16 files changed, 153 insertions, 0 deletions
diff --git a/llparse-frontend/src/code/and.ts b/llparse-frontend/src/code/and.ts
new file mode 100644
index 0000000..54dc5fd
--- /dev/null
+++ b/llparse-frontend/src/code/and.ts
@@ -0,0 +1,8 @@
+import { toCacheKey } from '../utils';
+import { FieldValue } from './field-value';
+
+export class And extends FieldValue {
+  constructor(name: string, field: string, value: number) {
+    super('match', `and_${field}_${toCacheKey(value)}`, name, field, value);
+  }
+}
diff --git a/llparse-frontend/src/code/base.ts b/llparse-frontend/src/code/base.ts
new file mode 100644
index 0000000..cde4b6d
--- /dev/null
+++ b/llparse-frontend/src/code/base.ts
@@ -0,0 +1,8 @@
+export type Signature = 'match' | 'value' | 'span';
+
+export abstract class Code {
+  constructor(public readonly signature: Signature,
+              public readonly cacheKey: string,
+              public readonly name: string) {
+  }
+}
diff --git a/llparse-frontend/src/code/external.ts b/llparse-frontend/src/code/external.ts
new file mode 100644
index 0000000..f4254c1
--- /dev/null
+++ b/llparse-frontend/src/code/external.ts
@@ -0,0 +1,7 @@
+import { Code, Signature } from './base';
+
+export abstract class External extends Code {
+  constructor(signature: Signature, name: string) {
+    super(signature, 'external_' + name, name);
+  }
+}
diff --git a/llparse-frontend/src/code/field-value.ts b/llparse-frontend/src/code/field-value.ts
new file mode 100644
index 0000000..1c7c109
--- /dev/null
+++ b/llparse-frontend/src/code/field-value.ts
@@ -0,0 +1,13 @@
+import * as assert from 'assert';
+
+import { Signature } from './base';
+import { Field } from './field';
+
+export abstract class FieldValue extends Field {
+  constructor(signature: Signature, cacheKey: string, name: string,
+              field: string, public readonly value: number) {
+    super(signature, cacheKey, name, field);
+
+    assert.strictEqual(value, value | 0, 'FieldValue `value` must be integer');
+  }
+}
diff --git a/llparse-frontend/src/code/field.ts b/llparse-frontend/src/code/field.ts
new file mode 100644
index 0000000..c60b8ef
--- /dev/null
+++ b/llparse-frontend/src/code/field.ts
@@ -0,0 +1,8 @@
+import { Code, Signature } from './base';
+
+export abstract class Field extends Code {
+  constructor(signature: Signature, cacheKey: string, name: string,
+              public readonly field: string) {
+    super(signature, cacheKey, name);
+  }
+}
diff --git a/llparse-frontend/src/code/index.ts b/llparse-frontend/src/code/index.ts
new file mode 100644
index 0000000..c7d5c69
--- /dev/null
+++ b/llparse-frontend/src/code/index.ts
@@ -0,0 +1,15 @@
+export * from './and';
+export * from './base';
+export * from './external';
+export * from './field-value';
+export * from './field';
+export * from './is-equal';
+export * from './load';
+export * from './match';
+export * from './mul-add';
+export * from './or';
+export * from './span';
+export * from './store';
+export * from './test';
+export * from './update';
+export * from './value';
diff --git a/llparse-frontend/src/code/is-equal.ts b/llparse-frontend/src/code/is-equal.ts
new file mode 100644
index 0000000..16a2ee2
--- /dev/null
+++ b/llparse-frontend/src/code/is-equal.ts
@@ -0,0 +1,9 @@
+import { toCacheKey } from '../utils';
+import { FieldValue } from './field-value';
+
+export class IsEqual extends FieldValue {
+  constructor(name: string, field: string, value: number) {
+    super('match', `is_equal_${field}_${toCacheKey(value)}`, name, field,
+      value);
+  }
+}
diff --git a/llparse-frontend/src/code/load.ts b/llparse-frontend/src/code/load.ts
new file mode 100644
index 0000000..76b715a
--- /dev/null
+++ b/llparse-frontend/src/code/load.ts
@@ -0,0 +1,7 @@
+import { Field } from './field';
+
+export class Load extends Field {
+  constructor(name: string, field: string) {
+    super('match', `load_${field}`, name, field);
+  }
+}
diff --git a/llparse-frontend/src/code/match.ts b/llparse-frontend/src/code/match.ts
new file mode 100644
index 0000000..819d2af
--- /dev/null
+++ b/llparse-frontend/src/code/match.ts
@@ -0,0 +1,7 @@
+import { External } from './external';
+
+export class Match extends External {
+  constructor(name: string) {
+    super('match', name);
+  }
+}
diff --git a/llparse-frontend/src/code/mul-add.ts b/llparse-frontend/src/code/mul-add.ts
new file mode 100644
index 0000000..c99be0d
--- /dev/null
+++ b/llparse-frontend/src/code/mul-add.ts
@@ -0,0 +1,26 @@
+import { toCacheKey } from '../utils';
+import { Field } from './field';
+
+export interface IMulAddOptions {
+  readonly base: number;
+  readonly max?: number;
+  readonly signed: boolean;
+}
+
+function toOptionsKey(options: IMulAddOptions): string {
+  let res = `base_${toCacheKey(options.base)}`;
+  if (options.max !== undefined) {
+    res += `_max_${toCacheKey(options.max)}`;
+  }
+  if (options.signed !== undefined) {
+    res += `_signed_${toCacheKey(options.signed)}`;
+  }
+  return res;
+}
+
+export class MulAdd extends Field {
+  constructor(name: string, field: string,
+              public readonly options: IMulAddOptions) {
+    super('value', `mul_add_${field}_${toOptionsKey(options)}`, name, field);
+  }
+}
diff --git a/llparse-frontend/src/code/or.ts b/llparse-frontend/src/code/or.ts
new file mode 100644
index 0000000..2328a9f
--- /dev/null
+++ b/llparse-frontend/src/code/or.ts
@@ -0,0 +1,8 @@
+import { toCacheKey } from '../utils';
+import { FieldValue } from './field-value';
+
+export class Or extends FieldValue {
+  constructor(name: string, field: string, value: number) {
+    super('match', `or_${field}_${toCacheKey(value)}`, name, field, value);
+  }
+}
diff --git a/llparse-frontend/src/code/span.ts b/llparse-frontend/src/code/span.ts
new file mode 100644
index 0000000..6241e03
--- /dev/null
+++ b/llparse-frontend/src/code/span.ts
@@ -0,0 +1,7 @@
+import { External } from './external';
+
+export class Span extends External {
+  constructor(name: string) {
+    super('span', name);
+  }
+}
diff --git a/llparse-frontend/src/code/store.ts b/llparse-frontend/src/code/store.ts
new file mode 100644
index 0000000..c2cb9ea
--- /dev/null
+++ b/llparse-frontend/src/code/store.ts
@@ -0,0 +1,7 @@
+import { Field } from './field';
+
+export class Store extends Field {
+  constructor(name: string, field: string) {
+    super('value', `store_${field}`, name, field);
+  }
+}
diff --git a/llparse-frontend/src/code/test.ts b/llparse-frontend/src/code/test.ts
new file mode 100644
index 0000000..21339e9
--- /dev/null
+++ b/llparse-frontend/src/code/test.ts
@@ -0,0 +1,8 @@
+import { toCacheKey } from '../utils';
+import { FieldValue } from './field-value';
+
+export class Test extends FieldValue {
+  constructor(name: string, field: string, value: number) {
+    super('match', `test_${field}_${toCacheKey(value)}`, name, field, value);
+  }
+}
diff --git a/llparse-frontend/src/code/update.ts b/llparse-frontend/src/code/update.ts
new file mode 100644
index 0000000..5fa5eec
--- /dev/null
+++ b/llparse-frontend/src/code/update.ts
@@ -0,0 +1,8 @@
+import { toCacheKey } from '../utils';
+import { FieldValue } from './field-value';
+
+export class Update extends FieldValue {
+  constructor(name: string, field: string, value: number) {
+    super('match', `update_${field}_${toCacheKey(value)}`, name, field, value);
+  }
+}
diff --git a/llparse-frontend/src/code/value.ts b/llparse-frontend/src/code/value.ts
new file mode 100644
index 0000000..4f32ae8
--- /dev/null
+++ b/llparse-frontend/src/code/value.ts
@@ -0,0 +1,7 @@
+import { External } from './external';
+
+export class Value extends External {
+  constructor(name: string) {
+    super('value', name);
+  }
+}