motiejus/zig
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parsing assignment operators

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This commit is contained in:
Josh Wolfe
2015-12-12 19:07:29 -07:00
parent eb1542c102
commit 5cb5f5dbf6
4 changed files with 179 additions and 30 deletions
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34
src/codegen.cpp
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@@ -409,6 +409,18 @@ static LLVMValueRef gen_arithmetic_bin_op_expr(CodeGen *g, AstNode *node) {
case BinOpTypeCmpGreaterOrEq:
case BinOpTypeInvalid:
case BinOpTypeAssign:
case BinOpTypeAssignTimes:
case BinOpTypeAssignDiv:
case BinOpTypeAssignMod:
case BinOpTypeAssignPlus:
case BinOpTypeAssignMinus:
case BinOpTypeAssignBitShiftLeft:
case BinOpTypeAssignBitShiftRight:
case BinOpTypeAssignBitAnd:
case BinOpTypeAssignBitXor:
case BinOpTypeAssignBitOr:
case BinOpTypeAssignBoolAnd:
case BinOpTypeAssignBoolOr:
zig_unreachable();
}
zig_unreachable();
@@ -543,6 +555,11 @@ static LLVMValueRef gen_assign_expr(CodeGen *g, AstNode *node) {
AstNode *lhs_node = node->data.bin_op_expr.op1;
bool is_read_first = node->data.bin_op_expr.bin_op != BinOpTypeAssign;
if (is_read_first) {
zig_panic("TODO: implement modify assignment ops");
}
if (lhs_node->type == NodeTypeSymbol) {
LocalVariableTableEntry *var = find_local_variable(node->codegen_node->expr_node.block_context,
&lhs_node->data.symbol);
@@ -577,15 +594,26 @@ static LLVMValueRef gen_assign_expr(CodeGen *g, AstNode *node) {
} else {
zig_panic("bad assign target");
}
}
static LLVMValueRef gen_bin_op_expr(CodeGen *g, AstNode *node) {
switch (node->data.bin_op_expr.bin_op) {
case BinOpTypeAssign:
return gen_assign_expr(g, node);
case BinOpTypeInvalid:
zig_unreachable();
case BinOpTypeAssign:
case BinOpTypeAssignTimes:
case BinOpTypeAssignDiv:
case BinOpTypeAssignMod:
case BinOpTypeAssignPlus:
case BinOpTypeAssignMinus:
case BinOpTypeAssignBitShiftLeft:
case BinOpTypeAssignBitShiftRight:
case BinOpTypeAssignBitAnd:
case BinOpTypeAssignBitXor:
case BinOpTypeAssignBitOr:
case BinOpTypeAssignBoolAnd:
case BinOpTypeAssignBoolOr:
return gen_assign_expr(g, node);
case BinOpTypeBoolOr:
return gen_bool_or_expr(g, node);
case BinOpTypeBoolAnd: