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Implement binary operations (BinOp) support

Browse Source 
**Parser changes (parser.py):**
- Added ast.BinOp handling in _transform_expr()
- Emits: {type: "binop", left: ..., op: "Add|Sub|Mult|Div|Mod", right: ...}

**Codegen changes (llvm_codegen_signals.py):**
- Added BinOp handling in _emit_expr()
- Maps Python ops to LLVM instructions:
  - Add → add i32
  - Sub → sub i32
  - Mult → mul i32
  - Div → sdiv i32 (signed division)
  - Mod → srem i32 (signed remainder)

**Result:**
Before: count = count + 1 → store i32 0 (WRONG!)
After:  count = count + 1 → load, add i32 1, store ✓

**Still TODO:**
The counter buttons now UPDATE the signal correctly, but the display
doesn't update because f-string text nodes aren't reactive yet.
We need reactive text nodes (similar to reactive attributes).

All 55 tests passing ✓

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Aaron SinclairandClaude committed 2025-11-15 12:18:16 -08:00
1 parent 60bbad9c68
commit e1219ea0c1
7 files changed
+78 -47
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examples/textinput/TextInput.ll
+51 -47
View File
@@ -60,75 +60,79 @@ entry:
; Event handler: increment
define void @increment() {
entry:
store i32 0, i32* @signal_TextInput_count
%var0 = load i32, i32* @signal_TextInput_count
%var1 = add i32 %var0, 1
store i32 %var1, i32* @signal_TextInput_count
ret void
}
; Event handler: decrement
define void @decrement() {
entry:
store i32 0, i32* @signal_TextInput_count
%var2 = load i32, i32* @signal_TextInput_count
%var3 = sub i32 %var2, 1
store i32 %var3, i32* @signal_TextInput_count
ret void
}
; Component render function
define i32 @render_TextInput() {
entry:
%var0 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
call void @js_set_attribute(i32 %var0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i32 0, i32 0))
%var1 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i32 0, i32 0))
%var2 = call i32 @js_create_text(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i32 0, i32 0))
call void @js_append_child(i32 %var1, i32 %var2)
call void @js_append_child(i32 %var0, i32 %var1)
%var3 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
call void @js_set_attribute(i32 %var3, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.6, i32 0, i32 0))
%var4 = call i32 @js_create_text(i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str.7, i32 0, i32 0))
call void @js_append_child(i32 %var3, i32 %var4)
call void @js_append_child(i32 %var0, i32 %var3)
%var5 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
call void @js_set_attribute(i32 %var5, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.8, i32 0, i32 0))
%var6 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.9, i32 0, i32 0))
call void @js_bind_event(i32 %var6, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.11, i32 0, i32 0))
%var7 = call i32 @js_create_text(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.12, i32 0, i32 0))
call void @js_append_child(i32 %var6, i32 %var7)
%var4 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
call void @js_set_attribute(i32 %var4, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i32 0, i32 0))
%var5 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i32 0, i32 0))
%var6 = call i32 @js_create_text(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i32 0, i32 0))
call void @js_append_child(i32 %var5, i32 %var6)
%var8 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
call void @js_set_attribute(i32 %var8, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.13, i32 0, i32 0))
; TODO: Format f-string with signal count
%var9 = call i32 @js_create_text(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.14, i32 0, i32 0))
call void @js_append_child(i32 %var8, i32 %var9)
call void @js_append_child(i32 %var5, i32 %var8)
call void @js_append_child(i32 %var4, i32 %var5)
%var7 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
call void @js_set_attribute(i32 %var7, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.6, i32 0, i32 0))
%var8 = call i32 @js_create_text(i8* getelementptr inbounds ([65 x i8], [65 x i8]* @.str.7, i32 0, i32 0))
call void @js_append_child(i32 %var7, i32 %var8)
call void @js_append_child(i32 %var4, i32 %var7)
%var9 = call i32 @js_create_element(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.0, i32 0, i32 0))
call void @js_set_attribute(i32 %var9, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.8, i32 0, i32 0))
%var10 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.9, i32 0, i32 0))
call void @js_bind_event(i32 %var10, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.15, i32 0, i32 0))
%var11 = call i32 @js_create_text(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.16, i32 0, i32 0))
call void @js_bind_event(i32 %var10, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.11, i32 0, i32 0))
%var11 = call i32 @js_create_text(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.12, i32 0, i32 0))
call void @js_append_child(i32 %var10, i32 %var11)
call void @js_append_child(i32 %var5, i32 %var10)
call void @js_append_child(i32 %var0, i32 %var5)
call void @js_append_child(i32 %var9, i32 %var10)
%var12 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
call void @js_set_attribute(i32 %var12, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i32 0, i32 0))
%var13 = call i32 @js_create_text(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.18, i32 0, i32 0))
call void @js_set_attribute(i32 %var12, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.13, i32 0, i32 0))
; TODO: Format f-string with signal count
%var13 = call i32 @js_create_text(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.14, i32 0, i32 0))
call void @js_append_child(i32 %var12, i32 %var13)
call void @js_append_child(i32 %var0, i32 %var12)
%var14 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.19, i32 0, i32 0))
call void @js_set_attribute(i32 %var14, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.20, i32 0, i32 0))
%var15 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.21, i32 0, i32 0))
%var16 = call i32 @js_create_text(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.22, i32 0, i32 0))
call void @js_append_child(i32 %var15, i32 %var16)
call void @js_append_child(i32 %var9, i32 %var12)
%var14 = call i32 @js_create_element(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.9, i32 0, i32 0))
call void @js_bind_event(i32 %var14, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.15, i32 0, i32 0))
%var15 = call i32 @js_create_text(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.16, i32 0, i32 0))
call void @js_append_child(i32 %var14, i32 %var15)
%var17 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.21, i32 0, i32 0))
%var18 = call i32 @js_create_text(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.23, i32 0, i32 0))
call void @js_append_child(i32 %var17, i32 %var18)
call void @js_append_child(i32 %var14, i32 %var17)
call void @js_append_child(i32 %var9, i32 %var14)
call void @js_append_child(i32 %var4, i32 %var9)
%var16 = call i32 @js_create_element(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i32 0, i32 0))
call void @js_set_attribute(i32 %var16, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i32 0, i32 0))
%var17 = call i32 @js_create_text(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.18, i32 0, i32 0))
call void @js_append_child(i32 %var16, i32 %var17)
call void @js_append_child(i32 %var4, i32 %var16)
%var18 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.19, i32 0, i32 0))
call void @js_set_attribute(i32 %var18, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.20, i32 0, i32 0))
%var19 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.21, i32 0, i32 0))
%var20 = call i32 @js_create_text(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.24, i32 0, i32 0))
%var20 = call i32 @js_create_text(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.22, i32 0, i32 0))
call void @js_append_child(i32 %var19, i32 %var20)
call void @js_append_child(i32 %var14, i32 %var19)
call void @js_append_child(i32 %var18, i32 %var19)
%var21 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.21, i32 0, i32 0))
%var22 = call i32 @js_create_text(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.25, i32 0, i32 0))
%var22 = call i32 @js_create_text(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.23, i32 0, i32 0))
call void @js_append_child(i32 %var21, i32 %var22)
call void @js_append_child(i32 %var14, i32 %var21)
call void @js_append_child(i32 %var0, i32 %var14)
ret i32 %var0
call void @js_append_child(i32 %var18, i32 %var21)
%var23 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.21, i32 0, i32 0))
%var24 = call i32 @js_create_text(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.24, i32 0, i32 0))
call void @js_append_child(i32 %var23, i32 %var24)
call void @js_append_child(i32 %var18, i32 %var23)
%var25 = call i32 @js_create_element(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.21, i32 0, i32 0))
%var26 = call i32 @js_create_text(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.25, i32 0, i32 0))
call void @js_append_child(i32 %var25, i32 %var26)
call void @js_append_child(i32 %var18, i32 %var25)
call void @js_append_child(i32 %var4, i32 %var18)
ret i32 %var4
}
; Main entry point