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Phase 8.2 PoC1 Progress: WASM codegen mostly working, debugging Return instruction issue

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Co-authored-by: moe-charm <217100418+moe-charm@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2025-08-13 13:15:02 +00:00
parent 8276eeeb64
commit 3335f26812
2 changed files with 270 additions and 8 deletions
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19
src/backend/wasm/codegen.rs
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@ -34,16 +34,16 @@ impl WasmModule {
let mut wat = String::new();
wat.push_str("(module\n");
// Add memory declaration first
if !self.memory.is_empty() {
wat.push_str(&format!(" {}\n", self.memory));
}
// Add imports
// Add imports first (must come before other definitions in WASM)
for import in &self.imports {
wat.push_str(&format!(" {}\n", import));
}
// Add memory declaration
if !self.memory.is_empty() {
wat.push_str(&format!(" {}\n", self.memory));
}
// Add globals
for global in &self.globals {
wat.push_str(&format!(" {}\n", global));
@ -118,7 +118,7 @@ impl WasmCodegen {
self.next_local_index = 0;
let mut function_body = String::new();
function_body.push_str(&format!("(func ${})", name));
function_body.push_str(&format!("(func ${}", name));
// Add return type if not void
match mir_function.signature.return_type {
@ -133,7 +133,10 @@ impl WasmCodegen {
// Collect all local variables needed
let local_count = self.count_locals(&mir_function)?;
if local_count > 0 {
function_body.push_str(&format!(" (local $locals i32)"));
// Declare individual local variables for each ValueId
for i in 0..local_count {
function_body.push_str(&format!(" (local ${} i32)", i));
}
}
function_body.push('\n');