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Add parsing of simple conditionals

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Signed-off-by: Marcel Müller <neikos@neikos.email>
This commit is contained in:
Marcel Müller 2026-03-07 11:49:40 +01:00
parent ffb5c92b89
commit 974086a877
7 changed files with 392 additions and 119 deletions
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62
src/emit/mod.rs
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@ -24,19 +24,10 @@ pub struct VariableSlot {
#[derive(Debug)]
pub enum Instruction {
AppendContent {
content: NomoInput,
},
LoadFromContextToSlot {
name: NomoInput,
slot: VariableSlot,
},
EmitFromSlot {
slot: VariableSlot,
},
PushScope {
inherit_parent: bool,
},
AppendContent { content: NomoInput },
LoadFromContextToSlot { name: NomoInput, slot: VariableSlot },
EmitFromSlot { slot: VariableSlot },
PushScope { inherit_parent: bool },
Abort,
}
@ -64,10 +55,10 @@ fn emit_ast_expr(
});
}
TemplateAstExpr::Interpolation {
prev_whitespace,
prev_whitespace_content: prev_whitespace,
wants_output,
expression,
post_whitespace,
post_whitespace_content: post_whitespace,
} => {
if let Some(ws) = prev_whitespace {
eval.push(Instruction::AppendContent {
@ -77,10 +68,7 @@ fn emit_ast_expr(
let emit_slot = machine.reserve_slot();
emit_expr(machine, eval, emit_slot, expression);
if wants_output.is_some() {
eval.push(Instruction::EmitFromSlot { slot: emit_slot });
}
eval.push(Instruction::EmitFromSlot { slot: emit_slot });
if let Some(ws) = post_whitespace {
eval.push(Instruction::AppendContent {
@ -91,6 +79,24 @@ fn emit_ast_expr(
TemplateAstExpr::Invalid { .. } | TemplateAstExpr::VariableAccess { .. } => {
eval.push(Instruction::Abort)
}
TemplateAstExpr::ConditionalChain { chain } => todo!(),
TemplateAstExpr::ElseConditional { expression } => todo!(),
TemplateAstExpr::Action {
prev_whitespace_content,
expression,
post_whitespace_content,
} => todo!(),
TemplateAstExpr::EndBlock => todo!(),
TemplateAstExpr::Block {
prev_whitespace_content,
expression,
post_whitespace_content,
} => todo!(),
TemplateAstExpr::IfConditional {
expression,
content,
end_block,
} => todo!(),
}
}
@ -111,6 +117,24 @@ fn emit_expr(
TemplateAstExpr::StaticContent { .. } | TemplateAstExpr::Interpolation { .. } => {
unreachable!("Invalid AST here")
}
TemplateAstExpr::ConditionalChain { chain } => todo!(),
TemplateAstExpr::ElseConditional { expression } => todo!(),
TemplateAstExpr::Action {
prev_whitespace_content,
expression,
post_whitespace_content,
} => todo!(),
TemplateAstExpr::EndBlock => todo!(),
TemplateAstExpr::Block {
prev_whitespace_content,
expression,
post_whitespace_content,
} => todo!(),
TemplateAstExpr::IfConditional {
expression,
content,
end_block,
} => todo!(),
}
}