) {
+        out[i] = (c[x] >> i) & 1;
+    }
+}
+
+template K(x) {
+    signal output out[32];
+    var c = [
+        0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+        0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+        0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+        0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+        0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+        0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+        0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+        0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+    ];
+
+    for (var i=0; i<32; i++) {
+        out[i] = (c[x] >> i) & 1;
+    }
+}
--- a/circuits/sha256/gates.jaz
+++ b/circuits/sha256/gates.jaz
@@ -0,0 +1,67 @@
+
+template XOR() {
+    signal input a;
+    signal input b;
+    signal output out;
+
+    out <== a + b - 2*a*b;
+}
+
+template AND() {
+    signal input a;
+    signal input b;
+    signal output out;
+
+    out <== a*b;
+}
+
+template OR() {
+    signal input a;
+    signal input b;
+    signal output out;
+
+    out <== a + b - a*b;
+}
+
+template NOT() {
+    signal input in;
+    signal output out;
+
+    out <== 1 + in - 2*in;
+}
+
+template NAND() {
+    signal input a;
+    signal input b;
+    signal output out;
+
+    out <== 1 - a*b;
+}
+
+template NOR() {
+    signal input a;
+    signal input b;
+    signal output out;
+
+    out <== a*b + 1 - a - b;
+}
+
+template Xor3(n) {
+    signal input a[n];
+    signal input b[n];
+    signal input c[n];
+    signal output out[n];
+
+    component xor1[n] = XOR();
+    component xor2[n] = XOR();
+
+    for (var k=0; k<n; k++) {
+        xor1[k].a <== a[k];
+        xor1[k].b <== b[k];
+
+        xor2[k].a <== xor1[k].out;
+        xor2[k].b <== c[k];
+
+        out[k] <== xor2[k].out;
+    }
+}
--- a/circuits/sha256/input_h0.json
+++ b/circuits/sha256/input_h0.json
@@ -0,0 +1,3 @@
+{
+	"in": "0xd807aa98"
+}
--- a/circuits/sha256/input_sum_test.json
+++ b/circuits/sha256/input_sum_test.json
@@ -0,0 +1,4 @@
+{
+    "a": "111",
+    "b": "222"
+}
--- a/circuits/sha256/main.jaz
+++ b/circuits/sha256/main.jaz
@@ -0,0 +1,50 @@
+
+/*
+include "sha256_2.jaz";
+
+component main = SHA256_2();
+*/
+
+/*
+include "constants.jaz"
+
+template A() {
+    signal input in;
+    component h0;
+    h0 = K(8);
+
+    var lc = 0;
+    var e = 1;
+    for (var i=0; i<32; i++) {
+        lc = lc + e*h0.out[i];
+        e *= 2;
+    }
+
+    lc === in;
+}
+
+component main = A();
+*/
+
+include "bitify.jaz"
+
+template A() {
+    signal input in;
+    signal output out;
+
+    component n2b;
+    component b2n;
+
+    n2b = Num2Bits(216);
+    b2n = Bits2Num(216);
+
+    n2b.in <== in;
+
+    for (var i=0; i<216; i++) {
+        b2n.in[i] <== n2b.out[i];
+    }
+
+    out <== b2n.out;
+}
+
+component main = A();
--- a/circuits/sha256/rotate.jaz
+++ b/circuits/sha256/rotate.jaz
@@ -0,0 +1,10 @@
+
+
+template RotR(n, r) {
+    signal input in[n];
+    signal output out[n];
+
+    for (i=0; i<n; i++) {
+        out[i] <== in[ (i+r)%n ];
+    }
+}
--- a/circuits/sha256/sha256_2.jaz
+++ b/circuits/sha256/sha256_2.jaz
@@ -0,0 +1,44 @@
+
+include "sha256compression.jaz";
+include "bitify.jaz"
+
+component sha256_2() {
+    signal input a;
+    signal input b;
+    signal output out;
+
+    component num2bits[2] = Num2Bits(216);
+    component bits2num = Bits2Num(216);
+
+    num2bits[0].inp <== a;
+    num2bits[1].inp <== b;
+
+    component sha256compression = Sha256compression() ;
+
+    var i;
+
+    for (i=0; i<216; i++) {
+        sha256compression.inp[i] <== num2bits[0].out[i];
+        sha256compression.inp[i+216] <== num2bits[1].out[i];
+    }
+
+    for (i=432; i<247; i++) {
+        sha256compression.inp[i] <== 0;
+    }
+
+    sha256compression.inp[247] <== 1;
+    sha256compression.inp[248] <== 1;
+    sha256compression.inp[249] <== 0;
+    sha256compression.inp[250] <== 1;
+    sha256compression.inp[251] <== 1;
+    sha256compression.inp[252] <== 0;
+    sha256compression.inp[253] <== 0;
+    sha256compression.inp[254] <== 0;
+    sha256compression.inp[255] <== 0;
+
+    for (i=0; i<216; i++) {
+        bits2num.inp[i] <== sha256compression.out[i];
+    }
+
+    out <== bits2num.out;
+}
--- a/circuits/sha256/sha256compression.jaz
+++ b/circuits/sha256/sha256compression.jaz
@@ -0,0 +1,145 @@
+
+include "constants.jaz";
+include "t1.jaz";
+include "t2.jaz";
+include "sum.jaz";
+include "sigmaplus.jaz";
+
+template sha256compression() {
+    signal input inp[512];
+    signal output out[256];
+    signal a[64][32];
+    signal b[64][32];
+    signal c[64][32];
+    signal d[64][32];
+    signal e[64][32];
+    signal f[64][32];
+    signal g[64][32];
+    signal h[64][32];
+    signal w[64][512];
+
+    var i;
+
+    component sigmaPlus[48] = SigmaPlus();
+
+    component k[64];
+    for (i=0; i<64; i++) k[i] = K(i);
+
+    component ha0 = H0(0);
+    component hb0 = H0(1);
+    component hc0 = H0(2);
+    component hd0 = H0(3);
+    component he0 = H0(4);
+    component hf0 = H0(5);
+    component hg0 = H0(6);
+    component hh0 = H0(7);
+
+    component t1[64] = T1();
+    component t2[64] = T2();
+
+    component suma[64] = Sum2(32);
+    component sume[64] = Sum2(32);
+    component fsum[8]  = Sum2(32);
+
+    var k;
+    var t;
+
+    for (t=0; t<64; t++) {
+        if (t<16) {
+            for (k=0; k<256; k++) {
+                w[t][k] <== inp[k];
+            }
+        } else {
+            for (k=0; k<256; k++) {
+                sigmaPlus[t-16].in2[k] <== w[t-2][k];
+                sigmaPlus[t-16].in7[k] <== w[t-2][k];
+                sigmaPlus[t-16].in15[k] <== w[t-15][k];
+                sigmaPlus[t-16].in16[k] <== w[t-16][k];
+                w[t][k] <== sigmaPlus[t-16].out[k];
+            }
+        }
+    }
+
+    for (k=0; k<32; k++ ) {
+        a[0][k] <== ha0.out[k]
+        b[0][k] <== hb0.out[k]
+        c[0][k] <== hc0.out[k]
+        d[0][k] <== hd0.out[k]
+        e[0][k] <== he0.out[k]
+        f[0][k] <== hf0.out[k]
+        g[0][k] <== hg0.out[k]
+        h[0][k] <== hh0.out[k]
+    }
+
+    for (t = 0; t<63; t++) {
+        for (k=0; k<32; k++) {
+            t1[t].h[k] <== h[k];
+            t1[t].e[k] <== e[k];
+            t1[t].f[k] <== f[k];
+            t1[t].g[k] <== g[k];
+            if (t<20) {
+                t1[t].g[k] <== K0.out[k];
+            } else if (t<40) {
+                t1[t].g[k] <== K20.out[k];
+            } else if (t<60) {
+                t1[t].g[k] <== K40.out[k];
+            } else {
+                t1[t].g[k] <== K60.out[k];
+            }
+            t1[t].w[k] <== w[t][k];
+
+            t2[t].a[k] <== a[k];
+            t2[t].b[k] <== a[k];
+            t2[t].c[k] <== a[k];
+        }
+
+        for (k=0; k<32; k++) {
+            sume[t].a[k] <== d[k];
+            sume[t].b[k] <== t1[t].out[k];
+
+            suma[t].a[k] <== t1[t].out[k];
+            suma[t].b[k] <== t2[t].out[k];
+        }
+
+        for (k=0; k<32; k++) {
+            h[t+1] <== g[t];
+            g[t+1] <== f[t];
+            f[t+1] <== e[t];
+            e[t+1] <== sume[t].out[k];
+            d[t+1] <== c[t];
+            c[t+1] <== b[t];
+            b[t+1] <== a[t];
+            a[t+1] <== suma[t].out[k];
+        }
+    }
+
+    for (k=0; k<32; k++) {
+        fsum[0].a[k] <==  ha0.out[k];
+        fsum[0].b[k] <==  a[64][k];
+        fsum[1].a[k] <==  hb0.out[k];
+        fsum[1].b[k] <==  b[64][k];
+        fsum[2].a[k] <==  hc0.out[k];
+        fsum[2].b[k] <==  c[64][k];
+        fsum[3].a[k] <==  hd0.out[k];
+        fsum[3].b[k] <==  d[64][k];
+        fsum[4].a[k] <==  he0.out[k];
+        fsum[4].b[k] <==  e[64][k];
+        fsum[5].a[k] <==  hf0.out[k];
+        fsum[5].b[k] <==  f[64][k];
+        fsum[6].a[k] <==  hg0.out[k];
+        fsum[6].b[k] <==  g[64][k];
+        fsum[7].a[k] <==  hh0.out[k];
+        fsum[7].b[k] <==  h[64][k];
+    }
+
+    for (k=0; k<32; k++) {
+        out[k]    <== fsum[0].out[k];
+        out[32+k] <== fsum[1].out[k];
+        out[64+k] <== fsum[2].out[k];
+        out[96+k] <== fsum[2].out[k];
+        out[128+k] <== fsum[2].out[k];
+        out[160+k] <== fsum[2].out[k];
+        out[192+k] <== fsum[2].out[k];
+        out[224+k] <== fsum[2].out[k];
+    }
+}
--- a/circuits/sha256/sigma.jaz
+++ b/circuits/sha256/sigma.jaz
@@ -0,0 +1,25 @@
+include "gates.jaz";
+include "rotate.jaz";
+
+template Sigma(ra, rb, rc) {
+    signal input in;
+    signal output out;
+
+    component xor3 = Xor3(32);
+
+    component rota = RotR(32, ra);
+    component rotb = RotR(32, rb);
+    component rotc = RotR(32, rc);
+
+    for (var k=0; k<32; k++) {
+        rota.in[k] <== in[k];
+        rotb.in[k] <== in[k];
+        rotc.in[k] <== in[k];
+
+        xor3.a[k] <== rota.out[k];
+        xor3.b[k] <== rotb.out[k];
+        xor3.c[k] <== rotc.out[k];
+
+        out[k] <== xor3.out[k];
+    }
+}
--- a/circuits/sha256/sigmaplus.jaz
+++ b/circuits/sha256/sigmaplus.jaz
@@ -0,0 +1,26 @@
+include "sum.jaz"
+include "sigma.jaz"
+
+template SigmaPlus() {
+    signal input in2[32];
+    signal input in7[32];
+    signal input in15[32];
+    signal input in16[32];
+    signal output out[32];
+
+    component sum = Sum(32, 4);
+    component sigma1 = Sigma(17,19,10);
+    component sigma0 = Sigma(7, 18, 3);
+
+    for (var k=0; k<32; k++) {
+        sigma1.in[k] <== in2[k];
+        sigma0.in[k] <== in15[k];
+
+        sum.in[0][k] <== sigma1.out[k];
+        sum.in[1][k] <== in7[k];
+        sum.in[2][k] <== sigma0.out[k];
+        sum.in[3][k] <== in16[k];
+
+        out[k] <== sum.out[k];
+    }
+}
--- a/circuits/sha256/sum_test.jaz
+++ b/circuits/sha256/sum_test.jaz
@@ -0,0 +1,26 @@
+include "bitify.jaz"
+include "binsum.jaz"
+
+template A() {
+    signal input a;
+    signal input b;
+    signal output out;
+
+    component n2ba = Num2Bits(32);
+    component n2bb = Num2Bits(32);
+    component sum = BinSum(32,2);
+    component b2n = Bits2Num(32);
+
+    n2ba.in <== a;
+    n2bb.in <== b;
+
+    for (var i=0; i<32; i++) {
+        sum.in[0][i] <== n2ba.out[i];
+        sum.in[1][i] <== n2bb.out[i];
+        b2n.in[i] <== sum.out[i];
+    }
+
+    out <== b2n.out;
+}
+
+component main = A();
--- a/circuits/sha256/t1.jaz
+++ b/circuits/sha256/t1.jaz
--- a/circuits/sha256/t2.jaz
+++ b/circuits/sha256/t2.jaz
--- a/circuits/tobin.jaz
+++ b/circuits/tobin.jaz
@@ -0,0 +1,20 @@
+
+
+
+template toBin(n) {
+    signal input inp;
+    signal output out[n];
+    var lc1=0;
+
+    for (var i = 0; i<n; i++) {
+        out[i] <-- (inp >> i) & 1;
+        out[i] * (out[i] -1 ) === 0;
+        lc1 += out[i] * 2**i;
+    }
+
+    lc1 === inp;
+
+}
+
+
+component toBin(3) main;
--- a/input.json
+++ b/input.json
@@ -0,0 +1,3 @@
+{
+	"inp": "3"
+}
--- a/input_jose.json
+++ b/input_jose.json
@@ -0,0 +1,4 @@
+{
+	"s1": "24",
+	"s2": "1"
+}
--- a/inputmx.json
+++ b/inputmx.json
@@ -0,0 +1,27 @@
+{
+	"inp[0][0]": 100,
+	"inp[0][1]": 101,
+	"inp[0][2]": 102,
+	"inp[0][3]": 103,
+	"inp[0][4]": 104,
+	"inp[0][5]": 105,
+	"inp[0][6]": 106,
+	"inp[0][7]": 107,
+	"inp[1][0]": 110,
+	"inp[1][1]": 111,
+	"inp[1][2]": 112,
+	"inp[1][3]": 113,
+	"inp[1][4]": 114,
+	"inp[1][5]": 115,
+	"inp[1][6]": 116,
+	"inp[1][7]": 117,
+	"inp[2][0]": 120,
+	"inp[2][1]": 121,
+	"inp[2][2]": 122,
+	"inp[2][3]": 123,
+	"inp[2][4]": 124,
+	"inp[2][5]": 125,
+	"inp[2][6]": 126,
+	"inp[2][7]": 127,
+	"sel": 1
+}
--- a/jaz.js
+++ b/jaz.js
--- a/jose.js
+++ b/jose.js
@@ -0,0 +1,154 @@
+const bigInt = require("big-integer");
+const __P__ = new bigInt("21888242871839275222246405745257275088696311157297823662689037894645226208583");
+const __MASK__ = new bigInt(2).pow(253).minus(1);
+const circuit = {};
+module.exports = circuit;
+
+circuit.signals={
+ "one": {
+  "fullName": "one",
+  "value": "1",
+  "equivalence": "",
+  "direction": "",
+  "id": 0
+ },
+ "main.s1": {
+  "fullName": "main.s1",
+  "direction": "IN",
+  "component": "main",
+  "equivalence": "",
+  "alias": [
+   "main.s1"
+  ],
+  "id": 1
+ },
+ "main.s2": {
+  "fullName": "main.s2",
+  "direction": "IN",
+  "component": "main",
+  "equivalence": "",
+  "alias": [
+   "main.s2"
+  ],
+  "id": 2
+ },
+ "main.s3": {
+  "fullName": "main.s3",
+  "direction": "OUT",
+  "component": "main",
+  "equivalence": "",
+  "alias": [
+   "main.s3"
+  ],
+  "id": 3
+ }
+};
+
+circuit.components={
+ "main": {
+  "signals": [
+   "main.s1",
+   "main.s2",
+   "main.s3"
+  ],
+  "params": {},
+  "template": "AND",
+  "inputSignals": 2
+ }
+};
+
+circuit.signalConstrains=[
+ {
+  "type": "QEQ",
+  "a": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.s1": "21888242871839275222246405745257275088696311157297823662689037894645226208582"
+   }
+  },
+  "b": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.s2": "1"
+   }
+  },
+  "c": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.s3": "1"
+   }
+  }
+ },
+ {
+  "type": "QEQ",
+  "a": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.s1": "1"
+   }
+  },
+  "b": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.s1": "1",
+    "one": "21888242871839275222246405745257275088696311157297823662689037894645226208582"
+   }
+  },
+  "c": {
+   "type": "LINEARCOMBINATION",
+   "values": {}
+  }
+ },
+ {
+  "type": "QEQ",
+  "a": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.s2": "1"
+   }
+  },
+  "b": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.s2": "1",
+    "one": "21888242871839275222246405745257275088696311157297823662689037894645226208582"
+   }
+  },
+  "c": {
+   "type": "LINEARCOMBINATION",
+   "values": {}
+  }
+ }
+];
+
+circuit.witnessNames=[
+ [
+  "one"
+ ],
+ [
+  "main.s1"
+ ],
+ [
+  "main.s2"
+ ],
+ [
+  "main.s3"
+ ]
+];
+
+{
+}
+
+circuit.templates = {};
+
+circuit.templates["AND"] = function(ctx) {
+    ctx.setSignal("s3", [], bigInt(ctx.getSignal("s1", [])).times(ctx.getSignal("s2", [])).mod(__P__));
+    ctx.assert(ctx.getSignal("s3", []), bigInt(ctx.getSignal("s1", [])).times(ctx.getSignal("s2", [])).mod(__P__));
+    ctx.assert(bigInt(ctx.getSignal("s1", [])).times(bigInt(ctx.getSignal("s1", [])).add(__P__).minus("1").mod(__P__)).mod(__P__), "0");
+    ctx.assert(bigInt(ctx.getSignal("s2", [])).times(bigInt(ctx.getSignal("s2", [])).add(__P__).minus("1").mod(__P__)).mod(__P__), "0");
+}
+;
+circuit.functionParams={};
+
+
+circuit.functions = {};
--- a/jose.out
+++ b/jose.out
@@ -0,0 +1 @@
+["1","0","1","0"]
--- a/multiplexer.js
+++ b/multiplexer.js
--- a/outmx.js
+++ b/outmx.js
@@ -0,0 +1 @@
+["1","100","101","102","103","104","105","106","107","110","111","112","113","114","115","116","117","120","121","122","123","124","125","126","127","1","110","111","112","113","114","115","116","117","0","1","0","1","0","110","0","0","111","0","0","112","0","0","113","0","0","114","0","0","115","0","0","116","0","0","117","0"]
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "jaz",
+  "version": "0.0.1",
+  "description": "Language to generate logica circuits",
+  "main": "index.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "zkSnarks",
+    "r1cs",
+    "circuits",
+    "zero",
+    "knowlage",
+    "ethereum",
+    "zcash"
+  ],
+  "author": "Jordi Baylina",
+  "license": "GPL-3.0",
+  "dependencies": {
+    "big-integer": "^1.6.32",
+    "optimist": "^0.6.1"
+  },
+  "devDependencies": {
+    "eslint": "^5.0.1",
+    "eslint-plugin-mocha": "^5.0.0"
+  }
+}
--- a/parser/jaz.jison
+++ b/parser/jaz.jison
@@ -0,0 +1,892 @@
+/* description: Construct AST for jaz language. */
+
+/* lexical grammar */
+%lex
+
+%%
+
+\s+                     { /* skip whitespace */ }
+\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ { /* console.log("MULTILINE COMMENT: "+yytext); */  }
+\/\/.*                                      { /* console.log("SINGLE LINE COMMENT: "+yytext); */ }
+var                     { return 'var'; }
+signal                  { return 'signal'; }
+input                   { return 'input'; }
+output                  { return 'output'; }
+linearCombination       { return 'linearCombination'; }
+component               { return 'component'; }
+template                { return 'template'; }
+function                { return 'function'; }
+if                      { return 'if'; }
+else                    { return 'else'; }
+for                     { return 'for'; }
+while                   { return 'while'; }
+do                      { return 'do'; }
+return                  { return 'return'; }
+include                 { return 'include'; }
+0x[0-9A-Fa-f]*          { return 'HEXNUMBER'; }
+[0-9]+                  { return 'DECNUMBER'; }
+[a-zA-Z][a-zA-Z$_0-9]*  { return 'IDENTIFIER'; }
+\"[^"]+\"               { yytext = yytext.slice(1,-1); return 'STRING'; }
+\=\=\>                  { return '==>'; }
+\<\=\=                  { return '<=='; }
+\-\-\>                  { return '-->'; }
+\<\-\-                  { return '<--'; }
+\=\=\=                  { return '==='; }
+\>\>\=                  { return '>>='; }
+\<\<\=                  { return '<<='; }
+\&\&                    { return '&&'; }
+\|\|                    { return '||'; }
+\=\=                    { return '=='; }
+\<\=                    { return '<='; }
+\>\=                    { return '>='; }
+\!\=                    { return '!='; }
+\>\>                    { return '>>'; }
+\<\<                    { return '<<'; }
+\*\*                    { return '**'; }
+\+\+                    { return '++'; }
+\-\-                    { return '--'; }
+\+\=                    { return '+='; }
+\-\=                    { return '-='; }
+\*\=                    { return '*='; }
+\/\=                    { return '/='; }
+\%\=                    { return '%='; }
+\|\=                    { return '|='; }
+\&\=                    { return '&='; }
+\^\=                    { return '^='; }
+\=                      { return '='; }
+\+                      { return '+'; }
+\-                      { return '-'; }
+\*                      { return '*'; }
+\/                      { return '/'; }
+\%                      { return '%'; }
+\^                      { return '^'; }
+\&                      { return '&'; }
+\|                      { return '|'; }
+\!                      { return '!'; }
+\<                      { return '<'; }
+\>                      { return '>'; }
+\!                      { return '!'; }
+\?                      { return '?'; }
+\:                      { return ':'; }
+\(                      { return '('; }
+\)                      { return ')'; }
+\[                      { return '['; }
+\]                      { return ']'; }
+\{                      { return '{'; }
+\}                      { return '}'; }
+\;                      { return ';'; }
+\,                      { return ','; }
+\.                      { return '.'; }
+<<EOF>>                 { return 'EOF'; }
+.                       { console.log("INVALID: " + yytext); return 'INVALID'}
+
+/lex
+
+%left ';'
+%right 'if' 'else'
+%left EMPTY
+%left IDLIST
+%left ','
+%right '?' ':' TERCOND '=' '+=' '-=' '*=' '/=' '%=' '>>=' '<<=' '&=' '|=' '^=' '<==' '==>' '===' '<--' '-->'
+%left '||'
+%left '&&'
+%left '|'
+%left '^'
+%left '&'
+%left '==' '!='
+%left '<=' '>=' '<' '>'
+%left '<<' '>>'
+
+%left '+' '-'
+%left '*' '/' '%'
+%left '**'
+%right '++' '--' UMINUS UPLUS '!' '~'
+%left '.'
+%left DECL
+%left  PLUSPLUSRIGHT MINUSMINUSRIGHT '[' ']' '(' ')'
+%left HIGH
+
+
+
+%{
+const bigInt = require('big-integer');
+const util = require('util');
+const __P__ = new bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617");
+const __MASK__ = new bigInt(2).pow(253).minus(1);
+
+function setLines(dst, first, last) {
+    last = last || first;
+    dst.first_line = first.first_line;
+    dst.first_column = first.first_column;
+    dst.last_line = last.last_line;
+    dst.last_column = last.last_column;
+}
+
+%}
+
+%start allStatments
+
+%% /* language grammar */
+
+
+allStatments
+    : statmentList EOF
+        {
+//            console.log(JSON.stringify($1, null, 1));
+            $$ = { type: "BLOCK", statements: $1.statments };
+            setLines($$, @1);
+            return $$
+        }
+    ;
+
+statmentList
+    : statmentList statment
+        {
+            $1.statments.push($2);
+            setLines($1, @1, @2);
+        }
+    | statment
+        {
+            $$ = { type: "STATMENTLIST", statments: [$1] };
+            setLines($$, @1);
+        }
+    ;
+
+statment
+    : functionDefinitionStatment
+        {
+            $$ = $1;
+        }
+    | templateDefinitionStatment
+        {
+            $$ = $1;
+        }
+    | ifStatment
+        {
+            $$ = $1;
+        }
+    | forStatment
+        {
+            $$ = $1;
+        }
+    | whileStatment
+        {
+            $$ = $1;
+        }
+    | doWhileStatment
+        {
+            $$ = $1;
+        }
+    | returnStatment
+        {
+            $$ = $1;
+        }
+    | block
+        {
+            $$ = $1;
+        }
+    | expressionStatment
+        {
+            $$ = $1;
+        }
+    | includeStatment
+        {
+            $$ = $1;
+        }
+    ;
+
+
+functionDefinitionStatment
+    : 'function' IDENTIFIER '(' identifierList ')' block
+        {
+            $$ = { type: "FUNCTIONDEF", name: $2, params: $4.identifiers, block: $6};
+            setLines($$, @1, @6);
+        }
+    | 'function' IDENTIFIER '(' ')' block
+        {
+            $$ = { type: "FUNCTIONDEF", name: $2, params: [], block: $5 };
+            setLines($$, @1, @5);
+        }
+    ;
+
+templateDefinitionStatment
+    : 'template' IDENTIFIER '(' identifierList ')' block
+        {
+            $$ = { type: "TEMPLATEDEF", name: $2, params: $4.identifiers, block: $6 };
+            setLines($$, @1, @6);
+        }
+    | 'template' IDENTIFIER '(' ')' block
+        {
+            $$ = { type: "TEMPLATEDEF", name: $2, params: [], block: $5 };
+            setLines($$, @1, @5);
+        }
+    ;
+
+
+identifierList
+    : identifierList ',' IDENTIFIER
+        {
+            $1.identifiers.push($3);
+            setLines($1, @1, @3);
+        }
+    | IDENTIFIER %prec EMPTY
+        {
+            $$ = { type: "IDENTIFIERLIST", identifiers: [$1] };
+            setLines($$, @1);
+        }
+    ;
+
+ifStatment
+    : 'if' '(' expression ')' statment 'else' statment
+        {
+            if ($3.type == "NUMBER") {
+                $$ = !$3.value.eq(0) ? $5 : $7;
+            } else {
+                $$ = { type: "IF", condition: $3, then: $5, else: $7 };
+            }
+            setLines($$, @1, @7);
+        }
+    | 'if' '(' expression ')' statment
+        {
+            if ($3.type == "NUMBER") {
+                $$ = !$3.value.eq(0) ? $5 : { type: "NUMBER", value: bigInt(0) };
+            } else {
+                $$ = { type: "IF", condition: $3, then: $5 };
+            }
+            setLines($$, @1, @5);
+        }
+    ;
+
+forStatment
+    : 'for' '(' expression ';' expression ';' expression ')' statment
+        {
+            $$ = { type: "FOR", init: $3, condition: $5, step: $7, body: $9 };
+            setLines($$, @1, @9);
+        }
+    ;
+
+whileStatment
+    : 'while' '(' expression ')' statment
+        {
+            $$ = { type: "WHILE", condition: $3, body: $5 };
+            setLines($$, @1, @5);
+        }
+    ;
+
+doWhileStatment
+    : 'do' statment 'while' '(' expression ')'
+        {
+            $$ = { type: "DOWHILE", condition: $5, body: $2 };
+            setLines($$, @1, @6);
+        }
+    ;
+
+returnStatment
+    : 'return' expression ';'
+        {
+            $$ = { type: "RETURN", value: $2 };
+            setLines($$, @1, @3);
+        }
+    | 'return' expression %prec ';'
+        {
+            $$ = { type: "RETURN", value: $2 }
+            setLines($$, @1, @2);
+        }
+    ;
+
+includeStatment
+    : 'include' STRING ';'
+        {
+            $$ = { type: "INCLUDE", file: $2 };
+            setLines($$, @1, @3);
+        }
+    | 'include' STRING %prec ';'
+        {
+            $$ = { type: "INCLUDE", file: $2 }
+            setLines($$, @1, @2);
+        }
+    ;
+
+block
+    : '{' statmentList '}'
+        {
+            $$ = { type: "BLOCK", statements: $2.statments };
+            setLines($$, @1, @3);
+        }
+    ;
+
+expressionStatment
+    : expression ';' %prec ';'
+        {
+            $$ = $1;
+        }
+    | expression %prec ';'
+        {
+            $$ = $1;
+        }
+    ;
+
+expression
+    : e17 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+e17
+   : leftHandExpression '=' e17
+        {
+            $$ = { type: "OP", op: "=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '+=' e17
+        {
+            $$ = { type: "OP", op: "+=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '-=' e17
+        {
+            $$ = { type: "OP", op: "-=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '*=' e17
+        {
+            $$ = { type: "OP", op: "*=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '/=' e17
+        {
+            $$ = { type: "OP", op: "/=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '%=' e17
+        {
+            $$ = { type: "OP", op: "%=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '<<=' e17
+        {
+            $$ = { type: "OP", op: "<<=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '>>=' e17
+        {
+            $$ = { type: "OP", op: ">>=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '&=' e17
+        {
+            $$ = { type: "OP", op: "&=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '|=' e17
+        {
+            $$ = { type: "OP", op: "|=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '^=' e17
+        {
+            $$ = { type: "OP", op: "^=", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '<==' e17
+        {
+            $$ = { type: "OP", op: "<==", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | e17 '==>' leftHandExpression
+        {
+            $$ = { type: "OP", op: "<==", values: [$3, $1] };
+            setLines($$, @1, @3);
+        }
+    | leftHandExpression '<--' e17
+        {
+            $$ = { type: "OP", op: "<--", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | e17 '-->' leftHandExpression
+        {
+            $$ = { type: "OP", op: "<--", values: [$3, $1] };
+            setLines($$, @1, @3);
+        }
+    | e16 '===' e17
+        {
+            $$ = { type: "OP", op: "===", values: [$1, $3] };
+            setLines($$, @1, @3);
+        }
+    | e17 '?' e17 ':' e17 %prec TERCOND
+        {
+            if ($1.type == "NUMBER") {
+                $$ = !$1.value.eq(0) ? $3 : $5;
+            } else {
+                $$ = { type: "OP", op: "?", values: [$1, $3, $5] };
+            }
+            setLines($$, @1, @5);
+        }
+    | e16 %prec EMPTY
+       {
+        $$ = $1;
+       }
+    ;
+
+e16
+    : rightArray
+       {
+        $$ = $1;
+       }
+    | e15 %prec EMPTY
+       {
+        $$ = $1;
+       }
+    ;
+
+e15
+    : e15 '||' e14
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: !$1.value.eq(0) || !$3.value.eq(0) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: "||", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e14 %prec EMPTY
+       {
+        $$ = $1;
+       }
+    ;
+
+e14
+    : e14 '&&' e13
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: !$1.value.eq(0) && !$3.value.eq(0) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: "&&", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e13 %prec EMPTY
+       {
+        $$ = $1;
+       }
+    ;
+
+e13
+    : e13 '|' e12
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.or($3.value).and(__MASK__) };
+            } else {
+                $$ = { type: "OP", op: "|", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e12 %prec EMPTY
+       {
+        $$ = $1;
+       }
+    ;
+
+
+e12
+    : e12 '^' e11
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.or($3.value).and(__MASK__) };
+            } else {
+                $$ = { type: "OP", op: "^", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e11 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+e11
+    : e11 '&' e10
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.and($3.value).and(__MASK__) };
+            } else {
+                $$ = { type: "OP", op: "&", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e10 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+
+
+
+e10
+    : e10 '==' e9
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.equals($3.value) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: "==", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e10 '!=' e9
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.eq($3.value) ? bigInt(0) : bigInt(1) };
+            } else {
+                $$ = { type: "OP", op: "!=", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e9 %prec EMPTY
+       {
+        $$ = $1
+       }
+    ;
+
+e9
+    : e9 '<=' e7
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.lesserOrEquals($3.value) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: "<=", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e9 '>=' e7
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.greaterOrEquals($3.value) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: ">=", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e9 '<' e7
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.lesser($3.value) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: "<", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e9 '>' e7
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.greater($3.value) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: ">", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e7 %prec EMPTY
+       {
+        $$ = $1
+       }
+    ;
+
+e7
+    : e7 '<<' e6
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                let v = $3.value.greater(256) ? 256 : $3.value.value;
+                $$ = { type: "NUMBER", value: $1.value.shiftLeft(v).and(__MASK__) };
+            } else {
+                $$ = { type: "OP", op: "<<", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e7 '>>' e6
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                let v = $3.value.greater(256) ? 256 : $3.value.value;
+                $$ = {t1ype: "NUMBER", value: $1.value.shiftRight(v).and(__MASK__) };
+            } else {
+                $$ = { type: "OP", op: ">>", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e6 %prec EMPTY
+       {
+            $$ = $1;
+       }
+    ;
+
+e6
+    : e6 '+' e5
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: ($1.value.plus($3.value)).mod(__P__) };
+            } else {
+                $$ = { type: "OP", op: "+", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e6 '-' e5
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: ($1.value.plus(__P__).minus($3.value)).mod(__P__) };
+            } else {
+                $$ = { type: "OP", op: "-", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e5 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+
+e5
+    : e5 '*' e4
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: ($1.value.times($3.value)).mod(__P__) };
+            } else {
+                $$ = { type: "OP", op: "*", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e5 '/' e4
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: ($1.value.times($3.value.modInv(__P__))).mod(__P__) };
+            } else {
+                $$ = { type: "OP", op: "/", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e5 '%' e4
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.mod($3.value) };
+            } else {
+                $$ = { type: "OP", op: "%", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e4 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+e4
+    : e4 '**' e3
+        {
+            if (($1.type == "NUMBER") && ($3.type == "NUMBER")) {
+                $$ = { type: "NUMBER", value: $1.value.modPow($3.value, __P__) };
+            } else {
+                $$ = { type: "OP", op: "**", values: [$1, $3] };
+            }
+            setLines($$, @1, @3);
+        }
+    | e3 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+
+e3
+    : '++' leftHandExpression
+        {
+            $$ = { type: "OP", op: "PLUSPLUSLEFT", values: [$2] };
+            setLines($$, @1, @2);
+        }
+    | '--' leftHandExpression
+        {
+            $$ = { type: "OP", op: "MINUSMINUSLEFT", values: [$2] };
+            setLines($$, @1, @2);
+        }
+    | '+' e3 %prec UPLUS
+        {
+            $$ = $2;
+            setLines($$, @1, @2);
+        }
+    | '-' e3 %prec UMINUS
+        {
+            if ($2.type == "NUMBER") {
+                $$ = { type: "NUMBER", value: __P__.minus($2.value).mod(__P__) };
+            } else {
+                $$ = { type: "OP", op: "UMINUS", values: [$2] };
+            }
+            setLines($$, @1, @2);
+        }
+    | '!' e3
+        {
+            if ($2.type == "NUMBER") {
+                $$ = { type: "NUMBER", value: $2.value.eq(0) ? bigInt(1) : bigInt(0) };
+            } else {
+                $$ = { type: "OP", op: "!", values: [$2] };
+            }
+            setLines($$, @1, @2);
+        }
+    | '~' e3
+        {
+            if ($2.type == "NUMBER") {
+                $$ = { type: "NUMBER", value: $2.value.xor(__MASK__) };
+            } else {
+                $$ = { type: "OP", op: "~", values: [$2] };
+            }
+            setLines($$, @1, @2);
+        }
+    | e2 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+e2
+    : leftHandExpression '++' %prec PLUSPLUSRIGHT
+        {
+            $$ = {type: "OP", op: "PLUSPLUSRIGHT", values: [$1] };
+            setLines($$, @1, @2);
+        }
+    | leftHandExpression '--' %prec MINUSMINUSRIGHT
+        {
+            $$ = {type: "OP", op: "MINUSMINUSRIGHT", values: [$1] };
+            setLines($$, @1, @2);
+        }
+    | functionCall
+        {
+            $$ = $1;
+        }
+    | e0 %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+e0
+    : leftHandExpression %prec EMPTY
+        {
+            $$ = $1
+        }
+    | DECNUMBER
+        {
+            $$ = {type: "NUMBER", value: bigInt($1).mod(__P__) }
+            setLines($$, @1);
+        }
+    | HEXNUMBER
+        {
+            $$ = {type: "NUMBER", value: bigInt($1.substr(2).toUpperCase(), 16).mod(__P__) }
+            setLines($$, @1);
+        }
+    | '(' expression ')' %prec EMPTY
+        {
+            $$ = $2;
+            setLines($$, @1, @3);
+        }
+    ;
+
+leftHandExpression
+    : simpleLeftHandExpression '.' simpleLeftHandExpression %prec EMPTY
+        {
+            $$ = {type: "PIN", component: $1, pin: $3 };
+            setLines($$, @1, @3);
+        }
+    | declaration %prec DECL
+        {
+            $$ = $1
+        }
+    | simpleLeftHandExpression %prec EMPTY
+        {
+            $$ = $1
+        }
+    ;
+
+
+
+declaration
+    : 'var' simpleLeftHandExpression %prec DECL
+        {
+            $$ = {type: "DECLARE", declareType: "VARIABLE", name: $2}
+            setLines($$, @1, @2);
+        }
+    | 'signal' simpleLeftHandExpression %prec DECL
+        {
+            $$ = {type: "DECLARE", declareType: "SIGNAL", name: $2}
+            setLines($$, @1, @2);
+        }
+    | 'signal' 'input' simpleLeftHandExpression %prec DECL
+        {
+            $$ = {type: "DECLARE", declareType: "SIGNALIN", name: $3};
+            setLines($$, @1, @3);
+        }
+    | 'signal' 'output' simpleLeftHandExpression %prec DECL
+        {
+            $$ = {type: "DECLARE", declareType: "SIGNALOUT", name: $3};
+            setLines($$, @1, @3);
+        }
+    | 'component' simpleLeftHandExpression %prec DECL
+        {
+            $$ = {type: "DECLARE", declareType: "COMPONENT", name: $2}
+            setLines($$, @1, @2);
+        }
+    ;
+
+simpleLeftHandExpression
+    : simpleLeftHandExpression array
+        {
+            for (let i=0; i< $2.values.length; i++) {
+                $1.selectors.push($2.values[i]);
+            }
+            setLines($1, @1, @2);
+        }
+    | IDENTIFIER %prec EMPTY
+        {
+            $$ = {type: "VARIABLE", name: $1 , selectors: []};
+            setLines($$, @1);
+        }
+    ;
+
+functionCall
+    : IDENTIFIER '(' expressionList ')'
+        {
+            $$ = {type: "FUNCTIONCALL", name: $1, params: $3.expressions}
+            setLines($$, @1, @4);
+        }
+    | IDENTIFIER '(' ')'
+        {
+            $$ = {type: "FUNCTIONCALL", name: $1, params: []}
+            setLines($$, @1, @3);
+        }
+    ;
+
+expressionList
+    : expressionList ',' expression
+        {
+            $1.expressions.push($3);
+            setLines($$, @1, @3);
+        }
+    | expression %prec ','
+        {
+            $$ = {type: "EXPRESSIONLST", expressions: [$1]};
+            setLines($$, @1);
+        }
+    ;
+
+rightArray
+    : array %prec EMPTY
+        {
+            $$ = $1;
+        }
+    ;
+
+array
+    : '[' expressionList ']'
+           {
+                $$ = { type: "ARRAY", values: $2.expressions};
+                setLines($$, @1, @3);
+           }
+    ;
+
--- a/sha256.js
+++ b/sha256.js
--- a/sha256.out
+++ b/sha256.out
@@ -0,0 +1 @@
+["1","3624381080","3624381080","0","0","0","1","1","0","0","1","0","1","0","1","0","1","0","1","1","1","1","0","0","0","0","0","0","0","0","1","1","0","1","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0"]
--- a/src/calculateWitness.js
+++ b/src/calculateWitness.js
@@ -0,0 +1,209 @@
+const bigInt = require("big-integer");
+
+module.exports = calculateWitness;
+
+function calculateWitness(circuit, inputSignals) {
+    const ctx = new RTCtx(circuit);
+
+    function iterateSelector(values, sels, cb) {
+        if (!Array.isArray(values)) {
+            return cb(sels, values);
+        }
+        for (let i=0; i<values.length; i++) {
+            sels.push(i);
+            iterateSelector(values[i], sels, cb);
+            sels.pop(i);
+        }
+    }
+
+    ctx.setSignal("one", [], bigInt(1));
+
+    for (let c in ctx.notInitSignals) {
+        if (ctx.notInitSignals[c] == 0) ctx.triggerComponent(c);
+    }
+
+    for (let s in inputSignals) {
+        ctx.currentComponent = "main";
+        iterateSelector(inputSignals[s], [], function(selector, value) {
+            ctx.setSignal(s, selector, bigInt(value));
+        });
+    }
+
+    for (let i=0; i<ctx.witness.length; i++) {
+        if (typeof(ctx.witness[i]) == "undefined") {
+            throw("Signal not assigned: " + ctx.circuit.witnessNames[i].join(", "));
+        }
+        console.log(ctx.circuit.witnessNames[i].join(",") + " --> " + ctx.witness[i].toString());
+    }
+    return ctx.witness;
+}
+
+class RTCtx {
+    constructor(circuit) {
+        this.scopes = [];
+        this.circuit = circuit;
+        this.witness = [];
+        this.notInitSignals = {};
+        for (let c in this.circuit.components) {
+            this.notInitSignals[c] = this.circuit.components[c].inputSignals;
+            if (this.notInitSignals == 0) {
+                this.currentComponent = c;
+                this.components.calc(this);
+                this.currentComponent = null;
+            }
+        }
+    }
+
+    _sels2str(sels) {
+        let res = "";
+        for (let i=0; i<sels.length; i++) {
+            res += `[${sels[i]}]`;
+        }
+        return res;
+    }
+
+    setPin(componentName, componentSels, signalName, signalSels, value) {
+        let fullName = componentName=="one" ? "one" : this.currentComponent + "." + componentName;
+        fullName += this._sels2str(componentSels) +
+                    "."+
+                    signalName+
+                    this._sels2str(signalSels);
+        this.setSignalFullName(fullName, value);
+    }
+
+    setSignal(name, sels, value) {
+        let fullName = this.currentComponent ? this.currentComponent + "." + name : name;
+        fullName += this._sels2str(sels);
+        this.setSignalFullName(fullName, value);
+    }
+
+    triggerComponent(c) {
+        console.log("Component Treiggered: " + c);
+
+        // Set notInitSignals to -1 to not initialize again
+        this.notInitSignals[c] --;
+        const oldComponent = this.currentComponent;
+        this.currentComponent = c;
+        const template = this.circuit.components[c].template;
+
+        const newScope = {};
+        for (let p in this.circuit.components[c].params) {
+            newScope[p] = this.circuit.components[c].params[p];
+        }
+
+        const oldScope = this.scopes;
+        this.scopes = [ this.scopes[0], newScope ];
+
+        // TODO set params.
+
+        this.circuit.templates[template](this);
+        this.scopes = oldScope;
+        this.currentComponent = oldComponent;
+    }
+
+    callFunction(functionName, params) {
+
+        const newScope = {};
+        for (let p=0; p<this.circuit.functionParams[functionName].length; p++) {
+            const paramName = this.circuit.functionParams[functionName][p];
+            newScope[paramName] = params[p];
+        }
+
+        const oldScope = this.scopes;
+        this.scopes = [ this.scopes[0], newScope ];
+
+        // TODO set params.
+
+        const res = this.circuit.functions[functionName](this);
+        this.scopes = oldScope;
+
+        return res;
+    }
+
+    setSignalFullName(fullName, value) {
+        console.log("set " + fullName + " <-- " + value.toString());
+        const sId = this.circuit.signals[fullName].id;
+        let firstInit =false;
+        if (!this.witness[sId]) {
+            firstInit = true;
+        }
+        this.witness[sId] = value;
+        const callComponents = [];
+        for (let i=0; i<this.circuit.witnessNames[sId].length; i++) {
+            const ss = this.circuit.witnessNames[sId][i];
+            if (this.circuit.signals[ss].direction == "IN") {
+                if (firstInit) this.notInitSignals[ this.circuit.signals[ss].component] --;
+                callComponents.push(this.circuit.signals[ss].component);
+            }
+        }
+        for (let i in callComponents) {
+            const c= callComponents[i];
+            if (this.notInitSignals[c] == 0) this.triggerComponent(c);
+        }
+        return value;
+    }
+
+    setVar(name, sels, value) {
+        function setVarArray(a, sels2, value) {
+            if (sels2.length == 1) {
+                a[sels2[0]] = value;
+            } else {
+                if (typeof(a[sels2[0]]) == "undefined") a[sels2[0]] = [];
+                setVarArray(a[sels2[0]], sels2.slice(1), value);
+            }
+        }
+        const scope = this.scopes[this.scopes.length-1];
+        if (sels.length == 0) {
+            scope[name] = value;
+        } else {
+            if (typeof(scope[name]) == "undefined") scope[name] = [];
+            setVarArray(scope[name], sels, value);
+        }
+        return value;
+    }
+
+    getVar(name, sels) {
+        function select(a, sels2) {
+            return  (sels2.length == 0) ? a : select(a[sels2[0]], sels2.slice(1));
+        }
+        for (let i=this.scopes.length-1; i>=0; i--) {
+            if (typeof(this.scopes[i][name]) != "undefined") return select(this.scopes[i][name], sels);
+        }
+        throw new Error("Variable not defined: " + name);
+    }
+
+    getSignal(name, sels) {
+        let fullName = name=="one" ? "one" : this.currentComponent + "." + name;
+        fullName += this._sels2str(sels);
+        return this.getSignalFullName(fullName);
+    }
+
+
+    getPin(componentName, componentSels, signalName, signalSels) {
+        let fullName = componentName=="one" ? "one" : this.currentComponent + "." + componentName;
+        fullName += this._sels2str(componentSels) +
+                    "."+
+                    signalName+
+                    this._sels2str(signalSels);
+        return this.getSignalFullName(fullName);
+    }
+
+    getSignalFullName(fullName) {
+        const sId = this.circuit.signals[fullName].id;
+        if (typeof(this.witness[sId]) == "undefined") {
+            throw new Error("Signal not initialized: "+fullName);
+        }
+        console.log("get --->" + fullName + " = " + this.witness[sId].toString() );
+        return this.witness[sId];
+    }
+
+    assert(a,b) {
+        const ba = bigInt(a);
+        const bb = bigInt(b);
+        if (!ba.equals(bb)) {
+            throw new Error("Constrain doesn't match: " + ba.toString() + " != " + bb.toString());
+        }
+    }
+
+
+}
--- a/src/circuit_generator.js
+++ b/src/circuit_generator.js
@@ -0,0 +1,156 @@
+
+const fs = require("fs");
+const path = require("path");
+const bigInt = require("big-integer");
+const __P__ = new bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617");
+const __MASK__ = new bigInt(2).pow(253).minus(1);
+const assert = require("assert");
+const gen = require("./gencode");
+const exec = require("./exec");
+const lc = require("./lcalgebra");
+
+
+const argv = require("optimist")
+    .alias("c", "circuit")
+    .alias("o", "output")
+    .alias("w", "witnes")
+    .argv;
+
+const parser = require("../jaz.js").parser;
+
+const fullFileName = path.resolve(process.cwd(), argv.circuit);
+const fullFilePath = path.dirname(fullFileName);
+
+const src = fs.readFileSync(fullFileName, "utf8");
+const ast = parser.parse(src);
+
+assert(ast.type == "BLOCK");
+
+const ctx = {
+    scopes: [{}],
+    signals: {
+        one: {
+            fullName: "one",
+            value: bigInt(1),
+            equivalence: "",
+            direction: ""
+        }
+    },
+    currentComponent: "",
+    constrains: [],
+    components: {},
+    templates: {},
+    functions: {},
+    functionParams: {},
+    filePath: fullFilePath,
+    fileName: fullFileName
+};
+
+exec(ctx, ast);
+
+reduceConstrains(ctx);
+generateWitnessNames(ctx);
+generateWitnessConstrains(ctx);
+
+if (ctx.error) {
+    console.log(`ERROR at ${ctx.error.errFile}:${ctx.error.pos.first_line},${ctx.error.pos.first_column}-${ctx.error.pos.last_line},${ctx.error.pos.last_column}   ${ctx.error.errStr}`);
+    console.log(JSON.stringify(ctx.error.ast, null, 1));
+    process.exit(1);
+}
+
+/*
+console.log("SIGNALS");
+console.log("==========");
+for (let key in ctx.signals) {
+    const signal = ctx.signals[key];
+    console.log(signal.fullName);
+}
+
+console.log("CONSTRAINS");
+console.log("==========");
+for (let i=0; i<ctx.constrains.length; i++) {
+    console.log(lc.toString(ctx.constrains[i], ctx) + " === 0");
+}
+*/
+ctx.scopes = [{}];
+
+const mainCode = gen(ctx,ast);
+if (ctx.error) {
+    console.log(`ERROR at ${ctx.error.pos.first_line},${ctx.error.pos.first_column}-${ctx.error.pos.last_line},${ctx.error.pos.last_column}   ${ctx.error.errStr}`);
+    console.log(JSON.stringify(ctx.error.ast, null, 1));
+    process.exit(1);
+}
+
+
+let outCode = "";
+outCode += "const bigInt = require(\"big-integer\");\n";
+outCode += "const __P__ = new bigInt(\"21888242871839275222246405745257275088696311157297823662689037894645226208583\");\n";
+outCode += "const __MASK__ = new bigInt(2).pow(253).minus(1);\n";
+outCode += "const circuit = {};\n";
+outCode += "module.exports = circuit;\n\n";
+outCode += `circuit.signals=${JSON.stringify(ctx.signals, null, 1)};\n\n`;
+outCode += `circuit.components=${JSON.stringify(ctx.components, null, 1)};\n\n`;
+outCode += `circuit.signalConstrains=${JSON.stringify(ctx.constrains, null, 1)};\n\n`;
+outCode += `circuit.witnessNames=${JSON.stringify(ctx.witnessNames, null, 1)};\n\n`;
+outCode += mainCode;
+outCode += "\ncircuit.templates = {};\n";
+for (let t in ctx.templates) {
+    outCode += `\ncircuit.templates["${t}"] = ${ctx.templates[t]};\n`;
+}
+outCode += `circuit.functionParams=${JSON.stringify(ctx.functionParams, null, 1)};\n\n`;
+outCode += "\ncircuit.functions = {};\n";
+for (let f in ctx.functions) {
+    outCode += `\ncircuit.functions["${f}"] = ${ctx.functions[f]};\n`;
+}
+
+/*
+console.log("CODE");
+console.log("====");
+console.log(outCode);
+*/
+
+
+console.log("#Constrains:" +ctx.constrains.length);
+
+fs.writeFileSync(argv.output, outCode, "utf8");
+
+function generateWitnessNames(ctx) {
+    ctx.witnessNames = [];
+    for (let c in ctx.components) {
+        ctx.components[c].inputSignals = 0;
+    }
+    for (let s in ctx.signals) {
+        const signal = ctx.signals[s];
+        let lSignal = signal;
+        while (lSignal.equivalence) {
+            lSignal = ctx.signals[lSignal.equivalence];
+        }
+        if ( typeof(lSignal.id) === "undefined" ) {
+            lSignal.id = ctx.witnessNames.length;
+            ctx.witnessNames.push([]);
+        }
+        if (signal.direction == "IN") {
+            ctx.components[signal.component].inputSignals++;
+        }
+
+        signal.id = lSignal.id;
+        ctx.witnessNames[signal.id].push(signal.fullName);
+    }
+}
+
+function reduceConstrains(ctx) {
+    const newConstrains = [];
+    for (let i=0; i<ctx.constrains.length; i++) {
+        const c = lc.canonize(ctx, ctx.constrains[i]);
+        if (!lc.isZero(c)) {
+            newConstrains.push(c);
+        }
+    }
+    ctx.constrains = newConstrains;
+}
+
+function generateWitnessConstrains(ctx) {
+
+}
+
+
--- a/src/exec.js
+++ b/src/exec.js
@@ -0,0 +1,874 @@
+const path = require("path");
+const fs = require("fs");
+
+const bigInt = require("big-integer");
+const __P__ = new bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617");
+const __MASK__ = new bigInt(2).pow(253).minus(1);
+
+const lc = require("./lcalgebra");
+const parser = require("../jaz.js").parser;
+
+/* TODO: Add lines information
+
+function setLines(dst, first, last) {
+    last = last || first;
+    dst.first_line = first.first_line;
+    dst.first_column = first.first_column;
+    dst.last_line = last.last_line;
+    dst.last_column = last.last_column;
+}
+*/
+
+module.exports = exec;
+
+
+function exec(ctx, ast) {
+    if (!ast) {
+        return error(ctx, ast, "Null AST");
+    }
+    if ((ast.type == "NUMBER") || (ast.type == "LINEARCOMBINATION") || (ast.type =="SIGNAL") || (ast.type == "QEQ")) {
+        return ast;
+    } else if (ast.type == "VARIABLE") {
+        return execVariable(ctx, ast);
+    } else if (ast.type == "PIN") {
+        return execPin(ctx, ast);
+    } else if (ast.type == "OP") {
+        if (ast.op == "=") {
+            return execVarAssignement(ctx, ast);
+        } else if (ast.op == "<--") {
+            return execSignalAssign(ctx, ast);
+        } else if (ast.op == "<==") {
+            return execSignalAssignConstrain(ctx, ast);
+        } else if (ast.op == "===") {
+            return execConstrain(ctx, ast);
+        } else if (ast.op == "+=") {
+            return execVarAddAssignement(ctx, ast);
+        } else if (ast.op == "*=") {
+            return execVarMulAssignement(ctx, ast);
+        } else if (ast.op == "+") {
+            return execAdd(ctx, ast);
+        } else if (ast.op == "-") {
+            return execSub(ctx, ast);
+        } else if (ast.op == "UMINUS") {
+            return execUMinus(ctx, ast);
+        } else if (ast.op == "*") {
+            return execMul(ctx, ast);
+        } else if (ast.op == "PLUSPLUSRIGHT") {
+            return execPlusPlusRight(ctx, ast);
+        } else if (ast.op == "PLUSPLUSLEFT") {
+            return execPlusPlusLeft(ctx, ast);
+        } else if (ast.op == "**") {
+            return execExp(ctx, ast);
+        } else if (ast.op == "&") {
+            return execBAnd(ctx, ast);
+        } else if (ast.op == "<<") {
+            return execShl(ctx, ast);
+        } else if (ast.op == ">>") {
+            return execShr(ctx, ast);
+        } else if (ast.op == "<") {
+            return execLt(ctx, ast);
+        } else if (ast.op == "==") {
+            return execEq(ctx, ast);
+        } else if (ast.op == "?") {
+            return execTerCon(ctx, ast);
+        } else {
+            error(ctx, ast, "Invalid operation: " + ast.op);
+        }
+    } else if (ast.type == "DECLARE") {
+        if (ast.declareType == "COMPONENT") {
+            return execDeclareComponent(ctx, ast);
+        } else if ((ast.declareType == "SIGNALIN")||
+                   (ast.declareType == "SIGNALOUT")||
+                   (ast.declareType == "SIGNAL")) {
+            return execDeclareSignal(ctx, ast);
+        } else if (ast.declareType == "VARIABLE") {
+            return execDeclareVariable(ctx, ast);
+        } else {
+            error(ctx, ast, "Invalid declaration: " + ast.declareType);
+        }
+    } else if (ast.type == "FUNCTIONCALL") {
+        return execFunctionCall(ctx, ast);
+    } else if (ast.type == "BLOCK") {
+        return execBlock(ctx, ast);
+    } else if (ast.type == "FOR") {
+        return execFor(ctx, ast);
+    } else if (ast.type == "WHILE") {
+        return execWhile(ctx, ast);
+    } else if (ast.type == "RETURN") {
+        return execReturn(ctx, ast);
+    } else if (ast.type == "TEMPLATEDEF") {
+        return execTemplateDef(ctx, ast);
+    } else if (ast.type == "FUNCTIONDEF") {
+        return execFunctionDef(ctx, ast);
+    } else if (ast.type == "INCLUDE") {
+        return execInclude(ctx, ast);
+    } else if (ast.type == "ARRAY") {
+        return execArray(ctx, ast);
+    } else {
+        error(ctx, ast, "Invalid AST node type: " + ast.type);
+    }
+}
+
+function error(ctx, ast, errStr) {
+    ctx.error = {
+        pos:   {
+            first_line: ast.first_line,
+            first_column: ast.first_column,
+            last_line: ast.last_line,
+            last_column: ast.last_column
+        },
+        errStr: errStr,
+        errFile: ctx.fileName,
+        ast: ast
+    };
+}
+
+function iterateSelectors(ctx, sizes, baseName, fn) {
+    if (sizes.length == 0) {
+        return fn(baseName);
+    }
+    const res = [];
+    for (let i=0; i<sizes[0]; i++) {
+        res.push(iterateSelectors(ctx, sizes.slice(1), baseName+"["+i+"]", fn));
+        if (ctx.error) return null;
+    }
+    return res;
+}
+
+function setScope(ctx, name, selectors, value) {
+    let l = getScopeLevel(ctx, name);
+    if (l==-1) l= ctx.scopes.length-1;
+
+    if (selectors.length == 0) {
+        ctx.scopes[l][name] = value;
+    } else {
+        setScopeArray(ctx.scopes[l][name], selectors);
+    }
+
+    function setScopeArray(a, sels) {
+        if (sels.length == 1) {
+            a[sels[0]] = value;
+        } else {
+            setScopeArray(a[sels[0]], sels.slice(1));
+        }
+    }
+}
+
+function getScope(ctx, name, selectors) {
+
+    const sels = [];
+    if (selectors) {
+        for (let i=0; i< selectors.length; i++) {
+            const idx = exec(ctx, selectors[i]);
+            if (ctx.error) return;
+
+            if (idx.type != "NUMBER") return error(ctx, selectors[i], "expected a number");
+            sels.push( idx.value.toJSNumber() );
+        }
+    }
+
+
+    function select(v, s) {
+        s = s || [];
+        if (s.length == 0)  return v;
+        return select(v[s[0]], s.slice(1));
+    }
+
+    for (let i=ctx.scopes.length-1; i>=0; i--) {
+        if (ctx.scopes[i][name]) return select(ctx.scopes[i][name], sels);
+    }
+    return null;
+}
+
+function getScopeLevel(ctx, name) {
+    for (let i=ctx.scopes.length-1; i>=0; i--) {
+        if (ctx.scopes[i][name]) return i;
+    }
+    return -1;
+}
+
+function execBlock(ctx,  ast) {
+    for (let i=0; i<ast.statements.length; i++) {
+        exec(ctx, ast.statements[i]);
+        if (ctx.returnValue) return;
+        if (ctx.error) return;
+    }
+}
+
+function execTemplateDef(ctx, ast) {
+    const scope = ctx.scopes[0];  // Lets put templates always in top scope.
+    //    const scope = ctx.scopes[ctx.scopes.length-1];
+    if (getScope(ctx, ast.name)) {
+        return error(ctx, ast, "Name already exists: "+ast.name);
+    }
+    scope[ast.name] = {
+        type: "TEMPLATE",
+        params: ast.params,
+        block: ast.block,
+        fileName: ctx.fileName,
+        filePath: ctx.filePath,
+        scopes: copyScope(ctx.scopes)
+    };
+}
+
+function execFunctionDef(ctx, ast) {
+    const scope = ctx.scopes[0]; // Lets put functions always in top scope.
+    //    const scope = ctx.scopes[ctx.scopes.length-1];
+    if (getScope(ctx, ast.name)) {
+        return error(ctx, ast, "Name already exists: "+ast.name);
+    }
+    ctx.functionParams[ast.name] = ast.params;
+    scope[ast.name] = {
+        type: "FUNCTION",
+        params: ast.params,
+        block: ast.block,
+        fileName: ctx.fileName,
+        filePath: ctx.filePath,
+        scopes: copyScope(ctx.scopes)
+    };
+}
+
+
+function execDeclareComponent(ctx, ast) {
+    const scope = ctx.scopes[ctx.scopes.length-1];
+
+    if (ast.name.type != "VARIABLE") return error(ctx, ast, "Invalid component name");
+    if (getScope(ctx, ast.name.name)) return error(ctx, ast, "Name already exists: "+ast.name.name);
+
+    const baseName = ctx.currentComponent ? ctx.currentComponent + "." + ast.name.name : ast.name.name;
+
+    const sizes=[];
+    for (let i=0; i< ast.name.selectors.length; i++) {
+        const size = exec(ctx, ast.name.selectors[i]);
+        if (ctx.error) return;
+
+        if (size.type != "NUMBER") return error(ctx, ast.name.selectors[i], "expected a number");
+
+        sizes.push( size.value.toJSNumber() );
+    }
+
+
+    scope[ast.name.name] = iterateSelectors(ctx, sizes, baseName, function(fullName) {
+
+        ctx.components[fullName] = "UNINSTANTIATED";
+
+        return {
+            type: "COMPONENT",
+            fullName: fullName
+        };
+    });
+
+    return {
+        type: "VARIABLE",
+        name: ast.name.name,
+        selectors: []
+    };
+}
+
+function execInstantiateComponet(ctx, vr, fn) {
+
+    if (vr.type != "VARIABLE") return error(ctx, fn, "Left hand instatiate component must be a variable");
+    if (fn.type != "FUNCTIONCALL") return error(ctx, fn, "Right type of instantiate component must be a function call");
+
+    const componentName = vr.name;
+    const templateName = fn.name;
+
+    const scopeLevel = getScopeLevel(ctx, templateName);
+    if (scopeLevel == -1) return error(ctx,fn, "Invalid Template");
+    const template = getScope(ctx, templateName);
+
+    if (template.type != "TEMPLATE") return error(ctx, fn, "Invalid Template");
+
+
+    const paramValues = [];
+    for (let i=0; i< fn.params.length; i++) {
+        const v = exec(ctx, fn.params[i]);
+        if (ctx.error) return;
+
+        if (v.type != "NUMBER") return error(ctx, fn.params[i], "expected a number");
+        paramValues.push( v.value);
+    }
+    if (template.params.length != paramValues.length) error(ctx, fn, "Invalid Number of parameters");
+
+    const vv = getScope(ctx, componentName, vr.selectors);
+
+    instantiateComponent(vv);
+
+    function instantiateComponent(varVal) {
+        if (Array.isArray(varVal)) {
+            for (let i =0; i<varVal.length; i++) {
+                instantiateComponent(varVal[i]);
+            }
+            return;
+        }
+
+        if (ctx.components[varVal.fullName] != "UNINSTANTIATED") error(ctx, fn, "Component already instantiated");
+
+        const oldComponent = ctx.currentComponent;
+        const oldFileName = ctx.fileName;
+        const oldFilePath = ctx.filePath;
+        ctx.currentComponent = varVal.fullName;
+
+        ctx.components[ctx.currentComponent] = {
+            signals: [],
+            params: {}
+        };
+
+        const oldScopes = ctx.scopes;
+
+        ctx.scopes = oldScopes.slice(0, scopeLevel+1);
+
+        const scope = {};
+        for (let i=0; i< template.params.length; i++) {
+            scope[template.params[i]] = {
+                type: "NUMBER",
+                value: paramValues[i]
+            };
+            ctx.components[ctx.currentComponent].params[template.params[i]] = paramValues[i];
+        }
+
+        ctx.components[ctx.currentComponent].template = templateName;
+        ctx.fileName = template.fileName;
+        ctx.filePath = template.filePath;
+        ctx.scopes = copyScope( template.scopes );
+        ctx.scopes.push(scope);
+
+        execBlock(ctx, template.block);
+
+        ctx.fileName = oldFileName;
+        ctx.filePath = oldFilePath;
+        ctx.currentComponent = oldComponent;
+        ctx.scopes = oldScopes;
+    }
+}
+
+function execFunctionCall(ctx, ast) {
+
+    const scopeLevel = getScopeLevel(ctx, ast.name);
+    if (scopeLevel == -1) return error(ctx, ast, "Function not defined: " + ast.name);
+    const fnc = getScope(ctx, ast.name);
+
+    if (fnc.type != "FUNCTION") return error(ctx, ast, "Not a function: " + ast.name);
+
+    const paramValues = [];
+    for (let i=0; i< ast.params.length; i++) {
+        const v = exec(ctx, ast.params[i]);
+        if (ctx.error) return;
+
+        if (v.type != "NUMBER") return error(ctx, ast.params[i], "expected a number");
+        paramValues.push( v.value);
+    }
+
+    if (ast.params.length != paramValues.length) error(ctx, ast, "Invalid Number of parameters");
+
+    const oldFileName = ctx.fileName;
+    const oldFilePath = ctx.filePath;
+
+    const oldScopes = ctx.scopes;
+
+    ctx.scopes = oldScopes.slice(0, scopeLevel+1);
+
+    const scope = {};
+    for (let i=0; i< fnc.params.length; i++) {
+        scope[fnc.params[i]] = {
+            type: "NUMBER",
+            value: paramValues[i]
+        };
+    }
+
+    ctx.fileName = fnc.fileName;
+    ctx.filePath = fnc.filePath;
+    ctx.scopes = copyScope( fnc.scopes );
+    ctx.scopes.push(scope);
+
+    execBlock(ctx, fnc.block);
+
+    const res = ctx.returnValue;
+    ctx.returnValue = null;
+
+    ctx.fileName = oldFileName;
+    ctx.filePath = oldFilePath;
+    ctx.scopes = oldScopes;
+
+    return res;
+}
+
+function execReturn(ctx, ast) {
+    ctx.returnValue = exec(ctx, ast.value);
+    return;
+}
+
+function execDeclareSignal(ctx, ast) {
+    const scope = ctx.scopes[ctx.scopes.length-1];
+
+    if (ast.name.type != "VARIABLE") return error(ctx, ast, "Invalid component name");
+    if (getScope(ctx, ast.name.name)) return error(ctx, ast, "Name already exists: "+ast.name.name);
+
+    const baseName = ctx.currentComponent ? ctx.currentComponent + "." + ast.name.name : ast.name.name;
+
+    const sizes=[];
+    for (let i=0; i< ast.name.selectors.length; i++) {
+        const size = exec(ctx, ast.name.selectors[i]);
+        if (ctx.error) return;
+
+        if (size.type != "NUMBER") return error(ctx, ast.name.selectors[i], "expected a number");
+        sizes.push( size.value.toJSNumber() );
+    }
+
+    scope[ast.name.name] = iterateSelectors(ctx, sizes, baseName, function(fullName) {
+        ctx.signals[fullName] = {
+            fullName: fullName,
+            direction: ast.declareType == "SIGNALIN" ? "IN" : (ast.declareType == "SIGNALOUT" ? "OUT" : ""),
+            component: ctx.currentComponent,
+            equivalence: "",
+            alias: [fullName]
+        };
+        ctx.components[ctx.currentComponent].signals.push(fullName);
+        return {
+            type: "SIGNAL",
+            fullName: fullName,
+        };
+    });
+    return {
+        type: "VARIABLE",
+        name: ast.name.name,
+        selectors: []
+    };
+}
+
+function execDeclareVariable(ctx, ast) {
+    const scope = ctx.scopes[ctx.scopes.length-1];
+
+    if (ast.name.type != "VARIABLE") return error(ctx, ast, "Invalid linear combination name");
+    if (getScope(ctx, ast.name.name)) return error(ctx, ast, "Name already exists: "+ast.name.name);
+
+    const sizes=[];
+    for (let i=0; i< ast.name.selectors.length; i++) {
+        const size = exec(ctx, ast.name.selectors[i]);
+        if (ctx.error) return;
+
+        if (size.type != "NUMBER") return error(ctx, ast.name.selectors[i], "expected a number");
+        sizes.push( size.value.toJSNumber() );
+    }
+
+    scope[ast.name.name] = iterateSelectors(ctx, sizes, "", function() {
+        return {
+            type: "NUMBER",
+            value: bigInt(0)
+        };
+    });
+
+    return {
+        type: "VARIABLE",
+        name: ast.name.name,
+        selectors: []
+    };
+}
+
+function execVariable(ctx, ast) {
+    const v = getScope(ctx, ast.name, ast.selectors);
+    if (ctx.error) return;
+
+    if (!v) return error(ctx, ast, "Variable not defined");
+    let res;
+    res=v;
+    return res;
+}
+
+function execPin(ctx, ast) {
+    const component = getScope(ctx, ast.component.name, ast.component.selectors);
+    if (!component) return error(ctx, ast.component, "Component does not exists: "+ast.component.name);
+    if (ctx.error) return;
+    let signalFullName = component.fullName + "." + ast.pin.name;
+    for (let i=0; i< ast.pin.selectors.length; i++) {
+        const sel = exec(ctx, ast.pin.selectors[i]);
+        if (ctx.error) return;
+
+        if (sel.type != "NUMBER") return error(ctx, ast.pin.selectors[i], "expected a number");
+
+        signalFullName += "[" + sel.value.toJSNumber() + "]";
+    }
+    if (!ctx.signals[signalFullName]) error(ctx, ast, "Signal not defined:" + signalFullName);
+    return {
+        type: "SIGNAL",
+        fullName: signalFullName
+    };
+}
+
+function execFor(ctx, ast) {
+    exec(ctx, ast.init);
+    if (ctx.error) return;
+
+    let v = exec(ctx, ast.condition);
+    if (ctx.error) return;
+
+    while ((v.value.neq(0))&&(!ctx.returnValue)) {
+        exec(ctx, ast.body);
+        if (ctx.error) return;
+
+        exec(ctx, ast.step);
+        if (ctx.error) return;
+
+        v = exec(ctx, ast.condition);
+        if (ctx.error) return;
+    }
+}
+
+function execWhile(ctx, ast) {
+    let v = exec(ctx, ast.condition);
+    if (ctx.error) return;
+
+    while ((v.value.neq(0))&&(!ctx.returnValue)) {
+        exec(ctx, ast.body);
+        if (ctx.error) return;
+
+        v = exec(ctx, ast.condition);
+        if (ctx.error) return;
+    }
+}
+
+
+function execVarAssignement(ctx, ast) {
+    let v;
+    if (ast.values[0].type == "DECLARE") {
+        v = exec(ctx, ast.values[0]);
+        if (ctx.error) return;
+    } else {
+        v = ast.values[0];
+    }
+    const num = getScope(ctx, v.name, v.selectors);
+    if (ctx.error) return;
+
+    if (typeof(num) != "object") return  error(ctx, ast, "Variable not defined");
+
+    if (num.type == "COMPONENT") return execInstantiateComponet(ctx, v, ast.values[1]);
+
+    const res = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+
+    setScope(ctx, v.name, v.selectors, res);
+
+    return v;
+}
+
+function execLt(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    if (a.type != "NUMBER") return { type: "NUMBER" };
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+    if (b.type != "NUMBER") return { type: "NUMBER" };
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    return {
+        type: "NUMBER",
+        value: a.value.lt(b.value) ? bigInt(1) : bigInt(0)
+    };
+}
+
+function execEq(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    if (a.type != "NUMBER") return { type: "NUMBER" };
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+    if (b.type != "NUMBER") return { type: "NUMBER" };
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    return {
+        type: "NUMBER",
+        value: a.value.eq(b.value) ? bigInt(1) : bigInt(0)
+    };
+}
+
+
+function execBAnd(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    if (a.type != "NUMBER") return { type: "NUMBER" };
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+    if (b.type != "NUMBER") return { type: "NUMBER" };
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    return {
+        type: "NUMBER",
+        value: a.value.and(b.value).and(__MASK__)
+    };
+}
+
+function execShl(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    if (a.type != "NUMBER") return { type: "NUMBER" };
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+    if (b.type != "NUMBER") return { type: "NUMBER" };
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    const v = b.value.greater(256) ? 256 : b.value.value;
+    return {
+        type: "NUMBER",
+        value: a.value.shiftLeft(v).and(__MASK__)
+    };
+}
+
+function execShr(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    if (a.type != "NUMBER") return { type: "NUMBER" };
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+    if (b.type != "NUMBER") return { type: "NUMBER" };
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    const v = b.value.greater(256) ? 256 : b.value.value;
+    return {
+        type: "NUMBER",
+        value: a.value.shiftRight(v).and(__MASK__)
+    };
+}
+
+function execExp(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    if (a.type != "NUMBER") return { type: "NUMBER" };
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+    if (b.type != "NUMBER") return { type: "NUMBER" };
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    return {
+        type: "NUMBER",
+        value: a.value.modPow(b.value, __P__)
+    };
+}
+
+function execAdd(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+
+    const res = lc.add(a,b);
+    if (res.type == "ERROR") return error(ctx, ast, res.errStr);
+
+    return res;
+}
+
+function execSub(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+
+    const res = lc.sub(a,b);
+    if (res.type == "ERROR") return error(ctx, ast, res.errStr);
+
+    return res;
+}
+
+function execUMinus(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+
+    const res = lc.negate(a);
+    if (res.type == "ERROR") return error(ctx, ast, res.errStr);
+
+    return res;
+}
+
+function execMul(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+
+    const res = lc.mul(a,b);
+    if (res.type == "ERROR") return error(ctx, ast, res.errStr);
+
+    return res;
+}
+
+function execVarAddAssignement(ctx, ast) {
+    const res = execAdd(ctx,{ values: [ast.values[0], ast.values[1]] } );
+    if (ctx.error) return;
+    return execVarAssignement(ctx, { values: [ast.values[0], res] });
+}
+
+function execVarMulAssignement(ctx, ast) {
+    const res = execMul(ctx,{ values: [ast.values[0], ast.values[1]] } );
+    if (ctx.error) return;
+    return execVarAssignement(ctx, { values: [ast.values[0], res] });
+}
+
+function execPlusPlusRight(ctx, ast) {
+    const resBefore = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const resAfter = execAdd(ctx,{ values: [ast.values[0], {type: "NUMBER", value: bigInt(1)}] } );
+    if (ctx.error) return;
+    execVarAssignement(ctx, { values: [ast.values[0], resAfter] });
+    return resBefore;
+}
+
+function execPlusPlusLeft(ctx, ast) {
+    if (ctx.error) return;
+    const resAfter = execAdd(ctx,{ values: [ast.values[0], {type: "NUMBER", value: bigInt(1)}] } );
+    if (ctx.error) return;
+    execVarAssignement(ctx, { values: [ast.values[0], resAfter] });
+    return resAfter;
+}
+
+function execTerCon(ctx, ast) {
+    const cond = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+
+    if (!cond.value) return { type: "NUMBER" };
+
+    if (cond.value.neq(0)) {
+        return exec(ctx, ast.values[1]);
+    } else {
+        return exec(ctx, ast.values[2]);
+    }
+}
+
+function execSignalAssign(ctx, ast) {
+    let vDest;
+    if (ast.values[0].type == "DECLARE") {
+        vDest = exec(ctx, ast.values[0]);
+        if (ctx.error) return;
+    } else {
+        vDest = ast.values[0];
+    }
+
+    let dst;
+    if (vDest.type == "VARIABLE") {
+        dst = getScope(ctx, vDest.name, vDest.selectors);
+        if (ctx.error) return;
+    } else if (vDest.type == "PIN") {
+        dst = execPin(ctx, vDest);
+        if (ctx.error) return;
+    } else {
+        error(ctx, ast, "Bad assignement");
+    }
+
+    if (!dst) return  error(ctx, ast, "Signal not defined");
+    if (dst.type != "SIGNAL") return  error(ctx, ast, "Signal assigned to a non signal");
+
+    let sDest=ctx.signals[dst.fullName];
+    if (!sDest) return error(ctx, ast, "Invalid signal: "+dst.fullName);
+    while (sDest.equivalence) sDest=ctx.signals[sDest.equivalence];
+
+    if (sDest.value) return error(ctx, ast, "Signals cannot be assigned twice");
+
+    let src = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+
+
+    /*
+    let vSrc;
+    if (ast.values[1].type == "DECLARE") {
+        vSrc = exec(ctx, ast.values[1]);
+        if (ctx.error) return;
+    } else {
+        vSrc = ast.values[1];
+    }
+
+    if (vSrc.type == "VARIABLE") {
+        src = getScope(ctx, vSrc.name, vSrc.selectors);
+        if (!src) error(ctx, ast, "Variable not defined: " + vSrc.name);
+        if (ctx.error) return;
+    } else if (vSrc.type == "PIN") {
+        src = execPin(ctx, vSrc);
+    }
+    */
+
+    let assignValue = true;
+    if (src.type == "SIGNAL") {
+        sDest.equivalence = src.fullName;
+        sDest.alias = sDest.alias.concat(src.alias);
+        while (sDest.equivalence) sDest=ctx.signals[sDest.equivalence];
+        assignValue = false;
+    }
+
+    if (assignValue) {
+        //        const resLC = exec(ctx, vSrc);
+        if (ctx.error) return;
+
+        //        const v = lc.evaluate(ctx, resLC);
+        const v = lc.evaluate(ctx, src);
+
+        if (v.value) {
+            sDest.value = v.value;
+        }
+    }
+
+    return vDest;
+}
+
+function execConstrain(ctx, ast) {
+    const a = exec(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = exec(ctx, ast.values[1]);
+    if (ctx.error) return;
+
+    const res = lc.sub(a,b);
+    if (res.type == "ERROR") return error(ctx, ast, res.errStr);
+
+    if (!lc.isZero(res)) {
+        ctx.constrains.push(lc.toQEQ(res));
+    }
+
+    return res;
+}
+
+function execSignalAssignConstrain(ctx, ast) {
+    const v = execSignalAssign(ctx,ast);
+    if (ctx.error) return;
+    execConstrain(ctx, ast);
+    if (ctx.error) return;
+    return v;
+}
+
+function execInclude(ctx, ast) {
+    const incFileName = path.resolve(ctx.filePath, ast.file);
+    const incFilePath = path.dirname(incFileName);
+
+    console.log("Include: "+incFileName);
+
+    ctx.includedFiles = ctx.includedFiles || [];
+    if (ctx.includedFiles[incFileName]) return;
+
+    ctx.includedFiles[incFileName] = true;
+
+    const src = fs.readFileSync(incFileName, "utf8");
+
+    if (!src) return error(ctx, ast, "Include file not found: "+incFileName);
+
+    const incAst = parser.parse(src);
+
+    const oldFilePath = ctx.filePath;
+    const oldFileName = ctx.fileName;
+    ctx.filePath = incFilePath;
+    ctx.fileName = incFileName;
+
+    exec(ctx, incAst);
+
+    ast.block = incAst;
+
+    ctx.filePath = oldFilePath;
+    ctx.fileName = oldFileName;
+}
+
+function execArray(ctx, ast) {
+    const res = [];
+
+    for (let i=0; i<ast.values.length; i++) {
+        res.push(exec(ctx, ast.values[i]));
+    }
+
+    return res;
+}
+
+function copyScope(scope) {
+    var scopesClone = [];
+    for (let i=0; i<scope.length; i++) {
+        scopesClone.push(scope[i]);
+    }
+    return scopesClone;
+}
+
--- a/src/gencode.js
+++ b/src/gencode.js
@@ -0,0 +1,479 @@
+const bigInt = require("big-integer");
+
+module.exports = gen;
+
+
+function ident(text) {
+    let lines = text.split("\n");
+    for (let i=0; i<lines.length; i++) {
+        if (lines[i]) lines[i] = "    "+lines[i];
+    }
+    return lines.join("\n");
+}
+
+function gen(ctx, ast) {
+    if ((ast.type == "NUMBER") ) {
+        return genNumber(ctx, ast);
+    } else if (ast.type == "VARIABLE") {
+        return genVariable(ctx, ast);
+    } else if (ast.type == "PIN") {
+        return genPin(ctx, ast);
+    } else if (ast.type == "OP") {
+        if (ast.op == "=") {
+            return genVarAssignement(ctx, ast);
+        } else if (ast.op == "<--") {
+            return genVarAssignement(ctx, ast);
+        } else if (ast.op == "<==") {
+            return genSignalAssignConstrain(ctx, ast);
+        } else if (ast.op == "===") {
+            return genConstrain(ctx, ast);
+        } else if (ast.op == "+=") {
+            return genVarAddAssignement(ctx, ast);
+        } else if (ast.op == "*=") {
+            return genVarMulAssignement(ctx, ast);
+        } else if (ast.op == "+") {
+            return genAdd(ctx, ast);
+        } else if (ast.op == "-") {
+            return genSub(ctx, ast);
+        } else if (ast.op == "UMINUS") {
+            return genUMinus(ctx, ast);
+        } else if (ast.op == "*") {
+            return genMul(ctx, ast);
+        } else if (ast.op == "PLUSPLUSRIGHT") {
+            return genPlusPlusRight(ctx, ast);
+        } else if (ast.op == "PLUSPLUSLEFT") {
+            return genPlusPlusLeft(ctx, ast);
+        } else if (ast.op == "**") {
+            return genExp(ctx, ast);
+        } else if (ast.op == "&") {
+            return genBAnd(ctx, ast);
+        } else if (ast.op == "<<") {
+            return genShl(ctx, ast);
+        } else if (ast.op == ">>") {
+            return genShr(ctx, ast);
+        } else if (ast.op == "<") {
+            return genLt(ctx, ast);
+        } else if (ast.op == "==") {
+            return genEq(ctx, ast);
+        } else if (ast.op == "?") {
+            return genTerCon(ctx, ast);
+        } else {
+            error(ctx, ast, "Invalid operation: " + ast.op);
+        }
+    } else if (ast.type == "DECLARE") {
+        if (ast.declareType == "COMPONENT") {
+            return genDeclareComponent(ctx, ast);
+        } else if ((ast.declareType == "SIGNALIN")||
+                   (ast.declareType == "SIGNALOUT")||
+                   (ast.declareType == "SIGNAL")) {
+            return genDeclareSignal(ctx, ast);
+        } else if (ast.declareType == "VARIABLE") {
+            return genDeclareVariable(ctx, ast);
+        } else {
+            error(ctx, ast, "Invalid declaration: " + ast.declareType);
+        }
+    } else if (ast.type == "FUNCTIONCALL") {
+        return genFunctionCall(ctx, ast);
+    } else if (ast.type == "BLOCK") {
+        return genBlock(ctx, ast);
+    } else if (ast.type == "FOR") {
+        return genFor(ctx, ast);
+    } else if (ast.type == "WHILE") {
+        return genWhile(ctx, ast);
+    } else if (ast.type == "RETURN") {
+        return genReturn(ctx, ast);
+    } else if (ast.type == "TEMPLATEDEF") {
+        return genTemplateDef(ctx, ast);
+    } else if (ast.type == "FUNCTIONDEF") {
+        return genFunctionDef(ctx, ast);
+    } else if (ast.type == "INCLUDE") {
+        return genInclude(ctx, ast);
+    } else if (ast.type == "ARRAY") {
+        return genArray(ctx, ast);
+    } else {
+        error(ctx, ast, "GEN -> Invalid AST node type: " + ast.type);
+    }
+}
+
+
+function error(ctx, ast, errStr) {
+    ctx.error = {
+        pos:   {
+            first_line: ast.first_line,
+            first_column: ast.first_column,
+            last_line: ast.last_line,
+            last_column: ast.last_column
+        },
+        errStr: errStr,
+        ast: ast
+    };
+}
+
+
+function getScope(ctx, name) {
+    for (let i=ctx.scopes.length-1; i>=0; i--) {
+        if (ctx.scopes[i][name]) return ctx.scopes[i][name];
+    }
+    return null;
+}
+
+
+function genFunctionCall(ctx, ast) {
+    let S = "[";
+    for (let i=0; i<ast.params.length; i++) {
+        if (i>0) S += ",";
+        S += gen(ctx, ast.params[i]);
+    }
+    S+="]";
+
+    return `ctx.callFunction("${ast.name}", ${S})`;
+}
+
+function genBlock(ctx, ast) {
+    let body = "";
+    for (let i=0; i<ast.statements.length; i++) {
+        const l = gen(ctx, ast.statements[i]);
+        if (ctx.error) return;
+        if (l) {
+            body += l;
+            if (body[body.length-1] != "\n") body += ";\n";
+        }
+    }
+    return "{\n"+ident(body)+"}\n";
+}
+
+function genTemplateDef(ctx, ast) {
+    let S = "function(ctx) ";
+
+    const newScope = {};
+    for (let i=0; i< ast.params.length; i++) {
+        newScope[ast.params[i]] = { type: "VARIABLE" };
+    }
+
+    ctx.scopes.push(newScope);
+    S += genBlock(ctx, ast.block);
+    ctx.scopes.pop();
+
+//    const scope = ctx.scopes[ctx.scopes.length-1];
+    const scope = ctx.scopes[0];  // Scope for templates is top
+
+    scope[ast.name] = {
+        type: "TEMPLATE"
+    };
+
+    ctx.templates[ast.name] = S;
+    return "";
+}
+
+function genFunctionDef(ctx, ast) {
+    let S = "function(ctx) ";
+
+    const newScope = {};
+    const params = [];
+    for (let i=0; i< ast.params.length; i++) {
+        newScope[ast.params[i]] = { type: "VARIABLE" };
+        params.push(ast.params[i]);
+    }
+
+    ctx.scopes.push(newScope);
+    S += genBlock(ctx, ast.block);
+    ctx.scopes.pop();
+
+//     const scope = ctx.scopes[0]; // Scope for templates is top
+    const scope = ctx.scopes[ctx.scopes.length-1];
+
+    scope[ast.name] = {
+        type: "FUNCTION"
+    };
+
+    ctx.functions[ast.name] = S;
+    ctx.functionParams[ast.name] = params;
+    return "";
+}
+
+function genFor(ctx, ast) {
+    const init = gen(ctx, ast.init);
+    if (ctx.error) return;
+    const condition = gen(ctx, ast.condition);
+    if (ctx.error) return;
+    const step = gen(ctx, ast.step);
+    if (ctx.error) return;
+    const body = gen(ctx, ast.body);
+    if (ctx.error) return;
+    return `for (${init};${condition};${step})\n${body}`;
+}
+
+function genWhile(ctx, ast) {
+    const condition = gen(ctx, ast.condition);
+    if (ctx.error) return;
+    const body = gen(ctx, ast.body);
+    if (ctx.error) return;
+    return `while (${condition})\n${body}`;
+}
+
+function genReturn(ctx, ast) {
+    const value = gen(ctx, ast.value);
+    if (ctx.error) return;
+    return `return ${value};`;
+}
+
+function genDeclareComponent(ctx, ast) {
+    const scope = ctx.scopes[ctx.scopes.length - 1];
+
+    if (ast.name.type != "VARIABLE") return error(ctx, ast, "Invalid component name");
+    if (getScope(ctx, ast.name.name)) return error(ctx, ast, "Name already exists: "+ast.name.name);
+
+    scope[ast.name.name] = {
+        type: "COMPONENT"
+    };
+
+    return "";
+}
+
+function genDeclareSignal(ctx, ast) {
+    const scope = ctx.scopes[ctx.scopes.length-1];
+
+    if (ast.name.type != "VARIABLE") return error(ctx, ast, "Invalid component name");
+    if (getScope(ctx, ast.name.name)) return error(ctx, ast, "Name already exists: "+ast.name.name);
+
+    scope[ast.name.name] = {
+        type: "SIGNAL"
+    };
+
+    return "";
+}
+
+function genDeclareVariable(ctx, ast) {
+    const scope = ctx.scopes[ctx.scopes.length-1];
+
+    if (ast.name.type != "VARIABLE") return error(ctx, ast, "Invalid component name");
+    if (getScope(ctx, ast.name.name)) return error(ctx, ast, "Name already exists: "+ast.name.name);
+
+    scope[ast.name.name] = {
+        type: "VARIABLE"
+    };
+
+    return "";
+}
+
+function genNumber(ctx, ast) {
+    return `"${ast.value.toString()}"`;
+}
+
+function genVariable(ctx, ast) {
+    const v = getScope(ctx, ast.name);
+
+    const sels = [];
+    for (let i=0; i<ast.selectors.length; i++) {
+        sels.push(gen(ctx, ast.selectors[i]));
+        if (ctx.error) return;
+    }
+
+
+    if (v.type == "VARIABLE") {
+        return `ctx.getVar("${ast.name}",[${sels.join(",")}])`;
+    } else if (v.type == "SIGNAL") {
+        return `ctx.getSignal("${ast.name}", [${sels.join(",")}])`;
+    } else {
+        error(ctx, ast, "Invalid Variable type");
+    }
+}
+
+function genPin(ctx, ast) {
+    let componentName = ast.component.name;
+    let componentSelectors = [];
+    for (let i=0; i<ast.component.selectors.length; i++) {
+        componentSelectors.push(gen(ctx, ast.component.selectors[i]));
+    }
+    componentSelectors = "["+ componentSelectors.join(",") + "]";
+    let pinName = ast.pin.name;
+    let pinSelectors = [];
+    for (let i=0; i<ast.pin.selectors.length; i++) {
+        pinSelectors.push(gen(ctx, ast.pin.selectors[i]));
+    }
+    pinSelectors = "["+ pinSelectors.join(",") + "]";
+    return `ctx.getPin("${componentName}", ${componentSelectors}, "${pinName}", ${pinSelectors})`;
+}
+
+function genVarAssignement(ctx, ast) {
+
+    const sels = [];
+    let vName;
+
+    if (ctx.error) return;
+
+    if (ast.values[0].type == "PIN") {
+        let componentName = ast.values[0].component.name;
+        let componentSelectors = [];
+        for (let i=0; i<ast.values[0].component.selectors.length; i++) {
+            componentSelectors.push(gen(ctx, ast.values[0].component.selectors[i]));
+        }
+        componentSelectors = "["+ componentSelectors.join(",") + "]";
+        let pinName = ast.values[0].pin.name;
+        let pinSelectors = [];
+        for (let i=0; i<ast.values[0].pin.selectors.length; i++) {
+            pinSelectors.push(gen(ctx, ast.values[0].pin.selectors[i]));
+        }
+        pinSelectors = "["+ pinSelectors.join(",") + "]";
+        const res = gen(ctx, ast.values[1]);
+        return `ctx.setPin("${componentName}", ${componentSelectors}, "${pinName}", ${pinSelectors}, ${res})`;
+    }
+
+    if (ast.values[0].type == "DECLARE") {
+        gen(ctx, ast.values[0]);
+        if (ctx.error) return;
+        vName = ast.values[0].name.name;
+    } else {
+        vName = ast.values[0].name;
+        for (let i=0; i<ast.values[0].selectors.length; i++) {
+            sels.push(gen(ctx, ast.values[0].selectors[i]));
+            if (ctx.error) return;
+        }
+    }
+
+
+    const v = getScope(ctx, vName);
+
+    // Component instantiation is already done.
+    if (v.type == "COMPONENT") return "";
+
+    const res = gen(ctx, ast.values[1]);
+    if (v.type == "VARIABLE") {
+        return `ctx.setVar("${vName}", [${sels.join(",")}], ${res})`;
+    } else if (v.type == "SIGNAL") {
+        return `ctx.setSignal("${vName}", [${sels.join(",")}], ${res})`;
+    } else {
+        return error(ctx, ast, "Assigning to invalid");
+    }
+}
+
+function genConstrain(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `ctx.assert(${a}, ${b})`;
+}
+
+function genSignalAssignConstrain(ctx, ast) {
+    return genVarAssignement(ctx, ast) + ";\n" + genConstrain(ctx, ast);
+}
+
+function genVarAddAssignement(ctx, ast) {
+    return genVarAssignement(ctx, {values: [ast.values[0], {type: "OP", op: "+", values: ast.values}]});
+}
+
+function genVarMulAssignement(ctx, ast) {
+    return genVarAssignement(ctx, {values: [ast.values[0], {type: "OP", op: "*", values: ast.values}]});
+}
+
+function genPlusPlusRight(ctx, ast) {
+    return `(${genVarAssignement(ctx, {values: [ast.values[0], {type: "OP", op: "+", values: [ast.values[0], {type: "NUMBER", value: bigInt(1)}]}]})}).add(__P__).minus(1).mod(__P__)`;
+}
+
+function genPlusPlusLeft(ctx, ast) {
+    return genVarAssignement(ctx, {values: [ast.values[0], {type: "OP", op: "+", values: [ast.values[0], {type: "NUMBER", value: bigInt(1)}]}]});
+}
+
+function genAdd(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${a}).add(${b}).mod(__P__)`;
+}
+
+function genMul(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${a}).times(${b}).mod(__P__)`;
+}
+
+function genSub(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${a}).add(__P__).minus(${b}).mod(__P__)`;
+}
+
+function genExp(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${a}).modPow(${b}, __P__)`;
+}
+
+function genBAnd(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${a}).and(${b}).and(__MASK__)`;
+}
+
+function genShl(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${b}).greater(256) ? 0 : bigInt(${a}).shiftLeft(bigInt(${b}).value).and(__MASK__)`;
+}
+
+function genShr(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${b}).greater(256) ? 0 : bigInt(${a}).shiftRight(bigInt(${b}).value).and(__MASK__)`;
+}
+
+function genLt(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${a}).lt(${b}) ? 1 : 0`;
+}
+
+function genEq(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    return `bigInt(${a}).eq(${b}) ? 1 : 0`;
+}
+
+function genUMinus(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    return `__P__.minus(bigInt(${a})).mod(__P__)`;
+}
+
+function genTerCon(ctx, ast) {
+    const a = gen(ctx, ast.values[0]);
+    if (ctx.error) return;
+    const b = gen(ctx, ast.values[1]);
+    if (ctx.error) return;
+    const c = gen(ctx, ast.values[2]);
+    if (ctx.error) return;
+    return `bigInt(${a}).neq(0) ? (${b}) : (${c})`;
+}
+
+function genInclude(ctx, ast) {
+    return ast.block ? gen(ctx, ast.block) : "";
+}
+
+function genArray(ctx, ast) {
+    let S = "[";
+    for (let i=0; i<ast.values.length; i++) {
+        if (i>0) S += ",";
+        S += gen(ctx, ast.values[i]);
+    }
+    S+="]";
+    return S;
+}
+
--- a/src/lcalgebra.js
+++ b/src/lcalgebra.js
@@ -0,0 +1,441 @@
+/*
+
+    NUMBER: a
+
+    {
+        type: "NUMBER",
+        value: bigInt(a)
+    }
+
+    LINEARCOMBINATION:  c1*s1 + c2*s2 + c3*s3
+
+    {
+        type: "LINEARCOMBINATION",
+        values: {
+            s1: bigInt(c1),
+            s2: bigInt(c2),
+            s3: bigInt(c3)
+        }
+    }
+
+
+    QEQ: a*b + c WHERE a,b,c are LINEARCOMBINATION
+    {
+        type: "QEQ"
+        a: { type: LINEARCOMBINATION, values: {...} },
+        b: { type: LINEARCOMBINATION, values: {...} },
+        c: { type: LINEARCOMBINATION, values: {...} }
+    }
+ */
+
+/*
+       NUM     LC      QEQ
+NUM     NUM     LC      QEQ
+LC      LC      LC      QEQ
+QEQ     QEQ     QEQ     ERR
+
+*       NUM     LC      QEQ
+NUM     NUM     LC      QEQ
+LC      LC      QEQ     ERR
+QEQ     QEQ     ERR     ERR
+*/
+
+const bigInt = require("big-integer");
+const __P__ = new bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617");
+
+exports.add = add;
+exports.mul = mul;
+exports.evaluate = evaluate;
+exports.negate = negate;
+exports.sub = sub;
+exports.toQEQ = toQEQ;
+exports.isZero = isZero;
+exports.toString = toString;
+exports.canonize = canonize;
+
+function signal2lc(a) {
+    let lc;
+    if (a.type == "SIGNAL") {
+        lc = {
+            type: "LINEARCOMBINATION",
+            values: {}
+        };
+        lc.values[a.fullName] = bigInt(1);
+        return lc;
+    } else {
+        return a;
+    }
+}
+
+function clone(a) {
+    const res = {};
+    res.type = a.type;
+    if (a.type == "NUMBER") {
+        res.value = bigInt(a.value);
+    } else if (a.type == "LINEARCOMBINATION") {
+        res.values = {};
+        for (let k in a.values) {
+            res.values[k] = bigInt(a.values[k]);
+        }
+    } else if (a.type == "QEQ") {
+        res.a = clone(a.a);
+        res.b = clone(a.b);
+        res.c = clone(a.c);
+    } else if (a.type == "ERROR") {
+        res.errStr = a.errStr;
+    } else {
+        res.type = "ERROR";
+        res.errStr = "Invilid type when clonning: "+a.type;
+    }
+    return res;
+}
+
+function add(_a, _b) {
+    const a = signal2lc(_a);
+    const b = signal2lc(_b);
+    if (a.type == "ERROR") return a;
+    if (b.type == "ERROR") return b;
+    if (a.type == "NUMBER") {
+        if (b.type == "NUMBER") {
+            return addNumNum(a,b);
+        } else if (b.type=="LINEARCOMBINATION") {
+            return addLCNum(b,a);
+        } else if (b.type=="QEQ") {
+            return addQEQNum(b,a);
+        } else {
+            return { type: "ERROR", errStr: "LC Add Invalid Type 2: "+b.type };
+        }
+    } else if (a.type=="LINEARCOMBINATION") {
+        if (b.type == "NUMBER") {
+            return addLCNum(a,b);
+        } else if (b.type=="LINEARCOMBINATION") {
+            return addLCLC(a,b);
+        } else if (b.type=="QEQ") {
+            return addQEQLC(b,a);
+        } else {
+            return { type: "ERROR", errStr: "LC Add Invalid Type 2: "+b.type };
+        }
+    } else if (a.type=="QEQ") {
+        if (b.type == "NUMBER") {
+            return addQEQNum(a,b);
+        } else if (b.type=="LINEARCOMBINATION") {
+            return addQEQLC(a,b);
+        } else if (b.type=="QEQ") {
+            return { type: "ERROR", errStr: "QEQ + QEQ" };
+        } else {
+            return { type: "ERROR", errStr: "LC Add Invalid Type 2: "+b.type };
+        }
+    } else {
+        return { type: "ERROR", errStr: "LC Add Invalid Type 1: "+a.type };
+    }
+}
+
+function addNumNum(a,b) {
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    return {
+        type: "NUMBER",
+        value: a.value.add(b.value).mod(__P__)
+    };
+}
+
+function addLCNum(a,b) {
+    let res = clone(a);
+    if (!b.value) {
+        return { type: "ERROR", errStr: "LinearCombination + undefined" };
+    }
+    if (b.value.isZero()) return res;
+    if (!res.values["one"]) {
+        res.values["one"]=bigInt(b.value);
+    } else {
+        res.values["one"]= res.values["one"].add(b.value).mod(__P__);
+    }
+    return res;
+}
+
+function addLCLC(a,b) {
+    let res = clone(a);
+    for (let k in b.values) {
+        if (!res.values[k]) {
+            res.values[k]=bigInt(b.values[k]);
+        } else {
+            res.values[k]= res.values[k].add(b.values[k]).mod(__P__);
+        }
+    }
+    return res;
+}
+
+function addQEQNum(a,b) {
+    let res = clone(a);
+    res.c = addLCNum(res.c, b);
+    if (res.c.type == "ERROR") return res.c;
+    return res;
+}
+
+function addQEQLC(a,b) {
+    let res = clone(a);
+    res.c = addLCLC(res.c, b);
+    if (res.c.type == "ERROR") return res.c;
+    return res;
+}
+
+function mul(_a, _b) {
+    const a = signal2lc(_a);
+    const b = signal2lc(_b);
+    if (a.type == "ERROR") return a;
+    if (b.type == "ERROR") return b;
+    if (a.type == "NUMBER") {
+        if (b.type == "NUMBER") {
+            return mulNumNum(a,b);
+        } else if (b.type=="LINEARCOMBINATION") {
+            return mulLCNum(b,a);
+        } else if (b.type=="QEQ") {
+            return mulQEQNum(b,a);
+        } else {
+            return { type: "ERROR", errStr: "LC Mul Invalid Type 2: "+b.type };
+        }
+    } else if (a.type=="LINEARCOMBINATION") {
+        if (b.type == "NUMBER") {
+            return mulLCNum(a,b);
+        } else if (b.type=="LINEARCOMBINATION") {
+            return mulLCLC(a,b);
+        } else if (b.type=="QEQ") {
+            return { type: "ERROR", errStr: "LC * QEQ" };
+        } else {
+            return { type: "ERROR", errStr: "LC Mul Invalid Type 2: "+b.type };
+        }
+    } else if (a.type=="QEQ") {
+        if (b.type == "NUMBER") {
+            return mulQEQNum(a,b);
+        } else if (b.type=="LINEARCOMBINATION") {
+            return { type: "ERROR", errStr: "QEC * LC" };
+        } else if (b.type=="QEQ") {
+            return { type: "ERROR", errStr: "QEQ * QEQ" };
+        } else {
+            return { type: "ERROR", errStr: "LC Mul Invalid Type 2: "+b.type };
+        }
+    } else {
+        return { type: "ERROR", errStr: "LC Mul Invalid Type 1: "+a.type };
+    }
+}
+
+
+function mulNumNum(a,b) {
+    if (!a.value || !b.value) return { type: "NUMBER" };
+    return {
+        type: "NUMBER",
+        value: a.value.times(b.value).mod(__P__)
+    };
+}
+
+function mulLCNum(a,b) {
+    let res = clone(a);
+    if (!b.value) {
+        return {type: "ERROR", errStr: "LinearCombination * undefined"};
+    }
+    for (let k in res.values) {
+        res.values[k] = res.values[k].times(b.value).mod(__P__);
+    }
+    return res;
+}
+
+function mulLCLC(a,b) {
+    return {
+        type: "QEQ",
+        a: clone(a),
+        b: clone(b),
+        c: { type: "LINEARCOMBINATION", values: {}}
+    };
+}
+
+function mulQEQNum(a,b) {
+    let res = {
+        type: "QEQ",
+        a: mulLCNum(a.a, b),
+        b: clone(a.b),
+        c: mulLCNum(a.c, b)
+    };
+    if (res.a.type == "ERROR") return res.a;
+    if (res.c.type == "ERROR") return res.a;
+    return res;
+}
+
+function getSignalValue(ctx, signalName) {
+    const s = ctx.signals[signalName];
+    if (s.equivalence != "") {
+        return getSignalValue(ctx, s.equivalence);
+    } else {
+        const res = {
+            type: "NUMBER"
+        };
+        if (s.value) {
+            res.value = s.value;
+        }
+        return res;
+    }
+}
+
+function evaluate(ctx, n) {
+    if (n.type == "NUMBER") {
+        return n;
+    } else if (n.type == "SIGNAL") {
+        return getSignalValue(ctx, n.fullName);
+    } else if (n.type == "LINEARCOMBINATION") {
+        const v= {
+            type: "NUMBER",
+            value: bigInt(0)
+        };
+        for (let k in n.values) {
+            const s = getSignalValue(ctx, k);
+            if (s.type != "NUMBER") return {type: "ERROR", errStr: "Invalid signal in linear Combination: " + k};
+            if (!s.value) return { type: "NUMBER" };
+            v.value = v.value.add( n.values[k].times(s.value)).mod(__P__);
+        }
+        return v;
+    } else if (n.type == "QEQ") {
+        const a = evaluate(ctx, n.a);
+        if (a.type == "ERROR") return a;
+        if (!a.value) return { type: "NUMBER" };
+        const b = evaluate(ctx, n.b);
+        if (b.type == "ERROR") return b;
+        if (!b.value) return { type: "NUMBER" };
+        const c = evaluate(ctx, n.c);
+        if (c.type == "ERROR") return c;
+        if (!c.value) return { type: "NUMBER" };
+
+        return {
+            type: "NUMBER",
+            value: (a.value.times(b.value).add(c.value)).mod(__P__)
+        };
+    } else if (n.type == "ERROR") {
+        return n;
+    } else {
+        return {type: "ERROR", errStr: "Invalid type in evaluate: "+n.type};
+    }
+}
+
+function negate(_a) {
+    const a = signal2lc(_a);
+    let res = clone(a);
+    if (res.type == "NUMBER") {
+        res.value = __P__.minus(a.value).mod(__P__);
+    } else if (res.type == "LINEARCOMBINATION") {
+        for (let k in res.values) {
+            res.values[k] = __P__.minus(res.values[k]).mod(__P__);
+        }
+    } else if (res.type == "QEQ") {
+        res.a = negate(res.a);
+        res.c = negate(res.c);
+    } else if (res.type == "ERROR") {
+        return res;
+    } else {
+        res = {type: "ERROR", errStr: "LC Negate invalid Type: "+res.type};
+    }
+    return res;
+}
+
+function sub(a, b) {
+    return add(a, negate(b));
+}
+
+function toQEQ(a) {
+    if (a.type == "NUMBER") {
+        return {
+            type: "QEQ",
+            a: {type: "LINEARCOMBINATION", values: {}},
+            b: {type: "LINEARCOMBINATION", values: {}},
+            c: {type: "LINEARCOMBINATION", values: {"one": bigInt(a.value)}}
+        };
+    } else if (a.type == "LINEARCOMBINATION") {
+        return {
+            type: "QEQ",
+            a: {type: "LINEARCOMBINATION", values: {}},
+            b: {type: "LINEARCOMBINATION", values: {}},
+            c: clone(a)
+        };
+    } else if (a.type == "QEQ") {
+        return clone(a);
+    } else if (a.type == "ERROR") {
+        return clone(a);
+    } else {
+        return {type: "ERROR", errStr: "toQEQ invalid Type: "+a.type};
+    }
+}
+
+function isZero(a) {
+    if (a.type == "NUMBER") {
+        return a.value.isZero();
+    } else if (a.type == "LINEARCOMBINATION") {
+        for (let k in a.values) {
+            if (!a.values[k].isZero()) return false;
+        }
+        return true;
+    } else if (a.type == "QEQ") {
+        return (isZero(a.a) || isZero(a.b)) && isZero(a.c);
+    } else if (a.type == "ERROR") {
+        return false;
+    } else {
+        return false;
+    }
+}
+
+function toString(a, ctx) {
+    if (a.type == "NUMBER") {
+        return a.value.toString();
+    } else if (a.type == "LINEARCOMBINATION") {
+        let S="";
+        for (let k in a.values) {
+            if (!a.values[k].isZero()) {
+                let c;
+                if (a.values[k].greater(__P__.divide(2))) {
+                    S = S + "-";
+                    c = __P__.minus(a.values[k]);
+                } else {
+                    if (S!="") S=S+" + ";
+                    c = a.values[k];
+                }
+                if (!c.equals(1)) {
+                    S = S + c.toString() + "*";
+                }
+                let sigName = k;
+                if (ctx) {
+                    while (ctx.signals[sigName].equivalence) sigName = ctx.signals[sigName].equivalence;
+                }
+                S =  S + sigName;
+            }
+        }
+        if (S=="") return "0"; else return S;
+    } else if (a.type == "QEQ") {
+        return "( "+toString(a.a, ctx)+" )  *  ( "+toString(a.b, ctx)+" ) + " + toString(a.c, ctx);
+    } else if (a.type == "ERROR") {
+        return "ERROR: "+a.errStr;
+    } else {
+        return "INVALID";
+    }
+}
+
+function canonize(ctx, a) {
+    if (a.type == "LINEARCOMBINATION") {
+        for (let k in a.values) {
+            let s = k;
+            while (ctx.signals[s].equivalence) s= ctx.signals[s].equivalence;
+            if (s != k) {
+                if (!a.values[s]) {
+                    a.values[s]=bigInt(a.values[k]);
+                } else {
+                    a.values[s]= a.values[s].add(a.values[k]).mod(__P__);
+                }
+                delete a.values[k];
+            }
+        }
+        for (let k in a.values) {
+            if (a.values[k].isZero()) delete a.values[k];
+        }
+        return a;
+    } else if (a.type == "QEQ") {
+        a.a = canonize(ctx, a.a);
+        a.b = canonize(ctx, a.b);
+        a.c = canonize(ctx, a.c);
+    }
+    return a;
+}
+
--- a/src/rt.js
+++ b/src/rt.js
@@ -0,0 +1,27 @@
+const fs = require("fs");
+const path = require("path");
+
+const calculateWitness = require("./calculateWitness.js");
+
+const argv = require("optimist")
+    .alias("i", "input")
+    .alias("o", "output")
+    .alias("c", "circuit")
+    .argv;
+
+const circuit = require(path.resolve(argv.circuit));
+
+const inputSignals = JSON.parse(fs.readFileSync(argv.input, "utf8"));
+
+try {
+    const w = calculateWitness(circuit, inputSignals);
+    fs.writeFileSync(argv.output, JSON.stringify(w), "utf8");
+} catch(err) {
+    console.log("ERROR: " + err);
+    console.log(err.stack);
+}
+
+
+
+
+
--- a/sum_test.js
+++ b/sum_test.js
--- a/sum_test.out
+++ b/sum_test.out
@@ -0,0 +1 @@
+["1","111","222","333","1","1","1","1","0","1","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","1","1","1","1","0","1","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","1","0","1","1","0","0","1","0","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0"]
--- a/test.jaz
+++ b/test.jaz
@@ -0,0 +1 @@
+a[1][2].b[3][4] <== c[5][6].d[7][8]
--- a/test/commandline.js
+++ b/test/commandline.js
@@ -0,0 +1,61 @@
+const path = require("path");
+const fs = require("fs");
+const cmd=require("node-cmd");
+const util = require("util");
+const assert = require("assert");
+
+const claimUtils = require("../src/claimUtils.js");
+
+cmd.get[util.promisify.custom] = (c) => {
+    return new Promise((resolve, reject) => {
+        cmd.get(c, (err, data, stderr) => {
+            if (err) {
+                reject(err);
+            } else {
+                resolve([data, stderr]);
+            }
+        });
+    });
+};
+
+const getAsync = util.promisify(cmd.get);
+const mkdir = util.promisify(fs.mkdir);
+const writeFile = util.promisify(fs.writeFile);
+
+describe("command line", () => {
+
+    let tmpPath;
+    before(async () => {
+        tmpPath = path.join(__dirname, "..", "tmp");
+        if (!fs.existsSync(tmpPath)) {
+            await mkdir(tmpPath, 0o744);
+        }
+        process.chdir(tmpPath);
+    });
+
+    it("Should create a tree from a claim files", async () => {
+
+        let i;
+        let claims = [];
+        for (i=0; i<100; i++) {
+            const b = Buffer.from([ i / 256, i % 256 ]);
+            claims[i] = claimUtils.buildClaim("0x01", "0x02", "0x03", b).toString("hex");
+        }
+
+        claims = claims.sort();
+        const claimsFile = path.join(tmpPath, "claims100.hex");
+        const dbFile = path.join(tmpPath, "claims100.db");
+        await writeFile(claimsFile, claims.join("\n"), "utf8");
+
+        await getAsync(`${path.join("..", "cli.js")} -d ${dbFile} add ${claimsFile}  `);
+
+        const data = await getAsync(`${path.join("..", "cli.js")} -d ${dbFile} export`);
+        let claims2 = data[0].split("\n");
+
+        claims2 = claims2.filter(function(n){ return n.length>0; });
+        claims2 = claims2.sort();
+
+        assert.equal(claims2.join("\n"), claims.join("\n"));
+
+    }).timeout(20000);
+});
--- a/test/jorge.prg
+++ b/test/jorge.prg
@@ -0,0 +1,2 @@
+1 * 2 * 3
+* 4
--- a/test/mainTest.js
+++ b/test/mainTest.js
@@ -0,0 +1,141 @@
+const assert = require("assert");
+
+const StaticMerkle = require("../src/StaticMerkle.js");
+const MemDB = require("../src/dbMem.js");
+const hash = require("../src/hashKeccak.js");
+const buffUtils = require("../src/buffUtils.js");
+const claimUtils = require("../src/claimUtils.js");
+
+describe("static merkle", () => {
+    before(async () => {
+
+    });
+
+    it("Create an empty tring of 0 levels", async () => {
+        const dbPrv0 = await MemDB();
+        const SM0 = await StaticMerkle(hash, dbPrv0, 0);
+        const empty = SM0.root;
+        assert.equal(buffUtils.toHex(empty), "0x0000000000000000000000000000000000000000000000000000000000000000");
+    });
+
+    it("create an empty", async () => {
+        const dbPrv = await MemDB();
+        const SM140 = await StaticMerkle(hash, dbPrv, 140);
+        const empty = SM140.root;
+        assert.equal(buffUtils.toHex(empty), "0x0000000000000000000000000000000000000000000000000000000000000000");
+    });
+
+    it("should add and remove a claim", async() => {
+        const dbPrv = await MemDB();
+        const SM140 = await StaticMerkle(hash, dbPrv, 140);
+        const empty = SM140.root;
+        const claim = claimUtils.buildClaim("0x01", "0x02", "0x03", "0x04");
+        await SM140.addClaim(claim);
+        assert.equal(buffUtils.toHex(SM140.root), "0xd3d9ad5e3c0b38c4e3eb411e9e3114b5ed8fb5c4bc69158329feb1a62743cda1");
+        await SM140.removeClaim(claim);
+        assert.equal(buffUtils.toHex(SM140.root), buffUtils.toHex(empty));
+
+        assert.equal(SM140.tx.inserts.length, 0);
+
+    });
+
+    it("should add two claims in different order and should be the same", async () => {
+        const dbPrv_1 = await MemDB();
+        const SM140_1 = await StaticMerkle(hash, dbPrv_1, 140);
+        const dbPrv_2 = await MemDB();
+        const SM140_2 = await StaticMerkle(hash, dbPrv_2, 140);
+        const empty = SM140_1.root;
+        const claim1 = claimUtils.buildClaim("0x01", "0x02", "0x03", "0x04");
+        const claim2 = claimUtils.buildClaim("0x01", "0x02", "0x03", "0x05");
+
+        await SM140_1.addClaim(claim1);
+        await SM140_1.addClaim(claim2);
+
+        await SM140_2.addClaim(claim2);
+        await SM140_2.addClaim(claim1);
+
+        assert.equal(buffUtils.toHex(SM140_1.root), buffUtils.toHex(SM140_2.root));
+
+        await SM140_1.removeClaim(claim1);
+        await SM140_1.removeClaim(claim2);
+        assert.equal(buffUtils.toHex(SM140_1.root), buffUtils.toHex(empty));
+
+        await SM140_2.removeClaim(claim2);
+        await SM140_2.removeClaim(claim1);
+        assert.equal(buffUtils.toHex(SM140_2.root), buffUtils.toHex(empty));
+
+    });
+
+    it("should add 10 claims and remove them in different order", async () => {
+        const dbPrv = await MemDB();
+        const SM140 = await StaticMerkle(hash, dbPrv, 140);
+        const empty = SM140.root;
+        const claims = [];
+        let i;
+        for (i=0; i<10; i++) {
+            const b = Buffer.from([ i / 256, i % 256 ]);
+            claims[i] = claimUtils.buildClaim("0x01", "0x02", "0x03", b);
+        }
+
+        for (i=0;i<claims.length; i++) {
+            await SM140.addClaim(claims[i]);
+        }
+
+        assert.equal(buffUtils.toHex(SM140.root), "0xb57c288d5c018c56610a3fb783062c9b199221734c8c5617795b57cbdbd4347f");
+
+        for (i=0;i<claims.length; i++) {
+            await SM140.removeClaim(claims[i]);
+        }
+
+        assert.equal(buffUtils.toHex(SM140.root), buffUtils.toHex(empty));
+        assert.equal(SM140.tx.inserts.length, 0);
+    });
+
+    it("Should give the same root when added a repeated claim", async () => {
+        const dbPrv = await MemDB();
+        const SM140 = await StaticMerkle(hash, dbPrv, 140);
+        const empty = SM140.root;
+        const claims = [];
+        let i;
+        for (i=0; i<100; i++) {
+            const b = Buffer.from([ i % 10 ]);
+            claims[i] = claimUtils.buildClaim("0x01", "0x02", "0x03", b);
+        }
+
+        for (i=0;i<claims.length; i++) {
+            await SM140.addClaim(claims[i]);
+        }
+
+        assert.equal(buffUtils.toHex(SM140.root), "0xb57c288d5c018c56610a3fb783062c9b199221734c8c5617795b57cbdbd4347f");
+
+        for (i=0;i<claims.length; i++) {
+            await SM140.removeClaim(claims[i]);
+        }
+
+        assert.equal(buffUtils.toHex(SM140.root), buffUtils.toHex(empty));
+        assert.equal(SM140.tx.inserts.length, 0);
+    }).timeout(20000);
+
+    it("Should create a merkle proof and verify it ok", async () => {
+        const dbPrv = await MemDB();
+        const SM140 = await StaticMerkle(hash, dbPrv, 140);
+        const empty = SM140.root;
+        const claim1 = claimUtils.buildClaim("0x01", "0x02", "0x03", "0x04");
+        const claim2 = claimUtils.buildClaim("0x01", "0x02", "0x03", "0x05");
+
+        await SM140.addClaim(claim1);
+        await SM140.addClaim(claim2);
+
+        const mp = await SM140.getMerkeProof(claim1);
+
+        assert.equal(SM140.checkClaim(SM140.root, claim1, mp), true);
+        assert.equal(SM140.checkClaim(empty, claim1, mp), false);
+        assert.equal(SM140.checkClaim(empty, claim2, mp), false);
+
+        const mp1 = await SM140.getMerkeProof(claim1);
+        assert.equal(SM140.checkClaim(SM140.root, claim1, mp1), true);
+        const mp2 = await SM140.getMerkeProof(claim2);
+        assert.equal(SM140.checkClaim(SM140.root, claim2, mp2), true);
+    });
+
+});
--- a/test/test1.jaz
+++ b/test/test1.jaz
@@ -0,0 +1,45 @@
+11+12; 13;
+14; 15;
+/* Multi Line 
+ comment */
+/*** / * /* **/
+// Single line comment /* sss */
+16; 0x1f; 0xAa;
+12; id1; A; B; A+B;
+A*B+A*B+3;
+4/2;
+4/3;
+4/3*3;
+8/2;
+0/2;
+2/1;
+8 % 5; 
+-1; +--1;
+(3+4)*(5*2);
+0xFF & 0x12;
+1 << 8;
+-1 >> 257;
+-1 << 257;
+-1 >> 256;
+-1 << 256;
+-1 >> 250;
+-1 << 250;
+33 == 33;
+33 == 34;
+3>3;
+3>=3;
+3<=3;
+3<3;
+3 && 0;
+0 && 3;
+3 && 3;
+0 && 0;
+!3;
+!0;
+!!8;
+2**3;
+(-1)**(-1);
+a[3];
+a[3][b] + b[4][c][d];
+func() + func(a) + func(a,b);
+3*4==6+6 && 2+1==3 ? 3+3*2 : (3+2)*6
--- a/test/test10.jaz
+++ b/test/test10.jaz
@@ -0,0 +1 @@
+f(1,2)
--- a/test/test11.jaz
+++ b/test/test11.jaz
@@ -0,0 +1,9 @@
+a+b*c
+(a+b)*c
+var c + a[1].b[2] + c
+f(1,2)
+component f(4) d;
+
+a++ + b++;
+
+--a;
--- a/test/test12.jaz
+++ b/test/test12.jaz
@@ -0,0 +1,5 @@
+var a;
+var b;
+var c;
+a+b*b[3+a][2];
+a<<2<=2>>a
--- a/test/test13.jaz
+++ b/test/test13.jaz
@@ -0,0 +1,3 @@
+a <== b === c
+r = a ? c ? 5 : 6 : b ? 3 : 4
+c = sqrt(a**2+b**2)
--- a/test/test14.jaz
+++ b/test/test14.jaz
@@ -0,0 +1,8 @@
+(a + bb) + c;
+include "filename.ext"
+include "secondfile"
+include "therdfile";
+include "4th file"
+{
+	include "fifthfile"
+}
--- a/test/test2.jaz
+++ b/test/test2.jaz
@@ -0,0 +1,13 @@
+{
+	3+3
+	4+4
+	5+5
+}
+6
+7
+a <-- 3
+3 --> a;
+signal input b <== 4;
+4 ==> signal b;
+c === d;
+
--- a/test/test3.jaz
+++ b/test/test3.jaz
@@ -0,0 +1,10 @@
+signal input b <== 3;
+signal o[44] <-- 2;
+a[1][2].b[3] <== 4
+function f(a,b) {
+	c=a+b;
+}
+
+component b(b1,b2) {
+	b1 <== b2[3].pin[4]
+}
--- a/test/test4.jaz
+++ b/test/test4.jaz
@@ -0,0 +1,7 @@
+if (a) b; else c;
+if (a) {
+  1
+} else {
+  2
+}
+if (1) if(0) 1; else 2;
--- a/test/test5.jaz
+++ b/test/test5.jaz
@@ -0,0 +1,4 @@
+var a=0;
+for (i=0; i<10; i=i+1) {
+  a=a+1;
+}
--- a/test/test6.jaz
+++ b/test/test6.jaz
@@ -0,0 +1,7 @@
++a;
+a++;
+b--;
+--b;
+a -- > 0;
+0 < ++ b;
+
--- a/test/test7.jaz
+++ b/test/test7.jaz
@@ -0,0 +1,11 @@
+a=3
+a+=3
+a-=3
+a*=3
+a/=3
+a%=3
+a>>=3
+a<<=3
+a&=3
+a|=3
+a^=3
--- a/test/test8.jaz
+++ b/test/test8.jaz
@@ -0,0 +1,6 @@
+while (1) {
+	a
+}
+do {
+	xx;
+} while (1)
--- a/test/test9.jaz
+++ b/test/test9.jaz
@@ -0,0 +1,9 @@
+function f() {
+	return 3;
+}
+
+function ff(a) {
+	return 4;
+}
+
+component c = s(a);
--- a/tobin.js
+++ b/tobin.js
@@ -0,0 +1,189 @@
+const bigInt = require("big-integer");
+const __P__ = new bigInt("21888242871839275222246405745257275088696311157297823662689037894645226208583");
+const __MASK__ = new bigInt(2).pow(253).minus(1);
+const circuit = {};
+module.exports = circuit;
+
+circuit.signals={
+ "one": {
+  "fullName": "one",
+  "value": "1",
+  "equivalence": "",
+  "direction": "",
+  "id": 0
+ },
+ "main.inp": {
+  "fullName": "main.inp",
+  "direction": "IN",
+  "component": "main",
+  "equivalence": "",
+  "alias": [
+   "main.inp"
+  ],
+  "id": 1
+ },
+ "main.out[0]": {
+  "fullName": "main.out[0]",
+  "direction": "OUT",
+  "component": "main",
+  "equivalence": "",
+  "alias": [
+   "main.out[0]"
+  ],
+  "id": 2
+ },
+ "main.out[1]": {
+  "fullName": "main.out[1]",
+  "direction": "OUT",
+  "component": "main",
+  "equivalence": "",
+  "alias": [
+   "main.out[1]"
+  ],
+  "id": 3
+ },
+ "main.out[2]": {
+  "fullName": "main.out[2]",
+  "direction": "OUT",
+  "component": "main",
+  "equivalence": "",
+  "alias": [
+   "main.out[2]"
+  ],
+  "id": 4
+ }
+};
+
+circuit.components={
+ "main": {
+  "signals": [
+   "main.inp",
+   "main.out[0]",
+   "main.out[1]",
+   "main.out[2]"
+  ],
+  "params": {
+   "n": "3"
+  },
+  "template": "toBin",
+  "inputSignals": 1
+ }
+};
+
+circuit.signalConstrains=[
+ {
+  "type": "QEQ",
+  "a": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.out[0]": "1"
+   }
+  },
+  "b": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.out[0]": "1",
+    "one": "21888242871839275222246405745257275088696311157297823662689037894645226208582"
+   }
+  },
+  "c": {
+   "type": "LINEARCOMBINATION",
+   "values": {}
+  }
+ },
+ {
+  "type": "QEQ",
+  "a": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.out[1]": "1"
+   }
+  },
+  "b": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.out[1]": "1",
+    "one": "21888242871839275222246405745257275088696311157297823662689037894645226208582"
+   }
+  },
+  "c": {
+   "type": "LINEARCOMBINATION",
+   "values": {}
+  }
+ },
+ {
+  "type": "QEQ",
+  "a": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.out[2]": "1"
+   }
+  },
+  "b": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.out[2]": "1",
+    "one": "21888242871839275222246405745257275088696311157297823662689037894645226208582"
+   }
+  },
+  "c": {
+   "type": "LINEARCOMBINATION",
+   "values": {}
+  }
+ },
+ {
+  "type": "QEQ",
+  "a": {
+   "type": "LINEARCOMBINATION",
+   "values": {}
+  },
+  "b": {
+   "type": "LINEARCOMBINATION",
+   "values": {}
+  },
+  "c": {
+   "type": "LINEARCOMBINATION",
+   "values": {
+    "main.out[0]": "1",
+    "main.out[1]": "2",
+    "main.out[2]": "4",
+    "main.inp": "21888242871839275222246405745257275088696311157297823662689037894645226208582"
+   }
+  }
+ }
+];
+
+circuit.witnessNames=[
+ [
+  "one"
+ ],
+ [
+  "main.inp"
+ ],
+ [
+  "main.out[0]"
+ ],
+ [
+  "main.out[1]"
+ ],
+ [
+  "main.out[2]"
+ ]
+];
+
+{
+}
+
+circuit.templates = [];
+
+circuit.templates["toBin"] = function(ctx) {
+    ctx.setVar("lc1", [], "0");
+    for (ctx.setVar("i", [], "0");bigInt(ctx.getVar("i",[])).lt(ctx.getVar("n",[])) ? 1 : 0;(ctx.setVar("i", [], bigInt(ctx.getVar("i",[])).add("1").mod(__P__))).add(__P__).minus(1).mod(__P__))
+    {
+        ctx.setSignal("out", [ctx.getVar("i",[])], bigInt(bigInt(ctx.getVar("i",[])).greater(256) ? 0 : bigInt(ctx.getSignal("inp", [])).shiftRight(bigInt(ctx.getVar("i",[])).value).and(__MASK__)).and("1").and(__MASK__));
+        ctx.assert(bigInt(bigInt(ctx.getSignal("out", [ctx.getVar("i",[])])).times(bigInt(ctx.getSignal("out", [ctx.getVar("i",[])])).add(__P__).minus("1").mod(__P__)).mod(__P__)).equals("0"));
+        ctx.setVar("lc1", [], bigInt(ctx.getVar("lc1",[])).add(bigInt(ctx.getSignal("out", [ctx.getVar("i",[])])).times(bigInt("2").modPow(ctx.getVar("i",[]), __P__)).mod(__P__)).mod(__P__));
+    }
+    ctx.assert(bigInt(ctx.getVar("lc1",[])).equals(ctx.getSignal("inp", [])));
+}
+;
--- a/tobin.w
+++ b/tobin.w
@@ -0,0 +1 @@
+["1","3","1","1","0"]
				`@@ -0,0 +1 @@`
				`["1","100","101","102","103","104","105","106","107","110","111","112","113","114","115","116","117","120","121","122","123","124","125","126","127","1","110","111","112","113","114","115","116","117","0","1","0","1","0","110","0","0","111","0","0","112","0","0","113","0","0","114","0","0","115","0","0","116","0","0","117","0"]`
				`@@ -0,0 +1 @@`
				["1","3624381080","3624381080","0","0","0","1","1","0","0","1","0","1","0","1","0","1","0","1","1","1","1","0","0","0","0","0","0","0","0","1","1","0","1","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0"]
				`@@ -0,0 +1 @@`
				`["1","111","222","333","1","1","1","1","0","1","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","1","1","1","1","0","1","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","1","0","1","1","0","0","1","0","1","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0"]`