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https://github.com/ton-blockchain/ton
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[Tolk] AST-based semantic analysis, get rid of Expr
This is a huge refactoring focusing on untangling compiler internals (previously forked from FunC). The goal is to convert AST directly to Op (a kind of IR representation), doing all code analysis at AST level. Noteable changes: - AST-based semantic kernel includes: registering global symbols, scope handling and resolving local/global identifiers, lvalue/rvalue calc and check, implicit return detection, mutability analysis, pure/impure validity checks, simple constant folding - values of `const` variables are calculated NOT based on CodeBlob, but via a newly-introduced AST-based constant evaluator - AST vertices are now inherited from expression/statement/other; expression vertices have common properties (TypeExpr, lvalue/rvalue) - symbol table is rewritten completely, SymDef/SymVal no longer exist, lexer now doesn't need to register identifiers - AST vertices have references to symbols, filled at different stages of pipeline - the remaining "FunC legacy part" is almost unchanged besides Expr which was fully dropped; AST is converted to Ops (IR) directly
This commit is contained in:
tolk-vm
parent
ea0dc16163
commit
3540424aa1
71 changed files with 4270 additions and 3060 deletions
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@ -1,7 +1,6 @@
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fun unsafeGetInt<X>(any: X): int
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asm "NOP";
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@method_id(11)
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fun foo(x: int): int {
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try {
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if (x == 7) {
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@ -14,7 +13,6 @@ fun foo(x: int): int {
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}
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@inline
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@method_id(12)
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fun foo_inline(x: int): int {
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try {
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assert(!(x == 7)) throw 44;
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@ -25,7 +23,6 @@ fun foo_inline(x: int): int {
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}
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@inline_ref
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@method_id(13)
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fun foo_inlineref(x: int): int {
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try {
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if (x == 7) { throw (44, 2); }
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@ -35,26 +32,25 @@ fun foo_inlineref(x: int): int {
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}
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}
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@method_id(1)
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@method_id(101)
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fun test(x: int, y: int, z: int): int {
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y = foo(y);
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return x * 100 + y * 10 + z;
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}
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@method_id(2)
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@method_id(102)
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fun test_inline(x: int, y: int, z: int): int {
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y = foo_inline(y);
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return x * 100 + y * 10 + z;
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}
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@method_id(3)
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@method_id(103)
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fun test_inlineref(x: int, y: int, z: int): int {
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y = foo_inlineref(y);
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return x * 100 + y * 10 + z;
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}
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@inline
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@method_id(14)
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fun foo_inline_big(
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x1: int, x2: int, x3: int, x4: int, x5: int, x6: int, x7: int, x8: int, x9: int, x10: int,
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x11: int, x12: int, x13: int, x14: int, x15: int, x16: int, x17: int, x18: int, x19: int, x20: int
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@ -69,7 +65,7 @@ fun foo_inline_big(
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}
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}
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@method_id(4)
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@method_id(104)
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fun test_inline_big(x: int, y: int, z: int): int {
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y = foo_inline_big(
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y, y + 1, y + 2, y + 3, y + 4, y + 5, y + 6, y + 7, y + 8, y + 9,
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@ -77,7 +73,6 @@ fun test_inline_big(x: int, y: int, z: int): int {
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return x * 1000000 + y * 1000 + z;
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}
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@method_id(15)
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fun foo_big(
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x1: int, x2: int, x3: int, x4: int, x5: int, x6: int, x7: int, x8: int, x9: int, x10: int,
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x11: int, x12: int, x13: int, x14: int, x15: int, x16: int, x17: int, x18: int, x19: int, x20: int
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@ -92,7 +87,7 @@ fun foo_big(
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}
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}
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@method_id(5)
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@method_id(105)
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fun test_big(x: int, y: int, z: int): int {
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y = foo_big(
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y, y + 1, y + 2, y + 3, y + 4, y + 5, y + 6, y + 7, y + 8, y + 9,
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@ -100,7 +95,7 @@ fun test_big(x: int, y: int, z: int): int {
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return x * 1000000 + y * 1000 + z;
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}
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@method_id(16)
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@method_id(106)
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fun test_catch_into_same(x: int): int {
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var code = x;
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try {
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@ -112,7 +107,7 @@ fun test_catch_into_same(x: int): int {
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}
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@method_id(17)
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@method_id(107)
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fun test_catch_into_same_2(x: int): int {
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var code = x;
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try {
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@ -124,28 +119,77 @@ fun test_catch_into_same_2(x: int): int {
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return code;
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}
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global after046: int;
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// this bug existed in FunC and is fixed in v0.4.6
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fun bug_046_internal(op: int) {
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if (op == 1) {
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return;
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} else if (op == 2) {
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return;
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} else {
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throw 1;
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}
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}
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fun bug_046_called() {
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after046 = 0;
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try {
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bug_046_internal(1337);
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after046 = 1; // shouldn't be called
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} catch(n) {
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return;
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}
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return;
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}
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@method_id(108)
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fun bug_046_entrypoint() {
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bug_046_called();
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return after046;
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}
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global g_reg: int;
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@method_id(109)
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fun test109(): (int, int) {
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var l_reg = 10;
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g_reg = 10;
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try {
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// note, that regardless of assignment, an exception RESTORES them to previous (to 10)
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// it's very unexpected, but is considered to be a TVM feature, not a bug
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g_reg = 999;
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l_reg = 999;
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bug_046_internal(999); // throws
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} catch {
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}
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// returns (10,10) because of an exception, see a comment above
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return (g_reg, l_reg);
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}
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fun main() {
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}
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/**
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method_id | in | out
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@testcase | 1 | 1 2 3 | 123
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@testcase | 1 | 3 8 9 | 389
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@testcase | 1 | 3 7 9 | 329
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@testcase | 2 | 1 2 3 | 123
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@testcase | 2 | 3 8 9 | 389
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@testcase | 2 | 3 7 9 | 329
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@testcase | 3 | 1 2 3 | 123
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@testcase | 3 | 3 8 9 | 389
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@testcase | 3 | 3 7 9 | 329
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@testcase | 4 | 4 8 9 | 4350009
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@testcase | 4 | 4 7 9 | 4001009
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@testcase | 5 | 4 8 9 | 4350009
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@testcase | 5 | 4 7 9 | 4001009
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@testcase | 16 | 5 | 5
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@testcase | 16 | 20 | 44
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@testcase | 17 | 5 | 5
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@testcase | 17 | 20 | 20
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method_id | in | out
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@testcase | 101 | 1 2 3 | 123
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@testcase | 101 | 3 8 9 | 389
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@testcase | 101 | 3 7 9 | 329
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@testcase | 102 | 1 2 3 | 123
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@testcase | 102 | 3 8 9 | 389
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@testcase | 102 | 3 7 9 | 329
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@testcase | 103 | 1 2 3 | 123
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@testcase | 103 | 3 8 9 | 389
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@testcase | 103 | 3 7 9 | 329
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@testcase | 104 | 4 8 9 | 4350009
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@testcase | 104 | 4 7 9 | 4001009
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@testcase | 105 | 4 8 9 | 4350009
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@testcase | 105 | 4 7 9 | 4001009
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@testcase | 106 | 5 | 5
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@testcase | 106 | 20 | 44
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@testcase | 107 | 5 | 5
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@testcase | 107 | 20 | 20
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@testcase | 108 | | 0
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@code_hash 73240939343624734070640372352271282883450660826541545137654364443860257436623
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@code_hash 39307974281105539319288356721945232226028429128341177951717392648324358675585
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*/
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