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shader: Remove stmt
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1ede103ce6
commit
5ea5dfccfc
@ -1,45 +0,0 @@
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// Copyright 2020 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package shader
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import (
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"go/ast"
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"go/token"
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)
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type block struct {
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types []typ
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vars []variable
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consts []constant
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funcs []function
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stmts []stmt
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pos token.Pos
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outer *block
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}
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type stmtType int
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const (
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stmtNone stmtType = iota
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stmtAssign
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stmtBlock
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stmtReturn
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)
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type stmt struct {
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stmtType stmtType
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exprs []ast.Expr
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block *block
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}
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@ -37,10 +37,12 @@ type constant struct {
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}
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type function struct {
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name string
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args []variable
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rets []variable
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body *block
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name string
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args []variable
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rets []variable
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block *block
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ir shaderir.Func
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}
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type compileState struct {
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@ -56,6 +58,15 @@ type compileState struct {
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errs []string
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}
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type block struct {
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types []typ
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vars []variable
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consts []constant
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funcs []function
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pos token.Pos
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outer *block
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}
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type ParseError struct {
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errs []string
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}
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@ -232,7 +243,7 @@ func (cs *compileState) parseFunc(d *ast.FuncDecl, block *block) function {
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name: d.Name.Name,
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args: args,
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rets: rets,
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body: cs.parseBlock(block, d.Body),
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//body: cs.parseBlock(block, d.Body),
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}
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}
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@ -255,26 +266,26 @@ func (cs *compileState) parseBlock(outer *block, b *ast.BlockStmt) *block {
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}
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block.vars = append(block.vars, v)
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}
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for i := range l.Rhs {
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block.stmts = append(block.stmts, stmt{
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for range l.Rhs {
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/*block.stmts = append(block.stmts, stmt{
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stmtType: stmtAssign,
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exprs: []ast.Expr{l.Lhs[i], l.Rhs[i]},
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})
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})*/
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}
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case token.ASSIGN:
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// TODO: What about the statement `a,b = b,a?`
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for i := range l.Rhs {
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block.stmts = append(block.stmts, stmt{
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for range l.Rhs {
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/*block.stmts = append(block.stmts, stmt{
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stmtType: stmtAssign,
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exprs: []ast.Expr{l.Lhs[i], l.Rhs[i]},
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})
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})*/
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}
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}
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case *ast.BlockStmt:
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block.stmts = append(block.stmts, stmt{
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/*block.stmts = append(block.stmts, stmt{
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stmtType: stmtBlock,
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block: cs.parseBlock(block, l),
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})
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})*/
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case *ast.DeclStmt:
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cs.parseDecl(block, l.Decl, false)
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case *ast.ReturnStmt:
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@ -282,10 +293,10 @@ func (cs *compileState) parseBlock(outer *block, b *ast.BlockStmt) *block {
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for _, r := range l.Results {
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exprs = append(exprs, r)
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}
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block.stmts = append(block.stmts, stmt{
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/*block.stmts = append(block.stmts, stmt{
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stmtType: stmtReturn,
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exprs: exprs,
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})
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})*/
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}
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}
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