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if: int condition on stack top

This commit is contained in:
Sergey Pepyakin 2018-01-29 18:05:11 +03:00
parent 508c918522
commit 19aaba8eb8
1 changed files with 5 additions and 2 deletions
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7
src/runner.rs
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@ -369,8 +369,11 @@ impl<'a, E: Externals> Interpreter<'a, E> {
} }
fn run_if(&mut self, context: &mut FunctionContext, labels: &HashMap<usize, usize>, block_type: BlockType) -> Result<InstructionOutcome, Error> { fn run_if(&mut self, context: &mut FunctionContext, labels: &HashMap<usize, usize>, block_type: BlockType) -> Result<InstructionOutcome, Error> {
let branch = context.value_stack_mut().pop_as()?; let condition: bool = context
let block_frame_type = if branch { BlockFrameType::IfTrue } else { .value_stack_mut()
.pop_as()
.expect("Due to validation stack top should be an int");
let block_frame_type = if condition { BlockFrameType::IfTrue } else {
let else_pos = labels[&context.position]; let else_pos = labels[&context.position];
if !labels.contains_key(&else_pos) { if !labels.contains_key(&else_pos) {
context.position = else_pos; context.position = else_pos;