Breakpoints triggering.

src/alloy/hir/function_builder.cc

@@ -119,6 +119,10 @@ void FunctionBuilder::Dump(StringBuffer* str) {
 
     Instr* i = block->instr_head;
     while (i) {
+      if (i->opcode->flags & OPCODE_FLAG_HIDE) {
+        i = i->next;
+        continue;
+      }
       if (i->opcode->num == OPCODE_COMMENT) {
         str->Append("  ; %s\n", (char*)i->src1.offset);
         i = i->next;
@@ -370,6 +374,12 @@ void FunctionBuilder::Nop() {
   i->src1.value = i->src2.value = i->src3.value = NULL;
 }
 
+void FunctionBuilder::SourceOffset(uint64_t offset) {
+  Instr* i = AppendInstr(OPCODE_SOURCE_OFFSET_info, 0);
+  i->src1.offset = offset;
+  i->src2.value = i->src3.value = NULL;
+}
+
 void FunctionBuilder::DebugBreak() {
   Instr* i = AppendInstr(OPCODE_DEBUG_BREAK_info, 0);
   i->src1.value = i->src2.value = i->src3.value = NULL;

src/alloy/hir/function_builder.h

@@ -57,6 +57,8 @@ public:
 
   void Nop();
 
+  void SourceOffset(uint64_t offset);
+
   // trace info/etc
   void DebugBreak();
   void DebugBreakTrue(Value* cond);

src/alloy/hir/opcodes.h

@@ -69,6 +69,8 @@ enum Opcode {
 
   OPCODE_NOP,
 
+  OPCODE_SOURCE_OFFSET,
+
   OPCODE_DEBUG_BREAK,
   OPCODE_DEBUG_BREAK_TRUE,
 
@@ -174,6 +176,7 @@ enum OpcodeFlags {
   OPCODE_FLAG_COMMUNATIVE = (1 << 3),
   OPCODE_FLAG_VOLATILE    = (1 << 4),
   OPCODE_FLAG_IGNORE      = (1 << 5),
+  OPCODE_FLAG_HIDE        = (1 << 6),
 };
 
 enum OpcodeSignatureType {
@@ -188,6 +191,7 @@ enum OpcodeSignatureType {
 enum OpcodeSignature {
   OPCODE_SIG_X        = (OPCODE_SIG_TYPE_X),
   OPCODE_SIG_X_L      = (OPCODE_SIG_TYPE_X) | (OPCODE_SIG_TYPE_L << 3),
+  OPCODE_SIG_X_O      = (OPCODE_SIG_TYPE_X) | (OPCODE_SIG_TYPE_O << 3),
   OPCODE_SIG_X_O_V    = (OPCODE_SIG_TYPE_X) | (OPCODE_SIG_TYPE_O << 3) | (OPCODE_SIG_TYPE_V << 6),
   OPCODE_SIG_X_S      = (OPCODE_SIG_TYPE_X) | (OPCODE_SIG_TYPE_S << 3),
   OPCODE_SIG_X_V      = (OPCODE_SIG_TYPE_X) | (OPCODE_SIG_TYPE_V << 3),

src/alloy/hir/opcodes.inl

@@ -20,6 +20,12 @@ DEFINE_OPCODE(
     OPCODE_SIG_X,
     OPCODE_FLAG_IGNORE);
 
+DEFINE_OPCODE(
+    OPCODE_SOURCE_OFFSET,
+    "source_offset",
+    OPCODE_SIG_X_O,
+    OPCODE_FLAG_IGNORE | OPCODE_FLAG_HIDE);
+
 DEFINE_OPCODE(
     OPCODE_DEBUG_BREAK,
     "debug_break",