motiejus/zig
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add unary expression

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This commit is contained in:
Andrew Kelley
2015-11-29 13:37:55 -07:00
parent 4466a4533c
commit a7555c58d9
6 changed files with 131 additions and 13 deletions
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33
src/codegen.cpp
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@@ -317,6 +317,7 @@ static void find_declarations(CodeGen *g, AstNode *node) {
case NodeTypeAddExpr:
case NodeTypeMultExpr:
case NodeTypeCastExpr:
case NodeTypeUnaryExpr:
case NodeTypePrimaryExpr:
case NodeTypeGroupedExpr:
zig_unreachable();
@@ -542,6 +543,9 @@ static void analyze_node(CodeGen *g, AstNode *node) {
case NodeTypeCastExpr:
zig_panic("TODO");
break;
case NodeTypeUnaryExpr:
zig_panic("TODO");
break;
case NodeTypePrimaryExpr:
switch (node->data.primary_expr.type) {
case PrimaryExprTypeNumber:
@@ -740,10 +744,35 @@ static LLVMValueRef gen_primary_expr(CodeGen *g, AstNode *node) {
zig_unreachable();
}
static LLVMValueRef gen_unary_expr(CodeGen *g, AstNode *node) {
assert(node->type == NodeTypeUnaryExpr);
assert(node->data.unary_expr.primary_expr);
LLVMValueRef expr = gen_expr(g, node->data.unary_expr.primary_expr);
switch (node->data.unary_expr.unary_op) {
case UnaryOpNegation:
add_debug_source_node(g, node);
return LLVMBuildNeg(g->builder, expr, "");
case UnaryOpBoolNot:
{
LLVMValueRef zero = LLVMConstNull(LLVMTypeOf(expr));
add_debug_source_node(g, node);
return LLVMBuildICmp(g->builder, LLVMIntEQ, expr, zero, "");
}
case UnaryOpBinNot:
add_debug_source_node(g, node);
return LLVMBuildNot(g->builder, expr, "");
case UnaryOpInvalid:
zig_unreachable();
}
}
static LLVMValueRef gen_cast_expr(CodeGen *g, AstNode *node) {
assert(node->type == NodeTypeCastExpr);
LLVMValueRef expr = gen_primary_expr(g, node->data.cast_expr.primary_expr);
LLVMValueRef expr = gen_expr(g, node->data.cast_expr.unary_expr);
if (!node->data.cast_expr.type)
return expr;
@@ -997,6 +1026,8 @@ static LLVMValueRef gen_expr(CodeGen *g, AstNode *node) {
return gen_bool_or_expr(g, node);
case NodeTypeReturnExpr:
return gen_return_expr(g, node);
case NodeTypeUnaryExpr:
return gen_unary_expr(g, node);
case NodeTypeRoot:
case NodeTypeRootExportDecl:
case NodeTypeFnProto: