1 files changed, 55 insertions, 0 deletions
diff --git a/llparse/src/implementation/c/node/sequence.ts b/llparse/src/implementation/c/node/sequence.ts
new file mode 100644
index 0000000..73d8816
--- /dev/null
+++ b/llparse/src/implementation/c/node/sequence.ts
@@ -0,0 +1,55 @@
+import * as frontend from 'llparse-frontend';
+
+import { Compilation } from '../compilation';
+import {
+  SEQUENCE_COMPLETE, SEQUENCE_MISMATCH, SEQUENCE_PAUSE,
+} from '../constants';
+import { Node } from './base';
+
+export class Sequence extends Node<frontend.node.Sequence> {
+  public doBuild(out: string[]): void {
+    const ctx = this.compilation;
+
+    out.push('llparse_match_t match_seq;');
+    out.push('');
+
+    this.prologue(out);
+
+    const matchSequence = ctx.getMatchSequence(this.ref.transform!,
+        this.ref.select);
+
+    out.push(`match_seq = ${matchSequence}(${ctx.stateArg()}, ` +
+        `${ctx.posArg()}, ` +
+        `${ctx.endPosArg()}, ${ctx.blob(this.ref.select)}, ` +
+        `${this.ref.select.length});`);
+    out.push('p = match_seq.current;');
+
+    let tmp: string[];
+
+    out.push('switch (match_seq.status) {');
+
+    out.push(`  case ${SEQUENCE_COMPLETE}: {`);
+    tmp = [];
+    this.tailTo(tmp, {
+      noAdvance: false,
+      node: this.ref.edge!.node,
+      value: this.ref.edge!.value,
+    });
+    ctx.indent(out, tmp, '    ');
+    out.push('  }');
+
+    out.push(`  case ${SEQUENCE_PAUSE}: {`);
+    tmp = [];
+    this.pause(tmp);
+    ctx.indent(out, tmp, '    ');
+    out.push('  }');
+
+    out.push(`  case ${SEQUENCE_MISMATCH}: {`);
+    tmp = [];
+    this.tailTo(tmp, this.ref.otherwise!);
+    ctx.indent(out, tmp, '    ');
+    out.push('  }');
+
+    out.push('}');
+  }
+}