nielsbross/Ink-Shader-Language
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if else if else if if else if else

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Niels Bross
2025-01-20 22:20:47 +01:00
parent 45ea54cf93
commit 42c5baa846
14 changed files with 220 additions and 12 deletions
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74
Codegen.jai
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@@ -37,6 +37,25 @@ Codegen_Result :: struct {
result_text : string; // @Incomplete(nb): Result for now, should likely be far more sophisticated.
}
Reserved_HLSL_Words :: string.[
"texture",
"sampler",
"matrix",
"line",
"precise",
"shared",
"triangle",
"triangleadj",
];
Reserved_MLSL_Words :: string.[
""
];
Reserved_GLSL_Words :: string.[
""
];
init_codegen_state :: (state : *Codegen_State, root : *AST_Node, checker_result : Semantic_Check_Result, output_language : Output_Language) {
state.root = root;
state.scope_stack = checker_result.scope_stack;
@@ -50,7 +69,7 @@ indent :: (state : *Codegen_State, indentation : int) {
for 1..indentation append(*state.builder, " ");
}
dx11_type_to_string :: (type_variable : Type_Variable) -> string {
hlsl_type_to_string :: (type_variable : Type_Variable) -> string {
if type_variable.type == {
case .Invalid;
return "{{invalid}}";
@@ -92,7 +111,7 @@ emit_field :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
indent(state, indentation);
print_to_builder(*state.builder, "% ", dx11_type_to_string(field));
print_to_builder(*state.builder, "% ", hlsl_type_to_string(field));
if field.struct_field_parent {
parent_tv := from_handle(state.type_variables, field.struct_field_parent.type_variable);
@@ -111,13 +130,19 @@ emit_field :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
print_to_builder(*state.builder, " : register(t%)", field.resource_index);
}
for i :0..node.children.count - 1 {
child := node.children[i];
if node.children.count == 1 {
child := node.children[0];
print_to_builder(*state.builder, " = ");
emit_node(state, child, 0);
}
if node.parent.kind == .Block {
append(*state.builder, ";");
}
for i :0..field.children.count - 1 {
child := from_handle(state.type_variables, field.children[i]);
emit_node(state, child.source_node, 0);
@@ -140,7 +165,7 @@ emit_block :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
emit_node(state, statement, indentation);
if it_index < node.children.count {
append(*state.builder, ";\n");
append(*state.builder, "\n");
}
}
}
@@ -256,7 +281,7 @@ emit_function :: (state : *Codegen_State, node : *AST_Node, indentation : int, e
if function_variable.return_type_variable {
return_variable := from_handle(state.type_variables, function_variable.return_type_variable);
print_to_builder(*state.builder, "% ", dx11_type_to_string(return_variable));
print_to_builder(*state.builder, "% ", hlsl_type_to_string(return_variable));
} else {
append(*state.builder, "void ");
}
@@ -428,6 +453,7 @@ emit_node :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
}
case .Expression_Statement; {
emit_node(state, node.children[0], indentation);
append(*state.builder, ";");
}
case .Call; {
emit_call(state, node, indentation);
@@ -436,27 +462,51 @@ emit_node :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
indent(*state.builder, indentation);
append(*state.builder, "return ");
emit_node(state, node.children[0], 0);
append(*state.builder, ";");
}
case .If; {
indent(*state.builder, indentation);
if node.parent.kind != .If {
indent(*state.builder, indentation);
}
append(*state.builder, "if ");
cond := node.children[0];
emit_node(state, cond, 0);
body := node.children[1];
emit_block(state, body, 0);
append(*state.builder, "\n");
indent(*state.builder, indentation);
append(*state.builder, "{\n");
if node.children.count == 2 {
emit_else(state, node.children[2]);
emit_block(state, body, indentation + 1);
indent(*state.builder, indentation);
append(*state.builder, "}\n");
if node.children.count == 3 {
emit_else(state, node.children[2], indentation);
}
}
}
}
emit_else :: (state : *Codegen_State, node : *AST_Node) {
emit_else :: (state : *Codegen_State, node : *AST_Node, indentation : int) {
indent(*state.builder, indentation);
append(*state.builder, "else ");
emit_node(state, node.children[0], 0);
if node.kind == .If {
emit_node(state, node, indentation);
} else if node.kind == .Block {
append(*state.builder, "\n");
indent(*state.builder, indentation);
append(*state.builder, "{\n");
emit_block(state, node, indentation + 1);
indent(*state.builder, indentation);
append(*state.builder, "}");
}
}
emit_field_list :: (state : *Codegen_State, field_list : *AST_Node, indentation : int) {