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Sorting out how bindings are added to name lookup. (#2869)

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This shifts logic so that bindings are added to name lookup only after the scope is complete, removing logic around adding/removing/re-adding names in certain scopes.

This does mean that things like a function's forward declaration will need to go through an extra hoop for name conflict checks, because under this approach a function definition does conflict checking when it adds names for the body's use. But, that seems easy to address, and better than the current hoops.
This commit is contained in:
Jon Ross-Perkins
2023-06-01 16:50:34 -07:00
committed by GitHub
parent a1a7251716
commit 39f7aae98d
76 changed files with 484 additions and 620 deletions
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toolchain/semantics/testdata/function/call/params_zero.carbon
Vendored
+7 -11
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@@ -4,9 +4,9 @@
//
// AUTOUPDATE
// CHECK:STDOUT: cross_reference_irs_size: 1
// CHECK:STDOUT: callables: [
// CHECK:STDOUT: {param_refs: block0},
// CHECK:STDOUT: {param_refs: block0},
// CHECK:STDOUT: functions: [
// CHECK:STDOUT: {name: str0, param_refs: block0, body: block0},
// CHECK:STDOUT: {name: str1, param_refs: block0, body: block2},
// CHECK:STDOUT: ]
// CHECK:STDOUT: integer_literals: [
// CHECK:STDOUT: ]
@@ -20,11 +20,9 @@
// CHECK:STDOUT: nodeEmptyTupleType,
// CHECK:STDOUT: ]
// CHECK:STDOUT: nodes: [
// CHECK:STDOUT: {kind: FunctionDeclaration, arg0: str0, arg1: callable0},
// CHECK:STDOUT: {kind: FunctionDefinition, arg0: node+0, arg1: block0},
// CHECK:STDOUT: {kind: FunctionDeclaration, arg0: str1, arg1: callable1},
// CHECK:STDOUT: {kind: Call, arg0: block0, arg1: callable0},
// CHECK:STDOUT: {kind: FunctionDefinition, arg0: node+2, arg1: block2},
// CHECK:STDOUT: {kind: FunctionDeclaration, arg0: function0},
// CHECK:STDOUT: {kind: FunctionDeclaration, arg0: function1},
// CHECK:STDOUT: {kind: Call, arg0: block0, arg1: function0},
// CHECK:STDOUT: ]
// CHECK:STDOUT: node_blocks: [
// CHECK:STDOUT: [
@@ -32,11 +30,9 @@
// CHECK:STDOUT: [
// CHECK:STDOUT: node+0,
// CHECK:STDOUT: node+1,
// CHECK:STDOUT: node+2,
// CHECK:STDOUT: node+4,
// CHECK:STDOUT: ],
// CHECK:STDOUT: [
// CHECK:STDOUT: node+3,
// CHECK:STDOUT: node+2,
// CHECK:STDOUT: ],
// CHECK:STDOUT: ]