// backendNewColor returns a new colorful error string using the following
// format:
// pkg.func (file:line): error: text
func backendNewColor(text string, skip int) error {
pc, file, line, ok := runtime.Caller(skip)
if !ok {
return errors.New(term.RedBold("error: ") + text)
}
f := runtime.FuncForPC(pc)
if f == nil {
format := term.WhiteBold("(%s:%d): ") + term.RedBold("error: ") + "%s"
return fmt.Errorf(format, path.Base(file), line, text)
}
format := term.MagentaBold("%s") + term.WhiteBold(" (%s:%d): ") + term.RedBold("error: ") + "%s"
return fmt.Errorf(format, f.Name(), path.Base(file), line, text)
}
func (pos *position) String() string {
if pos == nil {
return "<no position>"
}
filePos := fmt.Sprintf("(%s:%d):", pos.file, pos.line)
if UseColor {
// Use colors.
filePosColor := term.WhiteBold(filePos)
if pos.callee == "" {
return filePosColor
}
return fmt.Sprintf("%s %s", term.MagentaBold(pos.callee), filePosColor)
}
// No colors.
if pos.callee == "" {
return filePos
}
return fmt.Sprintf("%s %s", pos.callee, filePos)
}
"log"
"github.com/llir/llvm/ir"
"github.com/llir/llvm/ir/instruction"
irtypes "github.com/llir/llvm/ir/types"
"github.com/llir/llvm/ir/value"
"github.com/mewkiz/pkg/errutil"
"github.com/mewkiz/pkg/term"
"github.com/mewmew/uc/ast"
"github.com/mewmew/uc/sem"
)
// TODO: Remove debug output.
// dbg is a logger which prefixes debug messages with "irgen:".
var dbg = log.New(ioutil.Discard, term.WhiteBold("irgen:"), log.Lshortfile)
// A Module represents an LLVM IR module generator.
type Module struct {
// Module being generated.
*ir.Module
// info holds semantic information about the program from the type-checker.
info *sem.Info
// Maps from identifier source code position to the associated value.
idents map[int]value.Value
}
// NewModule returns a new module generator.
func NewModule(info *sem.Info) *Module {
m := ir.NewModule()
return &Module{Module: m, info: info, idents: make(map[int]value.Value)}